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Store the selection range for the audio display srollbar in pixels so it remains valid when the zoom changes

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Originally committed to SVN as r6292.
This commit is contained in:
Thomas Goyne 2012-01-13 21:17:40 +00:00
parent 3ec9514636
commit 9166eb1d6b
1 changed files with 7 additions and 10 deletions
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17
aegisub/src/audio_display.cpp
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@ -189,8 +189,8 @@ public:
void SetSelection(int new_start, int new_length)
{
sel_start = new_start;
sel_length = new_length;
sel_start = (int64_t)new_start * bounds.width / data_length;
sel_length = (int64_t)new_length * bounds.width / data_length;
}
void ChangeLengths(int new_data_length, int new_page_length)
@ -231,15 +231,9 @@ public:
if (sel_length > 0 && sel_start >= 0)
{
wxRect r;
r.x = int((int64_t)sel_start * bounds.width / data_length);
r.y = bounds.y;
r.width = int((int64_t)sel_length * bounds.width / data_length);
r.height = bounds.height;
dc.SetPen(wxPen(colours.Selection()));
dc.SetBrush(wxBrush(colours.Selection()));
dc.DrawRectangle(r);
dc.DrawRectangle(wxRect(sel_start, bounds.y, sel_length, bounds.height));
}
dc.SetPen(wxPen(colours.Light()));
@ -1176,8 +1170,11 @@ void AudioDisplay::OnSize(wxSizeEvent &)
// We changed size, update the sub-controls' internal data and redraw
wxSize size = GetClientSize();
scrollbar->SetDisplaySize(size);
timeline->SetDisplaySize(wxSize(size.x, scrollbar->GetBounds().y));
scrollbar->SetDisplaySize(size);
SampleRange sel(controller->GetPrimaryPlaybackRange());
scrollbar->SetSelection(AbsoluteXFromSamples(sel.begin()), AbsoluteXFromSamples(sel.length()));
audio_height = size.GetHeight();
audio_height -= scrollbar->GetBounds().GetHeight();