Add mouse wheel video zooming
Originally committed to SVN as r4276.
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81282bf06e
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1 changed files with 5 additions and 1 deletions
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@ -487,6 +487,10 @@ void VideoDisplay::OnMouseEvent(wxMouseEvent& event) {
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if (event.ButtonDown(wxMOUSE_BTN_ANY)) {
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SetFocus();
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}
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int wheel = event.GetWheelRotation();
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if (wheel) {
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SetZoom (zoomValue + .125 * (wheel / event.GetWheelDelta()));
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}
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// Send to visual
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if (visual) visual->OnMouseEvent(event);
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@ -515,7 +519,7 @@ void VideoDisplay::OnKey(wxKeyEvent &event) {
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void VideoDisplay::SetZoom(double value) {
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using std::max;
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zoomValue = max(value, .125);
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zoomBox->SetValue(wxString::Format("%g%%", value * 100.));
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zoomBox->SetValue(wxString::Format("%g%%", zoomValue * 100.));
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UpdateSize();
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}
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void VideoDisplay::SetZoomFromBox() {
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