ok! but it's weird because it happens in linux and windows and (I think) mac too.. oh well, their problem :p but I thought even if they didn't redraw, the WM would still show a solid block for a window.. oh well, it's good to know, thanks, KKRT
On Fri, Aug 18, 2006 at 09:43:06PM +0200, Philippe Valembois - Phil wrote: > Hi, > by the way the bug you describes is because Tk doesn't redraw the window if > we > don't specify any bg (had that with capture extension) But with X11 calls you > can make a window transparent :d > Phil > > Le Friday 18 August 2006 19:05, Youness Alaoui a ?crit?: > > hello... > > this is not good enough I think, I tested it and it's wrong... > > I found this : http://wiki.tcl.tk/11291 > > from which I supposed you got that code.. but it's not good because it > > doesn't check for the border height of a window (the decorations) so here's > > a code that I was able to write to fix this issue. Note also that I wasn't > > able to find a way to avoid the flickering because if I do a 'wm withdraw > > $w', then even after the 'update', the width/height/etc.. of the window do > > not get updated... ohhh, I remember a bug in Tk (or is it a bug?) that I > > noticed many times while working with chameleon plugin! The bug was that a > > toplevel without background is transparent.. but not in the true sens of > > 'transparent' (which is why I call it a 'bug' not a feature).. just try > > this : 'toplevel .test -bg {}' (it has to be an empty list), you'll see > > that the window inherits the background of what was in its place before it > > appeared, but it's not really transparent because if you move it, it keeps > > that background and if you overlap something OVER it and move it, you'll > > see that the image bugs... > > BUT I just tried that and it WORKED! setting the toplevel with an empty > > background avoids the flickering.. there probably is a flickering, but so > > small (only decorations) that we can't even see it. Actually, only the > > border will (sometimes) flicker but SO fast that you won't be able to see > > it unless you run the proc in a loop. So this fixes the issue! :) > > Here is the code... please note that this does NOT check for a taskbar that > > could be positioned on the side (yes, people do position their taskbar on > > the right side of the screen) so the code is incomplete.. but the same > > algorithm should be used to check the screen widht.. in that case, borders > > would not apply in the equation).. the proc should become > > "getLowerRightCornerPositionExcludingTaskbar" because .. well it's self > > explanatory! :) Anyways, here's the code. I tested it with different > > taskbar positions and actually tried creating a window to that offset and > > that offset + 1, and it is indeed THE offset :) have fun! : proc > > getTaskbarHeight { {w .taskBarHeightTester} } { > > destroy $w > > toplevel $w -bg {} > > wm state $w zoomed > > update > > set border_height [winfo rooty $w] > > set screen_height [winfo screenheight $w] > > set window_height [winfo height $w] > > set taskbar_height [expr $screen_height - $window_height - > > $border_height] destroy $w > > return $taskbar_height > > } > > > > > > Have fun! > > > > p.s.: This was a great idea Alvaro! > > > > KKRT > > > > On Fri, Aug 18, 2006 at 02:50:32AM -0700, [EMAIL PROTECTED] > wrote: > > > Revision: 7134 > > > Author: airadier > > > Date: 2006-08-18 02:50:27 -0700 (Fri, 18 Aug 2006) > > > ViewCVS: http://svn.sourceforge.net/amsn/?rev=7134&view=rev > > > > > > Log Message: > > > ----------- > > > Added getTaskbarHeight procedure (proc name is self-descriptive), but not > > > using it, small flicker when called. TODO: May be useful for finding out > > > notify window offset? > > > > > > Modified Paths: > > > -------------- > > > trunk/amsn/preferences.tcl > > > Modified: trunk/amsn/preferences.tcl > > > =================================================================== > > > --- trunk/amsn/preferences.tcl 2006-08-18 09:46:36 UTC (rev 7133) > > > +++ trunk/amsn/preferences.tcl 2006-08-18 09:50:27 UTC (rev 7134) > > > @@ -2559,6 +2559,16 @@ > > > > > > } > > > > > > +proc getTaskbarHeight {{w .taskBarSize}} { > > > + catch {destroy $w} > > > + toplevel $w > > > + wm state $w zoomed > > > + update > > > + set val [expr {[winfo screenheight $w]-[winfo height $w]}] > > > + destroy $w > > > + return $val; > > > +} > > > + > > > #check if a window is outside the screen and move it in > > > proc moveinscreen {window {mindist 0}} { > > > > > > > > > > > > This was sent by the SourceForge.net collaborative development platform, > > > the world's largest Open Source development site. > > > > > > > > > ------------------------------------------------------------------------- > > > Using Tomcat but need to do more? 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