[1812] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #ifndef __Input_H__
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| 26 | #define __Input_H__
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| 27 |
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| 28 | #include "OgrePrerequisites.h"
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| 29 |
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| 30 | namespace Ogre {
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| 31 |
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| 32 | /** Keyboard scan codes - copied from DirectInput for now for speed.
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| 33 | */
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| 34 | enum KeyCode
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| 35 | {
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| 36 | KC_ESCAPE =0x01,
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| 37 | KC_1 =0x02,
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| 38 | KC_2 =0x03,
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| 39 | KC_3 =0x04,
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| 40 | KC_4 =0x05,
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| 41 | KC_5 =0x06,
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| 42 | KC_6 =0x07,
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| 43 | KC_7 =0x08,
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| 44 | KC_8 =0x09,
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| 45 | KC_9 =0x0A,
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| 46 | KC_0 =0x0B,
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| 47 | KC_MINUS =0x0C, /* - on main keyboard */
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| 48 | KC_EQUALS =0x0D,
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| 49 | KC_BACK =0x0E, /* backspace */
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| 50 | KC_TAB =0x0F,
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| 51 | KC_Q =0x10,
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| 52 | KC_W =0x11,
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| 53 | KC_E =0x12,
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| 54 | KC_R =0x13,
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| 55 | KC_T =0x14,
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| 56 | KC_Y =0x15,
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| 57 | KC_U =0x16,
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| 58 | KC_I =0x17,
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| 59 | KC_O =0x18,
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| 60 | KC_P =0x19,
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| 61 | KC_LBRACKET =0x1A,
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| 62 | KC_RBRACKET =0x1B,
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| 63 | KC_RETURN =0x1C, /* Enter on main keyboard */
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| 64 | KC_LCONTROL =0x1D,
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| 65 | KC_A =0x1E,
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| 66 | KC_S =0x1F,
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| 67 | KC_D =0x20,
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| 68 | KC_F =0x21,
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| 69 | KC_G =0x22,
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| 70 | KC_H =0x23,
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| 71 | KC_J =0x24,
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| 72 | KC_K =0x25,
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| 73 | KC_L =0x26,
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| 74 | KC_SEMICOLON =0x27,
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| 75 | KC_APOSTROPHE =0x28,
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| 76 | KC_GRAVE =0x29, /* accent grave */
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| 77 | KC_LSHIFT =0x2A,
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| 78 | KC_BACKSLASH =0x2B,
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| 79 | KC_Z =0x2C,
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| 80 | KC_X =0x2D,
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| 81 | KC_C =0x2E,
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| 82 | KC_V =0x2F,
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| 83 | KC_B =0x30,
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| 84 | KC_N =0x31,
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| 85 | KC_M =0x32,
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| 86 | KC_COMMA =0x33,
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| 87 | KC_PERIOD =0x34, /* . on main keyboard */
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| 88 | KC_SLASH =0x35, /* '/' on main keyboard */
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| 89 | KC_RSHIFT =0x36,
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| 90 | KC_MULTIPLY =0x37, /* * on numeric keypad */
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| 91 | KC_LMENU =0x38, /* left Alt */
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| 92 | KC_SPACE =0x39,
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| 93 | KC_CAPITAL =0x3A,
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| 94 | KC_F1 =0x3B,
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| 95 | KC_F2 =0x3C,
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| 96 | KC_F3 =0x3D,
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| 97 | KC_F4 =0x3E,
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| 98 | KC_F5 =0x3F,
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| 99 | KC_F6 =0x40,
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| 100 | KC_F7 =0x41,
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| 101 | KC_F8 =0x42,
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| 102 | KC_F9 =0x43,
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| 103 | KC_F10 =0x44,
