如何在tableview的单元格中呈现自定控件并且可编辑

夏惠霞

是这样的：有一个数据源，假设我用vectcor容器来盛放它。数据源中的每一个数据项包括三个类容：一张图片，一个图片名字，一个复选框用于记录用户是否选择这张图片。这三项内容我打算放到一个frame上，分别用一个qlabel展示图片, 一个qlabel展示图片名,一个qcheckbox用来给用户勾选表示是否保存这张图片。现在，我需要把每一个数据项都呈现到tableview的单元格上，也就是说我想把frame放到单元格中，并且单元格可以编辑。比如说，我点击某个单元格，然后单元格的图片就被选中了，复选框自动勾上勾。
我的问题是：当tableview第一次呈现出来的时候，我需要它能够加载数据源中的数据到每个单元格中，那么我该怎么做？是重写model的data()函数来实现这个功能，还是重写delegate的setEditData()函数？

如果热心的你不嫌麻烦的话，我贴出了我的代码，大致展示一下我的思路（我的代码还是有问题的，只能显示一列单元格，而且frame不显示）：

自定义frame代码：

1. #ifndef THUMBNAILFRAME_H
   
2. #define THUMBNAILFRAME_H
   
3. #include <QFrame>
   
4. #include <QWidget>
   
5. #include <QSize>
   
6. #include <QEvent>
   
7. #include <QCheckBox>
   
8. #include <QPixmap>
   
9. #include <QLabel>
   
10. #include "dataSource.h"
    
11. namespace Ui {
    
12. class thumbnailFrame;
    
13. }
    
14. 
    
15. class thumbnailFrame : public QFrame
    
16. {
    
17. 
    
18. public:
    
19.     explicit thumbnailFrame(DataSource *datasource, QWidget *parent = 0);
    
20.     ~thumbnailFrame();
    
21.     void setThumbnailSize();
    
22.     QSize getThumbnailSize();
    
23.     void setDataSource(DataSource *dataSource);
    
24.     DataSource* getDataSource();
    
25.     void setCheckBox(bool save);
    
26.     QCheckBox * getCheckBox();
    
27.     void setImgShowLabel(QPixmap pixmap);
    
28.     QLabel *getImgShowLabel();
    
29.     void setNameLable(QString name);
    
30.     QLabel *getNameLabel();
    
31. private:
    
32.     Ui::thumbnailFrame *ui;
    
33.     QSize thumbnailSize;  //等于数据源中的iconsize
    
34.     DataSource *dataSource; //数据源规格
    
35. };
    
36. 
    
37. #endif // THUMBNAILFRAME_H
    
38. 
    
39. #include "thumbnailFrame.h"
    
40. #include "ui_thumbnailframe.h"
    
41. thumbnailFrame::thumbnailFrame(DataSource *datasource, QWidget *parent) :
    
42.     QFrame(parent),
    
43.     ui(new Ui::thumbnailFrame)
    
44. {
    
45.     ui->setupUi(this);
    
46.     ui->imgNameLabel->setAlignment(Qt::AlignCenter); //图片名居
    
47.     setDataSource(datasource);
    
48. }
    
49. 
    
50. thumbnailFrame::~thumbnailFrame(){
    
51.     delete ui;
    
52.     delete dataSource;
    
53. }
    
54. 
    
55. void thumbnailFrame::setThumbnailSize(){
    
56.     int icon_width = this->dataSource->getIconSize().width();
    
57.     int icon_height = this->dataSource->getIconSize().height();
    
58.     ui->imgShowLabel->resize(icon_width, icon_height);
    
59.     int name_width = this->dataSource->getNameLabelSize().width();
    
60.     int name_height = this->dataSource->getNameLabelSize().height();
    
61.     ui->imgNameLabel->resize(name_width, name_height);
    
62.     int space_width = this->dataSource->getSpace().width();
    
63.     int space_height = this->dataSource->getSpace().height();
    
64.     int frame_width = icon_width + space_width;
    
65.     int frame_height = icon_height + name_height + space_height;
    
66.     this->thumbnailSize = QSize(frame_width, frame_height);
    
67. }
    
68. 
    
