Added index to the rowCount callback

DOtherSide/DOtherSide/BaseQAbstractListModel.cpp

@@ -9,7 +9,9 @@ BaseQAbstractListModel::BaseQAbstractListModel(void* modelObject,
 
 int BaseQAbstractListModel::rowCount(const QModelIndex& index) const 
 {
-  return m_rowCountCallback(m_modelObject);
+  auto newIndex = new QModelIndex();
+  *newIndex = index;
+  return m_rowCountCallback(m_modelObject, newIndex);
 }
 
 QVariant BaseQAbstractListModel::data(const QModelIndex& index, int role) const

DOtherSide/DOtherSide/BaseQAbstractListModel.h

@@ -5,7 +5,7 @@
 /// This class act as a base class for D and Nim QAbstractListModel
 class BaseQAbstractListModel : public QAbstractListModel
 {
-  typedef int (*RowCountCallback) (void*);
+  typedef int (*RowCountCallback) (void* model, void* index);
   
  public:
   /// Constructor

DOtherSide/DOtherSide/DOtherSide.h

@@ -112,7 +112,7 @@ extern "C"
   void dos_qmodelindex_sibling(void* vptr, int row, int column, void* sibling);
   
   // QAbstractListModel
-  typedef int(*RowCountCallback)(void*);
+  typedef int(*RowCountCallback)(void* model, void* index);
   
   void dos_qabstractlistmodel_create(void** vptr,
 				     void* callbackObject,

Nim/Examples/AbstractItemModel/main.nim

@@ -7,25 +7,37 @@ type MyQAbstractListModel = ref object of QAbstractListModel
 
 proc create(self: MyQAbstractListModel) = 
   var qAbstractListModel = self.QAbstractListModel
-  qAbstractListModel.create()
+  qAbstractListModel.create
 
 proc delete(self: MyQAbstractListModel) = 
   var qAbstractListModel = self.QAbstractListModel
-  qAbstractListModel.delete()
+  qAbstractListModel.delete
 
 proc newMyQAbstractListModel(): MyQAbstractListModel =
   new(result, delete)
-  result.create()
+  result.create
   
-method rowCount(self: MyQAbstractListModel): cint =
-  return 103
+method rowCount(self: MyQAbstractListModel, index: QModelIndex): cint =
+  echo "index valid: " & $index.isValid & " row: " & $index.row & " column: " & $index.column  
+  return 3
   
 proc mainProc() =
-  var myListModel = newMyQAbstractListModel()
-  defer: myListModel.delete()
-  let rows = myListModel.rowCount
-  echo rows
+  var app = newQApplication()
+  defer: app.delete
   
+  var myListModel = newMyQAbstractListModel()
+  defer: myListModel.delete
+
+  var engine = newQQmlApplicationEngine()
+  defer: engine.delete
+
+  var variant = newQVariant(myListModel)
+  defer: variant.delete
+
+  engine.rootContext.setContextProperty("myListModel", variant)
+  engine.load("main.qml")
+  
+  app.exec()
   
 when isMainModule:
   mainProc()

Nim/Examples/AbstractItemModel/main.qml

@@ -17,7 +17,7 @@ ApplicationWindow
         {
             width: 10
             height: 10
-            color: "red"
+            color: index % 2 == 0 ? "red" : "black"
         }
     }
     

Nim/NimQml/NimQml.nim

@@ -524,6 +524,11 @@ proc create*(modelIndex: var QModelIndex) =
   dos_qmodelindex_create(modelIndex.data)
   modelIndex.deleted = false
 
+proc create*(modelIndex: var QModelIndex, rawQModelIndex: RawQModelIndex) =
+  ## Create a new QModelIndex
+  modelIndex.data = rawQModelIndex
+  modelIndex.deleted = false
+  
 proc delete*(modelIndex: QModelIndex) =
   ## Delete the given QModelIndex
   if not modelIndex.deleted:
@@ -537,6 +542,11 @@ proc newQModelIndex*(): QModelIndex =
   newWithCondFinalizer(result, delete)
   result.create()
 
+proc newQModelIndex*(rawQModelIndex: RawQModelIndex): QModelIndex =
+  ## Return a new QModelIndex given a raw index
+  newWithCondFinalizer(result, delete)
+  result.create(rawQModelIndex)
+
 proc row*(modelIndex: QModelIndex): cint =
   ## Return the index row
   dos_qmodelindex_row(modelIndex.data, result)
@@ -571,20 +581,21 @@ proc sibling*(modelIndex: QModelIndex, row: cint, column: cint): QModelIndex =
 
 
 # QAbstractListModel
-type RowCountCallback = proc(modelObject: ptr QAbstractListModelObj): cint {.cdecl.}
+type RowCountCallback = proc(modelObject: ptr QAbstractListModelObj, rawIndex: RawQModelIndex): cint {.cdecl.}
   
 proc dos_qabstractlistmodel_create(model: var RawQAbstractListModel,
                                    modelPtr: ptr QAbstractListModelObj,
                                    rowCountCallback: RowCountCallback) {.cdecl, dynlib:"libDOtherSide.so", importc.}
 proc dos_qabstractlistmodel_delete(model: RawQAbstractListModel) {.cdecl, dynlib:"libDOtherSide.so", importc.}
 
-method rowCount*(model: QAbstractListModel): cint =
+method rowCount*(model: QAbstractListModel, index: QModelIndex): cint =
   ## Return the model's row count
   return 0
 
-proc rowCountCallback(modelObject: ptr QAbstractListModelObj): cint {.cdecl, exportc.} =
+proc rowCountCallback(modelObject: ptr QAbstractListModelObj, rawIndex: RawQModelIndex): cint {.cdecl, exportc.} =
   let model = cast[QAbstractListModel](modelObject)
-  return model.rowCount
+  let index = newQModelIndex(rawIndex)
+  return model.rowCount(index)
   
 proc create*(model: var QAbstractListModel) =
   ## Create a new QAbstractListModel

Nim/NimQml/NimQmlTypes.nim

@@ -34,7 +34,7 @@ type
   QQmlContext* = distinct pointer ## A QQmlContext
 
   RawQModelIndex = distinct pointer
-  QModelIndex = ref object of RootObj ## A QModelIndex
+  QModelIndex* = ref object of RootObj ## A QModelIndex
     data: RawQModelIndex
     deleted: bool