source: smplayer/trunk/src/skingui/panelseeker.cpp@ 165

Last change on this file since 165 was 165, checked in by Silvan Scherrer, 11 years ago

SMPlayer: update trunk to latest 0.8.7
File size: 9.8 KB
Line 
1/* smplayer, GUI front-end for mplayer.
2 Copyright (C) 2006-2014 Ricardo Villalba <rvm@users.sourceforge.net>
3 umplayer, Copyright (C) 2010 Ori Rejwan
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18*/
19
20#include "panelseeker.h"
21#include <QPainter>
22#include <QSlider>
23#include <QMouseEvent>
24#include <QDebug>
25#include <QToolTip>
26#include "global.h"
27#include "preferences.h"
28#include "config.h"
29#include "helper.h"
30
31
32using namespace Global;
33
34
35PanelSeeker::PanelSeeker(QWidget *parent) :
36 QAbstractSlider(parent), isPressed(false), leftRightMargin(5), bufferingPixShift(0),
37 frozen(false), delayPeriod(100), frozenPeriod(500)
38{
39 setAttribute(Qt::WA_StyledBackground, true);
40 setAttribute(Qt::WA_Hover, true);
41 setEnabled(false);
42 setState(Stopped, true);
43 setTracking(pref->update_while_seeking);
44 connect(this, SIGNAL(valueChanged(int)), this, SLOT(moved(int)));
45 setRange(0, 100);
46 freezeTimer = new QTimer(this);
47 freezeTimer->setInterval(frozenPeriod);
48 freezeTimer->setSingleShot(true);
49 dragDelayTimer = new QTimer(this);
50 dragDelayTimer->setInterval(delayPeriod);
51 dragDelayTimer->setSingleShot(true);
52 connect(freezeTimer, SIGNAL(timeout()), this, SLOT(stopFreeze()));
53 connect(dragDelayTimer, SIGNAL(timeout()), this, SLOT(goToSliderPosition()));
54}
55
56
57void PanelSeeker::paintEvent(QPaintEvent * e)
58{
59 QPainter p(this);
60
61 p.drawPixmap( leftRightMargin, (height()- leftPix.height())/2 , leftPix );
62 p.drawTiledPixmap(QRect(leftRightMargin + leftPix.width(), (height()- centerPix.height())/2 ,width() - 2*leftRightMargin - leftPix.width() - rightPix.width(),centerPix.height()), centerPix);
63
64 p.drawPixmap( width()-rightPix.width() - leftRightMargin , (height()- rightPix.height())/2 , rightPix);
65
66 if(state.testFlag(Buffering))
67 {
68 p.drawTiledPixmap(QRect(leftRightMargin + leftPix.width(), (height()- bufferingPix.height())/2, width() - 2*leftRightMargin -leftPix.width() - rightPix.width(), bufferingPix.height()), bufferingPix, QPoint(bufferingPixShift, 0) );
69 }
70 else
71 {
72 if(isEnabled())
73 {
74 p.drawTiledPixmap(QRect(leftRightMargin + leftPix.width(), (height()- progressPix.height())/2 , knobRect.center().x() - leftRightMargin - leftPix.width(), progressPix.height()), progressPix);
75 }
76 p.drawPixmap(knobRect.toRect(), knobCurrentPix );
77 }
78
79
80}
81
82void PanelSeeker::setKnobIcon( QPixmap pix )
83{
84 int w = pix.width();
85 int h = pix.height();
86 knobPix.setPixmap(pix.copy(0, 0, w, h/4 ), MyIcon::Normal, MyIcon::Off);
87 knobPix.setPixmap(pix.copy(0, h/4, w, h/4 ), MyIcon::MouseOver, MyIcon::Off);
88 knobPix.setPixmap(pix.copy(0, h/2, w, h/4 ), MyIcon::MouseDown, MyIcon::Off);
89 knobPix.setPixmap(pix.copy(0, 3*h/4, w, h/4 ), MyIcon::Disabled, MyIcon::Off);
90 knobCurrentPix = knobPix.pixmap(MyIcon::Normal, MyIcon::Off);
91 /* setSliderValue(minimum()); */
92 setState(Normal, true);
93}
94
95/*
96void PanelSeeker::setSingleKnobIcon(QPixmap pix)
97{
98 knobPix.setPixmap(pix, MyIcon::Normal, MyIcon::Off);
99 knobPix.setPixmap(pix, MyIcon::MouseOver, MyIcon::Off);
100 knobPix.setPixmap(pix, MyIcon::MouseDown, MyIcon::Off);
101 knobPix.setPixmap(pix, MyIcon::Disabled, MyIcon::Off);
102 setSliderValue(minimum());
103 setState(Normal, true);
104}
105*/
106
107void PanelSeeker::mousePressEvent(QMouseEvent *m)
108{
109 m->accept();
110 setTracking(pref->update_while_seeking);
111 if(m->button() == Qt::LeftButton)
112 {
113 #if QT_VERSION >= 0x050000
114 QPointF pos = m->localPos();
115 #else
116 QPointF pos = m->posF();
117 #endif
118 if(knobRect.contains(pos))
119 {
120 isPressed = true;
121 mousePressPos = pos;
122 mousePressDifference = pos.x() - knobRect.center().x();
123 setSliderDown(true);
124 setState(Pressed, true);
125 }
126 else
127 {
128 isPressed = false;
129 #if QT_VERSION >= 0x050000
130 knobAdjust( m->localPos().x() - knobRect.center().x(), true);
131 #else
132 knobAdjust( m->posF().x() - knobRect.center().x(), true);
133 #endif
134 }
135 }
136}
137
138void PanelSeeker::mouseMoveEvent(QMouseEvent *m)
139{
140 m->accept();
141 if(isPressed)
142 {
143 #if QT_VERSION >= 0x050000
144 knobAdjust(m->localPos().x() - knobRect.center().x() - mousePressDifference );
145 #else
146 knobAdjust(m->posF().x() - knobRect.center().x() - mousePressDifference );
147 #endif
148 }
149}
150
151void PanelSeeker::mouseReleaseEvent(QMouseEvent *m)
152{
153 setSliderDown(false);
154 if(isPressed)
155 {
156 isPressed = false;
157 setState(Pressed, false);
158 frozen = true;
159 freezeTimer->start();
160 /*if(mousePressPos == m->pos())
161 {
162 knobAdjust( m->posF().x() - knobRect.center().x(), true);
163 triggerAction(SliderMove);
164 } */
165 }
166}
167
168void PanelSeeker::resetKnob( bool start)
169{
170 if(start)
171 {
172 moved(minimum());
173 }
174 else
175 {
176 moved(maximum());
177 }
178}
179
180void PanelSeeker::knobAdjust(qreal x, bool isSetValue)
181{
182 if(state.testFlag(Buffering)) return;
183 qreal value = minimum() + (knobRect.center().x() - (leftRightMargin + knobCurrentPix.width()/2) +x ) * (maximum() - minimum()) /(width() - (leftRightMargin) - (leftRightMargin) - knobCurrentPix.width()) ;
184 if(isSetValue)
185 {
186 frozen = true;
187 if( state.testFlag(Stopped) ) value = minimum();
188 setValue(qRound(value));
189 freezeTimer->start();
190 }
191 else {
192 if(hasTracking())
193 {
194 blockSignals(true);
195 moved(qRound(value));
196 blockSignals(false);
197 emit sliderMoved(qRound(value));
198 if(!dragDelayTimer->isActive())
199 dragDelayTimer->start();
200 }
201 else
202 moved(qRound(value));
203 }
204}
205
206bool PanelSeeker::event(QEvent *e)
207{
208 if(e->type() == QEvent::HoverMove || e->type() == QEvent::HoverEnter )
209 {
210 QHoverEvent* he = static_cast<QHoverEvent*>(e);
211 if( knobRect.contains(he->pos()) )
212 {
213 setState(Hovered, true);
214 }
215 else
216 {
217 setState(Hovered, false);
218 }
219 }
220 if(e->type() == QEvent::HoverLeave)
221 {
222 setState(Hovered, false);
