Added MouseWheel support to wxSTC

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10013 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

contrib/include/wx/stc/stc.h

@@ -1256,6 +1256,7 @@ private:
     void OnMouseMove(wxMouseEvent& evt);
     void OnMouseLeftUp(wxMouseEvent& evt);
     void OnMouseRightUp(wxMouseEvent& evt);
+    void OnMouseWheel(wxMouseEvent& evt);
     void OnChar(wxKeyEvent& evt);
     void OnKeyDown(wxKeyEvent& evt);
     void OnLoseFocus(wxFocusEvent& evt);

contrib/src/stc/ScintillaWX.cpp

@@ -95,6 +95,7 @@ ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
     wMain = win;
     wDraw = win;
     stc   = win;
+    wheelRotation = 0;
     Initialise();
 }
 
@@ -363,6 +364,22 @@ void ScintillaWX::DoVScroll(int type, int pos) {
     ScrollTo(topLineNew);
 }
 
+
+void ScintillaWX::DoMouseWheel(int rotation, int delta, int linesPerAction) {
+    int topLineNew = topLine;
+    int lines;
+
+    wheelRotation += rotation;
+    lines = wheelRotation / delta;
+    wheelRotation -= lines * delta;
+    if (lines != 0) {
+        lines *= linesPerAction;
+        topLineNew -= lines;
+        ScrollTo(topLineNew);
+    }
+}
+
+
 void ScintillaWX::DoSize(int width, int height) {
     PRectangle rcClient(0,0,width,height);
     SetScrollBarsTo(rcClient);

contrib/src/stc/ScintillaWX.h

@@ -119,6 +119,7 @@ public:
     void DoButtonDown(Point pt, unsigned int curTime, bool shift, bool ctrl, bool alt);
     void DoButtonUp(Point pt, unsigned int curTime, bool ctrl);
     void DoButtonMove(Point pt);
+    void DoMouseWheel(int rotation, int delta, int linesPerAction);
     void DoAddChar(char ch);
     int  DoKeyDown(int key, bool shift, bool ctrl, bool alt);
     void DoTick() { Tick(); }
@@ -146,6 +147,7 @@ private:
 
     wxSTCDropTarget*    dropTarget;
     wxDragResult        dragResult;
+    int                 wheelRotation;
 };
 
 //----------------------------------------------------------------------

contrib/src/stc/gen_iface.py

@@ -19,14 +19,14 @@ from fileinput import FileInput
 IFACE         = './scintilla/include/Scintilla.iface'
 H_TEMPLATE    = './stc.h.in'
 CPP_TEMPLATE  = './stc.cpp.in'
-H_DEST        = '../../include/wx/stc/stc.h' # './stc_test.h' #
+H_DEST        = '../../include/wx/stc/stc.h'
-CPP_DEST      = './stc.cpp' #'./stc_test.cpp'
+CPP_DEST      = './stc.cpp'
 
 
 # Value prefixes to convert
 valPrefixes = [('SCI_', ''),
                ('SC_',  ''),
-               ('SCN_', None),  # just toss these...
+               ('SCN_', None),  # just toss these out...
                ('SCEN_', None),
                ('SCE_', ''),
                ('SCLEX_', 'LEX_'),

contrib/src/stc/stc.cpp

@@ -91,6 +91,7 @@ BEGIN_EVENT_TABLE(wxStyledTextCtrl, wxControl)
     EVT_MOTION                  (wxStyledTextCtrl::OnMouseMove)
     EVT_LEFT_UP                 (wxStyledTextCtrl::OnMouseLeftUp)
     EVT_RIGHT_UP                (wxStyledTextCtrl::OnMouseRightUp)
+    EVT_MOUSEWHEEL              (wxStyledTextCtrl::OnMouseWheel)
     EVT_CHAR                    (wxStyledTextCtrl::OnChar)
     EVT_KEY_DOWN                (wxStyledTextCtrl::OnKeyDown)
     EVT_KILL_FOCUS              (wxStyledTextCtrl::OnLoseFocus)
@@ -1556,6 +1557,14 @@ void wxStyledTextCtrl::OnMouseRightUp(wxMouseEvent& evt) {
     m_swx->DoContextMenu(Point(pt.x, pt.y));
 }
 