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| 104 | KC_NUMLOCK =0x45,
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| 105 | KC_SCROLL =0x46, /* Scroll Lock */
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| 106 | KC_NUMPAD7 =0x47,
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| 107 | KC_NUMPAD8 =0x48,
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| 108 | KC_NUMPAD9 =0x49,
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| 109 | KC_SUBTRACT =0x4A, /* - on numeric keypad */
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| 110 | KC_NUMPAD4 =0x4B,
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| 111 | KC_NUMPAD5 =0x4C,
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| 112 | KC_NUMPAD6 =0x4D,
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| 113 | KC_ADD =0x4E, /* + on numeric keypad */
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| 114 | KC_NUMPAD1 =0x4F,
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| 115 | KC_NUMPAD2 =0x50,
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| 116 | KC_NUMPAD3 =0x51,
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| 117 | KC_NUMPAD0 =0x52,
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| 118 | KC_DECIMAL =0x53, /* . on numeric keypad */
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| 119 | KC_OEM_102 =0x56, /* < > | on UK/Germany keyboards */
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| 120 | KC_F11 =0x57,
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| 121 | KC_F12 =0x58,
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| 122 | KC_F13 =0x64, /* (NEC PC98) */
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| 123 | KC_F14 =0x65, /* (NEC PC98) */
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| 124 | KC_F15 =0x66, /* (NEC PC98) */
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| 125 | KC_KANA =0x70, /* (Japanese keyboard) */
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| 126 | KC_ABNT_C1 =0x73, /* / ? on Portugese (Brazilian) keyboards */
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| 127 | KC_CONVERT =0x79, /* (Japanese keyboard) */
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| 128 | KC_NOCONVERT =0x7B, /* (Japanese keyboard) */
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| 129 | KC_YEN =0x7D, /* (Japanese keyboard) */
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| 130 | KC_ABNT_C2 =0x7E, /* Numpad . on Portugese (Brazilian) keyboards */
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| 131 | KC_NUMPADEQUALS =0x8D, /* = on numeric keypad (NEC PC98) */
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| 132 | KC_PREVTRACK =0x90, /* Previous Track (KC_CIRCUMFLEX on Japanese keyboard) */
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| 133 | KC_AT =0x91, /* (NEC PC98) */
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| 134 | KC_COLON =0x92, /* (NEC PC98) */
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| 135 | KC_UNDERLINE =0x93, /* (NEC PC98) */
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| 136 | KC_KANJI =0x94, /* (Japanese keyboard) */
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| 137 | KC_STOP =0x95, /* (NEC PC98) */
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| 138 | KC_AX =0x96, /* (Japan AX) */
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| 139 | KC_UNLABELED =0x97, /* (J3100) */
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| 140 | KC_NEXTTRACK =0x99, /* Next Track */
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| 141 | KC_NUMPADENTER =0x9C, /* Enter on numeric keypad */
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| 142 | KC_RCONTROL =0x9D,
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| 143 | KC_MUTE =0xA0, /* Mute */
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| 144 | KC_CALCULATOR =0xA1, /* Calculator */
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| 145 | KC_PLAYPAUSE =0xA2, /* Play / Pause */
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| 146 | KC_MEDIASTOP =0xA4, /* Media Stop */
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| 147 | KC_VOLUMEDOWN =0xAE, /* Volume - */
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| 148 | KC_VOLUMEUP =0xB0, /* Volume + */
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| 149 | KC_WEBHOME =0xB2, /* Web home */
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| 150 | KC_NUMPADCOMMA =0xB3, /* , on numeric keypad (NEC PC98) */
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| 151 | KC_DIVIDE =0xB5, /* / on numeric keypad */
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| 152 | KC_SYSRQ =0xB7,
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| 153 | KC_RMENU =0xB8, /* right Alt */
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| 154 | KC_PAUSE =0xC5, /* Pause */
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| 155 | KC_HOME =0xC7, /* Home on arrow keypad */
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| 156 | KC_UP =0xC8, /* UpArrow on arrow keypad */
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| 157 | KC_PGUP =0xC9, /* PgUp on arrow keypad */
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| 158 | KC_LEFT =0xCB, /* LeftArrow on arrow keypad */
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| 159 | KC_RIGHT =0xCD, /* RightArrow on arrow keypad */
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| 160 | KC_END =0xCF, /* End on arrow keypad */
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| 161 | KC_DOWN =0xD0, /* DownArrow on arrow keypad */
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| 162 | KC_PGDOWN =0xD1, /* PgDn on arrow keypad */
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| 163 | KC_INSERT =0xD2, /* Insert on arrow keypad */
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| 164 | KC_DELETE =0xD3, /* Delete on arrow keypad */
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| 165 | KC_LWIN =0xDB, /* Left Windows key */
