add wxMouseEvent::GetClickCount() and implement it for wxMac

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49528 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -189,6 +189,7 @@ All (GUI):
 - Added support for drop down toolbar buttons (Tim Kosse).
 - Added support for labels for toolbar controls (Vince Harron).
 - Added wxMessageDialog::SetMessage() and SetExtendedMessage().
+- Added wxMouseEvent::GetClickCount() (Julian Scheid)
 - Added wxBG_STYLE_TRANSPARENT background style (Julian Scheid)
 - Added XRCSIZERITEM() macro for obtaining sizers from XRC (Brian Vanderburg II)
 - New and improved wxFileCtrl (Diaa Sami and Marcin Wojdyr)

docs/latex/wx/mouseevt.tex

@@ -366,6 +366,20 @@ double click events, {\tt wxMOUSE\_BTN\_MIDDLE} and {\tt wxMOUSE\_BTN\_RIGHT}
 for the same events for the middle and the right buttons respectively.
 
 
+\membersection{wxMouseEvent::GetClickCount}\label{wxmouseeventgetclickcount}
+
+\constfunc{int}{GetClickCount}{\void}
+
+Returns the number of mouse clicks for this event: $1$ for a simple click, $2$
+for a double-click, $3$ for a triple-click and so on.
+
+Currently this function is implemented only in wxMac and returns $-1$ for the
+other platforms (you can still distinguish simple clicks from double-clicks as
+they generate different kinds of events however).
+
+\newsince{2.9.0}
+
+
 \membersection{wxMouseEvent::GetPosition}\label{wxmouseeventgetposition}
 
 \constfunc{wxPoint}{GetPosition}{\void}

include/wx/event.h

@@ -777,6 +777,10 @@ public:
     // True if the mouse is just leaving the window
     bool Leaving() const { return (m_eventType == wxEVT_LEAVE_WINDOW); }
 
+    // Returns the number of mouse clicks associated with this event.
+    int GetClickCount() const { return m_clickCount; }
+
+
     // Find the position of the event
     void GetPosition(wxCoord *xpos, wxCoord *ypos) const
     {
@@ -850,6 +854,8 @@ public:
     bool          m_altDown;
     bool          m_metaDown;
 
+    int           m_clickCount;
+
     int           m_wheelAxis;
     int           m_wheelRotation;
     int           m_wheelDelta;

src/common/event.cpp

@@ -518,17 +518,23 @@ wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
 wxMouseEvent::wxMouseEvent(wxEventType commandType)
 {
     m_eventType = commandType;
-    m_metaDown = false;
+
-    m_altDown = false;
-    m_controlDown = false;
-    m_shiftDown = false;
-    m_leftDown = false;
-    m_rightDown = false;
-    m_middleDown = false;
-    m_aux1Down = false;
-    m_aux2Down = false;
     m_x = 0;
     m_y = 0;
+
+    m_leftDown = false;
+    m_middleDown = false;
+    m_rightDown = false;
+    m_aux1Down = false;
+    m_aux2Down = false;
+
+    m_controlDown = false;
+    m_shiftDown = false;
+    m_altDown = false;
+    m_metaDown = false;
+
+    m_clickCount = -1;
+
     m_wheelRotation = 0;
     m_wheelDelta = 0;
     m_linesPerAction = 0;

src/mac/carbon/toplevel.cpp

@@ -272,6 +272,7 @@ void SetupMouseEvent( wxMouseEvent &wxevent , wxMacCarbonEvent &cEvent )
     wxevent.m_controlDown = modifiers & controlKey;
     wxevent.m_altDown = modifiers & optionKey;
     wxevent.m_metaDown = modifiers & cmdKey;
+    wxevent.m_clickCount = clickCount;
     wxevent.SetTimestamp( cEvent.GetTicks() ) ;
 
     // a control click is interpreted as a right click