+
+void wxStyledTextCtrl::OnMouseWheel(wxMouseEvent& evt) {
+    m_swx->DoMouseWheel(evt.GetWheelRotation(),
+                        evt.GetWheelDelta(),
+                        evt.GetLinesPerAction());
+}
+
+
 void wxStyledTextCtrl::OnChar(wxKeyEvent& evt) {
     long key = evt.KeyCode();
     if ((key > WXK_ESCAPE) &&

contrib/src/stc/stc.cpp.in

@@ -91,6 +91,7 @@ BEGIN_EVENT_TABLE(wxStyledTextCtrl, wxControl)
     EVT_MOTION                  (wxStyledTextCtrl::OnMouseMove)
     EVT_LEFT_UP                 (wxStyledTextCtrl::OnMouseLeftUp)
     EVT_RIGHT_UP                (wxStyledTextCtrl::OnMouseRightUp)
+    EVT_MOUSEWHEEL              (wxStyledTextCtrl::OnMouseWheel)
     EVT_CHAR                    (wxStyledTextCtrl::OnChar)
     EVT_KEY_DOWN                (wxStyledTextCtrl::OnKeyDown)
     EVT_KILL_FOCUS              (wxStyledTextCtrl::OnLoseFocus)
@@ -350,6 +351,14 @@ void wxStyledTextCtrl::OnMouseRightUp(wxMouseEvent& evt) {
     m_swx->DoContextMenu(Point(pt.x, pt.y));
 }
 
+
+void wxStyledTextCtrl::OnMouseWheel(wxMouseEvent& evt) {
+    m_swx->DoMouseWheel(evt.GetWheelRotation(),
+                        evt.GetWheelDelta(),
+                        evt.GetLinesPerAction());
+}
+
+
 void wxStyledTextCtrl::OnChar(wxKeyEvent& evt) {
     long key = evt.KeyCode();
     if ((key > WXK_ESCAPE) &&

contrib/src/stc/stc.h.in

@@ -154,6 +154,7 @@ private:
     void OnMouseMove(wxMouseEvent& evt);
     void OnMouseLeftUp(wxMouseEvent& evt);
     void OnMouseRightUp(wxMouseEvent& evt);
+    void OnMouseWheel(wxMouseEvent& evt);
     void OnChar(wxKeyEvent& evt);
     void OnKeyDown(wxKeyEvent& evt);
     void OnLoseFocus(wxFocusEvent& evt);

include/wx/stc/stc.h

@@ -1256,6 +1256,7 @@ private:
     void OnMouseMove(wxMouseEvent& evt);
     void OnMouseLeftUp(wxMouseEvent& evt);
     void OnMouseRightUp(wxMouseEvent& evt);
+    void OnMouseWheel(wxMouseEvent& evt);
     void OnChar(wxKeyEvent& evt);
     void OnKeyDown(wxKeyEvent& evt);
     void OnLoseFocus(wxFocusEvent& evt);

src/stc/ScintillaWX.cpp

@@ -95,6 +95,7 @@ ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
     wMain = win;
     wDraw = win;
     stc   = win;
+    wheelRotation = 0;
     Initialise();
 }
 
@@ -363,6 +364,22 @@ void ScintillaWX::DoVScroll(int type, int pos) {
     ScrollTo(topLineNew);
 }
 
+
+void ScintillaWX::DoMouseWheel(int rotation, int delta, int linesPerAction) {
+    int topLineNew = topLine;
+    int lines;
+
+    wheelRotation += rotation;
+    lines = wheelRotation / delta;
+    wheelRotation -= lines * delta;
+    if (lines != 0) {
+        lines *= linesPerAction;
+        topLineNew -= lines;
+        ScrollTo(topLineNew);
+    }
+}
+
+
 void ScintillaWX::DoSize(int width, int height) {
     PRectangle rcClient(0,0,width,height);
     SetScrollBarsTo(rcClient);

src/stc/ScintillaWX.h

@@ -119,6 +119,7 @@ public:
     void DoButtonDown(Point pt, unsigned int curTime, bool shift, bool ctrl, bool alt);
     void DoButtonUp(Point pt, unsigned int curTime, bool ctrl);
     void DoButtonMove(Point pt);
+    void DoMouseWheel(int rotation, int delta, int linesPerAction);
     void DoAddChar(char ch);
     int  DoKeyDown(int key, bool shift, bool ctrl, bool alt);
     void DoTick() { Tick(); }
@@ -146,6 +147,7 @@ private:
 
     wxSTCDropTarget*    dropTarget;
     wxDragResult        dragResult;
+    int                 wheelRotation;
 };
 
