dbbabf87c6
keyboard and mouse events. Added osgGA::EventQueue class to support a thread safe event queue and adaption of keyboard and mouse events. Removed osgProducer::EventAdapter as GUIEventAdapter replaces it. Adapted osgProducer and examples to work with the new changes to osgGA.
372 lines
14 KiB
C++
372 lines
14 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGGA_EVENT
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#define OSGGA_EVENT 1
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#include <osg/Referenced>
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#include <osgGA/Export>
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namespace osgGA{
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/**
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Pure virtual base class for adapting platform specific GUIEventAdapters into
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generic keyboard and mouse GUIEventAdapters.
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Used as GUI toolkit-independent input into GUIEventAdapters. Viewer
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writers should subclass this base class to implement the functionality
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to translate one of their GUI GUIEventAdapters, e.g. a Qt GUIEventAdapter or an MFC GUIEventAdapter,
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as appropriate.
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*/
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class OSGGA_EXPORT GUIEventAdapter : public osg::Referenced
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{
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public:
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enum MouseButtonMask {
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LEFT_MOUSE_BUTTON=1,
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MIDDLE_MOUSE_BUTTON=2,
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RIGHT_MOUSE_BUTTON=4
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};
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enum EventType {
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NONE=0,
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PUSH,
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RELEASE,
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DOUBLECLICK,
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DRAG,
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MOVE,
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KEYDOWN,
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KEYUP,
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FRAME,
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RESIZE,
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SCROLL
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};
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enum KeySymbol
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{
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KEY_Space = 0x20,
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KEY_BackSpace = 0xFF08, /* back space, back char */
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KEY_Tab = 0xFF09,
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KEY_Linefeed = 0xFF0A, /* Linefeed, LF */
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KEY_Clear = 0xFF0B,
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KEY_Return = 0xFF0D, /* Return, enter */
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KEY_Pause = 0xFF13, /* Pause, hold */
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KEY_Scroll_Lock = 0xFF14,
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KEY_Sys_Req = 0xFF15,
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KEY_Escape = 0xFF1B,
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KEY_Delete = 0xFFFF, /* Delete, rubout */
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/* Cursor control & motion */
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KEY_Home = 0xFF50,
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KEY_Left = 0xFF51, /* Move left, left arrow */
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KEY_Up = 0xFF52, /* Move up, up arrow */
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KEY_Right = 0xFF53, /* Move right, right arrow */
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KEY_Down = 0xFF54, /* Move down, down arrow */
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KEY_Prior = 0xFF55, /* Prior, previous */
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KEY_Page_Up = 0xFF55,
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KEY_Next = 0xFF56, /* Next */
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KEY_Page_Down = 0xFF56,
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KEY_End = 0xFF57, /* EOL */
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KEY_Begin = 0xFF58, /* BOL */
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/* Misc Functions */
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KEY_Select = 0xFF60, /* Select, mark */
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KEY_Print = 0xFF61,
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KEY_Execute = 0xFF62, /* Execute, run, do */
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KEY_Insert = 0xFF63, /* Insert, insert here */
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KEY_Undo = 0xFF65, /* Undo, oops */
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KEY_Redo = 0xFF66, /* redo, again */
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KEY_Menu = 0xFF67, /* On Windows, this is VK_APPS, the context-menu key */
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KEY_Find = 0xFF68, /* Find, search */
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KEY_Cancel = 0xFF69, /* Cancel, stop, abort, exit */
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KEY_Help = 0xFF6A, /* Help */
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KEY_Break = 0xFF6B,
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KEY_Mode_switch = 0xFF7E, /* Character set switch */
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KEY_Script_switch = 0xFF7E, /* Alias for mode_switch */
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KEY_Num_Lock = 0xFF7F,
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/* Keypad Functions, keypad numbers cleverly chosen to map to ascii */
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KEY_KP_Space = 0xFF80, /* space */
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KEY_KP_Tab = 0xFF89,
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KEY_KP_Enter = 0xFF8D, /* enter */
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KEY_KP_F1 = 0xFF91, /* PF1, KP_A, ... */
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KEY_KP_F2 = 0xFF92,
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KEY_KP_F3 = 0xFF93,
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KEY_KP_F4 = 0xFF94,
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KEY_KP_Home = 0xFF95,
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KEY_KP_Left = 0xFF96,
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KEY_KP_Up = 0xFF97,
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KEY_KP_Right = 0xFF98,
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KEY_KP_Down = 0xFF99,
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KEY_KP_Prior = 0xFF9A,
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KEY_KP_Page_Up = 0xFF9A,
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KEY_KP_Next = 0xFF9B,
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KEY_KP_Page_Down = 0xFF9B,
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KEY_KP_End = 0xFF9C,
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KEY_KP_Begin = 0xFF9D,
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KEY_KP_Insert = 0xFF9E,
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KEY_KP_Delete = 0xFF9F,
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KEY_KP_Equal = 0xFFBD, /* equals */
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KEY_KP_Multiply = 0xFFAA,
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KEY_KP_Add = 0xFFAB,
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KEY_KP_Separator = 0xFFAC, /* separator, often comma */
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KEY_KP_Subtract = 0xFFAD,
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KEY_KP_Decimal = 0xFFAE,
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KEY_KP_Divide = 0xFFAF,
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KEY_KP_0 = 0xFFB0,
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KEY_KP_1 = 0xFFB1,
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KEY_KP_2 = 0xFFB2,
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KEY_KP_3 = 0xFFB3,
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KEY_KP_4 = 0xFFB4,
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KEY_KP_5 = 0xFFB5,
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KEY_KP_6 = 0xFFB6,
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KEY_KP_7 = 0xFFB7,
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KEY_KP_8 = 0xFFB8,
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KEY_KP_9 = 0xFFB9,
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/*
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* Auxilliary Functions; note the duplicate definitions for left and right
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* function keys; Sun keyboards and a few other manufactures have such
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* function key groups on the left and/or right sides of the keyboard.
