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1 /*
2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
3  * Copyright (C) 2007 Staikos Computing Services Inc. <info@staikos.net>
4  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "config.h"
29 #include "Scrollbar.h"
30 
31 #include "EventHandler.h"
32 #include "Frame.h"
33 #include "FrameView.h"
34 #include "GraphicsContext.h"
35 #include "IntRect.h"
36 #include "PlatformMouseEvent.h"
37 #include "ScrollableArea.h"
38 #include "ScrollbarTheme.h"
39 
40 #include <QApplication>
41 #include <QDebug>
42 #include <QMenu>
43 #include <QPainter>
44 #include <QStyle>
45 
46 using namespace std;
47 
48 namespace WebCore {
49 
contextMenu(const PlatformMouseEvent & event)50 bool Scrollbar::contextMenu(const PlatformMouseEvent& event)
51 {
52 #ifndef QT_NO_CONTEXTMENU
53     if (!QApplication::style()->styleHint(QStyle::SH_ScrollBar_ContextMenu))
54         return true;
55 
56     bool horizontal = (m_orientation == HorizontalScrollbar);
57 
58     QMenu menu;
59     QAction* actScrollHere = menu.addAction(QCoreApplication::translate("QWebPage", "Scroll here"));
60     menu.addSeparator();
61 
62     QAction* actScrollTop = menu.addAction(horizontal ? QCoreApplication::translate("QWebPage", "Left edge") : QCoreApplication::translate("QWebPage", "Top"));
63     QAction* actScrollBottom = menu.addAction(horizontal ? QCoreApplication::translate("QWebPage", "Right edge") : QCoreApplication::translate("QWebPage", "Bottom"));
64     menu.addSeparator();
65 
66     QAction* actPageUp = menu.addAction(horizontal ? QCoreApplication::translate("QWebPage", "Page left") : QCoreApplication::translate("QWebPage", "Page up"));
67     QAction* actPageDown = menu.addAction(horizontal ? QCoreApplication::translate("QWebPage", "Page right") : QCoreApplication::translate("QWebPage", "Page down"));
68     menu.addSeparator();
69 
70     QAction* actScrollUp = menu.addAction(horizontal ? QCoreApplication::translate("QWebPage", "Scroll left") : QCoreApplication::translate("QWebPage", "Scroll up"));
71     QAction* actScrollDown = menu.addAction(horizontal ? QCoreApplication::translate("QWebPage", "Scroll right") : QCoreApplication::translate("QWebPage", "Scroll down"));
72 
73     const QPoint globalPos = QPoint(event.globalX(), event.globalY());
74     QAction* actionSelected = menu.exec(globalPos);
75 
76     if (actionSelected == actScrollHere) {
77         // Set the pressed position to the middle of the thumb so that when we
78         // do move, the delta will be from the current pixel position of the
79         // thumb to the new position
80         int position = theme()->trackPosition(this) + theme()->thumbPosition(this) + theme()->thumbLength(this) / 2;
81         setPressedPos(position);
82         const QPoint pos = convertFromContainingWindow(event.pos());
83         moveThumb(horizontal ? pos.x() : pos.y());
84     } else if (actionSelected == actScrollTop)
85         scrollableArea()->scroll(horizontal ? ScrollLeft : ScrollUp, ScrollByDocument);
86     else if (actionSelected == actScrollBottom)
87         scrollableArea()->scroll(horizontal ? ScrollRight : ScrollDown, ScrollByDocument);
88     else if (actionSelected == actPageUp)
89         scrollableArea()->scroll(horizontal ? ScrollLeft : ScrollUp, ScrollByPage);
90     else if (actionSelected == actPageDown)
91         scrollableArea()->scroll(horizontal ? ScrollRight : ScrollDown, ScrollByPage);
92     else if (actionSelected == actScrollUp)
93         scrollableArea()->scroll(horizontal ? ScrollLeft : ScrollUp, ScrollByLine);
94     else if (actionSelected == actScrollDown)
95         scrollableArea()->scroll(horizontal ? ScrollRight : ScrollDown, ScrollByLine);
96 #endif // QT_NO_CONTEXTMENU
97     return true;
98 }
99 
100 }
101 
102 // vim: ts=4 sw=4 et
103