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Icon guidelines for Linux/Gentoo/Gnome?
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trollo
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Joined: 10 Sep 2004
Posts: 44
Location: Berlin

PostPosted: Mon Feb 17, 2014 1:37 am    Post subject: Icon guidelines for Linux/Gentoo/Gnome? Reply with quote

I just spent some time getting a proper icon for media-sound/picard on my relatively fresh Gnome 3 system. It initially just installed a picard.ico into /usr/share/pixmaps/ which apparently wasn't recognized by Gnome. I don't know much about ebuilds, but I decided to meddle around with it a bit in my local overlay.

First I tried to install picard.svg (there are SVGs in the source package) into /usr/share/icons/hicolor/scalable/apps/ with
Code:
newicon -s scalable resources/img-src/Picard-256.svg picard.svg

which I thought to be the proper location. Didn't work. (The file was correctly copied but Gnome didn't display the icon)

Then I tested creating ~/.icons/hicolor/scalable/apps as user and putting picard.svg in there. This worked, but didn't satisfy me since I wanted to make the ebuild properly install the icon globally, so I tried my luck installing it into /usr/share/pixmaps/ with
Code:
newicon resources/img-src/Picard-256.svg picard.svg

and it worked as well.

But to be honest, I'm confused. So before I open a bug with my fixed ebuild, I want to understand this. Why didn't my first approach work? What are the guidelines regarding icon locations in Linux/Gentoo/Gnome? Why are ebuilds even installing *.ico files, isn't that a Windows format?
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Dominique_71
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Joined: 17 Aug 2005
Posts: 1639
Location: Switzerland (Romandie)

PostPosted: Wed Mar 19, 2014 6:47 pm    Post subject: Reply with quote

It's explained into the devman. As you was able to use the newicon command, I guess you read that.

It can be a problem with the desktop file provided by picard in /usr/share/applications. If the icon name is provided, and is not the same as the one you used, your desktop will fail to show the icon. I am also not sure if you can have svg files into /usr/share/icons. If not explained into the devman, you can find it into the freedesktop menu specification at freedesktop.org
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