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https://github.com/cookiengineer/audacity
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f5e593cc4c
This change is believed to be a direct refactoring that does not change functionality. It paves the way for more complex kinds of selection, such as selections involving frequency as well as time. It also reduces risk of left and right edges being swapped in future code using SelectedRegion, as the default is to swap on assignment if needed.
61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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ViewInfo.h
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Dominic Mazzoni
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**********************************************************************/
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#ifndef __AUDACITY_VIEWINFO__
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#define __AUDACITY_VIEWINFO__
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#include "SelectedRegion.h"
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const double gMaxZoom = 6000000,
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gMinZoom = 0.001;
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class Track;
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struct ViewInfo {
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// Current selection
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SelectedRegion selectedRegion;
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// Scroll info
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Track *track; // first visible track
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int vpos; // vertical scroll pos
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double h; // h pos in secs
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double screen; // screen width in secs
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double total; // total width in secs
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double zoom; // pixels per second
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double lastZoom;
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// Current horizontal scroll bar positions, in pixels
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wxInt64 sbarH;
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wxInt64 sbarScreen;
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wxInt64 sbarTotal;
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// Internal wxScrollbar positions are only int in range, so multiply
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// the above values with the following member to get the actual
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// scroll bar positions as reported by the horizontal wxScrollbar's members
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double sbarScale;
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// Vertical scroll step
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int scrollStep;
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// Other stuff, mainly states (true or false) related to autoscroll and
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// drawing the waveform. Maybe this should be put somewhere else?
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bool bRedrawWaveform;
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bool bUpdateTrackIndicator;
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bool bIsPlaying;
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};
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#endif
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