UI: Add log viewer window

2026-09-19 09:41:32 +08:00 · 2020-07-31 19:57:12 -07:00
parent 3107eda0d2
commit 040e445617
8 changed files with 217 additions and 20 deletions
@@ -0,0 +1,145 @@
+#include <QFile>
+#include <QTextStream>
+#include <QScrollBar>
+#include <QFont>
+#include <QFontDatabase>
+#include <QPushButton>
+#include <QCheckBox>
+#include <QLayout>
+#include <string>
+
+#include "log-viewer.hpp"
+#include "qt-wrappers.hpp"
+
+OBSLogViewer::OBSLogViewer(QWidget *parent) : QDialog(parent)
+{
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+	QVBoxLayout *layout = new QVBoxLayout();
+	layout->setContentsMargins(0, 0, 0, 0);
+
+	const QFont fixedFont =
+		QFontDatabase::systemFont(QFontDatabase::FixedFont);
+
+	textArea = new QTextEdit();
+	textArea->setReadOnly(true);
+	textArea->setFont(fixedFont);
+
+	QHBoxLayout *buttonLayout = new QHBoxLayout();
+	QPushButton *clearButton = new QPushButton(QTStr("Clear"));
+	connect(clearButton, &QPushButton::clicked, this,
+		&OBSLogViewer::ClearText);
+	QPushButton *closeButton = new QPushButton(QTStr("Close"));
+	connect(closeButton, &QPushButton::clicked, this, &QDialog::hide);
+
+	QCheckBox *showStartup = new QCheckBox(QTStr("ShowOnStartup"));
+	showStartup->setChecked(ShowOnStartup());
+	connect(showStartup, SIGNAL(toggled(bool)), this,
+		SLOT(ToggleShowStartup(bool)));
+
+	buttonLayout->addSpacing(10);
+	buttonLayout->addWidget(showStartup);
+	buttonLayout->addStretch();
+	buttonLayout->addWidget(clearButton);
+	buttonLayout->addWidget(closeButton);
+	buttonLayout->addSpacing(10);
+	buttonLayout->setContentsMargins(0, 0, 0, 4);
+
+	layout->addWidget(textArea);
+	layout->addLayout(buttonLayout);
+	setLayout(layout);
+
+	setWindowTitle(QTStr("LogViewer"));
+	resize(800, 300);
+
+	const char *geom = config_get_string(App()->GlobalConfig(), "LogViewer",
+					     "geometry");
+
+	if (geom != nullptr) {
+		QByteArray ba = QByteArray::fromBase64(QByteArray(geom));
+		restoreGeometry(ba);
+	}
+
+	InitLog();
+}
+
+OBSLogViewer::~OBSLogViewer()
+{
+	config_set_string(App()->GlobalConfig(), "LogViewer", "geometry",
+			  saveGeometry().toBase64().constData());
+}
+
+void OBSLogViewer::ToggleShowStartup(bool checked)
+{
+	config_set_bool(App()->GlobalConfig(), "LogViewer", "ShowLogStartup",
+			checked);
+}
+
+bool OBSLogViewer::ShowOnStartup()
+{
+	return config_get_bool(App()->GlobalConfig(), "LogViewer",
+			       "ShowLogStartup");
+}
+
+extern QPointer<OBSLogViewer> obsLogViewer;
+
+void OBSLogViewer::InitLog()
+{
+	char logDir[512];
+	std::string path;
+
+	if (GetConfigPath(logDir, sizeof(logDir), "obs-studio/logs")) {
+		path += logDir;
+		path += "/";
+		path += App()->GetCurrentLog();
+	}
+
+	QFile file(QT_UTF8(path.c_str()));
+
+	if (file.open(QIODevice::ReadOnly)) {
+		QTextStream in(&file);
+
+		while (!in.atEnd()) {
+			QString line = in.readLine();
+			AddLine(LOG_INFO, line);
+		}
+
+		file.close();
+	}
+
+	obsLogViewer = this;
+}
+
+void OBSLogViewer::AddLine(int type, const QString &str)
+{
+	QString msg = str.toHtmlEscaped();
+
+	switch (type) {
+	case LOG_WARNING:
+		msg = QStringLiteral("<font color=\"#c08000\">") + msg +
+		      QStringLiteral("</font>");
+		break;
+	case LOG_ERROR:
+		msg = QStringLiteral("<font color=\"#c00000\">") + msg +
+		      QStringLiteral("</font>");
+		break;
+	}
+
+	QScrollBar *scroll = textArea->verticalScrollBar();
+	bool bottomScrolled = scroll->value() >= scroll->maximum() - 10;
+
+	if (bottomScrolled)
+		scroll->setValue(scroll->maximum());
+
+	QTextCursor newCursor = textArea->textCursor();
+	newCursor.movePosition(QTextCursor::End);
+	newCursor.insertHtml(msg + QStringLiteral("<br>"));
+
+	if (bottomScrolled)
+		scroll->setValue(scroll->maximum());
+}
+
+void OBSLogViewer::ClearText()
+{
+	textArea->clear();
+}