Move class ZoomInfo to separate files
This commit is contained in:
parent
f7dfc34de9
commit
a99b746520
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@ -272,6 +272,8 @@ src/WaveTrack.h
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src/WaveTrackLocation.h
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src/WrappedType.cpp
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src/WrappedType.h
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src/ZoomInfo.cpp
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src/ZoomInfo.h
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src/blockfile/LegacyAliasBlockFile.cpp
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src/blockfile/LegacyAliasBlockFile.h
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src/blockfile/LegacyBlockFile.cpp
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@ -1290,6 +1290,7 @@
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5EBD35861F78D37A0084D13F /* pt_PT.po in Sources */ = {isa = PBXBuildFile; fileRef = 5EBD35851F78D37A0084D13F /* pt_PT.po */; };
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5EC4257222B92383005E8AB5 /* CommonTrackControls.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5EC4256E22B92383005E8AB5 /* CommonTrackControls.cpp */; };
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5EC4257322B92383005E8AB5 /* CommonTrackView.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5EC4257022B92383005E8AB5 /* CommonTrackView.cpp */; };
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5EC4257922BA7CF2005E8AB5 /* ZoomInfo.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5EC4257722BA7CF2005E8AB5 /* ZoomInfo.cpp */; };
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5EC7ED061E101C5C0052CAE2 /* NotYetAvailableException.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5EC7ED041E101C5C0052CAE2 /* NotYetAvailableException.cpp */; };
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5ECF728722871A4F007F2A35 /* ShuttleGetDefinition.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5ECF728522871A4F007F2A35 /* ShuttleGetDefinition.cpp */; };
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5ECF728A22887B3B007F2A35 /* MissingAliasFileDialog.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5ECF728822887B3B007F2A35 /* MissingAliasFileDialog.cpp */; };
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@ -3339,6 +3340,8 @@
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5EC4256F22B92383005E8AB5 /* CommonTrackControls.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CommonTrackControls.h; sourceTree = "<group>"; };
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5EC4257022B92383005E8AB5 /* CommonTrackView.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = CommonTrackView.cpp; sourceTree = "<group>"; };
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5EC4257122B92383005E8AB5 /* CommonTrackView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CommonTrackView.h; sourceTree = "<group>"; };
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5EC4257722BA7CF2005E8AB5 /* ZoomInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ZoomInfo.cpp; sourceTree = "<group>"; };
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5EC4257822BA7CF2005E8AB5 /* ZoomInfo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ZoomInfo.h; sourceTree = "<group>"; };
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5EC7ED041E101C5C0052CAE2 /* NotYetAvailableException.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = NotYetAvailableException.cpp; sourceTree = "<group>"; };
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5EC7ED051E101C5C0052CAE2 /* NotYetAvailableException.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NotYetAvailableException.h; sourceTree = "<group>"; };
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5ECCE7651DE49834009900E9 /* AudacityException.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AudacityException.h; sourceTree = "<group>"; };
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@ -4455,6 +4458,7 @@
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1790B0F909883BFD008A330A /* WaveClip.cpp */,
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1790B0FB09883BFD008A330A /* WaveTrack.cpp */,
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28FC1AF90A47762C00A188AE /* WrappedType.cpp */,
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5EC4257722BA7CF2005E8AB5 /* ZoomInfo.cpp */,
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1790AFC809883BFD008A330A /* AboutDialog.h */,
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1790AFCA09883BFD008A330A /* AColor.h */,
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5E08C7382180D460004079AE /* AdornedRulerPanel.h */,
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@ -4594,6 +4598,7 @@
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2844163A1B82D6BC0000574D /* WaveTrackLocation.h */,
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28FC1AFA0A47762C00A188AE /* WrappedType.h */,
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5ED18DB71CC290AB00FAFE95 /* wxFileNameWrapper.h */,
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5EC4257822BA7CF2005E8AB5 /* ZoomInfo.h */,
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5EFEAD9F2273382D0077DFF6 /* AudacityApp.mm */,
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1790AFDC09883BFD008A330A /* blockfile */,
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174D9025098C78AF00D5909F /* commands */,
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@ -8399,6 +8404,7 @@
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1790B15F09883BFD008A330A /* ExportOGG.cpp in Sources */,
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1790B16009883BFD008A330A /* ExportPCM.cpp in Sources */,
