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39
40#ifndef QMESSAGEBOX_H
41#define QMESSAGEBOX_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44
45#include <QtWidgets/qdialog.h>
46
47QT_REQUIRE_CONFIG(messagebox);
48
49QT_BEGIN_NAMESPACE
50
51class QLabel;
52class QMessageBoxPrivate;
53class QAbstractButton;
54class QCheckBox;
55
56class Q_WIDGETS_EXPORT QMessageBox : public QDialog
57{
58 Q_OBJECT
59 Q_PROPERTY(QString text READ text WRITE setText)
60 Q_PROPERTY(Icon icon READ icon WRITE setIcon)
61 Q_PROPERTY(QPixmap iconPixmap READ iconPixmap WRITE setIconPixmap)
62 Q_PROPERTY(Qt::TextFormat textFormat READ textFormat WRITE setTextFormat)
63 Q_PROPERTY(StandardButtons standardButtons READ standardButtons WRITE setStandardButtons)
64#if QT_CONFIG(textedit)
65 Q_PROPERTY(QString detailedText READ detailedText WRITE setDetailedText)
66#endif
67 Q_PROPERTY(QString informativeText READ informativeText WRITE setInformativeText)
68 Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags)
69
70public:
71 enum Icon {
72 // keep this in sync with QMessageDialogOptions::Icon
73 NoIcon = 0,
74 Information = 1,
75 Warning = 2,
76 Critical = 3,
77 Question = 4
78 };
79 Q_ENUM(Icon)
80
81 enum ButtonRole {
82 // keep this in sync with QDialogButtonBox::ButtonRole and QPlatformDialogHelper::ButtonRole
83 InvalidRole = -1,
84 AcceptRole,
85 RejectRole,
86 DestructiveRole,
87 ActionRole,
88 HelpRole,
89 YesRole,
90 NoRole,
91 ResetRole,
92 ApplyRole,
93
94 NRoles
95 };
96
97 enum StandardButton {
98 // keep this in sync with QDialogButtonBox::StandardButton and QPlatformDialogHelper::StandardButton
99 NoButton = 0x00000000,
100 Ok = 0x00000400,
101 Save = 0x00000800,
102 SaveAll = 0x00001000,
103 Open = 0x00002000,
104 Yes = 0x00004000,
105 YesToAll = 0x00008000,
106 No = 0x00010000,
107 NoToAll = 0x00020000,
108 Abort = 0x00040000,
109 Retry = 0x00080000,
110 Ignore = 0x00100000,
111 Close = 0x00200000,
112 Cancel = 0x00400000,
113 Discard = 0x00800000,
114 Help = 0x01000000,
115 Apply = 0x02000000,
116 Reset = 0x04000000,
117 RestoreDefaults = 0x08000000,
118
119 FirstButton = Ok, // internal
120 LastButton = RestoreDefaults, // internal
121
122 YesAll = YesToAll, // obsolete
123 NoAll = NoToAll, // obsolete
124
125 Default = 0x00000100, // obsolete
126 Escape = 0x00000200, // obsolete
127 FlagMask = 0x00000300, // obsolete
128 ButtonMask = ~FlagMask // obsolete
129 };
130 typedef StandardButton Button; // obsolete
131
132 Q_DECLARE_FLAGS(StandardButtons, StandardButton)
133 Q_FLAG(StandardButtons)
134
135 explicit QMessageBox(QWidget *parent = nullptr);
136 QMessageBox(Icon icon, const QString &title, const QString &text,
137 StandardButtons buttons = NoButton, QWidget *parent = nullptr,
138 Qt::WindowFlags flags = Qt::Dialog | Qt::MSWindowsFixedSizeDialogHint);
139 ~QMessageBox();
140
141 void addButton(QAbstractButton *button, ButtonRole role);
142 QPushButton *addButton(const QString &text, ButtonRole role);
143 QPushButton *addButton(StandardButton button);
144 void removeButton(QAbstractButton *button);
145
146 using QDialog::open;
147 void open(QObject *receiver, const char *member);
148
149 QList<QAbstractButton *> buttons() const;
150 ButtonRole buttonRole(QAbstractButton *button) const;
151
152 void setStandardButtons(StandardButtons buttons);
153 StandardButtons standardButtons() const;
154 StandardButton standardButton(QAbstractButton *button) const;
155 QAbstractButton *button(StandardButton which) const;
