61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
#ifndef __WIDGET_H
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#define __WIDGET_H
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#include "common/queue.h"
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struct widget_t;
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#define EV_WIDGET_NONE 0
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#define EV_WIDGET_CREATE 1
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#define EV_WIDGET_DESTROY 2
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#define EV_WIDGET_DRAW 3
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#define EV_WIDGET_REDRAW 4
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#define EV_WIDGET_TIMER 5
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#define EV_WIDGET_TOUCH_UP 6 // struct mgos_stmpe610_event_data *
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#define EV_WIDGET_TOUCH_DOWN 7 // struct mgos_stmpe610_event_data *
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enum widget_type_t {
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WIDGET_TYPE_NONE =0,
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WIDGET_TYPE_MQTT_BUTTON =1,
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WIDGET_TYPE_LOADSCREEN =2,
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};
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typedef void (*widget_event_fn)(int ev, struct widget_t *w, void *ev_data);
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struct widget_t {
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char *name;
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uint16_t x, y, w, h;
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enum widget_type_t type;
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char *label;
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char *img;
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uint32_t timer_msec; // 0 to disable
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widget_event_fn handler; // Event callback for this widget
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void *user_data; // User supplied data
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// Private
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mgos_timer_id _timer_id;
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uint8_t create_called;
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};
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struct widget_list_t {
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struct widget_t *widget;
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SLIST_ENTRY(widget_list_t) entries;
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};
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struct widget_t *widget_create(char *name, uint16_t x, uint16_t y, uint16_t w, uint16_t h);
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void widget_set_handler(struct widget_t *w, widget_event_fn handler);
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void widget_delete_handler(struct widget_t *w);
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void widget_set_timer(struct widget_t *w, uint32_t timer_msec);
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void widget_delete_timer(struct widget_t *w);
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struct widget_t *widget_create_from_json(const char *json);
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struct widget_t *widget_create_from_file(const char *fn);
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void widget_destroy(struct widget_t **widget);
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// Convert ev in EV_WIDGET_* to string
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void widget_ev_to_str(int ev, char *s, int slen);
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#endif // __WIDGET_H
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