【摘录】《KDE2/Qt编程金典》第三章：在窗口中布置部件——3.13 位于其它部件之内的部件(垂直方向上) [复制链接]

1 /* main.cpp */
2 #include <kapp.h>
3 #include “vertlayout.h”
4
5 int main(int argc,char **argv)
6 {
7 KApplication app(argc,argv,”vertlayout”);
8 VertLayout *vertlayout = new VertLayout();
9 vertlayout->show();
10 app.setMainWidget(vertlayout);
11 return(app.exec());
12 }

1 /* vertlayout.h */
2 #ifndef VERTLAYOUT_H
3 #define VERTLAYOUT_H
4
5 #include <qwidget.h>
6 #include <kcontainer.h>
7 #include <qpushbutton.h>
8
9 class VertLayout: public QWidget
10 {
11 public:
12 VertLayout(QWidget *parent=0,const char *name=0);
13 ~VertLayout();
14 private:
15 void add(KContainerLayout *layout,int count,
16 bool homogeneous,bool expand,bool fill);
17 };
18
19 #endif

1 /* vertlayout.cpp */
2 #include “vertlayout.h”
3 #include <qlabel.h>
4
5 VertLayout::VertLayout(QWidget *parent,const char *name)
6 : QWidget(parent,name)
7 {
8 KContainerLayout *layout = new KContainerLayout(this,
9 NULL,
10 KContainerLayout::Horizontal,
11 FALSE,
12 3,
13 0,
14 TRUE);
15
16 int count = 1;
17 add(layout,count++,FALSE,TRUE,TRUE);
18 add(layout,count++,TRUE,TRUE,TRUE);
19 add(layout,count++,FALSE,FALSE,TRUE);
20 add(layout,count++,TRUE,FALSE,TRUE);
21 add(layout,count++,FALSE,TRUE,FALSE);
22 add(layout,count++,TRUE,TRUE,FALSE);
23 add(layout,count++,FALSE,FALSE,FALSE);
24 add(layout,count++,TRUE,FALSE,FALSE);
25
26 layout->sizeToFit();
27 }
28 void VertLayout::add(KContainerLayout *outer,int count,
29 bool homogeneous,bool expand,bool fill)
30 {
31 QPushButton *button;
32
33 KContainerLayout *inner = new KContainerLayout(outer,
34 NULL,
35 KContainerLayout::Vertical,
36 homogeneous,
37 5,
38 0,
39 TRUE);
40
41 QString str(tr(“%1. “).arg(count));
42 QLabel *label = new QLabel(str,outer);
43 label->setMinimumSize(label->sizeHint());
44 label->setMaximumSize(label->sizeHint());
45 outer->packStart(label,FALSE,FALSE);
46
47 button = new QPushButton(inner);
48 button->setText(“Btn 1”);
49 button->setMinimumSize(button->sizeHint());
50 inner->packStart(button,expand,fill);
51
52 button = new QPushButton(inner);
53 button->setText(“Btn\n2”);
54 button->setMinimumSize(button->sizeHint());
55 inner->packStart(button,expand,fill);
56
57 button = new QPushButton(inner);
58 button->setText(“Btn 3”);
59 button->setMinimumSize(button->sizeHint());
60 inner->packStart(button,expand,fill);
61
62 inner->sizeToFit();
63 outer->packStart(inner,TRUE);
64 }
65 VertLayout::~VertLayout() { }