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ScriptEditor: Syntax highlighting update

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This commit is contained in:
Thijs Wenker 2014-04-16 00:55:06 +02:00
parent 1634e574d7
commit e66822c6ee
4 changed files with 137 additions and 11 deletions
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57
interface/src/ScriptHighlighting.cpp
View file

@ -11,8 +11,61 @@
#include "ScriptHighlighting.h"
ScriptHighlighting::ScriptHighlighting(QObject* parent) :
ScriptHighlighting::ScriptHighlighting(QTextDocument* parent) :
QSyntaxHighlighter(parent)
{
keywordRegex = QRegExp("\\b(break|case|catch|continue|debugger|default|delete|do|else|finally|for|function|if|in|instanceof|new|return|switch|this|throw|try|typeof|var|void|while|with)\\b");
qoutedTextRegex = QRegExp("\".*\"");
multiLineCommentBegin = QRegExp("/\\*");
multiLineCommentEnd = QRegExp("\\*/");
numberRegex = QRegExp("[0-9]+(\\.[0-9]+){0,1}");
}
}
void ScriptHighlighting::highlightBlock(const QString &text) {
this->highlightKeywords(text);
this->formatComments(text);
this->formatQoutedText(text);
this->formatNumbers(text);
}
void ScriptHighlighting::highlightKeywords(const QString &text) {
int index = keywordRegex.indexIn(text);
while (index >= 0) {
int length = keywordRegex.matchedLength();
setFormat(index, length, Qt::blue);
index = keywordRegex.indexIn(text, index + length);
}
}
void ScriptHighlighting::formatComments(const QString &text) {
setCurrentBlockState(BlockStateClean);
int start = (previousBlockState() != BlockStateInMultiComment) ? text.indexOf(multiLineCommentBegin) : 0;
while (start > -1) {
int end = text.indexOf(multiLineCommentEnd, start);
int length = (end == -1 ? text.length() : (end + multiLineCommentEnd.matchedLength())) - start;
setFormat(start, length, Qt::lightGray);
start = text.indexOf(multiLineCommentBegin, start + length);
if (end == -1) setCurrentBlockState(BlockStateInMultiComment);
}
}
void ScriptHighlighting::formatQoutedText(const QString &text){
int index = qoutedTextRegex.indexIn(text);
while (index >= 0) {
int length = qoutedTextRegex.matchedLength();
setFormat(index, length, Qt::red);
index = qoutedTextRegex.indexIn(text, index + length);
}
}
void ScriptHighlighting::formatNumbers(const QString &text){
int index = numberRegex.indexIn(text);
while (index >= 0) {
int length = numberRegex.matchedLength();
setFormat(index, length, Qt::green);
index = numberRegex.indexIn(text, index + length);
}
}

20
interface/src/ScriptHighlighting.h
View file

@ -18,8 +18,26 @@ class ScriptHighlighting : public QSyntaxHighlighter {
Q_OBJECT
public:
ScriptHighlighting(QObject* parent = 0);
ScriptHighlighting(QTextDocument* parent = 0);
enum BlockState {
BlockStateClean,
BlockStateInMultiComment
};
protected:
void highlightBlock(const QString &text);
void highlightKeywords(const QString &text);
void formatComments(const QString &text);
void formatQoutedText(const QString &text);
void formatNumbers(const QString &text);
private:
QRegExp keywordRegex;
QRegExp qoutedTextRegex;
QRegExp multiLineCommentBegin;
QRegExp multiLineCommentEnd;
QRegExp numberRegex;
};
#endif // hifi_ScriptHighlighting_h

5
interface/src/ui/ScriptEditorWidget.cpp
View file

@ -20,6 +20,7 @@
#include <QWidget>
#include "Application.h"
#include "ScriptHighlighting.h"
#include "ui_scriptEditorWidget.h"
#include "ScriptEditorWidget.h"
@ -31,7 +32,9 @@ ScriptEditorWidget::ScriptEditorWidget() :
// remove the title bar (see the Qt docs on setTitleBarWidget)
setTitleBarWidget(new QWidget());
//QSyntaxHighlighter* highlighter = new QSyntaxHighlighter();
QFontMetrics fm(this->ui->scriptEdit->font());
this->ui->scriptEdit->setTabStopWidth(fm.width('0') * 4);
ScriptHighlighting* highlighting = new ScriptHighlighting(this->ui->scriptEdit->document());
}
ScriptEditorWidget::~ScriptEditorWidget() {

66
interface/ui/ScriptEditorWidget.ui
View file

@ -52,7 +52,7 @@
<number>0</number>
</property>
<item>
<widget class="QTextEdit" name="textEdit">
<widget class="QTextEdit" name="scriptEdit">
<property name="font">
<font>
<family>Courier</family>
@ -68,22 +68,74 @@
</widget>
</item>
<item>
<widget class="QLabel" name="label">
<property name="text">
<string>Debug Log:</string>
<layout class="QHBoxLayout" name="horizontalLayout">
<property name="spacing">
<number>0</number>
</property>
</widget>
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<item>
<widget class="QLabel" name="label">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string>Debug Log:</string>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="clearButton">
<property name="text">
<string>Clear</string>
</property>
<property name="iconSize">
<size>
<width>16</width>
<height>16</height>
</size>
</property>
</widget>
</item>
</layout>
</item>
<item>
<widget class="QPlainTextEdit" name="plainTextEdit">
<widget class="QPlainTextEdit" name="debugText">
<property name="styleSheet">
<string notr="true">font: 8pt &quot;Courier&quot;;</string>
</property>
<property name="readOnly">
<bool>true</bool>
</property>
</widget>
</item>
</layout>
</widget>
</widget>
<resources/>
<connections/>
<connections>
<connection>
<sender>clearButton</sender>
<signal>clicked()</signal>
<receiver>debugText</receiver>
<slot>clear()</slot>
<hints>
<hint type="sourcelabel">
<x>663</x>
<y>447</y>
</hint>
<hint type="destinationlabel">
<x>350</x>
<y>501</y>
</hint>
</hints>
</connection>
</connections>
</ui>