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git@gitorious.org:+openbossa-developers/qt/openbossa-clone
Conflicts:
src/gui/graphicsview/graphicsview.pri
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This is a total re-written implementation of QGraphicsAnchorLayout using
a numerical approach. We use QGraph and QSimplex in order to achieve this.
This first commit gives us a just ready-to-use qgraphicslayout, but the
private class still need to inherit from qgraphicslayoutprivate. Optimizations
and documentation are all work in progress.
Signed-off-by: Anselmo Lacerda S. de Melo <anselmo.melo@openbossa.org>
Signed-off-by: Caio Marcelo de Oliveira Filho <caio.oliveira@openbossa.org>
Signed-off-by: Eduardo M. Fleury <eduardo.fleury@openbossa.org>
Signed-off-by: Jesus Sanchez-Palencia <jesus.palencia@openbossa.org>
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This implementation is based on the iterative algorithm presented in
http://en.wikibooks.org/wiki/Operations_Research/The_Simplex_Method.
It is capable of giving us the solution to any n variable LP model.
Although we focused on QGraphicsAnchorLayout, the solver is general
enough for being reused in any other Qt classes if needed.
Signed-off-by: Anselmo Lacerda S. de Melo <anselmo.melo@openbossa.org>
Signed-off-by: Caio Marcelo de Oliveira Filho <caio.oliveira@openbossa.org>
Signed-off-by: Eduardo M. Fleury <eduardo.fleury@openbossa.org>
Signed-off-by: Jesus Sanchez-Palencia <jesus.palencia@openbossa.org>
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This file was originally included by Alexis Menard <alexis.menard@nokia.com>
but now it has been fully updated to the new QGraphicsAnchorLayout needs.
Signed-off-by: Anselmo Lacerda S. de Melo <anselmo.melo@openbossa.org>
Signed-off-by: Caio Marcelo de Oliveira Filho <caio.oliveira@openbossa.org>
Signed-off-by: Eduardo M. Fleury <eduardo.fleury@openbossa.org>
Signed-off-by: Jesus Sanchez-Palencia <jesus.palencia@openbossa.org>
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The idea of having separate rotationX/Y/Z, shearX/Y, etc.
methods in QGraphicsItem turned out to be not giving us
the flexibility we need and wanted.
The new code now implements a different scheme, where we
keep simple rotate (around z-axis), scale and
transformOriginPoint methods, but remove the other ones.
Instead we now have an additional list of QGraphicsTransform
object. QGraphicsTransform is an abstract class that inherits
QObject. Several specializations are provided and can be
used to transform (and through property bindings animate)
the item.
Reviewed-By: Andreas
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We'll keep this as private API for now.
Reviewed-by: Alexis
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We want to keep this as private API for now.
Reviewed-by: Alexis
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We'd like to keep this API private for now.
Reviewed-by: Alexis
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qt-main/qgraphicssceneindex
Conflicts:
src/gui/graphicsview/graphicsview.pri
src/gui/graphicsview/qgraphicsitem.cpp
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to inherit from it
This changes the inheritance hierarchy of QGraphicsWidget from
multiply inheriting from QObject, QGraphicsItem and QGraphicsLayoutItem
to inherit from QGraphicsObject and QGraphicsLayoutItem. QGraphicsObject
then simply inherits from QObject and QGraphicsItem.
This change is binary compatible as it will leave the vtable layout
unchanged and as the parent class doesn't appear in the C++ name
mangling on any of our platforms. It's also source compatible as
it isn't noticable by existing code.
The restriction we have on QGraphicsObject is that we can not add any
new virtual methods to it, or add data members to the class. We can however
implement a QGraphicsObjectprivate inheriting from QGraphicsItemPrivate
if there is a need to add data members to the class.
This change will allow us to now have one single base for all QGraphicsItems
that inherit from QObject: QGraphicsTextItem, QGraphicsWidget and in the
future QFxItem. Having that single base class will significantly simplify
our work in the qml engine.
Reviewed-by: Andreas
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Now the QGraphicsScene has no idea how works the index. So we can
improve it separatly, add new ones and benchmarks existing ones.
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This basically move some logic from the scene to the index base class.
Lot of work need to be done in order to benefits from the device
transform. The sorting needs to be move in the BSP tree.
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We basically add a new index that implement the old BSP logic but in a
separate class instead of living into the QGraphicsScene. It will be
much more easier to add a new index method or for people to use their
own
Conflicts:
src/gui/graphicsview/qgraphicsitem.cpp
src/gui/graphicsview/qgraphicssceneindex.h
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QGraphicsScene
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