ui: Added GitHub and Patreon buttons to start window

bin/app/data/gui/startscreen/startscreen.css

@@ -1,14 +1,18 @@
-#projectButton {
+#projectButton, #infoButton {
 	background: white;
 	border: 1px solid lightgray;
 	border-radius: 8px;
 	color: black;
-	padding: 3px 5px 2px;
+	padding: 4px 5px 3px;
 	font-size: 14px;
 	min-width: 6em;
 }
 
-#projectButton:hover {
+#infoButton {
+	padding: 4px 15px 3px;
+}
+
+#projectButton:hover, #infoButton:hover {
 	color: white;
 	background: #2D3F85;
 }

src/lib_gui/qt/window/QtMainWindow.cpp

@@ -514,12 +514,12 @@ void QtMainWindow::showErrorHelpMessage()
 
 void QtMainWindow::showChangelog()
 {
-	QDesktopServices::openUrl(QUrl("https://github.com/CoatiSoftware/SourcetrailBugTracker/#changelog"));
+	QDesktopServices::openUrl(QUrl("https://github.com/CoatiSoftware/Sourcetrail/blob/master/CHANGELOG.md"));
 }
 
 void QtMainWindow::showBugtracker()
 {
-	QDesktopServices::openUrl(QUrl("https://github.com/CoatiSoftware/SourcetrailBugTracker/issues"));
+	QDesktopServices::openUrl(QUrl("https://github.com/CoatiSoftware/Sourcetrail/issues"));
 }
 
 void QtMainWindow::showLicenses()

src/lib_gui/qt/window/QtStartScreen.cpp

@@ -1,6 +1,7 @@
 #include "QtStartScreen.h"
 
 #include <QCheckBox>
+#include <QDesktopServices>
 #include <QLabel>
 #include <QString>
 #include <QHBoxLayout>
@@ -86,6 +87,8 @@ QtStartScreen::QtStartScreen(QWidget *parent)
 	, m_pythonIcon(QString::fromStdWString(ResourcePaths::getGuiPath().concatenate(L"icon/python_icon.png").wstr()))
 	, m_javaIcon(QString::fromStdWString(ResourcePaths::getGuiPath().concatenate(L"icon/java_icon.png").wstr()))
 	, m_projectIcon(QString::fromStdWString(ResourcePaths::getGuiPath().concatenate(L"icon/empty_icon.png").wstr()))
+	, m_githubIcon(QString::fromStdWString(ResourcePaths::getGuiPath().concatenate(L"startscreen/github_icon.png").wstr()))
+	, m_patreonIcon(QString::fromStdWString(ResourcePaths::getGuiPath().concatenate(L"startscreen/patreon_icon.png").wstr()))
 {
 }
 
@@ -174,6 +177,31 @@ void QtStartScreen::setupStartScreen()
 
 		col->addSpacing(15);
 
+		QPushButton* githubButton = new QPushButton("Contribute on GitHub", this);
+		githubButton->setAttribute(Qt::WA_LayoutUsesWidgetRect); // fixes layouting on Mac
+		githubButton->setObjectName("infoButton");
+		githubButton->setIcon(m_githubIcon);
+		githubButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+		connect(githubButton, &QPushButton::clicked, [](){
+			QDesktopServices::openUrl(QUrl("https://github.com/CoatiSoftware/Sourcetrail", QUrl::TolerantMode));
+		});
+		col->addWidget(githubButton);
+
+		col->addSpacing(8);
+
+		// QPushButton* patreonButton = new QPushButton("Support on Patreon", this);
+		QPushButton* patreonButton = new QPushButton("Become a Patron", this);
+		patreonButton->setAttribute(Qt::WA_LayoutUsesWidgetRect); // fixes layouting on Mac
+		patreonButton->setObjectName("infoButton");
+		patreonButton->setIcon(m_patreonIcon);
+		patreonButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+		connect(patreonButton, &QPushButton::clicked, [](){
+			QDesktopServices::openUrl(QUrl("https://www.patreon.com/sourcetrail", QUrl::TolerantMode));
+		});
+		col->addWidget(patreonButton);
+
+		col->addSpacing(15);
+
 		{
 			QLabel* newsHeader = new QLabel("News:");
 			newsHeader->setObjectName("boldLabel");

src/lib_gui/qt/window/QtStartScreen.h

@@ -48,11 +48,13 @@ private slots:
 
 private:
 	std::vector<QtRecentProjectButton*> m_recentProjectsButtons;
-	QIcon m_cppIcon;
-	QIcon m_cIcon;
-	QIcon m_pythonIcon;
-	QIcon m_javaIcon;
-	QIcon m_projectIcon;
+	const QIcon m_cppIcon;
+	const QIcon m_cIcon;
+	const QIcon m_pythonIcon;
+	const QIcon m_javaIcon;
+	const QIcon m_projectIcon;
+	const QIcon m_githubIcon;
+	const QIcon m_patreonIcon;
 };
 
 #endif // QT_START_SCREEN_H