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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://chibios-gfx.com/license.html
*/
/**
* @file src/gwin/checkbox.c
* @brief GWIN sub-system checkbox code.
*
* @defgroup Checkbox Checkbox
* @ingroup GWIN
*
* @{
*/
#include "gfx.h"
#if (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) || defined(__DOXYGEN__)
static const GCheckboxColor defaultColors = {
Grey, // border
Grey, // selected
Black // background
};
/* default style drawing routine */
static void gwinCheckboxDrawDefaultStyle(GHandle gh, bool_t enabled, bool_t isChecked, void* param) {
#define gcw ((GCheckboxObject *)gh)
(void) enabled;
(void) param;
gdispDrawBox(gh->x, gh->y, gh->width, gh->height, gcw->colors->border);
if (isChecked)
gdispFillArea(gh->x+2, gh->y+2, gh->width-4, gh->height-4, gcw->colors->checked);
else
gdispFillArea(gh->x+2, gh->y+2, gh->width-4, gh->height-4, gcw->colors->bg);
#undef gcw
}
/* process an event callback */
static void gwinCheckboxCallback(void *param, GEvent *pe) {
GSourceListener *psl;
#define gh ((GHandle)param)
#define gbw ((GCheckboxObject *)param)
#define gsh ((GSourceHandle)param)
#define pme ((GEventMouse *)pe)
#define pte ((GEventTouch *)pe)
#define pxe ((GEventToggle *)pe)
#define pbe ((GEventGWinCheckbox *)pe)
/* check if checkbox is disabled */
if (!gh->enabled)
return;
switch (pe->type) {
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
case GEVENT_MOUSE:
case GEVENT_TOUCH:
// Ignore anything other than the primary mouse button going up or down
if (!((pme->current_buttons ^ pme->last_buttons) & GINPUT_MOUSE_BTN_LEFT))
return;
if ((pme->current_buttons & GINPUT_MOUSE_BTN_LEFT)
&& pme->x >= gbw->gwin.x && pme->x < gbw->gwin.x + gbw->gwin.width
&& pme->y >= gbw->gwin.y && pme->y < gbw->gwin.y + gbw->gwin.height) {
gbw->isChecked = !gbw->isChecked;
gwinCheckboxDraw((GHandle)param);
break;
}
return;
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */
default:
return;
}
// Trigger a GWIN checkbox event
psl = 0;
while ((psl = geventGetSourceListener(gsh, psl))) {
if (!(pe = geventGetEventBuffer(psl)))
continue;
pbe->type = GEVENT_GWIN_CHECKBOX;
pbe->checkbox = gh;
pbe->isChecked = gbw->isChecked;
geventSendEvent(psl);
}
#undef gh
#undef pbe
#undef pme
#undef pte
#undef pxe
#undef gsh
#undef gbw
}
GHandle gwinCheckboxCreate(GCheckboxObject *gb, coord_t x, coord_t y, coord_t width, coord_t height) {
if (!(gb = (GCheckboxObject *)_gwinInit((GWindowObject *)gb, x, y, width, height, sizeof(GCheckboxObject))))
return 0;
gb->gwin.type = GW_CHECKBOX; // create a window of the type checkbox
gb->fn = gwinCheckboxDrawDefaultStyle; // set the default style drawing routine
gb->colors = &defaultColors; // asign the default colors
gb->param = 0; // some safe value here
gb->isChecked = GCHBX_UNCHECKED; // checkbox is currently unchecked
gb->gwin.enabled = TRUE; // checkboxes are enabled by default
geventListenerInit(&gb->listener);
geventRegisterCallback(&gb->listener, gwinCheckboxCallback, gb);
// checkboxes are enabled by default
gb->gwin.enabled = TRUE;
return (GHandle)gb;
}
void gwinCheckboxSetCustom(GHandle gh, GCheckboxDrawFunction fn, void *param) {
#define gcw ((GCheckboxObject *)gh)
if (gh->type != GW_CHECKBOX)
return;
gcw->fn = fn;
gcw->param = param;
#undef gcw
}
void gwinCheckboxSetEnabled(GHandle gh, bool_t enabled) {
if (gh->type != GW_CHECKBOX)
return;
gh->enabled = enabled;
}
void gwinCheckboxDraw(GHandle gh) {
#define gcw ((GCheckboxObject *)gh)
if (gh->type != GW_CHECKBOX)
return;
#if GDISP_NEED_CLIP
//gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
gcw->fn(gh,
gcw->gwin.enabled,
gcw->isChecked,
gcw->param);
#undef gcw
}
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
bool_t gwinCheckboxAttachMouse(GHandle gh, uint16_t instance) {
GSourceHandle gsh;
if (gh->type != GW_CHECKBOX || !(gsh = ginputGetMouse(instance)))
return FALSE;
return geventAttachSource(&((GCheckboxObject *)gh)->listener, gsh, GLISTEN_MOUSEMETA);
}
#endif
void gwinCheckboxSetColors(GHandle gh, color_t border, color_t checked, color_t bg) {
#define gcw ((GCheckboxObject *)gh)
if (gh->type != GW_CHECKBOX)
return;
gcw->colors->border = border;
gcw->colors->checked = checked,
gcw->colors->bg = bg;
#undef gcw
}
#endif /* (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) */
/** @} */
|
