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Handle cut & paste in a dialog window

Posted on 1999-01-01
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Last Modified: 2013-12-26
how should I handle cut & paste in a dialog windows edit text controls?

void do_edit_cmds(short the_item)
{
 
  switch( the_item )
  {
     case editUNDO:
        if(SystemEdit( the_item - 1) )
         ;
        break;
     case editCUT:
        if(SystemEdit( the_item - 1) )
        ;//SysBeep(10);
        break;
     case editCOPY:
        if(SystemEdit( the_item - 1) )
        ;
        break;
    case editPASTE:
       if(SystemEdit( the_item - 1) )
       ;
       break;
    case editCLEAR:
       if(SystemEdit( the_item - 1) )
       ;
       break;
    case editSELECT_ALL:
       if(SystemEdit( the_item - 1) )
       ;
       break;
    case editPREFERENCE:
       Handle_Preferences();
       break;    
 }
}
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Question by:gailp
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2 Comments
 
LVL 3

Accepted Solution

by:
boonstra earned 50 total points
ID: 1291689
You want to use the routines DialogCut, DialogCopy, and DialogPaste, each of which takes a single parameter, a pointer to the dialog you want to cut/copy/paste from.

Without seeing more of your event loop, it is difficult to provide specific code.  Assuming you are talking about a modeless dialog, if you know that your dialog is the frontmost window when you enter do_edit_cmds, you can simply:

WindowPtr wind;

wind = FrontWindow();
switch (the_item) {
  case editCut:
    DialogCut(wind);
    break;
  case editCopy:
    DialogCopy(wind);
    break;
  case editPaste:
    DialogPaste(wind);
    break;
}

You do not need to provide the item being edited, as the DialogManager already knows that and does the right thing.

If it is possible that some other window is frontmost when you call do_edit_cmds, then you'll want to use something like:

  case editCut:
    if (IsMyDialogWindow(wind)) DialogCut(wind);
    break;

where IsMyDialogWindow is code you provide to determine whether wind is one of your dialogs.
0
 

Author Comment

by:gailp
ID: 1291690
This answer worked for me.

Thank You for your help.
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