+ #include <stat.h>
+#endif
+#include <fstream.h>
+
+#include "wx/app.h"
+#include "wx/dc.h"
+#include "wx/button.h"
+#include "wx/toplevel.h"
+#include "wx/textctrl.h"
+#include "wx/notebook.h"
+#include "wx/tabctrl.h"
+#include "wx/settings.h"
+#include "wx/filefn.h"
+#include "wx/utils.h"
+
+#if defined(__BORLANDC__) && !defined(__WIN32__)
+ #include <alloc.h>
+#elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
+ #include <malloc.h>
+#endif
+
+#ifndef __DARWIN__
+#include <Scrap.h>
+#include <MacTextEditor.h>
+#endif
+#include "wx/mac/uma.h"
+
+#define wxUSE_MLTE 0
+
+#if wxUSE_MLTE == 0 // old textctrl implementation
+
+#if !USE_SHARED_LIBRARY
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+
+BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+ EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
+ EVT_CHAR(wxTextCtrl::OnChar)
+ 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_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)
+END_EVENT_TABLE()
+#endif
+
+// Text item
+wxTextCtrl::wxTextCtrl()
+{
+}
+
+const short kVerticalMargin = 2 ;
+const short kHorizontalMargin = 2 ;
+
+bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
+ const wxString& st,
+ const wxPoint& pos,
+ const wxSize& size, long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ // base initialization
+ if ( !CreateBase(parent, id, pos, size, style, validator, name) )
+ return FALSE;
+
+ wxSize mySize = size ;
+ if ( UMAHasAppearance() )
+ {
+ m_macHorizontalBorder = 5 ; // additional pixels around the real control
+ m_macVerticalBorder = 5 ;
+ }
+ else
+ {
+ m_macHorizontalBorder = 0 ; // additional pixels around the real control
+ m_macVerticalBorder = 0 ;
+ }
+
+
+ Rect bounds ;
+ Str255 title ;
+
+ if ( mySize.y == -1 )
+ {
+ if ( UMAHasAppearance() )
+ mySize.y = 13 ;
+ else
+ mySize.y = 24 ;
+
+ mySize.y += 2 * m_macVerticalBorder ;
+ }
+
+ MacPreControlCreate( parent , id , "" , pos , mySize ,style, validator , name , &bounds , title ) ;
+
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
+ wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
+
+ m_windowStyle |= wxTE_PROCESS_ENTER;
+ }
+
+
+ m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , true , 0 , 0 , 1,
+ ( style & wxTE_PASSWORD ) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
+ MacPostControlCreate() ;
+
+ wxString value ;
+
+ {
+ TEHandle teH ;
+ long size ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ (*teH)->lineHeight = -1 ;
+ }
+
+ if( wxApp::s_macDefaultEncodingIsPC )
+ value = wxMacMakeMacStringFromPC( st ) ;
+ else
+ value = st ;
+ ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
+
+ return TRUE;
+}
+
+wxString wxTextCtrl::GetValue() const
+{
+ Size actualsize;
+ ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
+ wxBuffer[actualsize] = 0 ;
+ if( wxApp::s_macDefaultEncodingIsPC )
+ return wxMacMakePCStringFromMac( wxBuffer ) ;
+ else
+ return wxString(wxBuffer);
+}
+
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+ ControlEditTextSelectionRec selection ;
+ TEHandle teH ;
+ long size ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+
+ *from = (**teH).selStart;
+ *to = (**teH).selEnd;
+}
+
+void wxTextCtrl::SetValue(const wxString& st)
+{
+ wxString value ;
+
+ if( wxApp::s_macDefaultEncodingIsPC )
+ value = wxMacMakeMacStringFromPC( st ) ;
+ else
+ value = st ;
+ ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
+ MacRedrawControl() ;
+}
+
+// Clipboard operations
+void wxTextCtrl::Copy()
+{
+ if (CanCopy())
+ {
+ TEHandle teH ;
+ long size ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TECopy( teH ) ;
+ ClearCurrentScrap();
+ TEToScrap() ;
+ }
+}
+
+void wxTextCtrl::Cut()
+{
+ if (CanCut())
+ {
+ TEHandle teH ;
+ long size ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TECut( teH ) ;
+ ClearCurrentScrap();
+ TEToScrap() ;
+ // MacInvalidateControl() ;
+ }
+}
+
+void wxTextCtrl::Paste()
+{
+ if (CanPaste())
