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/*
* Copyright (C) 2021 P. J. McDermott
*
* This file is part of Maze Fight
*
* Maze Fight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Maze Fight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Maze Fight. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MFTK_WIDGET_H_
#define MFTK_WIDGET_H_
#include <SDL.h>
#include <stdarg.h>
void
mftk_window_index(struct mftk_window *win, struct mftk_widget *wid);
void
mftk_window_focus(struct mftk_window *win, struct mftk_widget *wid);
enum mftk_widget_role {
MFTK_WIDGET_ROLE_NONE,
MFTK_WIDGET_ROLE_FOCUSABLE,
MFTK_WIDGET_ROLE_CONTAINER
};
struct mftk_widget {
int w;
int h;
struct mftk_widget *container;
int vis;
void (*layout)(struct mftk_widget *);
void (*index)(struct mftk_widget *,
struct mftk_window *);
void (*focus)(struct mftk_widget *);
void (*defocus)(struct mftk_widget *);
int (*key_event)(struct mftk_widget *, SDL_Event *);
int (*mouse_event)(struct mftk_widget *, SDL_Event *,
int, int);
int (*render)(struct mftk_widget *, SDL_Renderer *,
int, int);
void (*destroy)(struct mftk_widget *);
enum mftk_widget_role role;
struct mftk_widget *prev;
struct mftk_widget *next;
struct mftk_window *window;
int focused;
};
struct mftk_widget *
mftk_widget_new(size_t size);
#define mftk_widget_init(w, t_w, name) \
do { \
w = mftk_widget_new(sizeof(struct mftk_##name)); \
if (w == NULL) { \
return NULL; \
}; \
w->layout = &_mftk_##name##_layout; \
w->mouse_event = &_mftk_##name##_mouse_event; \
w->render = &_mftk_##name##_render; \
w->destroy = &_mftk_##name##_destroy; \
w->role = MFTK_WIDGET_ROLE_NONE; \
t_w = (struct mftk_##name *) w; \
} while (0)
#define mftk_widget_init_focusable(w, t_w, name) \
do { \
w = mftk_widget_new(sizeof(struct mftk_##name)); \
if (w == NULL) { \
return NULL; \
}; \
w->layout = &_mftk_##name##_layout; \
w->focus = &_mftk_##name##_focus; \
w->defocus = &_mftk_##name##_defocus; \
w->key_event = &_mftk_##name##_key_event; \
w->mouse_event = &_mftk_##name##_mouse_event; \
w->render = &_mftk_##name##_render; \
w->destroy = &_mftk_##name##_destroy; \
w->role = MFTK_WIDGET_ROLE_FOCUSABLE; \
t_w = (struct mftk_##name *) w; \
} while (0)
#define mftk_widget_init_container(w, t_w, name) \
do { \
w = mftk_widget_new(sizeof(struct mftk_##name)); \
if (w == NULL) { \
return NULL; \
}; \
w->layout = &_mftk_##name##_layout; \
w->index = &_mftk_##name##_index; \
w->mouse_event = &_mftk_##name##_mouse_event; \
w->render = &_mftk_##name##_render; \
w->destroy = &_mftk_##name##_destroy; \
w->role = MFTK_WIDGET_ROLE_CONTAINER; \
t_w = (struct mftk_##name *) w; \
} while (0)
void
mftk_widget_set_visible(struct mftk_widget *w, int v);
int
mftk_widget_get_visible(struct mftk_widget *w)
__attribute__((__pure__));
void
mftk_widget_layout(struct mftk_widget *w);
void
mftk_widget_index(struct mftk_widget *w, struct mftk_window *win);
void
mftk_widget_focus(struct mftk_widget *w);
void
mftk_widget_defocus(struct mftk_widget *w);
int
mftk_widget_mouse_event(struct mftk_widget *w, SDL_Event *e, int x, int y);
int
mftk_widget_key_event(struct mftk_widget *w, SDL_Event *e);
int
mftk_widget_render(struct mftk_widget *w, SDL_Renderer *renderer, int x, int y);
void
mftk_widget_destroy(struct mftk_widget **w);
struct mftk_widget *
mftk_grid_new_a(int rows, int cols, int row_spacing, int col_spacing,
struct mftk_widget **children, int *alignments);
enum mftk_check_shape {
MFTK_CHECK_SHAPE_BOX,
MFTK_CHECK_SHAPE_CIR
};
void
mftk_check_set_shape(struct mftk_widget *w, enum mftk_check_shape shape);
void
mftk_check_set_state(struct mftk_widget *w, int state);
void
mftk_check_set_steals_focus(struct mftk_widget *w, int steals_focus);
#endif /* MFTK_WIDGET_H_ */
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