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Add mouse wheel video zooming

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Originally committed to SVN as r4276.
This commit is contained in:
Thomas Goyne 2010-05-13 18:37:35 +00:00
parent 81282bf06e
commit 5215049c07
1 changed files with 5 additions and 1 deletions
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6
aegisub/src/video_display.cpp
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@ -487,6 +487,10 @@ void VideoDisplay::OnMouseEvent(wxMouseEvent& event) {
if (event.ButtonDown(wxMOUSE_BTN_ANY)) { if (event.ButtonDown(wxMOUSE_BTN_ANY)) {
SetFocus(); SetFocus();
} }
int wheel = event.GetWheelRotation();
if (wheel) {
SetZoom (zoomValue + .125 * (wheel / event.GetWheelDelta()));
}
// Send to visual // Send to visual
if (visual) visual->OnMouseEvent(event); if (visual) visual->OnMouseEvent(event);
@ -515,7 +519,7 @@ void VideoDisplay::OnKey(wxKeyEvent &event) {
void VideoDisplay::SetZoom(double value) { void VideoDisplay::SetZoom(double value) {
using std::max; using std::max;
zoomValue = max(value, .125); zoomValue = max(value, .125);
zoomBox->SetValue(wxString::Format("%g%%", value * 100.)); zoomBox->SetValue(wxString::Format("%g%%", zoomValue * 100.));
UpdateSize(); UpdateSize();
} }
void VideoDisplay::SetZoomFromBox() { void VideoDisplay::SetZoomFromBox() {