some graphics adjustments

Author: d3cod3

src/core/imgui_helpers.h

@@ -176,7 +176,7 @@ static void ObjectInfo(const char* desc, const char* url, float retinaScale=1.0f
     ImGui::Spacing();
     ImGui::Separator();
     ImGui::Spacing();
-    ImGui::InvisibleButton("empty",ImVec2(160*retinaScale,1));  // fix widget width
+    ImGui::InvisibleButton("empty",ImVec2(224*retinaScale,1));  // fix widget width
     if (ImGui::CollapsingHeader("INFO", ImGuiTreeNodeFlags_None)){
         ImGui::TextWrapped("%s",desc);
         ImGui::Spacing();

src/core/imgui_node_canvas.cpp

@@ -388,19 +388,11 @@ bool ImGuiEx::NodeCanvas::BeginNode( int nId, const char* _id, std::string name,
         }
 
         // Draw HeaderBar BG
-        if(nId == activeNode){
-            nodeDrawList->AddRectFilled(
-                        curNodeData.outerContentBox.Min,
-                        curNodeData.outerContentBox.Min+ImVec2(curNodeData.outerContentBox.GetSize().x, IMGUI_EX_NODE_HEADER_HEIGHT*scaleFactor),
-                        IM_COL32(90,90,90,200)
-                        );
-        }else{
-            nodeDrawList->AddRectFilled(
-                        curNodeData.outerContentBox.Min,
-                        curNodeData.outerContentBox.Min+ImVec2(curNodeData.outerContentBox.GetSize().x, IMGUI_EX_NODE_HEADER_HEIGHT*scaleFactor),
-                        ImGui::GetColorU32(ImGuiCol_Header)
-                        );
-        }
+        nodeDrawList->AddRectFilled(
+                    curNodeData.outerContentBox.Min,
+                    curNodeData.outerContentBox.Min+ImVec2(curNodeData.outerContentBox.GetSize().x, IMGUI_EX_NODE_HEADER_HEIGHT*scaleFactor),
+                    ImGui::GetColorU32(ImGuiCol_Header)
+                    );
 
         // Draw footer
         nodeDrawList->AddRectFilled(
@@ -414,7 +406,11 @@ bool ImGuiEx::NodeCanvas::BeginNode( int nId, const char* _id, std::string name,
 
         // Header info
         ImGui::SetCursorScreenPos( curNodeData.outerContentBox.Min+ImVec2(5, ((IMGUI_EX_NODE_HEADER_HEIGHT*scaleFactor)-ImGui::CalcTextSize("").y)*.5f) );//canvasView.translation+pos+ImVec2(5,4));
-        ImGui::PushStyleColor(ImGuiCol_Text, IM_COL32(255,255,255,255));
+        if(nId == activeNode){
+            ImGui::PushStyleColor(ImGuiCol_Text, IM_COL32(255,255,255,255));
+        }else{
+            ImGui::PushStyleColor(ImGuiCol_Text, IM_COL32(0,0,0,255));
+        }
         ImGui::Text("%s", name.c_str()); // title
         ImGui::PopStyleColor();