1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* 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 {
int x;
int y;
struct mftk_widget *root;
struct mftk_widget *first;
struct mftk_widget *focus;
};
struct mftk_window *
mftk_window_new(int x, int y, 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->x = x;
w->y = y;
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, w->x, w->y);
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, w->x, w->y);
}
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;
}
|
