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LibGUI+WindowServer+Applets+Taskbar: Remove active input concepts

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and the CaptureInput mode. They are a source of unneeded complexity
in WindowServer and have proven prone to regressions, so this patch
replaces them with a simple input preemption scheme using Popups.

Popup windows now have ergonomics similar to menus: When open,
a popup preempts all mouse and key events for the entire window
stack; however, they are fragile and will close after WindowServer
swallows the first event outside them. This is similar to how combo
box windows and popups work in the classic Windows DE and has the
added benefit of letting the user click anywhere to dismiss a popup
without having to worry about unwanted interactions with other
widgets.
This commit is contained in:
thankyouverycool 2022-11-17 10:00:07 -05:00 • committed by Andreas Kling
parent 35bd79701c
commit 24d299c9c8
17 changed files with 76 additions and 191 deletions
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6
Userland/Libraries/LibGUI/Window.h
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@ -37,8 +37,8 @@ public:
bool is_modal() const { return m_window_mode != WindowMode::Modeless; }
bool is_blocking() const { return m_window_mode == WindowMode::Blocking; }
bool is_capturing_input() const { return m_window_mode == WindowMode::CaptureInput; }
bool is_popup() const { return m_window_type == WindowType::Popup; }
bool is_autocomplete() const { return m_window_type == WindowType::Autocomplete; }
bool is_fullscreen() const { return m_fullscreen; }
@ -96,7 +96,6 @@ public:
Function<void()> on_close;
Function<CloseRequestDecision()> on_close_request;
Function<void(bool is_active_input)> on_active_input_change;
Function<void(bool is_preempted)> on_input_preemption_change;
Function<void(bool is_active_window)> on_active_window_change;
@ -130,7 +129,7 @@ public:
bool is_visible() const;
bool is_active() const;
bool is_active_input() const { return m_is_active_input; }
bool is_focusable() const { return is_active() || is_popup() || is_autocomplete(); }
void show();
void hide();
@ -304,7 +303,6 @@ private:
WindowMode m_window_mode { WindowMode::Modeless };
AK::Variant<Gfx::StandardCursor, NonnullRefPtr<Gfx::Bitmap>> m_cursor { Gfx::StandardCursor::None };
AK::Variant<Gfx::StandardCursor, NonnullRefPtr<Gfx::Bitmap>> m_effective_cursor { Gfx::StandardCursor::None };
bool m_is_active_input { false };
bool m_has_alpha_channel { false };
bool m_double_buffering_enabled { true };
bool m_resizable { true };