+ {
+ TEHandle teH ;
+ long size ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TEFromScrap() ;
+ TEPaste( teH ) ;
+ MacRedrawControl() ;
+ }
+}
+
+bool wxTextCtrl::CanCopy() const
+{
+ // Can copy if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to);
+}
+
+bool wxTextCtrl::CanCut() const
+{
+ // Can cut if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to);
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+ if (!IsEditable())
+ return FALSE;
+
+ long offset ;
+#if TARGET_CARBON
+ OSStatus err = noErr;
+ ScrapRef scrapRef;
+
+ err = GetCurrentScrap( &scrapRef );
+ if ( err != noTypeErr && err != memFullErr )
+ {
+ ScrapFlavorFlags flavorFlags;
+ Size byteCount;
+
+ if (( err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags )) == noErr)
+ {
+ if (( err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount )) == noErr)
+ {
+ return TRUE ;
+ }
+ }
+ }
+ return FALSE;
+
+#else
+ if ( GetScrap( NULL , 'TEXT' , &offset ) > 0 )
+ {
+ return TRUE ;
+ }
+#endif
+ return FALSE ;
+}
+
+void wxTextCtrl::SetEditable(bool editable)
+{
+ if ( editable )
+ UMAActivateControl( (ControlHandle) m_macControl ) ;
+ else
+ UMADeactivateControl( (ControlHandle) m_macControl ) ;
+}
+
+void wxTextCtrl::SetInsertionPoint(long pos)
+{
+ SetSelection( pos , pos ) ;
+}
+
+void wxTextCtrl::SetInsertionPointEnd()
+{
+ long pos = GetLastPosition();
+ SetInsertionPoint(pos);
+}
+
+long wxTextCtrl::GetInsertionPoint() const
+{
+ ControlEditTextSelectionRec selection ;
+ TEHandle teH ;
+ long size ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+// ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection , &size ) ;
+ return (**teH).selStart ;
+}
+
+long wxTextCtrl::GetLastPosition() const
+{
+ ControlEditTextSelectionRec selection ;
+ TEHandle teH ;
+ long size ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+
+// ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection , &size ) ;
+ return (**teH).teLength ;
+}
+
+void wxTextCtrl::Replace(long from, long to, const wxString& value)
+{
+ TEHandle teH ;
+ long size ;
+
+ ControlEditTextSelectionRec selection ;
+
+ selection.selStart = from ;
+ selection.selEnd = to ;
+ ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TESetSelect( from , to , teH ) ;
+ TEDelete( teH ) ;
+ TEInsert( value , value.Length() , teH ) ;
+ Refresh() ;
+}
+
+void wxTextCtrl::Remove(long from, long to)
+{
+ TEHandle teH ;
+ long size ;
+
+ ControlEditTextSelectionRec selection ;
+
+ selection.selStart = from ;
+ selection.selEnd = to ;
+ ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TEDelete( teH ) ;
+ Refresh() ;
+}
+
+void wxTextCtrl::SetSelection(long from, long to)
+{
+ ControlEditTextSelectionRec selection ;
+ TEHandle teH ;
+ long size ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+
+ selection.selStart = from ;
+ selection.selEnd = to ;
+
+ ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
+ TESetSelect( selection.selStart , selection.selEnd , teH ) ;
+}
+
+bool wxTextCtrl::LoadFile(const wxString& file)
+{
+ if ( wxTextCtrlBase::LoadFile(file) )
+ {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+void wxTextCtrl::WriteText(const wxString& text)
+{
+ TEHandle teH ;
+ long size ;
+
+ memcpy( wxBuffer, text , text.Length() ) ;
+ wxBuffer[text.Length() ] = 0 ;
+// wxMacConvertNewlines( wxBuffer , wxBuffer ) ;
+
+ ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+
+ TEInsert( wxBuffer , strlen( wxBuffer) , teH ) ;
+ Refresh() ;
+}
+
+void wxTextCtrl::AppendText(const wxString& text)
+{
+ SetInsertionPointEnd();
+ WriteText(text);
+}
+
+void wxTextCtrl::Clear()
+{
+ ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 0 , (char*) ((const char*)NULL) ) ;
+ Refresh() ;
+}
+
+bool wxTextCtrl::IsModified() const
+{
+ return TRUE;
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+ return IsEnabled();
+}
+
+bool wxTextCtrl::AcceptsFocus() const
+{
+ // we don't want focus if we can't be edited
