493 lines
15 KiB
C++
493 lines
15 KiB
C++
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#include "../CommonCommandFlags.h"
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#include "../Menus.h"
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#include "../Prefs.h"
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#include "../Project.h"
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#include "../ProjectHistory.h"
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#include "../ProjectSettings.h"
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#include "../ProjectWindow.h"
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#include "../Track.h"
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#include "../TrackInfo.h"
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#include "../TrackPanel.h"
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#include "../UndoManager.h"
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#include "../ViewInfo.h"
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#include "../commands/CommandContext.h"
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#include "../commands/CommandManager.h"
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#include "../prefs/GUIPrefs.h"
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#include "../prefs/TracksPrefs.h"
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#include "../tracks/ui/TrackView.h"
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#ifdef EXPERIMENTAL_EFFECTS_RACK
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#include "../effects/EffectUI.h"
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#endif
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#include <wx/scrolbar.h>
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// private helper classes and functions
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namespace {
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double GetZoomOfSelection( const AudacityProject &project )
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{
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auto &viewInfo = ViewInfo::Get( project );
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auto &window = ProjectWindow::Get( project );
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const double lowerBound =
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std::max(viewInfo.selectedRegion.t0(),
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window.ScrollingLowerBoundTime());
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const double denom =
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viewInfo.selectedRegion.t1() - lowerBound;
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if (denom <= 0.0)
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return viewInfo.GetZoom();
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// LL: The "-1" is just a hack to get around an issue where zooming to
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// selection doesn't actually get the entire selected region within the
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// visible area. This causes a problem with scrolling at end of playback
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// where the selected region may be scrolled off the left of the screen.
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// I know this isn't right, but until the real rounding or 1-off issue is
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// found, this will have to work.
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// PRL: Did I fix this? I am not sure, so I leave the hack in place.
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// Fixes might have resulted from commits
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// 1b8f44d0537d987c59653b11ed75a842b48896ea and
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// e7c7bb84a966c3b3cc4b3a9717d5f247f25e7296
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auto width = viewInfo.GetTracksUsableWidth();
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return (width - 1) / denom;
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}
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double GetZoomOfPreset( const AudacityProject &project, int preset )
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{
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// Sets a limit on how far we will zoom out as a factor over zoom to fit.
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const double maxZoomOutFactor = 4.0;
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// Sets how many pixels we allow for one uint, such as seconds.
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const double pixelsPerUnit = 5.0;
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double result = 1.0;
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auto &window = ProjectWindow::Get( project );
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double zoomToFit = window.GetZoomOfToFit();
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using namespace WaveTrackViewConstants;
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switch( preset ){
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default:
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case kZoomDefault:
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result = ZoomInfo::GetDefaultZoom();
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break;
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case kZoomToFit:
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result = zoomToFit;
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break;
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case kZoomToSelection:
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result = GetZoomOfSelection( project );
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break;
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case kZoomMinutes:
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result = pixelsPerUnit * 1.0/60;
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break;
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case kZoomSeconds:
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result = pixelsPerUnit * 1.0;
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break;
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case kZoom5ths:
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result = pixelsPerUnit * 5.0;
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break;
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case kZoom10ths:
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result = pixelsPerUnit * 10.0;
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break;
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case kZoom20ths:
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result = pixelsPerUnit * 20.0;
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break;
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case kZoom50ths:
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result = pixelsPerUnit * 50.0;
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break;
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case kZoom100ths:
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result = pixelsPerUnit * 100.0;
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break;
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case kZoom500ths:
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result = pixelsPerUnit * 500.0;
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break;
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case kZoomMilliSeconds:
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result = pixelsPerUnit * 1000.0;
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break;
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case kZoomSamples:
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result = 44100.0;
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break;
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case kZoom4To1:
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result = 44100.0 * 4;
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break;
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case kMaxZoom:
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result = ZoomInfo::GetMaxZoom();
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break;
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};
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if( result < (zoomToFit/maxZoomOutFactor) )
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result = zoomToFit / maxZoomOutFactor;
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return result;
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}
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}
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namespace {
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void DoZoomFitV(AudacityProject &project)
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{
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auto &viewInfo = ViewInfo::Get( project );
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auto &tracks = TrackList::Get( project );
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// Only nonminimized audio tracks will be resized
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auto range = tracks.Any<AudioTrack>()
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- [](const Track *pTrack){
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return TrackView::Get( *pTrack ).GetMinimized(); };
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auto count = range.size();
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if (count == 0)
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return;
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// Find total height to apportion
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auto height = viewInfo.GetHeight();
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height -= 28;
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// The height of minimized and non-audio tracks cannot be apportioned
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height -=
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tracks.Any().sum( TrackView::GetTrackHeight )
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- range.sum( TrackView::GetTrackHeight );
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// Give each resized track the average of the remaining height
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// Bug 2803: Cast count to int, because otherwise the result of
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// division will be unsigned too, and will be a very large number
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// if height was negative!
