Hello,
we updated to witty 3.2.1 and have several problems with our layouts,
mostly with wtableviews and treeviews.
I attached an small minimal example of an WTreeView and screenshots
from the running application with witty 3.2.0 and 3.2.1 can be found
here:
http://ascholl.de/files/2012-04-05-witty-interest--Wt-3.2.0.png
http://ascholl.de/files/2012-04-05-witty-interest--Wt-3.2.1.png
With 3.2.0 the items are shown, unter 3.2.1 the WTreeView-Header is
defect and there are no items visible in the tree (but they are in the
source).
Any idea how to solve that problem?
regards,
Albert Scholl
/*
* Copyright (C) 2008 Emweb bvba, Heverlee, Belgium.
*
* See the LICENSE file for terms of use.
*/
#include <Wt/WApplication>
#include <Wt/WContainerWidget>
#include <Wt/WGroupBox>
#include <Wt/WPushButton>
#include <Wt/WStandardItem>
#include <Wt/WStandardItemModel>
#include <Wt/WText>
#include <Wt/WTreeView>
#include <Wt/WVBoxLayout>
#include <iostream>
using namespace Wt;
class HelloApplication : public WApplication
{
public:
HelloApplication(const WEnvironment& env);
private:
Wt::WTreeView* treeView;
};
HelloApplication::HelloApplication(const WEnvironment& env)
: WApplication(env)
{
styleSheet().addRule("html, body", "width: 100%; height: 100%; margin: 0");
auto container = new WContainerWidget();
root()->addWidget(container);
container->resize(WLength(100, WLength::Percentage), WLength(100,
WLength::Percentage));
auto layout = new WVBoxLayout(container);
layout->setContentsMargins(10, 10, 10, 10);
layout->addWidget(new WText(WString("TOP"), container), 0);
auto treeBox = new WGroupBox("My GroupBox", container);
treeBox->resize(WLength::Auto, WLength(100, WLength::Percentage));
layout->addWidget(treeBox, 1);
//layout->setResizable(0);
auto treeLayout = new WVBoxLayout(treeBox);
treeLayout->setContentsMargins(0, 0, 0, 0);
treeView = new WTreeView(treeBox);
treeView->setColumnWidth(0, WLength(180));
treeView->setColumnWidth(1, WLength(350));
treeLayout->addWidget(treeView, 1);
WStandardItemModel* treeModel = new WStandardItemModel(0, 2, treeView);
treeModel->setHeaderData(0, WString("column 1"));
treeModel->setHeaderData(1, WString("column 2"));
for (int i = 0; i < 5; ++i) {
auto *parentItem = new WStandardItem(WString("parent row"));
for (int j = 0; j < 5; ++j) {
std::vector<WStandardItem*> row;
row.push_back(new WStandardItem(WString("child row - column 1")));
row.push_back(new WStandardItem(WString("child row - column 2")));
parentItem->appendRow(row);
}
treeModel->appendRow(parentItem);
}
treeView->setModel(treeModel);
layout->addWidget(new WText(WString("BOTTOM"), container), 0);
}
WApplication *createApplication(const WEnvironment& env)
{
return new HelloApplication(env);
}
int main(int argc, char **argv)
{
for (int i = 0; i < argc; ++i) {
if (std::string(argv[i]).find("--docroot") != std::string::npos) {
return WRun(argc, argv, &createApplication);
}
}
std::cerr << "--docroot not specified!" << std::endl;
std::cerr << "eg: <app> --docroot ..\\etc\\resources --http-address 0.0.0.0
--config ..\\etc\\wt_config.xml" << std::endl;
return 1;
}
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