fix memory leak; allocate the DC before SetFont() is called on the status bar

[wxWidgets.git] / include / wx / msw / textctrl.h

diff --git a/include/wx/msw/textctrl.h b/include/wx/msw/textctrl.h
index 58d298125d37cbed250c12a37e1fb2fe8090d4da..1da13fffd280cedf9560ef8376881f488955edf3 100644 (file)
--- a/include/wx/msw/textctrl.h
+++ b/include/wx/msw/textctrl.h
@@ -12,11 +12,7 @@
 #ifndef _WX_TEXTCTRL_H_
 #define _WX_TEXTCTRL_H_
 
 #ifndef _WX_TEXTCTRL_H_
 #define _WX_TEXTCTRL_H_
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "textctrl.h"
-#endif
-
-class WXDLLEXPORT wxTextCtrl : public wxTextCtrlBase
+class WXDLLIMPEXP_CORE wxTextCtrl : public wxTextCtrlBase

 {
 public:
     // creation
 {
 public:
     // creation


@@ -35,7 +31,7 @@ public:
 
         Create(parent, id, value, pos, size, style, validator, name);
     }
 
         Create(parent, id, value, pos, size, style, validator, name);
     }

-    ~wxTextCtrl();
+    virtual ~wxTextCtrl();

 
     bool Create(wxWindow *parent, wxWindowID id,
                 const wxString& value = wxEmptyString,
 
     bool Create(wxWindow *parent, wxWindowID id,
                 const wxString& value = wxEmptyString,


@@ -45,45 +41,40 @@ public:
                 const wxValidator& validator = wxDefaultValidator,
                 const wxString& name = wxTextCtrlNameStr);
 
                 const wxValidator& validator = wxDefaultValidator,
                 const wxString& name = wxTextCtrlNameStr);
 

-    // implement base class pure virtuals
-    // ----------------------------------
+    // overridden wxTextEntry methods
+    // ------------------------------

 
     virtual wxString GetValue() const;
 
     virtual wxString GetValue() const;

-    virtual void SetValue(const wxString& value);
-

     virtual wxString GetRange(long from, long to) const;
 
     virtual wxString GetRange(long from, long to) const;
 

+    virtual bool IsEmpty() const;
+
+    virtual void WriteText(const wxString& text);
+    virtual void AppendText(const wxString& text);
+    virtual void Clear();
+

     virtual int GetLineLength(long lineNo) const;
     virtual wxString GetLineText(long lineNo) const;
     virtual int GetNumberOfLines() const;
 
     virtual int GetLineLength(long lineNo) const;
     virtual wxString GetLineText(long lineNo) const;
     virtual int GetNumberOfLines() const;
 

-    virtual bool IsModified() const;
-    virtual bool IsEditable() const;
+    virtual void SetMaxLength(unsigned long len);

 
 

-    virtual void GetSelection(long* from, long* to) const;
+    virtual void GetSelection(long *from, long *to) const;

 
 

-    // operations
-    // ----------
+    virtual void Redo();
+    virtual bool CanRedo() const;

 
 

-    // editing
-    virtual void Clear();
-    virtual void Replace(long from, long to, const wxString& value);
-    virtual void Remove(long from, long to);
+    virtual void SetInsertionPointEnd();
+    virtual long GetInsertionPoint() const;
+    virtual wxTextPos GetLastPosition() const;

 
 

-    // load the controls contents from the file
-    virtual bool LoadFile(const wxString& file);
+    // implement base class pure virtuals
+    // ----------------------------------

 
 

-    // clears the dirty flag
+    virtual bool IsModified() const;

     virtual void MarkDirty();
     virtual void DiscardEdits();
 
     virtual void MarkDirty();
     virtual void DiscardEdits();
 

-    virtual void SetMaxLength(unsigned long len);
-
-    // writing text inserts it at the current position, appending always
-    // inserts it at the end
-    virtual void WriteText(const wxString& text);
-    virtual void AppendText(const wxString& text);
-

 #ifdef __WIN32__
     virtual bool EmulateKeyPress(const wxKeyEvent& event);
 #endif // __WIN32__
 #ifdef __WIN32__
     virtual bool EmulateKeyPress(const wxKeyEvent& event);
 #endif // __WIN32__


