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PHP - Manual: UI\Area

2024-11-13

UI\Area::onDraw »

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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.

类摘要

class UI\Area extends UI\Control {

/* Constants */

const int Ctrl;

const int Alt;

const int Shift;

const int Super;

const int Down;

const int Up;

/* 方法 */

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

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

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

public redraw()

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

public setSize(UI\Size $size)

/* 继承的方法 */

public UI\Control::destroy()

public UI\Control::disable()

public UI\Control::enable()

public UI\Control::getParent(): UI\Control

public UI\Control::getTopLevel(): int

public UI\Control::hide()

public UI\Control::isEnabled(): bool

public UI\Control::isVisible(): bool

public UI\Control::setParent(UI\Control $parent)

public UI\Control::show()

}

预定义常量

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

目录

UI\Area::onDraw — Draw Callback
UI\Area::onKey — Key Callback
UI\Area::onMouse — Mouse Callback
UI\Area::redraw — Redraw Area
UI\Area::scrollTo — Area Scroll
UI\Area::setSize — Set Size

User Contributed Notes

There are no user contributed notes for this page.

官方地址：https://www.php.net/manual/en/class.ui-area.php

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