- C.8.1.1. Make a dialog box that can be used to compose and send an email message. The dialog box must contain vertically aligned "From:", "To:", "Cc:", and "Subject:" labels each with a line edit widget to the right. The line edit widgets shall be able to display at least 20 characters regardless of the font size. Beneath the labels, add a multiline edit widget that uses the rest of the available space in the dialog box. The dialog box should have the following action buttons at the bottom: "Address", "Send", and "Cancel". Listing C.26 demonstrates how to create the dialog box and Figure C.1 shows this dialog box.
- C.8.1.2. Change the dialog box so that it no longer contains the "Address" action button. Add a "Help" button instead. Add pushbuttons labeled "Choose…" to the right of the line edit widgets belonging to the "To:" and "Cc:" fields. Listing C.27 shows how to create this dialog (only the constructor has changed from Listing C.26), and Figure C.2 depicts the outcome.
C.8.1.1. Make a dialog box that can be used to compose and send an email message. The dialog box must contain vertically aligned "From:", "To:", "Cc:", and "Subject:" labels each with a line edit widget to the right. The line edit widgets shall be able to display at least 20 characters regardless of the font size. Beneath the labels, add a multiline edit widget that uses the rest of the available space in the dialog box. The dialog box should have the following action buttons at the bottom: "Address", "Send", and "Cancel". Listing C.26 demonstrates how to create the dialog box and Figure C.1 shows this dialog box. 1
2 1: //
3 2: // maildialog.h
4 3: //
5 4:
6 5: #ifndef _MAIL_DIALOG_H_
7 6: #define _MAIL_DIALOG_H_
8 7:
9 8: class QLineEdit;
10 9: class QMultiLineEdit;
11 10: #include <kdialogbase.h>
12 11:
13 12: class MailDialog : public KDialogBase
14 13: {
15 14: Q_OBJECT
16 15:
17 16: public:
18 17: MailDialog(QWidget *parent=0,const char *name=0,bool modal=true);
19 18:
20 19: protected slots:
21 20: virtual void slotUser2();
22 21: virtual void slotUser1();
23 22:
24 23: private:
25 24: QLineEdit *mFromLineEdit;
26 25: QLineEdit *mToLineEdit;
27 26: QLineEdit *mCcLineEdit;
28 27: QLineEdit *mSubjectLineEdit;
29 28: QMultiLineEdit *mBodyTextEdit;
30 29: };
31 30: #endif
32 31:
33 32: //
34 33: // maildialog.cpp
35 34: //
36 35:
37 36: #include <qlabel.h>
38 37: #include <qlayout.h>
39 38: #include <qlineedit.h>
40 39: #include <qmultilineedit.h>
41 40: #include <klocale.h>
42 41:
43 42: #include "maildialog.h"
44 43:
45 44: MailDialog::MailDialog( QWidget *parent, const char *name, bool modal )
46 45: : KDialogBase( parent, name, modal, i18n("Compose Mail"),
47 46: User2|User1|Cancel, Ok, false, i18n("&Send"),
48 47: i18n("&Address") )
49 48: {
50 49: setPlainCaption("Compose Mail");
51 50:
52 51: QWidget *page = new QWidget( this );
53 52: setMainWidget(page);
54 53: QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );
55 54:
56 55: QGridLayout *glay = new QGridLayout(topLayout,4,2);
57 56: QLabel *fromLabel = new QLabel( i18n("From:"), page );
58 57: QLabel *toLabel = new QLabel( i18n("To:"), page );
59 58: QLabel *ccLabel = new QLabel( i18n("Cc:"), page );
60 59: QLabel *subjectLabel = new QLabel( i18n("Subject:"), page );
61 60:
62 61: mFromLineEdit = new QLineEdit( page );
63 62: mToLineEdit = new QLineEdit( page );
64 63: mCcLineEdit = new QLineEdit( page );
65 64: mSubjectLineEdit = new QLineEdit( page );
66 65:
67 66: glay->addWidget( fromLabel, 0, 0, AlignRight );
68 67: glay->addWidget( toLabel, 1, 0, AlignRight );
