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
190
191
192
193
194
195
196
|
/*
* Copyright © 2007 Novell, Inc.
*
* 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
* Novell, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* Novell, Inc. makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL NOVELL, INC. 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.
*
* Author: David Reveman <davidr@novell.com>
*/
#include <stdlib.h>
#include <compiz-core.h>
static void
setCursorMatrix (CompCursor *c)
{
c->matrix = c->image->texture.matrix;
c->matrix.x0 -= (c->x * c->matrix.xx);
c->matrix.y0 -= (c->y * c->matrix.yy);
}
void
addCursor (CompScreen *s)
{
CompCursor *c;
c = malloc (sizeof (CompCursor));
if (c)
{
c->screen = s;
c->image = NULL;
c->x = 0;
c->y = 0;
c->next = s->cursors;
s->cursors = c;
updateCursor (c, 0, 0, 0);
/* XFixesHideCursor (s->display->display, s->root); */
}
}
Bool
damageCursorRect (CompCursor *c,
Bool initial,
BoxPtr rect)
{
return FALSE;
}
void
addCursorDamageRect (CompCursor *c,
BoxPtr rect)
{
REGION region;
if (c->screen->damageMask & COMP_SCREEN_DAMAGE_ALL_MASK)
return;
region.extents = *rect;
if (!(*c->screen->damageCursorRect) (c, FALSE, ®ion.extents))
{
region.extents.x1 += c->x;
region.extents.y1 += c->y;
region.extents.x2 += c->x;
region.extents.y2 += c->y;
region.rects = ®ion.extents;
region.numRects = region.size = 1;
damageScreenRegion (c->screen, ®ion);
}
}
void
addCursorDamage (CompCursor *c)
{
BoxRec box;
if (c->screen->damageMask & COMP_SCREEN_DAMAGE_ALL_MASK)
return;
box.x1 = 0;
box.y1 = 0;
box.x2 = c->image->width;
box.y2 = c->image->height;
addCursorDamageRect (c, &box);
}
void
updateCursor (CompCursor *c,
int x,
int y,
unsigned long serial)
{
/* new current cursor */
if (!c->image || c->image->serial != serial)
{
CompCursorImage *cursorImage;
cursorImage = findCursorImageAtScreen (c->screen, serial);
if (!cursorImage)
{
Display *dpy = c->screen->display->display;
XFixesCursorImage *image;
image = XFixesGetCursorImage (dpy);
if (!image)
return;
cursorImage = malloc (sizeof (CompCursorImage));
if (!cursorImage)
{
XFree (image);
return;
}
x = image->x;
y = image->y;
cursorImage->serial = image->cursor_serial;
cursorImage->xhot = image->xhot;
cursorImage->yhot = image->yhot;
cursorImage->width = image->width;
cursorImage->height = image->height;
initTexture (c->screen, &cursorImage->texture);
if (!imageBufferToTexture (c->screen,
&cursorImage->texture,
(char *) image->pixels,
image->width,
image->height))
{
free (cursorImage);
XFree (image);
return;
}
XFree (image);
cursorImage->next = c->screen->cursorImages;
c->screen->cursorImages = cursorImage;
}
if (c->image)
addCursorDamage (c);
c->image = cursorImage;
c->x = x - c->image->xhot;
c->y = y - c->image->yhot;
setCursorMatrix (c);
addCursorDamage (c);
}
else
{
int newX, newY;
newX = x - c->image->xhot;
newY = y - c->image->yhot;
if (c->x != newX || c->y != newY)
{
addCursorDamage (c);
c->x = newX;
c->y = newY;
setCursorMatrix (c);
addCursorDamage (c);
}
}
}
|
