F1 to show help; 1 resource file; no lto

icons.qrc → files.qrc

@@ -2,5 +2,6 @@
     <qresource prefix="/">
         <file>icons/icon_22x22.png</file>
         <file>icons/icon_64x64.png</file>
+        <file>readstartup.md</file>
     </qresource>
 </RCC>

mainwindow.cpp

@@ -358,6 +358,14 @@ void MainWindow::setShortcuts()
 	hideNavBar->setShortcutContext(Qt::WidgetWithChildrenShortcut);
 	connect(hideNavBar,&QAction::triggered,ui->navBar,&QLineEdit::hide,Qt::DirectConnection);
 	this->addAction(hideNavBar);
+
+	QAction *showHelp = new QAction(this);
+	showHelp->setShortcut(Qt::Key_F1);
+	showHelp->setShortcutContext(Qt::ApplicationShortcut);
+	connect(showHelp,&QAction::triggered,[=]{
+		ui->content->setCurrentIndex(0);
+	});
+	this->addAction(showHelp);
 }
 
 MainWindow::~MainWindow()
@@ -582,7 +590,7 @@ void MainWindow::onSelectionChanged()
 {
 	QModelIndexList list = ui->treeView->selected();
 	if(list.size()) {
-		QWidget *tab = model->getItem(list.at(0))->tab;
+		QPointer<QWidget> tab = model->getItem(list.at(0))->tab;
 		if(tab){
 			ui->content->setCurrentWidget(tab);
 			setWindowTitle(tab->windowTitle());

qtchan.pro

@@ -6,7 +6,7 @@ greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 TARGET = qtchan
 TEMPLATE = app
 
-QMAKE_CXXFLAGS_RELEASE += -O3 -flto
+QMAKE_CXXFLAGS_RELEASE += -O3
 
 SOURCES += main.cpp\
     mainwindow.cpp \
@@ -70,5 +70,4 @@ FORMS   += mainwindow.ui \
 RC_ICONS = icons/icon.ico
 
 RESOURCES += \
-    icons.qrc \
-    readme.qrc
+    files.qrc

readstartup.md

@@ -1,5 +1,6 @@
 <p>welcome to <a href="https://github.com/siavash119/qtchan">qtchan</a>. here is some useful info</p>
 <ul>
+<li>F1 shows this help</li>
 <li>ctrl+l opens up the nav bar</li>
 <li>you can type g or g/boardnum or /g/ or https://boards.4chan... etc.</li>
 <li>g for first page, /g/ for catalog, g/search to get catalog and search</li>