69. QSize thumbnailFrame::getThumbnailSize(){
    
70.     return thumbnailSize;
    
71. }
    
72. 
    
73. void thumbnailFrame::setDataSource(DataSource* dataSource){
    
74.     this->dataSource = dataSource;
    
75. }
    
76. 
    
77. DataSource* thumbnailFrame::getDataSource(){
    
78.     return this->dataSource;
    
79. }
    
80. 
    
81. void thumbnailFrame::setCheckBox(bool save){
    
82.     Qt::CheckState state;
    
83.     if(save == true){
    
84.         state = Qt::Checked;
    
85.     }else{
    
86.         state = Qt::Unchecked;
    
87.     }
    
88.     this->ui->checkBox->setCheckState(state);
    
89. }
    
90. 
    
91. QCheckBox *thumbnailFrame::getCheckBox(){
    
92.     return this->ui->checkBox;
    
93. }
    
94. 
    
95. void thumbnailFrame::setNameLable(QString name){
    
96.     this->ui->imgNameLabel->setText(name);
    
97. }
    
98. 
    
99. QLabel * thumbnailFrame::getNameLabel(){
    
100.     return this->ui->imgNameLabel;
     
101. }
     
102. 
     
103. void thumbnailFrame::setImgShowLabel(QPixmap pixmap){
     
104.     this->ui->imgShowLabel->setPixmap(pixmap);
     
105. }
     

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自定义数据源：

1. #ifndef DATASOURCE_H
   
2. #define DATASOURCE_H
   
3. #include <QObject>
   
4. #include <QVector>
   
5. #include <QPixmap>
   
6. #include <QSize>
   
7. class DataSource : public QObject
   
8. {
   
9.     Q_OBJECT
   
10. public:
    
11.     DataSource(QObject *parent = 0);
    
12.     ~ DataSource();
    
13.     void setName(QString name);
    
14.     QString getName();
    
15.     void setPixMap(QPixmap *pixMap);
    
16.     QPixmap *getPixMap();
    
17.     void setIconSize(QSize size);
    
18.     QSize getIconSize();
    
19.     void setNameLabelSize(QSize size);
    
20.     QSize getNameLabelSize();
    
21.     void setCheckboxSize(QSize size);
    
22.     QSize getCheckboxSize();
    
23.     void setSpace(QSize size);
    
24.     QSize getSpace();
    
25.     void setSave(bool save);
    
26.     bool getSave();
    
27. private:
    
28.     QString name;
    
29.     QPixmap *pixMap;
    
30.     bool save;
    
31.     QSize iconSize;  //缩略图尺寸
    
32.     QSize nameLabelSize; //展现文件名的lable尺寸,宽度最好和缩略图宽度相等
    
33.     QSize checkboxSize; //复选框尺寸
    
34.     QSize space; //间距
    
35. };
    
36. 
    
37. #endif // DATASOURCE_H
    
38. 
    
39. #include "dataSource.h"
    
40. 
    
41. DataSource::DataSource(QObject *parent):QObject(parent)
    
42. {
    
43.     this->name = "";
    
44.     this->pixMap = NULL;
    
45.     this->save = false;
    
46. }
    
47. 
    
48. DataSource::~DataSource(){
    
49.     delete pixMap;
    
50. }
    
51. 
    
52. void DataSource::setName(QString name){
    
53.     this->name = name;
    
54. }
    
55. 
    
56. QString DataSource::getName(){
    
57.     return this->name;
    
58. }
    
59. 
    
60. void DataSource::setPixMap(QPixmap *pixMap){
    
61.     this->pixMap = pixMap;
    
62. }
    
63. 
    
64. QPixmap *DataSource::getPixMap(){
    
65.     return this->pixMap;
    
66. }
    
67. 
    