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height = height / (int)count;
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// Use max() so that we don't set a negative height when there is
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// not enough room.
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height = std::max( (int)TrackInfo::MinimumTrackHeight(), height );
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for (auto t : range)
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TrackView::Get( *t ).SetHeight(height);
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}
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}
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namespace ViewActions {
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// Menu handler functions
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struct Handler final
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: CommandHandlerObject // MUST be the first base class!
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, ClientData::Base
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{
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void OnZoomIn(const CommandContext &context)
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{
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auto &project = context.project;
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auto &trackPanel = TrackPanel::Get( project );
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auto &window = ProjectWindow::Get( project );
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window.ZoomInByFactor( 2.0 );
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trackPanel.Refresh(false);
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}
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void OnZoomNormal(const CommandContext &context)
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{
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auto &project = context.project;
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auto &trackPanel = TrackPanel::Get( project );
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auto &window = ProjectWindow::Get( project );
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window.Zoom(ZoomInfo::GetDefaultZoom());
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trackPanel.Refresh(false);
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}
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void OnZoomOut(const CommandContext &context)
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{
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auto &project = context.project;
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auto &window = ProjectWindow::Get( project );
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window.ZoomOutByFactor( 1 /2.0 );
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}
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void OnZoomSel(const CommandContext &context)
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{
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auto &project = context.project;
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auto &selectedRegion = ViewInfo::Get( project ).selectedRegion;
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auto &window = ProjectWindow::Get( project );
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window.Zoom( GetZoomOfSelection( project ) );
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window.TP_ScrollWindow(selectedRegion.t0());
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}
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void OnZoomToggle(const CommandContext &context)
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{
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auto &project = context.project;
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auto &viewInfo = ViewInfo::Get( project );
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auto &trackPanel = TrackPanel::Get( project );
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auto &window = ProjectWindow::Get( project );
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// const double origLeft = viewInfo.h;
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// const double origWidth = viewInfo.GetScreenEndTime() - origLeft;
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// Choose the zoom that is most different to the current zoom.
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double Zoom1 = GetZoomOfPreset( project, TracksPrefs::Zoom1Choice() );
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double Zoom2 = GetZoomOfPreset( project, TracksPrefs::Zoom2Choice() );
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double Z = viewInfo.GetZoom();// Current Zoom.
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double ChosenZoom =
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fabs(log(Zoom1 / Z)) > fabs(log( Z / Zoom2)) ? Zoom1:Zoom2;
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window.Zoom(ChosenZoom);
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trackPanel.Refresh(false);
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// const double newWidth = GetScreenEndTime() - viewInfo.h;
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// const double newh = origLeft + (origWidth - newWidth) / 2;
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// TP_ScrollWindow(newh);
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}
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void OnZoomFit(const CommandContext &context)
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{
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auto &project = context.project;
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auto &window = ProjectWindow::Get( project );
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window.DoZoomFit();
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}
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void OnZoomFitV(const CommandContext &context)
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{
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auto &project = context.project;
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auto &window = ProjectWindow::Get( project );
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DoZoomFitV(project);
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window.GetVerticalScrollBar().SetThumbPosition(0);
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ProjectHistory::Get( project ).ModifyState(true);
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}
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void OnAdvancedVZoom(const CommandContext &context)
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{
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auto &project = context.project;
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auto &commandManager = CommandManager::Get( project );
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bool checked = !gPrefs->Read(wxT("/GUI/VerticalZooming"), 0L);
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gPrefs->Write(wxT("/GUI/VerticalZooming"), checked);
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gPrefs->Flush();
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commandManager.Check(wxT("AdvancedVZoom"), checked);
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MenuCreator::RebuildAllMenuBars();
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}
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void OnCollapseAllTracks(const CommandContext &context)
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{
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auto &project = context.project;
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auto &tracks = TrackList::Get( project );
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auto &window = ProjectWindow::Get( project );
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for (auto t : tracks.Any())
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TrackView::Get( *t ).SetMinimized(true);
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ProjectHistory::Get( project ).ModifyState(true);
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}
