83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
#include "timelineheader.h"
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#include "panels/panels.h"
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#include "panels/timeline.h"
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#include "project/sequence.h"
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#include <QPainter>
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#include <QMouseEvent>
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#define CLICK_RANGE 5
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#define PLAYHEAD_SIZE 6
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TimelineHeader::TimelineHeader(QWidget *parent) : QWidget(parent)
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{
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dragging = false;
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setCursor(Qt::ArrowCursor);
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}
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void set_playhead(QMouseEvent* event) {
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long frame = panel_timeline->getFrameFromScreenPoint(event->pos().x());
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panel_timeline->snap_to_clip(&frame, false);
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panel_timeline->seek(frame);
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panel_timeline->repaint_timeline();
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}
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void TimelineHeader::mousePressEvent(QMouseEvent* event) {
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/*if (panel_timeline->using_workarea) {
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event->pos().x()
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if (panel_timeline->workarea_in)
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} else {
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}*/
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set_playhead(event);
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dragging = true;
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}
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void TimelineHeader::mouseMoveEvent(QMouseEvent* event) {
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if (dragging) set_playhead(event);
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}
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void TimelineHeader::mouseReleaseEvent(QMouseEvent *) {
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dragging = false;
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panel_timeline->snapped = false;
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panel_timeline->repaint_timeline();
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}
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void TimelineHeader::paintEvent(QPaintEvent*) {
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if (sequence != NULL) {
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QPainter p(this);
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p.setPen(Qt::gray);
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int interval = 0;
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int multiplier = 0;
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do {
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multiplier++;
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interval = panel_timeline->getScreenPointFromFrame(sequence->frame_rate*multiplier);
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} while (interval < 10);
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for (int i=0;i<width();i+=interval) {
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p.drawLine(i, 0, i, height());
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}
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// draw in/out selection
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int in_x;
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if (panel_timeline->using_workarea) {
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in_x = panel_timeline->getScreenPointFromFrame(panel_timeline->workarea_in);
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int out_x = panel_timeline->getScreenPointFromFrame(panel_timeline->workarea_out);
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p.fillRect(QRect(in_x, 0, out_x-in_x, height()), QColor(0, 192, 255, 128));
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p.setPen(Qt::white);
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p.drawLine(in_x, 0, in_x, height());
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p.drawLine(out_x, 0, out_x, height());
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}
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// draw playhead triangle
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in_x = panel_timeline->getScreenPointFromFrame(panel_timeline->playhead);
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QPoint start(in_x, height());
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QPainterPath path;
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path.moveTo(start);
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path.lineTo(in_x-PLAYHEAD_SIZE, 0);
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path.lineTo(in_x+PLAYHEAD_SIZE, 0);
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path.lineTo(start);
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p.fillPath(path, Qt::red);
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}
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}
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