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Zoom timeline with Ctrl+mouse wheel

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This commit is contained in:
David Capello 2017-11-10 18:24:06 -03:00
parent c13f6276ad
commit 0d6a432ef5
1 changed files with 29 additions and 12 deletions
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41
src/app/ui/timeline/timeline.cpp
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@ -1204,22 +1204,39 @@ bool Timeline::onProcessMessage(Message* msg)
case kMouseWheelMessage:
if (m_document) {
gfx::Point delta = static_cast<MouseMessage*>(msg)->wheelDelta();
if (!static_cast<MouseMessage*>(msg)->preciseWheel()) {
delta.x *= frameBoxWidth();
delta.y *= layerBoxHeight();
const bool precise = static_cast<MouseMessage*>(msg)->preciseWheel();
if (delta.x == 0 && // On macOS shift already changes the wheel axis
msg->shiftPressed()) {
if (std::fabs(delta.y) > delta.x)
std::swap(delta.x, delta.y);
// Zoom timeline
if (msg->ctrlPressed() || // TODO configurable
msg->cmdPressed()) {
double dz = delta.x + delta.y;
if (precise) {
dz /= 1.5;
if (dz < -1.0) dz = -1.0;
else if (dz > 1.0) dz = 1.0;
}
if (msg->altPressed()) {
delta.x *= 3;
delta.y *= 3;
}
setZoomAndUpdate(m_zoom - dz);
}
else {
if (!precise) {
delta.x *= frameBoxWidth();
delta.y *= layerBoxHeight();
if (delta.x == 0 && // On macOS shift already changes the wheel axis
msg->shiftPressed()) {
if (std::fabs(delta.y) > delta.x)
std::swap(delta.x, delta.y);
}
if (msg->altPressed()) {
delta.x *= 3;
delta.y *= 3;
}
}
setViewScroll(viewScroll() + delta);
}
setViewScroll(viewScroll() + delta);
}
break;