From 3d7471a612eac5e1bc82024e7694299f6d9385a7 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Fri, 30 Jun 2017 22:23:54 -0400
Subject: [PATCH] new file

---
 mac/Audacity.xcodeproj/project.pbxproj        |  2 ++
 src/Makefile.am                               |  1 +
 src/Makefile.in                               |  6 ++--
 src/TrackPanelDrawingContext.h                | 28 +++++++++++++++++++
 win/Projects/Audacity/Audacity.vcxproj        |  1 +
 .../Audacity/Audacity.vcxproj.filters         |  3 ++
 6 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 src/TrackPanelDrawingContext.h

diff --git a/mac/Audacity.xcodeproj/project.pbxproj b/mac/Audacity.xcodeproj/project.pbxproj
index 16ebbc0ae..886abcb03 100644
--- a/mac/Audacity.xcodeproj/project.pbxproj
+++ b/mac/Audacity.xcodeproj/project.pbxproj
@@ -3061,6 +3061,7 @@
 		5E3FFE701EC9032B0020F7C9 /* NoteTrackSliderHandles.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = NoteTrackSliderHandles.cpp; sourceTree = "<group>"; };
 		5E3FFE711EC9032B0020F7C9 /* NoteTrackSliderHandles.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NoteTrackSliderHandles.h; sourceTree = "<group>"; };
 		5E4685F81CCA9D84008741F2 /* CommandFunctors.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = CommandFunctors.h; sourceTree = "<group>"; };
+		5E52335F1EFDD57D001E4BB8 /* TrackPanelDrawingContext.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = TrackPanelDrawingContext.h; sourceTree = "<group>"; };
 		5E61EE0C1CBAA6BB0009FCF1 /* MemoryX.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MemoryX.h; sourceTree = "<group>"; };
 		5E667A5E1F0BEE5F00C942A5 /* WaveTrackVZoomHandle.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WaveTrackVZoomHandle.cpp; sourceTree = "<group>"; };
 		5E667A5F1F0BEE5F00C942A5 /* WaveTrackVZoomHandle.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WaveTrackVZoomHandle.h; sourceTree = "<group>"; };
@@ -4157,6 +4158,7 @@
 				1790B0EF09883BFD008A330A /* TrackPanelAx.h */,
 				5E74D2D91CC4427B00D88B0B /* TrackPanelCell.h */,
 				5E74D2DA1CC4427B00D88B0B /* TrackPanelCellIterator.h */,
+				5E52335F1EFDD57D001E4BB8 /* TrackPanelDrawingContext.h */,
 				2803C8B619F35AA000278526 /* TrackPanelListener.h */,
 				5E15123A1DB000C000702E29 /* TrackPanelMouseEvent.h */,
 				5E7396611DAFDB1E00BA0A4D /* TrackPanelResizeHandle.h */,
diff --git a/src/Makefile.am b/src/Makefile.am
index 900774196..ea1fbae5e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -247,6 +247,7 @@ audacity_SOURCES = \
 	TrackPanelAx.h \
 	TrackPanelCell.h \
 	TrackPanelCellIterator.h \
+	TrackPanelDrawingContext.h \
 	TrackPanelListener.h \
 	TrackPanelMouseEvent.h \
 	TrackPanelResizeHandle.cpp \
diff --git a/src/Makefile.in b/src/Makefile.in
index 1e79794ec..3596499f5 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -328,7 +328,8 @@ am__audacity_SOURCES_DIST = BlockFile.cpp BlockFile.h DirManager.cpp \
 	TimerRecordDialog.cpp TimerRecordDialog.h TimeTrack.cpp \
 	TimeTrack.h Track.cpp Track.h TrackArtist.cpp TrackArtist.h \
 	TrackPanel.cpp TrackPanel.h TrackPanelAx.cpp TrackPanelAx.h \