 //----------------------------------------------------------------------

src/stc/gen_iface.py

@@ -19,14 +19,14 @@ from fileinput import FileInput
 IFACE         = './scintilla/include/Scintilla.iface'
 H_TEMPLATE    = './stc.h.in'
 CPP_TEMPLATE  = './stc.cpp.in'
-H_DEST        = '../../include/wx/stc/stc.h' # './stc_test.h' #
+H_DEST        = '../../include/wx/stc/stc.h'
-CPP_DEST      = './stc.cpp' #'./stc_test.cpp'
+CPP_DEST      = './stc.cpp'
 
 
 # Value prefixes to convert
 valPrefixes = [('SCI_', ''),
                ('SC_',  ''),
-               ('SCN_', None),  # just toss these...
+               ('SCN_', None),  # just toss these out...
                ('SCEN_', None),
                ('SCE_', ''),
                ('SCLEX_', 'LEX_'),

src/stc/stc.cpp

@@ -91,6 +91,7 @@ BEGIN_EVENT_TABLE(wxStyledTextCtrl, wxControl)
     EVT_MOTION                  (wxStyledTextCtrl::OnMouseMove)
     EVT_LEFT_UP                 (wxStyledTextCtrl::OnMouseLeftUp)
     EVT_RIGHT_UP                (wxStyledTextCtrl::OnMouseRightUp)
+    EVT_MOUSEWHEEL              (wxStyledTextCtrl::OnMouseWheel)
     EVT_CHAR                    (wxStyledTextCtrl::OnChar)
     EVT_KEY_DOWN                (wxStyledTextCtrl::OnKeyDown)
     EVT_KILL_FOCUS              (wxStyledTextCtrl::OnLoseFocus)
@@ -1556,6 +1557,14 @@ void wxStyledTextCtrl::OnMouseRightUp(wxMouseEvent& evt) {
     m_swx->DoContextMenu(Point(pt.x, pt.y));
 }
 
+
+void wxStyledTextCtrl::OnMouseWheel(wxMouseEvent& evt) {
+    m_swx->DoMouseWheel(evt.GetWheelRotation(),
+                        evt.GetWheelDelta(),
+                        evt.GetLinesPerAction());
+}
+
+
 void wxStyledTextCtrl::OnChar(wxKeyEvent& evt) {
     long key = evt.KeyCode();
     if ((key > WXK_ESCAPE) &&

src/stc/stc.cpp.in

@@ -91,6 +91,7 @@ BEGIN_EVENT_TABLE(wxStyledTextCtrl, wxControl)
     EVT_MOTION                  (wxStyledTextCtrl::OnMouseMove)
     EVT_LEFT_UP                 (wxStyledTextCtrl::OnMouseLeftUp)
     EVT_RIGHT_UP                (wxStyledTextCtrl::OnMouseRightUp)
+    EVT_MOUSEWHEEL              (wxStyledTextCtrl::OnMouseWheel)
     EVT_CHAR                    (wxStyledTextCtrl::OnChar)
     EVT_KEY_DOWN                (wxStyledTextCtrl::OnKeyDown)
     EVT_KILL_FOCUS              (wxStyledTextCtrl::OnLoseFocus)
@@ -350,6 +351,14 @@ void wxStyledTextCtrl::OnMouseRightUp(wxMouseEvent& evt) {
     m_swx->DoContextMenu(Point(pt.x, pt.y));
 }
 
+
+void wxStyledTextCtrl::OnMouseWheel(wxMouseEvent& evt) {
+    m_swx->DoMouseWheel(evt.GetWheelRotation(),
+                        evt.GetWheelDelta(),
+                        evt.GetLinesPerAction());
+}
+
+
 void wxStyledTextCtrl::OnChar(wxKeyEvent& evt) {
     long key = evt.KeyCode();
     if ((key > WXK_ESCAPE) &&

src/stc/stc.h.in

@@ -154,6 +154,7 @@ private:
     void OnMouseMove(wxMouseEvent& evt);
     void OnMouseLeftUp(wxMouseEvent& evt);
     void OnMouseRightUp(wxMouseEvent& evt);
+    void OnMouseWheel(wxMouseEvent& evt);
     void OnChar(wxKeyEvent& evt);
     void OnKeyDown(wxKeyEvent& evt);
     void OnLoseFocus(wxFocusEvent& evt);