[vtkusers] QMainWindow+QVTKWidget issues on Mac

[Raul Huertas]

I use it in a slightly different way:
//inside the constructor
w = new QVTKWidget2(fmt, ui->centralWidget)
ly= new QHBoxLayout
lay->addWidget(w)
ui->centralWidget->setLayout(w)

With qvtkwidget1 i had an issue regarding the retina resolution, but not about layouts. Hope this help.
Bye!


> El 4 nov. 2015, a las 3:22 p.m., Christian Askeland <christian.askeland at gmail.com> escribió:
> 
> That's very interesting. In my example code, replacing QVTKWidget with QVTKWidget2 gives exactly the same result. Do you have any code showing the improvement? Do you, for example, wrap the QVTKWidget2 in anything?
> 
> -Christian
> 
>> On Wed, Nov 4, 2015 at 4:56 AM, Raul Huertas <rax20037 at gmail.com> wrote:
>> I had similar issues, use QVTKWidget2.
>> 
>> 
>> 
>>> El 3 nov. 2015, a las 4:10 p.m., Christian Askeland <christian.askeland at gmail.com> escribió:
>>> 
>>> Hi all,
>>> 
>>> I have an issue with QMainWindow when using a QVTKWidget as the centralwidget. Both the Toolbars and DockWidgets get messed up, meaning that for some toolbar elements get unclickable after some reordering of the elements, and moving DockWidgets causes a large white square to appear.
>>> 
>>> The following snippet produces a white square over the window when attempting to dock DockWidget "B" onto Dockwidget "A":
>>> (A full compiling version is also available at https://github.com/christiana/issue1044)
>>> 
>>> main.cpp:
>>> 
>>> int main(int argc, char *argv[])
>>> {
>>>   QApplication app(argc, argv);
>>> 
>>>   MainWindow window;
>>>   window.resize(800,500);
>>>   window.show();
>>> 
>>>   return app.exec();
>>> }
>>> 
>>> MainWindow.cpp:
>>> 
>>> MainWindow::MainWindow()
>>> {
>>> 	QVTKWidget* widget = new QVTKWidget();
>>> 	this->setCentralWidget(widget);
>>> 
>>> 	// The hidden toolbar makes the bug more obvious.
>>> 	// Without this the drag/drop of QDockWidgets is still messed up.
>>> 	this->addHiddenToolbar();
>>> 
>>> 	// drag A on top of B -> white square appears (if not already present at startup)
>>> 	this->addDock("A");
>>> 	this->addDock("B");
>>> }
>>> 
>>> void MainWindow::addHiddenToolbar()
>>> {
>>> 	QToolBar* toolbar = new QToolBar("FooBar");
>>> 	this->addToolBar(toolbar);
>>> 	toolbar->hide();
>>> 	toolbar->addAction("Foo");
>>> }
>>> 
>>> void MainWindow::addDock(QString name)
>>> {
>>> 	QDockWidget* dockWidget = new QDockWidget(name, this);
>>> 	dockWidget->setWidget(new QLabel(name));
>>> 	this->addDockWidget(Qt::LeftDockWidgetArea, dockWidget);
>>> }
>>> 
>>> This seems to have been present since Qt 5.0, 
>>> and is still there with VTK 6.3 and Qt 5.5.1.
>>> Mac only (OSX10.8-10.11).
>>> 
>>> I'll continue working on this issue, but any tips and comments are
>>> very welcome.
>>> 
>>> Best,
>>> 
>>> Christian
>>> 
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