src/osx/textctrl_osx.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/osx/textctrl_osx.cpp
// Purpose:     wxTextCtrl
// Author:      Stefan Csomor
// Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#if wxUSE_TEXTCTRL

#include "wx/textctrl.h"

#ifndef WX_PRECOMP
    #include "wx/intl.h"
    #include "wx/app.h"
    #include "wx/utils.h"
    #include "wx/dc.h"
    #include "wx/button.h"
    #include "wx/menu.h"
    #include "wx/settings.h"
    #include "wx/msgdlg.h"
    #include "wx/toplevel.h"
#endif

#ifdef __DARWIN__
    #include <sys/types.h>
    #include <sys/stat.h>
#else
    #include <stat.h>
#endif

#if wxUSE_STD_IOSTREAM
    #if wxUSE_IOSTREAMH
        #include <fstream.h>
    #else
        #include <fstream>
    #endif
#endif

#include "wx/filefn.h"
#include "wx/sysopt.h"
#include "wx/thread.h"

#include "wx/osx/private.h"

BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
    EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
    EVT_CHAR(wxTextCtrl::OnChar)
    EVT_KEY_DOWN(wxTextCtrl::OnKeyDown)
    EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
    EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
    EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
    EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
    EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
    EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
    EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)

    EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)

    EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
    EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
    EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
    EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
    EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
    EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
    EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
END_EVENT_TABLE()


void wxTextCtrl::Init()
{
    m_dirty = false;

    m_privateContextMenu = NULL;
}

wxTextCtrl::~wxTextCtrl()
{
#if wxUSE_MENUS
    delete m_privateContextMenu;
#endif
}

bool wxTextCtrl::Create( wxWindow *parent,
    wxWindowID id,
    const wxString& str,
    const wxPoint& pos,
    const wxSize& size,
    long style,
    const wxValidator& validator,
    const wxString& name )
{
    DontCreatePeer();
    m_editable = true ;

    if ( ! (style & wxNO_BORDER) )
        style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;

    if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
        return false;

    if ( m_windowStyle & wxTE_MULTILINE )
    {
        // always turn on this style for multi-line controls
        m_windowStyle |= wxTE_PROCESS_ENTER;
        style |= wxTE_PROCESS_ENTER ;
    }


    SetPeer(wxWidgetImpl::CreateTextControl( this, GetParent(), GetId(), str, pos, size, style, GetExtraStyle() ));

    MacPostControlCreate(pos, size) ;

#if wxOSX_USE_COCOA
    // under carbon everything can already be set before the MacPostControlCreate embedding takes place
    // but under cocoa for single line textfields this only works after everything has been set up
    GetTextPeer()->SetStringValue(str);
#endif

    // only now the embedding is correct and we can do a positioning update

    MacSuperChangedPosition() ;

    if ( m_windowStyle & wxTE_READONLY)
        SetEditable( false ) ;

    SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;

    return true;
}

void wxTextCtrl::MacSuperChangedPosition()
{
    wxWindow::MacSuperChangedPosition() ;
#if wxOSX_USE_CARBON
    GetPeer()->SuperChangedPosition() ;
#endif
}

void wxTextCtrl::MacVisibilityChanged()
{
#if wxOSX_USE_CARBON
    GetPeer()->VisibilityChanged( GetPeer()->IsVisible() );
#endif
}

void wxTextCtrl::MacCheckSpelling(bool check)
{
    GetTextPeer()->CheckSpelling(check);
}

bool wxTextCtrl::SetFont( const wxFont& font )
{
    if ( !wxTextCtrlBase::SetFont( font ) )
        return false ;

    GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle(), false /* dont ignore black */ ) ;

    return true ;
}

bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
{
    if (GetTextPeer())
        GetTextPeer()->SetStyle( start , end , style ) ;

    return true ;
}

bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
{
    wxTextCtrlBase::SetDefaultStyle( style ) ;
    SetStyle( -1  /*current selection*/  , -1 /*current selection*/ , GetDefaultStyle() ) ;

    return true ;
}

bool wxTextCtrl::IsModified() const
{
    return m_dirty;
}

bool wxTextCtrl::AcceptsFocus() const
{
    // we don't want focus if we can't be edited
    return /*IsEditable() && */ wxControl::AcceptsFocus();
}

wxSize wxTextCtrl::DoGetBestSize() const
{
    if (GetTextPeer())
    {
        wxSize size = GetTextPeer()->GetBestSize();
        if (size.x > 0 && size.y > 0)
            return size;
    }

    int wText, hText;

