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
144
145
|
/*
* 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 "style.h"
#include "widget.h"
struct mftk_box {
struct mftk_widget parent;
int container_w;
int container_h;
int padding;
struct mftk_widget *child;
int child_x;
int child_y;
};
static void
_mftk_box_layout(struct mftk_widget *w)
{
struct mftk_box *b = (struct mftk_box *) w;
mftk_widget_layout(b->child);
if (w->w == 0) {
w->w = b->child->w + b->padding * 2;
}
if (w->h == 0) {
w->h = b->child->h + b->padding * 2;
}
b->child_x = (b->container_w - w->w) / 2 + b->padding;
b->child_y = (b->container_h - w->h) / 2 + b->padding;
}
static void
_mftk_box_index(struct mftk_widget *w, struct mftk_window *win)
{
struct mftk_box *b = (struct mftk_box *) w;
mftk_widget_index(b->child, win);
}
static int
_mftk_box_mouse_event(struct mftk_widget *w, SDL_Event *e, int x, int y)
{
struct mftk_box *b = (struct mftk_box *) w;
SDL_Point p;
SDL_Rect rect;
switch (e->type) {
case SDL_MOUSEBUTTONUP:
p.x = e->button.x;
p.y = e->button.y;
rect.x = x + b->child_x;
rect.y = y + b->child_y;
rect.w = b->child->w;
rect.h = b->child->h;
if (SDL_PointInRect(&p, &rect) == SDL_TRUE) {
return mftk_widget_mouse_event(b->child, e,
rect.x, rect.y);
}
break;
default:
break;
}
return 0;
}
static int
_mftk_box_render(struct mftk_widget *w, SDL_Renderer *renderer, int x, int y)
{
struct mftk_box *b = (struct mftk_box *) w;
SDL_Rect rect;
rect.x = x + b->child_x - b->padding;
rect.y = y + b->child_y - b->padding;
rect.w = w->w;
rect.h = w->h;
if (SDL_SetRenderDrawColor(renderer,
MFTK_COLOR_FORM_R, MFTK_COLOR_FORM_G,
MFTK_COLOR_FORM_B, MFTK_COLOR_FORM_A) < 0 ||
SDL_RenderFillRect(renderer, &rect) < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Couldn't render widget: %s",
SDL_GetError());
return -1;
}
if (mftk_widget_render(b->child, renderer,
x + b->child_x, y + b->child_y) < 0) {
return -1;
}
return 0;
}
static void
_mftk_box_destroy(struct mftk_widget *w)
{
struct mftk_box *b = (struct mftk_box *) w;
mftk_widget_destroy(&b->child);
}
struct mftk_widget *
mftk_box_new(int container_w, int container_h, int own_w, int own_h,
int padding, struct mftk_widget *child)
{
struct mftk_widget *w;
struct mftk_box *b;
mftk_widget_init_container(w, b, box);
b->container_w = container_w;
b->container_h = container_h;
w->w = own_w;
w->h = own_h;
b->padding = padding;
b->child = child;
child->container = w;
return w;
}
|
