PixelPaint: Use a StackWidget in ToolPropertiesWidget

Previously changing tools while simultaneously using a widget like a
slider would result in a event_dispatch() failure.
Instead use a StackWidget to set the active widget.

1 files changed, 3 insertions, 0 deletions

diff --git a/Userland/Applications/PixelPaint/ToolPropertiesWidget.h b/Userland/Applications/PixelPaint/ToolPropertiesWidget.h
index 5f2a5bf2a1..925d08c5ef 100644
--- a/Userland/Applications/PixelPaint/ToolPropertiesWidget.h
+++ b/Userland/Applications/PixelPaint/ToolPropertiesWidget.h
@@ -8,6 +8,7 @@
 
 #include <AK/RefPtr.h>
 #include <LibGUI/Forward.h>
+#include <LibGUI/StackWidget.h>
 #include <LibGUI/Widget.h>
 
 namespace PixelPaint {
@@ -28,6 +29,8 @@ private:
     RefPtr<GUI::GroupBox> m_group_box;
 
     Tool* m_active_tool { nullptr };
+    RefPtr<GUI::StackWidget> m_tool_widget_stack;
+    RefPtr<GUI::Widget> m_blank_widget;
     GUI::Widget* m_active_tool_widget { nullptr };
 };