unleashed-firmware/applications/gui/gui.h
Anna Prosvetova 86bced5b2c
RPC: Screen streaming & Input injection (#794)
* RPC: Screen stream
* Move callback to rpc_screen, implement graceful stop
* RPC: Implement input injection
* Update protobuf submodule
* Gui: thread safe frame buffer callback setter.
* RPC: Keep gui record open

Co-authored-by: あく <alleteam@gmail.com>
2021-11-01 19:26:37 +03:00

82 lines
2.1 KiB
C

/**
* @file gui.h
* GUI: main API
*/
#pragma once
#include "view_port.h"
#include "canvas.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Gui layers */
typedef enum {
GuiLayerNone, /**< Special layer for internal use only */
GuiLayerStatusBarLeft, /**< Status bar left-side layer, auto-layout */
GuiLayerStatusBarRight, /**< Status bar right-side layer, auto-layout */
GuiLayerMain, /**< Main layer, status bar is shown */
GuiLayerFullscreen, /**< Fullscreen layer */
GuiLayerMAX /**< Don't use or move, special value */
} GuiLayer;
/** Gui Canvas Commit Callback */
typedef void (*GuiCanvasCommitCallback)(uint8_t* data, size_t size, void* context);
typedef struct Gui Gui;
/** Add view_port to view_port tree
*
* @remark thread safe
*
* @param gui Gui instance
* @param view_port ViewPort instance
* @param[in] layer GuiLayer where to place view_port
*/
void gui_add_view_port(Gui* gui, ViewPort* view_port, GuiLayer layer);
/** Remove view_port from rendering tree
*
* @remark thread safe
*
* @param gui Gui instance
* @param view_port ViewPort instance
*/
void gui_remove_view_port(Gui* gui, ViewPort* view_port);
/** Send ViewPort to the front
*
* Places selected ViewPort to the top of the drawing stack
*
* @param gui Gui instance
* @param view_port ViewPort instance
*/
void gui_view_port_send_to_front(Gui* gui, ViewPort* view_port);
/** Send ViewPort to the back
*
* Places selected ViewPort to the bottom of the drawing stack
*
* @param gui Gui instance
* @param view_port ViewPort instance
*/
void gui_view_port_send_to_back(Gui* gui, ViewPort* view_port);
/** Set gui canvas commit callback
*
* This callback will be called upon Canvas commit Callback dispatched from GUI
* thread and is time critical
*
* @param gui Gui instance
* @param callback GuiCanvasCommitCallback
* @param context GuiCanvasCommitCallback context
*/
void gui_set_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context);
#ifdef __cplusplus
}
#endif