version 1.4.0_alpha

add LogView
patch MatrixEdit for old Qt

qad/application/logview.cpp

@@ -0,0 +1,183 @@
+#include "logview.h"
+#include "ui_logview.h"
+#include "qad_types.h"
+#include "ecombobox.h"
+#include <QTextDocument>
+#include <QAbstractTextDocumentLayout>
+#include <QTextEdit>
+#include <QTextBlock>
+#include <QScrollBar>
+#include <QPixmap>
+#include <QEvent>
+
+
+LogView::Category::Category() {
+	bold = false;
+}
+
+
+void LogView::Category::makeIcon(QSize size, QSize size_icon) {
+	icon_image = QImage();
+	if (!image.isNull())
+		icon_image = image.scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+	QPixmap px = QPixmap::fromImage(image.scaled(size_icon, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+	icon.addPixmap(px, QIcon::Active);
+	icon.addPixmap(px, QIcon::Disabled);
+	icon.addPixmap(px, QIcon::Normal);
+	icon.addPixmap(px, QIcon::Selected);
+}
+
+
+
+
+LogView::LogView(QWidget * parent): QWidget(parent) {
+	ui = new Ui::LogView();
+	ui->setupUi(this);
+	ui->buttonClear->setDefaultAction(ui->actionClear);
+	ui->labelIconSearch->setFixedSize(preferredIconSize(1.2, this));
+	ui->comboCategory->addItem(tr("All"));
+	ui->textEdit->document()->setUndoRedoEnabled(false);
+	setLinesLimit(10000);
+	QTextCursor tc(ui->textEdit->document());
+	def_cf = tc.charFormat();
+}
+
+
+LogView::~LogView() {
+	delete ui;
+}
+
+
+const QTextEdit * LogView::textEdit() const {
+	return ui->textEdit;
+}
+
+
+void LogView::setLogFont(QFont f) {
+	ui->textEdit->document()->setDefaultFont(f);
+	QTextCursor tc(ui->textEdit->document());
+	def_cf = tc.charFormat();
+}
+
+
+QFont LogView::logFont() const {
+	return ui->textEdit->document()->defaultFont();
+}
+
+
+bool LogView::isFilterVisible() const {
+	return !ui->widgetToolbar->isHidden();
+}
+
+
+int LogView::linesLimit() const {
+	return ui->textEdit->document()->maximumBlockCount();
+}
+
+
+void LogView::registerCategory(const QString & label, QString keyword, const QImage & icon, QColor color, bool bold) {
+	if (keyword.isEmpty()) keyword = label;
+	if (keyword.isEmpty()) return;
+	Category & c(categories[keyword]);
+	c.label = label;
+	c.keyword = keyword;
+	c.image = icon;
+	c.color = color;
+	c.bold = bold;
+	c.makeIcon(iconImageSize(), preferredIconSize(1., this));
+	ui->comboCategory->addItem(c.icon, label, keyword);
+}
+
+
+void LogView::addText(const QString & text, bool insert_newline) {
+	QTextCursor tc(ui->textEdit->document());
+	QStringList sl = text.split("\n");
+	tc.movePosition(QTextCursor::End);
+	QScrollBar * bar = ui->textEdit->verticalScrollBar();
+	bool at_end = (bar->value() == bar->maximum());
+	for (int i = 0; i < sl.size(); ++i) {
+		tc.insertText(sl[i]);
+		if ((i < sl.size() - 1) || insert_newline)
+			newLine();
+	}
+	if (at_end)
+		bar->setValue(bar->maximum());
+	filter();
+}
+
+
+void LogView::changeEvent(QEvent * e) {
+	if (e->type() == QEvent::Polish) {
+		ui->labelIconSearch->setFixedSize(preferredIconSize(1.2, this));
+		QSize is = iconImageSize(), is_i = preferredIconSize(1., this);
+		QMutableMapIterator<QString, Category> it(categories);
+		while (it.hasNext())
+			it.next().value().makeIcon(is, is_i);
+	}
+}
+
+
+void LogView::newLine() {
+	QTextCursor tc(ui->textEdit->document());
+	tc.movePosition(QTextCursor::End);
+	tc.movePosition(QTextCursor::StartOfBlock, QTextCursor::KeepAnchor);
+	QString line = tc.selectedText();
+	QImage icon;
+	QMapIterator<QString, Category> it(categories);
+	while (it.hasNext()) {
+		it.next();
+		if (line.contains(it.key(), Qt::CaseInsensitive)) {
+			QTextCharFormat  cf = def_cf;
+			cf.setForeground(it.value().color);
+			if (it.value().bold)
+				cf.setFontWeight(QFont::Bold);
+			tc.setCharFormat(cf);
+			icon = it.value().icon_image;
+			break;
+		}
+	}
+	if (!icon.isNull()) {
+		tc.movePosition(QTextCursor::StartOfBlock, QTextCursor::MoveAnchor);
+		tc.insertImage(icon);
+	}
+	tc.movePosition(QTextCursor::End);
+	tc.setCharFormat(def_cf);
+	tc.insertBlock();
+}
+
+
+QSize LogView::iconImageSize() {
+	int hei = QFontMetrics(ui->textEdit->document()->defaultFont()).height() / 1.25;
+	return QSize(hei, hei);
+}
+
+
+void LogView::setFilterVisible(bool yes) {
+	ui->widgetToolbar->setHidden(!yes);
+}
+
+
+void LogView::setLinesLimit(int l) {
+	ui->textEdit->document()->setMaximumBlockCount(l);
+}
+
+
+void LogView::clear() {
+	ui->textEdit->clear();
+}
+
+
+void LogView::filter() {
+	QTextDocument * doc = ui->textEdit->document();
+	int bc = doc->blockCount();
+	QString fs[2] = {ui->comboCategory->currentData().toString(), ui->lineEdit->text()};
+	QTextBlock bl;
+	for (int i = 0; i < bc; ++i) {
+		bl = doc->findBlockByNumber(i);
+		bool vis = true;
+		if (!fs[0].isEmpty()) vis = vis && bl.text().contains(fs[0], Qt::CaseInsensitive);
+		if (!fs[1].isEmpty()) vis = vis && bl.text().contains(fs[1], Qt::CaseInsensitive);
+		bl.setVisible(vis);
+	}
+	doc->markContentsDirty(0, bl.position() + bl.length());
+}