/*******************************************************************************
This file is part of the Shellfish UI toolkit.
Copyright (c) 2020 - 2022 Martin Grimme <martin.grimme@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*******************************************************************************/
require "shellfish/ui";
/**
* Element representing a multi-line text area.
*
* Containers:
* * `backgroundContainer` - The background (e.g. for syntax highlighting or line highlighting).
* * `bottomMarginContainer` - The bottom margin (e.g. for a status bar).
* * `leftMarginContainer` - The left margin (e.g. for line numbers).
* * `rightMarginContainer` - The right margin.
* * `topMarginContainer` - The top margin.
*
* @memberof ui
* @name TextArea
* @class
* @extends html.MouseBox
*
* @property {bool} bold - (default: `false`) Show text in bold face.
* @property {html.Color} caretColor - The caret color.
* @property {number} column - [readonly] The column of the current cursor position.
* @property {string} fontFamily - The font family.
* @property {number} fontSize - The font size in CSS pixels.
* @property {number} row - The row of the current cursor position.
* @property {number} selectionEnd - [readonly] The ending position of the text selection. This value is the same as `selectionStart` if no text is selected.
* @property {number} selectionStart - [readonly] The starting position of the text selection.
* @property {bool} spellCheck - (default: `false`) Whether to enable spell-checking.
* @property {string} text - (default: `""`) The text to show.
* @property {html.Color} textColor - The text color.
*/
MouseBox {
id: box
container topMarginContainer: topMargin
container leftMarginContainer: leftMargin
container rightMarginContainer: rightMargin
container bottomMarginContainer: bottomMargin
container backgroundContainer: backgroundBox
property text: ""
property textColor: theme.primaryColor
property caretColor: theme.primaryColor
property fontSize: theme.fontSizeMedium
property fontFamily: "sans-serif"
property bold: false
property column: input.column
property selectionStart: input.selectionStart
property selectionEnd: input.selectionEnd
property row: input.row
property spellCheck: false
property scrollX: input.contentX
property scrollY: input.contentY
property selectRange: input.selectRange
property insertAt: input.insertAt
property eraseAt: input.eraseAt
property shiftRows: input.shiftRows
property setCursor: input.setCursor
property positionAt: input.positionAt
property rowAt: input.rowAt
width: theme.itemWidthLarge * 2
height: theme.itemHeightLarge * 2
opacity: enabled && ancestorsEnabled ? 1 : 0.6
color: theme.contentBackgroundColor
borderColor: theme.borderColor
borderWidth: 1
borderRadius: theme.borderRadius
onWheel: {
const ev = arguments[0];
ev.accepted = true;
if (ev.deltaX < 0)
{
input.contentX = Math.max(0, input.contentX - theme.itemHeightMedium);
}
else if (ev.deltaX > 0)
{
input.contentX = Math.min(input.contentWidth - input.bboxWidth, input.contentX + theme.itemHeightMedium);
}
if (ev.deltaY < 0)
{
input.contentY = Math.max(0, input.contentY - theme.itemHeightMedium);
}
else if (ev.deltaY > 0)
{
input.contentY = Math.min(input.contentHeight - input.bboxHeight, input.contentY + theme.itemHeightMedium);
}
}
Box {
id: topMargin
fillWidth: true
}
Box {
fillWidth: true
fillHeight: true
layout: "row"
Box {
id: leftMargin
fillHeight: true
}
Box {
fillWidth: true
fillHeight: true
Box {
id: backgroundBox
position: "free"
fillWidth: true
fillHeight: true
}
html.TextArea {
id: input
fillWidth: true
fillHeight: true
fontSize: box.fontSize
fontFamily: box.fontFamily
bold: box.bold
color: box.textColor
caretColor: box.caretColor
selectionBackgroundColor: theme.highlightBackgroundColor
selectionColor: theme.highlightColor
spellCheck: box.spellCheck
text: box.text
canFocus: true
onTextChanged: { box.text = text; }
onKeyDown: (ev) => box.keyDown(ev)
}
ScrollIndicator { id: siA; other: siB; target: input; orientation: "vertical"; size: theme.paddingSmall }
ScrollIndicator { id: siB; other: siA; target: input; orientation: "horizontal"; size: theme.paddingSmall }
FocusIndicator { visible: input.focus }
}
Box {
id: rightMargin
fillHeight: true
}
}
Box {
id: bottomMargin
fillWidth: true
}
}