[Panel-devel] [PATCH] Plasma Layouts

[Matias Valdenegro T.]

Hi:

Attached are :
- Patch against kdebase/workspace/plasma/lib
- 4 New classes :
	- Layout, base class for layouts
	- LayoutItem, base class for layout-manager items
	- VBoxLayout, vertical box layout implementation
	- Container, a round corner rectangle for widget containment

This would be a first look to a layouting system for QGraphicsItems, via 
inheritance from Plasma::Widget so the layout system can manage widgets in 
the same fashion that QWidgets are manager by QLayouts.

Comments expected :)

ScreenShot produced with those classes at :
http://informatica.utem.cl/~mvaldenegro/Fotos/layoutFinal.png

Code for that shot was (adding it to desktop.cpp) :

Plasma::Container *cont = new Plasma::Container(0);
m_graphicsScene->addItem(cont);

Plasma::Layout *lay = new Plasma::VBoxLayout();
cont->setLayout(lay);

Plasma::PushButton *but = new Plasma::PushButton(cont);
but->setText("1");
but = new Plasma::PushButton(cont);
but->setText("2");
but = new Plasma::PushButton(cont);
but->setText("3");
but = new Plasma::PushButton(cont);
but->setText("4");
but = new Plasma::PushButton(cont);
but->setText("5");

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