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3** Copyright (C) 2016 The Qt Company Ltd.
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6** This file is part of the Qt Designer of the Qt Toolkit.
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27****************************************************************************/
28
29#ifndef SIGNALSLOTEDITOR_P_H
30#define SIGNALSLOTEDITOR_P_H
31
32//
33// W A R N I N G
34// -------------
35//
36// This file is not part of the Qt API. It exists purely as an
37// implementation detail. This header file may change from version to
38// version without notice, or even be removed.
39//
40// We mean it.
41//
42
43#include <QtCore/qstring.h>
44#include <QtCore/qstringlist.h>
45#include <QtCore/qlist.h>
46#include <QtCore/qpointer.h>
47#include <QtCore/qabstractitemmodel.h>
48
49#include <connectionedit_p.h>
50
51QT_BEGIN_NAMESPACE
52
53class QDesignerFormWindowInterface;
54class QDesignerFormEditorInterface;
55class DomConnection;
56
57namespace qdesigner_internal {
58
59class SignalSlotEditor;
60
61class SignalSlotConnection : public Connection
62{
63public:
64 explicit SignalSlotConnection(ConnectionEdit *edit, QWidget *source = nullptr, QWidget *target = nullptr);
65
66 void setSignal(const QString &signal);
67 void setSlot(const QString &slot);
68
69 QString sender() const;
70 QString receiver() const;
71 inline QString signal() const { return m_signal; }
72 inline QString slot() const { return m_slot; }
73
74 DomConnection *toUi() const;
75
76 void updateVisibility() override;
77
78 enum State { Valid, ObjectDeleted, InvalidMethod, NotAncestor };
79 State isValid(const QWidget *background) const;
80
81 // format for messages, etc.
82 QString toString() const;
83
84private:
85 QString m_signal, m_slot;
86};
87
88class ConnectionModel : public QAbstractItemModel
89{
90 Q_OBJECT
91public:
92 explicit ConnectionModel(QObject *parent = nullptr);
93 void setEditor(SignalSlotEditor *editor = nullptr);
94
95 QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
96 QModelIndex parent(const QModelIndex &child) const override;
97 int rowCount(const QModelIndex &parent = QModelIndex()) const override;
98 int columnCount(const QModelIndex &parent = QModelIndex()) const override;
99 QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
100 bool setData(const QModelIndex &index, const QVariant &data, int role = Qt::DisplayRole) override;
101 Qt::ItemFlags flags(const QModelIndex &index) const override;
102 QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
103
104 QModelIndex connectionToIndex(Connection *con) const;
105 Connection *indexToConnection(const QModelIndex &index) const;
106 void updateAll();
107
108 const SignalSlotConnection *connectionAt(const QModelIndex &index) const;
109 static QString columnText(const SignalSlotConnection *con, int column);
110
111private slots:
112 void connectionAdded(Connection *con);
113 void connectionRemoved(int idx);
114 void aboutToRemoveConnection(Connection *con);
115 void aboutToAddConnection(int idx);
116 void connectionChanged(Connection *con);
117
118private:
119 QPointer<SignalSlotEditor> m_editor;
120};
121
122} // namespace qdesigner_internal
123
124QT_END_NAMESPACE
125
126#endif // SIGNALSLOTEDITOR_P_H
127

source code of qttools/src/designer/src/components/signalsloteditor/signalsloteditor_p.h