Hi guys,

I have two QListWidget and drag n drop is working perfectly. Instead of using the class QListWidgetItem for items, I created a subclass of QListWidgetItem, adding two methods that need a QAction to a store (action) and another to store an integer (idAct).

The problem is when I use the mouse to do the drag / drop, the integer returned is invalid. I already use the AddItem method that I created, which is the same as the drag / drop the mouse, I got the right result. How can I fix this? I'll post the code here so they can understand.

Qt Code: 
  1. DLG_EditToolBar::DLG_EditToolBar(QWidget *parent)
  2. 		:QDialog(parent)
  3. {
  4. 	ui.setupUi(this);
  5. 	m_activeList = new ListWidget;    // subclass QListWidget
  6. 	m_inactiveList = new ListWidget; // subclass QListWidget
  7.  
  8. 	ui.gridLayoutAD->addWidget(m_inactiveList);
  9. 	ui.gridLayoutAT->addWidget(m_activeList);
  10. 	this->addAct(m_inactiveList);
  11.  
  12. 	connect(ui.pushButton_Ad, SIGNAL(clicked()), this, SLOT(addItem()));
  13. 	connect(ui.pushButton_Rem, SIGNAL(clicked()), this, SLOT(removeItem()));
  14. 	connect(ui.pushButton_Up, SIGNAL(clicked()), this, SLOT(upItem()));
  15. 	connect(ui.pushButton_Down, SIGNAL(clicked()), this, SLOT(downItem()));
  16. 	connect(ui.pushButton_OK, SIGNAL(clicked()), this, SLOT(ok()));
  17. 	connect(ui.comboBox_BarraFerramentas, SIGNAL(currentIndexChanged(int)), this, SLOT(changeBF(int)));
  18. }
  19.  
  20. DLG_EditToolBar::~DLG_EditToolBar()
  21. {
  22.  
  23. }
  24.  
  25. void DLG_EditToolBar::changeBF(int t)
  26. {
  27. 	if (t > 0)
  28. 	{
  29. 		listItem_toolp.clear();              // type QList<QListWidgetItem *>
  30. 		int r = m_activeList->count();
  31. 		for (int i = 0; i < r; i++)
  32. 		{
  33. 			listItem_toolp.append(m_activeList->takeItem(0));
  34. 		}
  35.  
  36. 		m_activeList->clear();
  37.  
  38. 		for (int i = 0; i < listItem_toolaux.count(); i++)
  39. 		{
  40. 			m_activeList->addItem(listItem_toolaux.at(i));
  41. 		}
  42. 	}
  43. 	else
  44. 	{
  45. 		listItem_toolaux.clear();          // type QList<QListWidgetItem *>
  46. 		int r = m_activeList->count();
  47. 		for (int i = 0; i < r; i++)
  48. 		{
  49. 			listItem_toolaux.append(m_activeList->takeItem(0));
  50. 		}
  51.  
  52. 		m_activeList->clear();
  53. 		for (int i = 0; i < listItem_toolp.count(); i++)
  54. 		{
  55. 			m_activeList->addItem(listItem_toolp.at(i));
  56. 		}
  57. 	}
  58. }
  59.  
  60. void DLG_EditToolBar::addAct(QListWidget *p)
  61. {
  62. 	Item *item;
  63. 	for (int i = 0; i < Actions::listTrAction()->count(); i++)
  64. 	{
  65. 		item = new Item(Actions::listTrAction()->at(i), Actions::listTrAction()->at(i)->id(), p);
  66. 	}
  67. }
  68.  
  69. void DLG_EditToolBar::addItem()
  70. {
  71. 	m_activeList->addItem(m_inactiveList->takeItem(m_inactiveList->currentRow()));
  72. }
  73.  
  74. void DLG_EditToolBar::ok()
  75. {
  76. 	foreach (QListWidgetItem *i, listItem_toolp)
  77. 	{
  78.                // here is the problem, it works when using the function AddItem, 
  79.                // but when it does not drag n drop with the mouse.
  80. 		qDebug() << static_cast<Item *>(i)->idAct();
  81.  
  82.  
  83. 		//MainWindow::toolbar->addAction(static_cast<Item *>(i)->action());
  84. 	}
  85.  
  86. 	foreach (QListWidgetItem *i, listItem_toolaux)
  87. 	{
  88. 		//MainWindow::toolbarAux->addAction(static_cast<Item *>(i)->action());
  89. 	}
  90.  
  91. 	this->accept();
  92. }
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Thanks,

Marcelo E. Geyer