156
157 QPushButton *defaultButton() const;
158 void setDefaultButton(QPushButton *button);
159 void setDefaultButton(StandardButton button);
160
161 QAbstractButton *escapeButton() const;
162 void setEscapeButton(QAbstractButton *button);
163 void setEscapeButton(StandardButton button);
164
165 QAbstractButton *clickedButton() const;
166
167 QString text() const;
168 void setText(const QString &text);
169
170 Icon icon() const;
171 void setIcon(Icon);
172
173 QPixmap iconPixmap() const;
174 void setIconPixmap(const QPixmap &pixmap);
175
176 Qt::TextFormat textFormat() const;
177 void setTextFormat(Qt::TextFormat format);
178
179 void setTextInteractionFlags(Qt::TextInteractionFlags flags);
180 Qt::TextInteractionFlags textInteractionFlags() const;
181
182 void setCheckBox(QCheckBox *cb);
183 QCheckBox* checkBox() const;
184
185 static StandardButton information(QWidget *parent, const QString &title,
186 const QString &text, StandardButtons buttons = Ok,
187 StandardButton defaultButton = NoButton);
188 static StandardButton question(QWidget *parent, const QString &title,
189 const QString &text, StandardButtons buttons = StandardButtons(Yes | No),
190 StandardButton defaultButton = NoButton);
191 static StandardButton warning(QWidget *parent, const QString &title,
192 const QString &text, StandardButtons buttons = Ok,
193 StandardButton defaultButton = NoButton);
194 static StandardButton critical(QWidget *parent, const QString &title,
195 const QString &text, StandardButtons buttons = Ok,
196 StandardButton defaultButton = NoButton);
197 static void about(QWidget *parent, const QString &title, const QString &text);
198 static void aboutQt(QWidget *parent, const QString &title = QString());
199
200 // the following functions are obsolete:
201
202 QMessageBox(const QString &title, const QString &text, Icon icon,
203 int button0, int button1, int button2,
204 QWidget *parent = nullptr,
205 Qt::WindowFlags f = Qt::Dialog | Qt::MSWindowsFixedSizeDialogHint);
206
207 static int information(QWidget *parent, const QString &title,
208 const QString& text,
209 int button0, int button1 = 0, int button2 = 0);
210 static int information(QWidget *parent, const QString &title,
211 const QString& text,
212 const QString& button0Text,
213 const QString& button1Text = QString(),
214 const QString& button2Text = QString(),
215 int defaultButtonNumber = 0,
216 int escapeButtonNumber = -1);
217 inline static StandardButton information(QWidget *parent, const QString &title,
218 const QString& text,
219 StandardButton button0, StandardButton button1 = NoButton)
220 { return information(parent, title, text, buttons: StandardButtons(button0), defaultButton: button1); }
221
222 static int question(QWidget *parent, const QString &title,
223 const QString& text,
224 int button0, int button1 = 0, int button2 = 0);
225 static int question(QWidget *parent, const QString &title,
226 const QString& text,
227 const QString& button0Text,
228 const QString& button1Text = QString(),
229 const QString& button2Text = QString(),
230 int defaultButtonNumber = 0,
231 int escapeButtonNumber = -1);
232 inline static int question(QWidget *parent, const QString &title,
233 const QString& text,
234 StandardButton button0, StandardButton button1)
235 { return question(parent, title, text, buttons: StandardButtons(button0), defaultButton: button1); }
236
237 static int warning(QWidget *parent, const QString &title,
238 const QString& text,
