1 files changed, 101 insertions, 0 deletions
diff --git a/Runtime/IMGUI/IMGUIUtils.cpp b/Runtime/IMGUI/IMGUIUtils.cpp
new file mode 100644
index 0000000..2ce0596
--- /dev/null
+++ b/Runtime/IMGUI/IMGUIUtils.cpp
@@ -0,0 +1,101 @@
+#include "UnityPrefix.h"
+#include "Runtime/IMGUI/IMGUIUtils.h"
+#include "Runtime/IMGUI/TextMeshGenerator2.h"
+
+const float s_TabWidth = 16;
+extern float s_GUIStyleIconSizeX;
+
+namespace IMGUI
+{
+	InputEvent::Type GetEventType (const GUIState &state, const InputEvent &event)
+	{
+		InputEvent::Type type = event.type;
+		if (!state.m_OnGUIState.m_Enabled)
+		{
+			if (type == InputEvent::kRepaint || type == InputEvent::kLayout || type == InputEvent::kUsed)
+				return type;
+			return InputEvent::kIgnore;
+		}
+		
+		if (state.m_CanvasGUIState.m_GUIClipState.GetEnabled())
+			return type;
+		
+		if (type == InputEvent::kMouseDown || type == InputEvent::kMouseUp || type == InputEvent::kDragPerform || type == InputEvent::kDragUpdated)
+			return InputEvent::kIgnore;
+		
+		return type;
+	}
+	
+	
+	InputEvent::Type GetEventTypeForControl (const GUIState &state, const InputEvent &event, int controlID)
+	{
+		InputEvent::Type m_Type = event.type;
+	
+		// if we have no hot control, just return the usual
+		if (GetHotControl(state) == 0)
+			return GetEventType (state, event);
+		switch (m_Type)
+		{
+			// Mouse events follow GUIUtility.hotControl
+			case InputEvent::kMouseDown:
+			case InputEvent::kMouseUp:
+			case InputEvent::kMouseMove:
+			case InputEvent::kMouseDrag:
+				if (!GetEnabled(state))
+					return InputEvent::kIgnore;
+				if (GetGUIClipEnabled(state) || HasMouseControl (state, controlID))
+					return m_Type;
+				return InputEvent::kIgnore;
+			
+			// Key events follow keyboard control
+			case InputEvent::kKeyDown:
+			case InputEvent::kKeyUp:
+			case InputEvent::kScrollWheel: // Not sure about scrollwheel. For now we map it to behave like keyboard events.
+
+				if (!GetEnabled(state))
+					return InputEvent::kIgnore;
+				if (GetGUIClipEnabled(state) || HasMouseControl (state, controlID) || GetKeyboardControl(state) == controlID)
+					return m_Type;
+				return InputEvent::kIgnore;
+				
+			// Repaint, Layout, Used, DragUpdated, DragPerform, Ignore
+			default:
+				return m_Type;
+		}
+	}
+
+	
+	TextMeshGenerator2* GetGenerator (const Rectf &contentRect, const GUIContent &content, Font& font, TextAnchor alignment, bool wordWrap, bool richText, ColorRGBA32 color, int fontSize, int fontStyle, ImagePosition imagePosition)
+	{	
+		if (!wordWrap)
+			return &TextMeshGenerator2::Get (content.m_Text, &font, alignment, kAuto, 0.0f, s_TabWidth, 1.0f, richText, true, color, fontSize, fontStyle);
+		
+		Texture *image = content.m_Image;	
+		float textWidth = contentRect.Width();
+		switch (imagePosition) {
+			case kImageLeft:
+				// Todo: Subtract width of the icon
+				if (image != NULL)
+				{
+					Vector2f imageSize = Vector2f (image->GetDataWidth(), image->GetDataHeight());
+					
+					//float imageScale = clamp (min (contentRect.Width() / imageSize.x, contentRect.Height() / imageSize.y), 0.0f, 1.0f);
+					//contentRect.width -=  Roundf (imageSize.x * imageScale);
+					
+					if (s_GUIStyleIconSizeX == 0)
+						textWidth -= Roundf (imageSize.x * clamp (std::min (contentRect.Width() / imageSize.x, contentRect.Height() / imageSize.y), 0.0f, 1.0f));
+					else
+						textWidth -= s_GUIStyleIconSizeX;
+				}
+				break;
+			case kImageOnly:
+				return NULL;
+			case kImageAbove:
+			case kTextOnly:
+				// These two require no special handling
+				break;
+		}
+		
+		return &TextMeshGenerator2::Get (content.m_Text, &font, alignment, kAuto, textWidth, s_TabWidth, 1.0f, richText, true, color, fontSize, fontStyle);
+	}
+}	// namespace IMGUI