ui: added universal font size setting and shortcuts for changing it

This change adds font size and font family to the ApplicationSettings to have a single point for manipulating them. The
font size can also be changed via the menu or the zoomIn and zoomOut shortcuts on all platforms.

src/lib/component/controller/CodeController.cpp

@@ -25,7 +25,7 @@ const uint CodeController::s_lineRadius = 2;
 
 void CodeController::handleMessage(MessageActivateTokens* message)
 {
-	if (message->isIgnorable())
+	if (message->isEdge && message->isIgnorable())
 	{
 		return;
 	}

src/lib/component/controller/FeatureController.cpp

@@ -1,8 +1,10 @@
 #include "component/controller/FeatureController.h"
 
 #include "utility/messaging/type/MessageActivateTokens.h"
+#include "utility/messaging/type/MessageRefresh.h"
 
 #include "data/access/StorageAccess.h"
+#include "settings/ApplicationSettings.h"
 
 FeatureController::FeatureController(StorageAccess* storageAccess)
 	: m_storageAccess(storageAccess)
@@ -85,3 +87,12 @@ void FeatureController::handleMessage(MessageSearch* message)
 	m.undoRedoType = message->undoRedoType;
 	m.dispatchImmediately();
 }
+
+void FeatureController::handleMessage(MessageZoom* message)
+{
+	ApplicationSettings* settings = ApplicationSettings::getInstance().get();
+	settings->setFontSize(std::max(settings->getFontSize() + (message->zoomIn ? 1 : -1), 5));
+	settings->save();
+
+	MessageRefresh(true).dispatch();
+}

src/lib/component/controller/FeatureController.h

@@ -7,6 +7,7 @@
 #include "utility/messaging/type/MessageActivateNode.h"
 #include "utility/messaging/type/MessageActivateTokenLocation.h"
 #include "utility/messaging/type/MessageSearch.h"
+#include "utility/messaging/type/MessageZoom.h"
 
 #include "component/controller/Controller.h"
 
@@ -19,6 +20,7 @@ class FeatureController
 	, public MessageListener<MessageActivateNode>
 	, public MessageListener<MessageActivateTokenLocation>
 	, public MessageListener<MessageSearch>
+	, public MessageListener<MessageZoom>
 {
 public:
 	FeatureController(StorageAccess* storageAccess);
@@ -30,6 +32,7 @@ private:
 	virtual void handleMessage(MessageActivateNode* message);
 	virtual void handleMessage(MessageActivateTokenLocation* message);
 	virtual void handleMessage(MessageSearch* message);
+	virtual void handleMessage(MessageZoom* message);
 
 	StorageAccess* m_storageAccess;
 };

src/lib/component/controller/GraphController.cpp

@@ -712,7 +712,7 @@ void GraphController::layoutNestingRecursive(DummyNode& node) const
 		}
 
 		subNode.position.x = margins.left + x;
-		subNode.position.y = margins.top + y;
+		subNode.position.y = margins.top + margins.charHeight + y;
 
 		if (layoutHorizontal)
 		{
@@ -747,7 +747,7 @@ void GraphController::layoutNestingRecursive(DummyNode& node) const
 	}
 
 	node.size.x = margins.left + width + margins.right;
-	node.size.y = margins.top + y + height + margins.bottom;
+	node.size.y = margins.top + margins.charHeight + y + height + margins.bottom;
 
 	for (DummyNode& subNode : node.subNodes)
 	{

src/lib/component/controller/RefreshController.cpp

@@ -1,5 +1,7 @@
 #include "component/controller/RefreshController.h"
 
+#include "utility/messaging/type/MessageRefresh.h"
+
 #include "component/view/RefreshView.h"
 
 RefreshController::RefreshController()
@@ -16,11 +18,6 @@ void RefreshController::handleMessage(MessageAutoRefreshChanged* message)
 	m_autoRefreshEnabled = message->enabled;
 }
 