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void OnExpandAllTracks(const CommandContext &context)
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{
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auto &project = context.project;
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auto &tracks = TrackList::Get( project );
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auto &window = ProjectWindow::Get( project );
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for (auto t : tracks.Any())
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TrackView::Get( *t ).SetMinimized(false);
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ProjectHistory::Get( project ).ModifyState(true);
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}
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void OnGoSelStart(const CommandContext &context)
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{
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auto &project = context.project;
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auto &viewInfo = ViewInfo::Get( project );
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auto &selectedRegion = viewInfo.selectedRegion;
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auto &window = ProjectWindow::Get( project );
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if (selectedRegion.isPoint())
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return;
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window.TP_ScrollWindow(
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selectedRegion.t0() - ((viewInfo.GetScreenEndTime() - viewInfo.h) / 2));
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}
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void OnGoSelEnd(const CommandContext &context)
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{
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auto &project = context.project;
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auto &viewInfo = ViewInfo::Get( project );
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auto &selectedRegion = viewInfo.selectedRegion;
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auto &window = ProjectWindow::Get( project );
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if (selectedRegion.isPoint())
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return;
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window.TP_ScrollWindow(
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selectedRegion.t1() - ((viewInfo.GetScreenEndTime() - viewInfo.h) / 2));
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}
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void OnShowExtraMenus(const CommandContext &context)
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{
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auto &project = context.project;
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auto &commandManager = CommandManager::Get( project );
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bool checked = !gPrefs->Read(wxT("/GUI/ShowExtraMenus"), 0L);
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gPrefs->Write(wxT("/GUI/ShowExtraMenus"), checked);
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gPrefs->Flush();
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commandManager.Check(wxT("ShowExtraMenus"), checked);
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MenuCreator::RebuildAllMenuBars();
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}
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void OnShowClipping(const CommandContext &context)
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{
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auto &project = context.project;
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auto &commandManager = CommandManager::Get( project );
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auto &trackPanel = TrackPanel::Get( project );
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bool checked = !gPrefs->Read(wxT("/GUI/ShowClipping"), 0L);
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gPrefs->Write(wxT("/GUI/ShowClipping"), checked);
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gPrefs->Flush();
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commandManager.Check(wxT("ShowClipping"), checked);
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wxTheApp->AddPendingEvent(wxCommandEvent{
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EVT_PREFS_UPDATE, ShowClippingPrefsID() });
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trackPanel.Refresh(false);
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}
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void OnShowNameOverlay(const CommandContext &context)
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{
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auto &project = context.project;
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auto &commandManager = CommandManager::Get( project );
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auto &trackPanel = TrackPanel::Get( project );
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bool checked = !gPrefs->Read(wxT("/GUI/ShowTrackNameInWaveform"), 0L);
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gPrefs->Write(wxT("/GUI/ShowTrackNameInWaveform"), checked);
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gPrefs->Flush();
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commandManager.Check(wxT("ShowTrackNameInWaveform"), checked);
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wxTheApp->AddPendingEvent(wxCommandEvent{
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EVT_PREFS_UPDATE, ShowTrackNameInWaveformPrefsID() });
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trackPanel.Refresh(false);
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}
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#if defined(EXPERIMENTAL_EFFECTS_RACK)
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void OnShowEffectsRack(const CommandContext &context )
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{
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auto &rack = EffectRack::Get( context.project );
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rack.Show( !rack.IsShown() );
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}
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#endif
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// Not a menu item, but a listener for events
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void OnUndoPushed( wxCommandEvent &evt )
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{
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evt.Skip();
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const auto &settings = ProjectSettings::Get( mProject );
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if (settings.GetTracksFitVerticallyZoomed())
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DoZoomFitV( mProject );
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}
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Handler( AudacityProject &project )
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: mProject{ project }
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{
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mProject.Bind( EVT_UNDO_PUSHED, &Handler::OnUndoPushed, this );
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}
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~Handler()
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{
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mProject.Unbind( EVT_UNDO_PUSHED, &Handler::OnUndoPushed, this );
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}
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Handler( const Handler & ) PROHIBITED;
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Handler &operator=( const Handler & ) PROHIBITED;
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AudacityProject &mProject;
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}; // struct Handler
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} // namespace
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// Handler needs a back-reference to the project, so needs a factory registered
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// with AudacityProject.