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5E7396691DAFDB5600BA0A4D /* LabelDefaultClickHandle.cpp in Sources */,
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5EC4257922BA7CF2005E8AB5 /* ZoomInfo.cpp in Sources */,
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1790B16109883BFD008A330A /* FFT.cpp in Sources */,
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1790B16209883BFD008A330A /* FileFormats.cpp in Sources */,
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1790B16309883BFD008A330A /* FreqWindow.cpp in Sources */,
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@ -318,6 +318,8 @@ audacity_SOURCES = \
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WaveTrackLocation.h \
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WrappedType.cpp \
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WrappedType.h \
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ZoomInfo.cpp \
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ZoomInfo.h \
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wxFileNameWrapper.h \
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commands/AppCommandEvent.cpp \
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commands/AppCommandEvent.h \
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@ -350,8 +350,8 @@ am__audacity_SOURCES_DIST = BlockFile.cpp BlockFile.h DirManager.cpp \
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UndoManager.cpp UndoManager.h UserException.cpp \
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UserException.h ViewInfo.cpp ViewInfo.h VoiceKey.cpp \
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VoiceKey.h WaveClip.cpp WaveClip.h WaveTrack.cpp WaveTrack.h \
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WaveTrackLocation.h WrappedType.cpp WrappedType.h \
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wxFileNameWrapper.h commands/AppCommandEvent.cpp \
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WaveTrackLocation.h WrappedType.cpp WrappedType.h ZoomInfo.cpp \
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ZoomInfo.h wxFileNameWrapper.h commands/AppCommandEvent.cpp \
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commands/AppCommandEvent.h commands/AudacityCommand.cpp \
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commands/AudacityCommand.h commands/BatchEvalCommand.cpp \
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commands/BatchEvalCommand.h commands/Command.cpp \
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@ -708,6 +708,7 @@ am_audacity_OBJECTS = $(am__objects_1) audacity-AboutDialog.$(OBJEXT) \
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audacity-UserException.$(OBJEXT) audacity-ViewInfo.$(OBJEXT) \
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audacity-VoiceKey.$(OBJEXT) audacity-WaveClip.$(OBJEXT) \
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audacity-WaveTrack.$(OBJEXT) audacity-WrappedType.$(OBJEXT) \
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audacity-ZoomInfo.$(OBJEXT) \
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commands/audacity-AppCommandEvent.$(OBJEXT) \
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commands/audacity-AudacityCommand.$(OBJEXT) \
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commands/audacity-BatchEvalCommand.$(OBJEXT) \
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@ -1439,8 +1440,8 @@ audacity_SOURCES = $(libaudacity_la_SOURCES) AboutDialog.cpp \
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UndoManager.cpp UndoManager.h UserException.cpp \
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UserException.h ViewInfo.cpp ViewInfo.h VoiceKey.cpp \
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VoiceKey.h WaveClip.cpp WaveClip.h WaveTrack.cpp WaveTrack.h \
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WaveTrackLocation.h WrappedType.cpp WrappedType.h \
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wxFileNameWrapper.h commands/AppCommandEvent.cpp \
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WaveTrackLocation.h WrappedType.cpp WrappedType.h ZoomInfo.cpp \
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ZoomInfo.h wxFileNameWrapper.h commands/AppCommandEvent.cpp \
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commands/AppCommandEvent.h commands/AudacityCommand.cpp \
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commands/AudacityCommand.h commands/BatchEvalCommand.cpp \
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commands/BatchEvalCommand.h commands/Command.cpp \
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@ -2653,6 +2654,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/audacity-WaveClip.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/audacity-WaveTrack.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/audacity-WrappedType.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/audacity-ZoomInfo.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaudacity_la-BlockFile.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaudacity_la-DirManager.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaudacity_la-Dither.Plo@am__quote@
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@ -4720,6 +4722,20 @@ audacity-WrappedType.obj: WrappedType.cpp
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(audacity_CPPFLAGS) $(CPPFLAGS) $(audacity_CXXFLAGS) $(CXXFLAGS) -c -o audacity-WrappedType.obj `if test -f 'WrappedType.cpp'; then $(CYGPATH_W) 'WrappedType.cpp'; else $(CYGPATH_W) '$(srcdir)/WrappedType.cpp'; fi`
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audacity-ZoomInfo.o: ZoomInfo.cpp
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@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(audacity_CPPFLAGS) $(CPPFLAGS) $(audacity_CXXFLAGS) $(CXXFLAGS) -MT audacity-ZoomInfo.o -MD -MP -MF $(DEPDIR)/audacity-ZoomInfo.Tpo -c -o audacity-ZoomInfo.o `test -f 'ZoomInfo.cpp' || echo '$(srcdir)/'`ZoomInfo.cpp
