From 100bef3abb32463aea3419332359e16174ebbeeb Mon Sep 17 00:00:00 2001 From: Aldrik Ramaekers Date: Fri, 21 Feb 2020 15:05:20 +0100 Subject: textbox fix --- src/ui.c | 3527 +++++++++++++++++++++++++++++++------------------------------- 1 file changed, 1768 insertions(+), 1759 deletions(-) (limited to 'src') diff --git a/src/ui.c b/src/ui.c index e8e3629..d11d3a7 100644 --- a/src/ui.c +++ b/src/ui.c @@ -1,1759 +1,1768 @@ -/* -* BSD 2-Clause “Simplified” License -* Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com -* All rights reserved. -*/ - -inline void ui_begin(s32 id) -{ - global_ui_context.item_hovered = false; - global_ui_context.next_id = id * 100; - global_ui_context.layout.offset_x = 0; - global_ui_context.layout.offset_y = 0; - global_ui_context.layout.width = global_ui_context.layout.active_window->width; - global_ui_context.layout.height = global_ui_context.layout.active_window->height; - global_ui_context.layout.active_dropdown_state = 0; -} - -inline void ui_end() -{ - -} - -inline checkbox_state ui_create_checkbox(bool selected) -{ - checkbox_state state; - state.state = selected; - - return state; -} - -inline textbox_state ui_create_textbox(u16 max_len) -{ - assert(max_len > 0); - assert(max_len <= MAX_INPUT_LENGTH); - - textbox_state state; - state.max_len = max_len; - state.buffer = mem_alloc(max_len+1); - state.buffer[0] = 0; - state.state = false; - state.text_offset_x = 0; - state.history = array_create(sizeof(textbox_history_entry)); - state.future = array_create(sizeof(textbox_history_entry)); - array_reserve(&state.history, 100); - state.history.reserve_jump = 100; - array_reserve(&state.future, 100); - state.future.reserve_jump = 100; - state.selection_start_index = 0; - state.double_clicked_to_select = false; - state.double_clicked_to_select_cursor_index = 0; - state.diff = 0; - state.last_click_cursor_index = -1; - state.attempting_to_select = false; - state.deselect_on_enter = true; - state.accept_newline = false; - - return state; -} - -void ui_destroy_textbox(textbox_state *state) -{ - for (s32 i = 0; i < state->history.length; i++) - { - char **history_entry = array_at(&state->history, i); - mem_free(*history_entry); - } - array_destroy(&state->history); - array_destroy(&state->future); - - mem_free(state->buffer); -} - -inline button_state ui_create_button() -{ - button_state state; - state.state = 0; - - return state; -} - -inline scroll_state ui_create_scroll(s32 scroll) -{ - scroll_state state; - state.scroll = 0; - state.height = scroll; - state.mouse_scrolling = false; - state.in_scroll = false; - - return state; -} - -void ui_set_textbox_text(textbox_state *textbox, char *text) -{ - if (global_ui_context.current_active_textbox == textbox) - { - keyboard_set_input_text(global_ui_context.keyboard, text); - } - - textbox->diff = 0; - string_copyn(textbox->buffer, text, textbox->max_len); -} - -inline dropdown_state ui_create_dropdown() -{ - dropdown_state state; - state.state = 0; - state.selected_index = 0; - return state; -} - -void ui_set_style(u16 style) -{ - global_ui_context.style.id = style; - if (style == UI_STYLE_LIGHT) - { - global_ui_context.style.hypertext_foreground = rgb(66, 134, 244); - global_ui_context.style.hypertext_hover_foreground = rgb(221, 93, 202); - global_ui_context.style.image_outline_tint = rgb(200,200,200); - global_ui_context.style.scrollbar_handle_background = rgb(225,225,225); - global_ui_context.style.info_bar_background = rgb(225,225,225); - global_ui_context.style.error_foreground = rgb(224,79,95); - global_ui_context.style.item_hover_background = rgb(240,220,220); - global_ui_context.style.scrollbar_background = rgb(255,255,255); - global_ui_context.style.background = rgb(255,255,255); - global_ui_context.style.menu_hover_background = rgb(200,200,200); - global_ui_context.style.menu_background = rgb(225,225,225); - global_ui_context.style.widget_hover_background = rgb(200,200,200); - global_ui_context.style.widget_background = rgb(225,225,225); - global_ui_context.style.border = rgb(180,180,180); - global_ui_context.style.foreground = rgb(10, 10, 10); - global_ui_context.style.textbox_background = rgb(240,240,240); - global_ui_context.style.textbox_foreground = rgb(10,10,10); - global_ui_context.style.textbox_placeholder_foreground = rgb(80,80,80); - global_ui_context.style.textbox_active_border = rgb(66, 134, 244); - global_ui_context.style.widget_confirm_background = rgb(211, 80, 80); - global_ui_context.style.widget_confirm_hover_background = rgb(211, 53, 53); - global_ui_context.style.widget_confirm_border = rgb(130, 0, 0); - } - if (style == UI_STYLE_DARK) - { - global_ui_context.style.hypertext_foreground = rgb(66, 134, 244); - global_ui_context.style.hypertext_hover_foreground = rgb(221, 93, 202); - global_ui_context.style.scrollbar_handle_background = rgb(50,50,50); - global_ui_context.style.menu_hover_background = rgb(60,60,60); - global_ui_context.style.item_hover_background = rgb(80,60,60); - global_ui_context.style.image_outline_tint = rgb(200,200,200); - global_ui_context.style.error_foreground = rgb(224,79,95); - global_ui_context.style.scrollbar_background = rgb(80,80,80); - global_ui_context.style.widget_hover_background = rgb(50,50,50); - global_ui_context.style.widget_background = rgb(65,65,65); - global_ui_context.style.info_bar_background = rgb(65,65,65); - global_ui_context.style.menu_background = rgb(65,65,65); - global_ui_context.style.background = rgb(80, 80, 80); - global_ui_context.style.border = rgb(60,60,60); - global_ui_context.style.foreground = rgb(240,240,240); - global_ui_context.style.textbox_background = rgb(65,65,65); - global_ui_context.style.textbox_foreground = rgb(240, 240,240); - global_ui_context.style.textbox_active_border = rgb(66, 134, 244); - } -} - -static scroll_state empty_scroll; -inline void ui_create(platform_window *window, keyboard_input *keyboard, mouse_input *mouse, camera *camera, font *font_small) -{ - ui_set_style(UI_STYLE_LIGHT); - - global_ui_context.layout.layout_direction = LAYOUT_VERTICAL; - global_ui_context.layout.offset_x = 0; - global_ui_context.layout.offset_y = 0; - global_ui_context.layout.active_window = window; - global_ui_context.layout.width = global_ui_context.layout.active_window->width; - empty_scroll = ui_create_scroll(1); - global_ui_context.layout.scroll = &empty_scroll; - - global_ui_context.keyboard = keyboard; - global_ui_context.mouse = mouse; - global_ui_context.font_small = font_small; - global_ui_context.active_menus = array_create(sizeof(s32)); - global_ui_context.menu_item_count = 0; - global_ui_context.camera = camera; - - array_reserve(&global_ui_context.active_menus, 100); -} - -static void ui_pop_scissor() -{ - if (global_ui_context.layout.scroll->in_scroll) - { - s32 w = global_ui_context.layout.scroll->width; - s32 h = global_ui_context.layout.scroll->height; - s32 x = global_ui_context.layout.scroll->x; - s32 y = global_ui_context.layout.scroll->y; - - render_set_scissor(global_ui_context.layout.active_window, x,y,w,h); - } - else - { - render_reset_scissor(); - } -} - -inline void ui_block_begin(layout_direction direction) -{ - global_ui_context.layout.layout_direction = direction; - global_ui_context.layout.block_height = 0; - global_ui_context.layout.start_offset_y = global_ui_context.layout.offset_y; - global_ui_context.layout.start_offset_x = global_ui_context.layout.offset_x; - - ui_pop_scissor(); -} - -inline void ui_block_end() -{ - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - { - global_ui_context.layout.offset_y += global_ui_context.layout.block_height + WIDGET_PADDING; - } - global_ui_context.layout.offset_x = global_ui_context.layout.start_offset_x; -} - -inline void ui_set_active_window(platform_window *window) -{ - global_ui_context.layout.active_window = window; -} - -inline void ui_begin_menu_bar() -{ - s32 w = global_ui_context.layout.width; - s32 h = global_ui_context.layout.active_window->height; - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y; - - global_ui_context.layout.offset_x = 0; - global_ui_context.layout.layout_direction = LAYOUT_HORIZONTAL; - - render_rectangle(0, y, w, MENU_BAR_HEIGHT, global_ui_context.style.menu_background); - render_rectangle(0, y, w, 1, global_ui_context.style.border); - global_ui_context.layout.menu_offset_y = 0; -} - -inline bool ui_is_menu_active(u32 id) -{ - for (int i = 0; i < global_ui_context.active_menus.length; i++) - { - s32 *iid = array_at(&global_ui_context.active_menus, i); - if (*iid == id) return true; - } - return false; -} - -inline u32 ui_get_id() -{ - return global_ui_context.next_id++; -} - -inline void ui_push_separator() -{ - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y; - s32 w = global_ui_context.layout.width; - - render_rectangle(x, y, w, 1, global_ui_context.style.border); - global_ui_context.layout.offset_y += 1 + WIDGET_PADDING; -} - -void ui_push_vertical_dragbar() -{ - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x + global_ui_context.layout.width; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y - WIDGET_PADDING; - s32 h = global_ui_context.layout.height; - - render_rectangle(x, y, 2, h, global_ui_context.style.border); -} - -inline void ui_push_menu_item_separator() -{ - global_ui_context.layout.menu_offset_y += 1; -} - -static s32 ui_get_scroll() -{ - if (global_ui_context.layout.scroll->in_scroll) - { - return global_ui_context.layout.scroll->scroll; - } - - return 0; -} - -bool ui_push_color_button(char *text, bool selected, color c) -{ - bool result = false; - - s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); - s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); - s32 total_w = - BUTTON_HORIZONTAL_TEXT_PADDING + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - s32 h = BUTTON_HEIGHT; - - if (global_ui_context.layout.block_height < h) - global_ui_context.layout.block_height = h; - - color bg_color = c; - - s32 virt_top = y; - s32 virt_bottom = y + h; - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) - { - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - bg_color.r-=20; - bg_color.g-=20; - bg_color.b-=20; - - if (is_left_clicked(global_ui_context.mouse)) - { - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - result = true; - } - } - - if (selected) - { - render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); - render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 4, global_ui_context.style.border); - } - else - { - render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); - render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); - } - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; - - return result; -} - -bool ui_push_dropdown_item(image *icon, char *title, s32 index) -{ - bool result = false; - - set_render_depth(30); - - u32 id = ui_get_id(); - global_ui_context.layout.dropdown_item_count++; - s32 h = BUTTON_HEIGHT; - s32 x = global_ui_context.layout.dropdown_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() + ((global_ui_context.layout.dropdown_item_count)*h-(1*global_ui_context.layout.dropdown_item_count)); - s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h / 2); - s32 total_w = DROPDOWN_ITEM_WIDTH - + BUTTON_HORIZONTAL_TEXT_PADDING + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - - color bg_color = global_ui_context.style.widget_background; - - if (mouse_x >= x && mouse_x < x + total_w && mouse_y > y && mouse_y < y + h) - { - global_ui_context.item_hovered = true; - - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - if (is_left_clicked(global_ui_context.mouse)) - { - global_ui_context.layout.active_dropdown_state->selected_index = index; - result = true; - } - - bg_color = global_ui_context.style.widget_hover_background; - } - - - render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); - render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); - if (icon) - { - render_image(icon, x+(BUTTON_HORIZONTAL_TEXT_PADDING/2), - y + (h - (h-6))/2, h-6, h-6); - text_x += h-10; - } - render_text(global_ui_context.font_small, text_x+(BUTTON_HORIZONTAL_TEXT_PADDING/2)-5, text_y, title, global_ui_context.style.foreground); - - -#if 0 - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; -#endif - set_render_depth(1); - - return result; -} - -bool ui_push_dropdown(dropdown_state *state, char *title) -{ - bool result = false; - - global_ui_context.layout.active_dropdown_state = state; - - u32 id = ui_get_id(); - global_ui_context.layout.dropdown_item_count = 0; - s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); - s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); - s32 total_w = DROPDOWN_WIDTH + BUTTON_HORIZONTAL_TEXT_PADDING + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - s32 h = BUTTON_HEIGHT; - - if (global_ui_context.layout.block_height < h) - global_ui_context.layout.block_height = h; - - color bg_color = global_ui_context.style.widget_background; - - if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= y && mouse_y < y + h && !global_ui_context.item_hovered) - { - global_ui_context.item_hovered = true; - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - if (is_left_clicked(global_ui_context.mouse)) - { - state->state = !state->state; - } - - bg_color = global_ui_context.style.widget_hover_background; - } - else if (is_left_down(global_ui_context.mouse) && state->state) - { - state->state = false; - // render dropdown this frame so item can be selected - result = true; - } - - render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); - render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); - render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); - - render_triangle(x+total_w - h, y+(h-(h-12))/2, h-12, h-12, global_ui_context.style.border); - global_ui_context.layout.dropdown_x = global_ui_context.layout.offset_x; - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; - - return result || state->state; -} - -bool ui_push_menu(char *title) -{ - bool result = false; - - global_ui_context.layout.menu_offset_y = 0; - global_ui_context.menu_item_count = 0; - u32 id = ui_get_id(); - - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 w = calculate_text_width(global_ui_context.font_small, title) + - (MENU_HORIZONTAL_PADDING*2); - s32 text_h = global_ui_context.font_small->px_h; - s32 h = MENU_BAR_HEIGHT-1; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y+1; - s32 text_y = global_ui_context.layout.offset_y - (text_h / 2) + (h / 2) + global_ui_context.camera->y; - s32 text_x = x + MENU_HORIZONTAL_PADDING; - - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - - color bg_color = global_ui_context.style.menu_background; - - bool is_open = ui_is_menu_active(id); - result = is_open; - - if (mouse_x >= x && mouse_x < x + w && mouse_y >= y && mouse_y < y + h) - { - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - if (is_left_clicked(global_ui_context.mouse)) - { - if (is_open) - array_remove_by(&global_ui_context.active_menus, &id); - else - array_push(&global_ui_context.active_menus, &id); - - result = !is_open; - is_open = result; - } - - bg_color = global_ui_context.style.menu_hover_background; - } - else if (is_left_down(global_ui_context.mouse)) - { - if (is_open) - array_remove_by(&global_ui_context.active_menus, &id); - is_open = false; - } - if (!global_ui_context.layout.active_window->has_focus && is_open) - { - array_remove_by(&global_ui_context.active_menus, &id); - is_open = false; - } - - render_rectangle(x, y, w, h, bg_color); - render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); - - global_ui_context.layout.prev_offset_x = global_ui_context.layout.offset_x; - global_ui_context.layout.offset_x += w; - - return result; -} - -static void ui_set_active_textbox(textbox_state *state) -{ - if (global_ui_context.current_active_textbox && global_ui_context.current_active_textbox != state) - { - global_ui_context.current_active_textbox->state = false; - } - global_ui_context.current_active_textbox = state; -} - -void ui_set_textbox_active(textbox_state *textbox) -{ - ui_set_active_textbox(textbox); - keyboard_set_input_text(global_ui_context.keyboard, textbox->buffer); - textbox->state = true; - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - global_ui_context.keyboard->take_input = textbox->state; -} - -bool ui_push_textbox(textbox_state *state, char *placeholder) -{ - bool result = false; - static u64 cursor_tick = 0; - static u64 last_cursor_pos = -1; - - if (!global_ui_context.layout.active_window->has_focus) - state->state = false; - - s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); - s32 text_x = x + 5; - s32 text_y = y + (TEXTBOX_HEIGHT/2) - (global_ui_context.font_small->px_h/2); - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - - if (global_ui_context.layout.block_height < TEXTBOX_HEIGHT) - global_ui_context.layout.block_height = TEXTBOX_HEIGHT; - - bool has_text = state->buffer[0] != 0; - - s32 virt_top = y; - s32 virt_bottom = y + TEXTBOX_HEIGHT; - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - ///////////////////////////////////////////// - ///////////////////////////////////////////// - ///////////////////////////////////////////// - - bool is_selecting = false; - bool clicked_to_select = false; - bool double_clicked_to_select_first = false; - bool clicked_to_set_cursor = false; - if (mouse_x >= x && mouse_x < x + TEXTBOX_WIDTH && mouse_y >= virt_top && mouse_y < virt_bottom) - { - if (is_left_double_clicked(global_ui_context.mouse) && has_text) - { - ui_set_active_textbox(state); - - global_ui_context.keyboard->selection_begin_offset = 0; - global_ui_context.keyboard->selection_length = utf8len(global_ui_context.keyboard->input_text); - global_ui_context.keyboard->has_selection = true; - state->selection_start_index = 0; - - global_ui_context.mouse->left_state &= ~MOUSE_DOUBLE_CLICK; - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - - state->double_clicked_to_select = true; - double_clicked_to_select_first = true; - } - if (is_left_clicked(global_ui_context.mouse)) - { - ui_set_active_textbox(state); - - keyboard_set_input_text(global_ui_context.keyboard, state->buffer); - cursor_tick = 0; - - if (global_ui_context.keyboard->has_selection) - { - global_ui_context.keyboard->has_selection = false; - } - - clicked_to_set_cursor = true; - - state->state = true; - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - result = true; - - global_ui_context.keyboard->take_input = state->state; - } - } - else if (is_left_clicked(global_ui_context.mouse)) - { - if (state->state) - { - global_ui_context.keyboard->has_selection = false; - } - - state->state = false; - } - - if (is_left_released(global_ui_context.mouse)) - { - state->attempting_to_select = false; - } - - if (state->state && global_ui_context.keyboard->has_selection && is_left_down(global_ui_context.mouse)) - is_selecting = true; - - if (keyboard_is_key_pressed(global_ui_context.keyboard, KEY_ENTER) && state->deselect_on_enter) - { - global_ui_context.keyboard->has_selection = false; - state->state = false; - } - if (state->state && keyboard_is_key_down(global_ui_context.keyboard, KEY_LEFT_CONTROL) && - keyboard_is_key_pressed(global_ui_context.keyboard, KEY_ENTER) && - state->accept_newline) - { - keyboard_handle_input_string(global_ui_context.layout.active_window, global_ui_context.keyboard, "\n"); - } - - // calculate scissor rectangle for background - if (global_ui_context.layout.scroll->in_scroll) - { - s32 scissor_x = x; - s32 scissor_y = global_ui_context.layout.scroll->y; - s32 scissor_w = TEXTBOX_WIDTH; - s32 scissor_h = global_ui_context.layout.scroll->height - 2; - - render_set_scissor(global_ui_context.layout.active_window, scissor_x, - scissor_y, scissor_w, scissor_h); - } - else - { - s32 scissor_x = x - global_ui_context.camera->x; - s32 scissor_y = y - global_ui_context.camera->y; - s32 scissor_w = TEXTBOX_WIDTH; - s32 scissor_h = TEXTBOX_HEIGHT; - - render_set_scissor(global_ui_context.layout.active_window, - scissor_x, scissor_y, scissor_w, scissor_h); - } - - if (!state->state) - { - render_rectangle(x, y, TEXTBOX_WIDTH, TEXTBOX_HEIGHT, global_ui_context.style.textbox_background); - render_rectangle_outline(x, y, TEXTBOX_WIDTH, TEXTBOX_HEIGHT, 1, global_ui_context.style.border); - } - else - { - cursor_tick++; - render_rectangle(x, y, TEXTBOX_WIDTH, TEXTBOX_HEIGHT, global_ui_context.style.textbox_background); - render_rectangle_outline(x, y, TEXTBOX_WIDTH, TEXTBOX_HEIGHT, 1, global_ui_context.style.textbox_active_border); - } - - // calculate scissor rectangle for text - if (global_ui_context.layout.scroll->in_scroll) - { - s32 scissor_x = x+3; - s32 scissor_y = global_ui_context.layout.scroll->y; - s32 scissor_w = TEXTBOX_WIDTH-5; - s32 scissor_h = global_ui_context.layout.scroll->height - 2; - - render_set_scissor(global_ui_context.layout.active_window, scissor_x, - scissor_y, scissor_w, scissor_h); - } - else - { - s32 scissor_x = x - global_ui_context.camera->x+3; - s32 scissor_y = y - global_ui_context.camera->y; - s32 scissor_w = TEXTBOX_WIDTH-5; - s32 scissor_h = TEXTBOX_HEIGHT; - - render_set_scissor(global_ui_context.layout.active_window, - scissor_x, scissor_y, scissor_w, scissor_h); - } - - s32 cursor_text_w; - - // select first character on click - if (clicked_to_set_cursor) - { - global_ui_context.keyboard->cursor = calculate_cursor_position(global_ui_context.font_small, - state->buffer, mouse_x + state->diff - text_x); - - state->last_click_cursor_index = global_ui_context.keyboard->cursor; - state->attempting_to_select = true; - - global_ui_context.keyboard->selection_begin_offset = global_ui_context.keyboard->cursor; - -#if 0 - global_ui_context.keyboard->has_selection = true; - global_ui_context.keyboard->selection_begin_offset = calculate_cursor_position(global_ui_context.font_small, - state->buffer, mouse_x + state->diff - text_x); - global_ui_context.keyboard->selection_length = 1; - state->selection_start_index = global_ui_context.keyboard->selection_begin_offset; -#endif - } - - if (state->state) - { - s32 len = utf8len(global_ui_context.keyboard->input_text); - s32 old_len = utf8len(state->buffer); - - // check if text changes, add to history if true - bool is_lctrl_down = global_ui_context.keyboard->keys[KEY_LEFT_CONTROL]; - - // go to previous state - if (is_lctrl_down && keyboard_is_key_pressed(global_ui_context.keyboard, KEY_Z) && state->history.length) - { - textbox_history_entry history_entry; - history_entry.text = mem_alloc(strlen(state->buffer)+1); - history_entry.cursor_offset = last_cursor_pos; - string_copyn(history_entry.text, state->buffer, MAX_INPUT_LENGTH); - array_push(&state->future, &history_entry); - - global_ui_context.keyboard->text_changed = true; - - textbox_history_entry *old_text = array_at(&state->history, state->history.length-1); - string_copyn(state->buffer, old_text->text, MAX_INPUT_LENGTH); - keyboard_set_input_text(global_ui_context.keyboard, state->buffer); - - mem_free(old_text->text); - array_remove_at(&state->history, state->history.length-1); - - global_ui_context.keyboard->cursor = old_text->cursor_offset; - } - else if (is_lctrl_down && - keyboard_is_key_pressed(global_ui_context.keyboard, KEY_Y) && state->future.length) - { - textbox_history_entry history_entry; - history_entry.text = mem_alloc(strlen(state->buffer)+1); - history_entry.cursor_offset = last_cursor_pos; - string_copyn(history_entry.text, state->buffer, MAX_INPUT_LENGTH); - array_push(&state->history, &history_entry); - - global_ui_context.keyboard->text_changed = true; - - textbox_history_entry *old_text = array_at(&state->future, state->future.length-1); - string_copyn(state->buffer, old_text->text, MAX_INPUT_LENGTH); - keyboard_set_input_text(global_ui_context.keyboard, state->buffer); - - mem_free(old_text->text); - array_remove_at(&state->future, state->future.length-1); - - global_ui_context.keyboard->cursor = old_text->cursor_offset; - } - else - { - if (global_ui_context.keyboard->text_changed) - { - if (last_cursor_pos != -1) - { - textbox_history_entry history_entry; - history_entry.text = mem_alloc(strlen(state->buffer)+1); - history_entry.cursor_offset = last_cursor_pos; - string_copyn(history_entry.text, state->buffer, MAX_INPUT_LENGTH); - array_push(&state->history, &history_entry); - } - } - - string_copyn(state->buffer, global_ui_context.keyboard->input_text, state->max_len); - - if (global_ui_context.keyboard->cursor > state->max_len) - { - global_ui_context.keyboard->cursor = state->max_len; - utf8_str_replace_at(global_ui_context.keyboard->input_text,global_ui_context.keyboard->cursor, 0); - } - } - - // cursor ticking after text change - if (last_cursor_pos != global_ui_context.keyboard->cursor || global_ui_context.keyboard->text_changed) - cursor_tick = 0; - - // draw cursor - cursor_text_w = calculate_text_width_upto(global_ui_context.font_small, - state->buffer, global_ui_context.keyboard->cursor); - - s32 text_w = calculate_text_width(global_ui_context.font_small, state->buffer); - -#if 1 - // change offset after cursor position change - if (!is_selecting && !global_ui_context.keyboard->has_selection && !state->attempting_to_select) - { - if (cursor_text_w < state->diff) - { - state->diff = cursor_text_w; - } - if (cursor_text_w - state->diff > TEXTBOX_WIDTH - 10) - { - state->diff = (cursor_text_w) - (TEXTBOX_WIDTH - 10); - } - } -#endif - - // make sure offset is recalculated when text changes or a portion of text is changed so the textbox doesnt end up half empty -#if 1 - if (!clicked_to_select && !clicked_to_set_cursor && !is_selecting && !global_ui_context.keyboard->has_selection && global_ui_context.keyboard->text_changed) - { - if ((text_w > TEXTBOX_WIDTH -10) && (global_ui_context.keyboard->text_changed || global_ui_context.keyboard->cursor != last_cursor_pos)) - { - state->diff = text_w - TEXTBOX_WIDTH + 10; - } - else if ((text_w <= TEXTBOX_WIDTH -10)) - { - state->diff = 0; - } - } -#endif - } - - s32 curr_index = calculate_cursor_position(global_ui_context.font_small, - state->buffer, mouse_x + state->diff - text_x); - - ////////////////////////////////// - { - if (curr_index != state->last_click_cursor_index && state->attempting_to_select) - { - clicked_to_select = true; - state->attempting_to_select = false; - } - } - - - // select first character on click - if (clicked_to_select) - { -#if 1 - global_ui_context.keyboard->has_selection = true; - //global_ui_context.keyboard->selection_begin_offset = calculate_cursor_position(global_ui_context.font_small, - //state->buffer, mouse_x + state->diff - text_x); - global_ui_context.keyboard->selection_length = 0; - state->selection_start_index = global_ui_context.keyboard->selection_begin_offset; - - state->selection_start_index--; -#endif - } - - -#if 1 - if (is_selecting) - { - // move text offset x when selecting so we can select more text than available on screen. - if (global_ui_context.mouse->x < x + 10) - { - s32 text_w = calculate_text_width(global_ui_context.font_small, state->buffer); - if (text_w > TEXTBOX_WIDTH-10) - { - state->diff -= TEXTBOX_SCROLL_X_SPEED; - if (state->diff < 0) state->diff = 0; - } - } - if (global_ui_context.mouse->x > x + TEXTBOX_WIDTH - 10) - { - s32 text_w = calculate_text_width(global_ui_context.font_small, state->buffer); - s32 diff = text_w - TEXTBOX_WIDTH + 10; - - if (text_w > TEXTBOX_WIDTH-10) - { - state->diff += TEXTBOX_SCROLL_X_SPEED; - if (state->diff > diff) - state->diff = diff; - } - } - /////////////////////////////////////////////////////////// - } -#endif - - // change selection area based on cursor position. - // if double clicked to select the entire textbox we should only - // do this when the mouse has moved enough to select a new character -#if 1 - if (is_selecting) - { - s32 index = calculate_cursor_position(global_ui_context.font_small, - state->buffer, mouse_x + state->diff - text_x)+1; - - if (double_clicked_to_select_first) - state->double_clicked_to_select_cursor_index = index; - - if (!state->double_clicked_to_select || (state->double_clicked_to_select && index != state->double_clicked_to_select_cursor_index)) - { - if (index <= state->selection_start_index+1) - { - global_ui_context.keyboard->selection_begin_offset = index - 1; - global_ui_context.keyboard->selection_length = state->selection_start_index - index + 2; - } - else if (index > state->selection_start_index) - { - global_ui_context.keyboard->selection_begin_offset = state->selection_start_index+1; - global_ui_context.keyboard->selection_length = index - state->selection_start_index-2; - } - - state->double_clicked_to_select = false; - } - } -#endif - - if (state->state) - { - last_cursor_pos = global_ui_context.keyboard->cursor; - } - - if (!has_text) - { - if (!state->state) - render_text(global_ui_context.font_small, text_x - state->diff, text_y, - placeholder, global_ui_context.style.textbox_placeholder_foreground); - else - render_text_with_cursor(global_ui_context.font_small, text_x - state->diff, text_y, - placeholder, global_ui_context.style.textbox_placeholder_foreground, global_ui_context.keyboard->cursor); - } - else - { - if (global_ui_context.keyboard->has_selection && state->state && global_ui_context.keyboard->selection_length) - render_text_with_selection(global_ui_context.font_small, text_x - state->diff, text_y, - state->buffer, global_ui_context.style.foreground, global_ui_context.keyboard->selection_begin_offset, - global_ui_context.keyboard->selection_length); - else if (state->state) - render_text_with_cursor(global_ui_context.font_small, text_x - state->diff, text_y, - state->buffer, global_ui_context.style.foreground, global_ui_context.keyboard->cursor); - else - render_text(global_ui_context.font_small, text_x - state->diff, text_y, - state->buffer, global_ui_context.style.foreground); - } - - ui_pop_scissor(); - //render_reset_scissor(); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += TEXTBOX_WIDTH + WIDGET_PADDING; - else - global_ui_context.layout.offset_y += TEXTBOX_HEIGHT + WIDGET_PADDING; - - return result || state->state; -} - -bool ui_push_hypertext_link(char *text) -{ - bool result = false; - - s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; - s32 text_x = x + WIDGET_PADDING; - s32 text_h = global_ui_context.font_small->px_h; - s32 text_y = y + (BLOCK_HEIGHT/2) - (global_ui_context.font_small->px_h/2) + spacing_y; - s32 total_w = calculate_text_width(global_ui_context.font_small, text) + - WIDGET_PADDING + WIDGET_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - - if (global_ui_context.layout.block_height < global_ui_context.font_small->px_h) - global_ui_context.layout.block_height = global_ui_context.font_small->px_h; - - color bg_color = global_ui_context.style.hypertext_foreground; - if (mouse_x >= text_x && mouse_x < text_x + total_w && mouse_y >= text_y && mouse_y < text_y+text_h && !global_ui_context.item_hovered) - { - if (is_left_clicked(global_ui_context.mouse)) - { - result = true; - } - bg_color = global_ui_context.style.hypertext_hover_foreground; - } - - s32 text_width = render_text(global_ui_context.font_small, text_x, text_y, text, bg_color); - - if (result) - render_rectangle(text_x, text_y + text_h+2, text_width, 1, bg_color); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w; - else - global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; - - return result; -} - -void ui_push_textf(font *f, char *text) -{ - s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; - s32 text_x = x + WIDGET_PADDING; - s32 text_y = y + (BLOCK_HEIGHT/2) - (f->px_h/2) + spacing_y; - s32 total_w = calculate_text_width(f, text) + - WIDGET_PADDING + WIDGET_PADDING; - - if (global_ui_context.layout.block_height < f->px_h) - global_ui_context.layout.block_height = f->px_h+5; - - render_text(f, text_x, text_y, text, global_ui_context.style.foreground); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w; - else - global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; -} - - -void ui_push_textf_width(font *f, char *text, s32 maxw) -{ - s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; - s32 text_x = x + WIDGET_PADDING; - s32 text_y = y + (BLOCK_HEIGHT/2) - (f->px_h/2) + spacing_y; - s32 total_w = maxw + - WIDGET_PADDING + WIDGET_PADDING; - maxw -= (WIDGET_PADDING*2); - if (global_ui_context.layout.block_height < f->px_h) - global_ui_context.layout.block_height = f->px_h+5; - - render_text_ellipsed(f, text_x, text_y, maxw, text, global_ui_context.style.foreground); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w; - else - global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; -} - - -void ui_push_text(char *text) -{ - s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; - s32 text_x = x + WIDGET_PADDING; - s32 text_y = y + (BLOCK_HEIGHT/2) - (global_ui_context.font_small->px_h/2) + spacing_y; - s32 total_w = calculate_text_width(global_ui_context.font_small, text) + - WIDGET_PADDING + WIDGET_PADDING; - - if (global_ui_context.layout.block_height < global_ui_context.font_small->px_h) - global_ui_context.layout.block_height = global_ui_context.font_small->px_h+5; - - render_text(global_ui_context.font_small, text_x, text_y, text, global_ui_context.style.foreground); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w; - else - global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; -} - -void ui_push_rect(s32 w, color c) -{ - s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); - s32 total_w = w + - WIDGET_PADDING + WIDGET_PADDING; - s32 h = BUTTON_HEIGHT; - - s32 virt_top = y; - s32 virt_bottom = y + TEXTBOX_HEIGHT; - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - if (global_ui_context.layout.block_height < h) - global_ui_context.layout.block_height = h; - - { - render_rectangle(x+WIDGET_PADDING,y,w,h,c); - } - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; -} - -bool ui_push_text_width(char *text, s32 maxw, bool active) -{ - bool result = false; - - s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; - s32 text_x = x + WIDGET_PADDING; - s32 h = BUTTON_HEIGHT; - s32 text_y = y + (BLOCK_HEIGHT/2) - (global_ui_context.font_small->px_h/2) + spacing_y; - s32 total_w = maxw + - WIDGET_PADDING + WIDGET_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - s32 virt_top = y; - s32 virt_bottom = y + h; - - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - if (global_ui_context.layout.block_height < global_ui_context.font_small->px_h) - global_ui_context.layout.block_height = global_ui_context.font_small->px_h+5; - maxw -= (WIDGET_PADDING*2); - if (active) - { - bool hovered = false; - if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) - { - hovered = true; - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - if (is_left_clicked(global_ui_context.mouse)) - { - result = true; - } - } - - if (hovered) - { - render_rectangle_outline(x-1,y+spacing_y,total_w, h, 1, global_ui_context.style.textbox_active_border); - } - } - - render_text_ellipsed(global_ui_context.font_small, text_x, text_y, maxw, text, global_ui_context.style.foreground); - - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; - - return result; -} - -bool ui_push_checkbox(checkbox_state *state, char *title) -{ - bool result = false; - - s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; - s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; - s32 text_x = x + CHECKBOX_SIZE + WIDGET_PADDING; - s32 text_y = y + (BLOCK_HEIGHT/2) - (global_ui_context.font_small->px_h/2) + spacing_y; - s32 total_w = calculate_text_width(global_ui_context.font_small, title) + - CHECKBOX_SIZE + WIDGET_PADDING + WIDGET_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - - if (global_ui_context.layout.block_height < CHECKBOX_SIZE) - global_ui_context.layout.block_height = CHECKBOX_SIZE; - - render_rectangle_outline(x, y, CHECKBOX_SIZE, CHECKBOX_SIZE, 1, global_ui_context.style.border); - - s32 virt_top = y; - s32 virt_bottom = y + CHECKBOX_SIZE; - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - if (mouse_x >= x && mouse_x < x + CHECKBOX_SIZE && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) - { - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - if (is_left_clicked(global_ui_context.mouse)) - { - state->state = !state->state; - result = true; - } - } - - if (state->state) - { - s32 spacing = 2; - render_rectangle(x+spacing, y+spacing, CHECKBOX_SIZE-(spacing*2), CHECKBOX_SIZE-(spacing*2), global_ui_context.style.border); - } - - render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w; - else - global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; - - return result; -} - -inline bool is_shortcut_down(s32 shortcut_keys[2]) -{ - return keyboard_is_key_down(global_ui_context.keyboard, shortcut_keys[0]) && - keyboard_is_key_pressed(global_ui_context.keyboard, shortcut_keys[1]); -} - -bool ui_push_menu_item(char *title, char *shortcut) -{ - bool result = false; - - set_render_depth(30); - - global_ui_context.menu_item_count++; - - s32 x = global_ui_context.layout.prev_offset_x + global_ui_context.camera->x; - s32 w = MENU_ITEM_WIDTH; - s32 text_h = global_ui_context.font_small->px_h; - s32 h = MENU_BAR_HEIGHT; - s32 y = global_ui_context.layout.offset_y + (global_ui_context.menu_item_count * h)+1 + - global_ui_context.layout.menu_offset_y + global_ui_context.camera->y; - s32 text_y = y - (text_h / 2) + (h / 2); - s32 text_x = x + MENU_HORIZONTAL_PADDING; - s32 text_2_x = x + w - MENU_HORIZONTAL_PADDING - - calculate_text_width(global_ui_context.font_small, shortcut); - - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - - if (global_ui_context.layout.block_height < h) - global_ui_context.layout.block_height = h; - - color bg_color = global_ui_context.style.menu_background; - - if ((mouse_x >= x && mouse_x < x + w && mouse_y >= y && mouse_y < y + h)) - { - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - bg_color = global_ui_context.style.menu_hover_background; - global_ui_context.item_hovered = true; - - if (is_left_clicked(global_ui_context.mouse)) - { - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - result = true; - } - } - - render_rectangle(x, y, w, h, bg_color); - render_rectangle(x, y+MENU_BAR_HEIGHT, w, 1, global_ui_context.style.border); - - // borders - render_rectangle(x, y, w, 1, bg_color); - render_rectangle(x, y, 1, MENU_BAR_HEIGHT, global_ui_context.style.border); - render_rectangle(x+w, y, 1, MENU_BAR_HEIGHT+1, global_ui_context.style.border); - - render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); - render_text(global_ui_context.font_small, text_2_x, text_y, shortcut, global_ui_context.style.foreground); - - set_render_depth(1); - - return result; -} - -bool ui_push_image(image *img, s32 w, s32 h, s32 outline, color tint) -{ - bool result = false; - - if (!img->loaded) return result; - - s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); - s32 total_w = w; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - - if (global_ui_context.layout.block_height < h) - global_ui_context.layout.block_height = h; - - s32 virt_top = y; - s32 virt_bottom = y + h; - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) - { - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - - if (is_left_clicked(global_ui_context.mouse)) - { - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - } - if (is_left_released(global_ui_context.mouse)) - { - result = true; - } - } - - render_image_tint(img,x,y,w,h,global_ui_context.style.image_outline_tint); - render_image_tint(img,x+outline,y+outline,w-(outline*2),h-(outline*2),tint); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; - - return result; -} - -bool ui_push_button(button_state *state, char *title) -{ - bool result = false; - - s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); - s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); - s32 total_w = calculate_text_width(global_ui_context.font_small, title) + - BUTTON_HORIZONTAL_TEXT_PADDING + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - s32 h = BUTTON_HEIGHT; - - if (global_ui_context.layout.block_height < h) - global_ui_context.layout.block_height = h; - - color bg_color = global_ui_context.style.widget_background; - - s32 virt_top = y; - s32 virt_bottom = y + h; - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) - { - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - bg_color = global_ui_context.style.widget_hover_background; - - if (is_left_clicked(global_ui_context.mouse)) - { - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - state->state = 1; - } - if (is_left_released(global_ui_context.mouse) && state->state) - { - state->state = 0; - result = true; - } - } - if (is_left_released(global_ui_context.mouse)) - { - //state->state = 0; - } - - render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); - render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); - render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; - - return result; -} - -bool ui_push_button_image_with_confirmation(button_state *state, char *title, image *img) -{ - bool result = false; - u32 id = ui_get_id(); - - s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); - s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); - s32 text_w = calculate_text_width(global_ui_context.font_small, title); - s32 total_w = text_w + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - s32 h = BUTTON_HEIGHT; - bool confirming = global_ui_context.confirming_button_id == id; - - if (title[0] == 0) - { - total_w = 0; - } - - color bg_color; - color border_color; - - if (confirming) - { - bg_color = global_ui_context.style.widget_confirm_background; - border_color = global_ui_context.style.widget_confirm_border; - } - else - { - bg_color = global_ui_context.style.widget_background; - border_color = global_ui_context.style.border; - } - - if (global_ui_context.layout.block_height < h) - global_ui_context.layout.block_height = h; - - int icon_w = 1; - int icon_h = 1; - if (img->loaded) - { - float max_icon_size = BUTTON_HEIGHT - (BUTTON_IMAGE_PADDING*2); - float scale = 1.0f; - if (img->width >= img->height) - { - scale = img->width / max_icon_size; - - icon_w = img->width / scale; - icon_h = icon_w; - } - else if (img->height >= img->width) - { - scale = img->height / max_icon_size; - - icon_h = img->height / scale; - icon_w = icon_h; - } - - total_w += icon_w + (BUTTON_IMAGE_SPACING*2); - } - - s32 virt_top = y; - s32 virt_bottom = y + h; - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) - { - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - - if (confirming) - bg_color = global_ui_context.style.widget_confirm_hover_background; - else - bg_color = global_ui_context.style.widget_hover_background; - - if (is_left_clicked(global_ui_context.mouse)) - { - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - state->state = 1; - - if (confirming) - { - result = true; - global_ui_context.confirming_button_id = -1; - } - } - if (is_left_released(global_ui_context.mouse) && (state->state || confirming)) - { - state->state = 0; - - if (!confirming) - { - global_ui_context.confirming_button_id = id; - } - } - } - else - { - if (is_left_clicked(global_ui_context.mouse) && confirming) - { - global_ui_context.confirming_button_id = -1; - } - } - - if (is_left_released(global_ui_context.mouse)) - { - state->state = 0; - } - - render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); - render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, border_color); - render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); - render_image(img, x + total_w - icon_w - BUTTON_IMAGE_SPACING, y + BUTTON_IMAGE_PADDING, img->width, img->height); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; - - return result; -} - -bool ui_push_button_image(button_state *state, char *title, image *img) -{ - bool result = false; - - s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); - s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); - s32 text_w = calculate_text_width(global_ui_context.font_small, title); - s32 total_w = text_w + BUTTON_HORIZONTAL_TEXT_PADDING; - s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; - s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; - s32 h = BUTTON_HEIGHT; - - if (title[0] == 0) - { - total_w = 0; - } - - color bg_color = global_ui_context.style.widget_background; - - if (global_ui_context.layout.block_height < h) - global_ui_context.layout.block_height = h; - - int icon_w = 1; - int icon_h = 1; - if (img->loaded) - { - float max_icon_size = BUTTON_HEIGHT - (BUTTON_IMAGE_PADDING*2); - float scale = 1.0f; - if (img->width >= img->height) - { - scale = img->width / max_icon_size; - - icon_w = img->width / scale; - icon_h = icon_w; - } - else if (img->height >= img->width) - { - scale = img->height / max_icon_size; - - icon_h = img->height / scale; - icon_w = icon_h; - } - - total_w += icon_w + (BUTTON_IMAGE_SPACING*2); - } - - s32 virt_top = y; - s32 virt_bottom = y + h; - if (global_ui_context.layout.scroll->in_scroll) - { - s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - if (bottom < virt_bottom) - virt_bottom = bottom; - s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - if (top > virt_top) - virt_top = top; - } - - if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) - { - platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); - bg_color = global_ui_context.style.widget_hover_background; - - if (is_left_clicked(global_ui_context.mouse)) - { - global_ui_context.mouse->left_state &= ~MOUSE_CLICK; - state->state = 1; - } - if (is_left_released(global_ui_context.mouse) && state->state) - { - state->state = 0; - result = true; - } - } - if (is_left_released(global_ui_context.mouse)) - { - state->state = 0; - } - - render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); - render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); - render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); - render_image(img, x + total_w - icon_w - BUTTON_IMAGE_SPACING, y + BUTTON_IMAGE_PADDING, img->width, img->height); - - if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) - global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; - else - global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; - - return result; -} - -inline void ui_end_menu_bar() -{ - global_ui_context.layout.layout_direction = LAYOUT_VERTICAL; - global_ui_context.layout.offset_x = 0; - global_ui_context.layout.offset_y += MENU_BAR_HEIGHT; - - //ui_push_separator(); -} - -inline void ui_destroy() -{ - array_destroy(&global_ui_context.active_menus); -} - -void ui_scroll_begin(scroll_state *state) -{ - global_ui_context.layout.scroll = state; - global_ui_context.layout.scroll->in_scroll = true; - //global_ui_context.layout.scroll->height = height; - - s32 w = global_ui_context.layout.width; - s32 h = state->height; - s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; - s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y - WIDGET_PADDING; - - state->width = w; - state->height = h; - state->x = x; - state->y = y; - - //global_ui_context.layout.offset_x += WIDGET_PADDING; - global_ui_context.layout.start_offset_x = global_ui_context.layout.offset_x; - //global_ui_context.layout.offset_y += WIDGET_PADDING; - global_ui_context.layout.scroll->scroll_start_offset_y = global_ui_context.layout.offset_y; - - //render_rectangle_outline(x, y, w, h, 1, global_ui_context.style.border); - render_set_scissor(global_ui_context.layout.active_window, x, y, w, h); -} - -void ui_scroll_end() -{ - s32 max_scroll = (global_ui_context.layout.scroll->scroll_start_offset_y - - global_ui_context.layout.offset_y) + global_ui_context.layout.scroll->height; - - //global_ui_context.layout.offset_x -= WIDGET_PADDING; - global_ui_context.layout.offset_y = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; - global_ui_context.layout.offset_y += WIDGET_PADDING; - - // draw scrollbar - if (max_scroll < 0) - { - s32 scroll_w = 14; - - if (global_ui_context.mouse->x >= global_ui_context.layout.scroll->x && - global_ui_context.mouse->x <= global_ui_context.layout.scroll->x+global_ui_context.layout.scroll->width && - global_ui_context.mouse->y >= global_ui_context.layout.scroll->y && - global_ui_context.mouse->y <= global_ui_context.layout.scroll->y+global_ui_context.layout.scroll->height) - { - s32 scroll_y = 0; - if (global_ui_context.mouse->scroll_state == SCROLL_UP) - scroll_y+=SCROLL_SPEED; - if (global_ui_context.mouse->scroll_state == SCROLL_DOWN) - scroll_y-=SCROLL_SPEED; - global_ui_context.layout.scroll->scroll += scroll_y; - } - - if (global_ui_context.layout.scroll->scroll > 0) - global_ui_context.layout.scroll->scroll = 0; - if (global_ui_context.layout.scroll->scroll < max_scroll) - global_ui_context.layout.scroll->scroll = max_scroll; - - float percentage = global_ui_context.layout.scroll->scroll / - (float)max_scroll; - - float scrollbar_height_percentage = -(max_scroll - global_ui_context.layout.scroll->height) / (float)global_ui_context.layout.scroll->height; - - s32 scrollbar_height = (global_ui_context.layout.scroll->height / scrollbar_height_percentage); - s32 scrollbar_pos_y = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; - - s32 tw = global_ui_context.layout.width - WIDGET_PADDING*2; - s32 tx = global_ui_context.layout.offset_x + global_ui_context.camera->x + WIDGET_PADDING; - - s32 scrollbar_pos_x = tx + tw + WIDGET_PADDING - scroll_w; - - scrollbar_pos_y += (global_ui_context.layout.scroll->height - - scrollbar_height) * percentage; - if (is_left_clicked(global_ui_context.mouse) && - global_ui_context.mouse->x >= scrollbar_pos_x && global_ui_context.mouse->x <= scrollbar_pos_x + scroll_w && - global_ui_context.mouse->y >= global_ui_context.layout.scroll->y && global_ui_context.mouse->y <= global_ui_context.layout.scroll->y + global_ui_context.layout.scroll->height) - { - global_ui_context.layout.scroll->mouse_scrolling = true; - } - else if (is_left_released(global_ui_context.mouse)) - { - global_ui_context.layout.scroll->mouse_scrolling = false; - } - //render_reset_scissor(); - if (global_ui_context.layout.scroll->mouse_scrolling) - { - float mouse_percentage = (global_ui_context.mouse->y-global_ui_context.layout.scroll->y-(scrollbar_height/2))/ - (float)(global_ui_context.layout.scroll->height-(scrollbar_height)); - - global_ui_context.layout.scroll->scroll = (s32)(mouse_percentage * max_scroll); - if (global_ui_context.layout.scroll->scroll > 0) global_ui_context.layout.scroll->scroll = 0; - if (global_ui_context.layout.scroll->scroll < max_scroll) - global_ui_context.layout.scroll->scroll = max_scroll; - } - - { - // scroll background - render_rectangle(scrollbar_pos_x,global_ui_context.layout.scroll->y, - scroll_w,global_ui_context.layout.scroll->height,global_ui_context.style.scrollbar_background); - - render_rectangle_outline(scrollbar_pos_x,global_ui_context.layout.scroll->y-1, - scroll_w,global_ui_context.layout.scroll->height+2, 1, - global_ui_context.style.border); - - // scrollbar - render_rectangle(scrollbar_pos_x, scrollbar_pos_y-1, - scroll_w,scrollbar_height+2,global_ui_context.style.scrollbar_handle_background); - - render_rectangle_outline(scrollbar_pos_x, scrollbar_pos_y-1, - scroll_w,scrollbar_height+2, 1, - global_ui_context.style.border); - - //render_rectangle(scrollbar_pos_x, scrollbar_pos_y, 10, scrollbar_height, global_ui_context.style.scrollbar_handle_background); - } - } - render_reset_scissor(); - global_ui_context.layout.scroll->in_scroll = false; -} +/* +* BSD 2-Clause “Simplified” License +* Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com +* All rights reserved. +*/ + +inline void ui_begin(s32 id) +{ + global_ui_context.item_hovered = false; + global_ui_context.next_id = id * 100; + global_ui_context.layout.offset_x = 0; + global_ui_context.layout.offset_y = 0; + global_ui_context.layout.width = global_ui_context.layout.active_window->width; + global_ui_context.layout.height = global_ui_context.layout.active_window->height; + global_ui_context.layout.active_dropdown_state = 0; +} + +inline void ui_end() +{ + +} + +inline checkbox_state ui_create_checkbox(bool selected) +{ + checkbox_state state; + state.state = selected; + + return state; +} + +inline textbox_state ui_create_textbox(u16 max_len) +{ + assert(max_len > 0); + assert(max_len <= MAX_INPUT_LENGTH); + + textbox_state state; + state.max_len = max_len; + state.buffer = mem_alloc(max_len+1); + state.buffer[0] = 0; + state.state = false; + state.text_offset_x = 0; + state.history = array_create(sizeof(textbox_history_entry)); + state.future = array_create(sizeof(textbox_history_entry)); + array_reserve(&state.history, 100); + state.history.reserve_jump = 100; + array_reserve(&state.future, 100); + state.future.reserve_jump = 100; + state.selection_start_index = 0; + state.double_clicked_to_select = false; + state.double_clicked_to_select_cursor_index = 0; + state.diff = 0; + state.last_click_cursor_index = -1; + state.attempting_to_select = false; + state.deselect_on_enter = true; + state.accept_newline = false; + + return state; +} + +void ui_destroy_textbox(textbox_state *state) +{ + for (s32 i = 0; i < state->history.length; i++) + { + char **history_entry = array_at(&state->history, i); + mem_free(*history_entry); + } + array_destroy(&state->history); + array_destroy(&state->future); + + mem_free(state->buffer); +} + +inline button_state ui_create_button() +{ + button_state state; + state.state = 0; + + return state; +} + +inline scroll_state ui_create_scroll(s32 scroll) +{ + scroll_state state; + state.scroll = 0; + state.height = scroll; + state.mouse_scrolling = false; + state.in_scroll = false; + + return state; +} + +void ui_set_textbox_text(textbox_state *textbox, char *text) +{ + if (global_ui_context.current_active_textbox == textbox) + { + keyboard_set_input_text(global_ui_context.keyboard, text); + } + + textbox->diff = 0; + string_copyn(textbox->buffer, text, textbox->max_len); +} + +inline dropdown_state ui_create_dropdown() +{ + dropdown_state state; + state.state = 0; + state.selected_index = 0; + return state; +} + +void ui_set_style(u16 style) +{ + global_ui_context.style.id = style; + if (style == UI_STYLE_LIGHT) + { + global_ui_context.style.hypertext_foreground = rgb(66, 134, 244); + global_ui_context.style.hypertext_hover_foreground = rgb(221, 93, 202); + global_ui_context.style.image_outline_tint = rgb(200,200,200); + global_ui_context.style.scrollbar_handle_background = rgb(225,225,225); + global_ui_context.style.info_bar_background = rgb(225,225,225); + global_ui_context.style.error_foreground = rgb(224,79,95); + global_ui_context.style.item_hover_background = rgb(240,220,220); + global_ui_context.style.scrollbar_background = rgb(255,255,255); + global_ui_context.style.background = rgb(255,255,255); + global_ui_context.style.menu_hover_background = rgb(200,200,200); + global_ui_context.style.menu_background = rgb(225,225,225); + global_ui_context.style.widget_hover_background = rgb(200,200,200); + global_ui_context.style.widget_background = rgb(225,225,225); + global_ui_context.style.border = rgb(180,180,180); + global_ui_context.style.foreground = rgb(10, 10, 10); + global_ui_context.style.textbox_background = rgb(240,240,240); + global_ui_context.style.textbox_foreground = rgb(10,10,10); + global_ui_context.style.textbox_placeholder_foreground = rgb(80,80,80); + global_ui_context.style.textbox_active_border = rgb(66, 134, 244); + global_ui_context.style.widget_confirm_background = rgb(211, 80, 80); + global_ui_context.style.widget_confirm_hover_background = rgb(211, 53, 53); + global_ui_context.style.widget_confirm_border = rgb(130, 0, 0); + } + if (style == UI_STYLE_DARK) + { + global_ui_context.style.hypertext_foreground = rgb(66, 134, 244); + global_ui_context.style.hypertext_hover_foreground = rgb(221, 93, 202); + global_ui_context.style.scrollbar_handle_background = rgb(50,50,50); + global_ui_context.style.menu_hover_background = rgb(60,60,60); + global_ui_context.style.item_hover_background = rgb(80,60,60); + global_ui_context.style.image_outline_tint = rgb(200,200,200); + global_ui_context.style.error_foreground = rgb(224,79,95); + global_ui_context.style.scrollbar_background = rgb(80,80,80); + global_ui_context.style.widget_hover_background = rgb(50,50,50); + global_ui_context.style.widget_background = rgb(65,65,65); + global_ui_context.style.info_bar_background = rgb(65,65,65); + global_ui_context.style.menu_background = rgb(65,65,65); + global_ui_context.style.background = rgb(80, 80, 80); + global_ui_context.style.border = rgb(60,60,60); + global_ui_context.style.foreground = rgb(240,240,240); + global_ui_context.style.textbox_background = rgb(65,65,65); + global_ui_context.style.textbox_foreground = rgb(240, 240,240); + global_ui_context.style.textbox_active_border = rgb(66, 134, 244); + } +} + +static scroll_state empty_scroll; +inline void ui_create(platform_window *window, keyboard_input *keyboard, mouse_input *mouse, camera *camera, font *font_small) +{ + ui_set_style(UI_STYLE_LIGHT); + + global_ui_context.layout.layout_direction = LAYOUT_VERTICAL; + global_ui_context.layout.offset_x = 0; + global_ui_context.layout.offset_y = 0; + global_ui_context.layout.active_window = window; + global_ui_context.layout.width = global_ui_context.layout.active_window->width; + empty_scroll = ui_create_scroll(1); + global_ui_context.layout.scroll = &empty_scroll; + + global_ui_context.keyboard = keyboard; + global_ui_context.mouse = mouse; + global_ui_context.font_small = font_small; + global_ui_context.active_menus = array_create(sizeof(s32)); + global_ui_context.menu_item_count = 0; + global_ui_context.camera = camera; + + array_reserve(&global_ui_context.active_menus, 100); +} + +static void ui_pop_scissor() +{ + if (global_ui_context.layout.scroll->in_scroll) + { + s32 w = global_ui_context.layout.scroll->width; + s32 h = global_ui_context.layout.scroll->height; + s32 x = global_ui_context.layout.scroll->x; + s32 y = global_ui_context.layout.scroll->y; + + render_set_scissor(global_ui_context.layout.active_window, x,y,w,h); + } + else + { + render_reset_scissor(); + } +} + +inline void ui_block_begin(layout_direction direction) +{ + global_ui_context.layout.layout_direction = direction; + global_ui_context.layout.block_height = 0; + global_ui_context.layout.start_offset_y = global_ui_context.layout.offset_y; + global_ui_context.layout.start_offset_x = global_ui_context.layout.offset_x; + + ui_pop_scissor(); +} + +inline void ui_block_end() +{ + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + { + global_ui_context.layout.offset_y += global_ui_context.layout.block_height + WIDGET_PADDING; + } + global_ui_context.layout.offset_x = global_ui_context.layout.start_offset_x; +} + +inline void ui_set_active_window(platform_window *window) +{ + global_ui_context.layout.active_window = window; +} + +inline void ui_begin_menu_bar() +{ + s32 w = global_ui_context.layout.width; + s32 h = global_ui_context.layout.active_window->height; + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y; + + global_ui_context.layout.offset_x = 0; + global_ui_context.layout.layout_direction = LAYOUT_HORIZONTAL; + + render_rectangle(0, y, w, MENU_BAR_HEIGHT, global_ui_context.style.menu_background); + render_rectangle(0, y, w, 1, global_ui_context.style.border); + global_ui_context.layout.menu_offset_y = 0; +} + +inline bool ui_is_menu_active(u32 id) +{ + for (int i = 0; i < global_ui_context.active_menus.length; i++) + { + s32 *iid = array_at(&global_ui_context.active_menus, i); + if (*iid == id) return true; + } + return false; +} + +inline u32 ui_get_id() +{ + return global_ui_context.next_id++; +} + +inline void ui_push_separator() +{ + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y; + s32 w = global_ui_context.layout.width; + + render_rectangle(x, y, w, 1, global_ui_context.style.border); + global_ui_context.layout.offset_y += 1 + WIDGET_PADDING; +} + +void ui_push_vertical_dragbar() +{ + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x + global_ui_context.layout.width; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y - WIDGET_PADDING; + s32 h = global_ui_context.layout.height; + + render_rectangle(x, y, 2, h, global_ui_context.style.border); +} + +inline void ui_push_menu_item_separator() +{ + global_ui_context.layout.menu_offset_y += 1; +} + +static s32 ui_get_scroll() +{ + if (global_ui_context.layout.scroll->in_scroll) + { + return global_ui_context.layout.scroll->scroll; + } + + return 0; +} + +bool ui_push_color_button(char *text, bool selected, color c) +{ + bool result = false; + + s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); + s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); + s32 total_w = + BUTTON_HORIZONTAL_TEXT_PADDING + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + s32 h = BUTTON_HEIGHT; + + if (global_ui_context.layout.block_height < h) + global_ui_context.layout.block_height = h; + + color bg_color = c; + + s32 virt_top = y; + s32 virt_bottom = y + h; + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) + { + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + bg_color.r-=20; + bg_color.g-=20; + bg_color.b-=20; + + if (is_left_clicked(global_ui_context.mouse)) + { + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + result = true; + } + } + + if (selected) + { + render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); + render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 4, global_ui_context.style.border); + } + else + { + render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); + render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); + } + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; + + return result; +} + +bool ui_push_dropdown_item(image *icon, char *title, s32 index) +{ + bool result = false; + + set_render_depth(30); + + u32 id = ui_get_id(); + global_ui_context.layout.dropdown_item_count++; + s32 h = BUTTON_HEIGHT; + s32 x = global_ui_context.layout.dropdown_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() + ((global_ui_context.layout.dropdown_item_count)*h-(1*global_ui_context.layout.dropdown_item_count)); + s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h / 2); + s32 total_w = DROPDOWN_ITEM_WIDTH + + BUTTON_HORIZONTAL_TEXT_PADDING + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + + color bg_color = global_ui_context.style.widget_background; + + if (mouse_x >= x && mouse_x < x + total_w && mouse_y > y && mouse_y < y + h) + { + global_ui_context.item_hovered = true; + + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + if (is_left_clicked(global_ui_context.mouse)) + { + global_ui_context.layout.active_dropdown_state->selected_index = index; + result = true; + } + + bg_color = global_ui_context.style.widget_hover_background; + } + + + render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); + render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); + if (icon) + { + render_image(icon, x+(BUTTON_HORIZONTAL_TEXT_PADDING/2), + y + (h - (h-6))/2, h-6, h-6); + text_x += h-10; + } + render_text(global_ui_context.font_small, text_x+(BUTTON_HORIZONTAL_TEXT_PADDING/2)-5, text_y, title, global_ui_context.style.foreground); + + +#if 0 + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; +#endif + set_render_depth(1); + + return result; +} + +bool ui_push_dropdown(dropdown_state *state, char *title) +{ + bool result = false; + + global_ui_context.layout.active_dropdown_state = state; + + u32 id = ui_get_id(); + global_ui_context.layout.dropdown_item_count = 0; + s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); + s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); + s32 total_w = DROPDOWN_WIDTH + BUTTON_HORIZONTAL_TEXT_PADDING + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + s32 h = BUTTON_HEIGHT; + + if (global_ui_context.layout.block_height < h) + global_ui_context.layout.block_height = h; + + color bg_color = global_ui_context.style.widget_background; + + if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= y && mouse_y < y + h && !global_ui_context.item_hovered) + { + global_ui_context.item_hovered = true; + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + if (is_left_clicked(global_ui_context.mouse)) + { + state->state = !state->state; + } + + bg_color = global_ui_context.style.widget_hover_background; + } + else if (is_left_down(global_ui_context.mouse) && state->state) + { + state->state = false; + // render dropdown this frame so item can be selected + result = true; + } + + render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); + render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); + render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); + + render_triangle(x+total_w - h, y+(h-(h-12))/2, h-12, h-12, global_ui_context.style.border); + global_ui_context.layout.dropdown_x = global_ui_context.layout.offset_x; + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; + + return result || state->state; +} + +bool ui_push_menu(char *title) +{ + bool result = false; + + global_ui_context.layout.menu_offset_y = 0; + global_ui_context.menu_item_count = 0; + u32 id = ui_get_id(); + + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 w = calculate_text_width(global_ui_context.font_small, title) + + (MENU_HORIZONTAL_PADDING*2); + s32 text_h = global_ui_context.font_small->px_h; + s32 h = MENU_BAR_HEIGHT-1; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y+1; + s32 text_y = global_ui_context.layout.offset_y - (text_h / 2) + (h / 2) + global_ui_context.camera->y; + s32 text_x = x + MENU_HORIZONTAL_PADDING; + + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + + color bg_color = global_ui_context.style.menu_background; + + bool is_open = ui_is_menu_active(id); + result = is_open; + + if (mouse_x >= x && mouse_x < x + w && mouse_y >= y && mouse_y < y + h) + { + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + if (is_left_clicked(global_ui_context.mouse)) + { + if (is_open) + array_remove_by(&global_ui_context.active_menus, &id); + else + array_push(&global_ui_context.active_menus, &id); + + result = !is_open; + is_open = result; + } + + bg_color = global_ui_context.style.menu_hover_background; + } + else if (is_left_down(global_ui_context.mouse)) + { + if (is_open) + array_remove_by(&global_ui_context.active_menus, &id); + is_open = false; + } + if (!global_ui_context.layout.active_window->has_focus && is_open) + { + array_remove_by(&global_ui_context.active_menus, &id); + is_open = false; + } + + render_rectangle(x, y, w, h, bg_color); + render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); + + global_ui_context.layout.prev_offset_x = global_ui_context.layout.offset_x; + global_ui_context.layout.offset_x += w; + + return result; +} + +static void ui_set_active_textbox(textbox_state *state) +{ + if (global_ui_context.current_active_textbox && global_ui_context.current_active_textbox != state) + { + global_ui_context.current_active_textbox->state = false; + } + global_ui_context.current_active_textbox = state; +} + +void ui_set_textbox_active(textbox_state *textbox) +{ + ui_set_active_textbox(textbox); + keyboard_set_input_text(global_ui_context.keyboard, textbox->buffer); + textbox->state = true; + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + global_ui_context.keyboard->take_input = textbox->state; +} + +bool ui_push_textbox(textbox_state *state, char *placeholder) +{ + bool result = false; + static u64 cursor_tick = 0; + static u64 last_cursor_pos = -1; + + if (!global_ui_context.layout.active_window->has_focus) + state->state = false; + + s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); + s32 text_x = x + 5; + s32 text_y = y + (TEXTBOX_HEIGHT/2) - (global_ui_context.font_small->px_h/2); + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + + if (global_ui_context.layout.block_height < TEXTBOX_HEIGHT) + global_ui_context.layout.block_height = TEXTBOX_HEIGHT; + + bool has_text = state->buffer[0] != 0; + + s32 virt_top = y; + s32 virt_bottom = y + TEXTBOX_HEIGHT; + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + ///////////////////////////////////////////// + ///////////////////////////////////////////// + ///////////////////////////////////////////// + + bool is_selecting = false; + bool clicked_to_select = false; + bool double_clicked_to_select_first = false; + bool clicked_to_set_cursor = false; + if (mouse_x >= x && mouse_x < x + TEXTBOX_WIDTH && mouse_y >= virt_top && mouse_y < virt_bottom) + { + if (is_left_double_clicked(global_ui_context.mouse) && has_text) + { + ui_set_active_textbox(state); + + global_ui_context.keyboard->selection_begin_offset = 0; + global_ui_context.keyboard->selection_length = utf8len(global_ui_context.keyboard->input_text); + global_ui_context.keyboard->has_selection = true; + state->selection_start_index = 0; + + global_ui_context.mouse->left_state &= ~MOUSE_DOUBLE_CLICK; + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + + state->double_clicked_to_select = true; + double_clicked_to_select_first = true; + } + if (is_left_clicked(global_ui_context.mouse)) + { + ui_set_active_textbox(state); + + keyboard_set_input_text(global_ui_context.keyboard, state->buffer); + cursor_tick = 0; + + if (global_ui_context.keyboard->has_selection) + { + global_ui_context.keyboard->has_selection = false; + } + + clicked_to_set_cursor = true; + + state->state = true; + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + result = true; + + global_ui_context.keyboard->take_input = state->state; + } + } + else if (is_left_clicked(global_ui_context.mouse)) + { + if (state->state) + { + global_ui_context.keyboard->has_selection = false; + } + + state->state = false; + } + + if (is_left_released(global_ui_context.mouse)) + { + state->attempting_to_select = false; + } + + if (state->state && global_ui_context.keyboard->has_selection && is_left_down(global_ui_context.mouse)) + is_selecting = true; + + if (keyboard_is_key_pressed(global_ui_context.keyboard, KEY_ENTER) && state->deselect_on_enter) + { + global_ui_context.keyboard->has_selection = false; + state->state = false; + } + if (state->state && keyboard_is_key_down(global_ui_context.keyboard, KEY_LEFT_CONTROL) && + keyboard_is_key_pressed(global_ui_context.keyboard, KEY_ENTER) && + state->accept_newline) + { + keyboard_handle_input_string(global_ui_context.layout.active_window, global_ui_context.keyboard, "\n"); + } + + // calculate scissor rectangle for background + if (global_ui_context.layout.scroll->in_scroll) + { + s32 scissor_x = x; + s32 scissor_y = global_ui_context.layout.scroll->y; + s32 scissor_w = TEXTBOX_WIDTH; + s32 scissor_h = global_ui_context.layout.scroll->height - 2; + + render_set_scissor(global_ui_context.layout.active_window, scissor_x, + scissor_y, scissor_w, scissor_h); + } + else + { + s32 scissor_x = x - global_ui_context.camera->x; + s32 scissor_y = y - global_ui_context.camera->y; + s32 scissor_w = TEXTBOX_WIDTH; + s32 scissor_h = TEXTBOX_HEIGHT; + + render_set_scissor(global_ui_context.layout.active_window, + scissor_x, scissor_y, scissor_w, scissor_h); + } + + if (!state->state) + { + render_rectangle(x, y, TEXTBOX_WIDTH, TEXTBOX_HEIGHT, global_ui_context.style.textbox_background); + render_rectangle_outline(x, y, TEXTBOX_WIDTH, TEXTBOX_HEIGHT, 1, global_ui_context.style.border); + } + else + { + cursor_tick++; + render_rectangle(x, y, TEXTBOX_WIDTH, TEXTBOX_HEIGHT, global_ui_context.style.textbox_background); + render_rectangle_outline(x, y, TEXTBOX_WIDTH, TEXTBOX_HEIGHT, 1, global_ui_context.style.textbox_active_border); + } + + // calculate scissor rectangle for text + if (global_ui_context.layout.scroll->in_scroll) + { + s32 scissor_x = x+3; + s32 scissor_y = global_ui_context.layout.scroll->y; + s32 scissor_w = TEXTBOX_WIDTH-5; + s32 scissor_h = global_ui_context.layout.scroll->height - 2; + + render_set_scissor(global_ui_context.layout.active_window, scissor_x, + scissor_y, scissor_w, scissor_h); + } + else + { + s32 scissor_x = x - global_ui_context.camera->x+3; + s32 scissor_y = y - global_ui_context.camera->y; + s32 scissor_w = TEXTBOX_WIDTH-5; + s32 scissor_h = TEXTBOX_HEIGHT; + + render_set_scissor(global_ui_context.layout.active_window, + scissor_x, scissor_y, scissor_w, scissor_h); + } + + s32 cursor_text_w; + + // select first character on click + if (clicked_to_set_cursor) + { + global_ui_context.keyboard->cursor = calculate_cursor_position(global_ui_context.font_small, + state->buffer, mouse_x + state->diff - text_x); + + state->last_click_cursor_index = global_ui_context.keyboard->cursor; + state->attempting_to_select = true; + + global_ui_context.keyboard->selection_begin_offset = global_ui_context.keyboard->cursor; + +#if 0 + global_ui_context.keyboard->has_selection = true; + global_ui_context.keyboard->selection_begin_offset = calculate_cursor_position(global_ui_context.font_small, + state->buffer, mouse_x + state->diff - text_x); + global_ui_context.keyboard->selection_length = 1; + state->selection_start_index = global_ui_context.keyboard->selection_begin_offset; +#endif + } + + if (state->state) + { + s32 len = utf8len(global_ui_context.keyboard->input_text); + s32 old_len = utf8len(state->buffer); + + // check if text changes, add to history if true + bool is_lctrl_down = global_ui_context.keyboard->keys[KEY_LEFT_CONTROL]; + + // go to previous state + if (is_lctrl_down && keyboard_is_key_pressed(global_ui_context.keyboard, KEY_Z) && state->history.length) + { + textbox_history_entry history_entry; + history_entry.text = mem_alloc(strlen(state->buffer)+1); + history_entry.cursor_offset = last_cursor_pos; + string_copyn(history_entry.text, state->buffer, MAX_INPUT_LENGTH); + array_push(&state->future, &history_entry); + + global_ui_context.keyboard->text_changed = true; + + textbox_history_entry *old_text = array_at(&state->history, state->history.length-1); + string_copyn(state->buffer, old_text->text, MAX_INPUT_LENGTH); + keyboard_set_input_text(global_ui_context.keyboard, state->buffer); + + mem_free(old_text->text); + array_remove_at(&state->history, state->history.length-1); + + global_ui_context.keyboard->cursor = old_text->cursor_offset; + } + else if (is_lctrl_down && + keyboard_is_key_pressed(global_ui_context.keyboard, KEY_Y) && state->future.length) + { + textbox_history_entry history_entry; + history_entry.text = mem_alloc(strlen(state->buffer)+1); + history_entry.cursor_offset = last_cursor_pos; + string_copyn(history_entry.text, state->buffer, MAX_INPUT_LENGTH); + array_push(&state->history, &history_entry); + + global_ui_context.keyboard->text_changed = true; + + textbox_history_entry *old_text = array_at(&state->future, state->future.length-1); + string_copyn(state->buffer, old_text->text, MAX_INPUT_LENGTH); + keyboard_set_input_text(global_ui_context.keyboard, state->buffer); + + mem_free(old_text->text); + array_remove_at(&state->future, state->future.length-1); + + global_ui_context.keyboard->cursor = old_text->cursor_offset; + } + else + { + if (global_ui_context.keyboard->text_changed) + { + if (last_cursor_pos != -1) + { + textbox_history_entry history_entry; + history_entry.text = mem_alloc(strlen(state->buffer)+1); + history_entry.cursor_offset = last_cursor_pos; + string_copyn(history_entry.text, state->buffer, MAX_INPUT_LENGTH); + array_push(&state->history, &history_entry); + } + } + + string_copyn(state->buffer, global_ui_context.keyboard->input_text, state->max_len); + + if (global_ui_context.keyboard->cursor > state->max_len) + { + global_ui_context.keyboard->cursor = state->max_len; + utf8_str_replace_at(global_ui_context.keyboard->input_text,global_ui_context.keyboard->cursor, 0); + } + } + + // cursor ticking after text change + if (last_cursor_pos != global_ui_context.keyboard->cursor || global_ui_context.keyboard->text_changed) + cursor_tick = 0; + + // draw cursor + cursor_text_w = calculate_text_width_upto(global_ui_context.font_small, + state->buffer, global_ui_context.keyboard->cursor); + + s32 text_w = calculate_text_width(global_ui_context.font_small, state->buffer); + +#if 1 + // change offset after cursor position change + if (!is_selecting && !global_ui_context.keyboard->has_selection && !state->attempting_to_select) + { + if (cursor_text_w < state->diff) + { + state->diff = cursor_text_w; + } + if (cursor_text_w - state->diff > TEXTBOX_WIDTH - 10) + { + state->diff = (cursor_text_w) - (TEXTBOX_WIDTH - 10); + } + } +#endif + + // make sure offset is recalculated when text changes or a portion of text is changed so the textbox doesnt end up half empty +#if 1 + if (!clicked_to_select && !clicked_to_set_cursor && !is_selecting && !global_ui_context.keyboard->has_selection && global_ui_context.keyboard->text_changed) + { + s32 max_offset_x = text_w - (TEXTBOX_WIDTH-10); + + if (state->diff > max_offset_x && max_offset_x > 0) + state->diff = max_offset_x; + else if ((cursor_text_w <= TEXTBOX_WIDTH -10)) + state->diff = 0; + +#if 0 + if ((state->diff+cursor_text_w > TEXTBOX_WIDTH -10) && (global_ui_context.keyboard->text_changed || global_ui_context.keyboard->cursor != last_cursor_pos)) + { + state->diff = cursor_text_w - TEXTBOX_WIDTH + 10; + } + else if ((state->diff+cursor_text_w <= TEXTBOX_WIDTH -10)) + { + state->diff = 0; + } +#endif + } +#endif + } + + s32 curr_index = calculate_cursor_position(global_ui_context.font_small, + state->buffer, mouse_x + state->diff - text_x); + + ////////////////////////////////// + { + if (curr_index != state->last_click_cursor_index && state->attempting_to_select) + { + clicked_to_select = true; + state->attempting_to_select = false; + } + } + + + // select first character on click + if (clicked_to_select) + { +#if 1 + global_ui_context.keyboard->has_selection = true; + //global_ui_context.keyboard->selection_begin_offset = calculate_cursor_position(global_ui_context.font_small, + //state->buffer, mouse_x + state->diff - text_x); + global_ui_context.keyboard->selection_length = 0; + state->selection_start_index = global_ui_context.keyboard->selection_begin_offset; + + state->selection_start_index--; +#endif + } + + +#if 1 + if (is_selecting) + { + // move text offset x when selecting so we can select more text than available on screen. + if (global_ui_context.mouse->x < x + 10) + { + s32 text_w = calculate_text_width(global_ui_context.font_small, state->buffer); + if (text_w > TEXTBOX_WIDTH-10) + { + state->diff -= TEXTBOX_SCROLL_X_SPEED; + if (state->diff < 0) state->diff = 0; + } + } + if (global_ui_context.mouse->x > x + TEXTBOX_WIDTH - 10) + { + s32 text_w = calculate_text_width(global_ui_context.font_small, state->buffer); + s32 diff = text_w - TEXTBOX_WIDTH + 10; + + if (text_w > TEXTBOX_WIDTH-10) + { + state->diff += TEXTBOX_SCROLL_X_SPEED; + if (state->diff > diff) + state->diff = diff; + } + } + /////////////////////////////////////////////////////////// + } +#endif + + // change selection area based on cursor position. + // if double clicked to select the entire textbox we should only + // do this when the mouse has moved enough to select a new character +#if 1 + if (is_selecting) + { + s32 index = calculate_cursor_position(global_ui_context.font_small, + state->buffer, mouse_x + state->diff - text_x)+1; + + if (double_clicked_to_select_first) + state->double_clicked_to_select_cursor_index = index; + + if (!state->double_clicked_to_select || (state->double_clicked_to_select && index != state->double_clicked_to_select_cursor_index)) + { + if (index <= state->selection_start_index+1) + { + global_ui_context.keyboard->selection_begin_offset = index - 1; + global_ui_context.keyboard->selection_length = state->selection_start_index - index + 2; + } + else if (index > state->selection_start_index) + { + global_ui_context.keyboard->selection_begin_offset = state->selection_start_index+1; + global_ui_context.keyboard->selection_length = index - state->selection_start_index-2; + } + + state->double_clicked_to_select = false; + } + } +#endif + + if (state->state) + { + last_cursor_pos = global_ui_context.keyboard->cursor; + } + + if (!has_text) + { + if (!state->state) + render_text(global_ui_context.font_small, text_x - state->diff, text_y, + placeholder, global_ui_context.style.textbox_placeholder_foreground); + else + render_text_with_cursor(global_ui_context.font_small, text_x - state->diff, text_y, + placeholder, global_ui_context.style.textbox_placeholder_foreground, global_ui_context.keyboard->cursor); + } + else + { + if (global_ui_context.keyboard->has_selection && state->state && global_ui_context.keyboard->selection_length) + render_text_with_selection(global_ui_context.font_small, text_x - state->diff, text_y, + state->buffer, global_ui_context.style.foreground, global_ui_context.keyboard->selection_begin_offset, + global_ui_context.keyboard->selection_length); + else if (state->state) + render_text_with_cursor(global_ui_context.font_small, text_x - state->diff, text_y, + state->buffer, global_ui_context.style.foreground, global_ui_context.keyboard->cursor); + else + render_text(global_ui_context.font_small, text_x - state->diff, text_y, + state->buffer, global_ui_context.style.foreground); + } + + ui_pop_scissor(); + //render_reset_scissor(); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += TEXTBOX_WIDTH + WIDGET_PADDING; + else + global_ui_context.layout.offset_y += TEXTBOX_HEIGHT + WIDGET_PADDING; + + return result || state->state; +} + +bool ui_push_hypertext_link(char *text) +{ + bool result = false; + + s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; + s32 text_x = x + WIDGET_PADDING; + s32 text_h = global_ui_context.font_small->px_h; + s32 text_y = y + (BLOCK_HEIGHT/2) - (global_ui_context.font_small->px_h/2) + spacing_y; + s32 total_w = calculate_text_width(global_ui_context.font_small, text) + + WIDGET_PADDING + WIDGET_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + + if (global_ui_context.layout.block_height < global_ui_context.font_small->px_h) + global_ui_context.layout.block_height = global_ui_context.font_small->px_h; + + color bg_color = global_ui_context.style.hypertext_foreground; + if (mouse_x >= text_x && mouse_x < text_x + total_w && mouse_y >= text_y && mouse_y < text_y+text_h && !global_ui_context.item_hovered) + { + if (is_left_clicked(global_ui_context.mouse)) + { + result = true; + } + bg_color = global_ui_context.style.hypertext_hover_foreground; + } + + s32 text_width = render_text(global_ui_context.font_small, text_x, text_y, text, bg_color); + + if (result) + render_rectangle(text_x, text_y + text_h+2, text_width, 1, bg_color); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w; + else + global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; + + return result; +} + +void ui_push_textf(font *f, char *text) +{ + s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; + s32 text_x = x + WIDGET_PADDING; + s32 text_y = y + (BLOCK_HEIGHT/2) - (f->px_h/2) + spacing_y; + s32 total_w = calculate_text_width(f, text) + + WIDGET_PADDING + WIDGET_PADDING; + + if (global_ui_context.layout.block_height < f->px_h) + global_ui_context.layout.block_height = f->px_h+5; + + render_text(f, text_x, text_y, text, global_ui_context.style.foreground); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w; + else + global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; +} + + +void ui_push_textf_width(font *f, char *text, s32 maxw) +{ + s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; + s32 text_x = x + WIDGET_PADDING; + s32 text_y = y + (BLOCK_HEIGHT/2) - (f->px_h/2) + spacing_y; + s32 total_w = maxw + + WIDGET_PADDING + WIDGET_PADDING; + maxw -= (WIDGET_PADDING*2); + if (global_ui_context.layout.block_height < f->px_h) + global_ui_context.layout.block_height = f->px_h+5; + + render_text_ellipsed(f, text_x, text_y, maxw, text, global_ui_context.style.foreground); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w; + else + global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; +} + + +void ui_push_text(char *text) +{ + s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; + s32 text_x = x + WIDGET_PADDING; + s32 text_y = y + (BLOCK_HEIGHT/2) - (global_ui_context.font_small->px_h/2) + spacing_y; + s32 total_w = calculate_text_width(global_ui_context.font_small, text) + + WIDGET_PADDING + WIDGET_PADDING; + + if (global_ui_context.layout.block_height < global_ui_context.font_small->px_h) + global_ui_context.layout.block_height = global_ui_context.font_small->px_h+5; + + render_text(global_ui_context.font_small, text_x, text_y, text, global_ui_context.style.foreground); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w; + else + global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; +} + +void ui_push_rect(s32 w, color c) +{ + s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); + s32 total_w = w + + WIDGET_PADDING + WIDGET_PADDING; + s32 h = BUTTON_HEIGHT; + + s32 virt_top = y; + s32 virt_bottom = y + TEXTBOX_HEIGHT; + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + if (global_ui_context.layout.block_height < h) + global_ui_context.layout.block_height = h; + + { + render_rectangle(x+WIDGET_PADDING,y,w,h,c); + } + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; +} + +bool ui_push_text_width(char *text, s32 maxw, bool active) +{ + bool result = false; + + s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; + s32 text_x = x + WIDGET_PADDING; + s32 h = BUTTON_HEIGHT; + s32 text_y = y + (BLOCK_HEIGHT/2) - (global_ui_context.font_small->px_h/2) + spacing_y; + s32 total_w = maxw + + WIDGET_PADDING + WIDGET_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + s32 virt_top = y; + s32 virt_bottom = y + h; + + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + if (global_ui_context.layout.block_height < global_ui_context.font_small->px_h) + global_ui_context.layout.block_height = global_ui_context.font_small->px_h+5; + maxw -= (WIDGET_PADDING*2); + if (active) + { + bool hovered = false; + if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) + { + hovered = true; + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + if (is_left_clicked(global_ui_context.mouse)) + { + result = true; + } + } + + if (hovered) + { + render_rectangle_outline(x-1,y+spacing_y,total_w, h, 1, global_ui_context.style.textbox_active_border); + } + } + + render_text_ellipsed(global_ui_context.font_small, text_x, text_y, maxw, text, global_ui_context.style.foreground); + + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; + + return result; +} + +bool ui_push_checkbox(checkbox_state *state, char *title) +{ + bool result = false; + + s32 spacing_y = (BLOCK_HEIGHT - CHECKBOX_SIZE)/2; + s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll() - spacing_y; + s32 text_x = x + CHECKBOX_SIZE + WIDGET_PADDING; + s32 text_y = y + (BLOCK_HEIGHT/2) - (global_ui_context.font_small->px_h/2) + spacing_y; + s32 total_w = calculate_text_width(global_ui_context.font_small, title) + + CHECKBOX_SIZE + WIDGET_PADDING + WIDGET_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + + if (global_ui_context.layout.block_height < CHECKBOX_SIZE) + global_ui_context.layout.block_height = CHECKBOX_SIZE; + + render_rectangle_outline(x, y, CHECKBOX_SIZE, CHECKBOX_SIZE, 1, global_ui_context.style.border); + + s32 virt_top = y; + s32 virt_bottom = y + CHECKBOX_SIZE; + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + if (mouse_x >= x && mouse_x < x + CHECKBOX_SIZE && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) + { + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + if (is_left_clicked(global_ui_context.mouse)) + { + state->state = !state->state; + result = true; + } + } + + if (state->state) + { + s32 spacing = 2; + render_rectangle(x+spacing, y+spacing, CHECKBOX_SIZE-(spacing*2), CHECKBOX_SIZE-(spacing*2), global_ui_context.style.border); + } + + render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w; + else + global_ui_context.layout.offset_y += CHECKBOX_SIZE + WIDGET_PADDING; + + return result; +} + +inline bool is_shortcut_down(s32 shortcut_keys[2]) +{ + return keyboard_is_key_down(global_ui_context.keyboard, shortcut_keys[0]) && + keyboard_is_key_pressed(global_ui_context.keyboard, shortcut_keys[1]); +} + +bool ui_push_menu_item(char *title, char *shortcut) +{ + bool result = false; + + set_render_depth(30); + + global_ui_context.menu_item_count++; + + s32 x = global_ui_context.layout.prev_offset_x + global_ui_context.camera->x; + s32 w = MENU_ITEM_WIDTH; + s32 text_h = global_ui_context.font_small->px_h; + s32 h = MENU_BAR_HEIGHT; + s32 y = global_ui_context.layout.offset_y + (global_ui_context.menu_item_count * h)+1 + + global_ui_context.layout.menu_offset_y + global_ui_context.camera->y; + s32 text_y = y - (text_h / 2) + (h / 2); + s32 text_x = x + MENU_HORIZONTAL_PADDING; + s32 text_2_x = x + w - MENU_HORIZONTAL_PADDING + - calculate_text_width(global_ui_context.font_small, shortcut); + + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + + if (global_ui_context.layout.block_height < h) + global_ui_context.layout.block_height = h; + + color bg_color = global_ui_context.style.menu_background; + + if ((mouse_x >= x && mouse_x < x + w && mouse_y >= y && mouse_y < y + h)) + { + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + bg_color = global_ui_context.style.menu_hover_background; + global_ui_context.item_hovered = true; + + if (is_left_clicked(global_ui_context.mouse)) + { + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + result = true; + } + } + + render_rectangle(x, y, w, h, bg_color); + render_rectangle(x, y+MENU_BAR_HEIGHT, w, 1, global_ui_context.style.border); + + // borders + render_rectangle(x, y, w, 1, bg_color); + render_rectangle(x, y, 1, MENU_BAR_HEIGHT, global_ui_context.style.border); + render_rectangle(x+w, y, 1, MENU_BAR_HEIGHT+1, global_ui_context.style.border); + + render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); + render_text(global_ui_context.font_small, text_2_x, text_y, shortcut, global_ui_context.style.foreground); + + set_render_depth(1); + + return result; +} + +bool ui_push_image(image *img, s32 w, s32 h, s32 outline, color tint) +{ + bool result = false; + + if (!img->loaded) return result; + + s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); + s32 total_w = w; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + + if (global_ui_context.layout.block_height < h) + global_ui_context.layout.block_height = h; + + s32 virt_top = y; + s32 virt_bottom = y + h; + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) + { + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + + if (is_left_clicked(global_ui_context.mouse)) + { + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + } + if (is_left_released(global_ui_context.mouse)) + { + result = true; + } + } + + render_image_tint(img,x,y,w,h,global_ui_context.style.image_outline_tint); + render_image_tint(img,x+outline,y+outline,w-(outline*2),h-(outline*2),tint); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; + + return result; +} + +bool ui_push_button(button_state *state, char *title) +{ + bool result = false; + + s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); + s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); + s32 total_w = calculate_text_width(global_ui_context.font_small, title) + + BUTTON_HORIZONTAL_TEXT_PADDING + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + s32 h = BUTTON_HEIGHT; + + if (global_ui_context.layout.block_height < h) + global_ui_context.layout.block_height = h; + + color bg_color = global_ui_context.style.widget_background; + + s32 virt_top = y; + s32 virt_bottom = y + h; + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) + { + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + bg_color = global_ui_context.style.widget_hover_background; + + if (is_left_clicked(global_ui_context.mouse)) + { + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + state->state = 1; + } + if (is_left_released(global_ui_context.mouse) && state->state) + { + state->state = 0; + result = true; + } + } + if (is_left_released(global_ui_context.mouse)) + { + //state->state = 0; + } + + render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); + render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); + render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; + + return result; +} + +bool ui_push_button_image_with_confirmation(button_state *state, char *title, image *img) +{ + bool result = false; + u32 id = ui_get_id(); + + s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); + s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); + s32 text_w = calculate_text_width(global_ui_context.font_small, title); + s32 total_w = text_w + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + s32 h = BUTTON_HEIGHT; + bool confirming = global_ui_context.confirming_button_id == id; + + if (title[0] == 0) + { + total_w = 0; + } + + color bg_color; + color border_color; + + if (confirming) + { + bg_color = global_ui_context.style.widget_confirm_background; + border_color = global_ui_context.style.widget_confirm_border; + } + else + { + bg_color = global_ui_context.style.widget_background; + border_color = global_ui_context.style.border; + } + + if (global_ui_context.layout.block_height < h) + global_ui_context.layout.block_height = h; + + int icon_w = 1; + int icon_h = 1; + if (img->loaded) + { + float max_icon_size = BUTTON_HEIGHT - (BUTTON_IMAGE_PADDING*2); + float scale = 1.0f; + if (img->width >= img->height) + { + scale = img->width / max_icon_size; + + icon_w = img->width / scale; + icon_h = icon_w; + } + else if (img->height >= img->width) + { + scale = img->height / max_icon_size; + + icon_h = img->height / scale; + icon_w = icon_h; + } + + total_w += icon_w + (BUTTON_IMAGE_SPACING*2); + } + + s32 virt_top = y; + s32 virt_bottom = y + h; + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) + { + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + + if (confirming) + bg_color = global_ui_context.style.widget_confirm_hover_background; + else + bg_color = global_ui_context.style.widget_hover_background; + + if (is_left_clicked(global_ui_context.mouse)) + { + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + state->state = 1; + + if (confirming) + { + result = true; + global_ui_context.confirming_button_id = -1; + } + } + if (is_left_released(global_ui_context.mouse) && (state->state || confirming)) + { + state->state = 0; + + if (!confirming) + { + global_ui_context.confirming_button_id = id; + } + } + } + else + { + if (is_left_clicked(global_ui_context.mouse) && confirming) + { + global_ui_context.confirming_button_id = -1; + } + } + + if (is_left_released(global_ui_context.mouse)) + { + state->state = 0; + } + + render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); + render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, border_color); + render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); + render_image(img, x + total_w - icon_w - BUTTON_IMAGE_SPACING, y + BUTTON_IMAGE_PADDING, img->width, img->height); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; + + return result; +} + +bool ui_push_button_image(button_state *state, char *title, image *img) +{ + bool result = false; + + s32 x = global_ui_context.layout.offset_x + WIDGET_PADDING + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y + ui_get_scroll(); + s32 text_x = x + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 text_y = y + (BUTTON_HEIGHT/2) - (global_ui_context.font_small->px_h/2); + s32 text_w = calculate_text_width(global_ui_context.font_small, title); + s32 total_w = text_w + BUTTON_HORIZONTAL_TEXT_PADDING; + s32 mouse_x = global_ui_context.mouse->x + global_ui_context.camera->x; + s32 mouse_y = global_ui_context.mouse->y + global_ui_context.camera->y; + s32 h = BUTTON_HEIGHT; + + if (title[0] == 0) + { + total_w = 0; + } + + color bg_color = global_ui_context.style.widget_background; + + if (global_ui_context.layout.block_height < h) + global_ui_context.layout.block_height = h; + + int icon_w = 1; + int icon_h = 1; + if (img->loaded) + { + float max_icon_size = BUTTON_HEIGHT - (BUTTON_IMAGE_PADDING*2); + float scale = 1.0f; + if (img->width >= img->height) + { + scale = img->width / max_icon_size; + + icon_w = img->width / scale; + icon_h = icon_w; + } + else if (img->height >= img->width) + { + scale = img->height / max_icon_size; + + icon_h = img->height / scale; + icon_w = icon_h; + } + + total_w += icon_w + (BUTTON_IMAGE_SPACING*2); + } + + s32 virt_top = y; + s32 virt_bottom = y + h; + if (global_ui_context.layout.scroll->in_scroll) + { + s32 bottom = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + if (bottom < virt_bottom) + virt_bottom = bottom; + s32 top = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + if (top > virt_top) + virt_top = top; + } + + if (mouse_x >= x && mouse_x < x + total_w && mouse_y >= virt_top && mouse_y < virt_bottom && !global_ui_context.item_hovered) + { + platform_set_cursor(global_ui_context.layout.active_window, CURSOR_POINTER); + bg_color = global_ui_context.style.widget_hover_background; + + if (is_left_clicked(global_ui_context.mouse)) + { + global_ui_context.mouse->left_state &= ~MOUSE_CLICK; + state->state = 1; + } + if (is_left_released(global_ui_context.mouse) && state->state) + { + state->state = 0; + result = true; + } + } + if (is_left_released(global_ui_context.mouse)) + { + state->state = 0; + } + + render_rectangle(x, y, total_w, BUTTON_HEIGHT, bg_color); + render_rectangle_outline(x, y, total_w, BUTTON_HEIGHT, 1, global_ui_context.style.border); + render_text(global_ui_context.font_small, text_x, text_y, title, global_ui_context.style.foreground); + render_image(img, x + total_w - icon_w - BUTTON_IMAGE_SPACING, y + BUTTON_IMAGE_PADDING, img->width, img->height); + + if (global_ui_context.layout.layout_direction == LAYOUT_HORIZONTAL) + global_ui_context.layout.offset_x += total_w + WIDGET_PADDING; + else + global_ui_context.layout.offset_y += BUTTON_HEIGHT + WIDGET_PADDING; + + return result; +} + +inline void ui_end_menu_bar() +{ + global_ui_context.layout.layout_direction = LAYOUT_VERTICAL; + global_ui_context.layout.offset_x = 0; + global_ui_context.layout.offset_y += MENU_BAR_HEIGHT; + + //ui_push_separator(); +} + +inline void ui_destroy() +{ + array_destroy(&global_ui_context.active_menus); +} + +void ui_scroll_begin(scroll_state *state) +{ + global_ui_context.layout.scroll = state; + global_ui_context.layout.scroll->in_scroll = true; + //global_ui_context.layout.scroll->height = height; + + s32 w = global_ui_context.layout.width; + s32 h = state->height; + s32 x = global_ui_context.layout.offset_x + global_ui_context.camera->x; + s32 y = global_ui_context.layout.offset_y + global_ui_context.camera->y - WIDGET_PADDING; + + state->width = w; + state->height = h; + state->x = x; + state->y = y; + + //global_ui_context.layout.offset_x += WIDGET_PADDING; + global_ui_context.layout.start_offset_x = global_ui_context.layout.offset_x; + //global_ui_context.layout.offset_y += WIDGET_PADDING; + global_ui_context.layout.scroll->scroll_start_offset_y = global_ui_context.layout.offset_y; + + //render_rectangle_outline(x, y, w, h, 1, global_ui_context.style.border); + render_set_scissor(global_ui_context.layout.active_window, x, y, w, h); +} + +void ui_scroll_end() +{ + s32 max_scroll = (global_ui_context.layout.scroll->scroll_start_offset_y - + global_ui_context.layout.offset_y) + global_ui_context.layout.scroll->height; + + //global_ui_context.layout.offset_x -= WIDGET_PADDING; + global_ui_context.layout.offset_y = global_ui_context.layout.scroll->scroll_start_offset_y + global_ui_context.layout.scroll->height; + global_ui_context.layout.offset_y += WIDGET_PADDING; + + // draw scrollbar + if (max_scroll < 0) + { + s32 scroll_w = 14; + + if (global_ui_context.mouse->x >= global_ui_context.layout.scroll->x && + global_ui_context.mouse->x <= global_ui_context.layout.scroll->x+global_ui_context.layout.scroll->width && + global_ui_context.mouse->y >= global_ui_context.layout.scroll->y && + global_ui_context.mouse->y <= global_ui_context.layout.scroll->y+global_ui_context.layout.scroll->height) + { + s32 scroll_y = 0; + if (global_ui_context.mouse->scroll_state == SCROLL_UP) + scroll_y+=SCROLL_SPEED; + if (global_ui_context.mouse->scroll_state == SCROLL_DOWN) + scroll_y-=SCROLL_SPEED; + global_ui_context.layout.scroll->scroll += scroll_y; + } + + if (global_ui_context.layout.scroll->scroll > 0) + global_ui_context.layout.scroll->scroll = 0; + if (global_ui_context.layout.scroll->scroll < max_scroll) + global_ui_context.layout.scroll->scroll = max_scroll; + + float percentage = global_ui_context.layout.scroll->scroll / + (float)max_scroll; + + float scrollbar_height_percentage = -(max_scroll - global_ui_context.layout.scroll->height) / (float)global_ui_context.layout.scroll->height; + + s32 scrollbar_height = (global_ui_context.layout.scroll->height / scrollbar_height_percentage); + s32 scrollbar_pos_y = global_ui_context.layout.scroll->scroll_start_offset_y - WIDGET_PADDING; + + s32 tw = global_ui_context.layout.width - WIDGET_PADDING*2; + s32 tx = global_ui_context.layout.offset_x + global_ui_context.camera->x + WIDGET_PADDING; + + s32 scrollbar_pos_x = tx + tw + WIDGET_PADDING - scroll_w; + + scrollbar_pos_y += (global_ui_context.layout.scroll->height - + scrollbar_height) * percentage; + if (is_left_clicked(global_ui_context.mouse) && + global_ui_context.mouse->x >= scrollbar_pos_x && global_ui_context.mouse->x <= scrollbar_pos_x + scroll_w && + global_ui_context.mouse->y >= global_ui_context.layout.scroll->y && global_ui_context.mouse->y <= global_ui_context.layout.scroll->y + global_ui_context.layout.scroll->height) + { + global_ui_context.layout.scroll->mouse_scrolling = true; + } + else if (is_left_released(global_ui_context.mouse)) + { + global_ui_context.layout.scroll->mouse_scrolling = false; + } + //render_reset_scissor(); + if (global_ui_context.layout.scroll->mouse_scrolling) + { + float mouse_percentage = (global_ui_context.mouse->y-global_ui_context.layout.scroll->y-(scrollbar_height/2))/ + (float)(global_ui_context.layout.scroll->height-(scrollbar_height)); + + global_ui_context.layout.scroll->scroll = (s32)(mouse_percentage * max_scroll); + if (global_ui_context.layout.scroll->scroll > 0) global_ui_context.layout.scroll->scroll = 0; + if (global_ui_context.layout.scroll->scroll < max_scroll) + global_ui_context.layout.scroll->scroll = max_scroll; + } + + { + // scroll background + render_rectangle(scrollbar_pos_x,global_ui_context.layout.scroll->y, + scroll_w,global_ui_context.layout.scroll->height,global_ui_context.style.scrollbar_background); + + render_rectangle_outline(scrollbar_pos_x,global_ui_context.layout.scroll->y-1, + scroll_w,global_ui_context.layout.scroll->height+2, 1, + global_ui_context.style.border); + + // scrollbar + render_rectangle(scrollbar_pos_x, scrollbar_pos_y-1, + scroll_w,scrollbar_height+2,global_ui_context.style.scrollbar_handle_background); + + render_rectangle_outline(scrollbar_pos_x, scrollbar_pos_y-1, + scroll_w,scrollbar_height+2, 1, + global_ui_context.style.border); + + //render_rectangle(scrollbar_pos_x, scrollbar_pos_y, 10, scrollbar_height, global_ui_context.style.scrollbar_handle_background); + } + } + render_reset_scissor(); + global_ui_context.layout.scroll->in_scroll = false; +} -- cgit v1.2.3-70-g09d2