Updating Miniwindow icon
Updating Miniwindow icon
- Subject: Updating Miniwindow icon
- From: Derek Chesterfield <email@hidden>
- Date: Sun, 20 Jul 2003 16:27:59 +0100
I am having lots of problems understanding how to update the Dock tile
for a minimised Cocoa window. I have searched archives here and at
macosx-dev, but the emails just confirm what I *thought* should work.
I am trying to mimic the way OmniWeb updates a minimised window's tile
when the webpage has finished loading, using a didFinishLoadForFrame:
delegate message in WebKit. While trying various approaches, I have
come up against a number of issues (note that I have set
AppleDockIconEnabled in my applications defaults, and setting it to
@"YES" or TRUE does not make a difference):
The only way I can see to do what I want in Cocoa is by the
setMiniwindowImage: method
- if I try to create an NSData using dataWithPDFInsideRect (or EPS),
it returns 0 bytes if I include the WebView in the rect. If I set the
rect to some area of the contentFrame that does not include the
WebView, then I get the PDF
- after getting a PDF of part of my window, I create the NSImage, then
setMiniwindowImage: changes the tile, but it appears to be garbled
- even if I were able to get the whole contentView to image, I still
don't understand how I would get the tile to look like a mini window,
rather than a mini view, or how I would get the app badge on the tile
While trying to understand all this, I was thinking how hard it is
(even if it worked) when the OS does it automatically when the window
is minimised - surely there is an easier way? Then I stumbled on
Carbon's UpdateCollapsedWindowDockTile, so I tried calling that:
- in my code I have WindowRef windowRef=[[self window] windowRef]
(self is my NSWindowController). In the debugger, after stepping over
this line, the debugger shows windowRef has been updated, but the
Summary shows title="", even though the actual NSWindow does have a
title. Does this indicate that windowRef isn't really pointing to a
WindowRef? Does the -[NSWindow * windowRef] message do what I expected
- return a Carbon version of my NSWindow?
- when I call UpdateCollapsedWindowDockTile passing my suspect
windowRef, the tile does not update. Maybe this is because the
windowRef I am passing is not what I think it is
Where am I going wrong?
Thanks
Dez
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