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added proper timecodes in the timeline

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This commit is contained in:
itsmattkc
2018-09-12 21:34:43 +10:00
parent 706238590b
commit ac9233fade
10 changed files with 107 additions and 70 deletions
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ui/timelineheader.cpp
+59 -18
View File
@@ -4,17 +4,22 @@
#include "panels/timeline.h"
#include "project/sequence.h"
#include "project/undo.h"
#include "panels/viewer.h"
#include "io/config.h"
#include <QPainter>
#include <QMouseEvent>
#include <QDebug>
#include <QScrollArea>
#include <QtMath>
#define CLICK_RANGE 5
#define PLAYHEAD_SIZE 6
TimelineHeader::TimelineHeader(QWidget *parent) : QWidget(parent), dragging(false), resizing_workarea(false), zoom(1), in_visible(0), snapping(true) {
TimelineHeader::TimelineHeader(QWidget *parent) : QWidget(parent), dragging(false), resizing_workarea(false), zoom(1), in_visible(0), snapping(true), fm(font()) {
setCursor(Qt::ArrowCursor);
setMouseTracking(true);
setMinimumHeight(fm.height()*2);
}
void TimelineHeader::set_playhead(int mouse_x) {
@@ -121,22 +126,58 @@ void TimelineHeader::update_header(double z) {
update();
}
#define LINE_MIN_PADDING 50
void TimelineHeader::paintEvent(QPaintEvent*) {
if (sequence != NULL) {
QPainter p(this);
p.setPen(Qt::gray);
int interval = 0;
int multiplier = 0;
do {
multiplier++;
interval = getScreenPointFromFrame(zoom, 1*multiplier);
} while (interval < 10);
for (int i=0;i<width();i+=interval) {
int drawHeight = height();
if (i%5 > 0) {
drawHeight = drawHeight>>1;
}
p.drawLine(i, 0, i, drawHeight);
int yoff = height()/2;
double interval = sequence->frame_rate;
int textWidth = 0;
int lastTextBoundary = 0;
int i = 0;
int lastLineX = -LINE_MIN_PADDING-1;
int sublineCount = 1;
int sublineTest = qRound(interval*zoom);
int sublineInterval = 1;
while (sublineTest > LINE_MIN_PADDING
&& sublineInterval >= 1) {
sublineCount *= 2;
sublineInterval = (interval/sublineCount);
sublineTest = qRound(sublineInterval*zoom);
}
sublineCount = qMin(sublineCount, qRound(interval));
while (true) {
long frame = qRound(interval*i);
int lineX = qRound(frame*zoom);
if (lineX > width()) break;
if (lineX > lastLineX+LINE_MIN_PADDING) {
// draw text
if (lineX-textWidth > lastTextBoundary) {
p.setPen(Qt::white);
QString timecode = frame_to_timecode(frame, config.timecode_view, sequence->frame_rate);
textWidth = fm.width(timecode)>>1;
lastTextBoundary = lineX+textWidth;
p.drawText(QRect(lineX-textWidth, 0, lastTextBoundary, yoff), timecode);
}
// draw line markers
p.setPen(Qt::gray);
p.drawLine(lineX, yoff, lineX, height());
lastLineX = lineX;
// draw sub-line markers
for (int j=1;j<sublineCount;j++) {
int sublineX = lineX+(qRound(j*interval/sublineCount)*zoom);
p.drawLine(sublineX, yoff, sublineX, yoff+(yoff>>1));
}
}
i++;
}
// draw in/out selection
@@ -151,12 +192,12 @@ void TimelineHeader::paintEvent(QPaintEvent*) {
}
// draw playhead triangle
in_x = getScreenPointFromFrame(zoom, panel_timeline->playhead - in_visible);
QPoint start(in_x, height());
in_x = getScreenPointFromFrame(zoom, panel_timeline->playhead - in_visible);
QPoint start(in_x, height()+2);
QPainterPath path;
path.moveTo(start);
path.lineTo(in_x-PLAYHEAD_SIZE, 0);
path.lineTo(in_x+PLAYHEAD_SIZE, 0);
path.lineTo(in_x-PLAYHEAD_SIZE, yoff);
path.lineTo(in_x+PLAYHEAD_SIZE, yoff);
path.lineTo(start);
p.fillPath(path, Qt::red);
}