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Added cut/copy to pierre's paste work and sync'd the work done in textWidget to that in textAreaWidget so both now support cut/copy/paste the same way (though the code isn't shared).
This commit is contained in:
pinkerton%netscape.com
parent
591cad7c9e
commit
6a22af3691
@ -23,6 +23,7 @@
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#include "nsGUIEvent.h"
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#include "nsString.h"
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#include <memory>
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#include <ToolUtils.h>
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#define DBG 0
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@ -30,6 +31,27 @@ NS_IMPL_ADDREF(nsTextAreaWidget);
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NS_IMPL_RELEASE(nsTextAreaWidget);
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//-------------------------------------------------------------------------
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// ¥ NOTE ABOUT MENU HANDLING ¥
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//
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// The definitions below, as well as the NS_MENU_SELECTED code in
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// DispatchEvent() are temporary hacks only. They require the menu
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// resources to be created under Contructor with the standard
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// PowerPlant menu IDs. All that will go away because:
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// - nsTextWidget will be rewritten as an XP widget by the Editor team.
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// - menu handling will be rewritten by the XPApp team.
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//-------------------------------------------------------------------------
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#include <Scrap.h>
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#include <PP_Messages.h> // for PP standard menu commands
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enum
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{
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menu_Apple = 128,
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menu_File,
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menu_Edit
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};
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/**-------------------------------------------------------------------------------
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* nsTextAreaWidget Constructor
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* @update dc 09/10/98
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@ -231,43 +253,138 @@ GrafPtr theport;
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}
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//-------------------------------------------------------------------------
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PRBool nsTextAreaWidget::DispatchWindowEvent(nsGUIEvent &event)
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PRBool nsTextAreaWidget::DispatchWindowEvent(nsGUIEvent &aEvent)
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{
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PRBool keyHandled = nsWindow::DispatchWindowEvent(event);
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PRBool keyHandled = nsWindow::DispatchWindowEvent(aEvent);
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if (! keyHandled)
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{
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if (event.eventStructType == NS_KEY_EVENT)
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{
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if (event.message == NS_KEY_DOWN)
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switch ( aEvent.message )
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{
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char theChar;
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short theModifiers;
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EventRecord* theOSEvent = (EventRecord*)event.nativeMsg;
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if (theOSEvent)
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case NS_KEY_DOWN:
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{
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theChar = (theOSEvent->message & charCodeMask);
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theModifiers = theOSEvent->modifiers;
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}
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else
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{
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nsKeyEvent* keyEvent = (nsKeyEvent*)&event;
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theChar = keyEvent->keyCode;
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if (keyEvent->isShift)
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theModifiers = shiftKey;
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if (keyEvent->isControl)
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theModifiers |= controlKey;
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if (keyEvent->isAlt)
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theModifiers |= optionKey;
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}
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if (theChar != NS_VK_RETURN) // don't pass Return: nsTextAreaWidget is a single line editor
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{
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PrimitiveKeyDown(theChar, theModifiers);
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keyHandled = PR_TRUE;
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}
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}
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}
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}
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char theChar;
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short theModifiers;
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EventRecord* theOSEvent = (EventRecord*)aEvent.nativeMsg;
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if (theOSEvent)
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{
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theChar = (theOSEvent->message & charCodeMask);
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theModifiers = theOSEvent->modifiers;
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}
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else
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{
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nsKeyEvent* keyEvent = (nsKeyEvent*)&aEvent;
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theChar = keyEvent->keyCode;
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if (keyEvent->isShift)
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theModifiers = shiftKey;
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if (keyEvent->isControl)
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theModifiers |= controlKey;
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if (keyEvent->isAlt)
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theModifiers |= optionKey;
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}
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if (theChar != NS_VK_RETURN) // don't pass Return: nsTextAreaWidget is a single line editor
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{
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PrimitiveKeyDown(theChar, theModifiers);
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keyHandled = PR_TRUE;
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}
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break;
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}
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case NS_MENU_SELECTED:
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{
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nsMenuEvent* menuEvent = (nsMenuEvent*)&aEvent;
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long menuID = HiWord(menuEvent->mCommand);
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long menuItem = LoWord(menuEvent->mCommand);
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switch (menuID)
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{
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case menu_Edit:
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{
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switch (menuItem)
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{
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// case cmd_Undo:
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case cmd_Cut:
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case cmd_Copy:
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{
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PRUint32 startSel = 0, endSel = 0;
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GetSelection ( &startSel, &endSel );
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if ( startSel != endSel ) {
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const Uint32 selectionLen = (endSel - startSel) + 1;
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// extract out the selection into a different nsString so
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// we can keep it unicode as long as possible
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PRUint32 unused = 0;
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nsString str, selection;
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GetText ( str, 0, unused );
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str.Mid ( selection, startSel, (endSel-startSel)+1 );
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// now |selection| holds the current selection in unicode.
