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// MIT License, Copyright (c) 2021 Marvin Borner
#ifndef GUI_H
#define GUI_H
#include <def.h>
#include <errno.h>
#include <libgui/gfx.h>
#include <sys.h>
#include <vec.h>
enum gui_listener {
GUI_LISTEN_MOUSEMOVE,
GUI_LISTEN_MOUSECLICK,
};
enum gui_layer {
GUI_LAYER_BG,
GUI_LAYER_FG,
};
enum gui_layout {
GUI_HLAYOUT, // New widgets get positioned right of previous widget
GUI_VLAYOUT, // New widgets get positioned under previous widget
};
struct gui_event_mouse {
u32 win;
u32 widget;
vec2 pos;
s8 scroll; // Dir: -1 neg, +1 pos
struct {
u8 left : 1;
u8 right : 1;
u8 middle : 1;
} but;
};
// Down here because of codependency stuff
#include <libgui/widgets.h>
/**
* Window operations
*/
u32 gui_window(const char *name);
u32 gui_window_custom(const char *name, vec2 pos, vec2 size);
void gui_window_redraw(u32 id);
void gui_window_redraw_plain(u32 id); // Without widgets
/**
* GFX wrappers
*/
void gui_clear(u32 win_id, u32 widget_id, enum gui_layer layer);
void gui_fill(u32 win_id, u32 widget_id, enum gui_layer layer, u32 c);
void gui_write(u32 win_id, u32 widget_id, enum gui_layer layer, vec2 pos, enum font_type font_type,
u32 c, const char *text);
void gui_draw_image(u32 win_id, u32 widget_id, enum gui_layer layer, vec2 pos, vec2 size,
const char *path) NONNULL;
void gui_draw_image_filter(u32 win_id, u32 widget_id, enum gui_layer layer, vec2 pos, vec2 size,
enum gfx_filter filter, const char *path) NONNULL;
void gui_draw_rectangle(u32 win_id, u32 widget_id, enum gui_layer layer, vec2 pos1, vec2 pos2,
u32 c);
void gui_draw_border(u32 win_id, u32 widget_id, enum gui_layer layer, u32 width, u32 c);
void gui_draw_line(u32 win_id, u32 widget_id, enum gui_layer layer, vec2 pos1, vec2 pos2, u32 scale,
u32 c);
/**
* Widget operations
*/
u32 gui_widget(u32 win_id, u32 widget_id, vec2 size);
u32 gui_widget_main(u32 win_id);
void gui_widget_listen(u32 win_id, u32 widget_id, enum gui_listener listener, u32 func);
void gui_widget_redraw(u32 win_id, u32 widget_id);
void gui_popup(const char *text);
/**
* Getters/setters
*/
vec2 gui_window_size(u32 win_id);
vec2 gui_widget_size(u32 win_id, u32 widget_id);
struct gfx_context *gui_widget_context(u32 win_id, u32 widget_id, enum gui_layer layer);
void gui_widget_margin(u32 win_id, u32 widget_id, vec2 margin);
void gui_widget_layout(u32 win_id, u32 widget_id, enum gui_layout layout);
void gui_loop(void);
void gui_time_loop(u32 time, void (*callback)(struct timer *time));
#endif
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