1 files changed, 130 insertions, 0 deletions
diff --git a/project-base/src/ui.h b/project-base/src/ui.h
new file mode 100644
index 0000000..9f9528f
--- /dev/null
+++ b/project-base/src/ui.h
@@ -0,0 +1,130 @@
+/* 
+*  BSD 2-Clause “Simplified” License
+*  Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com
+*  All rights reserved.
+*/
+
+#ifndef INCLUDE_UI
+#define INCLUDE_UI
+
+#define TOOLBAR_ITEM_PADDING_W 10
+#define TOOLBAR_ITEM_PADDING_OPTION_H 6
+
+#define INTERACTIVE_ELEMENT_MARGIN_W 3
+#define INTERACTIVE_ELEMENT_MARGIN_H 3
+
+#define DRAG_BAR_SIZE 8
+#define TOOLBAR_ITEM_OPTION_W 300
+#define BUTTON_PADDING_W 30
+#define BUTTON_PADDING_H 8
+
+#define TOOLBAR_H 22
+
+typedef struct t_qui_style
+{
+	color widget_text;
+	color clear_color;
+	color collapse_color;
+
+	color widget_resize_bar_background;
+	color widget_panel_background;
+
+	color widget_background_static;
+	color widget_background_interactive_idle;
+	color widget_background_interactive_highlighted;
+	color widget_background_interactive_hovered;
+	color widget_background_interactive_selected_option;
+
+	color widget_border_outter_static;
+	color widget_border_outter_idle;
+	color widget_border_outter_highlighted;
+	color widget_border_outter_hovered;
+
+	color widget_border_inner_idle;
+	color widget_border_inner_highlighted;
+	color widget_border_inner_hovered;
+} qui_style;
+
+typedef enum t_qui_widget_type 
+{
+	WIDGET_MAIN,
+
+	// Interactive elements.
+	WIDGET_BUTTON,
+	WIDGET_TOOLBAR,
+	WIDGET_TOOLBAR_ITEM,
+	WIDGET_TOOLBAR_ITEM_OPTION,
+
+	// Layout elements.
+	WIDGET_VERTICAL_LAYOUT,
+	WIDGET_FIXED_CONTAINER,
+	WIDGET_SIZE_CONTAINER,
+	WIDGET_FLEX_CONTAINER,
+} qui_widget_type;
+
+typedef enum t_qui_widget_state 
+{
+	IDLE,
+	DOWN,
+	HOVERED,
+	OPEN,
+} qui_widget_state;
+
+typedef struct t_qui_size_container
+{
+	enum {
+		TOP,
+		RIGHT,
+		BOTTOM,
+		LEFT,
+	} direction;
+} qui_size_container;
+
+typedef struct t_qui_flex_container
+{
+	u8 flex;
+} qui_flex_container;
+
+typedef struct t_qui_button 
+{
+	char* text;
+	qui_widget_state state;
+} qui_button;
+
+typedef struct t_qui_toolbar_item 
+{
+	char* text;
+	qui_widget_state state;
+} qui_toolbar_item;
+
+typedef struct t_qui_widget 
+{
+	array children;
+	array special_children; // Only used by master widget.
+	struct t_qui_widget* parent;
+	u16 width;
+	u16 height;
+	s16 x;
+	s16 y;
+	u8 margin_x;
+	u8 margin_y;
+	qui_widget_type type;
+	u8* data; // Widget specific data.
+} qui_widget;
+
+qui_style active_ui_style;
+
+qui_widget* qui_setup();
+qui_widget* qui_create_button(qui_widget* qui, char* text);
+qui_widget* qui_create_toolbar(qui_widget* qui);
+qui_widget* qui_create_toolbar_item(qui_widget* toolbar, char* text);
+qui_widget* qui_create_toolbar_item_option(qui_widget* qui, char* text);
+qui_widget* qui_create_vertical_layout(qui_widget* qui); // Vertical layout always fills their entire parent!
+qui_widget* qui_create_fixed_container(qui_widget* qui, u16 size); // When placed in vertical layout, size = height, else size = width
+qui_widget* qui_create_size_container(qui_widget* qui, u8 dir, u16 start_size);
+qui_widget* qui_create_flex_container(qui_widget* qui, u8 flex);
+
+void qui_render(platform_window* window, qui_widget* qui);
+void qui_update(platform_window* window, qui_widget* qui);
+
+#endif
+\ No newline at end of file