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// We need to convert it to a c-string for MacOS.
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auto_ptr<char> cRepOfSelection ( new char[selection.Length() + 1] );
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selection.ToCString ( cRepOfSelection.get(), selectionLen );
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// copy it to the scrapMgr
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::ZeroScrap();
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::PutScrap ( selectionLen, 'TEXT', cRepOfSelection.get() );
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// if we're cutting, remove the text from the widget
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if ( menuItem == cmd_Cut ) {
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unused = 0;
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str.Cut ( startSel, selectionLen );
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SetText ( str, unused );
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}
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} // if there is a selection
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break;
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}
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case cmd_Paste:
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{
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long scrapOffset;
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Handle scrapH = ::NewHandle(0);
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long scrapLen = ::GetScrap(scrapH, 'TEXT', &scrapOffset);
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if (scrapLen > 0)
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{
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::HLock(scrapH);
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// truncate to the first line
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char* cr = strchr((char*)*scrapH, '\r');
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if (cr != nil)
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scrapLen = cr - *scrapH;
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// paste text
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nsString str;
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str.SetString((char*)*scrapH, scrapLen);
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PRUint32 startSel, endSel;
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GetSelection(&startSel, &endSel);
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PRUint32 outSize;
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InsertText(str, startSel, endSel, outSize);
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::HUnlock(scrapH);
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}
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::DisposeHandle(scrapH);
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break;
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}
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case cmd_Clear:
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{
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nsString str;
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PRUint32 outSize;
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SetText(str, outSize);
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break;
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}
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case cmd_SelectAll:
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{
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SelectAll();
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break;
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}
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}
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break;
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}
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}
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break;
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} // case NS_MENU_SELECTED
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} // switch on which event message
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} // if key event not handled
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return (keyHandled);
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}
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@ -171,8 +171,41 @@ PRBool nsTextWidget::DispatchWindowEvent(nsGUIEvent &aEvent)
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switch (menuItem)
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{
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// case cmd_Undo:
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// case cmd_Cut: //¥TODO
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// case cmd_Copy: //¥TODO
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case cmd_Cut:
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case cmd_Copy:
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{
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PRUint32 startSel = 0, endSel = 0;
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GetSelection ( &startSel, &endSel );
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if ( startSel != endSel ) {
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const Uint32 selectionLen = (endSel - startSel) + 1;
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// extract out the selection into a different nsString so
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// we can keep it unicode as long as possible
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PRUint32 unused = 0;
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nsString str, selection;
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GetText ( str, 0, unused );
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str.Mid ( selection, startSel, (endSel-startSel)+1 );
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// now |selection| holds the current selection in unicode.
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// We need to convert it to a c-string for MacOS.
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auto_ptr<char> cRepOfSelection ( new char[selection.Length() + 1] );
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selection.ToCString ( cRepOfSelection.get(), selectionLen );
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// copy it to the scrapMgr
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::ZeroScrap();
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::PutScrap ( selectionLen, 'TEXT', cRepOfSelection.get() );
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// if we're cutting, remove the text from the widget
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if ( menuItem == cmd_Cut ) {
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unused = 0;
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str.Cut ( startSel, selectionLen );
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SetText ( str, unused );
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}
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} // if there is a selection
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break;
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}
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case cmd_Paste:
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{
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long scrapOffset;
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@ -197,6 +230,7 @@ PRBool nsTextWidget::DispatchWindowEvent(nsGUIEvent &aEvent)
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::HUnlock(scrapH);
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}
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::DisposeHandle(scrapH);
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break;
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}
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case cmd_Clear:
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@ -216,7 +250,7 @@ PRBool nsTextWidget::DispatchWindowEvent(nsGUIEvent &aEvent)
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}
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}
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break;
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}
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} // case NS_MENU_SELECTED
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case NS_GOTFOCUS:
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{
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