50679f941e
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42014 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
230 lines
7.4 KiB
C++
230 lines
7.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/gtk/textctrl.h
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// Purpose:
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// Author: Robert Roebling
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// Created: 01/02/97
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __GTKTEXTCTRLH__
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#define __GTKTEXTCTRLH__
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//-----------------------------------------------------------------------------
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// wxTextCtrl
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxTextCtrl: public wxTextCtrlBase
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{
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public:
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wxTextCtrl() { Init(); }
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wxTextCtrl(wxWindow *parent,
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wxWindowID id,
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const wxString &value = wxEmptyString,
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const wxPoint &pos = wxDefaultPosition,
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const wxSize &size = wxDefaultSize,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString &name = wxTextCtrlNameStr);
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virtual ~wxTextCtrl();
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxString &value = wxEmptyString,
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const wxPoint &pos = wxDefaultPosition,
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const wxSize &size = wxDefaultSize,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString &name = wxTextCtrlNameStr);
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// implement base class pure virtuals
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// ----------------------------------
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virtual wxString GetValue() const;
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virtual bool IsEmpty() const;
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virtual int GetLineLength(long lineNo) const;
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virtual wxString GetLineText(long lineNo) const;
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virtual int GetNumberOfLines() const;
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virtual bool IsModified() const;
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virtual bool IsEditable() const;
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// If the return values from and to are the same, there is no selection.
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virtual void GetSelection(long* from, long* to) const;
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// operations
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// ----------
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// editing
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virtual void Clear();
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virtual void Replace(long from, long to, const wxString& value);
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virtual void Remove(long from, long to);
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// sets/clears the dirty flag
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virtual void MarkDirty();
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virtual void DiscardEdits();
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virtual void SetMaxLength(unsigned long len);
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// writing text inserts it at the current position, appending always
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// inserts it at the end
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virtual void WriteText(const wxString& text);
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virtual void AppendText(const wxString& text);
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// apply text attribute to the range of text (only works with richedit
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// controls)
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virtual bool SetStyle(long start, long end, const wxTextAttr& style);
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// translate between the position (which is just an index in the text ctrl
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// considering all its contents as a single strings) and (x, y) coordinates
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// which represent column and line.
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virtual long XYToPosition(long x, long y) const;
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virtual bool PositionToXY(long pos, long *x, long *y) const;
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virtual void ShowPosition(long pos);
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virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
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virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
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wxTextCoord *col,
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wxTextCoord *row) const
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{
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return wxTextCtrlBase::HitTest(pt, col, row);
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}
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// Clipboard operations
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virtual void Copy();
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virtual void Cut();
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virtual void Paste();
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// Undo/redo
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virtual void Undo();
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virtual void Redo();
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virtual bool CanUndo() const;
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virtual bool CanRedo() const;
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// Insertion point
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virtual void SetInsertionPoint(long pos);
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virtual void SetInsertionPointEnd();
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virtual long GetInsertionPoint() const;
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virtual wxTextPos GetLastPosition() const;
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virtual void SetSelection(long from, long to);
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virtual void SetEditable(bool editable);
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virtual bool Enable( bool enable = true );
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// Implementation from now on
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void OnDropFiles( wxDropFilesEvent &event );
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void OnChar( wxKeyEvent &event );
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void OnCut(wxCommandEvent& event);
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void OnCopy(wxCommandEvent& event);
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void OnPaste(wxCommandEvent& event);
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void OnUndo(wxCommandEvent& event);
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void OnRedo(wxCommandEvent& event);
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void OnUpdateCut(wxUpdateUIEvent& event);
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void OnUpdateCopy(wxUpdateUIEvent& event);
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void OnUpdatePaste(wxUpdateUIEvent& event);
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void OnUpdateUndo(wxUpdateUIEvent& event);
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void OnUpdateRedo(wxUpdateUIEvent& event);
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bool SetFont(const wxFont& font);
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bool SetForegroundColour(const wxColour& colour);
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bool SetBackgroundColour(const wxColour& colour);
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GtkWidget* GetConnectWidget();
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void CalculateScrollbar();
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void SetUpdateFont(bool WXUNUSED(update)) { }
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// GTK+ textctrl is so dumb that you need to freeze/thaw it manually to
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// avoid horrible flicker/scrolling back and forth
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virtual void Freeze();
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virtual void Thaw();
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// implementation only from now on
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// wxGTK-specific: called recursively by Enable,
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// to give widgets an oppprtunity to correct their colours after they
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// have been changed by Enable
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virtual void OnParentEnable( bool enable ) ;
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// tell the control to ignore next text changed signal
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void IgnoreNextTextUpdate(int n = 1) { m_countUpdatesToIgnore = n; }
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// should we ignore the changed signal? always resets the flag
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bool IgnoreTextUpdate();
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// call this to indicate that the control is about to be changed
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// programmatically and so m_modified flag shouldn't be set
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void DontMarkDirtyOnNextChange() { m_dontMarkDirty = true; }
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// should we mark the control as dirty? always resets the flag
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bool MarkDirtyOnChange();
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// always let GTK have mouse release events for multiline controls
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virtual bool GTKProcessEvent(wxEvent& event) const;
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static wxVisualAttributes
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GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
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// has the control been frozen by Freeze()?
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bool IsFrozen() const { return m_frozenness > 0; }
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protected:
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virtual wxSize DoGetBestSize() const;
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virtual void DoApplyWidgetStyle(GtkRcStyle *style);
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virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
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// common part of all ctors
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void Init();
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// Widgets that use the style->base colour for the BG colour should
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// override this and return true.
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virtual bool UseGTKStyleBase() const { return true; }
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virtual void DoSetValue(const wxString &value, int flags = 0);
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private:
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// change the font for everything in this control
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void ChangeFontGlobally();
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// get the encoding which is used in this control: this looks at our font
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// and default style but not the current style (i.e. the style for the
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// current position); returns wxFONTENCODING_SYSTEM if we have no specific
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// encoding
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wxFontEncoding GetTextEncoding() const;
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GtkWidget *m_text;
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bool m_modified:1;
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bool m_dontMarkDirty:1;
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int m_countUpdatesToIgnore;
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// Our text buffer. Convenient, and holds the buffer while using
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// a dummy one when m_frozenness > 0
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GtkTextBuffer *m_buffer;
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// number of calls to Freeze() minus number of calls to Thaw()
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unsigned int m_frozenness;
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// For wxTE_AUTO_URL
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void OnUrlMouseEvent(wxMouseEvent&);
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GdkCursor *m_gdkHandCursor;
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GdkCursor *m_gdkXTermCursor;
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DECLARE_EVENT_TABLE()
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DECLARE_DYNAMIC_CLASS(wxTextCtrl)
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};
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#endif // __GTKTEXTCTRLH__
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