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@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/audacity-ZoomInfo.Tpo $(DEPDIR)/audacity-ZoomInfo.Po
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='ZoomInfo.cpp' object='audacity-ZoomInfo.o' libtool=no @AMDEPBACKSLASH@
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(audacity_CPPFLAGS) $(CPPFLAGS) $(audacity_CXXFLAGS) $(CXXFLAGS) -c -o audacity-ZoomInfo.o `test -f 'ZoomInfo.cpp' || echo '$(srcdir)/'`ZoomInfo.cpp
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audacity-ZoomInfo.obj: ZoomInfo.cpp
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@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(audacity_CPPFLAGS) $(CPPFLAGS) $(audacity_CXXFLAGS) $(CXXFLAGS) -MT audacity-ZoomInfo.obj -MD -MP -MF $(DEPDIR)/audacity-ZoomInfo.Tpo -c -o audacity-ZoomInfo.obj `if test -f 'ZoomInfo.cpp'; then $(CYGPATH_W) 'ZoomInfo.cpp'; else $(CYGPATH_W) '$(srcdir)/ZoomInfo.cpp'; fi`
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@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/audacity-ZoomInfo.Tpo $(DEPDIR)/audacity-ZoomInfo.Po
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='ZoomInfo.cpp' object='audacity-ZoomInfo.obj' libtool=no @AMDEPBACKSLASH@
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(audacity_CPPFLAGS) $(CPPFLAGS) $(audacity_CXXFLAGS) $(CXXFLAGS) -c -o audacity-ZoomInfo.obj `if test -f 'ZoomInfo.cpp'; then $(CYGPATH_W) 'ZoomInfo.cpp'; else $(CYGPATH_W) '$(srcdir)/ZoomInfo.cpp'; fi`
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commands/audacity-AppCommandEvent.o: commands/AppCommandEvent.cpp
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@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(audacity_CPPFLAGS) $(CPPFLAGS) $(audacity_CXXFLAGS) $(CXXFLAGS) -MT commands/audacity-AppCommandEvent.o -MD -MP -MF commands/$(DEPDIR)/audacity-AppCommandEvent.Tpo -c -o commands/audacity-AppCommandEvent.o `test -f 'commands/AppCommandEvent.cpp' || echo '$(srcdir)/'`commands/AppCommandEvent.cpp
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@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) commands/$(DEPDIR)/audacity-AppCommandEvent.Tpo commands/$(DEPDIR)/audacity-AppCommandEvent.Po
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121
src/ViewInfo.cpp
121
src/ViewInfo.cpp
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@ -15,133 +15,12 @@ Paul Licameli
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#include <algorithm>
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#include "AudioIOBase.h"
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#include "prefs/GUISettings.h"
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#include "Prefs.h"
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#include "Project.h"
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#include "xml/XMLWriter.h"
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#include "prefs/TracksBehaviorsPrefs.h"
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#include "xml/XMLWriter.h"
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namespace {
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static const double gMaxZoom = 6000000;
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static const double gMinZoom = 0.001;
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}
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ZoomInfo &ZoomInfo::Get( AudacityProject &project )
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{
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return ViewInfo::Get( project );
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}
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const ZoomInfo &ZoomInfo::Get( const AudacityProject &project )
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{
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return Get( const_cast< AudacityProject & >( project ) );
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}
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ZoomInfo::ZoomInfo(double start, double pixelsPerSecond)
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: vpos(0)
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, h(start)
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, zoom(pixelsPerSecond)
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{
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UpdatePrefs();
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}
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ZoomInfo::~ZoomInfo()
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{
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}
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void ZoomInfo::UpdatePrefs()
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{
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dBr = gPrefs->Read(ENV_DB_KEY, ENV_DB_RANGE);
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}
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/// Converts a position (mouse X coordinate) to
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/// project time, in seconds. Needs the left edge of
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/// the track as an additional parameter.
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double ZoomInfo::PositionToTime(wxInt64 position,
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wxInt64 origin
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, bool // ignoreFisheye
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) const
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{
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return h + (position - origin) / zoom;
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}
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/// STM: Converts a project time to screen x position.
