1e6feb95a7
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
261 lines
8.3 KiB
C++
261 lines
8.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: textctrl.h
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// Purpose: wxTextCtrlBase class - the interface of wxTextCtrl
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 13.07.99
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// RCS-ID: $Id$
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// Copyright: (c) wxWindows team
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_TEXTCTRL_H_BASE_
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#define _WX_TEXTCTRL_H_BASE_
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma interface "textctrlbase.h"
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#endif
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#include "wx/defs.h"
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#if wxUSE_TEXTCTRL
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#include "wx/control.h" // the base class
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// 16-bit Borland 4.0 doesn't seem to allow multiple inheritance with wxWindow
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// and streambuf: it complains about deriving a huge class from the huge class
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// streambuf. !! Also, can't use streambuf if making or using a DLL :-(
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#if (defined(__BORLANDC__)) || defined(__MWERKS__) || defined(_WINDLL) || defined(WXUSINGDLL) || defined(WXMAKINGDLL)
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#define NO_TEXT_WINDOW_STREAM
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#endif
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// the streambuf which is used in the declaration of wxTextCtrlBase below is not compatible
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// with the standard-conforming implementation found in newer egcs versions
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// (that is, the libstdc++ v3 that is shipped with it)
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#if defined(__GNUC__)&&( (__GNUC__>2) ||( (__GNUC__==2)&&(__GNUC_MINOR__>97) ) )
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#define NO_TEXT_WINDOW_STREAM
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#endif
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#ifndef NO_TEXT_WINDOW_STREAM
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#if wxUSE_STD_IOSTREAM
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#include "wx/ioswrap.h" // for iostream classes if we need them
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#else // !wxUSE_STD_IOSTREAM
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// can't compile this feature in if we don't use streams at all
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#define NO_TEXT_WINDOW_STREAM
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#endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
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#endif
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class WXDLLEXPORT wxTextCtrl;
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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WXDLLEXPORT_DATA(extern const wxChar*) wxTextCtrlNameStr;
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WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
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// ----------------------------------------------------------------------------
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// wxTextAttr: a structure containing the visual attributes of a text
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxTextAttr
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{
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public:
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// ctors
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wxTextAttr() { }
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wxTextAttr(const wxColour& colText,
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const wxColour& colBack = wxNullColour,
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const wxFont& font = wxNullFont)
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: m_colText(colText), m_colBack(colBack), m_font(font) { }
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// setters
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void SetTextColour(const wxColour& colText) { m_colText = colText; }
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void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
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void SetFont(const wxFont& font) { m_font = font; }
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// accessors
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bool HasTextColour() const { return m_colText.Ok(); }
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bool HasBackgroundColour() const { return m_colBack.Ok(); }
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bool HasFont() const { return m_font.Ok(); }
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// setters
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const wxColour& GetTextColour() const { return m_colText; }
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const wxColour& GetBackgroundColour() const { return m_colBack; }
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const wxFont& GetFont() const { return m_font; }
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// returns false if we have any attributes set, true otherwise
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bool IsDefault() const
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{
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return !HasTextColour() && !HasBackgroundColour() && !HasFont();
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}
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private:
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wxColour m_colText,
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m_colBack;
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wxFont m_font;
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};
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// ----------------------------------------------------------------------------
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// wxTextCtrl: a single or multiple line text zone where user can enter and
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// edit text
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxTextCtrlBase : public wxControl
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#ifndef NO_TEXT_WINDOW_STREAM
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, public streambuf
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#endif
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{
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public:
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// creation
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// --------
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wxTextCtrlBase();
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~wxTextCtrlBase();
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// accessors
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// ---------
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virtual wxString GetValue() const = 0;
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virtual void SetValue(const wxString& value) = 0;
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virtual int GetLineLength(long lineNo) const = 0;
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virtual wxString GetLineText(long lineNo) const = 0;
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virtual int GetNumberOfLines() const = 0;
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virtual bool IsModified() const = 0;
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virtual bool IsEditable() const = 0;
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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 = 0;
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// operations
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// ----------
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// editing
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virtual void Clear() = 0;
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virtual void Replace(long from, long to, const wxString& value) = 0;
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virtual void Remove(long from, long to) = 0;
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// load/save the controls contents from/to the file
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virtual bool LoadFile(const wxString& file);
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virtual bool SaveFile(const wxString& file = wxEmptyString);
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// clears the dirty flag
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virtual void DiscardEdits() = 0;
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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) = 0;
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virtual void AppendText(const wxString& text) = 0;
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// text control under some platforms supports the text styles: these
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// methods allow to apply the given text style to the given selection or to
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// set/get the style which will be used for all appended text
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virtual bool SetStyle(long start, long end, const wxTextAttr& style);
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virtual bool SetDefaultStyle(const wxTextAttr& style);
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virtual const wxTextAttr& GetDefaultStyle() const;
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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 = 0;
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virtual bool PositionToXY(long pos, long *x, long *y) const = 0;
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virtual void ShowPosition(long pos) = 0;
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// Clipboard operations
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virtual void Copy() = 0;
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virtual void Cut() = 0;
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virtual void Paste() = 0;
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virtual bool CanCopy() const;
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virtual bool CanCut() const;
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virtual bool CanPaste() const;
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// Undo/redo
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virtual void Undo() = 0;
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virtual void Redo() = 0;
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virtual bool CanUndo() const = 0;
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virtual bool CanRedo() const = 0;
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// Insertion point
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virtual void SetInsertionPoint(long pos) = 0;
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virtual void SetInsertionPointEnd() = 0;
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virtual long GetInsertionPoint() const = 0;
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virtual long GetLastPosition() const = 0;
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virtual void SetSelection(long from, long to) = 0;
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virtual void SelectAll();
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virtual void SetEditable(bool editable) = 0;
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// streambuf methods
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#ifndef NO_TEXT_WINDOW_STREAM
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int overflow(int i);
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int sync();
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int underflow();
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#endif // NO_TEXT_WINDOW_STREAM
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// stream-like insertion operators: these are always available, whether we
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// were, or not, compiled with streambuf support
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wxTextCtrl& operator<<(const wxString& s);
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wxTextCtrl& operator<<(int i);
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wxTextCtrl& operator<<(long i);
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wxTextCtrl& operator<<(float f);
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wxTextCtrl& operator<<(double d);
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wxTextCtrl& operator<<(const wxChar c);
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// obsolete functions
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#if WXWIN_COMPATIBILITY
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bool Modified() const { return IsModified(); }
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#endif
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protected:
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// the name of the last file loaded with LoadFile() which will be used by
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// SaveFile() by default
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wxString m_filename;
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// the text style which will be used for any new text added to the control
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wxTextAttr m_defaultStyle;
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private:
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#ifndef NO_TEXT_WINDOW_STREAM
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#if !wxUSE_IOSTREAMH
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char *m_streambuf;
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#endif
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#endif
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};
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// ----------------------------------------------------------------------------
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// include the platform-dependent class definition
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// ----------------------------------------------------------------------------
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#if defined(__WXUNIVERSAL__)
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#include "wx/univ/textctrl.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/textctrl.h"
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#elif defined(__WXMOTIF__)
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#include "wx/motif/textctrl.h"
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#elif defined(__WXGTK__)
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#include "wx/gtk/textctrl.h"
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#elif defined(__WXQT__)
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#include "wx/qt/textctrl.h"
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#elif defined(__WXMAC__)
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#include "wx/mac/textctrl.h"
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#elif defined(__WXPM__)
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#include "wx/os2/textctrl.h"
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#elif defined(__WXSTUBS__)
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#include "wx/stubs/textctrl.h"
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#endif
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#endif // wxUSE_TEXTCTRL
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#endif
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// _WX_TEXTCTRL_H_BASE_
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