Add Select All and Deselect menu items and key commands.

include/app/RackWidget.hpp

@@ -74,7 +74,8 @@ struct RackWidget : widget::OpaqueWidget {
 	// Module selection methods
 
 	void updateModuleSelections();
-	void clearModuleSelections();
+	void deselectModules();
+	void selectAllModules();
 	bool hasSelectedModules();
 	int getNumSelectedModules();
 	std::list<ModuleWidget*> getSelectedModules();

src/app/MenuBar.cpp

@@ -215,10 +215,8 @@ struct EditButton : MenuButton {
 		disconnectCablesItem->text = "Clear cables";
 		menu->addChild(disconnectCablesItem);
 
-		if (APP->scene->rack->hasSelectedModules()) {
-			menu->addChild(new ui::MenuSeparator);
-			APP->scene->rack->appendSelectionContextMenu(menu);
-		}
+		menu->addChild(new ui::MenuSeparator);
+		APP->scene->rack->appendSelectionContextMenu(menu);
 
 		menu->addChild(new ui::MenuSeparator);
 

src/app/RackWidget.cpp

@@ -654,12 +654,18 @@ void RackWidget::updateModuleSelections() {
 	}
 }
 
-void RackWidget::clearModuleSelections() {
+void RackWidget::deselectModules() {
 	for (ModuleWidget* mw : getModules()) {
 		mw->selected() = false;
 	}
 }
 
+void RackWidget::selectAllModules() {
+	for (ModuleWidget* mw : getModules()) {
+		mw->selected() = true;
+	}
+}
+
 bool RackWidget::hasSelectedModules() {
 	for (widget::Widget* w : internal->moduleContainer->children) {
 		ModuleWidget* mw = dynamic_cast<ModuleWidget*>(w);
@@ -833,39 +839,44 @@ void RackWidget::appendSelectionContextMenu(ui::Menu* menu) {
 	int n = getNumSelectedModules();
 	menu->addChild(createMenuLabel(string::f("%d selected %s", n, n == 1 ? "module" : "modules")));
 
-	// Deselect
-	menu->addChild(createMenuItem("Deselect", "", [=]() {
-		clearModuleSelections();
+	// Select all
+	menu->addChild(createMenuItem("Select all", RACK_MOD_CTRL_NAME "+A", [=]() {
+		selectAllModules();
 	}));
 
+	// Deselect
+	menu->addChild(createMenuItem("Deselect", RACK_MOD_CTRL_NAME "+" RACK_MOD_SHIFT_NAME "+A", [=]() {
+		deselectModules();
+	}, n == 0));
+
 	// Initialize
 	menu->addChild(createMenuItem("Initialize", RACK_MOD_CTRL_NAME "+I", [=]() {
 		resetSelectedModulesAction();
-	}));
+	}, n == 0));
 
 	// Randomize
 	menu->addChild(createMenuItem("Randomize", RACK_MOD_CTRL_NAME "+R", [=]() {
 		randomizeSelectedModulesAction();
-	}));
+	}, n == 0));
 
 	// Disconnect cables
 	menu->addChild(createMenuItem("Disconnect cables", RACK_MOD_CTRL_NAME "+U", [=]() {
 		disconnectSelectedModulesAction();
-	}));
+	}, n == 0));
 
 	// Bypass
 	std::string bypassText = RACK_MOD_CTRL_NAME "+E";
-	bool bypassed = areSelectedModulesBypassed();
+	bool bypassed = (n > 0) && areSelectedModulesBypassed();
 	if (bypassed)
 		bypassText += " " CHECKMARK_STRING;
 	menu->addChild(createMenuItem("Bypass", bypassText, [=]() {
 		bypassSelectedModulesAction(!bypassed);
-	}));
+	}, n == 0));
 
 	// Delete
 	menu->addChild(createMenuItem("Delete", "Backspace/Delete", [=]() {
 		deleteSelectedModulesAction();
-	}));
+	}, n == 0));
 }
 
 void RackWidget::clearCables() {

src/app/Scene.cpp

@@ -212,6 +212,14 @@ void Scene::onHoverKey(const HoverKeyEvent& e) {
 		}
 
 		// Module selections
+		if (e.keyName == "a" && (e.mods & RACK_MOD_MASK) == RACK_MOD_CTRL) {
+			rack->selectAllModules();
+			e.consume(this);
+		}
+		if (e.keyName == "a" && (e.mods & RACK_MOD_MASK) == (RACK_MOD_CTRL | GLFW_MOD_SHIFT)) {
+			rack->deselectModules();
+			e.consume(this);
+		}
 		if (e.keyName == "i" && (e.mods & RACK_MOD_MASK) == RACK_MOD_CTRL) {
 			if (rack->hasSelectedModules())
 				rack->resetSelectedModulesAction();