use GetFont() instead of (possibly not initialized) m_font in GetCharWidth/Height()

[wxWidgets.git] / src / common / event.cpp

diff --git a/src/common/event.cpp b/src/common/event.cpp
index 68c063950e786a2be43ec28d862ef688900a7bd9..8b0fb73f573af0229d1506ee87013c60c75b1ed9 100644 (file)
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -541,106 +541,120 @@ void wxMouseEvent::Assign(const wxMouseEvent& event)
     m_linesPerAction = event.m_linesPerAction;
 }
 
-// True if was a button dclick event (1 = left, 2 = middle, 3 = right)
-// or any button dclick event (but = -1)
+// return true if was a button dclick event
 bool wxMouseEvent::ButtonDClick(int but) const
 {
     switch (but)
     {
-        case -1:
+        default:
+            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
+            // fall through
+
+        case wxMOUSE_BTN_ANY:
             return (LeftDClick() || MiddleDClick() || RightDClick());
-        case 1:
+
+        case wxMOUSE_BTN_LEFT:
             return LeftDClick();
-        case 2:
+
+        case wxMOUSE_BTN_MIDDLE:
             return MiddleDClick();
-        case 3:
+
+        case wxMOUSE_BTN_RIGHT:
             return RightDClick();
-        default:
-            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
     }
-
-    return false;
 }
 
-// True if was a button down event (1 = left, 2 = middle, 3 = right)
-// or any button down event (but = -1)
+// return true if was a button down event
 bool wxMouseEvent::ButtonDown(int but) const
 {
     switch (but)
     {
-        case -1:
+        default:
+            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
+            // fall through
+
+        case wxMOUSE_BTN_ANY:
             return (LeftDown() || MiddleDown() || RightDown());
-        case 1:
+
+        case wxMOUSE_BTN_LEFT:
             return LeftDown();
-        case 2:
+
+        case wxMOUSE_BTN_MIDDLE:
             return MiddleDown();
-        case 3:
+
+        case wxMOUSE_BTN_RIGHT:
             return RightDown();
-        default:
-            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
     }
-
-    return false;
 }
 
-// True if was a button up event (1 = left, 2 = middle, 3 = right)
-// or any button up event (but = -1)
+// return true if was a button up event
 bool wxMouseEvent::ButtonUp(int but) const
 {
     switch (but)
     {
-        case -1:
+        default:
+            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
+            // fall through
+
+        case wxMOUSE_BTN_ANY:
             return (LeftUp() || MiddleUp() || RightUp());
-        case 1:
+
+        case wxMOUSE_BTN_LEFT:
             return LeftUp();
-        case 2:
+
+        case wxMOUSE_BTN_MIDDLE:
             return MiddleUp();
-        case 3:
+
+        case wxMOUSE_BTN_RIGHT:
             return RightUp();
-        default:
-            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
     }
-
-    return false;
 }
 
-// True if the given button is currently changing state
+// return true if the given button is currently changing state
 bool wxMouseEvent::Button(int but) const
 {
     switch (but)
     {
-        case -1:
-            return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1));
-        case 1:
-            return (LeftDown() || LeftUp() || LeftDClick());
-        case 2:
-            return (MiddleDown() || MiddleUp() || MiddleDClick());
-        case 3:
-            return (RightDown() || RightUp() || RightDClick());
         default:
             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
-    }
+            // fall through
 
-    return false;
+        case wxMOUSE_BTN_ANY:
+            return ButtonUp(wxMOUSE_BTN_ANY) ||
+                    ButtonDown(wxMOUSE_BTN_ANY) ||
+                        ButtonDClick(wxMOUSE_BTN_ANY);
+
+        case wxMOUSE_BTN_LEFT:
+            return LeftDown() || LeftUp() || LeftDClick();
+
+        case wxMOUSE_BTN_MIDDLE:
+            return MiddleDown() || MiddleUp() || MiddleDClick();
+
+        case wxMOUSE_BTN_RIGHT:
+            return RightDown() || RightUp() || RightDClick();
+    }
 }
 
 bool wxMouseEvent::ButtonIsDown(int but) const
 {
     switch (but)
     {
-        case -1:
-            return (LeftIsDown() || MiddleIsDown() || RightIsDown());
-        case 1:
+        default:
+            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
+            // fall through
+
+        case wxMOUSE_BTN_ANY:
+            return LeftIsDown() || MiddleIsDown() || RightIsDown();
+
+        case wxMOUSE_BTN_LEFT:
             return LeftIsDown();
-        case 2:
+
+        case wxMOUSE_BTN_MIDDLE:
             return MiddleIsDown();
-        case 3:
+
+        case wxMOUSE_BTN_RIGHT:
             return RightIsDown();
-        default:
-            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
     }
-
-    return false;
 }
 
 int wxMouseEvent::GetButton() const
@@ -653,7 +667,7 @@ int wxMouseEvent::GetButton() const
         }
     }
 
-    return -1;
+    return wxMOUSE_BTN_NONE;
 }
 
 // Find the logical position of the event given the DC
@@ -1081,6 +1095,11 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event)
 
 void wxEvtHandler::ProcessPendingEvents()
 {
+    // this method is only called by wxApp if this handler does have pending
+    // events
+    wxCHECK_RET( m_pendingEvents,
+                 wxT("Please call wxApp::ProcessPendingEvents() instead") );
+
 #if defined(__VISAGECPP__)
     wxENTER_CRIT_SECT( m_eventsLocker);
 #else
@@ -1316,7 +1335,7 @@ bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
         wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
 
-        if ((event.m_eventType == entry->m_eventType) && entry->m_fn)
+        if ((event.m_eventType == entry->m_eventType) && (entry->m_fn != 0))
         {
             wxEvtHandler *handler =
 #if !WXWIN_COMPATIBILITY_EVENT_TYPES