> It still would be good to see an application that shows what is going > on if only to see if this is a general problem in Qt.
Just use Assistant. Try resizing the window with the grip. It's damned slow here on a last generation MacPro. The only reason I can imagin is the presence of "setUnifiedTitleAndToolBarOnMac". Philippe On Tue, 10 Feb 2009 13:08:11 +0100 Trenton Schulz <[email protected]> wrote: > On 2009-02-09 14:24:02 +0100, Philippe <[email protected]> said: > > > On the Mac (32 bit) only: > > Some time ago I reported that updating actions that have icons and that > > are displayed in Mac main menu, have an incredible performance hit. > > Today I have found that activating the mode: > > setUnifiedTitleAndToolBarOnMac ( bool set ) > > > > is even worse. Updating actions displayed in such tool bar is much much > > too slow (impossible to use in my case, where there are about 40 icons). > > Then don't use the unifiedTitleAndToolBarOnMac property. We don't have > much say in this. It's largely handled by Carbon (or Cocoa). The > QToolbar is transparent and it has to composite with the gradient > below. You can try disabling our changes that we do in > QMainWindow::event() for LayoutRequests to see if that makes a > difference. The unified toolbar doesn't give us a way of saying that > our widget has changed its layout. > > You can also turn off icons if you don't want them in a menu (using > Qt::AA_DontShowIconsInMenus) or on an action by action basis. > > FWIW, I haven't seen an application that uses a unified toolbar and has > more than 16 icons. > > It still would be good to see an application that shows what is going > on if only to see if this is a general problem in Qt. > > -- Trenton > > _______________________________________________ > Qt4-preview-feedback mailing list > [email protected] > http://lists.trolltech.com/mailman/listinfo/qt4-preview-feedback _______________________________________________ Qt4-preview-feedback mailing list [email protected] http://lists.trolltech.com/mailman/listinfo/qt4-preview-feedback
