diff options
Diffstat (limited to 'examples/declarative/text/textselection/qml/textselection')
5 files changed, 300 insertions, 0 deletions
diff --git a/examples/declarative/text/textselection/qml/textselection/pics/endHandle.png b/examples/declarative/text/textselection/qml/textselection/pics/endHandle.png Binary files differnew file mode 100644 index 00000000..1a4bc5d7 --- /dev/null +++ b/examples/declarative/text/textselection/qml/textselection/pics/endHandle.png diff --git a/examples/declarative/text/textselection/qml/textselection/pics/endHandle.sci b/examples/declarative/text/textselection/qml/textselection/pics/endHandle.sci new file mode 100644 index 00000000..4f51f242 --- /dev/null +++ b/examples/declarative/text/textselection/qml/textselection/pics/endHandle.sci @@ -0,0 +1,5 @@ +border.left: 0 +border.top: 6 +border.bottom: 6 +border.right: 6 +source: endHandle.png diff --git a/examples/declarative/text/textselection/qml/textselection/pics/startHandle.png b/examples/declarative/text/textselection/qml/textselection/pics/startHandle.png Binary files differnew file mode 100644 index 00000000..deedcd5c --- /dev/null +++ b/examples/declarative/text/textselection/qml/textselection/pics/startHandle.png diff --git a/examples/declarative/text/textselection/qml/textselection/pics/startHandle.sci b/examples/declarative/text/textselection/qml/textselection/pics/startHandle.sci new file mode 100644 index 00000000..f9eae204 --- /dev/null +++ b/examples/declarative/text/textselection/qml/textselection/pics/startHandle.sci @@ -0,0 +1,5 @@ +border.left: 6 +border.top: 6 +border.bottom: 6 +border.right: 0 +source: startHandle.png diff --git a/examples/declarative/text/textselection/qml/textselection/textselection.qml b/examples/declarative/text/textselection/qml/textselection/textselection.qml new file mode 100644 index 00000000..9da779f1 --- /dev/null +++ b/examples/declarative/text/textselection/qml/textselection/textselection.qml @@ -0,0 +1,290 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +import QtQuick 1.0 + +Rectangle { + id: editor + color: "lightGrey" + width: 640; height: 480 + + Rectangle { + color: "white" + anchors.fill: parent + anchors.margins: 20 + + BorderImage { + id: startHandle + source: "pics/startHandle.sci" + opacity: 0.0 + width: 10 + x: edit.positionToRectangle(edit.selectionStart).x - flick.contentX-width + y: edit.positionToRectangle(edit.selectionStart).y - flick.contentY + height: edit.positionToRectangle(edit.selectionStart).height + } + + BorderImage { + id: endHandle + source: "pics/endHandle.sci" + opacity: 0.0 + width: 10 + x: edit.positionToRectangle(edit.selectionEnd).x - flick.contentX + y: edit.positionToRectangle(edit.selectionEnd).y - flick.contentY + height: edit.positionToRectangle(edit.selectionEnd).height + } + + Flickable { + id: flick + + anchors.fill: parent + contentWidth: edit.paintedWidth + contentHeight: edit.paintedHeight + interactive: true + clip: true + + function ensureVisible(r) { + if (contentX >= r.x) + contentX = r.x; + else if (contentX+width <= r.x+r.width) + contentX = r.x+r.width-width; + if (contentY >= r.y) + contentY = r.y; + else if (contentY+height <= r.y+r.height) + contentY = r.y+r.height-height; + } + + TextEdit { + id: edit + width: flick.width + height: flick.height + focus: true + wrapMode: TextEdit.Wrap + + onCursorRectangleChanged: flick.ensureVisible(cursorRectangle) + + text: "<h1>Text Selection</h1>" + +"<p>This example is a whacky text selection mechanisms, showing how these can be implemented in the TextEdit element, to cater for whatever style is appropriate for the target platform." + +"<p><b>Press-and-hold</b> to select a word, then drag the selection handles." + +"<p><b>Drag outside the selection</b> to