407 lines
17 KiB
QML
407 lines
17 KiB
QML
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the Qt Quick Controls module of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 3 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL3 included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 3 requirements
|
|
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 2.0 or (at your option) the GNU General
|
|
** Public license version 3 or any later version approved by the KDE Free
|
|
** Qt Foundation. The licenses are as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
|
|
** included in the packaging of this file. Please review the following
|
|
** information to ensure the GNU General Public License requirements will
|
|
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
|
|
** https://www.gnu.org/licenses/gpl-3.0.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
import QtQuick 2.2
|
|
import QtQuick.Controls 1.2
|
|
import QtQuick.Controls.Private 1.0
|
|
|
|
/*!
|
|
\qmltype ScrollViewStyle
|
|
\inqmlmodule QtQuick.Controls.Styles
|
|
\since 5.1
|
|
\ingroup viewsstyling
|
|
\ingroup controlsstyling
|
|
\brief Provides custom styling for ScrollView.
|
|
*/
|
|
Style {
|
|
id: root
|
|
|
|
/*! The \l ScrollView this style is attached to. */
|
|
readonly property ScrollView control: __control
|
|
|
|
/*! This property controls the frame border padding of the scrollView. */
|
|
padding {left: 1; top: 1; right: 1; bottom: 1}
|
|
|
|
/*! This Component paints the corner area between scroll bars */
|
|
property Component corner: Rectangle { color: "#ccc" }
|
|
|
|
/*! This component determines if the flickable should reposition itself at the
|
|
mouse location when clicked. */
|
|
property bool scrollToClickedPosition: true
|
|
|
|
/*! This property holds whether the scroll bars are transient. Transient scroll bars
|
|
appear when the content is scrolled and disappear when they are no longer needed.
|
|
|
|
The default value is platform dependent. */
|
|
property bool transientScrollBars: Settings.isMobile && Settings.hasTouchScreen
|
|
|
|
/*! This Component paints the frame around scroll bars. */
|
|
property Component frame: Rectangle {
|
|
color: control["backgroundVisible"] ? "white": "transparent"
|
|
border.color: "#999"
|
|
border.width: 1
|
|
radius: 1
|
|
visible: control.frameVisible
|
|
}
|
|
|
|
/*! This is the minimum extent of the scroll bar handle.
|
|
|
|
The default value is \c 30.
|
|
*/
|
|
|
|
property int minimumHandleLength: 30
|
|
|
|
/*! This property controls the edge overlap
|
|
between the handle and the increment/decrement buttons.
|
|
|
|
The default value is \c 30.
|
|
*/
|
|
|
|
property int handleOverlap: 1
|
|
|
|
/*! This component controls the appearance of the
|
|
scroll bar background.
|
|
|
|
You can access the following state properties:
|
|
|
|
\table
|
|
\row \li property bool \b styleData.hovered
|
|
\row \li property bool \b styleData.horizontal
|
|
\endtable
|
|
*/
|
|
|
|
property Component scrollBarBackground: Item {
|
|
property bool sticky: false
|
|
property bool hovered: styleData.hovered
|
|
implicitWidth: Math.round(TextSingleton.implicitHeight)
|
|
implicitHeight: Math.round(TextSingleton.implicitHeight)
|
|
clip: true
|
|
opacity: transientScrollBars ? 0.5 : 1.0
|
|
visible: !Settings.hasTouchScreen && (!transientScrollBars || sticky)
|
|
Rectangle {
|
|
anchors.fill: parent
|
|
color: "#ddd"
|
|
border.color: "#aaa"
|
|
anchors.rightMargin: styleData.horizontal ? -2 : -1
|
|
anchors.leftMargin: styleData.horizontal ? -2 : 0
|
|
anchors.topMargin: styleData.horizontal ? 0 : -2
|
|
anchors.bottomMargin: styleData.horizontal ? -1 : -2
|
|
}
|
|
onHoveredChanged: if (hovered) sticky = true
|
|
onVisibleChanged: if (!visible) sticky = false
|
|
}
|
|
|
|
/*! This component controls the appearance of the
|
|
scroll bar handle.