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wxInt64 ZoomInfo::TimeToPosition(double projectTime,
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wxInt64 origin
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, bool // ignoreFisheye
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) const
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{
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double t = 0.5 + zoom * (projectTime - h) + origin ;
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if( t < wxINT64_MIN )
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return wxINT64_MIN;
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if( t > wxINT64_MAX )
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return wxINT64_MAX;
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t = floor( t );
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return t;
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}
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// This always ignores the fisheye. Use with caution!
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// You should prefer to call TimeToPosition twice, for endpoints, and take the difference!
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double ZoomInfo::TimeRangeToPixelWidth(double timeRange) const
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{
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return timeRange * zoom;
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}
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bool ZoomInfo::ZoomInAvailable() const
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{
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return zoom < gMaxZoom;
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}
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bool ZoomInfo::ZoomOutAvailable() const
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{
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return zoom > gMinZoom;
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}
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double ZoomInfo::GetZoom( ) const { return zoom;};
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double ZoomInfo::GetMaxZoom( ) { return gMaxZoom;};
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double ZoomInfo::GetMinZoom( ) { return gMinZoom;};
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void ZoomInfo::SetZoom(double pixelsPerSecond)
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{
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zoom = std::max(gMinZoom, std::min(gMaxZoom, pixelsPerSecond));
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// DA: Avoids stuck in snap-to
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#ifdef EXPERIMENTAL_DA
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// Disable snapping if user zooms in a long way.
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// Helps stop users be trapped in snap-to.
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// The level chosen is in sample viewing range with samples
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// still quite close together.
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if( zoom > (gMaxZoom * 0.06 ))
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{
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AudacityProject * project = GetActiveProject();
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if( project )
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project->OnSnapToOff();
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}
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#endif
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}
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void ZoomInfo::ZoomBy(double multiplier)
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{
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SetZoom(zoom * multiplier);
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}
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void ZoomInfo::FindIntervals
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(double /*rate*/, Intervals &results, wxInt64 width, wxInt64 origin) const
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{
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results.clear();
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results.reserve(2);
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const wxInt64 rightmost(origin + (0.5 + width));
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wxASSERT(origin <= rightmost);
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{
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results.push_back(Interval(origin, zoom, false));
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}
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if (origin < rightmost)
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results.push_back(Interval(rightmost, 0, false));
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wxASSERT(!results.empty() && results[0].position == origin);
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}
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static const AudacityProject::AttachedObjects::RegisteredFactory key{
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[]( AudacityProject &project ) {
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auto result =
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131
src/ViewInfo.h
131
src/ViewInfo.h
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#include <utility>
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#include <vector>
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#include <wx/event.h> // inherit wxEvtHandler
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#include "ClientData.h"
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#include "SelectedRegion.h"
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#include "MemoryX.h"
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#include "Prefs.h"
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#include "ZoomInfo.h" // to inherit
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#ifdef __GNUC__
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#define CONST
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#else
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#define CONST const
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#endif
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class AudacityProject;
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// See big pictorial comment in TrackPanel.cpp for explanation of these numbers
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enum : int {
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kLeftInset = 4,
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@ -51,126 +42,6 @@ enum : int {
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kTrackInfoSliderExtra = 5,
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};
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// The subset of ViewInfo information (other than selection)
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// that is sufficient for purposes of TrackArtist,
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// and for computing conversions between track times and pixel positions.
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class AUDACITY_DLL_API ZoomInfo /* not final */
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// Note that ViewInfo inherits from ZoomInfo but there are no virtual functions.
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// That's okay if we pass always by reference and never copy, suffering "slicing."
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: public ClientData::Base
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, protected PrefsListener
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{
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public:
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static ZoomInfo &Get( AudacityProject &project );
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static const ZoomInfo &Get( const AudacityProject &project );
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ZoomInfo(double start, double pixelsPerSecond);
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~ZoomInfo();
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// Be sure we don't slice
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ZoomInfo(const ZoomInfo&) PROHIBITED;
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ZoomInfo& operator= (const ZoomInfo&) PROHIBITED;
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void UpdatePrefs() override;
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int vpos; // vertical scroll pos
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double h; // h pos in secs
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protected:
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double zoom; // pixels per second
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public:
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float dBr; // decibel scale range
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// do NOT use this once to convert a pixel width to a duration!
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// Instead, call twice to convert start and end times,
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// and take the difference.
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// origin specifies the pixel corresponding to time h
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double PositionToTime(wxInt64 position,
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wxInt64 origin = 0
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, bool ignoreFisheye = false
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) const;
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// do NOT use this once to convert a duration to a pixel width!
