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Diffstat (limited to 'basicsuite/qt5-everywhere/WorldMouseArea.qml')
-rw-r--r-- | basicsuite/qt5-everywhere/WorldMouseArea.qml | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/basicsuite/qt5-everywhere/WorldMouseArea.qml b/basicsuite/qt5-everywhere/WorldMouseArea.qml new file mode 100644 index 0000000..ee22054 --- /dev/null +++ b/basicsuite/qt5-everywhere/WorldMouseArea.qml @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.0 + +MouseArea{ + id: worldMouseArea + anchors.fill: parent + + property int oldX: 0 + property int oldY: 0 + property int startMouseX: 0 + property int startMouseY: 0 + property bool panning: false + + onReleased: { + var dx = mouse.x - startMouseX; + var dy = mouse.y - startMouseY; + + // Check the point only if we didn't move the mouse too much + if (!mouse.wasHeld && Math.abs(dx) <= app.tapLimitX && Math.abs(dy) <= app.tapLimitY) + { + panning = false + var target = null; + var object = mapToItem(canvas, mouse.x, mouse.y) + var item = canvas.childAt(object.x,object.y) + if (item) { + if (item.objectName === 'slide') + target = app.selectTarget(item.uid) + else if (item.objectName === 'group') + target = app.selectGroup(item.uid) + } + + // If we found target, go to the target + if (target) { + canvas.goTo(target, false, item.objectName === 'slide' ? 2 : 1) + zoomAnimation.restart() + } + else // If not target under mouse -> go home + canvas.goHome() + } + } + + onPressed: { + // Save mouse state + oldX = mouse.x + oldY = mouse.y + startMouseX = mouse.x + startMouseY = mouse.y + } + + onPositionChanged: { + var dx = mouse.x - oldX; + var dy = mouse.y - oldY; + + oldX = mouse.x; + oldY = mouse.y; + + if (!zoomAnimation.running && !navigationAnimation.running) + { + panning = true; + canvas.xOffset += dx; + canvas.yOffset += dy; + app.navigationState = 3 //dirty + } + } + onWheel: { + var newScalingFactor = canvas.scalingFactor + if (wheel.angleDelta.y > 0){ + newScalingFactor+=canvas.scalingFactor*.05 + }else{ + newScalingFactor-=canvas.scalingFactor*.05 + } + if (newScalingFactor < app.minScaleFactor) newScalingFactor = app.minScaleFactor + if (newScalingFactor > app.maxScaleFactor) newScalingFactor = app.maxScaleFactor + canvas.scalingFactor = newScalingFactor + } +} |