source: smplayer/trunk/src/skingui/panelseeker.cpp@ 142

Last change on this file since 142 was 142, checked in by Silvan Scherrer, 12 years ago

SMPlayer: update trunk to 0.8.5
File size: 9.4 KB
Line 
1/* umplayer, GUI front-end for mplayer.
2 Copyright (C) 2010 Ori Rejwan
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17*/
18
19#include "panelseeker.h"
20#include <QPainter>
21#include <QSlider>
22#include <QMouseEvent>
23#include <QDebug>
24#include <QToolTip>
25#include "global.h"
26#include "preferences.h"
27#include "config.h"
28#include "helper.h"
29
30
31using namespace Global;
32
33
34PanelSeeker::PanelSeeker(QWidget *parent) :
35 QAbstractSlider(parent), isPressed(false), leftRightMargin(5), bufferingPixShift(0),
36 frozen(false), delayPeriod(100), frozenPeriod(500)
37{
38 setAttribute(Qt::WA_StyledBackground, true);
39 setAttribute(Qt::WA_Hover, true);
40 setEnabled(false);
41 setState(Stopped, true);
42 setTracking(pref->update_while_seeking);
43 connect(this, SIGNAL(valueChanged(int)), this, SLOT(moved(int)));
44 setRange(0, 100);
45 freezeTimer = new QTimer(this);
46 freezeTimer->setInterval(frozenPeriod);
47 freezeTimer->setSingleShot(true);
48 dragDelayTimer = new QTimer(this);
49 dragDelayTimer->setInterval(delayPeriod);
50 dragDelayTimer->setSingleShot(true);
51 connect(freezeTimer, SIGNAL(timeout()), this, SLOT(stopFreeze()));
52 connect(dragDelayTimer, SIGNAL(timeout()), this, SLOT(goToSliderPosition()));
53}
54
55
56void PanelSeeker::paintEvent(QPaintEvent * e)
57{
58 QPainter p(this);
59
60 p.drawPixmap( leftRightMargin, (height()- leftPix.height())/2 , leftPix );
61 p.drawTiledPixmap(QRect(leftRightMargin + leftPix.width(), (height()- centerPix.height())/2 ,width() - 2*leftRightMargin - leftPix.width() - rightPix.width(),centerPix.height()), centerPix);
62
63 p.drawPixmap( width()-rightPix.width() - leftRightMargin , (height()- rightPix.height())/2 , rightPix);
64
65 if(state.testFlag(Buffering))
66 {
67 p.drawTiledPixmap(QRect(leftRightMargin + leftPix.width(), (height()- bufferingPix.height())/2, width() - 2*leftRightMargin -leftPix.width() - rightPix.width(), bufferingPix.height()), bufferingPix, QPoint(bufferingPixShift, 0) );
68 }
69 else
70 {
71 if(isEnabled())
72 {
73 p.drawTiledPixmap(QRect(leftRightMargin + leftPix.width(), (height()- progressPix.height())/2 , knobRect.center().x() - leftRightMargin - leftPix.width(), progressPix.height()), progressPix);
74 }
75 p.drawPixmap(knobRect.toRect(), knobCurrentPix );
76 }
77
78
79}
80
81void PanelSeeker::setKnobIcon( QPixmap pix )
82{
83 int w = pix.width();
84 int h = pix.height();
85 knobPix.setPixmap(pix.copy(0, 0, w, h/4 ), MyIcon::Normal, MyIcon::Off);
86 knobPix.setPixmap(pix.copy(0, h/4, w, h/4 ), MyIcon::MouseOver, MyIcon::Off);
87 knobPix.setPixmap(pix.copy(0, h/2, w, h/4 ), MyIcon::MouseDown, MyIcon::Off);
88 knobPix.setPixmap(pix.copy(0, 3*h/4, w, h/4 ), MyIcon::Disabled, MyIcon::Off);
89 knobCurrentPix = knobPix.pixmap(MyIcon::Normal, MyIcon::Off);
90 setSliderValue(minimum());
91 setState(Normal, true);
92}
93
94void PanelSeeker::setSingleKnobIcon(QPixmap pix)
95{
96 knobPix.setPixmap(pix, MyIcon::Normal, MyIcon::Off);
97 knobPix.setPixmap(pix, MyIcon::MouseOver, MyIcon::Off);
98 knobPix.setPixmap(pix, MyIcon::MouseDown, MyIcon::Off);
99 knobPix.setPixmap(pix, MyIcon::Disabled, MyIcon::Off);
100 setSliderValue(minimum());
101 setState(Normal, true);
102}
103
104void PanelSeeker::mousePressEvent(QMouseEvent *m)
105{
106 m->accept();
107 setTracking(pref->update_while_seeking);
108 if(m->button() == Qt::LeftButton)
109 {
110 QPointF pos = m->posF();
111 if(knobRect.contains(pos))
112 {
113 isPressed = true;
114 mousePressPos = pos;
115 mousePressDifference = pos.x() - knobRect.center().x();
116 setSliderDown(true);
117 setState(Pressed, true);
118 }
119 else
120 {
121 isPressed = false;
122 knobAdjust( m->posF().x() - knobRect.center().x(), true);
123 }
124 }
125}
126
127void PanelSeeker::mouseMoveEvent(QMouseEvent *m)
128{
129 m->accept();
130 if(isPressed)
131 {
132 knobAdjust(m->posF().x() - knobRect.center().x() - mousePressDifference );
133 }
134}
135
136void PanelSeeker::mouseReleaseEvent(QMouseEvent *m)
137{
138 setSliderDown(false);
139 if(isPressed)
140 {
141 isPressed = false;
142 setState(Pressed, false);
143 frozen = true;
144 freezeTimer->start();
145 /*if(mousePressPos == m->pos())
146 {
147 knobAdjust( m->posF().x() - knobRect.center().x(), true);
148 triggerAction(SliderMove);
149 } */
150 }
151}
152
153void PanelSeeker::resetKnob( bool start)
154{
155 if(start)
156 {
157 moved(minimum());
158 }
159 else
160 {
161 moved(maximum());
162 }
163}
164
165void PanelSeeker::knobAdjust(qreal x, bool isSetValue)
166{
167 if(state.testFlag(Buffering)) return;
168 qreal value = minimum() + (knobRect.center().x() - (leftRightMargin + knobCurrentPix.width()/2) +x ) * (maximum() - minimum()) /(width() - (leftRightMargin) - (leftRightMargin) - knobCurrentPix.width()) ;
169 if(isSetValue)
170 {
171 frozen = true;
172 if( state.testFlag(Stopped) ) value = minimum();
173 setValue(qRound(value));
174 freezeTimer->start();
175 }
176 else {
177 if(hasTracking())
178 {
179 blockSignals(true);
180 moved(qRound(value));
181 blockSignals(false);
182 emit sliderMoved(qRound(value));
183 if(!dragDelayTimer->isActive())
184 dragDelayTimer->start();
185 }
186 else
187 moved(qRound(value));
188 }
189}
190
191bool PanelSeeker::event(QEvent *e)
192{
193 if(e->type() == QEvent::HoverMove || e->type() == QEvent::HoverEnter )
194 {
195 QHoverEvent* he = static_cast<QHoverEvent*>(e);
196 if( knobRect.contains(he->pos()) )
197 {
198 setState(Hovered, true);
199 }
200 else
201 {
202 setState(Hovered, false);
203 }
204 }
205 if(e->type() == QEvent::HoverLeave)
206 {
207 setState(Hovered, false);
208 }
209 return QAbstractSlider::event(e);
210}
211
212qreal PanelSeeker::valueForPos(int pos)
213{
214 qreal value = (qreal)( pos - (leftRightMargin + knobCurrentPix.width()/2) ) * maximum() /(width() - (leftRightMargin) - (leftRightMargin) - knobCurrentPix.width());
215 return value;
216}
217
218void PanelSeeker::setState(State st, bool on)
219{
220 if(on)
221 {
222 if(state.testFlag(st)) return;
223 state |= st;
224 }
225 else
226 {
227 if(!state.testFlag(st)) return;
228 state &= ~st;
229 }
230 if(state.testFlag(Buffering))
231 {
232 startTimer(100);
233 }
234 if(state.testFlag(Disabled))
235 {
236 knobCurrentPix = knobPix.pixmap(MyIcon::Disabled, MyIcon::Off);
237 }
238 else if(state.testFlag(Pressed))
239 {
240 knobCurrentPix = knobPix.pixmap(MyIcon::MouseDown, MyIcon::Off);
241 }
242 else if(state.testFlag(Hovered))
243 {
244 knobCurrentPix = knobPix.pixmap(MyIcon::MouseOver, MyIcon::Off);
245 }
246 else
247 {
248 knobCurrentPix = knobPix.pixmap(MyIcon::Normal, MyIcon::Off);
249 }
250 update();
251}
252
253void PanelSeeker::moved( int value)
254{
255 if(value > maximum()) value = maximum();
256 if(value < minimum()) value = minimum();
257 if( state.testFlag(Stopped) ) value = minimum();
258
259 qreal ratio = (qreal)(value - minimum())/(maximum()-minimum());
260 qreal centerPixel = ratio*(width() - (leftRightMargin ) - (leftRightMargin) - knobCurrentPix.width());
261 QSize size = knobPix.size(MyIcon::Normal, MyIcon::Off);
262 knobRect = QRectF(QPointF(centerPixel + (leftRightMargin + knobCurrentPix.width()/2) - size.width()/2, ( height() - size.height())/2 ), size );
263 setSliderPosition(value);
264 update();
265}
266
267void PanelSeeker::resizeEvent(QResizeEvent *)
268{
269 setSliderValue(value());
270}
271
272void PanelSeeker::changeEvent(QEvent *e)
273{
274 if(e->type() == QEvent::EnabledChange)
275 {
276 if(isEnabled())
277 {
278 setState(Disabled, false);
279 setState(Stopped, false);
280
281 }
282 else
283 {
284 setState(Disabled, true);
285 setState(Stopped, true);
286 }
287 }
288}
289
290void PanelSeeker::timerEvent(QTimerEvent *t)
291{
292 if(!state.testFlag(Buffering))
293 {
294 killTimer(t->timerId());
295 bufferingPixShift = 0;
296 }
297 else
298 {
299 bufferingPixShift +=1;
300 bufferingPixShift = qRound(bufferingPixShift)% bufferingPix.width();
301 update();
302 }
303}
304
305void PanelSeeker::setSliderValue(int value)
306{
307 if(!isPressed && !frozen)
308 {
309 blockSignals(true);
310 moved(value);
311 setValue(value);
312 blockSignals(false);
313 }
314}
315
316void PanelSeeker::stopFreeze()
317{
318 frozen = false;
319 update();
320}
321
322void PanelSeeker::goToSliderPosition()
323{
324 emit valueChanged(sliderPosition());
325 dragDelayTimer->stop();
326}
327
328void PanelSeeker::wheelEvent(QWheelEvent *e)
329{
330 blockSignals(true);
331 QAbstractSlider::wheelEvent(e);
332 moved(value());
333 blockSignals(false);
334 frozen = true;
335 freezeTimer->start();
336 if(!dragDelayTimer->isActive())
337 dragDelayTimer->start();
338
339}
340
341#include "moc_panelseeker.cpp"
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