@@ -104,46 +95,29 @@ public:
 
     virtual void ShowPosition(long pos);
     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
 
     virtual void ShowPosition(long pos);
     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;

-
-    // Clipboard operations
-    virtual void Copy();
-    virtual void Cut();
-    virtual void Paste();
-
-    virtual bool CanCopy() const;
-    virtual bool CanCut() const;
-    virtual bool CanPaste() const;
-
-    // Undo/redo
-    virtual void Undo();
-    virtual void Redo();
-
-    virtual bool CanUndo() const;
-    virtual bool CanRedo() const;
-
-    // Insertion point
-    virtual void SetInsertionPoint(long pos);
-    virtual void SetInsertionPointEnd();
-    virtual long GetInsertionPoint() const;
-    virtual long GetLastPosition() const;
-
-    virtual void SetSelection(long from, long to);
-    virtual void SetEditable(bool editable);
+    virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
+                                            wxTextCoord *col,
+                                            wxTextCoord *row) const
+    {
+        return wxTextCtrlBase::HitTest(pt, col, row);
+    }

 
     // Caret handling (Windows only)
 
     // Caret handling (Windows only)

-

     bool ShowNativeCaret(bool show = true);
     bool HideNativeCaret() { return ShowNativeCaret(false); }
 
     // Implementation from now on
     // --------------------------
     bool ShowNativeCaret(bool show = true);
     bool HideNativeCaret() { return ShowNativeCaret(false); }
 
     // Implementation from now on
     // --------------------------

+ 
+#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+    virtual void SetDropTarget(wxDropTarget *dropTarget);
+#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT

 
     virtual void SetWindowStyleFlag(long style);
 
     virtual void Command(wxCommandEvent& event);
     virtual bool MSWCommand(WXUINT param, WXWORD id);
 
     virtual void SetWindowStyleFlag(long style);
 
     virtual void Command(wxCommandEvent& event);
     virtual bool MSWCommand(WXUINT param, WXWORD id);

-    virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
-            WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
+    virtual WXHBRUSH MSWControlColor(WXHDC hDC, WXHWND hWnd);

 
 #if wxUSE_RICHEDIT
     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 
 #if wxUSE_RICHEDIT
     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);


@@ -155,11 +129,22 @@ public:
     // the colours for them otherwise
     virtual bool SetBackgroundColour(const wxColour& colour);
     virtual bool SetForegroundColour(const wxColour& colour);
     // the colours for them otherwise
     virtual bool SetBackgroundColour(const wxColour& colour);
     virtual bool SetForegroundColour(const wxColour& colour);

+#else
+    bool IsRich() const { return false; }

 #endif // wxUSE_RICHEDIT
 
 #endif // wxUSE_RICHEDIT
 

+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+    bool IsInkEdit() const { return m_isInkEdit != 0; }
+#else
+    bool IsInkEdit() const { return false; }
+#endif
+

     virtual void AdoptAttributesFromHWND();
 
     virtual void AdoptAttributesFromHWND();
 

-    virtual bool AcceptsFocus() const;
+    virtual bool AcceptsFocusFromKeyboard() const;
+
+    // returns true if the platform should explicitly apply a theme border
+    virtual bool CanApplyThemeBorder() const;

 
     // callbacks
     void OnDropFiles(wxDropFilesEvent& event);
 
     // callbacks
     void OnDropFiles(wxDropFilesEvent& event);


@@ -183,18 +168,39 @@ public:
 
     // Show a context menu for Rich Edit controls (the standard
     // EDIT control has one already)
 
     // Show a context menu for Rich Edit controls (the standard
     // EDIT control has one already)

-    void OnRightClick(wxMouseEvent& event);
+    void OnContextMenu(wxContextMenuEvent& event);

 
     // be sure the caret remains invisible if the user
     // called HideNativeCaret() before
     void OnSetFocus(wxFocusEvent& event);
 
 
     // be sure the caret remains invisible if the user
     // called HideNativeCaret() before
     void OnSetFocus(wxFocusEvent& event);
 

+    // intercept WM_GETDLGCODE
+    virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+
+    virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);
+    virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
+    virtual wxVisualAttributes GetDefaultAttributes() const;
+

 protected:
     // common part of all ctors
     void Init();
 
 protected:
     // common part of all ctors
     void Init();
 

