1 /***************************************************************************
2 * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
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. *
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. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
21 #include "smallruler.h"
22 #include "kdenlivesettings.h"
25 #include <KColorScheme>
27 #include <QMouseEvent>
28 #include <QStylePainter>
31 SmallRuler::SmallRuler(MonitorManager *manager, QWidget *parent) :
39 m_zoneColor = KStatefulBrush(KColorScheme::View, KColorScheme::PositiveBackground, KSharedConfig::openConfig(KdenliveSettings::colortheme())).brush(this).color();
40 setMouseTracking(true);
44 void SmallRuler::adjustScale(int maximum)
47 m_scale = (double) width() / (double) maximum;
48 if (m_scale == 0) m_scale = 1;
53 } else if (m_scale > 0.09) {
60 m_cursorPosition = m_cursorFramePosition * m_scale;
64 void SmallRuler::setZone(int start, int end)
67 if (end != -1 && start >= end) {
68 m_zoneEnd = qMin(m_maxval, end + (start - m_zoneStart));
70 } else if (end == -1 && start >= m_zoneEnd) {
71 m_zoneEnd = qMin(m_maxval, m_zoneEnd + (start - m_zoneStart));
73 } else m_zoneStart = start;
76 if (start != -1 && end <= start) {
77 m_zoneStart = qMax(0, start - (m_zoneEnd - end));
79 } else if (start == -1 && end <= m_zoneStart) {
80 m_zoneStart = qMax(0, m_zoneStart - (m_zoneEnd - end));
82 } else m_zoneEnd = end;
87 void SmallRuler::setMarkers(QList < int > list)
93 QPoint SmallRuler::zone()
95 return QPoint(m_zoneStart, m_zoneEnd);
99 void SmallRuler::mousePressEvent(QMouseEvent * event)
101 const int pos = event->x() / m_scale;
102 if (event->button() == Qt::RightButton) {
103 // Right button clicked, move selection zone
104 if (qAbs(pos - m_zoneStart) < qAbs(pos - m_zoneEnd)) m_zoneStart = pos;
105 else m_zoneEnd = pos;
106 emit zoneChanged(QPoint(m_zoneStart, m_zoneEnd));
109 } else emit seekRenderer((int) pos);
113 void SmallRuler::mouseMoveEvent(QMouseEvent * event)
115 const int pos = event->x() / m_scale;
116 if (event->buttons() & Qt::LeftButton) emit seekRenderer((int) pos);
118 if (qAbs((pos - m_zoneStart) * m_scale) < 4) {
119 setToolTip(i18n("Zone start: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneStart)));
120 } else if (qAbs((pos - m_zoneEnd) * m_scale) < 4) {
121 setToolTip(i18n("Zone end: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneEnd)));
122 } else if (pos > m_zoneStart && pos < m_zoneEnd) {
123 setToolTip(i18n("Zone duration: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
124 } else setToolTip(i18n("Position: %1", m_manager->timecode().getTimecodeFromFrames(pos)));
128 bool SmallRuler::slotNewValue(int value)
130 if (value == m_cursorFramePosition) return false;
131 m_cursorFramePosition = value;
132 int oldPos = m_cursorPosition;
133 m_cursorPosition = value * m_scale;
134 const int offset = 6;
135 const int x = qMin(oldPos, m_cursorPosition);
136 const int w = qAbs(oldPos - m_cursorPosition);
137 update(x - offset, 4, w + 2 * offset, 6);
142 void SmallRuler::resizeEvent(QResizeEvent *)
144 adjustScale(m_maxval);
147 void SmallRuler::updatePixmap()
149 m_pixmap = QPixmap(width(), height());
150 m_pixmap.fill(palette().window().color());
151 QPainter p(&m_pixmap);
154 const int zoneStart = (int)(m_zoneStart * m_scale);
155 const int zoneEnd = (int)(m_zoneEnd * m_scale);
156 p.fillRect(zoneStart, height() / 2 - 1, zoneEnd - zoneStart, height() / 2, m_zoneColor);
159 p.setPen(palette().text().color());
160 // draw the little marks
161 fend = m_scale * m_small;
162 if (fend > 2) for (f = 0; f < width(); f += fend) {
163 p.drawLine((int)f, 0, (int)f, 3);
167 fend = m_scale * m_medium;
168 if (fend > 2) for (f = 0; f < width(); f += fend) {
169 p.drawLine((int)f, 0, (int)f, 6);
172 if (!m_markers.isEmpty()) {
174 for (int i = 0; i < m_markers.count(); i++) {
175 p.drawLine(m_markers.at(i) * m_scale, 0, m_markers.at(i) * m_scale, 9);
183 void SmallRuler::paintEvent(QPaintEvent *e)
189 p.drawPixmap(QPointF(), m_pixmap);
193 pa.setPoints(3, m_cursorPosition - 5, 10, m_cursorPosition + 5, 10, m_cursorPosition/*+0*/, 5);
194 p.setBrush(palette().text().color());
199 #include "smallruler.moc"