|
|
|
|
You can access the following state properties:
|
|
|
|
\table
|
|
\row \li property bool \b styleData.hovered
|
|
\row \li property bool \b styleData.pressed
|
|
\row \li property bool \b styleData.horizontal
|
|
\endtable
|
|
*/
|
|
|
|
property Component handle: Item {
|
|
property bool sticky: false
|
|
property bool hovered: __activeControl !== "none"
|
|
implicitWidth: Math.round(TextSingleton.implicitHeight) + 1
|
|
implicitHeight: Math.round(TextSingleton.implicitHeight) + 1
|
|
BorderImage {
|
|
id: img
|
|
opacity: styleData.pressed && !transientScrollBars ? 0.5 : styleData.hovered ? 1 : 0.8
|
|
source: "images/scrollbar-handle-" + (transientScrollBars ? "transient" : styleData.horizontal ? "horizontal" : "vertical") + ".png"
|
|
border.left: transientScrollBars ? 5 : 2
|
|
border.top: transientScrollBars ? 5 : 2
|
|
border.right: transientScrollBars ? 5 : 2
|
|
border.bottom: transientScrollBars ? 5 : 2
|
|
anchors.top: !styleData.horizontal ? parent.top : undefined
|
|
anchors.margins: transientScrollBars ? 2 : 0
|
|
anchors.bottom: parent.bottom
|
|
anchors.right: parent.right
|
|
anchors.left: styleData.horizontal ? parent.left : undefined
|
|
width: !styleData.horizontal && transientScrollBars ? sticky ? 13 : 10 : parent.width
|
|
height: styleData.horizontal && transientScrollBars ? sticky ? 13 : 10 : parent.height
|
|
Behavior on width { enabled: !styleData.horizontal && transientScrollBars; NumberAnimation { duration: 100 } }
|
|
Behavior on height { enabled: styleData.horizontal && transientScrollBars; NumberAnimation { duration: 100 } }
|
|
}
|
|
onHoveredChanged: if (hovered) sticky = true
|
|
onVisibleChanged: if (!visible) sticky = false
|
|
}
|
|
|
|
/*! This component controls the appearance of the
|
|
scroll bar increment button.
|
|
|
|
You can access the following state properties:
|
|
|
|
\table
|
|
\row \li property bool \b styleData.hovered
|
|
\row \li property bool \b styleData.pressed
|
|
\row \li property bool \b styleData.horizontal
|
|
\endtable
|
|
*/
|
|
property Component incrementControl: Rectangle {
|
|
visible: !transientScrollBars
|
|
implicitWidth: transientScrollBars ? 0 : Math.round(TextSingleton.implicitHeight)
|
|
implicitHeight: transientScrollBars ? 0 : Math.round(TextSingleton.implicitHeight)
|
|
Rectangle {
|
|
anchors.fill: parent
|
|
anchors.bottomMargin: -1
|
|
anchors.rightMargin: -1
|
|
border.color: "#aaa"
|
|
Rectangle {
|
|
anchors.fill: parent
|
|
anchors.margins: 1
|
|
color: "transparent"
|
|
border.color: "#44ffffff"
|
|
}
|
|
Image {
|
|
source: styleData.horizontal ? "images/arrow-right.png" : "images/arrow-down.png"
|
|
anchors.centerIn: parent
|
|
opacity: control.enabled ? 0.6 : 0.5
|
|
}
|
|
gradient: Gradient {
|
|
GradientStop {color: styleData.pressed ? "lightgray" : "white" ; position: 0}
|
|
GradientStop {color: styleData.pressed ? "lightgray" : "lightgray" ; position: 1}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*! This component controls the appearance of the
|
|
scroll bar decrement button.
