Set a better default size for the visualisation, and make resizing work

src/visualisations/projectmvisualisation.cpp

@@ -55,7 +55,7 @@ void ProjectMVisualisation::paintGL() {
 }
 
 void ProjectMVisualisation::resizeGL(int w, int h) {
-
+  projectm_->projectM_resetGL(w, h);
 }
 
 void ProjectMVisualisation::ConsumeBuffer(GstBuffer *buffer, GstEnginePipeline*) {

src/visualisations/visualisationcontainer.cpp

@@ -19,6 +19,11 @@
 #include "engines/gstengine.h"
 
 #include <QHBoxLayout>
+#include <QSettings>
+
+const char* VisualisationContainer::kSettingsGroup = "Visualisations";
+const int VisualisationContainer::kDefaultWidth = 828;
+const int VisualisationContainer::kDefaultHeight = 512;
 
 VisualisationContainer::VisualisationContainer(QWidget *parent)
   : QWidget(parent),
@@ -26,13 +31,18 @@ VisualisationContainer::VisualisationContainer(QWidget *parent)
     vis_(new ProjectMVisualisation(this))
 {
   setWindowTitle(tr("Clementine Visualisation"));
-  resize(512, 512);
 
   QHBoxLayout* layout = new QHBoxLayout(this);
   layout->setMargin(0);
   layout->setSpacing(0);
   layout->addWidget(vis_);
   setLayout(layout);
+
+  QSettings s;
+  s.beginGroup(kSettingsGroup);
+  if (!restoreGeometry(s.value("geometry").toByteArray())) {
+    resize(kDefaultWidth, kDefaultHeight);
+  }
 }
 
 void VisualisationContainer::SetEngine(GstEngine* engine) {
@@ -50,3 +60,9 @@ void VisualisationContainer::hideEvent(QHideEvent*) {
   if (engine_)
     engine_->RemoveBufferConsumer(vis_);
 }
+
+void VisualisationContainer::resizeEvent(QResizeEvent *) {
+  QSettings s;
+  s.beginGroup(kSettingsGroup);
+  s.setValue("geometry", saveGeometry());
+}

src/visualisations/visualisationcontainer.h

@@ -28,12 +28,17 @@ class VisualisationContainer : public QWidget {
 public:
   VisualisationContainer(QWidget* parent = 0);
 
+  static const char* kSettingsGroup;
+  static const int kDefaultWidth;
+  static const int kDefaultHeight;
+
   void SetEngine(GstEngine* engine);
 
 protected:
   // QWidget
   void showEvent(QShowEvent*);
   void hideEvent(QHideEvent*);
+  void resizeEvent(QResizeEvent *);
 
 private:
   GstEngine* engine_;