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37 lines
1012 B
C
37 lines
1012 B
C
#ifndef GUI_H
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#define GUI_H
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#include <stdbool.h>
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#include <SDL2/SDL.h>
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typedef struct {
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SDL_Window *window;
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SDL_Renderer *renderer;
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int win_w, win_h;
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bool flipped; // true if black at bottom
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} Gui;
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typedef struct {
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int from_sq; // 0..63 or -1
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int to_sq; // 0..63 or -1
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char promo; // 'q','r','b','n' or 0
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bool clicked;
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} GuiSelection;
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bool gui_init(Gui *g, int w, int h, const char *title);
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void gui_destroy(Gui *g);
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void gui_set_flipped(Gui *g, bool flipped);
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void gui_draw(Gui *g, const char board[64], const GuiSelection *sel, const char *status_line);
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// Returns true if something changed. If a key was pressed, key_out receives SDL_Keycode else 0.
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bool gui_poll_move(Gui *g, GuiSelection *sel, bool *quit_requested, int *key_out);
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int gui_coord_to_sq(Gui *g, int x, int y);
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// colors
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extern const SDL_Color COLOR_LIGHT;
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extern const SDL_Color COLOR_DARK;
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extern const SDL_Color COLOR_GRID;
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extern const SDL_Color COLOR_SEL;
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extern const SDL_Color COLOR_TEXT;
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#endif
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