Initial gamepad implementation. Closes #237.

common/lc_mainwindow.cpp

@@ -24,6 +24,10 @@
 #include "lc_colors.h"
 #include <functional>
 
+#if (QT_VERSION > QT_VERSION_CHECK(5, 7, 0))
+#include <QtGamepad/QGamepad>
+#endif
+
 lcMainWindow* gMainWindow;
 #define LC_TAB_LAYOUT_VERSION 0x0001
 
@@ -81,6 +85,12 @@ lcMainWindow::lcMainWindow()
 	for (int FileIdx = 0; FileIdx < LC_MAX_RECENT_FILES; FileIdx++)
 		mRecentFiles[FileIdx] = lcGetProfileString((LC_PROFILE_KEY)(LC_PROFILE_RECENT_FILE1 + FileIdx));
 
+#if (QT_VERSION > QT_VERSION_CHECK(5, 7, 0))
+	connect(&mGamepadTimer, &QTimer::timeout, this, &lcMainWindow::UpdateGamepads);
+	mLastGamepadUpdate = QDateTime::currentDateTime();
+	mGamepadTimer.start(33);
+#endif
+
 	gMainWindow = this;
 }
 
@@ -777,6 +787,34 @@ QMenu* lcMainWindow::createPopupMenu()
 	return Menu;
 }
 
+void lcMainWindow::UpdateGamepads()
+{
+#if (QT_VERSION > QT_VERSION_CHECK(5, 7, 0))
+	QDateTime Now = QDateTime::currentDateTime();
+	quint64 Elapsed = mLastGamepadUpdate.msecsTo(Now);
+	mLastGamepadUpdate = Now;
+
+	if (!gMainWindow)
+		return;
+
+	View* ActiveView = GetActiveView();
+	if (!ActiveView)
+		return;
+
+	const QList<int> Gamepads = QGamepadManager::instance()->connectedGamepads();
+	if (Gamepads.isEmpty())
+		return;
+
+	QGamepad Gamepad(Gamepads[0]);
+
+	float Scale = (float)Elapsed / 20.0f;
+	lcVector3 Distance(Scale * Gamepad.axisLeftX(), 0.0f, -Scale * Gamepad.axisLeftY());
+
+	if (fabsf(Distance.LengthSquared()) > 0.01f)
+		ActiveView->MoveCamera(Distance);
+#endif
+}
+
 void lcMainWindow::ModelTabContextMenuRequested(const QPoint& Point)
 {
 	QMenu* Menu = new QMenu;

common/lc_mainwindow.h

@@ -327,6 +327,7 @@ public slots:
 	void ProjectFileChanged(const QString& Path);
 
 protected slots:
+	void UpdateGamepads();
 	void ModelTabContextMenuRequested(const QPoint& Point);
 	void ModelTabCloseOtherTabs();
 	void ModelTabResetViews();
@@ -368,6 +369,9 @@ protected:
 		return nullptr;
 	}
 
+	QTimer mGamepadTimer;
+	QDateTime mLastGamepadUpdate;
+
 	bool mAddKeys;
 	lcTool mTool;
 	lcTransformType mTransformType;

leocad.pro

@@ -1,11 +1,19 @@
 QT += core gui opengl network xml
 TEMPLATE = app
 
-greaterThan(QT_MAJOR_VERSION, 4) {
+greaterThan(QT_MAJOR_VERSION, 4)
+{
     QT *= printsupport
     QT += concurrent
 }
 
+greaterThan(QT_MAJOR_VERSION, 5)
+{
+    QT += gamepad
+}
+
+equals(QT_MAJOR_VERSION, 5) : greaterThan(QT_MINOR_VERSION, 7): QT += gamepad
+
 INCLUDEPATH += qt common
 CONFIG += precompile_header incremental c++11
 win32 {