From f7215ec61b1c668e1edc577b12acf12a0f5b6122 Mon Sep 17 00:00:00 2001
From: zeljan1 <zeljko@holobit.hr>
Date: Tue, 14 Jan 2025 09:55:14 +0100
Subject: [PATCH] Gtk3: fixed GetDC()

---
 lcl/interfaces/gtk3/gtk3winapi.inc | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/lcl/interfaces/gtk3/gtk3winapi.inc b/lcl/interfaces/gtk3/gtk3winapi.inc
index 536021bef1..ce8122af43 100644
--- a/lcl/interfaces/gtk3/gtk3winapi.inc
+++ b/lcl/interfaces/gtk3/gtk3winapi.inc
@@ -2029,8 +2029,11 @@ begin
   begin
     Widget := TGtk3Widget(hWnd);
     Result := Widget.Context;
-    if Result = 0 then
-      Result := HDC(Gtk3DefaultContext);
+    if (Result = 0) then
+    begin
+      Result := HDC(TGtk3DeviceContext.Create(Widget.GetContainerWidget, False));
+      TGtk3DeviceContext(Result).CanRelease := True;
+    end;
   end else
     Result := HDC(Gtk3ScreenContext);
 end;
@@ -2045,14 +2048,6 @@ begin
     OriginDiff);
 end;
 
-function TGtk3WidgetSet.GetDesignerDC(WindowHandle: HWND): HDC;
-begin
-  {$IFDEF GTK3DEBUGNOTIMPLEMENTED}
-  DebugLn('WARNING: TGtk3WidgetSet.GetDesignerDC not implemented ...');
-  {$ENDIF}
-  Result:=inherited GetDesignerDC(WindowHandle);
-end;
-
 function TGtk3WidgetSet.GetDeviceCaps(DC: HDC; Index: Integer): Integer;
 var
   pscr: PGdkScreen;