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我有一堆QPushButtons和我自己的QToolButtons风格的网格布局。我的对话框正在显示我的口味,除非我碰巧有太多的按钮,导致网格扩大到超出屏幕尺寸。所以我想添加一个滚动条。Qt网格布局在滚动区域显示不正确
我已经读了一堆问题一/关于滚动条和QtGridLayout但实现这种接受的解决方案,例如qdialog with scrollarea and gridlayout 我所有的按钮后解决方案(其中应该有自己的大小固定 - 相当于为清楚起见,下面省略代码)得到缩水到一个愚蠢的大小。此外,当我调整对话框大小时,滚动区域会相应调整大小,但其中的网格不会调整大小。我错过了什么?
注意:我已尝试各种方法来修复各种尺寸,基本上所有工作都没有滚动区域,但只要我将东西放在滚动区域中,网格单元格就会自动调整大小并进行无意义调整...
void createDatabaseWindow()
{
_database_widget = new QDialog;
QVBoxLayout* layout(new QVBoxLayout);
_database_layout = new QGridLayout;
QLabel* text(new QLabel("some text"));
layout->addWidget(text);
QVBoxLayout* vlayout(new QVBoxLayout);
_new_user_button = new QPushButton("New User");
vlayout->addWidget(_new_user_button);
QPushButton* cancel_button(SM_NEW QPushButton("Cancel"));
vlayout->addWidget(cancel_button);
_database_layout->addLayout(vlayout, 0, 0);
std::vector<Result> database = getWholeDatabase();
for (int i = 0; i < database.size(); i++){
myQToolButton* button(new myQToolButton(database[i]));
_database_layout->addWidget(button, (i + 1)/N_ROWS_DATABASE, (i + 1) % N_ROWS_DATABASE);
}
// the following comes from an accepted solution, but doesn't work for me...
//Create a widget and set its layout as your new layout created above
QWidget *viewport = new QWidget;
viewport->setLayout(_database_layout);
//Add the viewport to the scroll area
QScrollArea *scrollArea = new QScrollArea;
scrollArea->setWidget(viewport);
//Add the scroll area to your main window's layout
layout->addWidget(scrollArea);
_database_widget->setLayout(layout);
}