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(Monitor *monitor, Render *render, QWidget *parent) :
36 ,m_cursorFramePosition(0)
40 ,m_lastSeekPosition(SEEK_INACTIVE)
41 ,m_cursorColor(palette().text())
45 KSharedConfigPtr config = KSharedConfig::openConfig(KdenliveSettings::colortheme());
46 m_zoneColor = KStatefulBrush(KColorScheme::View, KColorScheme::FocusColor, config).brush(this).color();
47 m_zoneColor.setAlpha(180);
49 setMouseTracking(true);
51 adjustScale(m_maxval);
55 void SmallRuler::adjustScale(int maximum)
58 m_scale = (double) width() / (double) maximum;
59 if (m_scale == 0) m_scale = 1;
64 } else if (m_scale > 0.09) {
74 void SmallRuler::setZoneStart()
76 int pos = m_render->requestedSeekPosition;
77 if (pos == SEEK_INACTIVE) pos = m_render->seekFramePosition();
81 void SmallRuler::setZoneEnd()
83 int pos = m_render->requestedSeekPosition;
84 if (pos == SEEK_INACTIVE) pos = m_render->seekFramePosition();
88 void SmallRuler::setZone(int start, int end)
91 if (end != -1 && start >= end) {
92 m_zoneEnd = qMin(m_maxval, end + (start - m_zoneStart));
94 } else if (end == -1 && start >= m_zoneEnd) {
95 m_zoneEnd = qMin(m_maxval, m_zoneEnd + (start - m_zoneStart));
97 } else m_zoneStart = start;
100 if (start != -1 && end <= start) {
101 m_zoneStart = qMax(0, start - (m_zoneEnd - end));
103 } else if (start == -1 && end <= m_zoneStart) {
104 m_zoneStart = qMax(0, m_zoneStart - (m_zoneEnd - end));
106 } else m_zoneEnd = end;
111 void SmallRuler::setMarkers(QList < CommentedTime > list)
117 QPoint SmallRuler::zone()
119 return QPoint(m_zoneStart, m_zoneEnd);
123 void SmallRuler::mousePressEvent(QMouseEvent * event)
125 const int pos = event->x() / m_scale;
126 if (event->button() == Qt::RightButton) {
127 // Right button clicked, move selection zone
128 if (qAbs(pos - m_zoneStart) < qAbs(pos - m_zoneEnd)) m_zoneStart = pos;
129 else m_zoneEnd = pos;
130 emit zoneChanged(QPoint(m_zoneStart, m_zoneEnd));
133 } else if (pos != m_lastSeekPosition && pos != m_cursorFramePosition) {
134 m_render->seekToFrame(pos);
135 m_lastSeekPosition = pos;
142 void SmallRuler::mouseReleaseEvent(QMouseEvent * event)
149 void SmallRuler::leaveEvent(QEvent * event)
151 QWidget::leaveEvent(event);
152 if (m_cursorColor == palette().link()) {
153 m_cursorColor = palette().text();
159 void SmallRuler::mouseMoveEvent(QMouseEvent * event)
161 const int pos = event->x() / m_scale;
162 if (event->buttons() & Qt::LeftButton) {
163 if (pos != m_lastSeekPosition && pos != m_cursorFramePosition) {
164 m_render->seekToFrame(pos);
165 m_lastSeekPosition = pos;
170 if (m_cursorColor == palette().text() && qAbs(pos - m_cursorFramePosition) * m_scale < 7) {
171 // Mouse is over cursor
172 m_cursorColor = palette().link();
175 else if (m_cursorColor == palette().link() && qAbs(pos - m_cursorFramePosition) * m_scale >= 7) {
176 m_cursorColor = palette().text();
179 if (qAbs((pos - m_zoneStart) * m_scale) < 4) {
180 setToolTip(i18n("Zone start: %1", m_monitor->getTimecodeFromFrames(m_zoneStart)));
181 } else if (qAbs((pos - m_zoneEnd) * m_scale) < 4) {
182 setToolTip(i18n("Zone end: %1", m_monitor->getTimecodeFromFrames(m_zoneEnd)));
184 for (int i = 0; i < m_markers.count(); i++) {
185 if (qAbs((pos - m_markers.at(i).time().frames(m_monitor->fps())) * m_scale) < 4) {
186 // We are on a marker
187 QString markerxt = m_monitor->getMarkerThumb(m_markers.at(i).time());
188 if (!markerxt.isEmpty()) {
189 markerxt.prepend("<img src=\"");
190 markerxt.append("\"><p align=\"center\">");
192 markerxt.append(m_markers.at(i).comment());
193 setToolTip(markerxt);
198 if (pos > m_zoneStart && pos < m_zoneEnd) {
199 setToolTip(i18n("Zone duration: %1", m_monitor->getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
201 else setToolTip(i18n("Position: %1", m_monitor->getTimecodeFromFrames(pos)));
206 void SmallRuler::refreshRuler()
208 m_lastSeekPosition = SEEK_INACTIVE;
212 bool SmallRuler::slotNewValue(int value)
214 if (value == m_cursorFramePosition) return false;
215 if (value == m_lastSeekPosition) m_lastSeekPosition = SEEK_INACTIVE;
216 m_cursorFramePosition = value;
217 /*int oldPos = m_cursorPosition;
218 m_cursorPosition = value * m_scale;
219 const int offset = 6;
220 const int x = qMin(oldPos, m_cursorPosition);
221 const int w = qAbs(oldPos - m_cursorPosition);
222 update(x - offset, 0, w + 2 * offset, height());*/
229 void SmallRuler::resizeEvent(QResizeEvent *)
231 adjustScale(m_maxval);
234 void SmallRuler::updatePixmap()
236 m_pixmap = QPixmap(width(), height());
237 m_pixmap.fill(palette().window().color());
238 m_lastSeekPosition = SEEK_INACTIVE;
239 QPainter p(&m_pixmap);
242 const int zoneStart = (int)(m_zoneStart * m_scale);
243 const int zoneEnd = (int)(m_zoneEnd * m_scale);
244 p.fillRect(zoneStart, 0, zoneEnd - zoneStart, height(), QBrush(m_zoneColor));
247 p.setPen(palette().midlight().color());
248 //p.drawLine(0, 0, width(), 0);
249 p.drawLine(0, height() - 1, width(), height() - 1);
250 p.setPen(palette().dark().color());
251 // draw the little marks
252 fend = m_scale * m_small;
253 if (fend > 2) for (f = 0; f < width(); f += fend) {
254 p.drawLine((int)f, 0, (int)f, 3);
258 fend = m_scale * m_medium;
259 if (fend > 2) for (f = 0; f < width(); f += fend) {
260 p.drawLine((int)f, 0, (int)f, 6);
263 if (!m_markers.isEmpty()) {
264 for (int i = 0; i < m_markers.count(); i++) {
265 int pos = m_markers.at(i).time().frames(m_monitor->fps()) * m_scale;
266 p.setPen(CommentedTime::markerColor(m_markers.at(i).markerType()));
267 p.drawLine(pos, 0, pos, 9);
275 void SmallRuler::paintEvent(QPaintEvent *e)
281 p.drawPixmap(QPointF(), m_pixmap);
282 p.setPen(palette().shadow().color());
283 //p.setRenderHint(QPainter::Antialiasing, true);
284 //p.drawRoundedRect(rect().adjusted(1,1,-2,-2), 3, 3);
286 int cursorPos = m_cursorFramePosition * m_scale;
289 pa.setPoints(3, cursorPos - 6, 7, cursorPos + 6, 7, cursorPos/*+0*/, 0);
290 p.setBrush(m_cursorColor);
294 // Draw seeking pointer
295 if (m_lastSeekPosition != SEEK_INACTIVE && m_lastSeekPosition != m_cursorFramePosition) {
296 p.fillRect(m_lastSeekPosition * m_scale - 1, 0, 3, height(), palette().linkVisited());
300 void SmallRuler::updatePalette()
302 KSharedConfigPtr config = KSharedConfig::openConfig(KdenliveSettings::colortheme());
303 m_zoneColor = KStatefulBrush(KColorScheme::View, KColorScheme::FocusColor, config).brush(this).color();
304 m_zoneColor.setAlpha(180);
308 #include "smallruler.moc"