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28 
29 //
30 //  W A R N I N G
31 //  -------------
32 //
33 // This file is not part of the Qt API.  It exists for the convenience
34 // of Qt Designer.  This header
35 // file may change from version to version without notice, or even be removed.
36 //
37 // We mean it.
38 //
39 
40 #ifndef QDESIGNER_ABTRACT_LANGUAGE_H
41 #define QDESIGNER_ABTRACT_LANGUAGE_H
42 
43 #include <QtDesigner/extension.h>
44 
45 QT_BEGIN_NAMESPACE
46 
47 class QDialog;
48 class QWidget;
49 class QDesignerFormWindowInterface;
50 class QDesignerFormEditorInterface;
51 class QDesignerResourceBrowserInterface;
52 
53 class QDesignerLanguageExtension
54 {
55 public:
~QDesignerLanguageExtension()56     virtual ~QDesignerLanguageExtension() {}
57 
58     /*!
59         Returns the name to be matched against the "language" attribute of the <ui> element.
60 
61         \since 5.0
62      */
63 
64     virtual QString name() const = 0;
65 
66     virtual QDialog *createFormWindowSettingsDialog(QDesignerFormWindowInterface *formWindow, QWidget *parentWidget) = 0;
67     virtual QDesignerResourceBrowserInterface *createResourceBrowser(QWidget *parentWidget) = 0;
68 
69     virtual QDialog *createPromotionDialog(QDesignerFormEditorInterface *formEditor, QWidget *parentWidget = nullptr) = 0;
70 
71     virtual QDialog *createPromotionDialog(QDesignerFormEditorInterface *formEditor,
72                                            const QString &promotableWidgetClassName,
73                                            QString *promoteToClassName,
74                                            QWidget *parentWidget = nullptr) = 0;
75 
76     virtual bool isLanguageResource(const QString &path) const = 0;
77 
78     virtual QString classNameOf(QObject *object) const = 0;
79 
80     virtual bool signalMatchesSlot(const QString &signal, const QString &slot) const = 0;
81 
82     virtual QString widgetBoxContents() const = 0;
83 
84     virtual QString uiExtension() const = 0;
85 };
86 
87 Q_DECLARE_EXTENSION_INTERFACE(QDesignerLanguageExtension, "org.qt-project.Qt.Designer.Language.3")
88 
89 QT_END_NAMESPACE
90 
91 #endif // QDESIGNER_ABTRACT_LANGUAGE_H
92