69 68: glay->addWidget( ccLabel, 2, 0, AlignRight );
70 69: glay->addWidget( subjectLabel, 3, 0, AlignRight );
71 70: glay->addWidget( mFromLineEdit, 0, 1 );
72 71: glay->addWidget( mToLineEdit, 1, 1 );
73 72: glay->addWidget( mCcLineEdit, 2, 1 );
74 73: glay->addWidget( mSubjectLineEdit, 3, 1 );
75 74: mFromLineEdit->setMinimumWidth(fontMetrics().maxWidth()*20);
76 75:
77 76: mBodyTextEdit = new QMultiLineEdit( page );
78 77: topLayout->addWidget( mBodyTextEdit, 10 );
79 78: mBodyTextEdit->setMinimumHeight(fontMetrics().lineSpacing()*10);
80 79: }
81 80:
82 81: void
83 82: MailDialog::slotUser1() // Send
84 83: {
85 84: // Send your mail here
86 85: }
87 86:
88 87: void
89 88: MailDialog::slotUser2() // Addresses
90 89: {
91 90: // Open your address book here
92 91: }
93 92:
94 93:
95 94: //
96 95: // A main.cpp file used to test the dialog
97 96: //
98 97:
99 98: #include <kcmdlineargs.h>
100 99: #include "maildialog.h"
101 100: int main( int argc, char **argv )
102 101: {
103 102: KCmdLineArgs::init(argc, argv, "appname", 0, 0);
104 103: KApplication app;
105 104: MailDialog *dialog = new MailDialog;
106 105: dialog->show();
107 106: int result = app.exec();
108 107: return result;
109 108: }
110 |
C.8.1.2. Change the dialog box so that it no longer contains the "Address" action button. Add a "Help" button instead. Add pushbuttons labeled "Choose…" to the right of the line edit widgets belonging to the "To:" and "Cc:" fields. Listing C.27 shows how to create this dialog (only the constructor has changed from Listing C.26), and Figure C.2 depicts the outcome. 1
2 1: MailDialog::MailDialog( QWidget *parent, const char *name, bool modal )
3 2: : KDialogBase( parent, name, modal, i18n("Compose Mail"),
4 3: Help|User1|Cancel, Ok, false, i18n("&Send") )
5 4: {
6 5: setPlainCaption("Compose Mail");
7 6:
8 7: QWidget *page = new QWidget( this );
9 8: setMainWidget(page);
10 9: QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );
11 10:
12 11: QGridLayout *glay = new QGridLayout(topLayout,4,2);
13 12: QLabel *fromLabel = new QLabel( i18n("From:"), page );
14 13: QLabel *toLabel = new QLabel( i18n("To:"), page );
15 14: QLabel *ccLabel = new QLabel( i18n("Cc:"), page );
16 15: QLabel *subjectLabel = new QLabel( i18n("Subject:"), page );
17 16:
18 17: mFromLineEdit = new QLineEdit( page );
19 18: mToLineEdit = new QLineEdit( page );
20 19: mCcLineEdit = new QLineEdit( page );
21 20: mSubjectLineEdit = new QLineEdit( page );
22 21:
23 22: QPushButton *toPushButton = new QPushButton( i18n("Choose…"), page );
24 23: toPushButton->setAutoDefault( false );
25 24: QPushButton *ccPushButton = new QPushButton( i18n("Choose…"), page );
26 25: ccPushButton->setAutoDefault( false );
27 26:
28 27: glay->addWidget( fromLabel, 0, 0, AlignRight );
29 28: glay->addWidget( toLabel, 1, 0, AlignRight );
30 29: glay->addWidget( ccLabel, 2, 0, AlignRight );
31 30: glay->addWidget( subjectLabel, 3, 0, AlignRight );
32 31: glay->addMultiCellWidget( mFromLineEdit, 0, 0, 1, 2 );
33 32: glay->addWidget( mToLineEdit, 1, 1 );
34 33: glay->addWidget( mCcLineEdit, 2, 1 );
35 34: glay->addMultiCellWidget( mSubjectLineEdit, 3, 3, 1, 2 );
36 35: mFromLineEdit->setMinimumWidth(fontMetrics().maxWidth()*20);
37 36: glay->addWidget( toPushButton, 1, 2 );
38 37: glay->addWidget( ccPushButton, 2, 2 );
39 38:
40 39: mBodyTextEdit = new QMultiLineEdit( page );
41 40: topLayout->addWidget( mBodyTextEdit, 10 );
42 41: mBodyTextEdit->setMinimumHeight(fontMetrics().lineSpacing()*10);
43 42: }
44 |
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