|
|
|
|
You can access the following state properties:
|
|
|
|
\table
|
|
\row \li property bool \b styleData.hovered
|
|
\row \li property bool \b styleData.pressed
|
|
\row \li property bool \b styleData.horizontal
|
|
\endtable
|
|
*/
|
|
property Component decrementControl: Rectangle {
|
|
visible: !transientScrollBars
|
|
implicitWidth: transientScrollBars ? 0 : Math.round(TextSingleton.implicitHeight)
|
|
implicitHeight: transientScrollBars ? 0 : Math.round(TextSingleton.implicitHeight)
|
|
Rectangle {
|
|
anchors.fill: parent
|
|
anchors.topMargin: styleData.horizontal ? 0 : -1
|
|
anchors.leftMargin: styleData.horizontal ? -1 : 0
|
|
anchors.bottomMargin: styleData.horizontal ? -1 : 0
|
|
anchors.rightMargin: styleData.horizontal ? 0 : -1
|
|
color: "lightgray"
|
|
Rectangle {
|
|
anchors.fill: parent
|
|
anchors.margins: 1
|
|
color: "transparent"
|
|
border.color: "#44ffffff"
|
|
}
|
|
Image {
|
|
source: styleData.horizontal ? "images/arrow-left.png" : "images/arrow-up.png"
|
|
anchors.centerIn: parent
|
|
anchors.verticalCenterOffset: styleData.horizontal ? 0 : -1
|
|
anchors.horizontalCenterOffset: styleData.horizontal ? -1 : 0
|
|
opacity: control.enabled ? 0.6 : 0.5
|
|
}
|
|
gradient: Gradient {
|
|
GradientStop {color: styleData.pressed ? "lightgray" : "white" ; position: 0}
|
|
GradientStop {color: styleData.pressed ? "lightgray" : "lightgray" ; position: 1}
|
|
}
|
|
border.color: "#aaa"
|
|
}
|
|
}
|
|
|
|
/*! \internal */
|
|
property Component __scrollbar: Item {
|
|
id: panel
|
|
property string activeControl: "none"
|
|
property bool scrollToClickPosition: true
|
|
property bool isTransient: transientScrollBars
|
|
|
|
property bool on: false
|
|
property bool raised: false
|
|
property bool sunken: __styleData.upPressed | __styleData.downPressed | __styleData.handlePressed
|
|
|
|
states: State {
|
|
name: "out"
|
|
when: isTransient
|
|
&& (!__stickyScrollbars || !flickableItem.moving)
|
|
&& panel.activeControl === "none"
|
|
&& !panel.on
|
|
&& !panel.raised
|
|
PropertyChanges { target: panel; opacity: 0 }
|
|
}
|
|
|
|
transitions: Transition {
|
|
to: "out"
|
|
SequentialAnimation {
|
|
PauseAnimation { duration: root.__scrollBarFadeDelay }
|
|
NumberAnimation { properties: "opacity"; duration: root.__scrollBarFadeDuration }
|
|
PropertyAction { target: panel; property: "visible"; value: false }
|
|
}
|
|
}
|
|
|
|
implicitWidth: __styleData.horizontal ? 200 : bg.implicitWidth
|
|
implicitHeight: __styleData.horizontal ? bg.implicitHeight : 200
|
|
|
|
function pixelMetric(arg) {
|
|
if (arg === "scrollbarExtent")
|
|
return (__styleData.horizontal ? bg.height : bg.width);
|
|
return 0;
|
|
}
|
|
|
|
function styleHint(arg) {
|
|
return false;
|
|
}
|
|
|
|
function hitTest(argX, argY) {
|
|
if (itemIsHit(handleControl, argX, argY))
|
|
return "handle"
|
|
else if (itemIsHit(incrementLoader, argX, argY))
|
|
return "up";
|
|
else if (itemIsHit(decrementLoader, argX, argY))
|
|
return "down";
|
|
else if (itemIsHit(bg, argX, argY)) {
|
|
if (__styleData.horizontal && argX < handleControl.x || !__styleData.horizontal && argY < handleControl.y)
|
|
return "upPage"
|
|
else
|
|
return "downPage"
|
|
}
|
|
|
|
return "none";
|
|
}
|
|
|
|
function subControlRect(arg) {
|
|
if (arg === "handle") {
|
|
return Qt.rect(handleControl.x, handleControl.y, handleControl.width, handleControl.height);
|
|
} else if (arg === "groove") {
|
|
if (__styleData.horizontal) {
|
|
return Qt.rect(incrementLoader.width - handleOverlap,
|
|
0,
|
|
__control.width - (incrementLoader.width + decrementLoader.width - handleOverlap * 2),
|
|
__control.height);
|