223 }
224 return QAbstractSlider::event(e);
225}
226
227qreal PanelSeeker::valueForPos(int pos)
228{
229 qreal value = (qreal)( pos - (leftRightMargin + knobCurrentPix.width()/2) ) * maximum() /(width() - (leftRightMargin) - (leftRightMargin) - knobCurrentPix.width());
230 return value;
231}
232
233void PanelSeeker::setState(State st, bool on)
234{
235 if(on)
236 {
237 if(state.testFlag(st)) return;
238 state |= st;
239 }
240 else
241 {
242 if(!state.testFlag(st)) return;
243 state &= ~st;
244 }
245 if(state.testFlag(Buffering))
246 {
247 startTimer(100);
248 }
249 if(state.testFlag(Disabled))
250 {
251 knobCurrentPix = knobPix.pixmap(MyIcon::Disabled, MyIcon::Off);
252 }
253 else if(state.testFlag(Pressed))
254 {
255 knobCurrentPix = knobPix.pixmap(MyIcon::MouseDown, MyIcon::Off);
256 }
257 else if(state.testFlag(Hovered))
258 {
259 knobCurrentPix = knobPix.pixmap(MyIcon::MouseOver, MyIcon::Off);
260 }
261 else
262 {
263 knobCurrentPix = knobPix.pixmap(MyIcon::Normal, MyIcon::Off);
264 }
265 update();
266}
267
268void PanelSeeker::moved( int value)
269{
270 if(value > maximum()) value = maximum();
271 if(value < minimum()) value = minimum();
272 if( state.testFlag(Stopped) ) value = minimum();
273
274 qreal ratio = (qreal)(value - minimum())/(maximum()-minimum());
275 qreal centerPixel = ratio*(width() - (leftRightMargin ) - (leftRightMargin) - knobCurrentPix.width());
276 QSize size = knobPix.size(MyIcon::Normal, MyIcon::Off);
277 knobRect = QRectF(QPointF(centerPixel + (leftRightMargin + knobCurrentPix.width()/2) - size.width()/2, ( height() - size.height())/2 ), size );
278 setSliderPosition(value);
279 update();
280}
281
282void PanelSeeker::resizeEvent(QResizeEvent *)
283{
284 setSliderValue(value());
285}
286
287void PanelSeeker::changeEvent(QEvent *e)
288{
289 if(e->type() == QEvent::EnabledChange)
290 {
291 if(isEnabled())
292 {
293 setState(Disabled, false);
294 setState(Stopped, false);
295
296 }
297 else
298 {
299 setState(Disabled, true);
300 setState(Stopped, true);
301 }
302 }
303}
304
305void PanelSeeker::timerEvent(QTimerEvent *t)
306{
307 if(!state.testFlag(Buffering))
308 {
309 killTimer(t->timerId());
310 bufferingPixShift = 0;
311 }
312 else
313 {
314 bufferingPixShift +=1;
315 bufferingPixShift = qRound(bufferingPixShift)% bufferingPix.width();
316 update();
317 }
318}
319
320void PanelSeeker::setSliderValue(int value)
321{
322 if(!isPressed && !frozen)
323 {
324 blockSignals(true);
325 moved(value);
326 setValue(value);
327 blockSignals(false);
328 }
329}
330
331void PanelSeeker::stopFreeze()
332{
333 frozen = false;
334 update();
335}
336
337void PanelSeeker::goToSliderPosition()
338{
339 emit valueChanged(sliderPosition());
340 dragDelayTimer->stop();
341}
342
343void PanelSeeker::wheelEvent(QWheelEvent *e)
344{
345 blockSignals(true);
346 QAbstractSlider::wheelEvent(e);
347 moved(value());
348 blockSignals(false);
349 frozen = true;
350 freezeTimer->start();
351 if(!dragDelayTimer->isActive())
352 dragDelayTimer->start();
353
354}
355
356#include "moc_panelseeker.cpp"
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