flipperzero-firmware/applications/gui/widget.h
あく 1b78418f9f
FL-528 GUI: View, ViewDispather. Dolphin: first start. (#276)
* GUI: view. Flooper-blooper fix compilation error.
* GUI: view and viewdispatcher bones
* GUI: view implementation, view models, view dispatcher
* GUI: view navigation, model refinement. Power: use view, view dispatcher.
* HAL Flash: proper page write. Dolphin: views. Power: views
* Dolphin: transition idle scree to Views
* Dolphin: input events on stats view. Format sources.
* HAL: flash erase. Dolphin: permanent state storage.
* Dolphin: first start welcome. HAL: flash operation status, errata 2.2.9 crutch.
2021-01-08 10:42:48 +06:00

68 lines
1.7 KiB
C

#pragma once
#include <input/input.h>
#include "canvas.h"
typedef struct Widget Widget;
/*
* Widget Draw callback
* @warning called from GUI thread
*/
typedef void (*WidgetDrawCallback)(Canvas* canvas, void* context);
/*
* Widget Input callback
* @warning called from GUI thread
*/
typedef void (*WidgetInputCallback)(InputEvent* event, void* context);
/*
* Widget allocator
* always returns widget or stops system if not enough memory.
*/
Widget* widget_alloc();
/*
* Widget deallocator
* Ensure that widget was unregistered in GUI system before use.
*/
void widget_free(Widget* widget);
/*
* Set widget width.
* Will be used to limit canvas drawing area and autolayout feature.
* @param width - wanted width, 0 - auto.
*/
void widget_set_width(Widget* widget, uint8_t width);
uint8_t widget_get_width(Widget* widget);
/*
* Set widget height.
* Will be used to limit canvas drawing area and autolayout feature.
* @param height - wanted height, 0 - auto.
*/
void widget_set_height(Widget* widget, uint8_t height);
uint8_t widget_get_height(Widget* widget);
/*
* Enable or disable widget rendering.
* @param enabled.
*/
void widget_enabled_set(Widget* widget, bool enabled);
bool widget_is_enabled(Widget* widget);
/*
* Widget event callbacks
* @param callback - appropriate callback function
* @param context - context to pass to callback
*/
void widget_draw_callback_set(Widget* widget, WidgetDrawCallback callback, void* context);
void widget_input_callback_set(Widget* widget, WidgetInputCallback callback, void* context);
/*
* Emit update signal to GUI system.
* Rendering will happen later after GUI system process signal.
*/
void widget_update(Widget* widget);