diff options
Diffstat (limited to 'src/ui.c')
| -rw-r--r-- | src/ui.c | 3527 |
1 files changed, 1768 insertions, 1759 deletions
@@ -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;
+}
|
