| 1 | /* |
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| 2 | SPDX-FileCopyrightText: 2014 Montel Laurent <montel@kde.org> |
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| 3 | based on code: |
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| 4 | SPDX-FileCopyrightText: 2009 Aurélien Gâteau <agateau@kde.org> |
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| 5 | |
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| 6 | SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL |
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| 7 | */ |
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| 8 | #ifndef KSPLITTERCOLLAPSERBUTTON_H |
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| 9 | #define KSPLITTERCOLLAPSERBUTTON_H |
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| 10 | |
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| 11 | // Qt |
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| 12 | #include <QToolButton> |
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| 13 | #include <kwidgetsaddons_export.h> |
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| 14 | #include <memory> |
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| 15 | |
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| 16 | class QSplitter; |
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| 17 | |
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| 18 | /*! |
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| 19 | * \class KSplitterCollapserButton |
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| 20 | * \inmodule KWidgetsAddons |
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| 21 | * |
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| 22 | * \brief A button which appears on the side of a splitter handle and allows easy |
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| 23 | * collapsing of the widget on the opposite side |
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| 24 | * \since 5.5 |
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| 25 | */ |
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| 26 | class KWIDGETSADDONS_EXPORT KSplitterCollapserButton : public QToolButton |
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| 27 | { |
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| 28 | Q_OBJECT |
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| 29 | public: |
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| 30 | /*! |
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| 31 | * KSplitterCollapserButton create a splitter collapser |
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| 32 | * |
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| 33 | * \a childWidget the widget, child of the splitter, whose size is controlled by this collapser |
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| 34 | * |
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| 35 | * \a splitter the splitter which this collapser should be associated with. |
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| 36 | */ |
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| 37 | explicit KSplitterCollapserButton(QWidget *childWidget, QSplitter *splitter); |
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| 38 | |
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| 39 | ~KSplitterCollapserButton() override; |
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| 40 | |
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| 41 | /*! |
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| 42 | * Returns \c true if splitter is collapsed. |
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| 43 | */ |
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| 44 | bool isWidgetCollapsed() const; |
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| 45 | |
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| 46 | QSize sizeHint() const override; |
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| 47 | |
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| 48 | public Q_SLOTS: |
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| 49 | /*! |
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| 50 | * This function collapses the splitter if splitter is not collapsed. |
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| 51 | */ |
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| 52 | void collapse(); |
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| 53 | /*! |
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| 54 | * Call this function to restore previous splitter position. |
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| 55 | */ |
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| 56 | void restore(); |
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| 57 | /*! |
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| 58 | * This function allows to collapse or not the splitter. |
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| 59 | * |
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| 60 | * \a collapsed if the splitter should be collapsed |
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| 61 | */ |
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| 62 | void setCollapsed(bool collapsed); |
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| 63 | |
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| 64 | private Q_SLOTS: |
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| 65 | KWIDGETSADDONS_NO_EXPORT void slotClicked(); |
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| 66 | |
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| 67 | protected: |
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| 68 | bool eventFilter(QObject *, QEvent *) override; |
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| 69 | void paintEvent(QPaintEvent *) override; |
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| 70 | void enterEvent(QEnterEvent *event) override; |
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| 71 | void leaveEvent(QEvent *event) override; |
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| 72 | void showEvent(QShowEvent *event) override; |
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| 73 | |
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| 74 | private: |
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| 75 | std::unique_ptr<class KSplitterCollapserButtonPrivate> const d; |
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| 76 | }; |
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| 77 | |
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| 78 | #endif /* KSPLITTERCOLLAPSERBUTTON_H */ |
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| 79 | |
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