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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* This file is part of the KDE libraries
Copyright (c) 2001 Martin R. Jones <mjones@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tqpainter.h>
#include <tqtimer.h>
#include <kapplication.h>
#include "kscreensaver.h"
#ifdef Q_WS_X11
#include <X11/Xlib.h>
#else
typedef WId Window;
#endif
#undef KeyPress
#undef KeyRelease
//-----------------------------------------------------------------------------
class KScreenSaverPrivate
{
public:
TQWidget *owner;
};
KScreenSaver::KScreenSaver( WId id ) : TQWidget()
{
Window root;
int ai;
unsigned int au;
unsigned int w = 0;
unsigned int h = 0;
XSync(qt_xdisplay(), false);
d = new KScreenSaverPrivate;
d->owner = TQT_TQWIDGET(find( id ));
if ( d->owner )
installEventFilter( this );
if ( id )
{
#ifdef Q_WS_X11 //FIXME
XGetGeometry(qt_xdisplay(), (Drawable)id, &root, &ai, &ai,
&w, &h, &au, &au);
#endif
create( id, false, true );
}
if ( w == 0 ) w = 600;
if ( h == 0 ) h = 420;
resize( w, h );
KApplication::sendPostedEvents();
show();
}
KScreenSaver::~KScreenSaver()
{
destroy( false, false );
delete d;
}
void KScreenSaver::embed( TQWidget *w )
{
KApplication::sendPostedEvents();
#ifdef Q_WS_X11 //FIXME
XReparentWindow(qt_xdisplay(), w->winId(), winId(), 0, 0);
#endif
w->setGeometry( 0, 0, width(), height() );
KApplication::sendPostedEvents();
}
bool KScreenSaver::eventFilter( TQObject *o, TQEvent *e )
{
// make sure events get to the original window owner
if ( d->owner && TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(this) ) {
TQApplication::sendEvent( d->owner, e );
return false;
}
return TQWidget::eventFilter( o, e );
}
//============================================================================
class KBlankEffectPrivate
{
public:
KBlankEffect::BlankEffect currentEffect;
int effectProgress;
TQTimer *timer;
TQWidget *widget;
};
KBlankEffect::BlankEffect KBlankEffect::effects[] = {
&KBlankEffect::blankNormal,
&KBlankEffect::blankSweepRight,
&KBlankEffect::blankSweepDown,
&KBlankEffect::blankBlocks
};
KBlankEffect::KBlankEffect( TQObject *parent ) : TQObject( parent )
{
d = new KBlankEffectPrivate;
d->currentEffect = &KBlankEffect::blankNormal;
d->effectProgress = 0;
d->timer = new TQTimer( this );
connect( d->timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(timeout()) );
}
KBlankEffect::~KBlankEffect()
{
delete d;
}
void KBlankEffect::finished()
{
d->timer->stop();
d->effectProgress = 0;
emit doneBlank();
}
void KBlankEffect::blank( TQWidget *w, Effect effect )
{
if ( !w ) {
emit doneBlank();
return;
}
if ( effect == Random )
effect = (Effect)(kapp->random() % MaximumEffects);
d->effectProgress = 0;
d->widget = w;
d->currentEffect = effects[ (int)effect ];
d->timer->start( 10 );
}
void KBlankEffect::timeout()
{
(this->*d->currentEffect)();
}
void KBlankEffect::blankNormal()
{
TQPainter p( d->widget );
p.fillRect( 0, 0, d->widget->width(), d->widget->height(), black );
finished();
}
void KBlankEffect::blankSweepRight()
{
TQPainter p( d->widget );
p.fillRect( d->effectProgress, 0, 50, d->widget->height(), black );
kapp->flushX();
d->effectProgress += 50;
if ( d->effectProgress >= d->widget->width() )
finished();
}
void KBlankEffect::blankSweepDown()
{
TQPainter p( d->widget );
p.fillRect( 0, d->effectProgress, d->widget->width(), 50, black );
kapp->flushX();
d->effectProgress += 50;
if ( d->effectProgress >= d->widget->height() )
finished();
}
void KBlankEffect::blankBlocks()
{
static int *block = 0;
int bx = (d->widget->width()+63)/64;
int by = (d->widget->height()+63)/64;
if ( !d->effectProgress ) {
block = new int [ bx*by ];
for ( int i = 0; i < bx*by; i++ )
block[i] = i;
for ( int i = 0; i < bx*by; i++ ) {
int swap = kapp->random()%(bx*by);
int tmp = block[i];
block[i] = block[swap];
block[swap] = tmp;
}
}
TQPainter p( d->widget );
// erase a couple of blocks at a time, otherwise it looks too slow
for ( int i = 0; i < 2 && d->effectProgress < bx*by; i++ ) {
int x = block[d->effectProgress]%bx;
int y = block[d->effectProgress]/bx;
p.fillRect( x*64, y*64, 64, 64, black );
d->effectProgress++;
}
kapp->flushX();
if ( d->effectProgress >= bx*by ) {
delete[] block;
finished();
}
}
#include "kscreensaver.moc"
|
