bugfixed: ImNodes example

#16

examples/glfw_opengl3_imnodes/imgui.ini

@@ -4,12 +4,12 @@ Size=400,400
 Collapsed=0
 
 [Window][Dear ImGui Demo]
-Pos=647,14
+Pos=659,12
 Size=550,812
 Collapsed=0
 
 [Window][Nim: Dear ImGui test with Futhark]
-Pos=39,392
+Pos=14,400
 Size=414,296
 Collapsed=0
 
@@ -128,8 +128,8 @@ Size=403,232
 Collapsed=0
 
 [Window][Save & load example]
-Pos=35,15
-Size=578,370
+Pos=16,10
+Size=639,383
 Collapsed=0
 
 [Table][0xD0F0C6E3,2]

examples/glfw_opengl3_imnodes/imnodeDemo.nim

@@ -111,7 +111,6 @@ proc save*(this: var SaveLoadEditor) =
   imnodes_SaveCurrentEditorStateToIniFile("save_load.ini");
   #// Dump our editor state as bytes into a file
   var f = open("save_load.bytes", fmWrite)
-  defer: f.close
   var fout = newFileStream(f)
   defer: fout.close()
   #// copy the node vector to file
@@ -138,27 +137,31 @@ proc load*(this: var SaveLoadEditor) =
   except IOError:
     #echo "save_load.bytes: not found !"
     return
-  defer: f.close
   var fin = newFileStream(f)
   defer: fin.close()
   #// copy nodes into memory
-  this.nodes.newSeq(fin.readInt32()) # this.nodes.resize(num_nodes)
+  if sizeof(int) == 4:                 # Select cpu 64bit or 32bit
+    this.nodes.newSeq(fin.readInt32()) # this.nodes.resize(num_nodes)
+  else:
+    this.nodes.newSeq(fin.readInt64()) # this.nodes.resize(num_nodes)
   for nd in this.nodes.mitems:
     fin.read(nd)
   #// copy links into memory
-  this.links.newSeq(fin.readInt32()) #links_.resize(num_links)
+  if sizeof(int) == 4:                 # Select cpu 64bit or 32bit
+    this.links.newSeq(fin.readInt32()) # links_.resize(num_links)
+  else:
+    this.links.newSeq(fin.readInt64()) # links_.resize(num_links)
   for nd in this.links.mitems:
     fin.read(nd)
   #// copy current_id into memory
-  this.current_id = fin.readInt32()
+  this.current_id = fin.readInt32() # current_id: cint is int32
 
 #----------------------
 # NodeEditorInitialize
 #----------------------
 var obj: SaveLoadEditor
 proc NodeEditorInitialize*() =
-  # TODO ?
-  #imNodes_GetIO().LinkDetachWithModifierClick.Modifier[] = igGetIO().KeyCtrl
+  imNodes_GetIO().LinkDetachWithModifierClick.Modifier = getIOKeyCtrlPtr()
   imNodes_PushAttributeFlag(ImNodesAttributeFlags_EnableLinkDetachWithDragClick.ImNodesAttributeFlags)
   obj.load()
 

examples/glfw_opengl3_imnodes/save_load.ini

@@ -1,2 +1,11 @@
 [editor]
 panning=0,0
+
+[node.1]
+origin=18,7
+
+[node.2]
+origin=235,92
+
+[node.4]
+origin=429,180