[news.eclipse.tools] Re: cut, copy, paste in StyledText Widget

["Lynne Kues" <lynne_kues@xxxxxxx>]

Well, ctrl-c worked in the first styled text widget in the example, not the
second styled text widget.

Knut is going to post more information about how to get the keys to work for
a viewpart.

"Lynne Kues" <lynne_kues@xxxxxxx> wrote in message
news:b86nee$kha$1@xxxxxxxxxxxxxxxx
> I was thinking the same thing that Veronika posted, but when I create a
> StyledTextView (per the posted code), ctrl-c works just fine.  I am using
> 2.1.  The problem is most likely related to 2.0.2.  Knut was going to
verify
> this - or maybe you can Kyle by trying things out in 2.1.
>
> "Veronika Irvine" <veronika_irvine@xxxxxxx> wrote in message
> news:b8656o$4h8$1@xxxxxxxxxxxxxxxx
> > When you created the StyledText widget in a shell, there were no
keyboard
> > accelerators defined on the shell so the StyledText widget was able to
> > provide its own keyboard accelerators.
> >
> > When you created a StyledText widget within an Eclipse shell, Eclipse
has
> > already defined keyboard acclerators for Ctrl+C, Ctrl+V etc and
therefore
> > the StyledText widget no longer is given the chance to process them.
> >
> > "kyle farnand" <kfarnand@xxxxxxxxxxxxx> wrote in message
> > news:b83man$d88$1@xxxxxxxxxxxxxxxx
> > > Thanks Knut,
> > >
> > > I have determined that StyledText widget allows CTRL-C and CTRL-V in a
> > > shell but not in a composite(i.e. in views and editors).  I have
created
> > > a simple view to illustrate my point.  Here is the code (class and
> > > plugin.xml extension):
> > >
> > > import org.eclipse.swt.SWT;
> > > import org.eclipse.swt.custom.StyledText;
> > > import org.eclipse.swt.layout.FillLayout;
> > > import org.eclipse.swt.widgets.Composite;
> > > import org.eclipse.swt.widgets.Display;
> > > import org.eclipse.swt.widgets.Shell;
> > > import org.eclipse.ui.part.ViewPart;
> > >
> > > public class StyledTextView extends ViewPart
> > > {
> > > public void createPartControl(Composite parent)
> > > {
> > >
> > >
> > >          Display display = parent.getDisplay();
> > >          final Shell shell = new Shell(display);
> > >          shell.setLayout(new FillLayout(SWT.VERTICAL));
> > >
> > >          final StyledText styledText = new StyledText(shell,
SWT.SINGLE
> > > | SWT.BORDER | SWT.READ_ONLY);
> > >          styledText.setText("StyledText widget");
> > >
> > >          shell.setSize(500, 200);
> > >          shell.open();
> > >          while (!shell.isDisposed())
> > >          {
> > >              if (!display.readAndDispatch())
> > >              {
> > >                  display.sleep();
> > >              }
> > >          }
> > >
> > >          parent.setLayout(new FillLayout(SWT.VERTICAL));
> > >          final StyledText styledText2 = new StyledText(parent,
> > > SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
> > >          styledText2.setText("StyledText widget 2");
> > >
> > >      }
> > > public void setFocus()
> > > {}
> > > }
> > >
> > >   --- add the following to plugin.xml (change the view id and class
> > > values appropriately) ---
> > >
> > > <extension point="org.eclipse.ui.views">
> > > <category
> > >              name="Sample Style Text"
> > >              description="Sample Style Text"
> > >              id="com.test.SampleStyleText">
> > >      </category>
> > > <view
> > >    id="com.YOUR_COMPANY.eclipse.views.StyledTextView"
> > >    name="Sample Styled Text"
> > >    icon="icons/view16/sections.gif"
> > >    category="com.test.SampleStyleText"
> > > class="com.YOUR_COMPANY.eclipse.views.StyledTextView">
> > > </view>
> > > </extension>
> > >
> > >
> > >
> > > Knut Radloff wrote:
> > > > In the example below I can select some text in the StyledText widget
> and
> > copy the selection to the clipboard using the popup menu on
> > > > the StyledText widget or using Ctrl+C. Same for the regular text
> widget.
> > The text on the clipboard is printed to the console when
> > > > you press ctrl+c in either widget.
> > > > See http://bugs.eclipse.org/bugs/show_bug.cgi?id=35210 if you're
> > wondering why I'm testing for \u0003 to catch the Ctrl+C in the key
> > > > listener.