-void RefreshController::handleMessage(MessageRefresh* message)
-{
-	getView()->refreshView();
-}
-
 void RefreshController::handleMessage(MessageWindowFocus* message)
 {
 	if (m_autoRefreshEnabled)

src/lib/component/controller/RefreshController.h

@@ -4,7 +4,6 @@
 #include "component/controller/Controller.h"
 #include "utility/messaging/MessageListener.h"
 #include "utility/messaging/type/MessageAutoRefreshChanged.h"
-#include "utility/messaging/type/MessageRefresh.h"
 #include "utility/messaging/type/MessageWindowFocus.h"
 
 class RefreshView;
@@ -12,7 +11,6 @@ class RefreshView;
 class RefreshController
 	: public Controller
 	, public MessageListener<MessageAutoRefreshChanged>
-	, public MessageListener<MessageRefresh>
 	, public MessageListener<MessageWindowFocus>
 {
 public:
@@ -21,7 +19,6 @@ public:
 
 private:
 	virtual void handleMessage(MessageAutoRefreshChanged* message);
-	virtual void handleMessage(MessageRefresh* message);
 	virtual void handleMessage(MessageWindowFocus* message);
 
 	RefreshView* getView();

src/lib/component/controller/UndoRedoController.cpp

@@ -99,6 +99,34 @@ void UndoRedoController::handleMessage(MessageRedo* message)
 	}
 }
 
+void UndoRedoController::handleMessage(MessageRefresh* message)
+{
+	if (!m_lastCommand.message)
+	{
+		return;
+	}
+
+	if (m_lastCommand.order > 0)
+	{
+		replayCommands(false);
+	}
+
+	std::shared_ptr<MessageBase> msg = m_lastCommand.message;
+
+	if (m_undo.size())
+	{
+		m_lastCommand = m_undo.back();
+		m_undo.pop_back();
+	}
+	else
+	{
+		m_lastCommand.message.reset();
+	}
+
+	msg->undoRedoType = MessageBase::UNDOTYPE_REDO;
+	msg->dispatch();
+}
+
 void UndoRedoController::handleMessage(MessageSearch* message)
 {
 	if (m_lastCommand.message && m_lastCommand.message->getType() == message->getType() &&
@@ -112,6 +140,11 @@ void UndoRedoController::handleMessage(MessageSearch* message)
 }
 
 void UndoRedoController::handleMessage(MessageUndo* message)
+{
+	replayCommands(true);
+}
+
+void UndoRedoController::replayCommands(bool removeLast)
 {
 	if (!m_undo.empty())
 	{
@@ -131,8 +164,17 @@ void UndoRedoController::handleMessage(MessageUndo* message)
 		}
 
 		m = m_undo.back().message;
-		m_undo.pop_back();
-		m->undoRedoType = MessageBase::UNDOTYPE_UNDO;
+
+		if (removeLast)
+		{
+			m_undo.pop_back();
+			m->undoRedoType = MessageBase::UNDOTYPE_UNDO;
+		}
+		else
+		{
+			m->undoRedoType = MessageBase::UNDOTYPE_IGNORE;
+		}
+
 		m->dispatch();
 	}
 }

src/lib/component/controller/UndoRedoController.h

@@ -14,6 +14,7 @@
 #include "utility/messaging/type/MessageLoadProject.h"
 #include "utility/messaging/type/MessageLoadSource.h"
 #include "utility/messaging/type/MessageRedo.h"
+#include "utility/messaging/type/MessageRefresh.h"
 #include "utility/messaging/type/MessageSearch.h"
 #include "utility/messaging/type/MessageUndo.h"
 
@@ -32,6 +33,7 @@ class UndoRedoController
 	, public MessageListener<MessageLoadProject>
 	, public MessageListener<MessageLoadSource>
 	, public MessageListener<MessageRedo>
+	, public MessageListener<MessageRefresh>
 	, public MessageListener<MessageSearch>
 	, public MessageListener<MessageUndo>
 {
@@ -59,9 +61,12 @@ private:
 	virtual void handleMessage(MessageLoadProject* message);
 	virtual void handleMessage(MessageLoadSource* message);
 	virtual void handleMessage(MessageRedo* message);
+	virtual void handleMessage(MessageRefresh* message);
 	virtual void handleMessage(MessageSearch* message);
 	virtual void handleMessage(MessageUndo* message);
 
