textselection.qml Example File
text/textselection/textselection.qml/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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. 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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 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 textFormat: TextEdit.RichText 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." } } 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.deselect(); 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 } } ] }