Experiment with a fullscreen toggle.

Resolve invalid use of `constexpr` in IPF.cpp.

InstructionSets/PowerPC/Decoder.cpp

@@ -595,10 +595,10 @@ Instruction Decoder<model, validate_reserved_bits>::decode(uint32_t opcode) {
 	return Instruction(opcode);
 }
 
-template class InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC601, true>;
-template class InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC603, true>;
-template class InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC620, true>;
+template struct InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC601, true>;
+template struct InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC603, true>;
+template struct InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC620, true>;
 
-template class InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC601, false>;
-template class InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC603, false>;
-template class InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC620, false>;
+template struct InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC601, false>;
+template struct InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC603, false>;
+template struct InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC620, false>;

OSBindings/Qt/mainwindow.cpp

@@ -478,6 +478,18 @@ void MainWindow::addDisplayMenu(const std::string &machinePrefix, const std::str
 	QAction *sVideoAction = nullptr;
 	QAction *rgbAction = nullptr;
 
+	// Add the fullscreen toggle.
+	QAction *const fullscreenToggleAction = new QAction(tr("Toggle fullscreen"));
+	fullscreenToggleAction->setShortcut(QKeySequence(Qt::CTRL + Qt::ALT + Qt::Key_F));
+	displayMenu->addAction(fullscreenToggleAction);
+	connect(fullscreenToggleAction, &QAction::triggered, this, [=] {
+		if(window()->isFullScreen()) {
+			window()->showNormal();
+		} else {
+			window()->showFullScreen();
+		}
+	});
+
 	// Add all requested actions.
 #define Add(name, action)								\
 	if(!name.empty()) {									\

Storage/Disk/DiskImage/Formats/IPF.cpp

@@ -25,7 +25,7 @@ constexpr uint32_t block(const char (& src)[5]) {
 	);
 }
 
-constexpr size_t block_size(Storage::FileHolder &file, uint8_t header) {
+size_t block_size(Storage::FileHolder &file, uint8_t header) {
 	uint8_t size_width = header >> 5;
 	size_t length = 0;
 	while(size_width--) {