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// Instead, call twice to convert start and end positions,
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// and take the difference.
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// origin specifies the pixel corresponding to time h
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wxInt64 TimeToPosition(double time,
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wxInt64 origin = 0
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, bool ignoreFisheye = false
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) const;
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// This always ignores the fisheye. Use with caution!
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// You should prefer to call TimeToPosition twice, for endpoints, and take the difference!
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double TimeRangeToPixelWidth(double timeRange) const;
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double OffsetTimeByPixels(double time, wxInt64 offset, bool ignoreFisheye = false) const
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{
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return PositionToTime(offset + TimeToPosition(time, ignoreFisheye), ignoreFisheye);
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}
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bool ZoomInAvailable() const;
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bool ZoomOutAvailable() const;
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static double GetDefaultZoom()
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{ return 44100.0 / 512.0; }
|
||||
|
||||
|
||||
// Limits zoom to certain bounds
|
||||
void SetZoom(double pixelsPerSecond);
|
||||
|
||||
// This function should not be used to convert positions to times and back
|
||||
// Use TimeToPosition and PositionToTime and OffsetTimeByPixels instead
|
||||
double GetZoom() const;
|
||||
|
||||
static double GetMaxZoom( );
|
||||
static double GetMinZoom( );
|
||||
|
||||
// Limits zoom to certain bounds
|
||||
// multipliers above 1.0 zoom in, below out
|
||||
void ZoomBy(double multiplier);
|
||||
|
||||
struct Interval {
|
||||
CONST wxInt64 position; CONST double averageZoom; CONST bool inFisheye;
|
||||
Interval(wxInt64 p, double z, bool i)
|
||||
: position(p), averageZoom(z), inFisheye(i) {}
|
||||
};
|
||||
typedef std::vector<Interval> Intervals;
|
||||
|
||||
// Find an increasing sequence of pixel positions. Each is the start
|
||||
// of an interval, or is the end position.
|
||||
// Each of the disjoint intervals should be drawn
|
||||
// separately.
|
||||
// It is guaranteed that there is at least one entry and the position of the
|
||||
// first entry equals origin.
|
||||
// @param origin specifies the pixel position corresponding to time ViewInfo::h.
|
||||
void FindIntervals
|
||||
(double rate, Intervals &results, wxInt64 width, wxInt64 origin = 0) const;
|
||||
|
||||
enum FisheyeState {
|
||||
HIDDEN,
|
||||
PINNED,
|
||||
|
||||
NUM_STATES,
|
||||
};
|
||||
FisheyeState GetFisheyeState() const
|
||||
{ return HIDDEN; } // stub
|
||||
|
||||
// Return true if the mouse position is anywhere in the fisheye
|
||||
// origin specifies the pixel corresponding to time h
|
||||
bool InFisheye(wxInt64 /*position*/, wxInt64 WXUNUSED(origin = 0)) const
|
||||
{return false;} // stub
|
||||
|
||||
// These accessors ignore the fisheye hiding state.
|
||||
// Inclusive:
|
||||
wxInt64 GetFisheyeLeftBoundary(wxInt64 WXUNUSED(origin = 0)) const
|
||||
{return 0;} // stub
|
||||
// Exclusive:
|
||||
wxInt64 GetFisheyeRightBoundary(wxInt64 WXUNUSED(origin = 0)) const
|
||||
{return 0;} // stub
|
||||
};
|
||||
|
||||
class PlayRegion
|
||||
{
|
||||
public:
|
||||
|
|
|
@ -0,0 +1,123 @@
|
|||
/**********************************************************************
|
||||
|
||||
Audacity: A Digital Audio Editor
|
||||
|
||||
ZoomInfo.cpp
|
||||
|
||||
Paul Licameli split from ViewInfo.cpp
|
||||
|
||||
**********************************************************************/
|
||||
|
||||
#include "ZoomInfo.h"
|
||||
|
||||
#include "prefs/GUISettings.h"
|
||||
|
||||
namespace {
|
||||
static const double gMaxZoom = 6000000;
|
||||
static const double gMinZoom = 0.001;
|
||||
}
|
||||
|
||||
ZoomInfo::ZoomInfo(double start, double pixelsPerSecond)
|
||||
: vpos(0)
|
||||
, h(start)
|
||||
, zoom(pixelsPerSecond)
|
||||
{
|
||||
UpdatePrefs();
|
||||
}
|
||||
|
||||
ZoomInfo::~ZoomInfo()
|
||||
{
|
||||
}
|
||||
|
||||
void ZoomInfo::UpdatePrefs()
|
||||
{
|
||||
dBr = gPrefs->Read(ENV_DB_KEY, ENV_DB_RANGE);
|
||||
}
|
||||
|
||||
/// Converts a position (mouse X coordinate) to
|
||||
/// project time, in seconds. Needs the left edge of
|
||||
/// the track as an additional parameter.
