1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/***************************************************************************
* $Id$
**
* Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
* This file is part of an example program for Qt. This example
* program may be used, distributed and modified without limitation.
**
****************************************************************************/
import org.kde.qt.*;
class ExampleWidget extends TQWidget
{
ExampleWidget( )
{
this(null, null);
}
ExampleWidget( TQWidget parent, String name )
{
super( parent, name );
// Make the top-level layout; a vertical box to contain all widgets
// and sub-layouts.
TQBoxLayout topLayout = new TQVBoxLayout( this, 5 );
// Create a menubar...
TQMenuBar menubar = new TQMenuBar( this );
menubar.setSeparator( TQMenuBar.InWindowsStyle );
TQPopupMenu popup;
popup = new TQPopupMenu( this );
popup.insertItem( "&Quit", qApp(), SLOT("quit()") );
menubar.insertItem( "&File", popup );
// ...and tell the layout about it.
topLayout.setMenuBar( menubar );
// Make an hbox that will hold a row of buttons.
TQBoxLayout buttons = new TQHBoxLayout( topLayout );
int i;
for ( i = 1; i <= 4; i++ ) {
TQPushButton but = new TQPushButton( this );
String s = "Button " + i;
but.setText( s );
// Set horizontal stretch factor to 10 to let the buttons
// stretch horizontally. The buttons will not stretch
// vertically, since bigWidget below will take up vertical
// stretch.
buttons.addWidget( but, 10 );
// (Actually, the result would have been the same with a
// stretch factor of 0; if no items in a layout have non-zero
// stretch, the space is divided equally between members.)
}
// Make another hbox that will hold a left-justified row of buttons.
TQBoxLayout buttons2 = new TQHBoxLayout( topLayout );
TQPushButton but = new TQPushButton( "Button five", this );
buttons2.addWidget( but );
but = new TQPushButton( "Button 6", this );
buttons2.addWidget( but );
// Fill up the rest of the hbox with stretchable space, so that
// the buttons get their minimum width and are pushed to the left.
buttons2.addStretch( 10 );
// Make a big widget that will grab all space in the middle.
TQMultiLineEdit bigWidget = new TQMultiLineEdit( this );
bigWidget.setText( "This widget will get all the remaining space" );
bigWidget.setFrameStyle( TQFrame.Panel | TQFrame.Plain );
// Set vertical stretch factor to 10 to let the bigWidget stretch
// vertically. It will stretch horizontally because there are no
// widgets beside it to take up horizontal stretch.
// topLayout.addWidget( bigWidget, 10 );
topLayout.addWidget( bigWidget );
// Make a grid that will hold a vertical table of TQLabel/TQLineEdit
// pairs next to a large TQMultiLineEdit.
// Don't use hard-coded row/column numbers in TQGridLayout, you'll
// regret it when you have to change the layout.
int numRows = 3;
int labelCol = 0;
int linedCol = 1;
int multiCol = 2;
// Let the grid-layout have a spacing of 10 pixels between
// widgets, overriding the default from topLayout.
TQGridLayout grid = new TQGridLayout( topLayout, 0, 0, 10 );
int row;
for ( row = 0; row < numRows; row++ ) {
TQLineEdit ed = new TQLineEdit( this );
// The line edit goes in the second column
grid.addWidget( ed, row, linedCol );
// Make a label that is a buddy of the line edit
String s= "Line &" + (row+1);
TQLabel label = new TQLabel( ed, s, this );
// The label goes in the first column.
grid.addWidget( label, row, labelCol );
}
// The multiline edit will cover the entire vertical range of the
// grid (rows 0 to numRows) and stay in column 2.
TQMultiLineEdit med = new TQMultiLineEdit( this );
grid.addMultiCellWidget( med, 0, -1, multiCol, multiCol );
// The labels will take the space they need. Let the remaining
// horizontal space be shared so that the multiline edit gets
// twice as much as the line edit.
grid.setColStretch( linedCol, 10 );
grid.setColStretch( multiCol, 20 );
// Add a widget at the bottom.
TQLabel sb = new TQLabel( this );
sb.setText( "Let's pretend this is a status bar" );
sb.setFrameStyle( TQFrame.Panel | TQFrame.Sunken );
// This widget will use all horizontal space, and have a fixed height.
// we should have made a subclass and implemented sizePolicy there...
sb.setFixedHeight( sb.sizeHint().height() );
sb.setAlignment( AlignVCenter | AlignLeft );
topLayout.addWidget( sb );
topLayout.activate();
}
public static void main( String[] args )
{
TQApplication a = new TQApplication( args );
ExampleWidget f = new ExampleWidget();
a.setMainWidget(f);
f.setCaption("Qt Example - Caption");
f.show();
a.exec();
return;
}
static {
qtjava.initialize();
}
}
|
