 1b78418f9f
			
		
	
	
		1b78418f9f
		
			
		
	
	
	
	
		
			
			* GUI: view. Flooper-blooper fix compilation error. * GUI: view and viewdispatcher bones * GUI: view implementation, view models, view dispatcher * GUI: view navigation, model refinement. Power: use view, view dispatcher. * HAL Flash: proper page write. Dolphin: views. Power: views * Dolphin: transition idle scree to Views * Dolphin: input events on stats view. Format sources. * HAL: flash erase. Dolphin: permanent state storage. * Dolphin: first start welcome. HAL: flash operation status, errata 2.2.9 crutch.
		
			
				
	
	
		
			130 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #pragma once
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| 
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| #include <input/input.h>
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| #include "canvas.h"
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| 
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| /* Hides drawing widget */
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| #define VIEW_NONE 0xFFFFFFFF
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| /* Ignore navigation event */
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| #define VIEW_IGNORE 0xFFFFFFFE
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| /* Deatch from gui, deallocate Views and ViewDispatcher
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|  * BE SUPER CAREFUL, deallocation happens automatically on GUI thread
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|  * You ARE NOT owning ViewDispatcher and Views instances
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|  */
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| #define VIEW_DESTROY 0xFFFFFFFA
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| 
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| /* View Draw callback
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|  * @param canvas, pointer to canvas
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|  * @param view_model, pointer to context
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|  * @warning called from GUI thread
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|  */
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| typedef void (*ViewDrawCallback)(Canvas* canvas, void* model);
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| 
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| /* View Input callback
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|  * @param event, pointer to input event data
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|  * @param context, pointer to context
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|  * @return true if event handled, false if event ignored
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|  * @warning called from GUI thread
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|  */
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| typedef bool (*ViewInputCallback)(InputEvent* event, void* context);
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| 
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| /* View navigation callback
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|  * @param context, pointer to context
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|  * @return next view id
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|  * @warning called from GUI thread
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|  */
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| typedef uint32_t (*ViewNavigationCallback)(void* context);
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| 
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| /* View model types */
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| typedef enum {
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|     /* Model is not allocated */
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|     ViewModelTypeNone,
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|     /* Model consist of atomic types and/or partial update is not critical for rendering.
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|      * Lock free.
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|      */
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|     ViewModelTypeLockFree,
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|     /* Model access is guarded with mutex.
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|      * Locking gui thread.
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|      */
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|     ViewModelTypeLocking,
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| } ViewModelType;
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| 
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| typedef struct View View;
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| 
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| /* Allocate and init View
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|  * @return pointer to View
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|  */
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| View* view_alloc();
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| 
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| /* Free View
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|  * @param pointer to View
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|  */
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| void view_free(View* view);
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| 
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| /* Set View Draw callback
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|  * @param view, pointer to View
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|  * @param callback, draw callback
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|  */
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| void view_set_draw_callback(View* view, ViewDrawCallback callback);
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| 
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| /* Set View Draw callback
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|  * @param view, pointer to View
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|  * @param callback, input callback
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|  */
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| void view_set_input_callback(View* view, ViewInputCallback callback);
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| 
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| /* Set Navigation Previous callback
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|  * @param view, pointer to View
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|  * @param callback, input callback
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|  */
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| void view_set_previous_callback(View* view, ViewNavigationCallback callback);
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| 
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| /* Set Navigation Next callback
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|  * @param view, pointer to View
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|  * @param callback, input callback
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|  */
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| void view_set_next_callback(View* view, ViewNavigationCallback callback);
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| 
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| /* Set View Draw callback
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|  * @param view, pointer to View
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|  * @param context, context for callbacks
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|  */
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| void view_set_context(View* view, void* context);
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| 
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| /* Allocate view model.
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|  * @param view, pointer to View
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|  * @param type, View Model Type
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|  * @param size, size
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|  */
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| void view_allocate_model(View* view, ViewModelType type, size_t size);
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| 
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| /* Free view model data memory.
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|  * @param view, pointer to View
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|  */
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| void view_free_model(View* view);
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| 
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| /* Get view model data
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|  * @param view, pointer to View
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|  * @return pointer to model data
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|  * @warning Don't forget to commit model changes
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|  */
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| void* view_get_model(View* view);
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| 
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| /* Commit view model
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|  * @param view, pointer to View
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|  */
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| void view_commit_model(View* view);
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| 
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| /* 
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|  * With clause for view model
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|  * @param view, View instance pointer
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|  * @param function_body a (){} lambda declaration,
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|  * executed within you parent function context.
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|  */
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| #define with_view_model(view, function_body)        \
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|     {                                               \
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|         void* p = view_get_model(view);             \
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|         ({ void __fn__ function_body __fn__; })(p); \
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|         view_commit_model(view);                    \
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|     }
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