Files
oak-editor/ui/timelineheader.cpp
T
2018-07-22 10:21:47 +01:00

83 lines
2.4 KiB
C++

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