我想鏈接兩個QListWidget,但我不知道如何處理代碼。這裏是我做的: 我們可以看到兩個QListWidget。用左邊的QListWidget,我添加(例如:「Bonjour」,「Hello」,「Tag」)三個QListWidgetItem。我想,如果我點擊左QListWidget的三個QListWidgetItem中的一個,我可以用正確的QListWidget(例如,「Bonjour」:「Tu」,「Vas」,「Bien」)添加QListWidgetItem。如果我沒有點擊三個QListWidgetItem中的一個,我不能添加具有正確QListWidget的QListWidgetItem。如果我爲「Bonjour」做了:「Tu」,「Vas」,「Bien」,我點擊「Hello」(顯然,「Hello」不包含任何內容),右邊的QListWidget沒有任何內容。這只是我想要做的一個例子。下面,我寫我的代碼,如果它是有幫助的:鏈接兩個QListWidget
- secondwindow.cpp -
#include "secondwindow.h"
#include "ui_secondwindow.h"
#include "thirdwindow.h"
#include "ui_thirdwindow.h"
SecondWindow::SecondWindow(QWidget *parent) :
QWidget(parent),
ui(new Ui::SecondWindow)
{
ui->setupUi(this);
ui->button_1->setIcon(QIcon(":/Images/Images/Haut.png"));
ui->button_2->setIcon(QIcon(":/Images/Images/Bas.png"));
ui->button_5->setIcon(QIcon(":/Images/Images/Haut.png"));
ui->button_6->setIcon(QIcon(":/Images/Images/Bas.png"));
connect(ui->button_1, SIGNAL(clicked()), this, SLOT(UpForLeft()));
connect(ui->button_2, SIGNAL(clicked()), this, SLOT(DownForLeft()));
connect(ui->button_3, SIGNAL(clicked()), this, SLOT(DeleteForLeft()));
connect(ui->button_4, SIGNAL(clicked()), this, SLOT(AddForLeft()));
connect(ui->button_9, SIGNAL(clicked()), this, SLOT(ShowThirdWindow()));
connect(ui->button_10, SIGNAL(clicked()), this, SLOT(close()));
connect(ui->table_1, SIGNAL(itemDoubleClicked(QListWidgetItem *)),
this, SLOT(EditForLeft(QListWidgetItem *)));
}
SecondWindow::~SecondWindow()
{
delete ui;
}
void SecondWindow::ShowThirdWindow()
{
ThirdWindow *window = new ThirdWindow;
window->setWindowTitle("B");
window->setWindowIcon(QIcon(":/Images/Images/Bouclier.png"));
window->setFixedSize(820, 440);
window->show();
}
void SecondWindow::UpForLeft()
{
QListWidgetItem *item;
int i;
i = ui->table_1->currentRow();
item = ui->table_1->takeItem(i);
ui->table_1->insertItem(i - 1, item);
ui->table_1->setCurrentRow(i - 1);
}
void SecondWindow::DownForLeft()
{
QListWidgetItem *item;
int i;
i = ui->table_1->currentRow();
item = ui->table_1->takeItem(i);
ui->table_1->insertItem(i + 1, item);
ui->table_1->setCurrentRow(i + 1);
}
void SecondWindow::UpForRight()
{
QListWidgetItem *item;
int i;
i = ui->table_2->currentRow();
item = ui->table_2->takeItem(i);
ui->table_1->insertItem(i - 1, item);
ui->table_1->setCurrentRow(i - 1);
}
void SecondWindow::DownForRight()
{
QListWidgetItem *item;
int i;
i = ui->table_2->currentRow();
item = ui->table_2->takeItem(i);
ui->table_1->insertItem(i + 1, item);
ui->table_1->setCurrentRow(i + 1);
}
void SecondWindow::AddForLeft()
{
QString string;
string = ui->line_1->text();
ui->table_1->addItem(string);
ui->line_1->clear();
}
void SecondWindow::DeleteForLeft()
{
QListWidgetItem *item;
int i;
i = ui->table_1->currentRow();
item = ui->table_1->takeItem(i);
delete item;
}
void SecondWindow::EditForLeft(QListWidgetItem *item)
{
item->setFlags(item->flags() | Qt::ItemIsEditable);
item = ui->table_1->currentItem();
ui->table_1->editItem(item);
}
- secondwindow.h -
#ifndef SECONDWINDOW_H
#define SECONDWINDOW_H
#include <QListWidgetItem>
#include <QWidget>
#include <QString>
#include <QIcon>
#include "thirdwindow.h"
#include "ui_thirdwindow.h"
namespace Ui {
class SecondWindow;
}
class SecondWindow : public QWidget
{
Q_OBJECT
public:
explicit SecondWindow(QWidget *parent = 0);
~SecondWindow();
public slots:
void ShowThirdWindow();
void UpForLeft();
void DownForLeft();
void UpForRight();
void DownForRight();
void AddForLeft();
void DeleteForLeft();
void EditForLeft(QListWidgetItem *item);
private:
Ui::SecondWindow *ui;
ThirdWindow *window;
};
#endif // SECONDWINDOW_H
謝謝你的幫助。
那裏不起作用?你得到的錯誤是什麼,你期望什麼。 – Hayt