386 lines
12 KiB
C
386 lines
12 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/x11/textctrl.h
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// Purpose:
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// Author: Robert Roebling
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// Created: 01/02/97
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __X11TEXTCTRLH__
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#define __X11TEXTCTRLH__
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// Set to 1 to use wxUniv's implementation, 0
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// to use wxX11's.
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#define wxUSE_UNIV_TEXTCTRL 1
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#if wxUSE_UNIV_TEXTCTRL
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#include "wx/univ/textctrl.h"
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#else
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#include "wx/scrolwin.h"
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#include "wx/arrstr.h"
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//-----------------------------------------------------------------------------
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// classes
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
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//-----------------------------------------------------------------------------
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// helpers
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//-----------------------------------------------------------------------------
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enum wxSourceUndo
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{
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wxSOURCE_UNDO_LINE,
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wxSOURCE_UNDO_ENTER,
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wxSOURCE_UNDO_BACK,
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wxSOURCE_UNDO_INSERT_LINE,
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wxSOURCE_UNDO_DELETE,
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wxSOURCE_UNDO_PASTE
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};
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class wxSourceUndoStep: public wxObject
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{
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public:
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wxSourceUndoStep( wxSourceUndo type, int y1, int y2, wxTextCtrl *owner );
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void Undo();
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wxSourceUndo m_type;
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int m_y1;
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int m_y2;
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int m_cursorX;
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int m_cursorY;
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wxTextCtrl *m_owner;
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wxString m_text;
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wxArrayString m_lines;
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};
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class wxSourceLine
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{
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public:
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wxSourceLine( const wxString &text = wxEmptyString )
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{
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m_text = text;
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}
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wxString m_text;
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};
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WX_DECLARE_OBJARRAY(wxSourceLine, wxSourceLineArray);
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enum wxSourceLanguage
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{
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wxSOURCE_LANG_NONE,
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wxSOURCE_LANG_CPP,
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wxSOURCE_LANG_PERL,
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wxSOURCE_LANG_PYTHON
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};
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//-----------------------------------------------------------------------------
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// wxTextCtrl
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxTextCtrl: public wxTextCtrlBase, public wxScrollHelper
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{
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public:
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wxTextCtrl() { Init(); }
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wxTextCtrl(wxWindow *parent,
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wxWindowID id,
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const wxString &value = wxEmptyString,
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const wxPoint &pos = wxDefaultPosition,
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const wxSize &size = wxDefaultSize,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString &name = wxTextCtrlNameStr);
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virtual ~wxTextCtrl();
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxString &value = wxEmptyString,
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const wxPoint &pos = wxDefaultPosition,
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const wxSize &size = wxDefaultSize,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString &name = wxTextCtrlNameStr);
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// required for scrolling with wxScrollHelper
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// ------------------------------------------
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virtual void PrepareDC(wxDC& dc) { DoPrepareDC(dc); }
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// implement base class pure virtuals
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// ----------------------------------
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virtual void ChangeValue(const wxString &value);
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virtual int GetLineLength(long lineNo) const;
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virtual wxString GetLineText(long lineNo) const;
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virtual int GetNumberOfLines() const;
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virtual bool IsModified() const;
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virtual bool IsEditable() const;
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// more readable flag testing methods
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// ----------------------------------
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bool IsPassword() const { return (GetWindowStyle() & wxTE_PASSWORD) != 0; }
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bool WrapLines() const { return false; }
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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;
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// operations
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// ----------
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// editing
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virtual void Clear();
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virtual void Replace(long from, long to, const wxString& value);
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virtual void Remove(long from, long to);
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// clears the dirty flag
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virtual void DiscardEdits();
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virtual void SetMaxLength(unsigned long len);
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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);
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virtual void AppendText(const wxString& text);
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// apply text attribute to the range of text (only works with richedit
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// controls)
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virtual bool SetStyle(long start, long end, const wxTextAttr& style);
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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;
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virtual bool PositionToXY(long pos, long *x, long *y) const;
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virtual void ShowPosition(long pos);
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// Clipboard operations
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virtual void Copy();
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virtual void Cut();
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virtual void Paste();
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// Undo/redo
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virtual void Undo();
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virtual void Redo() {}
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virtual bool CanUndo() const { return (m_undos.GetCount() > 0); }
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virtual bool CanRedo() const { return false; }
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// Insertion point
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virtual void SetInsertionPoint(long pos);
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virtual void SetInsertionPointEnd();
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virtual long GetInsertionPoint() const;
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virtual wxTextPos GetLastPosition() const;
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virtual void SetSelection(long from, long to);
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virtual void SetEditable(bool editable);
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virtual bool Enable( bool enable = true );
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void OnCut(wxCommandEvent& event);
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void OnCopy(wxCommandEvent& event);
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void OnPaste(wxCommandEvent& event);
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void OnUndo(wxCommandEvent& event);
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void OnRedo(wxCommandEvent& event);
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void OnUpdateCut(wxUpdateUIEvent& event);
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void OnUpdateCopy(wxUpdateUIEvent& event);
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void OnUpdatePaste(wxUpdateUIEvent& event);
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void OnUpdateUndo(wxUpdateUIEvent& event);
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void OnUpdateRedo(wxUpdateUIEvent& event);
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bool SetFont(const wxFont& font);
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bool SetForegroundColour(const wxColour& colour);
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bool SetBackgroundColour(const wxColour& colour);
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void SetModified() { m_modified = true; }
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// textctrl specific scrolling
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virtual bool ScrollLines(int lines);
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virtual bool ScrollPages(int pages);
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// not part of the wxTextCtrl API from now on..
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void SetLanguage( wxSourceLanguage lang = wxSOURCE_LANG_NONE );
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void Delete();
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void DeleteLine();
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void Indent();
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void Unindent();
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bool HasSelection();
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void ClearSelection();
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int GetCursorX() { return m_cursorX; }
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int GetCursorY() { return m_cursorY; }
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bool IsModified() { return m_modified; }
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bool OverwriteMode() { return m_overwrite; }
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// implementation from now on...
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int PosToPixel( int line, int pos );
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int PixelToPos( int line, int pixel );
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void SearchForBrackets();
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void DoChar( char c );
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void DoBack();
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void DoDelete();
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void DoReturn();
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void DoDClick();
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wxString GetNextToken( wxString &line, size_t &pos );
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void DrawLinePart( wxDC &dc, int x, int y, const wxString &toDraw, const wxString &origin, const wxColour &colour);
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void DrawLine( wxDC &dc, int x, int y, const wxString &line, int lineNum );
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void OnPaint( wxPaintEvent &event );
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void OnEraseBackground( wxEraseEvent &event );
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void OnMouse( wxMouseEvent &event );
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void OnChar( wxKeyEvent &event );
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void OnSetFocus( wxFocusEvent& event );
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void OnKillFocus( wxFocusEvent& event );
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void OnInternalIdle();
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void RefreshLine( int n );
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void RefreshDown( int n );
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void MoveCursor( int new_x, int new_y, bool shift = false, bool centre = false );
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void MyAdjustScrollbars();
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protected:
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// common part of all ctors
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void Init();
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virtual wxSize DoGetBestSize() const;
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virtual void DoSetValue(const wxString& value, int flags = 0);
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friend class wxSourceUndoStep;
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wxSourceLineArray m_lines;
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wxFont m_sourceFont;
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wxColour m_sourceColour;
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wxColour m_commentColour;
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wxColour m_stringColour;
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int m_cursorX;
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int m_cursorY;
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int m_selStartX,m_selStartY;
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int m_selEndX,m_selEndY;
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int m_lineHeight;
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int m_charWidth;
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int m_longestLine;
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bool m_overwrite;
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bool m_modified;
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bool m_editable;
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bool m_ignoreInput;
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wxArrayString m_keywords;
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wxColour m_keywordColour;
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wxArrayString m_defines;
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wxColour m_defineColour;
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wxArrayString m_variables;
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wxColour m_variableColour;
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wxSourceLanguage m_lang;
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wxList m_undos;
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bool m_capturing;
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int m_bracketX;
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int m_bracketY;
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private:
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DECLARE_EVENT_TABLE()
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DECLARE_DYNAMIC_CLASS(wxTextCtrl);
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};
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//-----------------------------------------------------------------------------
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// this is superfluous here but helps to compile
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//-----------------------------------------------------------------------------
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// cursor movement and also selection and delete operations
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#define wxACTION_TEXT_GOTO wxT("goto") // to pos in numArg
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#define wxACTION_TEXT_FIRST wxT("first") // go to pos 0
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#define wxACTION_TEXT_LAST wxT("last") // go to last pos
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#define wxACTION_TEXT_HOME wxT("home")
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#define wxACTION_TEXT_END wxT("end")
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#define wxACTION_TEXT_LEFT wxT("left")
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#define wxACTION_TEXT_RIGHT wxT("right")
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#define wxACTION_TEXT_UP wxT("up")
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#define wxACTION_TEXT_DOWN wxT("down")
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#define wxACTION_TEXT_WORD_LEFT wxT("wordleft")
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#define wxACTION_TEXT_WORD_RIGHT wxT("wordright")
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#define wxACTION_TEXT_PAGE_UP wxT("pageup")
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#define wxACTION_TEXT_PAGE_DOWN wxT("pagedown")
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// clipboard operations
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#define wxACTION_TEXT_COPY wxT("copy")
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#define wxACTION_TEXT_CUT wxT("cut")
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#define wxACTION_TEXT_PASTE wxT("paste")
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// insert text at the cursor position: the text is in strArg of PerformAction
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#define wxACTION_TEXT_INSERT wxT("insert")
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// if the action starts with either of these prefixes and the rest of the
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// string is one of the movement commands, it means to select/delete text from
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// the current cursor position to the new one
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#define wxACTION_TEXT_PREFIX_SEL wxT("sel")
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#define wxACTION_TEXT_PREFIX_DEL wxT("del")
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// mouse selection
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#define wxACTION_TEXT_ANCHOR_SEL wxT("anchorsel")
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#define wxACTION_TEXT_EXTEND_SEL wxT("extendsel")
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#define wxACTION_TEXT_SEL_WORD wxT("wordsel")
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#define wxACTION_TEXT_SEL_LINE wxT("linesel")
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// undo or redo
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#define wxACTION_TEXT_UNDO wxT("undo")
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#define wxACTION_TEXT_REDO wxT("redo")
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// ----------------------------------------------------------------------------
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// wxTextCtrl types
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxStdTextCtrlInputHandler : public wxStdInputHandler
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{
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public:
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wxStdTextCtrlInputHandler(wxInputHandler *inphand) : wxStdInputHandler(inphand) {}
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virtual bool HandleKey(wxInputConsumer *consumer,
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const wxKeyEvent& event,
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bool pressed) { return false; }
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virtual bool HandleMouse(wxInputConsumer *consumer, const wxMouseEvent& event) { return false; }
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virtual bool HandleMouseMove(wxInputConsumer *consumer, const wxMouseEvent& event) { return false; }
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virtual bool HandleFocus(wxInputConsumer *consumer, const wxFocusEvent& event) { return false; }
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protected:
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// get the position of the mouse click
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static wxTextPos HitTest(const wxTextCtrl *text, const wxPoint& pos) { return 0; }
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// capture data
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wxTextCtrl *m_winCapture;
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};
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#endif
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// wxUSE_UNIV_TEXTCTRL
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#endif // __X11TEXTCTRLH__
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