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
197
198
199
200
|
/* vi: ts=8 sts=4 sw=4
*
* $Id: krootpixmap.cpp,v 1.20 2003/06/01 01:49:31 hadacek Exp $
*
* This file is part of the KDE project, module tdeui.
* Copyright (C) 1999,2000 Geert Jansen <[email protected]>
*
* You can Freely distribute this program under the GNU Library
* General Public License. See the file "COPYING.LIB" for the exact
* licensing terms.
*/
/* Modified by Sascha Hlusiak */
#include <tqwidget.h>
#include <tqtimer.h>
#include <tqrect.h>
#include <tqimage.h>
#ifndef TQ_WS_TQWS //FIXME
#include <tdeapplication.h>
#include <kimageeffect.h>
#include <kpixmapio.h>
#include <twinmodule.h>
#include <kdebug.h>
#include <netwm.h>
#include <dcopclient.h>
#include <tqpainter.h>
#include <ksharedpixmap.h>
#include "myrootpixmap.h"
KMyRootPixmap::KMyRootPixmap( TQWidget * widget, const char *name )
: TQObject(widget, name ? name : "KMyRootPixmap" )
{
init();
}
KMyRootPixmap::KMyRootPixmap( TQWidget *, TQObject *parent, const char *name )
: TQObject( parent, name ? name : "KMyRootPixmap" )
{
init();
}
void KMyRootPixmap::init()
{
// d = new KMyRootPixmapData;
// m_Fade = 0;
m_pPixmap = new TDESharedPixmap;
// m_pTimer = new TQTimer( this );
m_bInit = false;
m_bActive = false;
m_Desk=-1;
// m_bCustomPaint = false;
// connect(kapp, TQT_SIGNAL(backgroundChanged(int)), TQT_SLOT(slotBackgroundChanged(int)));
connect(m_pPixmap, TQT_SIGNAL(done(bool)), TQT_SLOT(slotDone(bool)));
// connect(m_pTimer, TQT_SIGNAL(timeout()), TQT_SLOT(repaint()));
// d->toplevel = m_pWidget->topLevelWidget();
// d->toplevel->installEventFilter(this);
}
KMyRootPixmap::~KMyRootPixmap()
{
delete m_pPixmap;
// delete d;
}
int KMyRootPixmap::currentDesktop() const
{
NETRootInfo rinfo( tqt_xdisplay(), NET::CurrentDesktop );
rinfo.activate();
return rinfo.currentDesktop();
}
void KMyRootPixmap::start()
{
if (m_bActive)
return;
m_bActive = true;
enableExports();
return;
// if (m_bInit)
// repaint(true);
}
void KMyRootPixmap::stop()
{
m_bActive = false;
// m_pTimer->stop();
}
void KMyRootPixmap::repaint()
{
repaint(false);
}
void KMyRootPixmap::repaint(bool force)
{
// printf("KMyRootPixmap::repaint(%s)\n",force?"true":"false");
if ((!force) && (m_Desk==currentDesktop()))return;
m_Desk = currentDesktop();
if (!isAvailable())
{
emit backgroundUpdated(NULL);
}else{
// TDESharedPixmap will correctly generate a tile for us.
m_pPixmap->loadFromShared(pixmapName(m_Desk));
updateBackground( m_pPixmap );
}
}
bool KMyRootPixmap::isAvailable()
{
return m_pPixmap->isAvailable(pixmapName(m_Desk));
}
TQString KMyRootPixmap::pixmapName(int desk)
{
TQString pattern = TQString("DESKTOP%1");
int screen_number = DefaultScreen(tqt_xdisplay());
if (screen_number) {
pattern = TQString("SCREEN%1-DESKTOP").arg(screen_number) + "%1";
}
return pattern.arg( desk );
}
void KMyRootPixmap::enableExports()
{
// kdDebug(270) << k_lineinfo << "activating background exports.\n";
DCOPClient *client = kapp->dcopClient();
if (!client->isAttached())
client->attach();
TQByteArray data;
TQDataStream args( data, IO_WriteOnly );
args << 1;
TQCString appname( "kdesktop" );
int screen_number = DefaultScreen(tqt_xdisplay());
if ( screen_number )
appname.sprintf("kdesktop-screen-%d", screen_number );
client->send( appname, "KBackgroundIface", "setExport(int)", data );
}
void KMyRootPixmap::slotDone(bool success)
{
if (!success)
{
// kdWarning(270) << k_lineinfo << "loading of desktop background failed.\n";
return;
}
// We need to test active as the pixmap might become available
// after the widget has been destroyed.
if ( m_bActive )
updateBackground( m_pPixmap );
}
void KMyRootPixmap::updateBackground( TDESharedPixmap *spm )
{
// printf("KMyRootPixmap::updateBackground(%p)\n",spm);
TQPixmap *px=spm;
if (px->isNull() || px->width()==0 || px->height()==0)
{ // This is NOT an image, something went wrong, update to plain
emit backgroundUpdated(NULL);
return;
}
KPixmapIO io;
TQSize desktopsize(TQApplication::desktop()->width(),TQApplication::desktop()->height());
if (px->rect().size()==desktopsize)
{ // Image has already the right dimension, make a quick update
TQImage img = io.convertToImage(*spm);
emit backgroundUpdated(&img);
return;
}else{ // we need to create a tiled pixmap and then the image to update
TQPixmap pix(desktopsize,spm->TQPixmap::depth());
TQPainter pufferPainter(&pix);
pufferPainter.drawTiledPixmap(pix.rect(),*spm);
pufferPainter.end();
TQImage img=io.convertToImage(pix);
emit backgroundUpdated(&img);
}
}
// #include "krootpixmap.moc"
#endif
|
