| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/gtk/textctrl.h |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Created: 01/02/97 |
| 6 | // Id: $Id$ |
| 7 | // Copyright: (c) 1998 Robert Roebling |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | #ifndef __GTKTEXTCTRLH__ |
| 12 | #define __GTKTEXTCTRLH__ |
| 13 | |
| 14 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 15 | #pragma interface "textctrl.h" |
| 16 | #endif |
| 17 | |
| 18 | //----------------------------------------------------------------------------- |
| 19 | // wxTextCtrl |
| 20 | //----------------------------------------------------------------------------- |
| 21 | |
| 22 | class wxTextCtrl: public wxTextCtrlBase |
| 23 | { |
| 24 | public: |
| 25 | wxTextCtrl() { Init(); } |
| 26 | wxTextCtrl(wxWindow *parent, |
| 27 | wxWindowID id, |
| 28 | const wxString &value = wxEmptyString, |
| 29 | const wxPoint &pos = wxDefaultPosition, |
| 30 | const wxSize &size = wxDefaultSize, |
| 31 | long style = 0, |
| 32 | const wxValidator& validator = wxDefaultValidator, |
| 33 | const wxString &name = wxTextCtrlNameStr); |
| 34 | |
| 35 | bool Create(wxWindow *parent, |
| 36 | wxWindowID id, |
| 37 | const wxString &value = wxEmptyString, |
| 38 | const wxPoint &pos = wxDefaultPosition, |
| 39 | const wxSize &size = wxDefaultSize, |
| 40 | long style = 0, |
| 41 | const wxValidator& validator = wxDefaultValidator, |
| 42 | const wxString &name = wxTextCtrlNameStr); |
| 43 | |
| 44 | // implement base class pure virtuals |
| 45 | // ---------------------------------- |
| 46 | |
| 47 | virtual wxString GetValue() const; |
| 48 | virtual void SetValue(const wxString& value); |
| 49 | |
| 50 | virtual int GetLineLength(long lineNo) const; |
| 51 | virtual wxString GetLineText(long lineNo) const; |
| 52 | virtual int GetNumberOfLines() const; |
| 53 | |
| 54 | virtual bool IsModified() const; |
| 55 | virtual bool IsEditable() const; |
| 56 | |
| 57 | // If the return values from and to are the same, there is no selection. |
| 58 | virtual void GetSelection(long* from, long* to) const; |
| 59 | |
| 60 | // operations |
| 61 | // ---------- |
| 62 | |
| 63 | // editing |
| 64 | virtual void Clear(); |
| 65 | virtual void Replace(long from, long to, const wxString& value); |
| 66 | virtual void Remove(long from, long to); |
| 67 | |
| 68 | // sets/clears the dirty flag |
| 69 | virtual void MarkDirty(); |
| 70 | virtual void DiscardEdits(); |
| 71 | |
| 72 | virtual void SetMaxLength(unsigned long len); |
| 73 | |
| 74 | // writing text inserts it at the current position, appending always |
| 75 | // inserts it at the end |
| 76 | virtual void WriteText(const wxString& text); |
| 77 | virtual void AppendText(const wxString& text); |
| 78 | |
| 79 | // apply text attribute to the range of text (only works with richedit |
| 80 | // controls) |
| 81 | virtual bool SetStyle(long start, long end, const wxTextAttr& style); |
| 82 | |
| 83 | // translate between the position (which is just an index in the text ctrl |
| 84 | // considering all its contents as a single strings) and (x, y) coordinates |
| 85 | // which represent column and line. |
| 86 | virtual long XYToPosition(long x, long y) const; |
| 87 | virtual bool PositionToXY(long pos, long *x, long *y) const; |
| 88 | |
| 89 | virtual void ShowPosition(long pos); |
| 90 | |
| 91 | #ifdef __WXGTK20__ |
| 92 | virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const; |
| 93 | virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, |
| 94 | wxTextCoord *col, |
| 95 | wxTextCoord *row) const |
| 96 | { |
| 97 | return wxTextCtrlBase::HitTest(pt, col, row); |
| 98 | } |
| 99 | #endif // __WXGTK20__ |
| 100 | |
| 101 | // Clipboard operations |
| 102 | virtual void Copy(); |
| 103 | virtual void Cut(); |
| 104 | virtual void Paste(); |
| 105 | |
| 106 | // Undo/redo |
| 107 | virtual void Undo(); |
| 108 | virtual void Redo(); |
| 109 | |
| 110 | virtual bool CanUndo() const; |
| 111 | virtual bool CanRedo() const; |
| 112 | |