scroll the text." + +"<p><b>Click inside the selection</b> to cut/copy/paste/cancel selection." + +"<p>It's too whacky to let you paste if there is no current selection." + + MouseArea { + property string drag: "" + property int pressPos + + x: -startHandle.width + y: 0 + width: parent.width+startHandle.width+endHandle.width + height: parent.height + + onPressAndHold: { + if (editor.state == "") { + edit.cursorPosition = edit.positionAt(mouse.x+x,mouse.y+y); + edit.selectWord(); + editor.state = "selection" + } + } + + onClicked: { + if (editor.state == "") { + edit.cursorPosition = edit.positionAt(mouse.x+x,mouse.y+y); + if (!edit.focus) + edit.focus = true; + edit.openSoftwareInputPanel(); + } + } + + function hitHandle(h,x,y) { + return x>=h.x+flick.contentX && x<h.x+flick.contentX+h.width && y>=h.y+flick.contentY && y<h.y+flick.contentY+h.height + } + + onPressed: { + if (editor.state == "selection") { + if (hitHandle(startHandle,mouse.x+x,mouse.y+y)) { + drag = "start" + flick.interactive = false + } else if (hitHandle(endHandle,mouse.x+x,mouse.y+y)) { + drag = "end" + flick.interactive = false + } else { + var pos = edit.positionAt(mouse.x+x,mouse.y+y); + if (pos >= edit.selectionStart && pos <= edit.selectionEnd) { + drag = "selection" + flick.interactive = false + } else { + drag = "" + flick.interactive = true + } + } + } + } + + onReleased: { + if (editor.state == "selection") { + if (drag == "selection") { + editor.state = "menu" + } + drag = "" + } + flick.interactive = true + } + + onPositionChanged: { + if (editor.state == "selection" && drag != "") { + if (drag == "start") { + var pos = edit.positionAt(mouse.x+x+startHandle.width/2,mouse.y+y); + var e = edit.selectionEnd; + if (e < pos) + e = pos; + edit.select(pos,e); + } else if (drag == "end") { + var pos = edit.positionAt(mouse.x+x-endHandle.width/2,mouse.y+y); + var s = edit.selectionStart; + if (s > pos) + s = pos; + edit.select(s,pos); + } + } + } + } + } + } + + Item { + id: menu + opacity: 0.0 + width: 100 + height: 120 + anchors.centerIn: parent + + Rectangle { + border.width: 1 + border.color: "darkBlue" + radius: 15 + color: "#806080FF" + anchors.fill: parent + } + + Column { + anchors.centerIn: parent + spacing: 8 + + Rectangle { + border.width: 1 + border.color: "darkBlue" + color: "#ff7090FF" + width: 60 + height: 16 + + Text { anchors.centerIn: parent; text: "Cut" } + + MouseArea { + anchors.fill: parent + onClicked: { edit.cut(); editor.state = "" } + } + } + + Rectangle { + border.width: 1 + border.color: "darkBlue" + color: "#ff7090FF" + width: 60 + height: 16 + + Text { anchors.centerIn: parent; text: "Copy" } + + MouseArea { + anchors.fill: parent + onClicked: { edit.copy(); editor.state = "selection" } + } + } + + Rectangle { + border.width: 1 + border.color: "darkBlue" + color: "#ff7090FF" + width: 60 + height: 16 + + Text { anchors.centerIn: parent; text: "Paste" } + + MouseArea { + anchors.fill: parent + onClicked: { edit.paste(); edit.cursorPosition = edit.selectionEnd; editor.state = "" } + } + } + + Rectangle { + border.width: 1 + border.color: "darkBlue" + color: "#ff7090FF" + width: 60 + height: 16 + + Text { anchors.centerIn: parent; text: "Deselect" } + + MouseArea { + anchors.fill: parent + onClicked: { + edit.cursorPosition = edit.selectionEnd; + edit.select(edit.cursorPosition, edit.cursorPosition); + editor.state = "" + } + } + } + } + } + } + + states: [ + State { + name: "selection" + PropertyChanges { target: startHandle; opacity: 1.0 } + PropertyChanges { target: endHandle; opacity: 1.0 } + }, + State { + name: "menu" + PropertyChanges { target: startHandle; opacity: 0.5 } + PropertyChanges { target: endHandle; opacity: 0.5 } + PropertyChanges { target: menu; opacity: 1.0 } + } + ] +} |
