unleashed-firmware/applications/gui/gui.h
あく 89a6c09a7a
[FL-1906] Documentation: add Doxyfile, prepare sources for doxygen. (#741)
* Documentation: add Doxyfile, prepare sources for doxygen.

* Update ReadMe and remove obsolete CLA

* Add contribution guide

* Contributing: update text

* Correct spelling
2021-10-03 13:36:05 +03:00

88 lines
2.2 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_send_view_port_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_send_view_port_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
*/
void gui_set_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback);
/** Set gui canvas commit callback context
*
* @param gui Gui instance
* @param context pointer to context
*/
void gui_set_framebuffer_callback_context(Gui* gui, void* context);
#ifdef __cplusplus
}
#endif