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ThemeEditor: Make GUI initialization fallible
To do this, all GUI logic is moved into try_create() factory functions.
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4 changed files with 78 additions and 47 deletions
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@ -24,15 +24,16 @@ class MiniWidgetGallery;
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class PreviewWidget final
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: public GUI::AbstractThemePreview
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, public GUI::ColorFilterer {
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C_OBJECT(PreviewWidget);
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C_OBJECT_ABSTRACT(PreviewWidget);
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public:
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static ErrorOr<NonnullRefPtr<PreviewWidget>> try_create();
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virtual ~PreviewWidget() override = default;
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virtual void set_color_filter(OwnPtr<Gfx::ColorBlindnessFilter>) override;
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private:
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explicit PreviewWidget(Gfx::Palette const& = GUI::Application::the()->palette());
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PreviewWidget();
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virtual void paint_preview(GUI::PaintEvent&) override;
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virtual void second_paint_event(GUI::PaintEvent&) override;
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