| 113 | // Insertion point |
| 114 | virtual void SetInsertionPoint(long pos); |
| 115 | virtual void SetInsertionPointEnd(); |
| 116 | virtual long GetInsertionPoint() const; |
| 117 | virtual long GetLastPosition() const; |
| 118 | |
| 119 | virtual void SetSelection(long from, long to); |
| 120 | virtual void SetEditable(bool editable); |
| 121 | |
| 122 | virtual bool Enable( bool enable = TRUE ); |
| 123 | |
| 124 | // Implementation from now on |
| 125 | void OnDropFiles( wxDropFilesEvent &event ); |
| 126 | void OnChar( wxKeyEvent &event ); |
| 127 | |
| 128 | void OnCut(wxCommandEvent& event); |
| 129 | void OnCopy(wxCommandEvent& event); |
| 130 | void OnPaste(wxCommandEvent& event); |
| 131 | void OnUndo(wxCommandEvent& event); |
| 132 | void OnRedo(wxCommandEvent& event); |
| 133 | |
| 134 | void OnUpdateCut(wxUpdateUIEvent& event); |
| 135 | void OnUpdateCopy(wxUpdateUIEvent& event); |
| 136 | void OnUpdatePaste(wxUpdateUIEvent& event); |
| 137 | void OnUpdateUndo(wxUpdateUIEvent& event); |
| 138 | void OnUpdateRedo(wxUpdateUIEvent& event); |
| 139 | |
| 140 | bool SetFont(const wxFont& font); |
| 141 | bool SetForegroundColour(const wxColour& colour); |
| 142 | bool SetBackgroundColour(const wxColour& colour); |
| 143 | |
| 144 | GtkWidget* GetConnectWidget(); |
| 145 | bool IsOwnGtkWindow( GdkWindow *window ); |
| 146 | void DoApplyWidgetStyle(GtkRcStyle *style); |
| 147 | void CalculateScrollbar(); |
| 148 | void OnInternalIdle(); |
| 149 | |
| 150 | #ifdef __WXGTK20__ |
| 151 | void SetUpdateFont(bool WXUNUSED(update)) { } |
| 152 | #else // !__WXGTK20__ |
| 153 | void SetUpdateFont(bool update) { m_updateFont = update; } |
| 154 | void UpdateFontIfNeeded(); |
| 155 | #endif // __WXGTK20__/!__WXGTK20__ |
| 156 | |
| 157 | void SetModified() { m_modified = TRUE; } |
| 158 | |
| 159 | // GTK+ textctrl is so dumb that you need to freeze/thaw it manually to |
| 160 | // avoid horrible flicker/scrolling back and forth |
| 161 | virtual void Freeze(); |
| 162 | virtual void Thaw(); |
| 163 | |
| 164 | // textctrl specific scrolling |
| 165 | virtual bool ScrollLines(int lines); |
| 166 | virtual bool ScrollPages(int pages); |
| 167 | |
| 168 | // implementation only from now on |
| 169 | |
| 170 | // wxGTK-specific: called recursively by Enable, |
| 171 | // to give widgets an oppprtunity to correct their colours after they |
| 172 | // have been changed by Enable |
| 173 | virtual void OnParentEnable( bool enable ) ; |
| 174 | |
| 175 | // tell the control to ignore next text changed signal |
| 176 | void IgnoreNextTextUpdate(); |
| 177 | |
| 178 | // should we ignore the changed signal? always resets the flag |
| 179 | bool IgnoreTextUpdate(); |
| 180 | |
| 181 | static wxVisualAttributes |
| 182 | GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL); |
| 183 | |
| 184 | protected: |
| 185 | virtual wxSize DoGetBestSize() const; |
| 186 | |
| 187 | // common part of all ctors |
| 188 | void Init(); |
| 189 | |
| 190 | // get the vertical adjustment, if any, NULL otherwise |
| 191 | GtkAdjustment *GetVAdj() const; |
| 192 | |
| 193 | // scroll the control by the given number of pixels, return true if the |
| 194 | // scroll position changed |
| 195 | bool DoScroll(GtkAdjustment *adj, int diff); |
| 196 | |
| 197 | // Widgets that use the style->base colour for the BG colour should |
| 198 | // override this and return true. |
| 199 | virtual bool UseGTKStyleBase() const { return true; } |
| 200 | |
| 201 | private: |
| 202 | // change the font for everything in this control |
| 203 | void ChangeFontGlobally(); |
| 204 | |
| 205 | GtkWidget *m_text; |
| 206 | GtkWidget *m_vScrollbar; |
| 207 | |
| 208 | bool m_modified:1; |
| 209 | bool m_vScrollbarVisible:1; |
| 210 | #ifndef __WXGTK20__ |
| 211 | bool m_updateFont:1; |
| 212 | #endif // !__WXGTK20__ |
| 213 | bool m_ignoreNextUpdate:1; |
| 214 | |
| 215 | DECLARE_EVENT_TABLE() |
| 216 | DECLARE_DYNAMIC_CLASS(wxTextCtrl); |
| 217 | }; |
| 218 | |
| 219 | #endif // __GTKTEXTCTRLH__ |
| 220 | |