+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#ifdef __GNUG__
+ #pragma interface "textctrlbase.h"
+#endif
+
+#include "wx/defs.h"
+
+#if wxUSE_TEXTCTRL
+
+#include "wx/control.h" // the base class
+
+// 16-bit Borland 4.0 doesn't seem to allow multiple inheritance with wxWindow
+// and streambuf: it complains about deriving a huge class from the huge class
+// streambuf. !! Also, can't use streambuf if making or using a DLL :-(
+
+#if (defined(__BORLANDC__)) || defined(__MWERKS__) || defined(_WINDLL) || defined(WXUSINGDLL) || defined(WXMAKINGDLL)
+ #define NO_TEXT_WINDOW_STREAM
+#endif
+
+// the streambuf which is used in the declaration of wxTextCtrlBase below is not compatible
+// with the standard-conforming implementation found in newer egcs versions
+// (that is, the libstdc++ v3 that is shipped with it)
+#if defined(__GNUC__)&&( (__GNUC__>2) ||( (__GNUC__==2)&&(__GNUC_MINOR__>97) ) )
+ #define NO_TEXT_WINDOW_STREAM
+#endif
+
+#ifndef NO_TEXT_WINDOW_STREAM
+ #if wxUSE_STD_IOSTREAM
+ #include "wx/ioswrap.h" // for iostream classes if we need them
+ #else // !wxUSE_STD_IOSTREAM
+ // can't compile this feature in if we don't use streams at all
+ #define NO_TEXT_WINDOW_STREAM
+ #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
+#endif
+
+class WXDLLEXPORT wxTextCtrl;
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+WXDLLEXPORT_DATA(extern const wxChar*) wxTextCtrlNameStr;
+WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
+
+// ----------------------------------------------------------------------------
+// wxTextAttr: a structure containing the visual attributes of a text
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxTextAttr
+{
+public:
+ // ctors
+ wxTextAttr() { }
+ wxTextAttr(const wxColour& colText,
+ const wxColour& colBack = wxNullColour,
+ const wxFont& font = wxNullFont)
+ : m_colText(colText), m_colBack(colBack), m_font(font) { }
+
+ // setters
+ void SetTextColour(const wxColour& colText) { m_colText = colText; }
+ void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
+ void SetFont(const wxFont& font) { m_font = font; }
+
+ // accessors
+ bool HasTextColour() const { return m_colText.Ok(); }
+ bool HasBackgroundColour() const { return m_colBack.Ok(); }
+ bool HasFont() const { return m_font.Ok(); }
+
+ // setters
+ const wxColour& GetTextColour() const { return m_colText; }
+ const wxColour& GetBackgroundColour() const { return m_colBack; }
+ const wxFont& GetFont() const { return m_font; }
+
+ // returns false if we have any attributes set, true otherwise
+ bool IsDefault() const
+ {
+ return !HasTextColour() && !HasBackgroundColour() && !HasFont();
+ }
+
+private:
+ wxColour m_colText,
+ m_colBack;
+ wxFont m_font;
+};
+
+// ----------------------------------------------------------------------------
+// wxTextCtrl: a single or multiple line text zone where user can enter and
+// edit text
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxTextCtrlBase : public wxControl
+#ifndef NO_TEXT_WINDOW_STREAM
+ , public streambuf
+#endif
+
+{
+public:
+ // creation
+ // --------
+
+ wxTextCtrlBase();
+ ~wxTextCtrlBase();
+
+ // accessors
+ // ---------
+
+ virtual wxString GetValue() const = 0;
+ virtual void SetValue(const wxString& value) = 0;
+
+ virtual int GetLineLength(long lineNo) const = 0;
+ virtual wxString GetLineText(long lineNo) const = 0;
+ virtual int GetNumberOfLines() const = 0;
+
+ virtual bool IsModified() const = 0;
+ virtual bool IsEditable() const = 0;
+
+ // If the return values from and to are the same, there is no selection.
+ virtual void GetSelection(long* from, long* to) const = 0;
+
+ // operations
+ // ----------
+
+ // editing
+ virtual void Clear() = 0;
+ virtual void Replace(long from, long to, const wxString& value) = 0;
+ virtual void Remove(long from, long to) = 0;
+
+ // load/save the controls contents from/to the file
+ virtual bool LoadFile(const wxString& file);
+ virtual bool SaveFile(const wxString& file = wxEmptyString);
+
+ // clears the dirty flag
+ virtual void DiscardEdits() = 0;
+
+ // writing text inserts it at the current position, appending always
+ // inserts it at the end
+ virtual void WriteText(const wxString& text) = 0;
+ virtual void AppendText(const wxString& text) = 0;
+
+ // text control under some platforms supports the text styles: these
+ // methods allow to apply the given text style to the given selection or to
+ // set/get the style which will be used for all appended text
+ virtual bool SetStyle(long start, long end, const wxTextAttr& style);
+ virtual bool SetDefaultStyle(const wxTextAttr& style);
+ virtual const wxTextAttr& GetDefaultStyle() const;
+
+ // translate between the position (which is just an index in the text ctrl
+ // considering all its contents as a single strings) and (x, y) coordinates
+ // which represent column and line.
+ virtual long XYToPosition(long x, long y) const = 0;
+ virtual bool PositionToXY(long pos, long *x, long *y) const = 0;
+
+ virtual void ShowPosition(long pos) = 0;
+
+ // Clipboard operations
+ virtual void Copy() = 0;
+ virtual void Cut() = 0;
+ virtual void Paste() = 0;
+
+ virtual bool CanCopy() const;
+ virtual bool CanCut() const;
+ virtual bool CanPaste() const;
+
+ // Undo/redo
+ virtual void Undo() = 0;
+ virtual void Redo() = 0;
+
+ virtual bool CanUndo() const = 0;
+ virtual bool CanRedo() const = 0;
+
+ // Insertion point
+ virtual void SetInsertionPoint(long pos) = 0;
+ virtual void SetInsertionPointEnd() = 0;
+ virtual long GetInsertionPoint() const = 0;
+ virtual long GetLastPosition() const = 0;
+
+ virtual void SetSelection(long from, long to) = 0;
+ virtual void SelectAll();
+ virtual void SetEditable(bool editable) = 0;
+
+ // streambuf methods
+#ifndef NO_TEXT_WINDOW_STREAM
+ int overflow(int i);
+ int sync();
+ int underflow();
+#endif // NO_TEXT_WINDOW_STREAM
+
+ // stream-like insertion operators: these are always available, whether we
+ // were, or not, compiled with streambuf support
+ wxTextCtrl& operator<<(const wxString& s);
+ wxTextCtrl& operator<<(int i);
+ wxTextCtrl& operator<<(long i);
+ wxTextCtrl& operator<<(float f);
+ wxTextCtrl& operator<<(double d);
+ wxTextCtrl& operator<<(const wxChar c);
+
+ // obsolete functions
+#if WXWIN_COMPATIBILITY
+ bool Modified() const { return IsModified(); }
+#endif
+
+protected:
+ // the name of the last file loaded with LoadFile() which will be used by
+ // SaveFile() by default
+ wxString m_filename;
+
+ // the text style which will be used for any new text added to the control
+ wxTextAttr m_defaultStyle;
+
+private:
+#ifndef NO_TEXT_WINDOW_STREAM
+#if !wxUSE_IOSTREAMH
+ char *m_streambuf;
+#endif
+#endif
+};
+
+// ----------------------------------------------------------------------------
+// include the platform-dependent class definition
+// ----------------------------------------------------------------------------
+
+#if defined(__WXUNIVERSAL__)
+ #include "wx/univ/textctrl.h"
+#elif defined(__WXMSW__)
+ #include "wx/msw/textctrl.h"
projects / wxWidgets.git / blobdiff