+/***************************************************************************
+ * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
+ ***************************************************************************/
-#include <QMouseEvent>
-#include <QStylePainter>
+
+#include "smallruler.h"
#include <KDebug>
-#define LITTLE_MARK_X2 15
-#define LITTLE_MARK_X1 13
-#define MIDDLE_MARK_X1 9
-#define MIDDLE_MARK_X2 15
+#include <QMouseEvent>
+#include <QStylePainter>
-#define LABEL_SIZE 8
+SmallRuler::SmallRuler(MonitorManager *manager, QWidget *parent) :
+ QWidget(parent),
+ m_scale(1),
+ m_maxval(25),
+ m_manager(manager)
+{
+ m_zoneStart = 10;
+ m_zoneEnd = 60;
+ m_zoneColor = QColor(133, 255, 143);
+ setMouseTracking(true);
+}
-#include "smallruler.h"
+void SmallRuler::adjustScale(int maximum)
+{
+ m_maxval = maximum;
+ m_scale = (double) width() / (double) maximum;
+ if (m_scale == 0) m_scale = 1;
+
+ if (m_scale > 0.5) {
+ m_small = 25;
+ m_medium = 5 * 25;
+ } else if (m_scale > 0.09) {
+ m_small = 5 * 25;
+ m_medium = 30 * 25;
+ } else {
+ m_small = 30 * 25;
+ m_medium = 60 * 25;
+ }
+ m_cursorPosition = m_cursorFramePosition * m_scale;
+ updatePixmap();
+}
+void SmallRuler::setZone(int start, int end)
+{
+ if (start != -1) {
+ if (end != -1 && start >= end) {
+ m_zoneEnd = qMin(m_maxval, end + (start - m_zoneStart));
+ m_zoneStart = start;
+ } else if (end == -1 && start >= m_zoneEnd) {
+ m_zoneEnd = qMin(m_maxval, m_zoneEnd + (start - m_zoneStart));
+ m_zoneStart = start;
+ } else m_zoneStart = start;
+ }
+ if (end != -1) {
+ if (start != -1 && end <= start) {
+ m_zoneStart = qMax(0, start - (m_zoneEnd - end));
+ m_zoneEnd = end;
+ } else if (start == -1 && end <= m_zoneStart) {
+ m_zoneStart = qMax(0, m_zoneStart - (m_zoneEnd - end));
+ m_zoneEnd = end;
+ } else m_zoneEnd = end;
+ }
+ updatePixmap();
+}
-SmallRuler::SmallRuler(QWidget *parent)
- : KRuler(parent)
+void SmallRuler::setMarkers(QList < int > list)
{
- setShowPointer(true);
- setShowBigMarks(false);
- setShowTinyMarks(false);
- slotNewOffset(0);
- setRulerMetricStyle(KRuler::Custom);
- setLengthFixed(true);
+ m_markers = list;
+ updatePixmap();
}
-void SmallRuler::setPixelPerMark ( double rate )
+QPoint SmallRuler::zone()
{
- kDebug()<<" RULER SET RATE: "<<rate;
- if (rate > 0.5) {
- setLittleMarkDistance(25);
- setMediumMarkDistance(5 * 25);
- }
- else if (rate > 0.09) {
- setLittleMarkDistance(5 * 25);
- setMediumMarkDistance(30 * 25);
- }
- else {
- setLittleMarkDistance(30 * 25);
- setMediumMarkDistance(60 * 25);
- }
-
- KRuler::setPixelPerMark( rate );
+ return QPoint(m_zoneStart, m_zoneEnd);
}
-// virtual
-void SmallRuler::mousePressEvent ( QMouseEvent * event )
+// virtual
+void SmallRuler::mousePressEvent(QMouseEvent * event)
{
- int pos = event->x();
- //slotNewValue( pos );
- emit seekRenderer(pos);
- kDebug()<<pos;
+ const int pos = event->x() / m_scale;
+ if (event->button() == Qt::RightButton) {
+ // Right button clicked, move selection zone
+ if (qAbs(pos - m_zoneStart) < qAbs(pos - m_zoneEnd)) m_zoneStart = pos;
+ else m_zoneEnd = pos;
+ emit zoneChanged(QPoint(m_zoneStart, m_zoneEnd));
+ updatePixmap();
+
+ } else emit seekRenderer((int) pos);
}
// virtual
-void SmallRuler::mouseMoveEvent ( QMouseEvent * event )
+void SmallRuler::mouseMoveEvent(QMouseEvent * event)
+{
+ const int pos = event->x() / m_scale;
+ if (event->buttons() & Qt::LeftButton) emit seekRenderer((int) pos);
+ else {
+ if (qAbs((pos - m_zoneStart) * m_scale) < 4) {
+ setToolTip(i18n("Zone start: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneStart)));
+ } else if (qAbs((pos - m_zoneEnd) * m_scale) < 4) {
+ setToolTip(i18n("Zone end: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneEnd)));
+ } else if (pos > m_zoneStart && pos < m_zoneEnd) {
+ setToolTip(i18n("Zone duration: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
+ } else setToolTip(i18n("Position: %1", m_manager->timecode().getTimecodeFromFrames(pos)));
+ }
+}
+
+bool SmallRuler::slotNewValue(int value)
{
- int pos = event->x();
- //slotNewValue( pos );
- emit seekRenderer(pos);
- kDebug()<<pos;
+ m_cursorFramePosition = value;
+ int oldPos = m_cursorPosition;
+ m_cursorPosition = value * m_scale;
+ if (oldPos == m_cursorPosition) return false;
+ const int offset = 6;
+ const int x = qMin(oldPos, m_cursorPosition);
+ const int w = qAbs(oldPos - m_cursorPosition);
+ update(x - offset, 4, w + 2 * offset, 6);
+ return true;
}
-void SmallRuler::slotNewValue ( int _value )
+//virtual
+void SmallRuler::resizeEvent(QResizeEvent *)
{
- m_cursorPosition = _value / pixelPerMark();
- KRuler::slotNewValue(_value);
+ adjustScale(m_maxval);
+}
+
+void SmallRuler::updatePixmap()
+{
+ m_pixmap = QPixmap(width(), height());
+ m_pixmap.fill(palette().window().color());
+ QPainter p(&m_pixmap);
+ double f, fend;
+
+ const int zoneStart = (int)(m_zoneStart * m_scale);
+ const int zoneEnd = (int)(m_zoneEnd * m_scale);
+ p.fillRect(zoneStart, height() / 2 - 1, zoneEnd - zoneStart, height() / 2, m_zoneColor);
+
+ // draw markers
+ if (!m_markers.isEmpty()) {
+ p.setPen(Qt::red);
+ for (int i = 0; i < m_markers.count(); i++) {
+ p.drawLine(m_markers.at(i) * m_scale, 0, m_markers.at(i) * m_scale, 9);
+ }
+ }
+ p.setPen(palette().dark().color());
+ // draw the little marks
+ fend = m_scale * m_small;
+ if (fend > 2) for (f = 0; f < width(); f += fend) {
+ p.drawLine((int)f, 0, (int)f, 3);
+ }
+
+ // draw medium marks
+ fend = m_scale * m_medium;
+ if (fend > 2) for (f = 0; f < width(); f += fend) {
+ p.drawLine((int)f, 0, (int)f, 6);
+ }
+ p.end();
+ update();
}
// virtual
-void SmallRuler::paintEvent(QPaintEvent * /*e*/)
- {
- // debug ("KRuler::drawContents, %s",(horizontal==dir)?"horizontal":"vertical");
-
- QStylePainter p(this);
-
-
- int value = this->value(),
- minval = minimum(),
- maxval;
- maxval = maximum()
- + offset() - endOffset();
-
- //ioffsetval = value-offset;
- // pixelpm = (int)ppm;
- // left = clip.left(),
- // right = clip.right();
- double f, fend,
- offsetmin=(double)(minval-offset()),
- offsetmax=(double)(maxval-offset()),
- fontOffset = (((double)minval)>offsetmin)?(double)minval:offsetmin;
-
- // draw labels
- QFont font = p.font();
- font.setPointSize(LABEL_SIZE);
- p.setFont( font );
-
- if (showLittleMarks()) {
- // draw the little marks
- fend = pixelPerMark()*littleMarkDistance();
- if (fend > 2) for ( f=offsetmin; f<offsetmax; f+=fend ) {
- p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
- }
- }
- if (showMediumMarks()) {
- // draw medium marks
- fend = pixelPerMark()*mediumMarkDistance();
- if (fend > 2) for ( f=offsetmin; f<offsetmax; f+=fend ) {
- p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
- }
- }
-
-/* if (d->showem) {
- // draw end marks
- if (d->dir == Qt::Horizontal) {
- p.drawLine(minval-d->offset, END_MARK_X1, minval-d->offset, END_MARK_X2);
- p.drawLine(maxval-d->offset, END_MARK_X1, maxval-d->offset, END_MARK_X2);
- }
- else {
- p.drawLine(END_MARK_X1, minval-d->offset, END_MARK_X2, minval-d->offset);
- p.drawLine(END_MARK_X1, maxval-d->offset, END_MARK_X2, maxval-d->offset);
- }
- }*/
-
- // draw pointer
- if (showPointer()) {
- QPolygon pa(4);
- pa.setPoints(3, value-6, 9, value+6, 9, value/*+0*/, 16);
- p.setBrush( QBrush(Qt::yellow) );
- p.drawPolygon( pa );
- }
-
- }
+void SmallRuler::paintEvent(QPaintEvent *e)
+{
+
+ QPainter p(this);
+ QRect r = e->rect();
+ p.setClipRect(r);
+ p.drawPixmap(QPointF(), m_pixmap);
+
+ // draw pointer
+ QPolygon pa(3);
+ pa.setPoints(3, m_cursorPosition - 5, 10, m_cursorPosition + 5, 10, m_cursorPosition/*+0*/, 5);
+ p.setBrush(palette().dark().color());
+ p.setPen(Qt::NoPen);
+ p.drawPolygon(pa);
+}
#include "smallruler.moc"