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authorMike Frysinger <vapier@gentoo.org>2003-10-14 02:36:32 +0000
committerMike Frysinger <vapier@gentoo.org>2003-10-14 02:36:32 +0000
commit5d242ddcf810d310e24154d6dd23350186a12d7b (patch)
treee626fe752be525bb84713090a4c0b3ab0421de89 /media-libs/edje/metadata.xml
parentuse the eclass (diff)
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hello edje
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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<herd>no-herd</herd>
+<maintainer>
+ <email>vapier@gentoo.org</email>
+ <name>Mike Frysinger</name>
+</maintainer>
+<longdescription>
+Edje is a complex graphical design & layout library.
+
+It's purpose is to be a sequel to "Ebits" which to date has serviced the needs of
+Enlightenment development for version 0.17. The original design paramteres under
+which Ebits came about were a lot more restricted than the resulting use of them,
+thus Edje was born.
+
+Edje is a more complex layout engine compared to Ebits. It doesn't pretend to do
+containering and regular layout like a widget set. It still inherits the more
+simplistic layout ideas behind Ebits, but it now does them a lot more cleanly,
+allowing for easy expansion, and the ability to cover much more ground than Ebits
+ever could. For the purposes of Enlightenment 0.17, Edje should serve all the
+purposes of creating visual elements (borders of windows, scrollbars, etc.) and
+allow the designer the ability to animate, layout and control the look and feel of
+any program using Edje as its basic GUI constructor. This library allows for
+multiple collections of Layouts in one file, sharing the same image database and
+thus allowing a whole theme to be conveneintly packaged into 1 file and shipped
+around.
+
+Edje, unlike Ebits, separates the layout and behavior logic. Edje files ship with an
+image database, used by all the parts in all the collections to source graphical
+data. It has a directory of logical part names pointing to the part collection entry
+ID in the file (thus allowing for multiple logical names to point to the same part
+collection, allowing for the sharing of data betwene display elements). Each part
+collection consists of a list of visual parts, as well as a list of programs. A
+program is a conditionally run program that if a particular event occurs (a button
+is pressed, a mouse enters or leaves a part) will trigger an action that may affect
+other parts. In this way a part collection can be "programmed" via its file as to
+hilight buttons when the mouse passes over them or show hidden parts when a button
+is clicked somewhere etc. The actions performed in changing from one state to
+another ar also allowed to transition over a period of time, allowing animation.
+
+This separation and simplistic event driven style of programming can produce almost
+any look and feel one could want for basic visual elements. Anything more complex is
+likely the domain of an application or widget set that may use Edje as a conveneient
+way of being able to configure parts of the display.
+</longdescription>
+</pkgmetadata>