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Add toggle for whitespace #138

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merged 2 commits into from
Nov 5, 2023
Merged

Add toggle for whitespace #138

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c0ba89d
Add toggle for whitespace
Silarn Nov 1, 2023
fc1cef4
Update naming and use signal variable
Silarn Nov 5, 2023
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29 changes: 26 additions & 3 deletions src/textviewer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@ TextViewer::TextViewer(const QString& title, QWidget* parent)
ui->setupUi(this);
setWindowTitle(title);
m_EditorTabs = findChild<QTabWidget*>("editorTabs");
connect(ui->showWhitespace, SIGNAL(stateChanged(int)), this,
SLOT(showWhitespaceChanged(int)));
}

TextViewer::~TextViewer()
Expand Down Expand Up @@ -120,6 +122,25 @@ void TextViewer::findNext()
}
}

void TextViewer::showWhitespaceChanged(int state)
{
for (int i = 0; i < m_EditorTabs->count(); ++i) {
QTextEdit* editor = m_EditorTabs->widget(i)->findChild<QTextEdit*>();
if (editor != nullptr) {
auto document = editor->document();
auto textOption = document->defaultTextOption();
auto flags = textOption.flags();
if (state == Qt::Unchecked)
flags = flags & (~QTextOption::ShowTabsAndSpaces);
else
flags = flags | QTextOption::ShowTabsAndSpaces;
textOption.setFlags(flags);
document->setDefaultTextOption(textOption);
editor->setDocument(document);
}
}
}

bool TextViewer::eventFilter(QObject* object, QEvent* event)
{
if (event->type() == QEvent::ShortcutOverride) {
Expand Down Expand Up @@ -213,9 +234,11 @@ void TextViewer::addFile(const QString& fileName, bool writable)
QVBoxLayout* layout = new QVBoxLayout(page);
QTextEdit* editor = new QTextEdit(page);
QTextDocument* document = new QTextDocument(page);
QTextOption option;
option.setFlags(QTextOption::ShowTabsAndSpaces);
document->setDefaultTextOption(option);
if (ui->showWhitespace->isChecked()) {
QTextOption option;
option.setFlags(QTextOption::ShowTabsAndSpaces);
document->setDefaultTextOption(option);
}
editor->setDocument(document);
editor->setAcceptRichText(false);
editor->setPlainText(QString(temp));
Expand Down
1 change: 1 addition & 0 deletions src/textviewer.h
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Expand Up @@ -78,6 +78,7 @@ private slots:
void modified();
void patternChanged(QString newPattern);
void findNext();
void showWhitespaceChanged(int state);

private:
void saveFile(const QTextEdit* editor);
Expand Down
30 changes: 25 additions & 5 deletions src/textviewer.ui
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Expand Up @@ -15,14 +15,34 @@
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QLabel" name="descriptionLabel">
<property name="text">
<string>Placeholder</string>
</property>
</widget>
<layout class="QVBoxLayout" name="verticalLayout_2">
<item>
<widget class="QLabel" name="descriptionLabel">
<property name="text">
<string>Placeholder</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="showWhitespace">
<property name="text">
<string>Show Whitespace</string>
</property>
<property name="checked">
<bool>true</bool>
</property>
</widget>
</item>
</layout>
</item>
<item>
<widget class="QTabWidget" name="editorTabs">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="currentIndex">
<number>-1</number>
</property>
Expand Down