0af239ebc0
* Menu: animation. Irukagotchi: idle image. * Power: battery, usb activity widget * Power: tune battery max voltage and clamp overshoot * get initial charge state Co-authored-by: Aleksandr Kutuzov <aku@plooks.com> Co-authored-by: aanper <mail@s3f.ru>
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
#pragma once
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#include <input/input.h>
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#include "canvas.h"
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typedef struct Widget Widget;
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typedef void (*WidgetDrawCallback)(CanvasApi* api, void* context);
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typedef void (*WidgetInputCallback)(InputEvent* event, void* context);
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/*
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* Widget allocator
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* always returns widget or stops system if not enough memory.
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*/
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Widget* widget_alloc();
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/*
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* Widget deallocator
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* Ensure that widget was unregistered in GUI system before use.
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*/
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void widget_free(Widget* widget);
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/*
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* Set widget width.
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* Will be used to limit canvas drawing area and autolayout feature.
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* @param width - wanted width, 0 - auto.
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*/
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void widget_set_width(Widget* widget, uint8_t width);
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uint8_t widget_get_width(Widget* widget);
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/*
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* Set widget height.
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* Will be used to limit canvas drawing area and autolayout feature.
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* @param height - wanted height, 0 - auto.
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*/
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void widget_set_height(Widget* widget, uint8_t height);
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uint8_t widget_get_height(Widget* widget);
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/*
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* Enable or disable widget rendering.
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* @param enabled.
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*/
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void widget_enabled_set(Widget* widget, bool enabled);
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bool widget_is_enabled(Widget* widget);
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/*
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* Widget event callbacks
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* @param callback - appropriate callback function
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* @param context - context to pass to callback
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*/
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void widget_draw_callback_set(Widget* widget, WidgetDrawCallback callback, void* context);
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void widget_input_callback_set(Widget* widget, WidgetInputCallback callback, void* context);
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/*
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* Emit update signal to GUI system.
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* Rendering will happen later after GUI system process signal.
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*/
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void widget_update(Widget* widget);
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