virtual int GetCharHeight() const;
virtual int GetCharWidth() const;
- virtual void GetTextExtent(const wxString& string,
- int *x, int *y,
- int *descent = NULL,
- int *externalLeading = NULL,
- const wxFont *theFont = (const wxFont *) NULL)
- const;
virtual void SetScrollbar( int orient, int pos, int thumbVisible,
int range, bool refresh = true );
// anything else. If it returns -1, the handler should continue as usual
int GTKCallbackCommonPrologue(struct _GdkEventAny *event) const;
+ // Simplified form of GTKCallbackCommonPrologue() which can be used from
+ // GTK callbacks without return value to check if the event should be
+ // ignored: if this returns true, the event shouldn't be handled
+ bool GTKShouldIgnoreEvent() const;
+
+
// override this if some events should never be consumed by wxWidgets but
// but have to be left for the native control
//
// extra (wxGTK-specific) flags
bool m_noExpose:1; // wxGLCanvas has its own redrawing
bool m_nativeSizeEvent:1; // wxGLCanvas sends wxSizeEvent upon "alloc_size"
- bool m_hasVMT:1;
+ bool m_hasVMT:1; // set after PostCreation() is called
bool m_isScrolling:1; // dragging scrollbar thumb?
bool m_clipPaintRegion:1; // true after ScrollWindow()
wxRegion m_nativeUpdateRegion; // not transformed for RTL
protected:
// implement the base class pure virtuals
+ virtual void DoGetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *font = NULL) const;
virtual void DoClientToScreen( int *x, int *y ) const;
virtual void DoScreenToClient( int *x, int *y ) const;
virtual void DoGetPosition( int *x, int *y ) const;
// should be called from OnInternalIdle() if it's overridden
void GTKUpdateCursor();
+ // Connect the given function to the specified signal on m_widget.
+ //
+ // This is just a wrapper for g_signal_connect() and returns the handler id
+ // just as it does.
+ gulong GTKConnectWidget(const char *signal, void (*callback)());
+
+ // Return true from here if PostCreation() should connect to size_request
+ // signal: this is done by default but doesn't work for some native
+ // controls which override this function to return false
+ virtual bool GTKShouldConnectSizeRequest() const { return !IsTopLevel(); }
+
void ConstrainSize();
private: