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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/>.
*/
#include <SDL.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "../tk.h"
#include "widget.h"
struct mftk_window {
struct mftk_widget *root;
struct mftk_widget *first;
struct mftk_widget *focus;
};
struct mftk_window *
mftk_window_new(struct mftk_widget *root)
{
struct mftk_window *w;
w = calloc(1, sizeof(*w));
if (w == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Couldn't create window: %s",
strerror(errno));
return NULL;
}
w->root = root;
mftk_widget_layout(w->root);
mftk_widget_index(w->root, w);
w->focus = w->first;
w->focus->focused = SDL_TRUE;
mftk_widget_focus(w->focus);
return w;
}
void
mftk_window_index(struct mftk_window *win, struct mftk_widget *wid)
{
if (win->first == NULL) {
win->first = wid;
wid->prev = wid;
wid->next = wid;
return;
}
/*
* Head: win->first
* Tail: win->first->prev
*/
wid->prev = win->first->prev;
wid->next = win->first;
win->first->prev->next = wid;
win->first->prev = wid;
}
int
mftk_window_event(struct mftk_window *w, SDL_Event *e)
{
switch (e->type) {
case SDL_KEYDOWN:
switch (e->key.keysym.sym) {
case SDLK_TAB:
w->focus->focused = SDL_FALSE;
mftk_widget_defocus(w->focus);
if (e->key.keysym.mod & KMOD_SHIFT) {
w->focus = w->focus->prev;
} else {
w->focus = w->focus->next;
}
w->focus->focused = SDL_TRUE;
mftk_widget_focus(w->focus);
break;
default:
return mftk_widget_key_event(w->focus,
e);
}
break;
case SDL_TEXTEDITING:
case SDL_TEXTINPUT:
return mftk_widget_key_event(w->focus, e);
case SDL_MOUSEBUTTONUP:
return mftk_widget_mouse_event(w->root, e, 0, 0);
default:
break;
}
return 0;
}
void
mftk_window_focus(struct mftk_window *win, struct mftk_widget *wid)
{
win->focus->focused = SDL_FALSE;
mftk_widget_defocus(win->focus);
win->focus = wid;
win->focus->focused = SDL_TRUE;
mftk_widget_focus(win->focus);
}
int
mftk_window_render(struct mftk_window *w, SDL_Renderer *renderer)
{
return mftk_widget_render(w->root, renderer, 0, 0);
}
void
mftk_window_destroy(struct mftk_window **w_p)
{
struct mftk_window *w;
if (w_p == NULL || *w_p == NULL) {
return;
}
w = *w_p;
mftk_widget_destroy(&w->root);
free(w);
w = NULL;
}
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