> > > >
> > > > Knut
> > > >
> > > > import org.eclipse.swt.*;
> > > > import org.eclipse.swt.custom.*;
> > > > import org.eclipse.swt.dnd.*;
> > > > import org.eclipse.swt.layout.*;
> > > > import org.eclipse.swt.widgets.*;
> > > >
> > > > public class StyledTextClipboard {
> > > >  public static void main(String[] args) {
> > > >   final Display display = new Display();
> > > >   final Shell shell = new Shell(display);
> > > >   shell.setLayout(new FillLayout(SWT.VERTICAL));
> > > >
> > > >   final StyledText styledText = new StyledText(shell, SWT.SINGLE |
> > SWT.BORDER | SWT.READ_ONLY);
> > > >   styledText.setText("StyledText widget");
> > > >   final Text text = new Text(shell, SWT.SINGLE | SWT.BORDER |
> > SWT.READ_ONLY);
> > > >   text.setText("Text widget");
> > > >   Text pasteText = new Text(shell, SWT.BORDER | SWT.MULTI);
> > > >   pasteText.setText("paste here");
> > > >
> > > >   Menu popupMenu = new Menu(styledText);
> > > >   MenuItem copyItem = new MenuItem(popupMenu, SWT.PUSH);
> > > >   copyItem.setText("Copy");
> > > >   copyItem.addListener(SWT.Selection, new Listener() {
> > > >    public void handleEvent(Event event) {
> > > >     System.out.println("popup menu copy");
> > > >     styledText.copy();
> > > >    }
> > > >   });
> > > >   styledText.setMenu(popupMenu);
> > > >
> > > >   Listener copyListener = new Listener() {
> > > >    public void handleEvent(Event event) {
> > > >     if (event.character == '\u0003') {
> > > >      Clipboard clipboard = new Clipboard(display);
> > > >      TextTransfer transfer = TextTransfer.getInstance();
> > > >      String text = (String) clipboard.getContents(transfer);
> > > >      System.out.println("clipboard contents: " + text);
> > > >      clipboard.dispose();
> > > >     }
> > > >    }
> > > >   };
> > > >   styledText.addListener(SWT.KeyDown, copyListener);
> > > >   text.addListener(SWT.KeyDown, copyListener);
> > > >
> > > >   shell.setSize(500, 200);
> > > >   shell.open();
> > > >   while (!shell.isDisposed()) {
> > > >    if (!display.readAndDispatch()) {
> > > >     display.sleep();
> > > >    }
> > > >   }
> > > >   display.dispose();
> > > >  }
> > > > }
> > > >
> > > > "kyle farnand" <kfarnand@xxxxxxxxxxxxx> wrote in message
> > news:b80q0h$6ri$1@xxxxxxxxxxxxxxxx
> > > >
> > > >>Thanks for confirmation Paul.  I am also using R2.0.2 and Win2k.
> > > >>
> > > >>Knut and/or Lynne, maybe you could post some simple sample code that
> you
> > > >>know works in your environment.  If it works on my machine, I can
> figure
> > > >>out what the difference is (between your working code and my failing
> > > >>code) and post the results.  If not, we will atleast know it is not
a
> > > >>difference in code that is causing the our different results.
> > > >>
> > > >>Open to oother suggestions but this seems like a potential bug
(either
> > > >>document related or functional) that should be tracked down.
> > > >>
> > > >>Paul T. Keyser wrote:
> > > >>
> > > >>>R2.0.2, Win2K
> > > >>>
> > > >>>I agree with Kyle Farnand who describes the problem accurately and
> > correctly: I see exactly the same thing (and have posted
> > > >
> > > > before
> > > >
> > > >>>about this, but the threads died).
> > > >>>
> > > >>>As far as I can tell, these are the facts (R2.0.2, Win2K):
> > > >>>1) Text widget: comes with an OS-supplied popupmenu in which are
> items
> > Cut/Copy/Paste (but Ctrl-C/V/X do *NOT* work); if you add
> > > >>>your own popupmenu (via SWT) you lose the whole OS-supplied menu;
if
> > you then add to your own popupmenu, your own items
> > > >>>Cut/Copy/Paste, and hook the API for those actions, you can restore
> the
> > Cut/Copy/Paste function, but there appears to be NO way
> > > >
> > > > to
> > > >
> > > >>>get Ctrl-C/V/X to work (with or without a popupmenu).
> > > >>>
> > > >>>2) StyledText widget: comes with *NO* popupmenu; you can add your
own
> > popupmenu (via SWT, pretty much the same as for the Text);
> > > >>>to your own popupmenu, you can add your own items Cut/Copy/Paste,
and
> > hook the API for those actions, thus for the first time
> > > >>>obtaining the Cut/Copy/Paste function, but there appears to be NO
way
> > to get Ctrl-C/V/X to work (with or without a popupmenu).