|
||||
double ZoomInfo::PositionToTime(wxInt64 position,
|
||||
wxInt64 origin
|
||||
, bool // ignoreFisheye
|
||||
) const
|
||||
{
|
||||
return h + (position - origin) / zoom;
|
||||
}
|
||||
|
||||
|
||||
/// STM: Converts a project time to screen x position.
|
||||
wxInt64 ZoomInfo::TimeToPosition(double projectTime,
|
||||
wxInt64 origin
|
||||
, bool // ignoreFisheye
|
||||
) const
|
||||
{
|
||||
double t = 0.5 + zoom * (projectTime - h) + origin ;
|
||||
if( t < wxINT64_MIN )
|
||||
return wxINT64_MIN;
|
||||
if( t > wxINT64_MAX )
|
||||
return wxINT64_MAX;
|
||||
t = floor( t );
|
||||
return t;
|
||||
}
|
||||
|
||||
// This always ignores the fisheye. Use with caution!
|
||||
// You should prefer to call TimeToPosition twice, for endpoints, and take the difference!
|
||||
double ZoomInfo::TimeRangeToPixelWidth(double timeRange) const
|
||||
{
|
||||
return timeRange * zoom;
|
||||
}
|
||||
|
||||
bool ZoomInfo::ZoomInAvailable() const
|
||||
{
|
||||
return zoom < gMaxZoom;
|
||||
}
|
||||
|
||||
bool ZoomInfo::ZoomOutAvailable() const
|
||||
{
|
||||
return zoom > gMinZoom;
|
||||
}
|
||||
|
||||
double ZoomInfo::GetZoom( ) const { return zoom;};
|
||||
double ZoomInfo::GetMaxZoom( ) { return gMaxZoom;};
|
||||
double ZoomInfo::GetMinZoom( ) { return gMinZoom;};
|
||||
|
||||
void ZoomInfo::SetZoom(double pixelsPerSecond)
|
||||
{
|
||||
zoom = std::max(gMinZoom, std::min(gMaxZoom, pixelsPerSecond));
|
||||
// DA: Avoids stuck in snap-to
|
||||
#ifdef EXPERIMENTAL_DA
|
||||
// Disable snapping if user zooms in a long way.
|
||||
// Helps stop users be trapped in snap-to.
|
||||
// The level chosen is in sample viewing range with samples
|
||||
// still quite close together.
|
||||
if( zoom > (gMaxZoom * 0.06 ))
|
||||
{
|
||||
AudacityProject * project = GetActiveProject();
|
||||
if( project )
|
||||
project->OnSnapToOff();
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
void ZoomInfo::ZoomBy(double multiplier)
|
||||
{
|
||||
SetZoom(zoom * multiplier);
|
||||
}
|
||||
|
||||
void ZoomInfo::FindIntervals
|
||||
(double /*rate*/, Intervals &results, wxInt64 width, wxInt64 origin) const
|
||||
{
|
||||
results.clear();
|
||||
results.reserve(2);
|
||||
|
||||
const wxInt64 rightmost(origin + (0.5 + width));
|
||||
wxASSERT(origin <= rightmost);
|
||||
{
|
||||
results.push_back(Interval(origin, zoom, false));
|
||||
}
|
||||
|
||||
if (origin < rightmost)
|
||||
results.push_back(Interval(rightmost, 0, false));
|
||||
wxASSERT(!results.empty() && results[0].position == origin);
|
||||
}
|
|
@ -0,0 +1,142 @@
|
|||
/**********************************************************************
|
||||
|
||||
Audacity: A Digital Audio Editor
|
||||
|
||||
ZoomInfo.h
|
||||
|
||||
Paul Licameli split from ViewInfo.h
|
||||
|
||||
**********************************************************************/
|
||||
|
||||
#ifndef __AUDACITY_ZOOM_INFO__
|
||||
#define __AUDACITY_ZOOM_INFO__
|
||||
|
||||
#include "ClientData.h" // to inherit
|
||||
#include "Prefs.h" // to inherit
|
||||
|
||||
#ifdef __GNUC__
|
||||
#define CONST
|
||||
#else
|
||||
#define CONST const
|
||||
#endif
|
||||
|
||||
class AudacityProject;
|
||||
|
||||
// The subset of ViewInfo information (other than selection)
|
||||
// that is sufficient for purposes of TrackArtist,
|
||||
// and for computing conversions between track times and pixel positions.