-    // intercept WM_GETDLGCODE
-    virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+    virtual bool DoLoadFile(const wxString& file, int fileType);
+
+    // creates the control of appropriate class (plain or rich edit) with the
+    // styles corresponding to m_windowStyle
+    //
+    // this is used by ctor/Create() and when we need to recreate the control
+    // later
+    bool MSWCreateText(const wxString& value,
+                       const wxPoint& pos,
+                       const wxSize& size);
+
+    virtual void DoSetValue(const wxString &value, int flags = 0);
+
+    // return true if this control has a user-set limit on amount of text (i.e.
+    // the limit is due to a previous call to SetMaxLength() and not built in)
+    bool HasSpaceLimit(unsigned int *len) const;

 
     // call this to increase the size limit (will do nothing if the current
     // limit is big enough)
 
     // call this to increase the size limit (will do nothing if the current
     // limit is big enough)


@@ -214,27 +220,21 @@ protected:
 
     // replace the contents of the selection or of the entire control with the
     // given text
 
     // replace the contents of the selection or of the entire control with the
     // given text

-    void DoWriteText(const wxString& text, bool selectionOnly = TRUE);
-
-    // set the selection possibly without scrolling the caret into view
-    void DoSetSelection(long from, long to, bool scrollCaret = TRUE);
+    void DoWriteText(const wxString& text,
+                     int flags = SetValue_SendEvent | SetValue_SelectionOnly);

 
 

-    // return true if there is a non empty selection in the control
-    bool HasSelection() const;
+    // set the selection (possibly without scrolling the caret into view)
+    void DoSetSelection(long from, long to, int flags);

 
     // get the length of the line containing the character at the given
     // position
     long GetLengthOfLineContainingPos(long pos) const;
 
 
     // get the length of the line containing the character at the given
     // position
     long GetLengthOfLineContainingPos(long pos) const;
 

-    // send TEXT_UPDATED event, return TRUE if it was handled, FALSE otherwise
+    // send TEXT_UPDATED event, return true if it was handled, false otherwise

     bool SendUpdateEvent();
 
     bool SendUpdateEvent();
 

-    // override some base class virtuals
-    virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);

     virtual wxSize DoGetBestSize() const;
 
     virtual wxSize DoGetBestSize() const;
 

-    virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
-

 #if wxUSE_RICHEDIT
     // we're using RICHEDIT (and not simple EDIT) control if this field is not
     // 0, it also gives the version of the RICHEDIT control being used (1, 2 or
 #if wxUSE_RICHEDIT
     // we're using RICHEDIT (and not simple EDIT) control if this field is not
     // 0, it also gives the version of the RICHEDIT control being used (1, 2 or


@@ -242,18 +242,33 @@ protected:
     int m_verRichEdit;
 #endif // wxUSE_RICHEDIT
 
     int m_verRichEdit;
 #endif // wxUSE_RICHEDIT
 

-    // if TRUE, SendUpdateEvent() will eat the next event (see comments in the
-    // code as to why this is needed)
-    bool m_suppressNextUpdate;
+    // number of EN_UPDATE events sent by Windows when we change the controls
+    // text ourselves: we want this to be exactly 1
+    int m_updatesCount;

 
 private:
 
 private:

+    virtual void EnableTextChangedEvents(bool enable)
+    {
+        m_updatesCount = enable ? -1 : -2;
+    }
+
+    // implement wxTextEntry pure virtual: it implements all the operations for
+    // the simple EDIT controls
+    virtual WXHWND GetEditHWND() const { return m_hWnd; }
+
+    void OnKeyDown(wxKeyEvent& event);
+

     DECLARE_EVENT_TABLE()
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxTextCtrl)
 
     wxMenu* m_privateContextMenu;
 
     bool m_isNativeCaretShown;
     DECLARE_EVENT_TABLE()
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxTextCtrl)
 
     wxMenu* m_privateContextMenu;
 
     bool m_isNativeCaretShown;

-};

 
 

+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+    int  m_isInkEdit;

 #endif
 #endif

-    // _WX_TEXTCTRL_H_
+
+};
+
+#endif // _WX_TEXTCTRL_H_