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Area

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An Area represents a canvas which can be used to draw, and respond to mouse and key events.

An Area represents a canvas which can be used to draw, and respond to mouse and key events.

class UI\Area { }

UI\Area::Ctrl: Shall be set in the modifiers passed to key and mouse events when the CTRL key is active
UI\Area::Alt: Shall be set in the modifiers passed to key and mouse events when the ALT key is active
UI\Area::Shift: Shall be set in the modifiers passed to key and mouse events when the SHIFT key is active
UI\Area::Super
UI\Area::Down: Shall be set in the modifiers passed to key and mouse events
UI\Area::Up: Shall be set in the modifiers passed to key and mouse events

Area

Source: reference/ui/ui.area.xml · from the official PHP manual (php/doc-en)