Lars, Are you able to integrate this with the code that Richard Rowell proposed (see 1 Feb 2002, subject: Dynamic Arrows)?? Or, Richard, if you are out there, can you integrate with Lars' code??
All looks very nice from where I sit. Regards, Rob. > -----Original Message----- > From: Lars Clausen [mailto:[EMAIL PROTECTED]] > Sent: Friday, 5 April 2002 9:34 AM > To: [EMAIL PROTECTED] > Subject: Fun with arrows > > > > Following Cyrille's suggestion, I tried making a better arrow > selection > menu. What I came up with can be seen at > <URL:http://shasta.cs.uiuc.edu/~lrclause/Dia/newarrows.png>. > The reason > I'm using 1-pixel lines is that with 2-pixel lines, the stem > is off-center, > and with 3-pixel lines, you can't tell the three > circle-with-slash arrows > from each other. You'll notice that any defects in the arrow > drawing is > highly visible here (for instance the integral line obviously has a > blanked-out area). Hopefully that will force us to improve > the arrows:) > > Details: I made this by adding a new renderer, RenderPixmap. > It allows > rendering directly onto a pixmap, with a 1-1 translation of > sizes. Thus I > can use the arrow drawing code directly to draw these. This > shrinks the > dia_arrow_preview_expose function from 404 lines to about 30. > I should be > able to do the same for the arrowhead property widget, though > that won't > save code. I shall also be adding tooltips, I think. > > Any objections to this? > > And finally, a debugging hint: I got in the situation where I need to > debug the drawing of a menu. Now X (or Gtk or someone) > doesn't allow you > to change window while a menu window is open, so when gdb > stopped while the > arrow menu was up, I couldn't do anything... except change to > the console. > So, I run gdb in 'screen' instead, when I am stuck in a menu, > I change to > the console and go 'screen -d -r'. Voila, gdb session in console. > > -Lars > > -- > Lars Clausen (http://shasta.cs.uiuc.edu/~lrclause)| H�rdgrim > of Numenor > "I do not agree with a word that you say, but I > |---------------------------- > will defend to the death your right to say it." | Where are > we going, and > --Evelyn Beatrice Hall paraphrasing Voltaire | what's > with the handbasket? > _______________________________________________ > Dia-list mailing list > [EMAIL PROTECTED] > http://mail.gnome.org/mailman/listinfo/dia-list > _______________________________________________ Dia-list mailing list [EMAIL PROTECTED] http://mail.gnome.org/mailman/listinfo/dia-list
