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>
28 #include <QMouseEvent>
29 #include <QStylePainter>
31 #define SEEK_INACTIVE (-1)
34 SmallRuler::SmallRuler(MonitorManager *manager, Render *render, QWidget *parent) :
36 ,m_cursorFramePosition(0)
41 ,m_lastSeekPosition(SEEK_INACTIVE)
45 KSharedConfigPtr config = KSharedConfig::openConfig(KdenliveSettings::colortheme());
46 m_zoneBrush = KStatefulBrush(KColorScheme::View, KColorScheme::PositiveBackground, config);
48 setMouseTracking(true);
53 void SmallRuler::adjustScale(int maximum)
56 m_scale = (double) width() / (double) maximum;
57 if (m_scale == 0) m_scale = 1;
62 } else if (m_scale > 0.09) {
72 void SmallRuler::setZoneStart()
74 int pos = m_render->requestedSeekPosition;
75 if (pos == SEEK_INACTIVE) pos = m_render->seekFramePosition();
79 void SmallRuler::setZoneEnd()
81 int pos = m_render->requestedSeekPosition;
82 if (pos == SEEK_INACTIVE) pos = m_render->seekFramePosition();
86 void SmallRuler::setZone(int start, int end)
89 if (end != -1 && start >= end) {
90 m_zoneEnd = qMin(m_maxval, end + (start - m_zoneStart));
92 } else if (end == -1 && start >= m_zoneEnd) {
93 m_zoneEnd = qMin(m_maxval, m_zoneEnd + (start - m_zoneStart));
95 } else m_zoneStart = start;
98 if (start != -1 && end <= start) {
99 m_zoneStart = qMax(0, start - (m_zoneEnd - end));
101 } else if (start == -1 && end <= m_zoneStart) {
102 m_zoneStart = qMax(0, m_zoneStart - (m_zoneEnd - end));
104 } else m_zoneEnd = end;
109 void SmallRuler::setMarkers(QList < int > list)
115 QPoint SmallRuler::zone()
117 return QPoint(m_zoneStart, m_zoneEnd);
121 void SmallRuler::mousePressEvent(QMouseEvent * event)
123 const int pos = event->x() / m_scale;
124 if (event->button() == Qt::RightButton) {
125 // Right button clicked, move selection zone
126 if (qAbs(pos - m_zoneStart) < qAbs(pos - m_zoneEnd)) m_zoneStart = pos;
127 else m_zoneEnd = pos;
128 emit zoneChanged(QPoint(m_zoneStart, m_zoneEnd));
132 m_render->seekToFrame(pos);
133 m_lastSeekPosition = pos;
140 void SmallRuler::mouseMoveEvent(QMouseEvent * event)
142 const int pos = event->x() / m_scale;
143 if (event->buttons() & Qt::LeftButton) {
144 m_render->seekToFrame(pos);
145 m_lastSeekPosition = pos;
149 if (qAbs((pos - m_zoneStart) * m_scale) < 4) {
150 setToolTip(i18n("Zone start: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneStart)));
151 } else if (qAbs((pos - m_zoneEnd) * m_scale) < 4) {
152 setToolTip(i18n("Zone end: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneEnd)));
153 } else if (pos > m_zoneStart && pos < m_zoneEnd) {
154 setToolTip(i18n("Zone duration: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
155 } else setToolTip(i18n("Position: %1", m_manager->timecode().getTimecodeFromFrames(pos)));
159 bool SmallRuler::slotNewValue(int value)
161 if (m_render->requestedSeekPosition != SEEK_INACTIVE) {
162 m_lastSeekPosition = m_render->requestedSeekPosition;
163 if (value == m_lastSeekPosition) m_lastSeekPosition = SEEK_INACTIVE;
165 if (value == m_cursorFramePosition) return false;
166 m_cursorFramePosition = value;
167 /*int oldPos = m_cursorPosition;
168 m_cursorPosition = value * m_scale;
169 const int offset = 6;
170 const int x = qMin(oldPos, m_cursorPosition);
171 const int w = qAbs(oldPos - m_cursorPosition);
172 update(x - offset, 0, w + 2 * offset, height());*/
179 void SmallRuler::resizeEvent(QResizeEvent *)
181 adjustScale(m_maxval);
184 void SmallRuler::updatePixmap()
186 m_pixmap = QPixmap(width(), height());
187 m_pixmap.fill(palette().window().color());
188 m_lastSeekPosition = SEEK_INACTIVE;
189 QPainter p(&m_pixmap);
192 const int zoneStart = (int)(m_zoneStart * m_scale);
193 const int zoneEnd = (int)(m_zoneEnd * m_scale);
195 p.setBrush(m_zoneBrush.brush(this));
196 p.drawRect(zoneStart, height() / 2 - 1, zoneEnd - zoneStart, height() / 2);
199 p.setPen(palette().text().color());
200 // draw the little marks
201 fend = m_scale * m_small;
202 if (fend > 2) for (f = 0; f < width(); f += fend) {
203 p.drawLine((int)f, 0, (int)f, 3);
207 fend = m_scale * m_medium;
208 if (fend > 2) for (f = 0; f < width(); f += fend) {
209 p.drawLine((int)f, 0, (int)f, 6);
212 if (!m_markers.isEmpty()) {
214 for (int i = 0; i < m_markers.count(); i++) {
215 p.drawLine(m_markers.at(i) * m_scale, 0, m_markers.at(i) * m_scale, 9);
223 void SmallRuler::paintEvent(QPaintEvent *e)
229 p.drawPixmap(QPointF(), m_pixmap);
231 int cursorPos = m_cursorFramePosition * m_scale;
234 pa.setPoints(3, cursorPos - 6, 10, cursorPos + 6, 10, cursorPos/*+0*/, 4);
235 p.setBrush(palette().text());
239 // Draw seeking pointer
240 if (m_lastSeekPosition != SEEK_INACTIVE && m_lastSeekPosition != m_cursorFramePosition) {
241 p.fillRect(m_lastSeekPosition * m_scale - 1, 0, 3, height(), palette().highlight());
245 void SmallRuler::updatePalette()
247 KSharedConfigPtr config = KSharedConfig::openConfig(KdenliveSettings::colortheme());
248 m_zoneBrush = KStatefulBrush(KColorScheme::View, KColorScheme::PositiveBackground, config);
252 #include "smallruler.moc"