68. void DataSource::setIconSize(QSize size){
    
69.     this->iconSize = size;
    
70. }
    
71. 
    
72. QSize DataSource::getIconSize(){
    
73.     return this->iconSize;
    
74. }
    
75. 
    
76. void DataSource::setNameLabelSize(QSize size){
    
77.     this->nameLabelSize = size;
    
78. }
    
79. 
    
80. QSize DataSource::getNameLabelSize(){
    
81.     return this->nameLabelSize;
    
82. }
    
83. 
    
84. void DataSource::setCheckboxSize(QSize size){
    
85.     this->checkboxSize = size;
    
86. }
    
87. 
    
88. QSize DataSource::getCheckboxSize(){
    
89.     return this->checkboxSize;
    
90. }
    
91. 
    
92. void DataSource::setSpace(QSize size){
    
93.     this->space = size;
    
94. }
    
95. 
    
96. QSize DataSource::getSpace(){
    
97.     return this->space;
    
98. }
    
99. 
    
100. void DataSource::setSave(bool save){
     
101.     this->save = save;
     
102. }
     
103. 
     
104. bool DataSource::getSave(){
     
105.     return this->save;
     
106. }
     

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自定义delegate:

1. #ifndef THUMBNAILDELEGATE_H
   
2. #define THUMBNAILDELEGATE_H
   
3. #include <QItemDelegate>
   
4. #include <QPainter>
   
5. #include <QStyleOptionViewItem>
   
6. #include <QModelIndex>
   
7. #include <QEvent>
   
8. #include <QPixmap>
   
9. #include "thumbnailFrame.h"
   
10. 
    
11. 
    
12. class ThumbnailDelegate: public QItemDelegate
    
13. {
    
14.     Q_OBJECT
    
15. public:
    
16.     explicit ThumbnailDelegate(DataSource *dataSource, QObject *parent = 0);
    
17.     ~ThumbnailDelegate();
    
18.     void setDataSource(DataSource *datasource);
    
19.     DataSource* getDataSource();
    
20.     void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index)const;
    
21. //    bool editorEvent(QEvent *event,
    
22. //                     QAbstractItemModel *model,
    
23. //                     const QStyleOptionViewItem &option,
    
24. //                     const QModelIndex &index);
    
25.     //返回一个编辑控件，用来编辑指定项的数据
    
26.     virtual QWidget *createEditor(QWidget *parent,
    
27.                           const QStyleOptionViewItem &option,
    
28.                           const QModelIndex &index)const;
    
29.     //将Model中数据赋值到控件上
    
30.     virtual void setEditorData(QWidget *editor, const QModelIndex &index) const;
    
31.     //设定模型数据，根据指定项中对应编辑控件的数据
    
32.     virtual void setModelData(QWidget *editor, QAbstractItemModel *model,
    
33.                       const QModelIndex &index) const;
    
34.     //更新编辑框几何形状
    
35.     virtual void updateEditorGeometry(QWidget *editor,
    
36.             const QStyleOptionViewItem &option, const QModelIndex &index) const;
    
37. 
    
38. private:
    
39.     QPixmap pixMap;
    
40.     thumbnailFrame *frame;
    
41.     DataSource *datasource; //数据源样例
    
42. };
    
43. 
    
44. #endif // THUMBNAILDELEGATE_H
    
45. 
    
46. #include "thumbnailDelegate.h"
    
47. #include <QVariant>
    
48. #include <QRect>
    
49. #include <QStyle>
    
50. #include <QApplication>
    
51. #include <QEvent>
    
52. #include <QVariant>
    
53. #include <QModelIndex>
    
54. //Q_DECLARE_METATYPE(DataSource*)
    
55. //Q_DECLARE_METATYPE(DataSource)
    
56. 
    
57. ThumbnailDelegate::ThumbnailDelegate(DataSource *dataSource, QObject *parent):
    
58.     QItemDelegate(parent){
    
59.     setDataSource(dataSource);
    
60. }
    
61. 
    
