QListWidget添加QCheckBox控件

本文实现的是在QListWidget添加QCheckBox控件功能。

头文件：

1. icdisplaymodel.h
2. #ifndef ICDISPLAYMODEL_H
3. #define ICDISPLAYMODEL_H
5. #include <QWidget>
6. #include "ui_icdisplaymodel.h"
7. //#include "ptcData.h"
9. #include <QListWidget>
10. #include
12. using namespace std;
14. /** \file icdisplaymodel.h
15. * \brief 显示模式.
16. *
17. * 控制点类的显示.\n
18. *
19. * \author
20. * \version 0.1
21. * \date 2015.1.12
22. */
24. class icDisplayModel : public QWidget
25. {
26. Q_OBJECT
28. public :
29. icDisplayModel (QWidget * parent = 0);
30. ~ icDisplayModel ();
32. bool start ();
33. void initListWidget ( QString description );
34. private :
35. Ui ::icDisplayModel ui;
37. private slots :
38. void apply ();
39. void cancel ();
40. void selcetAll ();
41. void selectNone ();
42. private :
43. //插入listwidget
44. bool insertListWidget ( QString description );
45. //获取qcheckbox选择状态
46. void getCheckedState ();
47. };
49. #endif // ICDISPLAYMODEL_H

CPP文件

1. #include "icdisplaymodel.h"
3. #include <QCheckBox>
5. icDisplayModel ::icDisplayModel ( QWidget * parent )
6. : QWidget (parent )
7. {
8. ui .setupUi ( this);
10. connect (ui . applyButton, SIGNAL (clicked ()), this, SLOT (apply ()));
11. connect (ui . cancelButton, SIGNAL (clicked ()), this, SLOT (cancel ()));
12. connect (ui . selectAllButton, SIGNAL (clicked ()), this, SLOT (selcetAll ()));
13. connect (ui . selectNoneButton, SIGNAL (clicked ()), this, SLOT (selectNone ()));
14. }
16. icDisplayModel ::~icDisplayModel ()
17. {
19. }
21. void icDisplayModel :: apply()
22. {
23. getCheckedState ();
24. hide ();
25. }
27. void icDisplayModel :: cancel()
28. {
29. hide ();
30. }
32. //全选
33. void icDisplayModel :: selcetAll()
34. {
35. int count = ui. listWidget ->count ();
36. for (int i=0; i <count ; i++)
37. {
38. QListWidgetItem * item = ui. listWidget ->item ( i);
39. QWidget * widget = ui. listWidget ->itemWidget ( item);
40. QCheckBox * box = ( QCheckBox*) widget ;
41. QString text = box-> text ();
42. box ->setChecked ( true);
43. }
44. }
46. void icDisplayModel :: selectNone()
47. {
48. int count = ui. listWidget ->count ();
49. for (int i=0; i <count ; i++)
50. {
51. QListWidgetItem * item = ui. listWidget ->item ( i);
52. QWidget * widget = ui. listWidget ->itemWidget ( item);
53. QCheckBox * box = ( QCheckBox*) widget ;
54. QString text = box-> text ();
55. box ->setChecked ( false);
56. }
57. }
59. bool icDisplayModel :: start()
60. {
61. show ();
62. return true ;
63. }
65. void icDisplayModel :: initListWidget( QString description )
66. {
67. insertListWidget (description );
68. }
70. bool icDisplayModel :: insertListWidget( QString description )
71. {
72. QListWidgetItem * item = new QListWidgetItem ();
73. //QString str = "box" + QString::number(code);
74. QCheckBox * box = new QCheckBox (description );
75. box ->setCheckable ( true);
76. ui .listWidget -> addItem( item );
77. ui .listWidget -> setItemWidget( item ,box );
78. return true ;
79. }
81. void icDisplayModel :: getCheckedState()
82. {
83. int count = ui. listWidget ->count ();
84. bool isChecked = true;
85. vector <bool > vIsChecked;
86. vIsChecked .clear ();
87. for (int i=0; i <count ; i++)
88. {
89. QListWidgetItem * item = ui. listWidget ->item ( i);
90. QWidget * widget = ui. listWidget ->itemWidget ( item);
91. QCheckBox * box = ( QCheckBox*) widget ;
92. QString text = box-> text ();
93. isChecked = box -> isChecked();
94. vIsChecked .push_back ( isChecked);
95. }
96. }

运行结果