    // these are the numbers from the HIG:
    // we reduce them by the borders first
    wText = 100 ;

    switch ( m_windowVariant )
    {
        case wxWINDOW_VARIANT_NORMAL :
            hText = 22 - 6 ;
            break ;

        case wxWINDOW_VARIANT_SMALL :
            hText = 19 - 6 ;
            break ;

        case wxWINDOW_VARIANT_MINI :
            hText = 15 - 6 ;
            break ;

        default :
            hText = 22 - 6;
            break ;
    }

    // as the above numbers have some free space around the text
    // we get 5 lines like this anyway
    if ( m_windowStyle & wxTE_MULTILINE )
         hText *= 5 ;

    if ( !HasFlag(wxNO_BORDER) )
        hText += 6 ;

    return wxSize(wText, hText);
}

bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
{
    return GetTextPeer()->GetStyle(position, style);
}

void wxTextCtrl::MarkDirty()
{
    m_dirty = true;
}

void wxTextCtrl::DiscardEdits()
{
    m_dirty = false;
}

int wxTextCtrl::GetNumberOfLines() const
{
    return GetTextPeer()->GetNumberOfLines() ;
}

long wxTextCtrl::XYToPosition(long x, long y) const
{
    return GetTextPeer()->XYToPosition( x , y ) ;
}

bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
{
    return GetTextPeer()->PositionToXY( pos , x , y ) ;
}

void wxTextCtrl::ShowPosition(long pos)
{
    return GetTextPeer()->ShowPosition(pos) ;
}

int wxTextCtrl::GetLineLength(long lineNo) const
{
    return GetTextPeer()->GetLineLength(lineNo) ;
}

wxString wxTextCtrl::GetLineText(long lineNo) const
{
    return GetTextPeer()->GetLineText(lineNo) ;
}

void wxTextCtrl::Copy()
{
    if (CanCopy())
    {
        wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_COPY, GetId());
        evt.SetEventObject(this);
        if (!GetEventHandler()->ProcessEvent(evt))
        {
            wxTextEntry::Copy();
        }
    }
}

void wxTextCtrl::Cut()
{
    if (CanCut())
    {
        wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_CUT, GetId());
        evt.SetEventObject(this);
        if (!GetEventHandler()->ProcessEvent(evt))
        {
            wxTextEntry::Cut();

            SendTextUpdatedEvent();
        }
    }
}

void wxTextCtrl::Paste()
{
    if (CanPaste())
    {
        wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_PASTE, GetId());
        evt.SetEventObject(this);
        if (!GetEventHandler()->ProcessEvent(evt))
        {
            wxTextEntry::Paste();

            // TODO: eventually we should add setting the default style again
            SendTextUpdatedEvent();
        }
    }
}

void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
{
    // By default, load the first file into the text window.
    if (event.GetNumberOfFiles() > 0)
        LoadFile( event.GetFiles()[0] );
}

void wxTextCtrl::OnKeyDown(wxKeyEvent& event)
{
    if ( event.GetModifiers() == wxMOD_CONTROL )
    {
        switch( event.GetKeyCode() )
        {
            case 'A':
                SelectAll();
                return;
            case 'C':
                if ( CanCopy() )
                    Copy() ;
                return;
            case 'V':
                if ( CanPaste() )
                    Paste() ;
                return;
            case 'X':
                if ( CanCut() )
                    Cut() ;
                return;
            default:
                break;
        }
    }
    // no, we didn't process it
    event.Skip();
}

void wxTextCtrl::OnChar(wxKeyEvent& event)
{
    int key = event.GetKeyCode() ;
    bool eat_key = false ;
    long from, to;

    if ( !IsEditable() && !event.IsKeyInCategory(WXK_CATEGORY_ARROW | WXK_CATEGORY_TAB) &&
        !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
//        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
        )
    {
        // eat it
        return ;
    }

    if ( !GetTextPeer()->CanClipMaxLength() )
    {
        // Check if we have reached the max # of chars (if it is set), but still
        // allow navigation and deletion
        GetSelection( &from, &to );
        if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
            !event.IsKeyInCategory(WXK_CATEGORY_ARROW | WXK_CATEGORY_TAB | WXK_CATEGORY_CUT) &&
            !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) ) &&
            from == to )
        {
            // eat it, we don't want to add more than allowed # of characters

            // TODO: generate EVT_TEXT_MAXLEN()
            return;
        }
    }

    // assume that any key not processed yet is going to modify the control
    m_dirty = true;

    switch ( key )
    {
        case WXK_RETURN:
            if (m_windowStyle & wxTE_PROCESS_ENTER)
            {
                wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
                event.SetEventObject( this );
                event.SetString( GetValue() );
                if ( HandleWindowEvent(event) )
                    return;
            }

            if ( !(m_windowStyle & wxTE_MULTILINE) )
            {
                wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
                if ( tlw && tlw->GetDefaultItem() )
                {
                    wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
                    if ( def && def->IsEnabled() )
                    {
                        wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
                        event.SetEventObject(def);
                        def->Command(event);

                        return ;
                    }
                }

                // this will make wxWidgets eat the ENTER key so that
                // we actually prevent line wrapping in a single line text control
                eat_key = true;
            }
            break;

        case WXK_TAB:
            if ( !(m_windowStyle & wxTE_PROCESS_TAB))
            {
                int flags = 0;
                if (!event.ShiftDown())
                    flags |= wxNavigationKeyEvent::IsForward ;
                if (event.ControlDown())
                    flags |= wxNavigationKeyEvent::WinChange ;
                Navigate(flags);

                return;
            }
            else
            {
                // This is necessary (don't know why);
                // otherwise the tab will not be inserted.
                WriteText(wxT("\t"));
                eat_key = true;
            }
            break;

        default:
            break;
    }

    if (!eat_key)
    {
        // perform keystroke handling
        event.Skip(true) ;
    }

    // osx_cocoa sends its event upon insertText
#if wxOSX_USE_CARBON
    if ( ( key >= 0x20 && key < WXK_START ) ||
         ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
         key == WXK_RETURN ||
         key == WXK_DELETE ||
         key == WXK_BACK)
    {
        wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
        event1.SetEventObject( this );
        wxPostEvent( GetEventHandler(), event1 );
    }
#endif
}

void wxTextCtrl::Command(wxCommandEvent & event)
{
    SetValue(event.GetString());
    ProcessCommand(event);
}

// ----------------------------------------------------------------------------
// standard handlers for standard edit menu events
// ----------------------------------------------------------------------------

// CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment

void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
{
    Cut();
}

void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
{
    Copy();
}

void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
{
    Paste();
}

void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
{
    Undo();
}

void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
{
    Redo();
}

void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
{
    long from, to;

    GetSelection( &from, &to );
    if (from != -1 && to != -1)
        Remove( from, to );
}

void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
{
    SetSelection(-1, -1);
}

void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
{
    event.Enable( CanCut() );
}

void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
{
    event.Enable( CanCopy() );
}

void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
{
    event.Enable( CanPaste() );
}

void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
{
    event.Enable( CanUndo() );
}

void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
{
    event.Enable( CanRedo() );
}

void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
{
    long from, to;

    GetSelection( &from, &to );
    event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
}

void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
{
    event.Enable(GetLastPosition() > 0);
}

void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
{
    if ( GetTextPeer()->HasOwnContextMenu() )
    {
        event.Skip() ;
        return ;
    }

#if wxUSE_MENUS
    if (m_privateContextMenu == NULL)
    {
        m_privateContextMenu = new wxMenu;
        m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
        m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
        m_privateContextMenu->AppendSeparator();
        m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
        m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
        m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
        m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
        m_privateContextMenu->AppendSeparator();
        m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
    }

    PopupMenu(m_privateContextMenu);
#endif
}

bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
{
    if ( !GetTextPeer()->SetupCursor( pt ) )
        return wxWindow::MacSetupCursor( pt ) ;
    else
        return true ;
}

bool wxTextCtrl::SetHint(const wxString& hint)
{
    m_hintString = hint;

    if ( GetTextPeer() && GetTextPeer()->SetHint(hint) )
        return true;

    return false;
}

wxString wxTextCtrl::GetHint() const
{
    return m_hintString;
}

// ----------------------------------------------------------------------------
// implementation base class
// ----------------------------------------------------------------------------

bool wxTextWidgetImpl::GetStyle(long WXUNUSED(position),
                                wxTextAttr& WXUNUSED(style))
{
    return false;
}

void wxTextWidgetImpl::SetStyle(long WXUNUSED(start),
                                long WXUNUSED(end),
                                const wxTextAttr& WXUNUSED(style))
{
}

void wxTextWidgetImpl::Copy()
{
}

void wxTextWidgetImpl::Cut()
{
}

void wxTextWidgetImpl::Paste()
{
}

bool wxTextWidgetImpl::CanPaste() const
{
    return false ;
}

void wxTextWidgetImpl::SetEditable(bool WXUNUSED(editable))
{
}

long wxTextWidgetImpl::GetLastPosition() const
{
    return GetStringValue().length() ;
}

void wxTextWidgetImpl::Replace( long from , long to , const wxString &val )
{
    SetSelection( from , to ) ;
    WriteText( val ) ;
}

void wxTextWidgetImpl::Remove( long from , long to )
{
    SetSelection( from , to ) ;
    WriteText( wxEmptyString) ;
}

void wxTextWidgetImpl::Clear()
{
    SetStringValue( wxEmptyString ) ;
}

bool wxTextWidgetImpl::CanUndo() const
{
    return false ;
}

void wxTextWidgetImpl::Undo()
{
}

bool wxTextWidgetImpl::CanRedo()  const
{
    return false ;
}

void wxTextWidgetImpl::Redo()
{
}

long wxTextWidgetImpl::XYToPosition(long WXUNUSED(x), long WXUNUSED(y)) const
{
    return 0 ;
}

bool wxTextWidgetImpl::PositionToXY(long WXUNUSED(pos),
                                    long *WXUNUSED(x),
                                    long *WXUNUSED(y)) const
{
    return false ;
}

void wxTextWidgetImpl::ShowPosition( long WXUNUSED(pos) )
{
}

int wxTextWidgetImpl::GetNumberOfLines() const
{
    wxString content = GetStringValue() ;
    ItemCount lines = 1;

    for (size_t i = 0; i < content.length() ; i++)
    {
#if wxOSX_USE_COCOA
        if (content[i] == '\n')
#else
        if (content[i] == '\r')
#endif
            lines++;
    }

    return lines ;
}

wxString wxTextWidgetImpl::GetLineText(long lineNo) const
{
    // TODO: change this if possible to reflect real lines
    wxString content = GetStringValue() ;

    // Find line first
    int count = 0;
    for (size_t i = 0; i < content.length() ; i++)
    {
        if (count == lineNo)
        {
            // Add chars in line then
            wxString tmp;

            for (size_t j = i; j < content.length(); j++)
            {
                if (content[j] == '\n')
                    return tmp;

                tmp += content[j];
            }

            return tmp;
        }

        if (content[i] == '\n')
            count++;
    }

    return wxEmptyString ;
}

int wxTextWidgetImpl::GetLineLength(long lineNo) const
{
    // TODO: change this if possible to reflect real lines
    wxString content = GetStringValue() ;

    // Find line first
    int count = 0;
    for (size_t i = 0; i < content.length() ; i++)
    {
        if (count == lineNo)
        {
            // Count chars in line then
            count = 0;
            for (size_t j = i; j < content.length(); j++)
            {
                if (content[j] == '\n')
                    return count;

                count++;
            }

            return count;
        }

        if (content[i] == '\n')
            count++;
    }

    return 0 ;
}

#endif // wxUSE_TEXTCTRL
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/osx/textctrl_osx.cpp
	3	// Purpose: wxTextCtrl
	4	// Author: Stefan Csomor
	5	// Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
	6	// Created: 1998-01-01
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Stefan Csomor
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#include "wx/wxprec.h"
	13
	14	#if wxUSE_TEXTCTRL
	15
	16	#include "wx/textctrl.h"
	17
	18	#ifndef WX_PRECOMP
	19	#include "wx/intl.h"
	20	#include "wx/app.h"
	21	#include "wx/utils.h"
	22	#include "wx/dc.h"
	23	#include "wx/button.h"
	24	#include "wx/menu.h"
	25	#include "wx/settings.h"
	26	#include "wx/msgdlg.h"
	27	#include "wx/toplevel.h"
	28	#endif
	29
	30	#ifdef __DARWIN__
	31	#include <sys/types.h>
	32	#include <sys/stat.h>
	33	#else
	34	#include <stat.h>
	35	#endif
	36
	37	#if wxUSE_STD_IOSTREAM
	38	#if wxUSE_IOSTREAMH
	39	#include <fstream.h>
	40	#else
	41	#include <fstream>
	42	#endif
	43	#endif
	44
	45	#include "wx/filefn.h"
	46	#include "wx/sysopt.h"
	47	#include "wx/thread.h"
	48
	49	#include "wx/osx/private.h"
	50
	51	BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
	52	EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
	53	EVT_CHAR(wxTextCtrl::OnChar)
	54	EVT_KEY_DOWN(wxTextCtrl::OnKeyDown)
	55	EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
	56	EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
	57	EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
	58	EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
	59	EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
	60	EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
	61	EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
	62
	63	EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
	64
	65	EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
	66	EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
	67	EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
	68	EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
	69	EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
	70	EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
	71	EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
	72	END_EVENT_TABLE()
	73
	74
	75	void wxTextCtrl::Init()
	76	{
	77	m_dirty = false;
	78
	79	m_privateContextMenu = NULL;
	80	}
	81
	82	wxTextCtrl::~wxTextCtrl()
	83	{
	84	#if wxUSE_MENUS
	85	delete m_privateContextMenu;
	86	#endif
	87	}
	88
	89	bool wxTextCtrl::Create( wxWindow *parent,
	90	wxWindowID id,
	91	const wxString& str,
	92	const wxPoint& pos,
	93	const wxSize& size,
	94	long style,
	95	const wxValidator& validator,
	96	const wxString& name )
	97	{
	98	DontCreatePeer();
	99	m_editable = true ;
	100
	101	if ( ! (style & wxNO_BORDER) )
	102	style = (style & ~wxBORDER_MASK) \| wxSUNKEN_BORDER ;
	103
	104	if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL \| wxVSCROLL), validator, name ) )
	105	return false;
	106
	107	if ( m_windowStyle & wxTE_MULTILINE )
	108	{
	109	// always turn on this style for multi-line controls
	110	m_windowStyle \|= wxTE_PROCESS_ENTER;
	111	style \|= wxTE_PROCESS_ENTER ;
	112	}
	113
	114
	115	SetPeer(wxWidgetImpl::CreateTextControl( this, GetParent(), GetId(), str, pos, size, style, GetExtraStyle() ));
	116
	117	MacPostControlCreate(pos, size) ;
	118
	119	#if wxOSX_USE_COCOA
	120	// under carbon everything can already be set before the MacPostControlCreate embedding takes place
	121	// but under cocoa for single line textfields this only works after everything has been set up
	122	GetTextPeer()->SetStringValue(str);
	123	#endif
	124
	125	// only now the embedding is correct and we can do a positioning update
	126
	127	MacSuperChangedPosition() ;
	128
	129	if ( m_windowStyle & wxTE_READONLY)
	130	SetEditable( false ) ;
	131
	132	SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
	133
	134	return true;
	135	}
	136
	137	void wxTextCtrl::MacSuperChangedPosition()
	138	{
	139	wxWindow::MacSuperChangedPosition() ;
	140	#if wxOSX_USE_CARBON
	141	GetPeer()->SuperChangedPosition() ;
	142	#endif
	143	}
	144
	145	void wxTextCtrl::MacVisibilityChanged()
	146	{
	147	#if wxOSX_USE_CARBON
	148	GetPeer()->VisibilityChanged( GetPeer()->IsVisible() );
	149	#endif
	150	}
	151
	152	void wxTextCtrl::MacCheckSpelling(bool check)
	153	{
	154	GetTextPeer()->CheckSpelling(check);
	155	}
	156
	157	bool wxTextCtrl::SetFont( const wxFont& font )
	158	{
	159	if ( !wxTextCtrlBase::SetFont( font ) )
	160	return false ;
	161
	162	GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle(), false /* dont ignore black */ ) ;
	163
	164	return true ;
	165	}
	166
	167	bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
	168	{
	169	if (GetTextPeer())
	170	GetTextPeer()->SetStyle( start , end , style ) ;
	171
	172	return true ;
	173	}
	174
	175	bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
	176	{
	177	wxTextCtrlBase::SetDefaultStyle( style ) ;
	178	SetStyle( -1 /current selection/ , -1 /current selection/ , GetDefaultStyle() ) ;
	179
	180	return true ;
	181	}
	182
	183	bool wxTextCtrl::IsModified() const
	184	{
	185	return m_dirty;
	186	}
	187
	188	bool wxTextCtrl::AcceptsFocus() const
	189	{
	190	// we don't want focus if we can't be edited
	191	return /IsEditable() && / wxControl::AcceptsFocus();
	192	}
	193
	194	wxSize wxTextCtrl::DoGetBestSize() const
	195	{
	196	if (GetTextPeer())
	197	{
	198	wxSize size = GetTextPeer()->GetBestSize();
	199	if (size.x > 0 && size.y > 0)
	200	return size;
	201	}
	202
	203	int wText, hText;
	204
	205	// these are the numbers from the HIG:
	206	// we reduce them by the borders first
	207	wText = 100 ;
	208
	209	switch ( m_windowVariant )
	210	{
	211	case wxWINDOW_VARIANT_NORMAL :
	212	hText = 22 - 6 ;
	213	break ;
	214
	215	case wxWINDOW_VARIANT_SMALL :
	216	hText = 19 - 6 ;
	217	break ;
	218
	219	case wxWINDOW_VARIANT_MINI :
	220	hText = 15 - 6 ;
	221	break ;
	222
	223	default :
	224	hText = 22 - 6;
	225	break ;
	226	}
	227
	228	// as the above numbers have some free space around the text
	229	// we get 5 lines like this anyway
	230	if ( m_windowStyle & wxTE_MULTILINE )
	231	hText *= 5 ;
	232
	233	if ( !HasFlag(wxNO_BORDER) )
	234	hText += 6 ;
	235
	236	return wxSize(wText, hText);
	237	}
	238
	239	bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
	240	{
	241	return GetTextPeer()->GetStyle(position, style);
	242	}
	243
	244	void wxTextCtrl::MarkDirty()
	245	{
	246	m_dirty = true;
	247	}
	248
	249	void wxTextCtrl::DiscardEdits()
	250	{
	251	m_dirty = false;
	252	}
	253
	254	int wxTextCtrl::GetNumberOfLines() const
	255	{
	256	return GetTextPeer()->GetNumberOfLines() ;
	257	}
	258
	259	long wxTextCtrl::XYToPosition(long x, long y) const
	260	{
	261	return GetTextPeer()->XYToPosition( x , y ) ;
	262	}
	263
	264	bool wxTextCtrl::PositionToXY(long pos, long x, long y) const
	265	{
	266	return GetTextPeer()->PositionToXY( pos , x , y ) ;
	267	}
	268
	269	void wxTextCtrl::ShowPosition(long pos)
	270	{
	271	return GetTextPeer()->ShowPosition(pos) ;
	272	}
	273
	274	int wxTextCtrl::GetLineLength(long lineNo) const
	275	{
	276	return GetTextPeer()->GetLineLength(lineNo) ;
	277	}
	278
	279	wxString wxTextCtrl::GetLineText(long lineNo) const
	280	{
	281	return GetTextPeer()->GetLineText(lineNo) ;
	282	}
	283
	284	void wxTextCtrl::Copy()
	285	{
	286	if (CanCopy())
	287	{
	288	wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_COPY, GetId());
	289	evt.SetEventObject(this);
	290	if (!GetEventHandler()->ProcessEvent(evt))
	291	{
	292	wxTextEntry::Copy();
	293	}
	294	}
	295	}
	296
	297	void wxTextCtrl::Cut()
	298	{
	299	if (CanCut())
	300	{
	301	wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_CUT, GetId());
	302	evt.SetEventObject(this);
	303	if (!GetEventHandler()->ProcessEvent(evt))
	304	{
	305	wxTextEntry::Cut();
	306
	307	SendTextUpdatedEvent();
	308	}
	309	}
	310	}
	311
	312	void wxTextCtrl::Paste()
	313	{
	314	if (CanPaste())
	315	{
	316	wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_PASTE, GetId());
	317	evt.SetEventObject(this);
	318	if (!GetEventHandler()->ProcessEvent(evt))
	319	{
	320	wxTextEntry::Paste();
	321
	322	// TODO: eventually we should add setting the default style again
	323	SendTextUpdatedEvent();
	324	}
	325	}
	326	}
	327
	328	void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
	329	{
	330	// By default, load the first file into the text window.
	331	if (event.GetNumberOfFiles() > 0)
	332	LoadFile( event.GetFiles()[0] );
	333	}
	334
	335	void wxTextCtrl::OnKeyDown(wxKeyEvent& event)
	336	{
	337	if ( event.GetModifiers() == wxMOD_CONTROL )
	338	{
	339	switch( event.GetKeyCode() )
	340	{
	341	case 'A':
	342	SelectAll();
	343	return;
	344	case 'C':
	345	if ( CanCopy() )
	346	Copy() ;
	347	return;
	348	case 'V':
	349	if ( CanPaste() )
	350	Paste() ;
	351	return;
	352	case 'X':
	353	if ( CanCut() )
	354	Cut() ;
	355	return;
	356	default:
	357	break;
	358	}
	359	}
	360	// no, we didn't process it
	361	event.Skip();
	362	}
	363
	364	void wxTextCtrl::OnChar(wxKeyEvent& event)
	365	{
	366	int key = event.GetKeyCode() ;
	367	bool eat_key = false ;
	368	long from, to;
	369
	370	if ( !IsEditable() && !event.IsKeyInCategory(WXK_CATEGORY_ARROW \| WXK_CATEGORY_TAB) &&
	371	!( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) \|\| (m_windowStyle & wxTE_MULTILINE) ) )
	372	// && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
	373	)
	374	{
	375	// eat it
	376	return ;
	377	}
	378
	379	if ( !GetTextPeer()->CanClipMaxLength() )
	380	{
	381	// Check if we have reached the max # of chars (if it is set), but still
	382	// allow navigation and deletion
	383	GetSelection( &from, &to );
	384	if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
	385	!event.IsKeyInCategory(WXK_CATEGORY_ARROW \| WXK_CATEGORY_TAB \| WXK_CATEGORY_CUT) &&
	386	!( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) ) &&
	387	from == to )
	388	{
	389	// eat it, we don't want to add more than allowed # of characters
	390
	391	// TODO: generate EVT_TEXT_MAXLEN()
	392	return;
	393	}
	394	}
	395
	396	// assume that any key not processed yet is going to modify the control
	397	m_dirty = true;
	398
	399	switch ( key )
	400	{
	401	case WXK_RETURN:
	402	if (m_windowStyle & wxTE_PROCESS_ENTER)
	403	{
	404	wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
	405	event.SetEventObject( this );
	406	event.SetString( GetValue() );
	407	if ( HandleWindowEvent(event) )
	408	return;
	409	}
	410
	411	if ( !(m_windowStyle & wxTE_MULTILINE) )
	412	{
	413	wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
	414	if ( tlw && tlw->GetDefaultItem() )
	415	{
	416	wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
	417	if ( def && def->IsEnabled() )
	418	{
	419	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
	420	event.SetEventObject(def);
	421	def->Command(event);
	422
	423	return ;
	424	}
	425	}
	426
	427	// this will make wxWidgets eat the ENTER key so that
	428	// we actually prevent line wrapping in a single line text control
	429	eat_key = true;
	430	}
	431	break;
	432
	433	case WXK_TAB:
	434	if ( !(m_windowStyle & wxTE_PROCESS_TAB))
	435	{
	436	int flags = 0;
	437	if (!event.ShiftDown())
	438	flags \|= wxNavigationKeyEvent::IsForward ;
	439	if (event.ControlDown())
	440	flags \|= wxNavigationKeyEvent::WinChange ;
	441	Navigate(flags);
	442
	443	return;
	444	}
	445	else
	446	{
	447	// This is necessary (don't know why);
	448	// otherwise the tab will not be inserted.
	449	WriteText(wxT("\t"));
	450	eat_key = true;
	451	}
	452	break;
	453
	454	default:
	455	break;
	456	}
	457
	458	if (!eat_key)
	459	{
	460	// perform keystroke handling
	461	event.Skip(true) ;
	462	}
	463
	464	// osx_cocoa sends its event upon insertText
	465	#if wxOSX_USE_CARBON
	466	if ( ( key >= 0x20 && key < WXK_START ) \|\|
	467	( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) \|\|
	468	key == WXK_RETURN \|\|
	469	key == WXK_DELETE \|\|
	470	key == WXK_BACK)
	471	{
	472	wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
	473	event1.SetEventObject( this );
	474	wxPostEvent( GetEventHandler(), event1 );
	475	}
	476	#endif
	477	}
	478
	479	void wxTextCtrl::Command(wxCommandEvent & event)
	480	{
	481	SetValue(event.GetString());
	482	ProcessCommand(event);
	483	}
	484
	485	// ----------------------------------------------------------------------------
	486	// standard handlers for standard edit menu events
	487	// ----------------------------------------------------------------------------
	488
	489	// CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
	490
	491	void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
	492	{
	493	Cut();
	494	}
	495
	496	void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
	497	{
	498	Copy();
	499	}
	500
	501	void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
	502	{
	503	Paste();
	504	}
	505
	506	void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
	507	{
	508	Undo();
	509	}
	510
	511	void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
	512	{
	513	Redo();
	514	}
	515
	516	void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
	517	{
	518	long from, to;
	519
	520	GetSelection( &from, &to );
	521	if (from != -1 && to != -1)
	522	Remove( from, to );
	523	}
	524
	525	void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
	526	{
	527	SetSelection(-1, -1);
	528	}
	529
	530	void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
	531	{
	532	event.Enable( CanCut() );
	533	}
	534
	535	void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
	536	{
	537	event.Enable( CanCopy() );
	538	}
	539
	540	void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
	541	{
	542	event.Enable( CanPaste() );
	543	}
	544
	545	void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
	546	{
	547	event.Enable( CanUndo() );
	548	}
	549
	550	void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
	551	{
	552	event.Enable( CanRedo() );
	553	}
	554
	555	void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
	556	{
	557	long from, to;
	558
	559	GetSelection( &from, &to );
	560	event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
	561	}
	562
	563	void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
	564	{
	565	event.Enable(GetLastPosition() > 0);
	566	}
	567
	568	void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
	569	{
	570	if ( GetTextPeer()->HasOwnContextMenu() )
	571	{
	572	event.Skip() ;
	573	return ;
	574	}
	575
	576	#if wxUSE_MENUS
	577	if (m_privateContextMenu == NULL)
	578	{
	579	m_privateContextMenu = new wxMenu;
	580	m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
	581	m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
	582	m_privateContextMenu->AppendSeparator();
	583	m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
	584	m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
	585	m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
	586	m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
	587	m_privateContextMenu->AppendSeparator();
	588	m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
	589	}
	590
	591	PopupMenu(m_privateContextMenu);
	592	#endif
	593	}
	594
	595	bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
	596	{
	597	if ( !GetTextPeer()->SetupCursor( pt ) )
	598	return wxWindow::MacSetupCursor( pt ) ;
	599	else
	600	return true ;
	601	}
	602
	603	bool wxTextCtrl::SetHint(const wxString& hint)
	604	{
	605	m_hintString = hint;
	606
	607	if ( GetTextPeer() && GetTextPeer()->SetHint(hint) )
	608	return true;
	609
	610	return false;
	611	}
	612
	613	wxString wxTextCtrl::GetHint() const
	614	{
	615	return m_hintString;
	616	}
	617
	618	// ----------------------------------------------------------------------------
	619	// implementation base class
	620	// ----------------------------------------------------------------------------
	621
	622	bool wxTextWidgetImpl::GetStyle(long WXUNUSED(position),
	623	wxTextAttr& WXUNUSED(style))
	624	{
	625	return false;
	626	}
	627
	628	void wxTextWidgetImpl::SetStyle(long WXUNUSED(start),
	629	long WXUNUSED(end),
	630	const wxTextAttr& WXUNUSED(style))
	631	{
	632	}
	633
	634	void wxTextWidgetImpl::Copy()
	635	{
	636	}
	637
	638	void wxTextWidgetImpl::Cut()
	639	{
	640	}
	641
	642	void wxTextWidgetImpl::Paste()
	643	{
	644	}
	645
	646	bool wxTextWidgetImpl::CanPaste() const
	647	{
	648	return false ;
	649	}
	650
	651	void wxTextWidgetImpl::SetEditable(bool WXUNUSED(editable))
	652	{
	653	}
	654
	655	long wxTextWidgetImpl::GetLastPosition() const
	656	{
	657	return GetStringValue().length() ;
	658	}
	659
	660	void wxTextWidgetImpl::Replace( long from , long to , const wxString &val )
	661	{
	662	SetSelection( from , to ) ;
	663	WriteText( val ) ;
	664	}
	665
	666	void wxTextWidgetImpl::Remove( long from , long to )
	667	{
	668	SetSelection( from , to ) ;
	669	WriteText( wxEmptyString) ;
	670	}
	671
	672	void wxTextWidgetImpl::Clear()
	673	{
	674	SetStringValue( wxEmptyString ) ;
	675	}
	676
	677	bool wxTextWidgetImpl::CanUndo() const
	678	{
	679	return false ;
	680	}
	681
	682	void wxTextWidgetImpl::Undo()
	683	{
	684	}
	685
	686	bool wxTextWidgetImpl::CanRedo() const
	687	{
	688	return false ;
	689	}
	690
	691	void wxTextWidgetImpl::Redo()
	692	{
	693	}
	694
	695	long wxTextWidgetImpl::XYToPosition(long WXUNUSED(x), long WXUNUSED(y)) const
	696	{
	697	return 0 ;
	698	}
	699
	700	bool wxTextWidgetImpl::PositionToXY(long WXUNUSED(pos),
	701	long *WXUNUSED(x),
	702	long *WXUNUSED(y)) const
	703	{
	704	return false ;
	705	}
	706
	707	void wxTextWidgetImpl::ShowPosition( long WXUNUSED(pos) )
	708	{
	709	}
	710
	711	int wxTextWidgetImpl::GetNumberOfLines() const
	712	{
	713	wxString content = GetStringValue() ;
	714	ItemCount lines = 1;
	715
	716	for (size_t i = 0; i < content.length() ; i++)
	717	{
	718	#if wxOSX_USE_COCOA
	719	if (content[i] == '\n')
	720	#else
	721	if (content[i] == '\r')
	722	#endif
	723	lines++;
	724	}
	725
	726	return lines ;
	727	}
	728
	729	wxString wxTextWidgetImpl::GetLineText(long lineNo) const
	730	{
	731	// TODO: change this if possible to reflect real lines
	732	wxString content = GetStringValue() ;
	733
	734	// Find line first
	735	int count = 0;
	736	for (size_t i = 0; i < content.length() ; i++)
	737	{
	738	if (count == lineNo)
	739	{
	740	// Add chars in line then
	741	wxString tmp;
	742
	743	for (size_t j = i; j < content.length(); j++)
	744	{
	745	if (content[j] == '\n')
	746	return tmp;
	747
	748	tmp += content[j];
	749	}
	750
	751	return tmp;
	752	}
	753
	754	if (content[i] == '\n')
	755	count++;
	756	}
	757
	758	return wxEmptyString ;
	759	}
	760
	761	int wxTextWidgetImpl::GetLineLength(long lineNo) const
	762	{
	763	// TODO: change this if possible to reflect real lines
	764	wxString content = GetStringValue() ;
	765
	766	// Find line first
	767	int count = 0;
	768	for (size_t i = 0; i < content.length() ; i++)
	769	{
	770	if (count == lineNo)
	771	{
	772	// Count chars in line then
	773	count = 0;
	774	for (size_t j = i; j < content.length(); j++)
	775	{
	776	if (content[j] == '\n')
	777	return count;
	778
	779	count++;
	780	}
	781
	782	return count;
	783	}
	784
	785	if (content[i] == '\n')
	786	count++;
	787	}
	788
	789	return 0 ;
	790	}
	791
	792	#endif // wxUSE_TEXTCTRL