62. ThumbnailDelegate::~ThumbnailDelegate(){
    
63.     delete datasource;
    
64. }
    
65. 
    
66. void ThumbnailDelegate::setDataSource(DataSource *datasource){
    
67.     this->datasource = datasource;
    
68. }
    
69. 
    
70. 
    
71. DataSource* ThumbnailDelegate::getDataSource(){
    
72.     return this->datasource;
    
73. }
    
74. 
    
75. QWidget * ThumbnailDelegate::createEditor(QWidget *parent,
    
76.                                           const QStyleOptionViewItem &option,
    
77.                                           const QModelIndex &index)const{
    
78. 
    
79.     thumbnailFrame *frame = new thumbnailFrame(this->datasource, parent);
    
80.     frame->setThumbnailSize();
    
81.     return frame;
    
82. }
    
83. 
    
84. //将Model中数据赋值到控件上
    
85. void ThumbnailDelegate::setEditorData(QWidget *editor,
    
86.                                     const QModelIndex &index) const{
    
87.     //返回该索引的模型，继而返回该模型中此索引的编辑角色数据
    
88.     QVariant var = index.model()->data(index);
    
89.     DataSource *source = var.value<DataSource*>();
    
90.     QString name = source->getName();
    
91.     QPixmap *pixMap = source->getPixMap();
    
92.     bool save = source->getSave();
    
93.     //给控件赋值
    
94.     thumbnailFrame *frame = static_cast<thumbnailFrame*>(editor);
    
95.     frame->setDataSource(this->datasource);
    
96.     frame->setThumbnailSize(); //设置frame上的各个控价大小
    
97.     frame->setCheckBox(save);
    
98.     frame->setImgShowLabel(*pixMap);
    
99.     frame->setNameLable(name);
    
100. }
     
101. 
     
102. void ThumbnailDelegate::setModelData(QWidget *editor,
     
103.                                      QAbstractItemModel *model,
     
104.                                      const QModelIndex &index) const
     
105. {
     
106.     thumbnailFrame *frame = static_cast<thumbnailFrame*>(editor);
     
107.     bool save;
     
108.     if(frame->getCheckBox()->checkState() == Qt::Checked){
     
109.         save = true;
     
110.     }else{
     
111.         save = false;
     
112.     }
     
113.     QString name = frame->getDataSource()->getName();
     
114.     QPixmap *pixMap = frame->getDataSource()->getPixMap();
     
115.     QSize iconSize = frame->getDataSource()->getIconSize();
     
116.     QSize nameLabelSize = frame->getDataSource()->getNameLabelSize();
     
117.     QSize checkboxSize = frame->getDataSource()->getCheckboxSize();
     
118.     QSize space = frame->getDataSource()->getSpace();
     
119.     DataSource *data = new DataSource();
     
120.     data->setPixMap(pixMap);
     
121.     data->setName(name);
     
122.     data->setIconSize(iconSize);
     
123.     data->setCheckboxSize(checkboxSize);
     
124.     data->setSpace(space);
     
125.     data->setNameLabelSize(nameLabelSize);
     
126.     data->setSave(save);
     
127.     //设置模型的数据
     
128.     QVariant var;
     
129.     var.setValue(data);
     
130.     model->setData(index, var);
     
131. }
     
132. 
     
133. void ThumbnailDelegate::updateEditorGeometry(QWidget *editor,
     
134.                                              const QStyleOptionViewItem &option,
     
135.                                              const QModelIndex &index) const{
     
136. 
     
137.     editor->setGeometry(option.rect);
     
138. }
     
139. 
     
140. 
     
141. void ThumbnailDelegate::paint(QPainter *painter,
     
142.                               const QStyleOptionViewItem &option,
     
143.                               const QModelIndex &index) const{
     
144. 
     
