31 lines
		
	
	
		
			841 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			841 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #pragma once
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| 
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| #include <input/input.h>
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| 
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| typedef struct GUI GUI;
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| typedef struct Canvas Canvas;
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| 
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| typedef struct {
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|     void* gui;
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|     bool is_enabled;
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|     WidgetDrawCallback draw_callback;
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|     void* draw_callback_context;
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|     WidgetInputCallback input_callback;
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|     void* input_callback_context;
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| } Widget;
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| 
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| typedef void (*WidgetDrawCallback)(Canvas* canvas, void* context);
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| typedef void (*WidgetInputCallback)(InputEvent* event, void* context);
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| 
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| Widget* widget_alloc();
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| void widget_free(Widget* widget);
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| 
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| void widget_enabled_set(Widget* widget, bool enabled);
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| bool widget_is_enabled(Widget* widget);
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| 
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| void widget_draw_callback_set(Widget* widget, WidgetDrawCallback callback, void* context);
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| void widget_input_callback_set(Widget* widget, WidgetInputCallback callback, void* context);
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| 
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| // emit update signal
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| void widget_update(Widget* widget);
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