+	void replayCommands(bool removeLast);
+
 	void processCommand(const Command& command);
 	void processNormalCommand(const Command& command);
 	void processRedoCommand(const Command& command);

src/lib/component/view/GraphViewStyle.cpp

@@ -14,6 +14,7 @@ GraphViewStyle::NodeMargins::NodeMargins()
 	, spacingY(0)
 	, minWidth(0)
 	, charWidth(0.0f)
+	, charHeight(0.0f)
 {
 }
 
@@ -56,6 +57,15 @@ void GraphViewStyle::setImpl(std::shared_ptr<GraphViewStyleImpl> impl)
 	s_impl = impl;
 }
 
+void GraphViewStyle::loadStyleSettings()
+{
+	s_fontSize = ApplicationSettings::getInstance()->getFontSize();
+	s_fontName = ApplicationSettings::getInstance()->getFontName();
+
+	s_charWidths.clear();
+	s_charHeights.clear();
+}
+
 float GraphViewStyle::getCharWidthForNodeType(Node::NodeType type)
 {
 	std::map<Node::NodeType, float>::const_iterator it = s_charWidths.find(type);
@@ -70,13 +80,27 @@ float GraphViewStyle::getCharWidthForNodeType(Node::NodeType type)
 	return charWidth;
 }
 
+float GraphViewStyle::getCharHeightForNodeType(Node::NodeType type)
+{
+	std::map<Node::NodeType, float>::const_iterator it = s_charHeights.find(type);
+
+	if (it != s_charHeights.end())
+	{
+		return it->second;
+	}
+
+	float charHeight = getImpl()->getCharHeightForNodeType(type);
+	s_charHeights.emplace(type, charHeight);
+	return charHeight;
+}
+
 size_t GraphViewStyle::getFontSizeForNodeType(Node::NodeType type)
 {
 	switch (type)
 	{
 	case Node::NODE_UNDEFINED:
 	case Node::NODE_NAMESPACE:
-		return 12;
+		return s_fontSize - 2;
 
 	case Node::NODE_UNDEFINED_TYPE:
 	case Node::NODE_STRUCT:
@@ -85,7 +109,7 @@ size_t GraphViewStyle::getFontSizeForNodeType(Node::NodeType type)
 	case Node::NODE_TYPEDEF:
 	case Node::NODE_TEMPLATE_PARAMETER_TYPE:
 	case Node::NODE_FILE:
-		return 14;
+		return s_fontSize;
 
 	case Node::NODE_UNDEFINED_FUNCTION:
 	case Node::NODE_UNDEFINED_VARIABLE:
@@ -94,23 +118,23 @@ size_t GraphViewStyle::getFontSizeForNodeType(Node::NodeType type)
 	case Node::NODE_GLOBAL_VARIABLE:
 	case Node::NODE_FIELD:
 	case Node::NODE_ENUM_CONSTANT:
-		return 11;
+		return s_fontSize - 3;
 	}
 }
 
 size_t GraphViewStyle::getFontSizeOfAccessNode()
 {
-	return 11;
+	return s_fontSize - 3;
 }
 
 size_t GraphViewStyle::getFontSizeOfExpandToggleNode()
 {
-	return 9;
+	return s_fontSize - 5;
 }
 
 std::string GraphViewStyle::getFontNameForNodeType(Node::NodeType type)
 {
-	return "Source Code Pro";
+	return s_fontName;
 }
 
 std::string GraphViewStyle::getFontNameOfAccessNode()
@@ -134,7 +158,7 @@ GraphViewStyle::NodeMargins GraphViewStyle::getMarginsForNodeType(Node::NodeType
 	case Node::NODE_UNDEFINED:
 	case Node::NODE_NAMESPACE:
 		margins.left = margins.right = 15;
-		margins.top = 28;
+		margins.top = 10;
 		margins.bottom = 15;
 		break;
 
@@ -148,33 +172,30 @@ GraphViewStyle::NodeMargins GraphViewStyle::getMarginsForNodeType(Node::NodeType
 		if (hasChildren)
 		{
 			margins.left = margins.right = 10;
-			margins.top = 33;
+			margins.top = 15;
 			margins.bottom = 10;
 		}
 		else
 		{
 			margins.left = margins.right = 8;
-			margins.top = margins.bottom = 17;
+			margins.top = margins.bottom = 8;
 		}
 		break;
 
 	case Node::NODE_UNDEFINED_FUNCTION:
 	case Node::NODE_FUNCTION:
 	case Node::NODE_METHOD:
-		margins.left = margins.right = 5;
-		margins.top = margins.bottom = 10;
-		break;
-
 	case Node::NODE_UNDEFINED_VARIABLE:
 	case Node::NODE_GLOBAL_VARIABLE:
 	case Node::NODE_FIELD:
 	case Node::NODE_ENUM_CONSTANT:
 		margins.left = margins.right = 5;
-		margins.top = margins.bottom = 10;
+		margins.top = margins.bottom = 3;
 		break;
 	}
 
 	margins.charWidth = getCharWidthForNodeType(type);
+	margins.charHeight = getCharHeightForNodeType(type);
 
 	return margins;
 }
@@ -211,8 +232,8 @@ GraphViewStyle::NodeMargins GraphViewStyle::getMarginsOfExpandToggleNode()
 {
 	NodeMargins margins;
 
-	margins.left = margins.right = margins.top = margins.bottom = 11;
-	margins.minWidth = 0;
+	margins.left = margins.right = margins.top = margins.bottom = 7;
+	margins.minWidth = margins.charHeight = getFontSizeOfExpandToggleNode();
 
 	return margins;
 }
@@ -364,7 +385,7 @@ GraphViewStyle::NodeStyle GraphViewStyle::getStyleOfExpandToggleNode()
 	style.color = "#FFFFFF";
 	style.borderColor = "#00000000";
 
-	style.cornerRadius = 12;
+	style.cornerRadius = 100;
 
 	style.fontName = getFontNameOfExpandToggleNode();
 	style.fontSize = getFontSizeOfExpandToggleNode();
@@ -466,4 +487,9 @@ size_t GraphViewStyle::s_gridCellSize = 5;
 size_t GraphViewStyle::s_gridCellPadding = 10;
 
 std::map<Node::NodeType, float> GraphViewStyle::s_charWidths;
+std::map<Node::NodeType, float> GraphViewStyle::s_charHeights;
+
 std::shared_ptr<GraphViewStyleImpl> GraphViewStyle::s_impl;
+
+int GraphViewStyle::s_fontSize;
+std::string GraphViewStyle::s_fontName;

src/lib/component/view/GraphViewStyle.h

@@ -29,7 +29,9 @@ public:
 		int spacingY;
 
 		int minWidth;
+
 		float charWidth;
+		float charHeight;
 	};
 
 	struct NodeStyle
@@ -81,7 +83,10 @@ public:
 	static std::shared_ptr<GraphViewStyleImpl> getImpl();
 	static void setImpl(std::shared_ptr<GraphViewStyleImpl> impl);
 
+	static void loadStyleSettings();
+
 	static float getCharWidthForNodeType(Node::NodeType type);
+	static float getCharHeightForNodeType(Node::NodeType type);
 
 	static size_t getFontSizeForNodeType(Node::NodeType type);
 	static size_t getFontSizeOfAccessNode();
@@ -110,7 +115,12 @@ public:
 
 private:
 	static std::map<Node::NodeType, float> s_charWidths;
+	static std::map<Node::NodeType, float> s_charHeights;
+
 	static std::shared_ptr<GraphViewStyleImpl> s_impl;
+
+	static int s_fontSize;
+	static std::string s_fontName;
 };
 
 #endif // GRAPH_VIEW_STYLE_H

src/lib/component/view/GraphViewStyleImpl.h

@@ -7,6 +7,7 @@ class GraphViewStyleImpl
 {
 public:
 	virtual float getCharWidthForNodeType(Node::NodeType type) = 0;
+	virtual float getCharHeightForNodeType(Node::NodeType type) = 0;
 };
 
 #endif // GRAPH_VIEW_STYLE_IMPL_H