LogView patch - addText with force category, color now background

libs/application/logview.cpp

@@ -9,6 +9,16 @@
 #include <QScrollBar>
 #include <QPixmap>
 #include <QEvent>
+#include <QTextBlockUserData>
+
+
+class TextBlockData: public QTextBlockUserData {
+public:
+	TextBlockData(const QString & kw): keyword(kw) {}
+	QString keyword;
+};
+
+
 
 
 LogView::Category::Category() {
@@ -48,6 +58,7 @@ LogView::LogView(QWidget * parent): QWidget(parent) {
 	setLinesLimit(10000);
 	QTextCursor tc(ui->textEdit->document());
 	def_cf = tc.charFormat();
+	def_bf = tc.blockFormat();
 }
 
 
@@ -65,6 +76,7 @@ void LogView::setLogFont(QFont f) {
 	ui->textEdit->document()->setDefaultFont(f);
 	QTextCursor tc(ui->textEdit->document());
 	def_cf = tc.charFormat();
+	def_bf = tc.blockFormat();
 }
 
 
@@ -154,6 +166,11 @@ void LogView::clearCategories() {
 
 
 void LogView::addText(const QString & text, bool insert_newline) {
+	addText(text, QString(), insert_newline);
+}
+
+
+void LogView::addText(const QString & text, const QString & keyword, bool insert_newline) {
 	if (text.isEmpty()) return;
 	QTextCursor tc(ui->textEdit->document());
 	QStringList sl = text.split("\n");
@@ -162,8 +179,10 @@ void LogView::addText(const QString & text, bool insert_newline) {
 	bool at_end = (bar->value() == bar->maximum()) || bar->isHidden();
 	for (int i = 0; i < sl.size(); ++i) {
 		tc.insertText(sl[i]);
+		if (!keyword.isEmpty())
+			tc.block().setUserData(new TextBlockData(keyword));
 		if ((i < sl.size() - 1) || insert_newline)
-			newLine();
+			newLine(keyword);
 	}
 	if (at_end)
 		scrollToBottom();
@@ -191,19 +210,24 @@ void LogView::changeEvent(QEvent * e) {
 }
 
 
-void LogView::newLine() {
+void LogView::newLine(const QString & keyword) {
 	QTextCursor tc(ui->textEdit->document());
 	tc.movePosition(QTextCursor::End);
 	tc.movePosition(QTextCursor::StartOfBlock, QTextCursor::KeepAnchor);
 	QString line = tc.selectedText();
 	QImage icon;
 	foreach (const Category & c, categories) {
-		if (line.contains(c.regexp)) {
-			QTextCharFormat  cf = def_cf;
-			cf.setForeground(c.color);
+		bool matched = false;
+		if (keyword.isEmpty()) matched = line.contains(c.regexp);
+		else matched = (keyword == c.regexp.pattern());
+		if (matched) {
+			QTextCharFormat cf = def_cf;
+			QTextBlockFormat bf = def_bf;
+			bf.setBackground(c.color);
 			if (c.bold)
 				cf.setFontWeight(QFont::Bold);
 			tc.setCharFormat(cf);
+			tc.setBlockFormat(bf);
 			icon = c.icon_image;
 			break;
 		}
@@ -222,8 +246,9 @@ void LogView::newLine() {
 	if (isFilterVisible())
 		filterBlock(tc.block(), fs, regexp);
 	tc.movePosition(QTextCursor::End);
-	tc.setCharFormat(def_cf);
 	tc.insertBlock();
+	tc.setCharFormat(def_cf);
+	tc.setBlockFormat(def_bf);
 }
 
 
@@ -240,7 +265,15 @@ void LogView::filterBlock(QTextBlock block, const QString & fs, const QRegularEx
 		if (line[0] == QChar::ObjectReplacementCharacter)
 			line.remove(0, 1);
 	}
-	if (regexp.isValid()) vis = vis && line.contains(regexp);
+	if (regexp.isValid() && !regexp.pattern().isEmpty()) {
+		QString kw;
+		TextBlockData * bd = (TextBlockData*)block.userData();
+		if (bd) kw = bd->keyword;
+		if (!kw.isEmpty())
+			vis = vis && (bd->keyword == regexp.pattern());
+		else
+			vis = vis && line.contains(regexp);
+	}
 	if (!fs.isEmpty()) vis = vis && line.contains(fs, Qt::CaseInsensitive);
 	block.setVisible(vis);
 	//qDebug() << "filterBlock" << line << vis;