--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+/*\r
+ *\r
+ * @author Toni Kalajainen\r
+ */\r
+package org.simantics.scenegraph.g2d.events;\r
+\r
+import java.awt.datatransfer.Transferable;\r
+import java.awt.event.InputEvent;\r
+import java.awt.geom.Point2D;\r
+\r
+/**\r
+ * TODO Remove hold time\r
+ * @see Event\r
+ * @see MouseClickEvent\r
+ * @see MouseDragBegin\r
+ * \r
+ * @author Toni Kalajainen\r
+ */\r
+public abstract class MouseEvent extends Event {\r
+\r
+ private static final long serialVersionUID = -2090477028406944454L;\r
+\r
+ public static final int LEFT_BUTTON = 1;\r
+ public static final int RIGHT_BUTTON = 2;\r
+ public static final int MIDDLE_BUTTON = 3;\r
+\r
+ /** Time for mouse press + mouse release to be interpreted as mouse click */\r
+ public static final long CLICK_TIME = 250;\r
+\r
+ public static final int LEFT_MASK = 1 << (LEFT_BUTTON - 1);\r
+ public static final int RIGHT_MASK = 1 << (RIGHT_BUTTON - 1);\r
+ public static final int MIDDLE_MASK = 1 << (MIDDLE_BUTTON - 1);\r
+ public static final int ALL_BUTTONS_MASK = LEFT_MASK | RIGHT_MASK | MIDDLE_MASK;\r
+\r
+ public static final int CTRL_MASK = InputEvent.CTRL_DOWN_MASK;\r
+ public static final int ALT_MASK = InputEvent.ALT_DOWN_MASK;\r
+ public static final int ALT_GRAPH_MASK = InputEvent.ALT_GRAPH_DOWN_MASK;\r
+ public static final int SHIFT_MASK = InputEvent.SHIFT_DOWN_MASK;\r
+ public static final int ALL_MODIFIERS_MASK = CTRL_MASK | ALT_MASK | ALT_GRAPH_MASK | SHIFT_MASK;\r
+\r
+ /**\r
+ * The identifier of the mouse of this event.\r
+ * 0 = the main mouse.\r
+ */\r
+ public final int mouseId;\r
+\r
+ /** Position in the coordinate system of the UI component */\r
+ public final Point2D controlPosition;\r
+\r
+ /** Position in the coordinate system of the screen */\r
+ public final Point2D screenPosition;\r
+\r
+ /**\r
+ * The status of mouse buttons\r
+ * @see #LEFT_MASK\r
+ * @see #MIDDLE_MASK\r
+ * @see #RIGHT_MASK\r
+ */\r
+ public final int buttons;\r
+\r
+ /**\r
+ * The state of the keyboard modifier keys at the time the event was\r
+ * generated.\r
+ * \r
+ * @see #ALT_MASK\r
+ * @see #ALT_GRAPH_MASK\r
+ * @see #CTRL_MASK\r
+ * @see #SHIFT_MASK\r
+ */\r
+ public int stateMask;\r
+\r
+ private MouseEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time);\r
+ this.mouseId = mouseId;\r
+ this.buttons = buttons;\r
+ this.controlPosition = controlPosition;\r
+ this.screenPosition = screenPosition;\r
+ this.stateMask = stateMask;\r
+ }\r
+\r
+ public boolean hasAnyButton(int mask) {\r
+ return (buttons & mask) != 0;\r
+ }\r
+\r
+ public boolean hasAllButtons(int mask) {\r
+ return (buttons & mask) == mask;\r
+ }\r
+\r
+ public boolean hasAnyModifier(int mask) {\r
+ return (stateMask & mask) != 0;\r
+ }\r
+\r
+ public boolean hasAllModifiers(int mask) {\r
+ return (stateMask & mask) == mask;\r
+ }\r
+\r
+ /**\r
+ * Returns whether or not the Shift modifier is down on this event.\r
+ */\r
+ public boolean isShiftDown() {\r
+ return (stateMask & MouseEvent.SHIFT_MASK) != 0;\r
+ }\r
+\r
+ /**\r
+ * Returns whether or not the Control modifier is down on this event.\r
+ */\r
+ public boolean isControlDown() {\r
+ return (stateMask & MouseEvent.CTRL_MASK) != 0;\r
+ }\r
+\r
+ /**\r
+ * Returns whether or not the Alt modifier is down on this event.\r
+ */\r
+ public boolean isAltDown() {\r
+ return (stateMask & MouseEvent.ALT_MASK) != 0;\r
+ }\r
+\r
+ /**\r
+ * Returns whether or not the Alt Graph modifier is down on this event.\r
+ */\r
+ public boolean isAltGraphDown() {\r
+ return (stateMask & MouseEvent.ALT_GRAPH_MASK) != 0;\r
+ }\r
+\r
+ public abstract static class MouseButtonEvent extends MouseEvent {\r
+\r
+ private static final long serialVersionUID = 3540032494506535841L;\r
+\r
+ /**\r
+ * button of this event\r
+ */\r
+ public final int button;\r
+\r
+ public MouseButtonEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ int button, Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, controlPosition,screenPosition);\r
+ this.button = button;\r
+ }\r
+ }\r
+\r
+ public static class MouseWheelMovedEvent extends MouseEvent {\r
+\r
+ private static final long serialVersionUID = -7896477913481842708L;\r
+\r
+ /**\r
+ * Constant representing scrolling by "units" (like scrolling with the\r
+ * arrow keys)\r
+ * \r
+ * @see #getScrollType\r
+ */\r
+ public static final int WHEEL_UNIT_SCROLL = 0;\r
+\r
+ /**\r
+ * Constant representing scrolling by a "block" (like scrolling\r
+ * with page-up, page-down keys)\r
+ *\r
+ * @see #getScrollType\r
+ */\r
+ public static final int WHEEL_BLOCK_SCROLL = 1;\r
+\r
+ /**\r
+ * Indicates what sort of scrolling should take place in response to this\r
+ * event, based on platform settings. Legal values are:\r
+ * <ul>\r
+ * <li> WHEEL_UNIT_SCROLL\r
+ * <li> WHEEL_BLOCK_SCROLL\r
+ * </ul>\r
+ * \r
+ * @see #getScrollType\r
+ */\r
+ public final int scrollType;\r
+\r
+ /**\r
