X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..9fe52545f5b4a21e3cdeab5d0aa8d9e6a91355c3:/include/wx/textctrl.h diff --git a/include/wx/textctrl.h b/include/wx/textctrl.h index bbe414be2d..eb83f06c39 100644 --- a/include/wx/textctrl.h +++ b/include/wx/textctrl.h @@ -1,13 +1,260 @@ -#ifndef __TEXTCTRLH_BASE__ -#define __TEXTCTRLH_BASE__ +/////////////////////////////////////////////////////////////////////////////// +// Name: textctrl.h +// Purpose: wxTextCtrlBase class - the interface of wxTextCtrl +// Author: Vadim Zeitlin +// Modified by: +// Created: 13.07.99 +// RCS-ID: $Id$ +// Copyright: (c) wxWindows team +// Licence: wxWindows licence +/////////////////////////////////////////////////////////////////////////////// -#if defined(__WINDOWS__) -#include "wx/msw/textctrl.h" -#elif defined(__MOTIF__) -#include "wx/xt/textctrl.h" -#elif defined(__GTK__) -#include "wx/gtk/textctrl.h" +#ifndef _WX_TEXTCTRL_H_BASE_ +#define _WX_TEXTCTRL_H_BASE_ + +// ---------------------------------------------------------------------------- +// 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" +#elif defined(__WXMOTIF__) + #include "wx/motif/textctrl.h" +#elif defined(__WXGTK__) + #include "wx/gtk/textctrl.h" +#elif defined(__WXQT__) + #include "wx/qt/textctrl.h" +#elif defined(__WXMAC__) + #include "wx/mac/textctrl.h" +#elif defined(__WXPM__) + #include "wx/os2/textctrl.h" +#elif defined(__WXSTUBS__) + #include "wx/stubs/textctrl.h" +#endif + +#endif // wxUSE_TEXTCTRL + #endif - // __TEXTCTRLH_BASE__ + // _WX_TEXTCTRL_H_BASE_