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
|
/*
* Copyright © 2020 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include <Xkw/KSimpleP.h>
#define SuperClass (&simpleClassRec)
static void
KSimpleClassInitialize(void)
{
XkwInitializeWidgetSet();
}
static void
KSimpleInitialize(Widget request, Widget cnew,
ArgList args, Cardinal *num_args)
{
KSimpleWidget w = (KSimpleWidget) cnew;
(void) request;
(void) args;
(void) num_args;
w->ksimple.surface = NULL;
w->ksimple.surface_width = 0;
w->ksimple.surface_height = 0;
}
static void
KSimpleRealize(Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
{
*valueMask &= ~(CWBackPixel);
*valueMask |= (CWBackPixmap);
attributes->background_pixmap = None;
(*ksimpleWidgetClass->core_class.superclass->core_class.realize)
(w, valueMask, attributes);
}
static void
KSimpleDestroy(Widget gw)
{
KSimpleWidget w = (KSimpleWidget) gw;
if (w->ksimple.surface) {
cairo_surface_destroy(w->ksimple.surface);
w->ksimple.surface = NULL;
}
}
static void
KSimpleRedisplay(Widget gw, XEvent *event, Region region)
{
KSimpleWidget w = (KSimpleWidget) gw;
cairo_t *cr = XkwGetCairo(gw);
(void) event;
(void) region;
XkwSetSource(cr, &w->ksimple.background);
cairo_paint(cr);
cairo_destroy(cr);
}
static Boolean
KSimpleSetValues(Widget gcur, Widget greq, Widget gnew,
ArgList args, Cardinal *num_args)
{
KSimpleWidget cur = (KSimpleWidget)gcur;
KSimpleWidget req = (KSimpleWidget)greq;
KSimpleWidget new = (KSimpleWidget)gnew;
(void) req;
(void) args;
(void) num_args;
if (!XkwColorEqual(&cur->ksimple.foreground, &new->ksimple.foreground) ||
!XkwColorEqual(&cur->ksimple.background, &new->ksimple.background))
return True;
return False;
}
#define offset(field) XtOffsetOf(KSimpleRec, ksimple.field)
static XtResource resources[] = {
{ XtNbackgroundColor, XtCBackground, XtRRenderColor, sizeof (XRenderColor),
offset (background), XtRString, XtDefaultBackground },
{ XtNforegroundColor, XtCForeground, XtRRenderColor, sizeof (XRenderColor),
offset (foreground), XtRString, XtDefaultForeground },
{ XtNdpi, XtCDpi, XtRDpi, sizeof(double),
offset (dpi), XtRString, "" },
{XtNwantForward, XtCWantForward, XtRBoolean, sizeof(Boolean),
offset(want_forward), XtRImmediate, (XtPointer) True},
};
#undef offset
KSimpleClassRec ksimpleClassRec = {
/* core */
{
(WidgetClass)SuperClass, /* superclass */
"KSimple", /* class_name */
sizeof(KSimpleRec), /* widget_size */
KSimpleClassInitialize, /* class_initialize */
NULL, /* class_part_initialize */
False, /* class_inited */
KSimpleInitialize, /* initialize */
NULL, /* initialize_hook */
KSimpleRealize, /* realize */
NULL, /* actions */
0, /* num_actions */
resources, /* resources */
XtNumber(resources), /* num_resources */
NULLQUARK, /* xrm_class */
True, /* compress_motion */
True, /* compress_exposure */
True, /* compress_enterleave */
False, /* visible_interest */
KSimpleDestroy, /* destroy */
NULL, /* resize */
KSimpleRedisplay, /* expose */
KSimpleSetValues, /* set_values */
NULL, /* set_values_hook */
XtInheritSetValuesAlmost, /* set_values_almost */
NULL, /* get_values_hook */
NULL, /* accept_focus */
XtVersion, /* version */
NULL, /* callback_private */
NULL, /* tm_table */
XtInheritQueryGeometry, /* query_geometry */
XtInheritDisplayAccelerator, /* display_accelerator */
NULL, /* extension */
},
/* simple */
{
XtInheritChangeSensitive, /* change_sensitive */
#ifndef OLDXAW
NULL, /* extension */
#endif
},
/* ksimple */
{
0,
},
};
WidgetClass ksimpleWidgetClass = (WidgetClass)&ksimpleClassRec;
|