+ return IsEditable() && wxControl::AcceptsFocus();
+}
+
+wxSize wxTextCtrl::DoGetBestSize() const
+{
+ int wText = 100 ;
+
+ int hText ;
+ if ( UMAHasAppearance() )
+ hText = 13 ;
+ else
+ hText = 24 ;
+ hText += 2 * m_macHorizontalBorder ;
+/*
+ int cx, cy;
+ wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+
+ int wText = DEFAULT_ITEM_WIDTH;
+
+ int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+
+ return wxSize(wText, hText);
+*/
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ hText *= wxMin(GetNumberOfLines(), 5);
+ }
+ //else: for single line control everything is ok
+ return wxSize(wText, hText);
+}
+
+// ----------------------------------------------------------------------------
+// Undo/redo
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Undo()
+{
+ if (CanUndo())
+ {
+ }
+}
+
+void wxTextCtrl::Redo()
+{
+ if (CanRedo())
+ {
+ }
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+ return FALSE ;
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+ return FALSE ;
+}
+
+// Makes 'unmodified'
+void wxTextCtrl::DiscardEdits()
+{
+ // TODO
+}
+
+int wxTextCtrl::GetNumberOfLines() const
+{
+ Size actualsize;
+ ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
+
+ int count = 1;
+ for (int i = 0; i < actualsize; i++)
+ {
+ if (wxBuffer[i] == '\r') count++;
+ }
+
+ return count;
+}
+
+long wxTextCtrl::XYToPosition(long x, long y) const
+{
+ // TODO
+ return 0;
+}
+
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+{
+ return FALSE ;
+}
+
+void wxTextCtrl::ShowPosition(long pos)
+{
+ // TODO
+}
+
+int wxTextCtrl::GetLineLength(long lineNo) const
+{
+ Size actualsize;
+ ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
+
+ // Find line first
+ int count = 0;
+ for (int i = 0; i < actualsize; i++)
+ {
+ if (count == lineNo)
+ {
+ // Count chars in line then
+ count = 0;
+ for (int j = i; j < actualsize; j++)
+ {
+ count++;
+ if (wxBuffer[j] == '\r') return count;
+ }
+
+ return count;
+ }
+ if (wxBuffer[i] == '\r') count++;
+ }
+
+ return 0;
+}
+
+wxString wxTextCtrl::GetLineText(long lineNo) const
+{
+ Size actualsize;
+ ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
+
+ // Find line first
+ int count = 0;
+ for (int i = 0; i < actualsize; i++)
+ {
+ if (count == lineNo)
+ {
+ // Add chars in line then
+ wxString tmp("");
+
+ for (int j = i; j < actualsize; j++)
+ {
+ if (wxBuffer[j] == '\r')
+ return tmp;
+
+ tmp += wxBuffer[j];
+ }
+
+ return tmp;
+ }
+ if (wxBuffer[i] == '\r') count++;
+ }
+
+ return wxString("");
+}
+
+/*
+ * Text item
+ */
+
+void wxTextCtrl::Command(wxCommandEvent & event)
+{
+ SetValue (event.GetString());
+ ProcessCommand (event);
+}
+
+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::OnChar(wxKeyEvent& key_event)
+{
+ bool eat_key = FALSE;
+
+ switch ( key_event.KeyCode() )
+ {
+ case WXK_RETURN:
+ if (m_windowStyle & wxPROCESS_ENTER)
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+ event.SetEventObject( this );
+ event.SetString( GetValue() );
+ if ( GetEventHandler()->ProcessEvent(event) )
+ return;
+ }
+ if ( !(m_windowStyle & wxTE_MULTILINE) )
+ {
+ wxWindow *parent = GetParent();
+ while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
+ parent = parent->GetParent() ;
+ }
+ if ( parent && parent->GetDefaultItem() )
+ {
+ wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
+ wxButton);
+ if ( def && def->IsEnabled() )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
+ event.SetEventObject(def);
+ def->Command(event);
+ return ;
+ }
+ }
+
+ // this will make wxWindows eat the ENTER key so that
+ // we actually prevent line wrapping in a single line
+ // text control
+ eat_key = TRUE;
+ }
+
+ break;
+
+ case WXK_TAB:
+ // always produce navigation event - even if we process TAB
+ // ourselves the fact that we got here means that the user code
+ // decided to skip processing of this TAB - probably to let it
+ // do its default job.
