| 1 | /* |
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| 2 | SPDX-FileCopyrightText: 2006-2010 Peter Penz <peter.penz@gmx.at> |
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| 3 | SPDX-FileCopyrightText: 2006 Aaron J. Seigo <aseigo@kde.org> |
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| 4 | |
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| 5 | SPDX-License-Identifier: LGPL-2.0-or-later |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef KURLNAVIGATORBUTTONBASE_P_H |
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| 9 | #define KURLNAVIGATORBUTTONBASE_P_H |
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| 10 | |
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| 11 | #include <QColor> |
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| 12 | #include <QPushButton> |
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| 13 | |
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| 14 | class QUrl; |
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| 15 | class QEvent; |
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| 16 | |
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| 17 | class KUrlNavigator; |
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| 18 | |
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| 19 | namespace KDEPrivate |
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| 20 | { |
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| 21 | /** |
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| 22 | * @brief Base class for buttons of the URL navigator. |
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| 23 | * |
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| 24 | * Buttons of the URL navigator offer an active/inactive |
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| 25 | * state and custom display hints. |
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| 26 | */ |
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| 27 | class KUrlNavigatorButtonBase : public QPushButton |
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| 28 | { |
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| 29 | Q_OBJECT |
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| 30 | |
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| 31 | public: |
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| 32 | explicit KUrlNavigatorButtonBase(KUrlNavigator *parent); |
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| 33 | ~KUrlNavigatorButtonBase() override; |
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| 34 | |
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| 35 | /** |
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| 36 | * When having several URL navigator instances, it is important |
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| 37 | * to provide a visual difference to indicate which URL navigator |
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| 38 | * is active (usecase: split view in Dolphin). The activation state |
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| 39 | * is independent from the focus or hover state. |
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| 40 | * Per default the URL navigator button is marked as active. |
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| 41 | */ |
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| 42 | void setActive(bool active); |
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| 43 | bool isActive() const; |
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| 44 | |
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| 45 | protected: |
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| 46 | enum DisplayHint { |
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| 47 | EnteredHint = 1, |
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| 48 | DraggedHint = 2, |
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| 49 | = 4, |
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| 50 | }; |
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| 51 | |
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| 52 | enum { BorderWidth = 2 }; |
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| 53 | |
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| 54 | void setDisplayHintEnabled(DisplayHint hint, bool enable); |
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| 55 | bool isDisplayHintEnabled(DisplayHint hint) const; |
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| 56 | |
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| 57 | void focusInEvent(QFocusEvent *event) override; |
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| 58 | void focusOutEvent(QFocusEvent *event) override; |
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| 59 | |
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| 60 | void enterEvent(QEnterEvent *event) override; |
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| 61 | void leaveEvent(QEvent *event) override; |
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| 62 | |
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| 63 | void drawHoverBackground(QPainter *painter); |
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| 64 | |
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| 65 | /** Returns the foreground color by respecting the current display hint. */ |
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| 66 | QColor foregroundColor() const; |
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| 67 | |
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| 68 | private Q_SLOTS: |
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| 69 | /** Invokes setActive(true). */ |
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| 70 | void activate(); |
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| 71 | |
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| 72 | private: |
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| 73 | bool m_active; |
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| 74 | int m_displayHint; |
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| 75 | }; |
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| 76 | |
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| 77 | } // namespace KDEPrivate |
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| 78 | |
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| 79 | #endif |
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| 80 | |
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