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static const AudacityProject::AttachedObjects::RegisteredFactory key{
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[]( AudacityProject &project ) {
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return std::make_unique< ViewActions::Handler >( project ); } };
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static CommandHandlerObject &findCommandHandler(AudacityProject &project) {
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return project.AttachedObjects::Get< ViewActions::Handler >( key );
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};
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// Menu definitions
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#define FN(X) (& ViewActions::Handler :: X)
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// Under /MenuBar
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namespace {
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using namespace MenuTable;
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BaseItemSharedPtr ViewMenu()
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{
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using Options = CommandManager::Options;
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static BaseItemSharedPtr menu{
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( FinderScope{ findCommandHandler },
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Menu( wxT("View"), XXO("&View"),
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Section( "Basic",
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Menu( wxT("Zoom"), XXO("&Zoom"),
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Section( "",
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Command( wxT("ZoomIn"), XXO("Zoom &In"), FN(OnZoomIn),
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ZoomInAvailableFlag(), wxT("Ctrl+1") ),
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Command( wxT("ZoomNormal"), XXO("Zoom &Normal"), FN(OnZoomNormal),
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TracksExistFlag(), wxT("Ctrl+2") ),
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Command( wxT("ZoomOut"), XXO("Zoom &Out"), FN(OnZoomOut),
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ZoomOutAvailableFlag(), wxT("Ctrl+3") ),
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Command( wxT("ZoomSel"), XXO("&Zoom to Selection"), FN(OnZoomSel),
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TimeSelectedFlag(), wxT("Ctrl+E") ),
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Command( wxT("ZoomToggle"), XXO("Zoom &Toggle"), FN(OnZoomToggle),
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TracksExistFlag(), wxT("Shift+Z") )
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),
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Section( "",
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Command( wxT("AdvancedVZoom"), XXO("Advanced &Vertical Zooming"),
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FN(OnAdvancedVZoom), AlwaysEnabledFlag,
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Options{}.CheckTest( wxT("/GUI/VerticalZooming"), false ) )
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)
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),
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Menu( wxT("TrackSize"), XXO("T&rack Size"),
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Command( wxT("FitInWindow"), XXO("&Fit to Width"), FN(OnZoomFit),
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TracksExistFlag(), wxT("Ctrl+F") ),
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Command( wxT("FitV"), XXO("Fit to &Height"), FN(OnZoomFitV),
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TracksExistFlag(), wxT("Ctrl+Shift+F") ),
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Command( wxT("CollapseAllTracks"), XXO("&Collapse All Tracks"),
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FN(OnCollapseAllTracks), TracksExistFlag(), wxT("Ctrl+Shift+C") ),
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Command( wxT("ExpandAllTracks"), XXO("E&xpand Collapsed Tracks"),
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FN(OnExpandAllTracks), TracksExistFlag(), wxT("Ctrl+Shift+X") )
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),
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Menu( wxT("SkipTo"), XXO("Sk&ip to"),
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Command( wxT("SkipSelStart"), XXO("Selection Sta&rt"),
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FN(OnGoSelStart), TimeSelectedFlag(),
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Options{ wxT("Ctrl+["), XO("Skip to Selection Start") } ),
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Command( wxT("SkipSelEnd"), XXO("Selection En&d"), FN(OnGoSelEnd),
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TimeSelectedFlag(),
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Options{ wxT("Ctrl+]"), XO("Skip to Selection End") } )
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)
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),
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Section( "Windows" ),
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Section( "Other",
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Command( wxT("ShowExtraMenus"), XXO("&Extra Menus (on/off)"),
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FN(OnShowExtraMenus), AlwaysEnabledFlag,
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Options{}.CheckTest( wxT("/GUI/ShowExtraMenus"), false ) ),
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Command( wxT("ShowTrackNameInWaveform"), XXO("Track &Name (on/off)"),
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FN(OnShowNameOverlay), AlwaysEnabledFlag,
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Options{}.CheckTest( wxT("/GUI/ShowTrackNameInWaveform"), false ) ),
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Command( wxT("ShowClipping"), XXO("&Show Clipping (on/off)"),
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FN(OnShowClipping), AlwaysEnabledFlag,
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Options{}.CheckTest( wxT("/GUI/ShowClipping"), false ) )
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#if defined(EXPERIMENTAL_EFFECTS_RACK)
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,
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Command( wxT("ShowEffectsRack"), XXO("Show Effects Rack"),
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FN(OnShowEffectsRack), AlwaysEnabledFlag,
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Options{}.CheckTest( [](AudacityProject &project){
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auto &rack = EffectRack::Get( project );
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return rack.IsShown(); } ) )
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#endif
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)
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) ) };
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return menu;
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}
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AttachedItem sAttachment1{
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wxT(""),
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Shared( ViewMenu() )
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};
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}
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#undef FN
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