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
|
/**************************************************************
* quartzPasteboard.c
*
* Aqua pasteboard <-> X cut buffer
* Greg Parker gparker@cs.stanford.edu March 8, 2001
**************************************************************/
/*
* Copyright (c) 2001 Greg Parker. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above copyright
* holders shall not be used in advertising or otherwise to promote the sale,
* use or other dealings in this Software without prior written authorization.
*/
#include <dix-config.h>
#include "quartzPasteboard.h"
#include <X11/Xatom.h>
#include "windowstr.h"
#include "propertyst.h"
#include "scrnintstr.h"
#include "selection.h"
#include "globals.h"
extern Selection *CurrentSelections;
extern int NumCurrentSelections;
// Helper function to read the X11 cut buffer
// FIXME: What about multiple screens? Currently, this reads the first
// CUT_BUFFER0 from the first screen where the buffer content is a string.
// Returns a string on the heap that the caller must free.
// Returns NULL if there is no cut text or there is not enough memory.
static char * QuartzReadCutBuffer(void)
{
int i;
char *text = NULL;
for (i = 0; i < screenInfo.numScreens; i++) {
ScreenPtr pScreen = screenInfo.screens[i];
PropertyPtr pProp;
pProp = wUserProps (WindowTable[pScreen->myNum]);
while (pProp && pProp->propertyName != XA_CUT_BUFFER0) {
pProp = pProp->next;
}
if (! pProp) continue;
if (pProp->type != XA_STRING) continue;
if (pProp->format != 8) continue;
text = xalloc(1 + pProp->size);
if (! text) continue;
memcpy(text, pProp->data, pProp->size);
text[pProp->size] = '\0';
return text;
}
// didn't find any text
return NULL;
}
// Write X cut buffer to Mac OS X pasteboard
// Called by ProcessInputEvents() in response to request from X server thread.
void QuartzWritePasteboard(void)
{
char *text;
text = QuartzReadCutBuffer();
if (text) {
QuartzWriteCocoaPasteboard(text);
free(text);
}
}
#define strequal(a, b) (0 == strcmp((a), (b)))
// Read Mac OS X pasteboard into X cut buffer
// Called by ProcessInputEvents() in response to request from X server thread.
void QuartzReadPasteboard(void)
{
char *oldText = QuartzReadCutBuffer();
char *text = QuartzReadCocoaPasteboard();
// Compare text with current cut buffer contents.
// Change the buffer if both exist and are different
// OR if there is new text but no old text.
// Otherwise, don't clear the selection unnecessarily.
if ((text && oldText && !strequal(text, oldText)) ||
(text && !oldText)) {
int scrn, sel;
for (scrn = 0; scrn < screenInfo.numScreens; scrn++) {
ScreenPtr pScreen = screenInfo.screens[scrn];
// Set the cut buffers on each screen
// fixme really on each screen?
ChangeWindowProperty(WindowTable[pScreen->myNum], XA_CUT_BUFFER0,
XA_STRING, 8, PropModeReplace,
strlen(text), (pointer)text, TRUE);
}
// Undo any current X selection (similar to code in dispatch.c)
// FIXME: what about secondary selection?
// FIXME: only touch first XA_PRIMARY selection?
sel = 0;
while ((sel < NumCurrentSelections) &&
CurrentSelections[sel].selection != XA_PRIMARY)
sel++;
if (sel < NumCurrentSelections) {
// Notify client if necessary
if (CurrentSelections[sel].client) {
xEvent event;
event.u.u.type = SelectionClear;
event.u.selectionClear.time = GetTimeInMillis();
event.u.selectionClear.window = CurrentSelections[sel].window;
event.u.selectionClear.atom = CurrentSelections[sel].selection;
TryClientEvents(CurrentSelections[sel].client, &event, 1,
NoEventMask, NoEventMask /*CantBeFiltered*/,
NullGrab);
}
// Erase it
// FIXME: need to erase .selection too? dispatch.c doesn't
CurrentSelections[sel].pWin = NullWindow;
CurrentSelections[sel].window = None;
CurrentSelections[sel].client = NullClient;
}
}
if (text) free(text);
if (oldText) free(oldText);
}
|
