Mercurial plugin, merge request with suggested fixes.

src/plugins/mercurial/mercurialcommitwidget.cpp

@@ -0,0 +1,117 @@
+#include "mercurialcommitwidget.h"
+
+#include <texteditor/texteditorsettings.h>
+#include <texteditor/fontsettings.h>
+#include <texteditor/texteditorconstants.h>
+
+#include <QtGui/QSyntaxHighlighter>
+#include <QtGui/QTextEdit>
+
+#include <QtCore/QDebug>
+#include <QtCore/QRegExp>
+
+//see the git submit widget for details of the syntax Highlighter
+
+//TODO Check to see when the Highlighter has been moved to a base class and use that instead
+
+namespace Mercurial {
+namespace Internal {
+
+// Retrieve the comment char format from the text editor.
+static QTextCharFormat commentFormat()
+{
+    const TextEditor::FontSettings settings = TextEditor::TextEditorSettings::instance()->fontSettings();
+    return settings.toTextCharFormat(QLatin1String(TextEditor::Constants::C_COMMENT));
+}
+
+// Highlighter for Mercurial submit messages. Make the first line bold, indicates
+// comments as such (retrieving the format from the text editor) and marks up
+// keywords (words in front of a colon as in 'Task: <bla>').
+class MercurialSubmitHighlighter : QSyntaxHighlighter
+{
+public:
+    explicit MercurialSubmitHighlighter(QTextEdit *parent);
+    virtual void highlightBlock(const QString &text);
+
+private:
+    enum State { Header, Comment, Other };
+    const QTextCharFormat m_commentFormat;
+    const QRegExp m_keywordPattern;
+    const QChar m_hashChar;
+};
+
+MercurialSubmitHighlighter::MercurialSubmitHighlighter(QTextEdit * parent) :
+        QSyntaxHighlighter(parent),
+        m_commentFormat(commentFormat()),
+        m_keywordPattern(QLatin1String("^\\w+:")),
+        m_hashChar(QLatin1Char('#'))
+{
+    Q_ASSERT(m_keywordPattern.isValid());
+}
+
+void MercurialSubmitHighlighter::highlightBlock(const QString &text)
+{
+    // figure out current state
+    State state = Other;
+    const QTextBlock block = currentBlock();
+    if (block.position() == 0) {
+        state = Header;
+    } else {
+        if (text.startsWith(m_hashChar))
+            state = Comment;
+    }
+    // Apply format.
+    switch (state) {
+    case Header: {
+            QTextCharFormat charFormat = format(0);
+            charFormat.setFontWeight(QFont::Bold);
+            setFormat(0, text.size(), charFormat);
+        }
+        break;
+    case Comment:
+        setFormat(0, text.size(), m_commentFormat);
+        break;
+    case Other:
+        // Format key words ("Task:") italic
+        if (m_keywordPattern.indexIn(text, 0, QRegExp::CaretAtZero) == 0) {
+            QTextCharFormat charFormat = format(0);
+            charFormat.setFontItalic(true);
+            setFormat(0, m_keywordPattern.matchedLength(), charFormat);
+        }
+        break;
+    }
+}
+
+
+MercurialCommitWidget::MercurialCommitWidget(QWidget *parent) :
+        Core::Utils::SubmitEditorWidget(parent),
+        mercurialCommitPanel(new QWidget)
+{
+    mercurialCommitPanelUi.setupUi(mercurialCommitPanel);
+    insertTopWidget(mercurialCommitPanel);
+    new MercurialSubmitHighlighter(descriptionEdit());
+}
+
+void MercurialCommitWidget::setFields(const QString &repositoryRoot, const QString &branch,
+                                      const QString &userName, const QString &email)
+{
+    mercurialCommitPanelUi.repositoryLabel->setText(repositoryRoot);
+    mercurialCommitPanelUi.branchLabel->setText(branch);
+    mercurialCommitPanelUi.authorLineEdit->setText(userName);
+    mercurialCommitPanelUi.emailLineEdit->setText(email);
+}
+
+QString MercurialCommitWidget::committer()
+{
+    QString user = mercurialCommitPanelUi.authorLineEdit->text() + QLatin1String(" <") +
+                   mercurialCommitPanelUi.emailLineEdit->text() + QLatin1String(">");
+    return user;
+}
+
+QString MercurialCommitWidget::repoRoot()
+{
+    return mercurialCommitPanelUi.repositoryLabel->text();
+}
+
+} // namespace Internal
+} // namespace Mercurial