audacia/src/ViewInfo.h

61 lines
1.4 KiB
C++

/**********************************************************************
Audacity: A Digital Audio Editor
ViewInfo.h
Dominic Mazzoni
**********************************************************************/
#ifndef __AUDACITY_VIEWINFO__
#define __AUDACITY_VIEWINFO__
#include "SelectedRegion.h"
const double gMaxZoom = 6000000,
gMinZoom = 0.001;
class Track;
struct ViewInfo {
// Current selection
SelectedRegion selectedRegion;
// Scroll info
Track *track; // first visible track
int vpos; // vertical scroll pos
double h; // h pos in secs
double screen; // screen width in secs
double total; // total width in secs
double zoom; // pixels per second
double lastZoom;
// Current horizontal scroll bar positions, in pixels
wxInt64 sbarH;
wxInt64 sbarScreen;
wxInt64 sbarTotal;
// Internal wxScrollbar positions are only int in range, so multiply
// the above values with the following member to get the actual
// scroll bar positions as reported by the horizontal wxScrollbar's members
double sbarScale;
// Vertical scroll step
int scrollStep;
// Other stuff, mainly states (true or false) related to autoscroll and
// drawing the waveform. Maybe this should be put somewhere else?
bool bRedrawWaveform;
bool bUpdateTrackIndicator;
bool bIsPlaying;
};
#endif