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64 lines
1.2 KiB
64 lines
1.2 KiB
2 years ago
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/**
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* TODO file description
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*/
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#ifndef ZAVLAHA_APP_GUI_H
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#define ZAVLAHA_APP_GUI_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <pico/time.h>
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#include "gui_event.h"
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#include "lcd/lcdbuf.h"
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/// Temporary scratch buffer
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extern char stmp[100];
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extern struct LcdBuffer lcd;
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/**
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* Screen callback type. The event is either INIT, PAINT, or one of the input events.
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*/
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typedef void (*screen_t)(GuiEvent event);
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static inline uint32_t timestamp() {
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return to_ms_since_boot(get_absolute_time());
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}
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/** Input beep (push or knob turn) */
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void input_sound_effect();
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void gui_loop_iter(GuiEvent message);
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void gui_init();
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/** Switch to a different screen. Handles initial push state handling (so release
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* does not cause a "click" event).
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*
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* @param pScreen - screen to switch to
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* @param init - call the INIT event immediately after
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*/
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void switch_screen(screen_t pScreen, bool init);
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void request_paint();
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// prototypes for screen handlers
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void screen_home(GuiEvent event);
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// XXX other prototypes
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struct State {
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/// Repaint was requested from the screen code
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bool paint_needed;
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/// Pointer to the currently active screen func
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screen_t screen;
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uint32_t last_tick_time;
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};
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extern struct State s_app;
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#endif //ZAVLAHA_APP_GUI_H
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