unleashed-firmware/applications/services/gui/gui.h

111 lines
2.9 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 {
GuiLayerDesktop, /**< Desktop layer for internal use. Like fullscreen but with status bar */
GuiLayerWindow, /**< Window layer, status bar is shown */
GuiLayerStatusBarLeft, /**< Status bar left-side layer, auto-layout */
GuiLayerStatusBarRight, /**< Status bar right-side layer, auto-layout */
GuiLayerFullscreen, /**< Fullscreen layer, no status bar */
GuiLayerMAX /**< Don't use or move, special value */
} GuiLayer;
/** Gui Canvas Commit Callback */
typedef void (*GuiCanvasCommitCallback)(uint8_t* data, size_t size, void* context);
#define RECORD_GUI "gui"
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);
/** Add 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_add_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context);
/** Remove gui canvas commit callback
*
* @param gui Gui instance
* @param callback GuiCanvasCommitCallback
* @param context GuiCanvasCommitCallback context
*/
void gui_remove_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context);
/** Get gui canvas frame buffer size
* *
* @param gui Gui instance
* @return size_t size of frame buffer in bytes
*/
size_t gui_get_framebuffer_size(Gui* gui);
/** Set lockdown mode
*
* When lockdown mode is enabled, only GuiLayerDesktop is shown.
* This feature prevents services from showing sensitive information when flipper is locked.
*
* @param gui Gui instance
* @param lockdown bool, true if enabled
*/
void gui_set_lockdown(Gui* gui, bool lockdown);
#ifdef __cplusplus
}
#endif