flutter_package / gpt_markdown

Go to a project
Toggle navigation Toggle navigation pinning
saminsohag
5b813959 1 parent 8be35f2a

bug fixed

Inline Side-by-side
Showing 5 changed files with 50 additions and 42 deletions
## 0.1.7
* Bug fixed.
## 0.1.6
* Bug fixed.
## 0.1.5
* New shortcut added.
... ...
... ... @@ -39,13 +39,12 @@ class _MyAppState extends State<MyApp> {
child: TexText(
// TexText.newEasySyntax(_text.text),
_text.text,
alignment: TexAlignment.start,
style: Theme.of(context)
.textTheme
.headlineLarge
.titleLarge
?.copyWith(
// color: Colors.red,
),
color: Colors.blue,
),
mathStyle: MathStyle.displayCramped,
),
);
... ...
... ... @@ -238,7 +238,7 @@ packages:
path: ".."
relative: true
source: path
version: "0.1.5"
version: "0.1.7"
tuple:
dependency: transitive
description:
... ...
... ... @@ -4,65 +4,61 @@ import 'package:flutter/material.dart';
import 'package:flutter_math_fork/flutter_math.dart';
export 'package:flutter_math_fork/flutter_math.dart';
enum TexAlignment {
/// [TexAlignment.start] aligns the words at the start of the text
start,
/// It aligns the words at the end of the text
end,
/// It aligns the words at the center of the text
center,
}
/// A LaTex text view.
///
/// Example:
/// ```dart
/// TexText(r"The equation is <m>x^2+y^2=z^2<m>") //Output: The equation is <LaTex formatted equation>
/// TexText(r"The equation is $x^2+y^2=z^2$") //Output: The equation is <LaTex formatted equation>
///
/// // <m><m> shows <m> result
/// TexText(r"The equation is <m><m>") //Output: The equation is <m>
/// // \$ shows $ result
/// TexText(r"The equation is \$") //Output: The equation is $
/// ```
class TexText extends StatelessWidget {
const TexText(this.text,
{super.key,
TextStyle? style,
this.mathStyle = MathStyle.text,
this.alignment = TexAlignment.start})
: _style = style;
const TexText(
this.text, {
super.key,
TextStyle? style,
this.mathStyle = MathStyle.text,
}) : _style = style;
final String text;
final TextStyle? _style;
final MathStyle mathStyle;
final TexAlignment alignment;
// final TexAlignment alignment;
/// LaTex to HTML parser
String toHtml() {
return toHtmlData(text);
}
/// LaTex custom syntax
static String _newEasySyntax(String data) {
return data
.replaceAll(r"\frac", r"\cfrac")
.replaceAll(r"\left[", r"[")
.replaceAll(r"\right]", r"]")
.replaceAll(r"[", r"{\left[")
.replaceAll(r"]", r"\right]}")
.replaceAll(r"[", r"{\left[{")
.replaceAll(r"]", r"}\right]}")
.replaceAllMapped(
RegExp(r'\\sqrt\{\\left\[\{(.*?)\}\\right\]\}'),
(match) =>
"\\sqrt[${match[1].toString().replaceAll(r"\cfrac", r"\frac")}]",
)
.replaceAll(r"\left\{", r"\{")
.replaceAll(r"\right\}", r"\}")
.replaceAll(r"\{", r"{\left\{")
.replaceAll(r"\}", r"\right\}}")
.replaceAll(r"\{", r"{\left\{{")
.replaceAll(r"\}", r"}\right\}}")
.replaceAll(r"\left(", r"(")
.replaceAll(r"\right)", r")")
.replaceAll(r"(", r"{\left(")
.replaceAll(r")", r"\right)}")
.replaceAll(r"(", r"{\left({")
.replaceAll(r")", r"}\right)}")
.replaceAll(RegExp(r"\\tf"), r"\therefore")
.replaceAll(RegExp(r"\\bc"), r"\because")
.replaceAllMapped(
RegExp(r"([^A-Za-z]|^)(sin|cos|tan|cosec|sec|cot)([^A-Za-z]|$)"),
(match) => "{\\${match[2].toString()}}${match[3].toString()}")
RegExp(r"([^A-Za-z\\]|^)(sin|cos|tan|cosec|sec|cot)([^A-Za-z]|$)"),
(match) =>
"${match[1].toString()}{\\,\\${match[2].toString()}}${match[3].toString()}")
.replaceAll(r"=>", r"{\Rightarrow}")
.replaceAll(RegExp(r"\\AA(\s|$)"), r"{Å}")
.replaceAll(RegExp(r"\\AA(\s|$)"), r"{\text{Å}}")
.replaceAll(r"*", r"{\times}")
.replaceAllMapped(
RegExp(r"\\([a-z]?)mat(\s+?\S.*?)\\([a-z]?)mat"),
... ... @@ -89,17 +85,18 @@ class TexText extends StatelessWidget {
).trim();
}
/// Generate spans for widget
Widget _generateWidget(BuildContext context, String e) {
TextStyle? style = _style ?? Theme.of(context).textTheme.bodyMedium;
const dollar = r"\[-~`::36]";
List<InlineSpan> widgets = [];
List<InlineSpan> spans = [];
e.replaceAll("\\\$", dollar).splitMapJoin(
RegExp(
r"\$(.*?)\$",
),
onMatch: (p0) {
widgets.add(
spans.add(
WidgetSpan(
alignment: PlaceholderAlignment.baseline,
baseline: TextBaseline.alphabetic,
... ... @@ -109,7 +106,10 @@ class TexText extends StatelessWidget {
fontFamily: "SansSerif",
),
mathStyle: mathStyle,
textScaleFactor: 1.3,
textScaleFactor: 1,
settings: const TexParserSettings(
strict: Strict.ignore,
),
options: MathOptions(
sizeUnderTextStyle: MathSize.large,
color: style?.color ?? Theme.of(context).colorScheme.onSurface,
... ... @@ -118,10 +118,12 @@ class TexText extends StatelessWidget {
mathFontOptions: FontOptions(
fontFamily: "Main",
fontWeight: style?.fontWeight ?? FontWeight.normal,
fontShape: FontStyle.normal,
),
textFontOptions: FontOptions(
fontFamily: "Main",
fontWeight: style?.fontWeight ?? FontWeight.normal,
fontShape: FontStyle.normal,
),
style: mathStyle,
),
... ... @@ -139,7 +141,7 @@ class TexText extends StatelessWidget {
return p0[1].toString();
},
onNonMatch: (p0) {
widgets.add(
spans.add(
TextSpan(
text: p0.toString().replaceAll(dollar, "\$"),
style: style,
... ... @@ -150,9 +152,8 @@ class TexText extends StatelessWidget {
);
return Text.rich(
TextSpan(
children: widgets,
children: spans,
),
textAlign: TextAlign.values[alignment.index],
);
}
... ...
name: tex_text
description: This package for Flutter allows you to show text on a Flutter app with LaTex math formula and normal text from string. It is vary easy to use and works for all of the platforms.
version: 0.1.5
version: 0.1.7
homepage: https://github.com/saminsohag/flutter_packages/tree/main/tex_text
environment:
... ...