|
||||
class AUDACITY_DLL_API ZoomInfo /* not final */
|
||||
// Note that ViewInfo inherits from ZoomInfo but there are no virtual functions.
|
||||
// That's okay if we pass always by reference and never copy, suffering "slicing."
|
||||
: public ClientData::Base
|
||||
, protected PrefsListener
|
||||
{
|
||||
public:
|
||||
ZoomInfo(double start, double pixelsPerSecond);
|
||||
~ZoomInfo();
|
||||
|
||||
// Be sure we don't slice
|
||||
ZoomInfo(const ZoomInfo&) PROHIBITED;
|
||||
ZoomInfo& operator= (const ZoomInfo&) PROHIBITED;
|
||||
|
||||
void UpdatePrefs() override;
|
||||
|
||||
int vpos; // vertical scroll pos
|
||||
|
||||
double h; // h pos in secs
|
||||
|
||||
protected:
|
||||
double zoom; // pixels per second
|
||||
|
||||
public:
|
||||
float dBr; // decibel scale range
|
||||
|
||||
// do NOT use this once to convert a pixel width to a duration!
|
||||
// Instead, call twice to convert start and end times,
|
||||
// and take the difference.
|
||||
// origin specifies the pixel corresponding to time h
|
||||
double PositionToTime(wxInt64 position,
|
||||
wxInt64 origin = 0
|
||||
, bool ignoreFisheye = false
|
||||
) const;
|
||||
|
||||
// do NOT use this once to convert a duration to a pixel width!
|
||||
// Instead, call twice to convert start and end positions,
|
||||
// and take the difference.
|
||||
// origin specifies the pixel corresponding to time h
|
||||
wxInt64 TimeToPosition(double time,
|
||||
wxInt64 origin = 0
|
||||
, bool ignoreFisheye = false
|
||||
) const;
|
||||
|
||||
// This always ignores the fisheye. Use with caution!
|
||||
// You should prefer to call TimeToPosition twice, for endpoints, and take the difference!
|
||||
double TimeRangeToPixelWidth(double timeRange) const;
|
||||
|
||||
double OffsetTimeByPixels(double time, wxInt64 offset, bool ignoreFisheye = false) const
|
||||
{
|
||||
return PositionToTime(offset + TimeToPosition(time, ignoreFisheye), ignoreFisheye);
|
||||
}
|
||||
|
||||
bool ZoomInAvailable() const;
|
||||
bool ZoomOutAvailable() const;
|
||||
|
||||
static double GetDefaultZoom()
|
||||
{ return 44100.0 / 512.0; }
|
||||
|
||||
|
||||
// Limits zoom to certain bounds
|
||||
void SetZoom(double pixelsPerSecond);
|
||||
|
||||
// This function should not be used to convert positions to times and back
|
||||
// Use TimeToPosition and PositionToTime and OffsetTimeByPixels instead
|
||||
double GetZoom() const;
|
||||
|
||||
static double GetMaxZoom( );
|
||||
static double GetMinZoom( );
|
||||
|
||||
// Limits zoom to certain bounds
|
||||
// multipliers above 1.0 zoom in, below out
|
||||
void ZoomBy(double multiplier);
|
||||
|
||||
struct Interval {
|
||||
CONST wxInt64 position; CONST double averageZoom; CONST bool inFisheye;
|
||||
Interval(wxInt64 p, double z, bool i)
|
||||
: position(p), averageZoom(z), inFisheye(i) {}
|
||||
};
|
||||
typedef std::vector<Interval> Intervals;
|
||||
|
||||
// Find an increasing sequence of pixel positions. Each is the start
|
||||
// of an interval, or is the end position.
|
||||
// Each of the disjoint intervals should be drawn
|
||||
// separately.
|
||||
// It is guaranteed that there is at least one entry and the position of the
|
||||
// first entry equals origin.
|
||||
// @param origin specifies the pixel position corresponding to time ViewInfo::h.
|
||||
void FindIntervals
|
||||
(double rate, Intervals &results, wxInt64 width, wxInt64 origin = 0) const;
|
||||
|
||||
enum FisheyeState {
|
||||
HIDDEN,
|
||||
PINNED,
|
||||
|
||||
NUM_STATES,
|
||||
};
|
||||
FisheyeState GetFisheyeState() const
|
||||
{ return HIDDEN; } // stub
|
||||
|
||||
// Return true if the mouse position is anywhere in the fisheye
|
||||
// origin specifies the pixel corresponding to time h
|
||||
bool InFisheye(wxInt64 /*position*/, wxInt64 WXUNUSED(origin = 0)) const
|
||||
{return false;} // stub
|
||||
|
||||
// These accessors ignore the fisheye hiding state.
|
||||
// Inclusive:
|
||||
wxInt64 GetFisheyeLeftBoundary(wxInt64 WXUNUSED(origin = 0)) const
|
||||
{return 0;} // stub
|
||||
// Exclusive:
|
||||
wxInt64 GetFisheyeRightBoundary(wxInt64 WXUNUSED(origin = 0)) const
|
||||
{return 0;} // stub
|
||||
};
|
||||
|
||||
#endif
|
|
@ -61,7 +61,7 @@ std::pair<wxRect, bool> EditCursorOverlay::DoGetRectangle(wxSize size)
|
|||
}
|
||||
else {
|
||||
mCursorTime = selection.t0();
|
||||
mNewCursorX = ZoomInfo::Get( *mProject ).TimeToPosition(
|
||||
mNewCursorX = ViewInfo::Get( *mProject ).TimeToPosition(
|
||||
mCursorTime, TrackPanel::Get( *mProject ).GetLeftOffset());
|
||||
}
|
||||
|
||||
|
@ -87,7 +87,7 @@ void EditCursorOverlay::Draw(OverlayPanel &panel, wxDC &dc)
|
|||
if (mLastCursorX == -1)
|
||||
return;
|
||||
|
||||
const auto &viewInfo = ZoomInfo::Get( *mProject );
|
||||
const auto &viewInfo = ViewInfo::Get( *mProject );
|
||||
|
||||
auto &trackPanel = TrackPanel::Get( *mProject );
|
||||
const bool
|
||||
|
|
|
@ -321,6 +321,7 @@
|
|||
<ClCompile Include="..\..\..\src\VoiceKey.cpp" />
|
||||
<ClCompile Include="..\..\..\src\WaveClip.cpp" />
|
||||
<ClCompile Include="..\..\..\src\WaveTrack.cpp" />
|
||||
<ClCompile Include="..\..\..\src\ZoomInfo.cpp" />
|
||||
<ClCompile Include="..\..\..\src\widgets\BackedPanel.cpp" />
|
||||
<ClCompile Include="..\..\..\src\widgets\HelpSystem.cpp" />
|
||||
<ClCompile Include="..\..\..\src\widgets\NumericTextCtrl.cpp" />
|
||||
|
@ -714,6 +715,7 @@
|
|||
<ClInclude Include="..\..\..\src\WaveClip.h" />
|
||||
<ClInclude Include="..\..\..\src\WaveTrack.h" />
|
||||
<ClInclude Include="..\..\..\src\WrappedType.h" />
|
||||
<ClInclude Include="..\..\..\src\ZoomInfo.h" />
|
||||
<ClInclude Include="..\..\..\src\effects\Amplify.h" />
|
||||
<ClInclude Include="..\..\..\src\effects\AutoDuck.h" />
|
||||
<ClInclude Include="..\..\..\src\effects\BassTreble.h" />
|
||||
|
|
|
@ -383,6 +383,9 @@
|
|||
<ClCompile Include="..\..\..\src\WrappedType.cpp">
|
||||
<Filter>src</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\..\src\ZoomInfo.cpp">
|
||||
<Filter>src</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\..\src\effects\Amplify.cpp">
|
||||
<Filter>src\effects</Filter>
|
||||
</ClCompile>
|
||||
|
@ -1495,6 +1498,9 @@
|
|||
<ClInclude Include="..\..\..\src\WrappedType.h">
|
||||
<Filter>src</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\..\src\ZoomInfo.h">
|
||||
<Filter>src</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\..\src\effects\Amplify.h">
|
||||
<Filter>src\effects</Filter>
|
||||
</ClInclude>
|
||||
|
|
Loading…
Reference in New Issue