+ * Only valid for scrollType WHEEL_UNIT_SCROLL.\r
+ * Indicates number of units that should be scrolled per\r
+ * click of mouse wheel rotation, based on platform settings.\r
+ *\r
+ * @see #getScrollAmount\r
+ * @see #getScrollType\r
+ */\r
+ public final int scrollAmount;\r
+\r
+ /**\r
+ * Indicates how far the mouse wheel was rotated.\r
+ *\r
+ * @see #getWheelRotation\r
+ */\r
+ public final int wheelRotation;\r
+\r
+ public MouseWheelMovedEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ Point2D controlPosition, Point2D screenPosition, int scrollType, int scrollAmount,\r
+ int wheelRotation) {\r
+ super(context, time, mouseId, buttons, stateMask, controlPosition,screenPosition);\r
+ this.scrollType = scrollType;\r
+ this.scrollAmount = scrollAmount;\r
+ this.wheelRotation = wheelRotation;\r
+ }\r
+\r
+ }\r
+\r
+ public static class MouseButtonPressedEvent extends MouseButtonEvent {\r
+\r
+ private static final long serialVersionUID = -4687294674299429690L;\r
+\r
+ public MouseButtonPressedEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ int button, Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, button, controlPosition,screenPosition);\r
+ }\r
+\r
+ }\r
+\r
+ public static class MouseButtonReleasedEvent extends MouseButtonEvent {\r
+\r
+ private static final long serialVersionUID = -2303672225339491858L;\r
+\r
+ /** Time in milliseconds how long the button was held down */\r
+ public final long holdTime;\r
+\r
+ public MouseButtonReleasedEvent(Object context, long time,\r
+ int mouseId, int buttons, int stateMask, int button, long holdTime,\r
+ Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, button, controlPosition, screenPosition);\r
+ this.holdTime = holdTime;\r
+ }\r
+ }\r
+\r
+ public static class MouseMovedEvent extends MouseEvent {\r
+ private static final long serialVersionUID = 1463958776335678155L;\r
+\r
+ public MouseMovedEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, controlPosition, screenPosition);\r
+ }\r
+ }\r
+\r
+ public static class MouseEnterEvent extends MouseEvent {\r
+ private static final long serialVersionUID = 6074648747865556588L;\r
+\r
+ public MouseEnterEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, controlPosition, screenPosition);\r
+ }\r
+ }\r
+\r
+ public static class MouseExitEvent extends MouseEvent {\r
+ private static final long serialVersionUID = 8596801599996844789L;\r
+\r
+ public MouseExitEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, controlPosition, screenPosition);\r
+ }\r
+ }\r
+\r
+ public static class MouseDoubleClickedEvent extends MouseButtonEvent {\r
+ private static final long serialVersionUID = -8046967155607105912L;\r
+\r
+ public MouseDoubleClickedEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ int button, Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, button, controlPosition, screenPosition);\r
+ }\r
+ }\r
+\r
+ public static class MouseClickEvent extends MouseButtonEvent {\r
+ private static final long serialVersionUID = -1737712792090986607L;\r
+ /**\r
+ * Indicates the number of quick consecutive clicks of\r
+ * a mouse button.\r
+ */\r
+ public final int clickCount;\r
+ \r
+ public MouseClickEvent(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ int button, int clickCount, Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, button, controlPosition, screenPosition);\r
+ this.clickCount = clickCount;\r
+ }\r
+ }\r
+\r
+ public static class MouseDragBegin extends MouseButtonEvent {\r
+ private static final long serialVersionUID = 3882552912240236450L;\r
+ public final Point2D startCanvasPos;\r
+ public final Point2D startControlPos;\r
+ public Transferable transferable = null;\r
+ public MouseDragBegin(Object context, long time, int mouseId, int buttons, int stateMask,\r
+ int button, Point2D startCanvasPos, Point2D startControlPos, Point2D controlPosition, Point2D screenPosition) {\r
+ super(context, time, mouseId, buttons, stateMask, button, controlPosition, screenPosition);\r
+ this.startCanvasPos = startCanvasPos;\r
+ this.startControlPos = startControlPos;\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Spans button bit mask into individual button ids (starting from 1)\r
+ * @param buttons\r
+ * @return\r
+ */\r
+ public static int[] getButtonIds(int buttons)\r
+ {\r
+ // calculate 1 bits\r
+ int size = 0;\r
+ for (int i=0; i<32; i++)\r
+ if ((buttons & (1<<i))!=0)\r
+ size++;\r
+ int result[] = new int[size];\r
+ int j=0;\r
+ for (int i=0; i<32; i++)\r
+ if ((buttons & (1<<i))!=0)\r
+ result[j++] = i+1;\r
+ return result;\r
+ }\r
+\r
+ @Override\r
+ public String toString() {\r
+ return super.toString() + "[mouse#=" + mouseId + ", control pos=" + controlPosition + ", screen pos="\r
+ + screenPosition + ", buttons=" + Integer.toBinaryString(buttons) + ", stateMask=0x"\r
+ + Integer.toHexString(stateMask) + "]";\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff