CarbonListView + column sorting partial support + column moving + windows-like mouse handling at for ListView's header

git-svn-id: trunk@19910 -

lcl/interfaces/carbon/carbondef.pp

@@ -87,6 +87,7 @@ type
     procedure ControlAdded; dynamic;
     function FilterKeyPress(SysKey: Boolean; const Char: TUTF8Char): Boolean; dynamic;
     procedure ProcessKeyEvent(const msg: TLMKey; var Result: OSStatus); virtual;
+    function NeedDeliverMouseEvent(Msg: Integer; const AMessage): Boolean; virtual;
   public
     constructor Create(const AObject: TWinControl; const AParams: TCreateParams);
     destructor Destroy; override;
@@ -614,6 +615,11 @@ procedure TCarbonWidget.ProcessKeyEvent(const msg: TLMKey; var Result: OSStatus)
 begin
 end;
 
+function TCarbonWidget.NeedDeliverMouseEvent(Msg: Integer; const AMessage): Boolean;
+begin
+  Result := true;
+end;
+
 {------------------------------------------------------------------------------
   Method:  TCarbonWidget.Create
   Params:  AObject - LCL conrol

lcl/interfaces/carbon/carbonlistviews.pp

@@ -211,6 +211,8 @@ type
     procedure UpdateColumnView; override;
 
     procedure ClearIconCache;
+
+    function NeedDeliverMouseEvent(Msg: Integer; const AMessage): Boolean; override;
   end;
   
   { TCarbonListBox }
@@ -404,7 +406,9 @@ function TCarbonListColumn.GetHeaderPropertyFlags: Integer;
 begin
   Result := kDataBrowserPropertyIsMutable or
             kDataBrowserListViewSelectionColumn or
-            kDataBrowserListViewTypeSelectColumn;
+            kDataBrowserListViewTypeSelectColumn or
+            kDataBrowserListViewSortableColumn or
+            kDataBrowserListViewMovableColumn;
 end;
 
 constructor TCarbonListColumn.Create(AOwner: TCarbonDataBrowser;
@@ -1601,6 +1605,38 @@ begin
   FIcons.Clear;
 end;
 
+function TCarbonListView.NeedDeliverMouseEvent(Msg: Integer; const AMessage): Boolean;
+var
+  h   : UInt16;
+  y   : Integer;
+type
+  PLMMouse = ^TLMMouse;
+  PLMMouseMove = ^TLMMouseMove;
+
+// for some unkown reason, HIViewConvertPoint does return inaccurate x,y position for ListView
+// (because of focus ring?)
+const
+  OfsY = -2;
+begin
+  if Assigned(LCLObject) and (TListView(LCLObject).Columns.Count > 0) and
+    (TListView(LCLObject).ViewStyle = vsReport) then
+  begin
+    case Msg of
+      LM_LBUTTONDOWN..LM_MBUTTONDBLCLK: y := PLMMouse(@AMessage)^.YPos;
+      LM_MOUSEMOVE: y := PLMMouseMove(@AMessage)^.YPos ;
+      LM_MOUSEWHEEL: y := PLMMouseEvent(@AMessage)^.Y;
+    else
+      Result := inherited NeedDeliverMouseEvent(msg, AMessage);
+      Exit;
+    end;
+    GetDataBrowserListViewHeaderBtnHeight(Content, h);
+    inc(y, OfsY);
+    Result := y > h;
+  end
+  else
+    Result := inherited NeedDeliverMouseEvent(msg, AMessage);
+end;
+
 { TCarbonListBox }
 
 procedure TCarbonListBox.CreateWidget(const AParams: TCreateParams);

lcl/interfaces/carbon/carbonprivatecommon.inc

@@ -173,10 +173,14 @@ begin
     Msg.XPos := P.X;
     Msg.YPos := P.Y;
     Msg.Keys := GetCarbonMsgKeyState;
+
+    if Widget.NeedDeliverMouseEvent(Msg.Msg, Msg) then
+    begin
       NotifyApplicationUserInput(Msg.Msg);
       DeliverMessage(Widget.LCLObject, Msg);
     end;
   end;
+end;
 
 {------------------------------------------------------------------------------
   Name: CarbonCommon_Track
@@ -208,9 +212,12 @@ begin
   if PostponedDown then
   begin
     PostponedDown := False;
+    if AWidget.NeedDeliverMouseEvent(PostponedDownMsg.Msg, PostponedDownMsg) then
+    begin
       NotifyApplicationUserInput(PostponedDownMsg.Msg);
       DeliverMessage(AWidget.LCLObject, PostponedDownMsg);
     end;
+  end;
 
   MouseButton := GetCarbonMouseButton(AEvent);
 
@@ -262,11 +269,14 @@ begin
     end;
   end;
 
+  if AWidget.NeedDeliverMouseEvent(Msg.Msg, Msg) then
+  begin
     DeliverMessage(AWidget.LCLObject, Msg);
   
     NotifyApplicationUserInput(Msg.Msg);
     CarbonWidgetSet.SetCaptureWidget(0); // capture is released
   end;
+end;
 
 {------------------------------------------------------------------------------
   Name: CarbonCommon_CursorChange

lcl/interfaces/carbon/carbonprivatewindow.inc

@@ -81,7 +81,7 @@ const
       SName, SGetEvent, 'kEventParamClickCount') then Exit;
 
     Result := ClickCount;
-    //debugln('GetClickCount ClickCount=',dbgs(ClickCount));
+    {debugln('GetClickCount ClickCount=',dbgs(ClickCount));}
   end;
 
   function GetMousePoint: TPoint;
@@ -143,7 +143,7 @@ const
     MousePoint := GetMousePoint;
 
     if (ClickCount < Low(MSGKIND)) or (ClickCount > High(MSGKIND)) then
-      ClickCount := 1;
+      ClickCount := (ClickCount mod High(MSGKIND))+1;
     
     if (MouseButton < Low(MSGKIND[1])) or (MouseButton > High(MSGKIND[1])) then Exit;
     Msg^.Msg := MSGKIND[ClickCount, MouseButton];
@@ -296,6 +296,7 @@ begin
   end
   else
   begin
+    if Widget.NeedDeliverMouseEvent(Msg.Message.Msg, Msg) then begin
       // Msg is set in the Appropriate HandleMousexxx procedure
       NotifyApplicationUserInput(Msg.Message.Msg);
       if DeliverMessage(Widget.LCLObject, Msg) = 0 then
@@ -304,6 +305,9 @@ begin
       end
       else  // the LCL does not want the event propagated
         Result := noErr;
+    end
+    else
+      Result := CallNextEventHandler(ANextHandler, AEvent);
   end;
 
   // interactive design