当我将工具按钮动态添加到 QMainWindow 的 mainToolBar 时,我不希望 QDockwidget 调整大小 [英] I don't want the QDockwidget to resize when I dynamically add a toolbutton to QMainWindow's mainToolBar
问题描述
每次我向 QMainWindow 的 mainToolBar 动态添加按钮时,QDockWidget 都会调整到其原始大小.
Each time I dynamically add a button to the mainToolBar of a QMainWindow, the QDockWidget resizes to its original size.
我的问题:
- 我可以阻止 QDockWidget 自动调整大小吗?我该怎么做?
- 如果我不能做到这一点,我还有哪些其他选择?也许是resizeDocks"?
这是我的困境的一个例证.这是启动时的示例应用:
This is an illustration of my dilemma. This is a sample app on startup:
现在我手动调整 QDockWindow 的大小.
Now I manually resize the QDockWindow.
现在我按下F1",它会在 QMainWindow 的 mainToolBar 上创建一个工具按钮,QDockWindow 会自动调整到其原始大小.
Now I press 'F1' which creates a toolbutton on QMainWindow's mainToolBar and the QDockWindow auto resizes to its original size.
这是这个简单应用的代码:
This is the code for this simple app:
mainwindow.h:
mainwindow.h:
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <QKeyEvent>
#include <QInputDialog>
#include <QToolButton>
#include <QPlainTextEdit>
#include <QDockWidget>
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = nullptr);
~MainWindow();
private:
Ui::MainWindow *ui;
QToolButton *Create_toolbutton(QString);
protected:
void keyPressEvent(QKeyEvent*);
};
#endif // MAINWINDOW_H
mainwindow.cpp:
mainwindow.cpp:
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
this->setCentralWidget(new QPlainTextEdit());
this->addDockWidget(Qt::RightDockWidgetArea, new QDockWidget());
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::keyPressEvent(QKeyEvent * ke)
{
if(ke->key() == Qt::Key_F1){
ui->mainToolBar->addWidget(Create_toolbutton("new button"));
}
QMainWindow::keyPressEvent(ke);
}
QToolButton * MainWindow::Create_toolbutton(QString toolbutton_name)
{
QToolButton * new_qtoolbutton = new QToolButton();
new_qtoolbutton->setText(toolbutton_name);
new_qtoolbutton->setArrowType(Qt::ArrowType::RightArrow);
new_qtoolbutton->setToolButtonStyle(Qt::ToolButtonStyle::ToolButtonTextBesideIcon);
return new_qtoolbutton;
}
推荐答案
我正在使用 resizeDocks 并且它对我来说已经足够了.
I am using resizeDocks and it is working sufficiently for me.
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
this->setCentralWidget(new QPlainTextEdit());
auto * dock = new QDockWidget();
this->addDockWidget(Qt::RightDockWidgetArea, dock);
resizeDocks({dock}, {100}, Qt::Horizontal);
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::keyPressEvent(QKeyEvent * ke)
{
if(ke->key() == Qt::Key_F1){
ui->mainToolBar->addWidget(Create_toolbutton("new button"));
}
QMainWindow::keyPressEvent(ke);
}
QToolButton * MainWindow::Create_toolbutton(QString toolbutton_name)
{
QToolButton * new_qtoolbutton = new QToolButton();
new_qtoolbutton->setText(toolbutton_name);
new_qtoolbutton->setArrowType(Qt::ArrowType::RightArrow);
new_qtoolbutton->setToolButtonStyle(Qt::ToolButtonStyle::ToolButtonTextBesideIcon);
return new_qtoolbutton;
}
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