+ {
+ wxNavigationKeyEvent eventNav;
+ eventNav.SetDirection(!key_event.ShiftDown());
+ eventNav.SetWindowChange(key_event.ControlDown());
+ eventNav.SetEventObject(this);
+
+ if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+ return;
+
+ key_event.Skip() ;
+ return;
+ }
+ break;
+ }
+
+ EventRecord *ev = (EventRecord*) wxTheApp->MacGetCurrentEvent();
+ short keychar = short(ev->message & charCodeMask);
+ if (!eat_key)
+ {
+ short keycode = short(ev->message & keyCodeMask) >> 8 ;
+ ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers );
+ }
+ if ( keychar >= 0x20 ||
+ key_event.KeyCode() == WXK_RETURN ||
+ key_event.KeyCode() == WXK_DELETE ||
+ key_event.KeyCode() == WXK_BACK)
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
+ event.SetString( GetValue() ) ;
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// standard handlers for standard edit menu events
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::OnCut(wxCommandEvent& event)
+{
+ Cut();
+}
+
+void wxTextCtrl::OnCopy(wxCommandEvent& event)
+{
+ Copy();
+}
+
+void wxTextCtrl::OnPaste(wxCommandEvent& event)
+{
+ Paste();
+}
+
+void wxTextCtrl::OnUndo(wxCommandEvent& event)
+{
+ Undo();
+}
+
+void wxTextCtrl::OnRedo(wxCommandEvent& event)
+{
+ Redo();
+}
+
+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() );
+}
+
+#else
+
+extern wxApp *wxTheApp ;
+// CS:We will replace the TextEdit by using the MultiLanguageTextEngine based on the following code written by apple
+
+/*
+ File: mUPControl.c
+
+ Description:
+ mUPControl implementation.
+
+ Copyright:
+ © Copyright 2000 Apple Computer, Inc. All rights reserved.
+
+ Disclaimer:
+ IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
+ ("Apple") in consideration of your agreement to the following terms, and your
+ use, installation, modification or redistribution of this Apple software
+ constitutes acceptance of these terms. If you do not agree with these terms,
+ please do not use, install, modify or redistribute this Apple software.
+
+ In consideration of your agreement to abide by the following terms, and subject
+ to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
+ copyrights in this original Apple software (the "Apple Software"), to use,
+ reproduce, modify and redistribute the Apple Software, with or without
+ modifications, in source and/or binary forms; provided that if you redistribute
+ the Apple Software in its entirety and without modifications, you must retain
+ this notice and the following text and disclaimers in all such redistributions of
+ the Apple Software. Neither the name, trademarks, service marks or logos of
+ Apple Computer, Inc. may be used to endorse or promote products derived from the
+ Apple Software without specific prior written permission from Apple. Except as
+ expressly stated in this notice, no other rights or licenses, express or implied,
+ are granted by Apple herein, including but not limited to any patent rights that
+ may be infringed by your derivative works or by other works in which the Apple
+ Software may be incorporated.
+
+ The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
+ WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
+ WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
+ COMBINATION WITH YOUR PRODUCTS.
