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
|
#include <stdlib.h>
#include <string.h>
#include "doomkeys.h"
#include "txt_button.h"
#include "txt_io.h"
#include "txt_main.h"
#include "txt_window.h"
static void TXT_ButtonSizeCalc(TXT_UNCAST_ARG(button))
{
TXT_CAST_ARG(txt_button_t, button);
button->widget.w = strlen(button->label);
button->widget.h = 1;
}
static void TXT_ButtonDrawer(TXT_UNCAST_ARG(button), int selected)
{
TXT_CAST_ARG(txt_button_t, button);
int i;
int w;
w = button->widget.w;
TXT_BGColor(TXT_COLOR_BLUE, 0);
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
if (selected)
{
TXT_BGColor(TXT_COLOR_GREY, 0);
}
TXT_DrawString(button->label);
for (i=strlen(button->label); i < w; ++i)
{
TXT_DrawString(" ");
}
}
static void TXT_ButtonDestructor(TXT_UNCAST_ARG(button))
{
TXT_CAST_ARG(txt_button_t, button);
free(button->label);
}
static int TXT_ButtonKeyPress(TXT_UNCAST_ARG(button), int key)
{
TXT_CAST_ARG(txt_button_t, button);
if (key == KEY_ENTER)
{
TXT_EmitSignal(button, "pressed");
return 1;
}
return 0;
}
static void TXT_ButtonMousePress(TXT_UNCAST_ARG(button), int x, int y, int b)
{
TXT_CAST_ARG(txt_button_t, button);
if (b == TXT_MOUSE_LEFT)
{
// Equivalent to pressing enter
TXT_ButtonKeyPress(button, KEY_ENTER);
}
}
txt_widget_class_t txt_button_class =
{
TXT_ButtonSizeCalc,
TXT_ButtonDrawer,
TXT_ButtonKeyPress,
TXT_ButtonDestructor,
TXT_ButtonMousePress,
};
txt_button_t *TXT_NewButton(char *label)
{
txt_button_t *button;
button = malloc(sizeof(txt_button_t));
TXT_InitWidget(button, &txt_button_class);
button->label = strdup(label);
return button;
}
|
