* Rpc: reserve some bandwidth when screen streaming * Move furi_hal_compress to toolbox/comporess * Lib: heatshrink as external submodule, compile warnings fixes, better buffer management * Lib: cleanup compressor definitions * Rpc: add canvas orientation support * Format Sources
		
			
				
	
	
		
			138 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/**
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 * @file gui.h
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 * GUI: main API
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 */
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#pragma once
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#include "view_port.h"
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#include "canvas.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Gui layers */
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typedef enum {
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    GuiLayerDesktop, /**< Desktop layer for internal use. Like fullscreen but with status bar */
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    GuiLayerWindow, /**< Window layer, status bar is shown */
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    GuiLayerStatusBarLeft, /**< Status bar left-side layer, auto-layout */
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    GuiLayerStatusBarRight, /**< Status bar right-side layer, auto-layout */
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    GuiLayerFullscreen, /**< Fullscreen layer, no status bar */
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    GuiLayerMAX /**< Don't use or move, special value */
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} GuiLayer;
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/** Gui Canvas Commit Callback */
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typedef void (*GuiCanvasCommitCallback)(
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    uint8_t* data,
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    size_t size,
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    CanvasOrientation orientation,
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    void* context);
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#define RECORD_GUI "gui"
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typedef struct Gui Gui;
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/** Add view_port to view_port tree
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 *
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 * @remark     thread safe
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 *
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 * @param      gui        Gui instance
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 * @param      view_port  ViewPort instance
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 * @param[in]  layer      GuiLayer where to place view_port
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 */
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void gui_add_view_port(Gui* gui, ViewPort* view_port, GuiLayer layer);
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/** Remove view_port from rendering tree
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 *
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 * @remark     thread safe
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 *
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 * @param      gui        Gui instance
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 * @param      view_port  ViewPort instance
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 */
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void gui_remove_view_port(Gui* gui, ViewPort* view_port);
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/** Send ViewPort to the front
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 *
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 * Places selected ViewPort to the top of the drawing stack
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 *
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 * @param      gui        Gui instance
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 * @param      view_port  ViewPort instance
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 */
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void gui_view_port_send_to_front(Gui* gui, ViewPort* view_port);
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/** Send ViewPort to the back
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 *
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 * Places selected ViewPort to the bottom of the drawing stack
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 *
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 * @param      gui        Gui instance
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 * @param      view_port  ViewPort instance
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 */
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void gui_view_port_send_to_back(Gui* gui, ViewPort* view_port);
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/** Add gui canvas commit callback
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 *
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 * This callback will be called upon Canvas commit Callback dispatched from GUI
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 * thread and is time critical
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 *
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 * @param      gui       Gui instance
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 * @param      callback  GuiCanvasCommitCallback
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 * @param      context   GuiCanvasCommitCallback context
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 */
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void gui_add_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context);
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/** Remove gui canvas commit callback
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 *
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 * @param      gui       Gui instance
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 * @param      callback  GuiCanvasCommitCallback
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 * @param      context   GuiCanvasCommitCallback context
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 */
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void gui_remove_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context);
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/** Get gui canvas frame buffer size
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 * *
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 * @param      gui       Gui instance
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 * @return     size_t    size of frame buffer in bytes
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 */
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size_t gui_get_framebuffer_size(const Gui* gui);
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/** Set lockdown mode
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 *
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 * When lockdown mode is enabled, only GuiLayerDesktop is shown.
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 * This feature prevents services from showing sensitive information when flipper is locked.
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 *
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 * @param      gui       Gui instance
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 * @param      lockdown  bool, true if enabled
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 */
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void gui_set_lockdown(Gui* gui, bool lockdown);
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/** Acquire Direct Draw lock and get Canvas instance
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 *
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 * This method return Canvas instance for use in monopoly mode. Direct draw lock
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 * disables input and draw call dispatch functions in GUI service. No other
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 * applications or services will be able to draw until gui_direct_draw_release
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 * call.
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 *
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 * @param      gui   The graphical user interface
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 *
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 * @return     Canvas instance
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 */
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Canvas* gui_direct_draw_acquire(Gui* gui);
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/** Release Direct Draw Lock
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 *
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 * Release Direct Draw Lock, enables Input and Draw call processing. Canvas
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 * acquired in gui_direct_draw_acquire will become invalid after this call.
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 *
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 * @param      gui   Gui instance
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 */
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void gui_direct_draw_release(Gui* gui);
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#ifdef __cplusplus
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}
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#endif
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