+
+ IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
+ OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
+ (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
+ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ Change History (most recent first):
+ Fri, Jan 28, 2000 -- created
+*/
+
+#include "MacTextEditor.h"
+
+/* part codes */
+
+/* kmUPTextPart is the part code we return to indicate the user has clicked
+ in the text area of our control */
+#define kmUPTextPart 1
+
+/* kmUPScrollPart is the part code we return to indicate the user has clicked
+ in the scroll bar part of the control. */
+#define kmUPScrollPart 2
+
+
+/* routines for using existing user pane controls.
+ These routines are useful for cases where you would like to use an
+ existing user pane control in, say, a dialog window as a scrolling
+ text edit field.*/
+
+/* mUPOpenControl initializes a user pane control so it will be drawn
+ and will behave as a scrolling text edit field inside of a window.
+ This routine performs all of the initialization steps necessary,
+ except it does not create the user pane control itself. theControl
+ should refer to a user pane control that you have either created
+ yourself or extracted from a dialog's control heirarchy using
+ the GetDialogItemAsControl routine. */
+OSStatus mUPOpenControl(ControlHandle theControl);
+
+/* mUPCloseControl deallocates all of the structures allocated
+ by mUPOpenControl. */
+OSStatus mUPCloseControl(ControlHandle theControl);
+
+
+
+/* routines for creating new scrolling text user pane controls.
+ These routines allow you to create new scrolling text
+ user pane controls. */
+
+/* mUPCreateControl creates a new user pane control and then it passes it
+ to mUPOpenControl to initialize it as a scrolling text user pane control. */
+OSStatus mUPCreateControl(WindowPtr theWindow, Rect *bounds, ControlHandle *theControl);
+
+/* mUPDisposeControl calls mUPCloseControl and then it calls DisposeControl. */
+OSStatus mUPDisposeControl(ControlHandle theControl);
+
+
+/* Utility Routines */
+
+ /* mUPSetText replaces the contents of the selection with the unicode
+ text described by the text and count parameters:.
+ text = pointer to unicode text buffer
+ count = number of bytes in the buffer. */
+OSStatus mUPSetText(ControlHandle theControl, char* text, long count);
+
+/* mUPGetText returns the current text data being displayed inside of
+ the mUPControl. When noErr is returned, *theText contain a new
+ handle containing all of the Unicode text copied from the current
+ selection. It is the caller's responsibiliby to dispose of this handle. */
+OSStatus mUPGetText(ControlHandle theControl, Handle *theText);
+
+
+/* mUPSetSelection sets the text selection and autoscrolls the text view
+ so either the cursor or the selction is in the view. */
+void mUPSetSelection(ControlHandle theControl, long selStart, long selEnd);
+
+
+
+/* IsmUPControl returns true if theControl is not NULL
+ and theControl refers to a mUP Control. */
+Boolean IsmUPControl(ControlHandle theControl);
+
+
+
+/* Edit commands for mUP Controls. */
+enum {
+ kmUPCut = 1,
+ kmUPCopy = 2,
+ kmUPPaste = 3,
+ kmUPClear = 4
+};
+
+
+/* mUPDoEditCommand performs the editing command specified
+ in the editCommand parameter. The mUPControl's text
+ and scroll bar are redrawn and updated as necessary. */
+void mUPDoEditCommand(ControlHandle theControl, short editCommand);
+
+
+
+
+/* mUPGetContents returns the entire contents of the control including the text
+ and the formatting information. */
+OSStatus mUPGetContents(ControlHandle theControl, Handle *theContents);
+/* mUPSetContents replaces the contents of the selection with the data stored in the handle. */
+OSStatus mUPSetContents(ControlHandle theControl, Handle theContents);
+
+enum {
+ kShiftKeyCode = 56
+};
+
+/* kUserClickedToFocusPart is a part code we pass to the SetKeyboardFocus
+ routine. In our focus switching routine this part code is understood
+ as meaning 'the user has clicked in the control and we need to switch
+ the current focus to ourselves before we can continue'. */
+#define kUserClickedToFocusPart 100
+
+
+/* kmUPClickScrollDelayTicks is a time measurement in ticks used to
+ slow the speed of 'auto scrolling' inside of our clickloop routine.