|
} else {
|
|
return Qt.rect(0,
|
|
incrementLoader.height - handleOverlap,
|
|
__control.width,
|
|
__control.height - (incrementLoader.height + decrementLoader.height - handleOverlap * 2));
|
|
}
|
|
}
|
|
return Qt.rect(0,0,0,0);
|
|
}
|
|
|
|
function itemIsHit(argItem, argX, argY) {
|
|
var pos = argItem.mapFromItem(__control, argX, argY);
|
|
return (pos.x >= 0 && pos.x <= argItem.width && pos.y >= 0 && pos.y <= argItem.height);
|
|
}
|
|
|
|
Loader {
|
|
id: incrementLoader
|
|
anchors.top: parent.top
|
|
anchors.left: parent.left
|
|
sourceComponent: decrementControl
|
|
property QtObject styleData: QtObject {
|
|
readonly property bool hovered: activeControl === "up"
|
|
readonly property bool pressed: __styleData.upPressed
|
|
readonly property bool horizontal: __styleData.horizontal
|
|
}
|
|
}
|
|
|
|
Loader {
|
|
id: bg
|
|
anchors.top: __styleData.horizontal ? undefined : incrementLoader.bottom
|
|
anchors.bottom: __styleData.horizontal ? undefined : decrementLoader.top
|
|
anchors.left: __styleData.horizontal ? incrementLoader.right : undefined
|
|
anchors.right: __styleData.horizontal ? decrementLoader.left : undefined
|
|
sourceComponent: scrollBarBackground
|
|
property QtObject styleData: QtObject {
|
|
readonly property bool horizontal: __styleData.horizontal
|
|
readonly property bool hovered: activeControl !== "none"
|
|
}
|
|
}
|
|
|
|
Loader {
|
|
id: decrementLoader
|
|
anchors.bottom: __styleData.horizontal ? undefined : parent.bottom
|
|
anchors.right: __styleData.horizontal ? parent.right : undefined
|
|
sourceComponent: incrementControl
|
|
property QtObject styleData: QtObject {
|
|
readonly property bool hovered: activeControl === "down"
|
|
readonly property bool pressed: __styleData.downPressed
|
|
readonly property bool horizontal: __styleData.horizontal
|
|
}
|
|
}
|
|
|
|
property var flickableItem: control.flickableItem
|
|
property int extent: Math.max(minimumHandleLength, __styleData.horizontal ?
|
|
Math.min(1, ((flickableItem && flickableItem.contentWidth > 0.0) ? flickableItem.width/flickableItem.contentWidth : 1)) * bg.width :
|
|
Math.min(1, ((flickableItem && flickableItem.contentHeight > 0.0) ? flickableItem.height/flickableItem.contentHeight : 1)) * bg.height)
|
|
readonly property real range: __control.maximumValue - __control.minimumValue
|
|
readonly property real begin: __control.value - __control.minimumValue
|
|
|
|
Loader {
|
|
id: handleControl
|
|
height: __styleData.horizontal ? implicitHeight : extent
|
|
width: __styleData.horizontal ? extent : implicitWidth
|
|
anchors.top: bg.top
|
|
anchors.left: bg.left
|
|
anchors.topMargin: __styleData.horizontal || range === 0 ? 0 : -handleOverlap + (2 * begin * (bg.height + (2 * handleOverlap) - extent) + range) / (2 * range)
|
|
anchors.leftMargin: __styleData.horizontal && range !== 0 ? -handleOverlap + (2 * begin * (bg.width + (2 * handleOverlap) - extent) + range) / (2 * range) : 0
|
|
sourceComponent: handle
|
|
property QtObject styleData: QtObject {
|
|
readonly property bool hovered: activeControl === "handle"
|
|
readonly property bool pressed: __styleData.handlePressed
|
|
readonly property bool horizontal: __styleData.horizontal
|
|
}
|
|
readonly property alias __activeControl: panel.activeControl
|
|
}
|
|
}
|
|
|
|
/*! \internal */
|
|
property bool __externalScrollBars: false
|
|
/*! \internal */
|
|
property int __scrollBarSpacing: 4
|
|
/*! \internal */
|
|
property int __scrollBarFadeDelay: 450
|
|
/*! \internal */
|
|
property int __scrollBarFadeDuration: 200
|
|
/*! \internal */
|
|
property bool __stickyScrollbars: false
|
|
}
|