145.     const QAbstractItemModel *model = index.model();
     
146.     QVariant var = model->data(index);
     
147.     if(var.isNull()){
     
148.         var = false;
     
149.         return;
     
150.     }
     
151.     //画图
     
152.     QPixmap *pixMap = var.value<DataSource*>()->getPixMap();
     
153.     QSize icon_size = var.value<DataSource*>()->getIconSize(); //图片尺寸
     
154.     QSize space_size = var.value<DataSource*>()->getSpace();
     
155.     QSize checkbox_size = var.value<DataSource*>()->getCheckboxSize();
     
156.     QRect rect = option.rect;
     
157.     int x = rect.x() + space_size.width() / 2;
     
158.     int y = rect.y() + space_size.height() / 2;
     
159.     painter->drawPixmap(x, y, pixMap->scaled((var.value<DataSource*>()->getIconSize())));
     
160.     //画图片名称
     
161.     QString name = var.value<DataSource*>()->getName();
     
162.     int x2 = x;
     
163.     int y2 = y + icon_size.height();
     
164.     painter->drawText(x2, y2, name);
     
165.     painter->end();
     
166. 
     
167.     //画复选框
     
168.     bool checked = var.value<DataSource*>()->getSave();
     
169.     //按钮风格选项
     
170.     QStyleOptionButton *checkBoxOption = new QStyleOptionButton();
     
171.     checkBoxOption->state |= QStyle::State_Enabled;
     
172.     if(checked){
     
173.         checkBoxOption->state |= QStyle::State_On;
     
174.     }else{
     
175.         checkBoxOption->state |= QStyle::State_Off;
     
176.     }
     
177.     int x3 = x + icon_size.width() - checkbox_size.width();
     
178.     int y3 = y;
     
179.     QRect rect2(x3, y3, checkbox_size.width(), checkbox_size.height());
     
180.     checkBoxOption->rect = rect2;
     
181.     QApplication::style()->drawControl(QStyle::CE_CheckBox,checkBoxOption,painter);
     
182. }
     
183. 
     
184. //bool ThumbnailDelegate::editorEvent(QEvent *event,
     
185. //                                    QAbstractItemModel *model,
     
186. //                                    const QStyleOptionViewItem &option,
     
187. //                                    const QModelIndex &index){
     
188. 
     
189. //    if(event->type() == QEvent::MouseButtonPress){
     
190. //        QVariant var = model->data(index);
     
191. //        if(var.value<DataSource>().getSave()){
     
192. //                model->setData();
     
193. //                return true;
     
194. //        }
     
195. //        return false;
     
196. //     }
     
197. //}
     
198. 
     

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自定义model:

1. #ifndef THUMBNAILMODEL_H
   
2. #define THUMBNAILMODEL_H
   
3. #include <QVariant>
   
4. #include <QAbstractTableModel>
   
5. #include "dataSource.h"
   
6. class ThumbnailModel: public QAbstractTableModel
   
7. {
   
8. public:
   
9.     ThumbnailModel(DataSource *dataSource, int tableView_h, int tableView_w, QObject *parent = 0);
   
10.     ~ThumbnailModel();
    
11.     void setVectorDataSource(QVector<DataSource*> vectorDataSource);
    
12.     int rowCount(const QModelIndex &parent) const;
    
13.     int columnCount(const QModelIndex &parent) const;
    
14.     QVariant data(const QModelIndex &index, int role) const;
    
15.     QVariant headerData(int section, Qt::Orientation orientation, int role) const;
    
16.     void setTableView_width(int width);
    
17.     int getTableView_width();
    
18.     void setTableView_height(int height);
    
19.     int getTableView_height();
    
20.     void setDataSource(DataSource *dataSource);
    
21.     DataSource *getDataSource();
    
22. private:
    
23.     QVector<DataSource*> vectorDataSource;  //底层数据
    
24.     int tableView_width;
    
25.     int tableView_heigth;
    
26.     DataSource *dataSource; //底层数据单个范例
    
27. };
    
28. #endif
    
29. 
    
30. #include "thumbnailModel.h"
    
31. #include <QModelIndex>
    
32. 
    