+ This value prevents the text from wizzzzzing by while the mouse
+ is being held down inside of the text area. */
+#define kmUPClickScrollDelayTicks 3
+
+
+/* STPTextPaneVars is a structure used for storing the the mUP Control's
+ internal variables and state information. A handle to this record is
+ stored in the pane control's reference value field using the
+ SetControlReference routine. */
+
+typedef struct {
+ /* OS records referenced */
+ TXNObject fTXNRec; /* the txn record */
+ TXNFrameID fTXNFrame; /* the txn frame ID */
+ ControlHandle fUserPaneRec; /* handle to the user pane control */
+ WindowPtr fOwner; /* window containing control */
+ GrafPtr fDrawingEnvironment; /* grafport where control is drawn */
+ /* flags */
+ Boolean fInFocus; /* true while the focus rect is drawn around the control */
+ Boolean fIsActive; /* true while the control is drawn in the active state */
+ Boolean fTEActive; /* reflects the activation state of the text edit record */
+ Boolean fInDialogWindow; /* true if displayed in a dialog window */
+ /* calculated locations */
+ Rect fRTextArea; /* area where the text is drawn */
+ Rect fRFocusOutline; /* rectangle used to draw the focus box */
+ Rect fRTextOutline; /* rectangle used to draw the border */
+ RgnHandle fTextBackgroundRgn; /* background region for the text, erased before calling TEUpdate */
+ /* our focus advance override routine */
+ EventHandlerUPP handlerUPP;
+ EventHandlerRef handlerRef;
+} STPTextPaneVars;
+
+
+
+
+/* Univerals Procedure Pointer variables used by the
+ mUP Control. These variables are set up
+ the first time that mUPOpenControl is called. */
+ControlUserPaneDrawUPP gTPDrawProc = NULL;
+ControlUserPaneHitTestUPP gTPHitProc = NULL;
+ControlUserPaneTrackingUPP gTPTrackProc = NULL;
+ControlUserPaneIdleUPP gTPIdleProc = NULL;
+ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
+ControlUserPaneActivateUPP gTPActivateProc = NULL;
+ControlUserPaneFocusUPP gTPFocusProc = NULL;
+
+ /* events handled by our focus advance override routine */
+#if TARGET_CARBON
+static const EventTypeSpec gMLTEEvents[] = { { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } };
+#define kMLTEEventCount (sizeof( gMLTEEvents ) / sizeof( EventTypeSpec ))
+#endif
+
+
+/* TPActivatePaneText activates or deactivates the text edit record
+ according to the value of setActive. The primary purpose of this
+ routine is to ensure each call is only made once. */
+static void TPActivatePaneText(STPTextPaneVars **tpvars, Boolean setActive) {
+ STPTextPaneVars *varsp;
+ varsp = *tpvars;
+ if (varsp->fTEActive != setActive) {
+
+ varsp->fTEActive = setActive;
+
+ TXNActivate(varsp->fTXNRec, varsp->fTXNFrame, varsp->fTEActive);
+
+ if (varsp->fInFocus)
+ TXNFocus( varsp->fTXNRec, varsp->fTEActive);
+ }
+}
+
+
+/* TPFocusPaneText set the focus state for the text record. */
+static void TPFocusPaneText(STPTextPaneVars **tpvars, Boolean setFocus) {
+ STPTextPaneVars *varsp;
+ varsp = *tpvars;
+ if (varsp->fInFocus != setFocus) {
+ varsp->fInFocus = setFocus;
+ TXNFocus( varsp->fTXNRec, varsp->fInFocus);
+ }
+}
+
+
+/* TPPaneDrawProc is called to redraw the control and for update events
+ referring to the control. This routine erases the text area's background,
+ and redraws the text. This routine assumes the scroll bar has been
+ redrawn by a call to DrawControls. */
+static pascal void TPPaneDrawProc(ControlRef theControl, ControlPartCode thePart) {
+ STPTextPaneVars **tpvars, *varsp;
+ char state;
+ Rect bounds;
+ /* set up our globals */
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+
+ /* save the drawing state */