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| 166 | KC_RWIN =0xDC, /* Right Windows key */
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| 167 | KC_APPS =0xDD, /* AppMenu key */
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| 168 | KC_POWER =0xDE, /* System Power */
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| 169 | KC_SLEEP =0xDF, /* System Sleep */
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| 170 | KC_WAKE =0xE3, /* System Wake */
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| 171 | KC_WEBSEARCH =0xE5, /* Web Search */
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| 172 | KC_WEBFAVORITES =0xE6, /* Web Favorites */
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| 173 | KC_WEBREFRESH =0xE7, /* Web Refresh */
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| 174 | KC_WEBSTOP =0xE8, /* Web Stop */
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| 175 | KC_WEBFORWARD =0xE9, /* Web Forward */
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| 176 | KC_WEBBACK =0xEA, /* Web Back */
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| 177 | KC_MYCOMPUTER =0xEB, /* My Computer */
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| 178 | KC_MAIL =0xEC, /* Mail */
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| 179 | KC_MEDIASELECT =0xED /* Media Select */
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| 180 | };
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| 181 |
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| 182 | /** Structure representing a snapshot of the state of the mouse
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| 183 | input controller. */
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| 184 | struct _OgreExport MouseState
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| 185 | {
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| 186 | /** Absolute position of the mouse pointer. */
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| 187 | long Xabs, Yabs, Zabs;
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| 188 | /** Relative position of the mouse pointer. */
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| 189 | long Xrel, Yrel, Zrel;
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| 190 | /** The buttons that have been pressed. Each bit maps to a mouse
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| 191 | button. */
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| 192 | long Buttons;
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| 193 |
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| 194 | /** Retrieves the pressed state of a mouse button. */
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| 195 | inline long isButtonDown( uchar button ) const
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| 196 | {
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| 197 | return Buttons & ( 1 << button );
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| 198 | }
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| 199 | };
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| 200 |
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| 201 | /** Abstract class which allows input to be read from various
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| 202 | controllers.
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| 203 | @remarks
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| 204 | You can access an appropriate concrete subclass of this interface by
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| 205 | calling PlatformManager::createInputReader.
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| 206 | @warning Temporary implementation only. This class is likely to be
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| 207 | refactored into a better design when I get time to look at it
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| 208 | properly. For now it's a quick-and-dirty way to get what I need.
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| 209 | @see
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| 210 | PlatformManager::createInputReader
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| 211 | */
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| 212 | class _OgreExport InputReader
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| 213 | {
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| 214 | public:
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| 215 | InputReader();
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| 216 | virtual ~InputReader();
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| 217 |
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| 218 | /** Tells the reader to use buffered input and update the passed in queue.
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| 219 | @remarks
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| 220 | The default behaviour of the input reader is simply to capture the
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| 221 | current state of the mouse / keyboard on demand. An alternative is to use
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| 222 | buffered input where all events are registered on a queue.
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| 223 | */
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| 224 | void useBufferedInput(EventQueue* pEventQueue, bool keys = true, bool mouse = true) ;
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| 225 |
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| 226 | virtual void setBufferedInput(bool keys, bool mouse) ;
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| 227 |
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| 228 |
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| 229 | /** Initialise the input system.
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| 230 | @note
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| 231 | Only keyboard and mouse currently implemented.