33. //Q_DECLARE_METATYPE(DataSource)
    
34. //Q_DECLARE_METATYPE(DataSource*)
    
35. ThumbnailModel::ThumbnailModel(DataSource *dataSource, int tableview_h, int tableview_w, QObject *parent):
    
36.     QAbstractTableModel(parent)
    
37. {
    
38.     setDataSource(dataSource);
    
39.     setTableView_height(tableview_h);
    
40.     setTableView_width(tableview_w);
    
41. }
    
42. 
    
43. ThumbnailModel::~ThumbnailModel(){
    
44.     delete dataSource;
    
45. }
    
46. 
    
47. void ThumbnailModel::setVectorDataSource(QVector<DataSource*> vectorDataSource){
    
48.     this->vectorDataSource = vectorDataSource;
    
49. }
    
50. 
    
51. void ThumbnailModel::setTableView_width(int width){
    
52.     this->tableView_width = width;
    
53. }
    
54. 
    
55. int ThumbnailModel::getTableView_width(){
    
56.     return this->tableView_width;
    
57. }
    
58. 
    
59. void ThumbnailModel::setTableView_height(int height){
    
60.     this->tableView_heigth = height;
    
61. }
    
62. 
    
63. int ThumbnailModel::getTableView_height(){
    
64.     return this->tableView_heigth;
    
65. }
    
66. 
    
67. void ThumbnailModel::setDataSource(DataSource *datasource){
    
68.     this->dataSource = datasource;
    
69. }
    
70. 
    
71. DataSource* ThumbnailModel::getDataSource(){
    
72.     return this->dataSource;
    
73. }
    
74. 
    
75. int ThumbnailModel::rowCount(const QModelIndex &/*parent*/) const{
    
76.     int frame_height = this->dataSource->getIconSize().height() +
    
77.                        this->dataSource->getNameLabelSize().height() +
    
78.                        this->dataSource->getSpace().height();
    
79.     int rowCount = this->tableView_heigth / frame_height;
    
80.     return rowCount;
    
81. }
    
82. int ThumbnailModel::columnCount(const QModelIndex &/*parent*/) const{
    
83.     int space_width = this->dataSource->getSpace().width();
    
84.     int other_width = this->dataSource->getIconSize().width() > this->dataSource->getNameLabelSize().width()?
    
85.                 this->dataSource->getIconSize().width():
    
86.                 this->dataSource->getNameLabelSize().width();
    
87.     int frame_width = space_width + other_width;
    
88.     int columnCount = this->tableView_width / frame_width;
    
89.     return columnCount;
    
90. }
    
91. 
    
92. QVariant ThumbnailModel::data(const QModelIndex &index, int role) const{
    
93.     if(!index.isValid()){
    
94.         return QVariant();
    
95.     }
    
96.     int row = index.row();
    
97.     int col = index.column();
    
98.     int index_ = row * this->columnCount(QModelIndex()) + col - 1;
    
99.     QVariant var;
    
100.     var.setValue((void *)this->vectorDataSource.at(index_));
     
101.     return var;
     
102. }
     
103. 
     
104. QVariant ThumbnailModel::headerData(int section, Qt::Orientation /* orientation */, int role) const{
     
105.     if(role != Qt::DisplayRole)
     
106.         return QVariant();
     
107.     return section;
     
108. }
     
109. 
     
110. 
     

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定义一个tableview,定义数据源，将自定义委托和模型赋给tableview:

1. #include "mainwindow.h"
   
2. #include "ui_mainwindow.h"
   
3. #include <QDebug>
   
4. #include <QDir>
   
5. #include <QStringList>
   
6. #include <QFileInfo>
   
7. #include <QTableView>
   
8. #include <QList>
   
9. #include <QSize>
   
10. #include <QDebug>
    
11. #include "dataSource.h"
    
12. #include "thumbnailDelegate.h"
    
13. #include "thumbnailFrame.h"
    
14. #include "thumbnailModel.h"
    