+ SetPort((**tpvars).fDrawingEnvironment);
+ /* verify our boundary */
+ GetControlBounds(theControl, &bounds);
+ if ( ! EqualRect(&bounds, &varsp->fRTextArea) ) {
+ SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
+ SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
+ SetRect(&varsp->fRTextArea, bounds.left, bounds.top, bounds.right, bounds.bottom);
+ RectRgn(varsp->fTextBackgroundRgn, &varsp->fRTextOutline);
+ TXNSetFrameBounds( varsp->fTXNRec, bounds.top, bounds.left, bounds.bottom, bounds.right, varsp->fTXNFrame);
+ }
+
+ /* update the text region */
+ EraseRgn(varsp->fTextBackgroundRgn);
+ TXNDraw(varsp->fTXNRec, NULL);
+ /* restore the drawing environment */
+ /* draw the text frame and focus frame (if necessary) */
+ DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
+ if ((**tpvars).fIsActive && varsp->fInFocus) DrawThemeFocusRect(&varsp->fRFocusOutline, true);
+ /* release our globals */
+ HSetState((Handle) tpvars, state);
+ }
+}
+
+
+/* TPPaneHitTestProc is called when the control manager would
+ like to determine what part of the control the mouse resides over.
+ We also call this routine from our tracking proc to determine how
+ to handle mouse clicks. */
+static pascal ControlPartCode TPPaneHitTestProc(ControlHandle theControl, Point where) {
+ STPTextPaneVars **tpvars;
+ ControlPartCode result;
+ char state;
+ /* set up our locals and lock down our globals*/
+ result = 0;
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ /* find the region where we clicked */
+ if (PtInRect(where, &(**tpvars).fRTextArea)) {
+ result = kmUPTextPart;
+ } else result = 0;
+ /* release oure globals */
+ HSetState((Handle) tpvars, state);
+ }
+ return result;
+}
+
+
+
+
+
+/* TPPaneTrackingProc is called when the mouse is being held down
+ over our control. This routine handles clicks in the text area
+ and in the scroll bar. */
+static pascal ControlPartCode TPPaneTrackingProc(ControlHandle theControl, Point startPt, ControlActionUPP actionProc) {
+ STPTextPaneVars **tpvars, *varsp;
+ char state;
+ ControlPartCode partCodeResult;
+ /* make sure we have some variables... */
+ partCodeResult = 0;
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ /* lock 'em down */
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+ /* we don't do any of these functions unless we're in focus */
+ if ( ! varsp->fInFocus) {
+ WindowPtr owner;
+ owner = GetControlOwner(theControl);
+ ClearKeyboardFocus(owner);
+ SetKeyboardFocus(owner, theControl, kUserClickedToFocusPart);
+ }
+ /* find the location for the click */
+ switch (TPPaneHitTestProc(theControl, startPt)) {
+
+ /* handle clicks in the text part */
+ case kmUPTextPart:
+ { SetPort((**tpvars).fDrawingEnvironment);
+ TXNClick( varsp->fTXNRec, GetCurrentEventRecord());
+ }
+ break;
+
+ }
+
+ HSetState((Handle) tpvars, state);
+ }
+ return partCodeResult;
+}
+
+
+/* TPPaneIdleProc is our user pane idle routine. When our text field
+ is active and in focus, we use this routine to set the cursor. */
+static pascal void TPPaneIdleProc(ControlHandle theControl) {
+ STPTextPaneVars **tpvars, *varsp;
+ /* set up locals */
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ /* if we're not active, then we have nothing to say about the cursor */
+ if ((**tpvars).fIsActive) {
+ char state;
+ Rect bounds;
+ Point mousep;
+ /* lock down the globals */
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+ /* get the current mouse coordinates (in our window) */
+#if TARGET_CARBON
+ SetPort(GetWindowPort(GetControlOwner(theControl)));
+#else
+ SetPort((GrafPtr) GetWindowPort(GetControlOwner(theControl)));