| // Copyright 2022 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_QT_QT_UI_H_ |
| #define UI_QT_QT_UI_H_ |
| |
| #include <memory> |
| |
| #include "base/component_export.h" |
| #include "base/memory/weak_ptr.h" |
| #include "printing/buildflags/buildflags.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| #include "ui/color/color_provider.h" |
| #include "ui/color/color_provider_key.h" |
| #include "ui/gfx/font_render_params.h" |
| #include "ui/linux/linux_ui.h" |
| #include "ui/qt/qt_interface.h" |
| |
| #if BUILDFLAG(ENABLE_PRINTING) |
| #include "printing/printing_context_linux.h" // nogncheck |
| #endif |
| |
| namespace qt { |
| |
| class QtNativeTheme; |
| |
| // Interface to QT desktop features. |
| class QtUi : public ui::LinuxUiAndTheme, QtInterface::Delegate { |
| public: |
| explicit QtUi(ui::LinuxUi* fallback_linux_ui); |
| |
| QtUi(const QtUi&) = delete; |
| QtUi& operator=(const QtUi&) = delete; |
| |
| ~QtUi() override; |
| |
| // ui::LinuxUi: |
| bool Initialize() override; |
| base::TimeDelta GetCursorBlinkInterval() const override; |
| gfx::Image GetIconForContentType(const std::string& content_type, |
| int size, |
| float scale) const override; |
| base::flat_map<std::string, std::string> GetKeyboardLayoutMap() override; |
| #if BUILDFLAG(ENABLE_PRINTING) |
| printing::PrintDialogLinuxInterface* CreatePrintDialog( |
| printing::PrintingContextLinux* context) override; |
| gfx::Size GetPdfPaperSize(printing::PrintingContextLinux* context) override; |
| #endif |
| ui::SelectFileDialog* CreateSelectFileDialog( |
| void* listener, |
| std::unique_ptr<ui::SelectFilePolicy> policy) const override; |
| std::string GetCursorThemeName() override; |
| int GetCursorThemeSize() override; |
| std::unique_ptr<ui::LinuxInputMethodContext> CreateInputMethodContext( |
| ui::LinuxInputMethodContextDelegate* delegate) const override; |
| bool GetTextEditCommandsForEvent( |
| const ui::Event& event, |
| int text_flags, |
| std::vector<ui::TextEditCommandAuraLinux>* commands) override; |
| gfx::FontRenderParams GetDefaultFontRenderParams() const override; |
| void GetDefaultFontDescription( |
| std::string* family_out, |
| int* size_pixels_out, |
| int* style_out, |
| int* weight_out, |
| gfx::FontRenderParams* params_out) const override; |
| bool AnimationsEnabled() const override; |
| void AddWindowButtonOrderObserver( |
| ui::WindowButtonOrderObserver* observer) override; |
| void RemoveWindowButtonOrderObserver( |
| ui::WindowButtonOrderObserver* observer) override; |
| WindowFrameAction GetWindowFrameAction( |
| WindowFrameActionSource source) override; |
| |
| // ui::LinuxUiTheme: |
| ui::NativeTheme* GetNativeTheme() const override; |
| bool GetColor(int id, SkColor* color, bool use_custom_frame) const override; |
| bool GetDisplayProperty(int id, int* result) const override; |
| void GetFocusRingColor(SkColor* color) const override; |
| void GetActiveSelectionBgColor(SkColor* color) const override; |
| void GetActiveSelectionFgColor(SkColor* color) const override; |
| void GetInactiveSelectionBgColor(SkColor* color) const override; |
| void GetInactiveSelectionFgColor(SkColor* color) const override; |
| bool PreferDarkTheme() const override; |
| void SetDarkTheme(bool dark) override; |
| std::unique_ptr<ui::NavButtonProvider> CreateNavButtonProvider() override; |
| ui::WindowFrameProvider* GetWindowFrameProvider(bool solid_frame) override; |
| |
| // QtInterface::Delegate: |
| void FontChanged() override; |
| void ThemeChanged() override; |
| void ScaleFactorMaybeChanged() override; |
| |
| private: |
| void AddNativeColorMixer(ui::ColorProvider* provider, |
| const ui::ColorProviderKey& key); |
| |
| void ScaleFactorMaybeChangedImpl(); |
| |
| absl::optional<SkColor> GetColor(int id, bool use_custom_frame) const; |
| |
| // TODO(https://crbug.com/1317782): This is a fallback for any unimplemented |
| // functionality in the QT backend and should eventually be removed. |
| ui::LinuxUi* const fallback_linux_ui_; |
| |
| // QT modifies argc and argv, and they must be kept alive while |
| // `shim_` is alive. |
| CmdLineArgs cmd_line_; |
| |
| int qt_version_ = 0; |
| |
| // Cached default font settings. |
| std::string font_family_; |
| int font_size_pixels_ = 0; |
| int font_size_points_ = 0; |
| gfx::Font::FontStyle font_style_ = gfx::Font::NORMAL; |
| int font_weight_; |
| gfx::FontRenderParams font_params_; |
| |
| std::unique_ptr<QtInterface> shim_; |
| |
| std::unique_ptr<QtNativeTheme> native_theme_; |
| |
| bool scale_factor_task_active_ = false; |
| |
| base::WeakPtrFactory<QtUi> weak_factory_{this}; |
| }; |
| |
| // This should be the only symbol exported from this component. |
| COMPONENT_EXPORT(QT) |
| std::unique_ptr<ui::LinuxUiAndTheme> CreateQtUi(ui::LinuxUi* fallback_linux_ui); |
| |
| } // namespace qt |
| |
| #endif // UI_QT_QT_UI_H_ |