15. MainWindow::MainWindow(QWidget *parent) :
    
16.     QMainWindow(parent),
    
17.     ui(new Ui::MainWindow)
    
18. {
    
19.     ui->setupUi(this);
    
20.     QSize icon_size(900, 100);
    
21.     QSize name_label_size(100, 15);
    
22.     QSize checkbox_size(8, 8);
    
23.     QSize space(10, 10);
    
24.     QDir dir("C:/Users/happyxiahuixia/Desktop/threadthumbnail");
    
25.     QStringList filter;
    
26.     filter<<"*.png"<<"*.gif";
    
27.     QFileInfoList fileInfo = dir.entryInfoList(filter);
    
28.     int icon_count = fileInfo.count();
    
29.     qDebug()<<"============================="<<icon_count;
    
30.     /*底层数据源*/
    
31.     QVector<DataSource*> vectorDataSource;
    
32.     /*****单个数据源样例,用于统一delegate,model,底层数据源的控件尺寸*****/
    
33.     DataSource *sampleData = new DataSource();
    
34.     sampleData->setCheckboxSize(checkbox_size);
    
35.     sampleData->setIconSize(icon_size);
    
36.     sampleData->setNameLabelSize(name_label_size);
    
37.     sampleData->setSpace(space);
    
38.     /*******************初始化底层数据源**********************/
    
39.     for(int i = 0; i < icon_count; i++){
    
40.         QString icon_path = fileInfo.at(i).filePath();
    
41.         int index = icon_path.lastIndexOf("/") + 1;
    
42.         QString icon_name = icon_path.mid(index);
    
43.         qDebug()<<icon_name;
    
44.         DataSource *source = new DataSource();
    
45.         QPixmap *tmp = new QPixmap(icon_path);
    
46.         QPixmap *pixMap = new QPixmap(tmp->scaled(icon_size));
    
47.         source->setPixMap(pixMap);
    
48.         qDebug()<<"source's pixmap size:"<<source->getPixMap()->width()<<source->getPixMap()->height();
    
49.         source->setName(icon_name);
    
50.         source->setSave(false);
    
51.         source->setSpace(space);
    
52.         source->setCheckboxSize(checkbox_size);
    
53.         source->setIconSize(icon_size);
    
54.         source->setNameLabelSize(name_label_size);
    
55.         vectorDataSource.append(source);
    
56.     }
    
57.     /*************************添加tableview控件**************/
    
58.     QTableView *tableView = new QTableView(this);
    
59.     this->resize(1000, 1000);
    
60.     tableView->adjustSize();//不可以重新定义尺寸
    
61. 
    
62.     int cell_width = sampleData->getIconSize().width() +
    
63.                        sampleData->getSpace().width();
    
64.     int cell_height = sampleData->getIconSize().height() +
    
65.                         sampleData->getNameLabelSize().height() +
    
66.                         sampleData->getSpace().height();
    
67. //    tableView->horizontalHeader()->setDefaultSectionSize(cell_width);
    
68. //    tableView->verticalHeader()->setDefaultSectionSize(cell_height);
    
69. 
    
70. 
    
71.     /************************自定义委托**********************/
    
72.     ThumbnailDelegate *delegate = new ThumbnailDelegate(sampleData);
    
73.     /************************自定义模型**********************/
    
74.     ThumbnailModel *model = new ThumbnailModel(sampleData, tableView->height(),
    
75.                                                tableView->width());
    
76.     model->setVectorDataSource(vectorDataSource); //设置底层数据源
    
77. 
    
78.     tableView->setModel(model);
    
79.     tableView->setItemDelegate(delegate);
    
80. 
    
81. }
    
82. 
    
83. MainWindow::~MainWindow()
    
84. {
    
85.     delete ui;
    
86. }
    

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a408815041

用delegate。
你可以看看例子
http://www.linuxidc.com/Linux/2012-07/66820.htm

http://blog.163.com/zhaoliping07 ... 761120141049319631/

http://blog.sina.com.cn/s/blog_a6fb6cc90101hhon.html