monero-gui/components/MenuButton.qml

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// Copyright (c) 2014-2018, The Monero Project
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//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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.
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import QtQuick 2.9
import QtGraphicalEffects 1.0
import "../components" as MoneroComponents
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import "effects/" as MoneroEffects
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Rectangle {
id: button
property alias text: label.text
property bool checked: false
property alias symbol: symbolText.text
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property int numSelectedChildren: 0
property var under: null
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signal clicked()
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function doClick() {
// Android workaround
releaseFocus();
clicked();
}
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function getOffset() {
var offset = 0
var item = button
while (item.under) {
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offset += 20
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item = item.under
}
return offset
}
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color: "transparent"
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property bool present: !under || under.checked || checked || under.numSelectedChildren > 0
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height: present ? ((appWindow.height >= 800) ? 44 : 38 ) : 0
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LinearGradient {
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visible: isOpenGL && button.checked
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height: parent.height
width: 260
anchors.verticalCenter: parent.verticalCenter
anchors.right: parent.right
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anchors.rightMargin: -20
anchors.leftMargin: parent.getOffset()
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start: Qt.point(width, 0)
end: Qt.point(0, 0)
gradient: Gradient {
GradientStop { position: 0.0; color: MoneroComponents.Style.menuButtonGradientStart }
GradientStop { position: 1.0; color: MoneroComponents.Style.menuButtonGradientStop }
}
}
// fallback hover effect when opengl is not available
Rectangle {
visible: !isOpenGL && button.checked
anchors.fill: parent
color: MoneroComponents.Style.menuButtonFallbackBackgroundColor
}
// button decorations that are subject to leftMargin offsets
Rectangle {
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anchors.left: parent.left
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anchors.leftMargin: 20
height: parent.height
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width: 2
color: button.checked ? MoneroComponents.Style.buttonBackgroundColor : "transparent"
// button text
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MoneroComponents.TextPlain {
id: label
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color: MoneroComponents.Style.menuButtonTextColor
themeTransitionBlackColor: MoneroComponents.Style._b_menuButtonTextColor
themeTransitionWhiteColor: MoneroComponents.Style._w_menuButtonTextColor
anchors.verticalCenter: parent.verticalCenter
anchors.left: parent.right
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anchors.leftMargin: button.getOffset() + 8
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font.bold: true
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font.pixelSize: 14
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}
}
// menu button right arrow
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MoneroEffects.ImageMask {
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anchors.verticalCenter: parent.verticalCenter
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anchors.leftMargin: parent.getOffset()
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anchors.right: parent.right
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anchors.rightMargin: 20
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height: 14
width: 8
image: MoneroComponents.Style.menuButtonImageRightSource
color: button.checked ? MoneroComponents.Style.menuButtonImageRightColorActive : MoneroComponents.Style.menuButtonImageRightColor
opacity: button.checked ? 0.8 : 0.25
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}
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MoneroComponents.TextPlain {
id: symbolText
anchors.right: parent.right
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anchors.rightMargin: 44
anchors.verticalCenter: parent.verticalCenter
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font.pixelSize: 12
font.bold: true
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color: MoneroComponents.Style.menuButtonTextColor
visible: appWindow.ctrlPressed
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themeTransition: false
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}
MouseArea {
id: buttonArea
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
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onClicked: {
if(parent.checked)
return
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button.doClick()
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parent.checked = true
}
}
transform: Scale {
yScale: button.present ? 1 : 0
Behavior on yScale {
NumberAnimation { duration: 200; easing.type: Easing.OutCubic }
}
}
Behavior on height {
SequentialAnimation {
NumberAnimation { duration: 200; easing.type: Easing.OutCubic }
}
}
Behavior on checked {
// we get the value of checked before the change
ScriptAction { script: if (under) under.numSelectedChildren += checked > 0 ? -1 : 1 }
}
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}