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* We've not found a keyboard with more than 35 function keys total.
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*/
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KEY_F1 = 0xFFBE,
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KEY_F2 = 0xFFBF,
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KEY_F3 = 0xFFC0,
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KEY_F4 = 0xFFC1,
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KEY_F5 = 0xFFC2,
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KEY_F6 = 0xFFC3,
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KEY_F7 = 0xFFC4,
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KEY_F8 = 0xFFC5,
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KEY_F9 = 0xFFC6,
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KEY_F10 = 0xFFC7,
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KEY_F11 = 0xFFC8,
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KEY_F12 = 0xFFC9,
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KEY_F13 = 0xFFCA,
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KEY_F14 = 0xFFCB,
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KEY_F15 = 0xFFCC,
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KEY_F16 = 0xFFCD,
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KEY_F17 = 0xFFCE,
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KEY_F18 = 0xFFCF,
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KEY_F19 = 0xFFD0,
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KEY_F20 = 0xFFD1,
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KEY_F21 = 0xFFD2,
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KEY_F22 = 0xFFD3,
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KEY_F23 = 0xFFD4,
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KEY_F24 = 0xFFD5,
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KEY_F25 = 0xFFD6,
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KEY_F26 = 0xFFD7,
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KEY_F27 = 0xFFD8,
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KEY_F28 = 0xFFD9,
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KEY_F29 = 0xFFDA,
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KEY_F30 = 0xFFDB,
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KEY_F31 = 0xFFDC,
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KEY_F32 = 0xFFDD,
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KEY_F33 = 0xFFDE,
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KEY_F34 = 0xFFDF,
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KEY_F35 = 0xFFE0,
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/* Modifiers */
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KEY_Shift_L = 0xFFE1, /* Left shift */
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KEY_Shift_R = 0xFFE2, /* Right shift */
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KEY_Control_L = 0xFFE3, /* Left control */
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KEY_Control_R = 0xFFE4, /* Right control */
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KEY_Caps_Lock = 0xFFE5, /* Caps lock */
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KEY_Shift_Lock = 0xFFE6, /* Shift lock */
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KEY_Meta_L = 0xFFE7, /* Left meta */
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KEY_Meta_R = 0xFFE8, /* Right meta */
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KEY_Alt_L = 0xFFE9, /* Left alt */
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KEY_Alt_R = 0xFFEA, /* Right alt */
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KEY_Super_L = 0xFFEB, /* Left super */
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KEY_Super_R = 0xFFEC, /* Right super */
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KEY_Hyper_L = 0xFFED, /* Left hyper */
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KEY_Hyper_R = 0xFFEE, /* Right hyper */
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};
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enum ModKeyMask
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{
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MODKEY_LEFT_SHIFT = 0x0001,
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MODKEY_RIGHT_SHIFT = 0x0002,
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MODKEY_LEFT_CTRL = 0x0040,
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MODKEY_RIGHT_CTRL = 0x0080,
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MODKEY_LEFT_ALT = 0x0100,
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MODKEY_RIGHT_ALT = 0x0200,
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MODKEY_LEFT_META = 0x0400,
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MODKEY_RIGHT_META = 0x0800,
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MODKEY_NUM_LOCK = 0x1000,
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MODKEY_CAPS_LOCK = 0x2000,
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MODKEY_CTRL = (MODKEY_LEFT_CTRL|MODKEY_RIGHT_CTRL),
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MODKEY_SHIFT = (MODKEY_LEFT_SHIFT|MODKEY_RIGHT_SHIFT),
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MODKEY_ALT = (MODKEY_LEFT_ALT|MODKEY_RIGHT_ALT),
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MODKEY_META = (MODKEY_LEFT_META|MODKEY_RIGHT_META)
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};
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enum MouseYOrientation
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{
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Y_INCREASING_UPWARDS,
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Y_INCREASING_DOWNWARDS
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};
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enum ScrollingMotion
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{
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SCROLL_LEFT,
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SCROLL_RIGHT,
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SCROLL_UP,
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SCROLL_DOWN
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};
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public:
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GUIEventAdapter();
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GUIEventAdapter(const GUIEventAdapter& rhs);
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/** Get the Type of the GUI GUIEventAdapter.*/
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void setEventType(EventType Type) { _eventType = Type; }
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/** Get the Type of the GUI GUIEventAdapter.*/
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virtual EventType getEventType() const { return _eventType; }
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/** set time in seconds of event. */
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void setTime(double time) { _time = time; }
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/** get time in seconds of event. */
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double getTime() const { return _time; }
