File indexing completed on 2024-04-21 05:43:55
0001 /*************************************************************************** 0002 * Copyright (C) 2005 by David Saxton * 0003 * david@bluehaze.org * 0004 * * 0005 * This program is free software; you can redistribute it and/or modify * 0006 * it under the terms of the GNU General Public License as published by * 0007 * the Free Software Foundation; either version 2 of the License, or * 0008 * (at your option) any later version. * 0009 ***************************************************************************/ 0010 0011 #include "eventinfo.h" 0012 #include "itemdocument.h" 0013 #include "itemview.h" 0014 0015 #include <QMouseEvent> 0016 0017 EventInfo::EventInfo() 0018 { 0019 reset(); 0020 } 0021 0022 EventInfo::EventInfo(ItemView *itemView, QEvent *e) 0023 { 0024 Q_UNUSED(itemView); 0025 Q_UNUSED(e); 0026 reset(); 0027 } 0028 0029 void EventInfo::extractPos(ItemView *itemView, const QPoint &contentsMouseClick) 0030 { 0031 pos = itemView->mousePosToCanvasPos(contentsMouseClick); 0032 } 0033 0034 EventInfo::EventInfo(ItemView *itemView, QMouseEvent *e) 0035 { 0036 reset(); 0037 0038 extractPos(itemView, e->pos()); 0039 globalPos = e->globalPos(); 0040 isRightClick = e->button() == Qt::RightButton; 0041 isMiddleClick = e->button() == Qt::MidButton; 0042 ctrlPressed = e->modifiers() & Qt::ControlModifier; // QMouseEvent::ControlButton; 0043 shiftPressed = e->modifiers() & Qt::ShiftModifier; // QMouseEvent::ShiftButton; 0044 altPressed = e->modifiers() & Qt::AltModifier; // QMouseEvent::AltButton; 0045 if (ItemDocument *id = dynamic_cast<ItemDocument *>(itemView->document())) 0046 qcanvasItemClickedOn = id->itemAtTop(pos); 0047 } 0048 0049 EventInfo::EventInfo(ItemView *itemView, QWheelEvent *e) 0050 { 0051 reset(); 0052 0053 extractPos(itemView, e->position().toPoint()); 0054 globalPos = e->globalPosition().toPoint(); 0055 ctrlPressed = e->modifiers() & Qt::ControlModifier; // QMouseEvent::ControlButton; 0056 shiftPressed = e->modifiers() & Qt::ShiftModifier; // QMouseEvent::ShiftButton; 0057 altPressed = e->modifiers() & Qt::AltModifier; // QMouseEvent::AltButton; 0058 if (ItemDocument *id = dynamic_cast<ItemDocument *>(itemView->document())) 0059 qcanvasItemClickedOn = id->itemAtTop(pos); 0060 pixelDelta = e->pixelDelta(); 0061 angleDelta = e->angleDelta(); 0062 phase = e->phase(); 0063 inverted = e->inverted(); 0064 } 0065 0066 void EventInfo::reset() 0067 { 0068 isRightClick = false; 0069 isMiddleClick = false; 0070 ctrlPressed = false; 0071 shiftPressed = false; 0072 altPressed = false; 0073 qcanvasItemClickedOn = nullptr; 0074 pixelDelta.setX(0); 0075 pixelDelta.setY(0); 0076 angleDelta.setX(0); 0077 angleDelta.setY(0); 0078 phase = Qt::NoScrollPhase; 0079 inverted = false; 0080 } 0081 0082 QMouseEvent *EventInfo::mousePressEvent(int dx, int dy) const 0083 { 0084 return new QMouseEvent(QEvent::MouseButtonPress, 0085 pos + QPoint(dx, dy), 0086 (isRightClick ? Qt::RightButton : Qt::LeftButton), 0087 (isRightClick ? Qt::RightButton : Qt::LeftButton), 0088 (ctrlPressed ? Qt::ControlModifier : Qt::NoModifier) | (shiftPressed ? Qt::ShiftModifier : Qt::NoModifier) | (altPressed ? Qt::AltModifier : Qt::NoModifier)); 0089 } 0090 0091 QMouseEvent *EventInfo::mouseReleaseEvent(int dx, int dy) const 0092 { 0093 return new QMouseEvent(QEvent::MouseButtonRelease, 0094 pos + QPoint(dx, dy), 0095 (isRightClick ? Qt::RightButton : Qt::LeftButton), 0096 Qt::NoButton 0097 /*(isRightClick ? Qt::RightButton : Qt::LeftButton) 0098 * - 2017.09.18 - this is the state after the mouse has been released */ 0099 , 0100 (ctrlPressed ? Qt::ControlModifier : Qt::NoModifier) | (shiftPressed ? Qt::ShiftModifier : Qt::NoModifier) | (altPressed ? Qt::AltModifier : Qt::NoModifier)); 0101 } 0102 0103 QMouseEvent *EventInfo::mouseDoubleClickEvent(int dx, int dy) const 0104 { 0105 return new QMouseEvent(QEvent::MouseButtonDblClick, 0106 pos + QPoint(dx, dy), 0107 (isRightClick ? Qt::RightButton : Qt::LeftButton), 0108 (isRightClick ? Qt::RightButton : Qt::LeftButton), 0109 (ctrlPressed ? Qt::ControlModifier : Qt::NoModifier) | (shiftPressed ? Qt::ShiftModifier : Qt::NoModifier) | (altPressed ? Qt::AltModifier : Qt::NoModifier)); 0110 } 0111 0112 QMouseEvent *EventInfo::mouseMoveEvent(int dx, int dy) const 0113 { 0114 return new QMouseEvent( 0115 QEvent::MouseMove, pos + QPoint(dx, dy), Qt::NoButton, Qt::NoButton, (ctrlPressed ? Qt::ControlModifier : Qt::NoModifier) | (shiftPressed ? Qt::ShiftModifier : Qt::NoModifier) | (altPressed ? Qt::AltModifier : Qt::NoModifier)); 0116 } 0117 0118 QWheelEvent *EventInfo::wheelEvent(int dx, int dy) const 0119 { 0120 return new QWheelEvent( 0121 pos + QPoint(dx, dy), globalPos, 0122 pixelDelta, angleDelta, 0123 Qt::NoButton, 0124 (ctrlPressed ? Qt::ControlModifier : Qt::NoModifier) | (shiftPressed ? Qt::ShiftModifier : Qt::NoModifier) | (altPressed ? Qt::AltModifier : Qt::NoModifier), 0125 phase, inverted); 0126 }