X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/396bdd5ab1b1a66748642c67d8f81315a10557ad..5d7836c47de679f03b1b7e738c77164c11bd3689:/include/wx/msw/textctrl.h diff --git a/include/wx/msw/textctrl.h b/include/wx/msw/textctrl.h index 4da1c0f7d3..7509aadfbb 100644 --- a/include/wx/msw/textctrl.h +++ b/include/wx/msw/textctrl.h @@ -1,172 +1,265 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: textctrl.h +// Name: wx/msw/textctrl.h // Purpose: wxTextCtrl class // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_TEXTCTRL_H_ #define _WX_TEXTCTRL_H_ -#ifdef __GNUG__ - #pragma interface "textctrl.h" -#endif +class WXDLLEXPORT wxTextCtrl : public wxTextCtrlBase +{ +public: + // creation + // -------- -#include "wx/setup.h" -#include "wx/control.h" + wxTextCtrl() { Init(); } + wxTextCtrl(wxWindow *parent, wxWindowID id, + const wxString& value = wxEmptyString, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = 0, + const wxValidator& validator = wxDefaultValidator, + const wxString& name = wxTextCtrlNameStr) + { + Init(); -#if wxUSE_IOSTREAMH - #include -#else - #include -#endif + Create(parent, id, value, pos, size, style, validator, name); + } + ~wxTextCtrl(); -#if defined(__WIN95__) && !defined(__TWIN32__) - #define wxUSE_RICHEDIT 1 -#else - #define wxUSE_RICHEDIT 0 -#endif + bool Create(wxWindow *parent, wxWindowID id, + const wxString& value = wxEmptyString, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = 0, + const wxValidator& validator = wxDefaultValidator, + const wxString& name = wxTextCtrlNameStr); -WXDLLEXPORT_DATA(extern const char*) wxTextCtrlNameStr; -WXDLLEXPORT_DATA(extern const char*) wxEmptyString; + // implement base class pure virtuals + // ---------------------------------- -// Single-line text item -class WXDLLEXPORT wxTextCtrl: public wxControl + virtual wxString GetValue() const; + virtual void SetValue(const wxString& value); -// 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 :-( + virtual wxString GetRange(long from, long to) const; -#if (defined(__BORLANDC__)) || defined(__MWERKS__) || defined(_WINDLL) || defined(WXUSINGDLL) || defined(WXMAKINGDLL) -#define NO_TEXT_WINDOW_STREAM -#endif + virtual int GetLineLength(long lineNo) const; + virtual wxString GetLineText(long lineNo) const; + virtual int GetNumberOfLines() const; -#ifndef NO_TEXT_WINDOW_STREAM -, public streambuf -#endif + virtual bool IsModified() const; + virtual bool IsEditable() const; -{ - DECLARE_DYNAMIC_CLASS(wxTextCtrl) - -public: - // creation - // -------- - wxTextCtrl(); - inline wxTextCtrl(wxWindow *parent, wxWindowID id, - const wxString& value = wxEmptyString, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, long style = 0, - const wxValidator& validator = wxDefaultValidator, - const wxString& name = wxTextCtrlNameStr) -#ifndef NO_TEXT_WINDOW_STREAM - :streambuf() -#endif - { - Create(parent, id, value, pos, size, style, validator, name); - } - - bool Create(wxWindow *parent, wxWindowID id, - const wxString& value = wxEmptyString, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, long style = wxTE_PROCESS_TAB, - const wxValidator& validator = wxDefaultValidator, - const wxString& name = wxTextCtrlNameStr); - - // accessors - // --------- - virtual wxString GetValue() const ; - virtual void SetValue(const wxString& value); - - virtual int GetLineLength(long lineNo) const; - virtual wxString GetLineText(long lineNo) const; - virtual int GetNumberOfLines() const; - - // operations - // ---------- - virtual void SetSize(int x, int y, int width, int height, int sizeFlags = wxSIZE_AUTO); - void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO) - { wxWindow::SetSize(rect, sizeFlags); } - void SetSize(const wxSize& size) { wxWindow::SetSize(size); } - - // Clipboard operations - virtual void Copy(); - virtual void Cut(); - virtual void Paste(); - - virtual void SetInsertionPoint(long pos); - virtual void SetInsertionPointEnd(); - virtual long GetInsertionPoint() const ; - virtual long GetLastPosition() const ; - virtual void Replace(long from, long to, const wxString& value); - virtual void Remove(long from, long to); - virtual void SetSelection(long from, long to); - virtual void SetEditable(bool editable); - - // streambuf implementation -#ifndef NO_TEXT_WINDOW_STREAM - int overflow(int i); - int sync(); - int underflow(); -#endif - - wxTextCtrl& operator<<(const wxString& s); - wxTextCtrl& operator<<(int i); - wxTextCtrl& operator<<(long i); - wxTextCtrl& operator<<(float f); - wxTextCtrl& operator<<(double d); - wxTextCtrl& operator<<(const char c); - - virtual bool LoadFile(const wxString& file); - virtual bool SaveFile(const wxString& file); - virtual void WriteText(const wxString& text); - virtual void DiscardEdits(); - virtual bool IsModified() const; - -#if WXWIN_COMPATIBILITY - inline bool Modified() const { return IsModified(); } -#endif - - virtual long XYToPosition(long x, long y) const ; - virtual void PositionToXY(long pos, long *x, long *y) const ; - virtual void ShowPosition(long pos); - virtual void Clear(); - - // callbacks - // --------- - void OnDropFiles(wxDropFilesEvent& event); - void OnChar(wxKeyEvent& event); // Process 'enter' if required - void OnEraseBackground(wxEraseEvent& event); - - // Implementation - // -------------- - virtual void Command(wxCommandEvent& event); - virtual bool MSWCommand(WXUINT param, WXWORD id); + virtual void GetSelection(long* from, long* to) const; + + // operations + // ---------- + + // editing + virtual void Clear(); + virtual void Replace(long from, long to, const wxString& value); + virtual void Remove(long from, long to); + + // load the controls contents from the file + virtual bool LoadFile(const wxString& file); + + // clears the dirty flag + virtual void MarkDirty(); + virtual void DiscardEdits(); + + virtual void SetMaxLength(unsigned long len); + + // writing text inserts it at the current position, appending always + // inserts it at the end + virtual void WriteText(const wxString& text); + virtual void AppendText(const wxString& text); + +#ifdef __WIN32__ + virtual bool EmulateKeyPress(const wxKeyEvent& event); +#endif // __WIN32__ #if wxUSE_RICHEDIT - bool IsRich() const { return m_isRich; } - void SetRichEdit(bool isRich) { m_isRich = isRich; } -#endif + // apply text attribute to the range of text (only works with richedit + // controls) + virtual bool SetStyle(long start, long end, const wxTextAttr& style); + virtual bool SetDefaultStyle(const wxTextAttr& style); + virtual bool GetStyle(long position, wxTextAttr& style); +#endif // wxUSE_RICHEDIT + + // 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; + virtual bool PositionToXY(long pos, long *x, long *y) const; + + virtual void ShowPosition(long pos); + virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const; + virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, + wxTextCoord *col, + wxTextCoord *row) const + { + return wxTextCtrlBase::HitTest(pt, col, row); + } + + // Clipboard operations + virtual void Copy(); + virtual void Cut(); + virtual void Paste(); + + virtual bool CanCopy() const; + virtual bool CanCut() const; + virtual bool CanPaste() const; + + // Undo/redo + virtual void Undo(); + virtual void Redo(); + + virtual bool CanUndo() const; + virtual bool CanRedo() const; + + // Insertion point + virtual void SetInsertionPoint(long pos); + virtual void SetInsertionPointEnd(); + virtual long GetInsertionPoint() const; + virtual wxTextPos GetLastPosition() const; + + virtual void SetSelection(long from, long to); + virtual void SetEditable(bool editable); + + // Caret handling (Windows only) + + bool ShowNativeCaret(bool show = true); + bool HideNativeCaret() { return ShowNativeCaret(false); } + + // Implementation from now on + // -------------------------- + + virtual void SetWindowStyleFlag(long style); + + virtual void Command(wxCommandEvent& event); + virtual bool MSWCommand(WXUINT param, WXWORD id); + virtual WXHBRUSH MSWControlColor(WXHDC hDC, WXHWND hWnd); + +#if wxUSE_RICHEDIT + virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); + + int GetRichVersion() const { return m_verRichEdit; } + bool IsRich() const { return m_verRichEdit != 0; } + + // rich edit controls are not compatible with normal ones and wem ust set + // the colours for them otherwise + virtual bool SetBackgroundColour(const wxColour& colour); + virtual bool SetForegroundColour(const wxColour& colour); +#endif // wxUSE_RICHEDIT + + virtual void AdoptAttributesFromHWND(); + + virtual bool AcceptsFocus() const; + + // callbacks + void OnDropFiles(wxDropFilesEvent& event); + void OnChar(wxKeyEvent& event); // Process 'enter' if required + + void OnCut(wxCommandEvent& event); + void OnCopy(wxCommandEvent& event); + void OnPaste(wxCommandEvent& event); + void OnUndo(wxCommandEvent& event); + void OnRedo(wxCommandEvent& event); + void OnDelete(wxCommandEvent& event); + void OnSelectAll(wxCommandEvent& event); + + void OnUpdateCut(wxUpdateUIEvent& event); + void OnUpdateCopy(wxUpdateUIEvent& event); + void OnUpdatePaste(wxUpdateUIEvent& event); + void OnUpdateUndo(wxUpdateUIEvent& event); + void OnUpdateRedo(wxUpdateUIEvent& event); + void OnUpdateDelete(wxUpdateUIEvent& event); + void OnUpdateSelectAll(wxUpdateUIEvent& event); + + // Show a context menu for Rich Edit controls (the standard + // EDIT control has one already) + void OnContextMenu(wxContextMenuEvent& event); + + // be sure the caret remains invisible if the user + // called HideNativeCaret() before + void OnSetFocus(wxFocusEvent& event); - virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, - WXUINT message, WXWPARAM wParam, - WXLPARAM lParam); - - virtual void AdoptAttributesFromHWND(); - virtual void SetupColours(); - virtual long MSWGetDlgCode(); - protected: + // common part of all ctors + void Init(); + + // intercept WM_GETDLGCODE + virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); + + // return true if this control has a user-set limit on amount of text (i.e. + // the limit is due to a previous call to SetMaxLength() and not built in) + bool HasSpaceLimit(unsigned int *len) const; + + // call this to increase the size limit (will do nothing if the current + // limit is big enough) + // + // returns true if we increased the limit to allow entering more text, + // false if we hit the limit set by SetMaxLength() and so didn't change it + bool AdjustSpaceLimit(); + +#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU) + // replace the selection or the entire control contents with the given text + // in the specified encoding + bool StreamIn(const wxString& value, wxFontEncoding encoding, bool selOnly); + + // get the contents of the control out as text in the given encoding + wxString StreamOut(wxFontEncoding encoding, bool selOnly = false) const; +#endif // wxUSE_RICHEDIT + + // replace the contents of the selection or of the entire control with the + // given text + void DoWriteText(const wxString& text, bool selectionOnly = true); + + // set the selection possibly without scrolling the caret into view + void DoSetSelection(long from, long to, bool scrollCaret = true); + + // return true if there is a non empty selection in the control + bool HasSelection() const; + + // get the length of the line containing the character at the given + // position + long GetLengthOfLineContainingPos(long pos) const; + + // send TEXT_UPDATED event, return true if it was handled, false otherwise + bool SendUpdateEvent(); + + // override some base class virtuals + virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg); + virtual wxSize DoGetBestSize() const; + + virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const; + #if wxUSE_RICHEDIT - bool m_isRich; // Are we using rich text edit to implement this? -#endif + // we're using RICHEDIT (and not simple EDIT) control if this field is not + // 0, it also gives the version of the RICHEDIT control being used (1, 2 or + // 3 so far) + int m_verRichEdit; +#endif // wxUSE_RICHEDIT + + // number of EN_UPDATE events sent by Windows when we change the controls + // text ourselves: we want this to be exactly 1 + int m_updatesCount; + + virtual wxVisualAttributes GetDefaultAttributes() const; + +private: + DECLARE_EVENT_TABLE() + DECLARE_DYNAMIC_CLASS_NO_COPY(wxTextCtrl) + + wxMenu* m_privateContextMenu; - wxString m_fileName; - - DECLARE_EVENT_TABLE() + bool m_isNativeCaretShown; }; #endif