Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / stattext.h

diff --git a/include/wx/stattext.h b/include/wx/stattext.h
index 8b0c667eb12ee750fdb9b8cab0f87cd311e01843..fa0ea259c91ae8d63d8e7539197fe31fbd5e2327 100644 (file)
--- a/include/wx/stattext.h
+++ b/include/wx/stattext.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        stattext.h
+// Name:        wx/stattext.h
 // Purpose:     wxStaticText base header
 // Author:      Julian Smart
 // Modified by:
@@ -18,46 +18,94 @@
 
 #include "wx/control.h"
 
-extern WXDLLEXPORT_DATA(const wxChar*) wxStaticTextNameStr;
+/*
+ * wxStaticText flags
+ */
+#define wxST_NO_AUTORESIZE         0x0001
+// free 0x0002 bit
+#define wxST_ELLIPSIZE_START       0x0004
+#define wxST_ELLIPSIZE_MIDDLE      0x0008
+#define wxST_ELLIPSIZE_END         0x0010
 
-class WXDLLEXPORT wxStaticTextBase : public wxControl
+extern WXDLLIMPEXP_DATA_CORE(const char) wxStaticTextNameStr[];
+
+class WXDLLIMPEXP_CORE wxStaticTextBase : public wxControl
 {
 public:
     wxStaticTextBase() { }
 
     // wrap the text of the control so that no line is longer than the given
     // width (if possible: this function won't break words)
-    //
-    // NB: implemented in dlgcmn.cpp for now
+    // This function will modify the value returned by GetLabel()!
     void Wrap(int width);
 
-    // overriden base virtuals
+    // overridden base virtuals
     virtual bool AcceptsFocus() const { return false; }
     virtual bool HasTransparentBackground() { return true; }
 
+    bool IsEllipsized() const
+    {
+        return HasFlag(wxST_ELLIPSIZE_START) ||
+               HasFlag(wxST_ELLIPSIZE_MIDDLE) ||
+               HasFlag(wxST_ELLIPSIZE_END);
+    }
+
+protected:      // functions required for wxST_ELLIPSIZE_* support
+
+    // choose the default border for this window
+    virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
+
+    // Calls Ellipsize() on the real label if necessary. Unlike GetLabelText(),
+    // keeps the mnemonics instead of removing them.
+    virtual wxString GetEllipsizedLabel() const;
+
+    // Replaces parts of the string with ellipsis according to the ellipsize
+    // style. Shouldn't be called if we don't have any.
+    wxString Ellipsize(const wxString& label) const;
+
+    // to be called when updating the size of the static text:
+    // updates the label redoing ellipsization calculations
+    void UpdateLabel();
+
+    // These functions are platform-specific and must be overridden in ports
+    // which do not natively support ellipsization and they must be implemented
+    // in a way so that the m_labelOrig member of wxControl is not touched:
+
+    // returns the real label currently displayed inside the control.
+    virtual wxString DoGetLabel() const { return wxEmptyString; }
+
+    // sets the real label currently displayed inside the control,
+    // _without_ invalidating the size. The text passed is always markup-free
+    // but may contain the mnemonic characters.
+    virtual void DoSetLabel(const wxString& WXUNUSED(str)) { }
+
 private:
-    DECLARE_NO_COPY_CLASS(wxStaticTextBase)
+    wxDECLARE_NO_COPY_CLASS(wxStaticTextBase);
 };
 
+// see wx/generic/stattextg.h for the explanation
+#ifndef wxNO_PORT_STATTEXT_INCLUDE
+
 #if defined(__WXUNIVERSAL__)
     #include "wx/univ/stattext.h"
 #elif defined(__WXMSW__)
     #include "wx/msw/stattext.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/stattext.h"
-#elif defined(__WXGTK__)
+#elif defined(__WXGTK20__)
     #include "wx/gtk/stattext.h"
+#elif defined(__WXGTK__)
+    #include "wx/gtk1/stattext.h"
 #elif defined(__WXMAC__)
-    #include "wx/mac/stattext.h"
+    #include "wx/osx/stattext.h"
 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/stattext.h"
 #elif defined(__WXPM__)
     #include "wx/os2/stattext.h"
-#elif defined(__WXPALMOS__)
-    #include "wx/palmos/stattext.h"
 #endif
 
+#endif // !wxNO_PORT_STATTEXT_INCLUDE
+
 #endif // wxUSE_STATTEXT
 
-#endif
-    // _WX_STATTEXT_H_BASE_
+#endif // _WX_STATTEXT_H_BASE_