-	TrackPanelCell.h TrackPanelCellIterator.h TrackPanelListener.h \
+	TrackPanelCell.h TrackPanelCellIterator.h \
+	TrackPanelDrawingContext.h TrackPanelListener.h \
 	TrackPanelMouseEvent.h TrackPanelResizeHandle.cpp \
 	TrackPanelResizeHandle.h TrackPanelResizerCell.cpp \
 	TrackPanelResizerCell.h TranslatableStringArray.h UIHandle.h \
@@ -1342,7 +1343,8 @@ audacity_SOURCES = $(libaudacity_la_SOURCES) AboutDialog.cpp \
 	TimerRecordDialog.cpp TimerRecordDialog.h TimeTrack.cpp \
 	TimeTrack.h Track.cpp Track.h TrackArtist.cpp TrackArtist.h \
 	TrackPanel.cpp TrackPanel.h TrackPanelAx.cpp TrackPanelAx.h \
-	TrackPanelCell.h TrackPanelCellIterator.h TrackPanelListener.h \
+	TrackPanelCell.h TrackPanelCellIterator.h \
+	TrackPanelDrawingContext.h TrackPanelListener.h \
 	TrackPanelMouseEvent.h TrackPanelResizeHandle.cpp \
 	TrackPanelResizeHandle.h TrackPanelResizerCell.cpp \
 	TrackPanelResizerCell.h TranslatableStringArray.h UIHandle.h \
diff --git a/src/TrackPanelDrawingContext.h b/src/TrackPanelDrawingContext.h
new file mode 100644
index 000000000..f55cacdf4
--- /dev/null
+++ b/src/TrackPanelDrawingContext.h
@@ -0,0 +1,28 @@
+/**********************************************************************
+
+ Audacity: A Digital Audio Editor
+
+ TrackPanelDrawingContext.h
+
+ Paul Licameli
+
+ **********************************************************************/
+
+#ifndef __AUDACITY_TRACK_PANEL_DRAWING_CONTEXT__
+#define __AUDACITY_TRACK_PANEL_DRAWING_CONTEXT__
+
+#include "MemoryX.h"
+
+class UIHandle;
+using UIHandlePtr = std::shared_ptr<UIHandle>;
+class wxDC;
+
+#include <wx/mousestate.h>
+
+struct TrackPanelDrawingContext {
+   wxDC &dc;
+   UIHandlePtr target;
+   wxMouseState lastState;
+};
+
+#endif
diff --git a/win/Projects/Audacity/Audacity.vcxproj b/win/Projects/Audacity/Audacity.vcxproj
index 0131c3aba..57af61d3a 100755
--- a/win/Projects/Audacity/Audacity.vcxproj
+++ b/win/Projects/Audacity/Audacity.vcxproj
@@ -508,6 +508,7 @@
     <ClInclude Include="..\..\..\src\toolbars\SpectralSelectionBarListener.h" />
     <ClInclude Include="..\..\..\src\TrackPanelCell.h" />
     <ClInclude Include="..\..\..\src\TrackPanelCellIterator.h" />
+    <ClInclude Include="..\..\..\src\TrackPanelDrawingContext.h" />
     <ClInclude Include="..\..\..\src\TrackPanelListener.h" />
     <ClInclude Include="..\..\..\src\TrackPanelMouseEvent.h" />
     <ClInclude Include="..\..\..\src\tracks\playabletrack\notetrack\ui\NoteTrackButtonHandle.h" />
diff --git a/win/Projects/Audacity/Audacity.vcxproj.filters b/win/Projects/Audacity/Audacity.vcxproj.filters
index 7ba58244e..1cf7e738a 100755
--- a/win/Projects/Audacity/Audacity.vcxproj.filters
+++ b/win/Projects/Audacity/Audacity.vcxproj.filters
@@ -1933,6 +1933,9 @@
     <ClInclude Include="..\..\..\src\RealFFTf48x.h">
       <Filter>src</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\TrackPanelDrawingContext.h">
+      <Filter>src</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\TrackPanelCell.h">
       <Filter>src</Filter>
     </ClInclude>