unleashed-firmware/applications/gui/gui.h
あく 23f66c2cdd
[FL-878] Gui: screen streaming (#337)
* GUI: canvas streaming
* Fix right status bar icon alignment
2021-02-13 14:40:20 +03:00

69 lines
1.8 KiB
C

#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 frame buffer callback */
typedef void (*GuiCanvasCommitCallback)(uint8_t* data, size_t size, void* context);
typedef struct Gui Gui;
/*
* Add view_port to view_port tree
* @remarks thread safe
*/
void gui_add_view_port(Gui* gui, ViewPort* view_port, GuiLayer layer);
/*
* Remove view_port from rendering tree
* @remarks thread safe
*/
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