> > > >>>
> > > >>>Maybe what Knut and Lynne are saying is that in R2.1, the
Ctrl-C/V/X
> > has somehow been fixed (via fixing some bug not known to
> > > >
> > > > have
> > > >
> > > >>>been connected, but nevertheless connected)?
> > > >>>
> > > >>>Paul K
> > > >>>
> > > >>>Knut Radloff wrote:
> > > >>>
> > > >>>
> > > >>>
> > > >>>>Which build and OS are you using? Copy to clipboard (using Ctrl+C)
> > works for me in a read-only single line Text and StyledText
> > > >>>>widget in R2.1
> > > >>>>I searched the StyledText bugs we fixed in 2.1 and didn't see
> anything
> > cut/paste related that may have caused your problem.
> > > >>>>
> > > >>>>Knut
> > > >>>>"kyle farnand" <kfarnand@xxxxxxxxxxxxx> wrote in message
> > news:b7n3jl$sh7$1@xxxxxxxxxxxxxxxx
> > > >>>>
> > > >>>>
> > > >>>>>Looking at the Text tab of the SWT Controls sample view and
playing
> > > >>>>>around with all the different parameters, there were no
parameters
> > that
> > > >>>>>I could set to get CTRL-C to work in either the Text or Styled
Text
> > > >>>>>widget (including READ_ONLY).  Right Click->Copy worked with any
> > > >>>>>parameter settings on the Text widget but not on the StyledText
> > widget.
> > > >>>>>
> > > >>>>>Is this the desired functionality for the StyledText widget?
> > > >>>>>
> > > >>>>>kyle farnand wrote:
> > > >>>>>
> > > >>>>>
> > > >>>>>>I must be doing something wrong then.  I tried CTRL-C and paste
> the
> > > >>>>>>results into notepad and don't get anything.  I know about the
API
> > but
> > > >>>>>>was hoping to get this functionality for free (which seems
> > possible). In
> > > >>>>>>the Text widget you get <right-click> menu -> copy functionality
> and
> > was
> > > >>>>>>hoping that would be the same in StyledText widget.
> > > >>>>>>
> > > >>>>>>Lynne Kues wrote:
> > > >>>>>>
> > > >>>>>>
> > > >>>>>>
> > > >>>>>>>I do not understand what you are talking about.
> > > >>>>>>>
> > > >>>>>>>If the StyledText widget is READ_ONLY, the copy operation is
> > available
> > > >>>>>>>(select some text and press CTRL-C), but you cannot paste to or
> cut
> > > >>>>>>
> > > >>>>>>>from the
> > > >>>>>>
> > > >>>>>>>widget since it is readonly.  Also note that there is API in
the
> > > >>>>>>>StyledText
> > > >>>>>>>widget to cut, copy and paste programatically.
> > > >>>>>>>
> > > >>>>>>>"kyle farnand" <kfarnand@xxxxxxxxxxxxx> wrote in message
> > > >>>>>>>news:b7mtas$n7d$1@xxxxxxxxxxxxxxxx
> > > >>>>>>>
> > > >>>>>>>
> > > >>>>>>>
> > > >>>>>>>>When I use the below code, I get copy and paste for free.
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>>>Text modelText = new Text(modelXMLContainer, SWT.READ_ONLY
> > |SWT.MULTI);
> > > >>>>>>>>>modelText.setText(modelString);
> > > >>>>>>>>
> > > >>>>>>>>But when I used the StyledText widget, I lose this
> functionality.
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>>>StyledText modelText = new StyledText(modelXMLContainer,
> > > >>>>>>>>
> > > >>>>>>>>SWT.READ_ONLY);
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>>>modelText.setText(modelString);
> > > >>>>>>>>
> > > >>>>>>>>An earlier post said I should get the same copy and paste
> > functionality
> > > >>>>>>>>if I use SWT.READ_ONLY in the constructor from both widgets
but
> > that is
> > > >>>>>>>>not the case.
> > > >>>>>>>>
> > > >>>>>>>>Is there an easy way to get this copy and paste functionality
> out
> > of the
> > > >>>>>>>>StyledText widget (as in the Text widget) or do I have to
> > implement it
> > > >>>>>>>>myself?
> > > >>>>>>>>
> > > >>>>>>>
> > > >>>>>>>
> > > >>>>>>>
> > > >
> > > >
> > >
> >
> >
>
>