Area

(UI 0.9.9)

简介

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

class UI\Area extends UI\Control {

/* 常量 */

const int Ctrl;

const int Alt;

const int Shift;

const int Super;

const int Down;

const int Up;

/* 方法 */

protected function onDraw(
    UI\Draw\Pen $pen,
    UI\Size $areaSize,
    UI\Point $clipPoint,
    UI\Size $clipSize
)

protected function onKey(string $key, int $ext, int $flags)

protected function onMouse(UI\Point $areaPoint, UI\Size $areaSize, int $flags)

public function redraw()

public function scrollTo(UI\Point $point, UI\Size $size)

public function setSize(UI\Size $size)

/* 继承的方法 */

public function UI\Control::hide()

public function UI\Control::show()

}

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