diff options
| author | Pavel Perminov <packpaul@mail.ru> | 2012-09-26 19:14:19 +0000 |
|---|---|---|
| committer | Pavel Perminov <packpaul@mail.ru> | 2012-09-26 19:14:19 +0000 |
| commit | 6064bfec538038fd1e1ccf4da54fa859241f98fa (patch) | |
| tree | 818a480b08186f16382a84df47c4716c87934216 /plugins/Chess4Net/NonMainFormStayOnTopUnit.pas | |
| parent | 9f54d2d2fe173c2a426dc790e70f14a585829431 (diff) | |
Current line of development release (344 rev. truncated adjusted copy)
git-svn-id: http://svn.miranda-ng.org/main/trunk@1669 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/Chess4Net/NonMainFormStayOnTopUnit.pas')
| -rw-r--r-- | plugins/Chess4Net/NonMainFormStayOnTopUnit.pas | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/plugins/Chess4Net/NonMainFormStayOnTopUnit.pas b/plugins/Chess4Net/NonMainFormStayOnTopUnit.pas new file mode 100644 index 0000000000..47ded58c89 --- /dev/null +++ b/plugins/Chess4Net/NonMainFormStayOnTopUnit.pas @@ -0,0 +1,74 @@ +////////////////////////////////////////////////////////////////////////////////
+// All code below is exclusively owned by author of Chess4Net - Pavel Perminov
+// (packpaul@mail.ru, packpaul1@gmail.com).
+// Any changes, modifications, borrowing and adaptation are a subject for
+// explicit permition from the owner.
+
+unit NonMainFormStayOnTopUnit;
+
+// Inclusion of this unit enables all non-main forms with FormStyle = fsStayOnTop
+// to stay on top even if application is deactivated
+
+interface
+
+implementation
+
+uses
+ Forms, SysUtils, Classes, Messages, Windows;
+
+type
+ TApplicationObjSubclasser = class
+ private
+ m_NewObj, m_OldObj: pointer;
+ procedure FWndProc(var Message: TMessage);
+ public
+ constructor Create;
+ destructor Destroy; override;
+ end;
+
+var
+ g_ApplicationObjSubclasserInstance: TApplicationObjSubclasser = nil;
+
+////////////////////////////////////////////////////////////////////////////////
+// TApplicationObjSubclasser
+
+constructor TApplicationObjSubclasser.Create;
+begin
+ inherited Create;
+
+ m_NewObj := Classes.MakeObjectInstance(FWndProc);
+ m_OldObj := Pointer (SetWindowLong(Application.Handle, GWL_WNDPROC,
+ Cardinal(m_NewObj)));
+end;
+
+
+destructor TApplicationObjSubclasser.Destroy;
+begin
+ SetWindowLong(Application.Handle, GWL_WNDPROC, Cardinal(m_OldObj));
+ Classes.FreeObjectInstance(m_NewObj);
+
+ inherited;
+end;
+
+
+procedure TApplicationObjSubclasser.FWndProc(var Message: TMessage);
+begin
+ Message.Result := CallWindowProc (m_OldObj, Application.Handle,
+ Message.Msg, Message.wParam, Message.lParam);
+
+ case Message.Msg of
+ WM_ACTIVATEAPP:
+ begin
+ if (not TWMActivateApp(Message).Active) then
+ Application.RestoreTopMosts;
+ end;
+ end;
+end;
+
+initialization
+ g_ApplicationObjSubclasserInstance := TApplicationObjSubclasser.Create;
+
+finalization
+ FreeAndNil(g_ApplicationObjSubclasserInstance);
+
+end.
\ No newline at end of file |