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| 232 | @param
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| 233 | pWindow The window to capture input for
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| 234 | @param
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| 235 | useKeyboard If true, keyboard input will be supported.
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| 236 | @param
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| 237 | useMouse If true, mouse input will be supported.
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| 238 | @param
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| 239 | useGameController If true, joysticks/gamepads will be supported.
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| 240 | */
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| 241 | virtual void initialise(
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| 242 | RenderWindow* pWindow,
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| 243 | bool useKeyboard = true,
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| 244 | bool useMouse = true,
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| 245 | bool useGameController = false ) = 0;
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| 246 |
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| 247 | /** Captures the state of all the input devices.
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| 248 | @remarks
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| 249 | This method captures the state of all input devices and
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| 250 | stores it internally for use when the enquiry methods are
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| 251 | next called. This is done to ensure that all input is
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| 252 | captured at once and therefore combinations of input are not
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| 253 | subject to time differences when methods are called.
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| 254 |
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| 255 | */
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| 256 | virtual void capture() = 0;
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| 257 |
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| 258 | /** Determines if the specified key is currently depressed.
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| 259 | @note In immediate mode, this enquiry method uses the state of the
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| 260 | keyboard at the last 'capture' call.
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| 261 | */
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| 262 | virtual bool isKeyDown( KeyCode kc ) const;
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| 263 |
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| 264 | /** Retrieves the relative position of the mouse when capture was
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| 265 | called relative to the last time. */
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| 266 | virtual long getMouseRelativeX() const { return getMouseRelX(); }
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| 267 |
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| 268 | /** Retrieves the relative position of the mouse when capture was
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| 269 | called relative to the last time. */
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| 270 | virtual long getMouseRelativeY() const { return getMouseRelY(); }
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| 271 |
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| 272 | /** Retrieves the relative position of the mouse when capture was
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| 273 | called relative to the last time. */
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| 274 | virtual long getMouseRelativeZ() const { return getMouseRelZ(); }
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| 275 |
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| 276 | /** Retrieves the relative (compared to the last input poll) mouse movement
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| 277 | on the X (horizontal) axis. */
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| 278 | virtual long getMouseRelX() const = 0;
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| 279 |
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| 280 | /** Retrieves the relative (compared to the last input poll) mouse movement
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| 281 | on the Y (vertical) axis. */
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| 282 | virtual long getMouseRelY() const = 0;
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| 283 |
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| 284 | /** Retrieves the relative (compared to the last input poll) mouse movement
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| 285 | on the Z (mouse wheel) axis. */
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| 286 | virtual long getMouseRelZ() const = 0;
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| 287 |
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| 288 | /** Retrieves the absolute mouse position on the X (horizontal) axis. */
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| 289 | virtual long getMouseAbsX() const = 0;
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| 290 | /** Retrieves the absolute mouse position on the Y (vertical) axis. */
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| 291 | virtual long getMouseAbsY() const = 0;
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| 292 | /** Retrieves the absolute mouse position on the Z (mouse wheel) axis. */
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| 293 | virtual long getMouseAbsZ() const = 0;
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| 294 |
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| 295 | /** Retrieves the current state of the mouse. */
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| 296 | virtual void getMouseState( MouseState& state ) const = 0;
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| 297 |
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| 298 | /** Retrieves the state of a mouse button. */
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| 299 | virtual bool getMouseButton( uchar button ) const = 0;
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| 300 |
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| 301 | /** Adds a mouse motion listener to the cursor object.
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| 302 | This keeps the Cursor object hidden. */
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| 303 | void addCursorMoveListener( MouseMotionListener* c );
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| 304 |
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| 305 | /** Remove a mouse motion listener to the cursor object.
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| 306 | This keeps the Cursor object hidden. */
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| 307 | void removeCursorMoveListener( MouseMotionListener* c );
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| 308 | static char getKeyChar(int keyCode, long modifiers = 0);
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| 309 |
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| 310 | /** