#include <KDebug>
-#define LITTLE_MARK_X2 8
-#define LITTLE_MARK_X1 5
-#define MIDDLE_MARK_X1 3
-#define MIDDLE_MARK_X2 8
-
-#define LABEL_SIZE 8
-
#include "smallruler.h"
SmallRuler::SmallRuler(QWidget *parent)
- : KRuler(parent) {
- setShowPointer(true);
- setShowBigMarks(false);
- setShowTinyMarks(false);
- slotNewOffset(0);
- setRulerMetricStyle(KRuler::Custom);
- setLengthFixed(true);
+ : QWidget(parent), m_scale(1), m_maxval(25) {
+ m_zoneStart = 10;
+ m_zoneEnd = 60;
}
-void SmallRuler::setPixelPerMark(double rate) {
- 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);
+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 {
- setLittleMarkDistance(30 * 25);
- setMediumMarkDistance(60 * 25);
+ m_small = 30 * 25;
+ m_medium = 60 * 25;
+ }
+ m_cursorPosition = m_cursorFramePosition * m_scale;
+ update();
+}
+
+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;
}
+ update();
+}
- KRuler::setPixelPerMark(rate);
+QPoint SmallRuler::zone() {
+ return QPoint(m_zoneStart, m_zoneEnd);
}
// 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));
+ update();
+
+ } else emit seekRenderer((int) pos);
}
// virtual
void SmallRuler::mouseMoveEvent(QMouseEvent * event) {
- int pos = event->x();
- //slotNewValue( pos );
- emit seekRenderer(pos);
- kDebug() << pos;
+ const int pos = event->x() / m_scale;
+ if (event->buttons() & Qt::LeftButton) emit seekRenderer((int) pos);
}
-void SmallRuler::slotNewValue(int _value) {
- m_cursorPosition = _value / pixelPerMark();
- KRuler::slotNewValue(_value);
+void SmallRuler::slotNewValue(int value) {
+ m_cursorFramePosition = value;
+ int oldPos = m_cursorPosition;
+ m_cursorPosition = value * m_scale;
+ if (oldPos == m_cursorPosition) return;
+ const int offset = 6;
+ const int x = qMin(oldPos, m_cursorPosition);
+ const int w = qAbs(oldPos - m_cursorPosition);
+ update(x - offset, 9, w + 2 * offset, 6);
+}
+
+//virtual
+void SmallRuler::resizeEvent(QResizeEvent *) {
+ adjustScale(m_maxval);
}
// virtual
void SmallRuler::paintEvent(QPaintEvent *e) {
- // debug ("KRuler::drawContents, %s",(horizontal==dir)?"horizontal":"vertical");
-
- QStylePainter p(this);
- p.fillRect(e->rect(), QBrush(QColor(Qt::white)));
+ QPainter p(this);
+ QRect r = e->rect();
+ p.setClipRect(r);
- int value = this->value(),
- minval = minimum(),
- maxval;
- maxval = maximum()
- + offset() - endOffset();
+ double f, fend;
+ p.setPen(palette().dark().color());
- //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;
+ const int zoneStart = (int)(m_zoneStart * m_scale);
+ const int zoneEnd = (int)(m_zoneEnd * m_scale);
- // draw labels
- QFont font = p.font();
- font.setPointSize(LABEL_SIZE);
- p.setFont(font);
+ p.fillRect(QRect(zoneStart, height() / 2, zoneEnd - zoneStart, height() / 2), QBrush(QColor(133, 255, 143)));
- if (showLittleMarks()) {
+ if (r.top() < 9) {
// 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);
+ fend = m_scale * m_small;
+ if (fend > 2) for (f = 0; f < width(); f += fend) {
+ p.drawLine((int)f, 1, (int)f, 3);
}
- }
- 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);
+ fend = m_scale * m_medium;
+ if (fend > 2) for (f = 0; f < width(); f += fend) {
+ p.drawLine((int)f, 1, (int)f, 5);
}
}
- /* 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(3);
- pa.setPoints(3, value - 6, 0, value + 6, 0, value/*+0*/, 8);
- p.setBrush(QBrush(Qt::yellow));
- p.drawPolygon(pa);
- }
-
+ QPolygon pa(3);
+ pa.setPoints(3, m_cursorPosition - 5, 14, m_cursorPosition + 5, 14, m_cursorPosition/*+0*/, 9);
+ p.setBrush(palette().dark().color());
+ p.drawPolygon(pa);
}
#include "smallruler.moc"
projects / kdenlive / blobdiff