239 int button0, int button1, int button2 = 0);
240 static int warning(QWidget *parent, const QString &title,
241 const QString& text,
242 const QString& button0Text,
243 const QString& button1Text = QString(),
244 const QString& button2Text = QString(),
245 int defaultButtonNumber = 0,
246 int escapeButtonNumber = -1);
247 inline static int warning(QWidget *parent, const QString &title,
248 const QString& text,
249 StandardButton button0, StandardButton button1)
250 { return warning(parent, title, text, buttons: StandardButtons(button0), defaultButton: button1); }
251
252 static int critical(QWidget *parent, const QString &title,
253 const QString& text,
254 int button0, int button1, int button2 = 0);
255 static int critical(QWidget *parent, const QString &title,
256 const QString& text,
257 const QString& button0Text,
258 const QString& button1Text = QString(),
259 const QString& button2Text = QString(),
260 int defaultButtonNumber = 0,
261 int escapeButtonNumber = -1);
262 inline static int critical(QWidget *parent, const QString &title,
263 const QString& text,
264 StandardButton button0, StandardButton button1)
265 { return critical(parent, title, text, buttons: StandardButtons(button0), defaultButton: button1); }
266
267 QString buttonText(int button) const;
268 void setButtonText(int button, const QString &text);
269
270 QString informativeText() const;
271 void setInformativeText(const QString &text);
272
273#if QT_CONFIG(textedit)
274 QString detailedText() const;
275 void setDetailedText(const QString &text);
276#endif
277
278 void setWindowTitle(const QString &title);
279 void setWindowModality(Qt::WindowModality windowModality);
280
281
282 static QPixmap standardIcon(Icon icon);
283
284Q_SIGNALS:
285 void buttonClicked(QAbstractButton *button);
286
287#ifdef Q_CLANG_QDOC
288public Q_SLOTS:
289 int exec() override;
290#endif
291
292protected:
293 bool event(QEvent *e) override;
294 void resizeEvent(QResizeEvent *event) override;
295 void showEvent(QShowEvent *event) override;
296 void closeEvent(QCloseEvent *event) override;
297 void keyPressEvent(QKeyEvent *event) override;
298 void changeEvent(QEvent *event) override;
299
300private:
301 Q_PRIVATE_SLOT(d_func(), void _q_buttonClicked(QAbstractButton *))
302 Q_PRIVATE_SLOT(d_func(), void _q_clicked(QPlatformDialogHelper::StandardButton, QPlatformDialogHelper::ButtonRole))
303
304 Q_DISABLE_COPY(QMessageBox)
305 Q_DECLARE_PRIVATE(QMessageBox)
306};
307
308Q_DECLARE_OPERATORS_FOR_FLAGS(QMessageBox::StandardButtons)
309
310#define QT_REQUIRE_VERSION(argc, argv, str) { QString s = QString::fromLatin1(str);\
311QString sq = QString::fromLatin1(qVersion()); \
312if ((sq.section(QChar::fromLatin1('.'),0,0).toInt()<<16)+\
313(sq.section(QChar::fromLatin1('.'),1,1).toInt()<<8)+\
314sq.section(QChar::fromLatin1('.'),2,2).toInt()<(s.section(QChar::fromLatin1('.'),0,0).toInt()<<16)+\
315(s.section(QChar::fromLatin1('.'),1,1).toInt()<<8)+\
316s.section(QChar::fromLatin1('.'),2,2).toInt()) { \
317if (!qApp){ \
318 new QApplication(argc,argv); \
319} \
320QString s = QApplication::tr("Executable '%1' requires Qt "\
321 "%2, found Qt %3.").arg(qAppName()).arg(QString::fromLatin1(\
322str)).arg(QString::fromLatin1(qVersion())); QMessageBox::critical(0, QApplication::tr(\
323"Incompatible Qt Library Error"), s, QMessageBox::Abort, 0); qFatal("%s", s.toLatin1().data()); }}
324
325QT_END_NAMESPACE
326
327#endif // QMESSAGEBOX_H
328

source code of qtbase/src/widgets/dialogs/qmessagebox.h