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/** deprecated function for getting time of event. */
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double time() const { return _time; }
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/** set key pressed. */
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inline void setKey(int key) { _key = key; }
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/** get key pressed, return -1 if inappropriate for this GUIEventAdapter. */
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virtual int getKey() const { return _key; }
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/** set button pressed/released.*/
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void setButton(int button) { _button = button; }
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/** button pressed/released, return -1 if inappropriate for this GUIEventAdapter.*/
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int getButton() const { return _button; }
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/** set window minimum x. */
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void setWindowSize(float Xmin, float Ymin, float Xmax, float Ymax);
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/** set window minimum x. */
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void setXmin(float x) { _Xmin = x; }
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/** get window minimum x. */
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float getXmin() const { return _Xmin; }
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/** set window maximum x. */
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void setXmax(float x) { _Xmax = x; }
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/** get window maximum x. */
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float getXmax() const { return _Xmax; }
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/** set window minimum y. */
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void setYmin(float y) { _Ymin = y; }
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/** get window minimum y. */
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float getYmin() const { return _Ymin; }
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/** set window maYimum y. */
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void setYmax(float y) { _Ymax = y; }
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/** get window maYimum y. */
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float getYmax() const { return _Ymax; }
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/** set current mouse x position.*/
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void setX(float x) { _mx = x; }
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/** get current mouse x position.*/
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float getX() const { return _mx; }
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/** set current mouse y position.*/
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void setY(float y) { _my = y; }
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/** get current mouse y position.*/
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float getY() const { return _my; }
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/** set current mouse button state */
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void setButtonMask(unsigned int mask) { _buttonMask = mask; }
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/** get current mouse button state */
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unsigned int getButtonMask() const { return _buttonMask; }
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void setModKeyMask(unsigned int mask) { _modKeyMask = mask; }
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unsigned int getModKeyMask() const { return _modKeyMask; }
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void setScrollingMotion(ScrollingMotion motion) { _scrollingMotion = motion; }
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ScrollingMotion getScrollingMotion() const { return _scrollingMotion; }
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/** return the getX() value normalised to the range of -1 to 1.
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* -1 would be the left hand side of the window.
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* 0.0 would be the middle of the window.
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* +1 would be the right hand side of the window.*/
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inline float getXnormalized() const { return 2.0f*(getX()-getXmin())/(getXmax()-getXmin())-1.0f; }
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/** return the getY() value normalised to the range of -1 to 1.
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* -1 would be the bottom of the window.
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* 0.0 would be the middle of the window.
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* +1 would be the top of the window.*/
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inline float getYnormalized() const
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{
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if (_mouseYOrientation==Y_INCREASING_UPWARDS) return 2.0f*(getY()-getYmin())/(getYmax()-getYmin())-1.0f;
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else return -(2.0f*(getY()-getYmin())/(getYmax()-getYmin())-1.0f);
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}
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void setMouseYOrientation(MouseYOrientation myo) { _mouseYOrientation = myo; }
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MouseYOrientation getMouseYOrientation() const { return _mouseYOrientation; }
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protected:
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/** Force users to create on heap, so that multiple referencing is safe.*/
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virtual ~GUIEventAdapter();
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EventType _eventType;
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double _time;
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int _key;
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int _button;
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float _Xmin,_Xmax;
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float _Ymin,_Ymax;
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float _mx;
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float _my;
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unsigned int _buttonMask;
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unsigned int _modKeyMask;
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ScrollingMotion _scrollingMotion;
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MouseYOrientation _mouseYOrientation;
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};
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}
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#endif
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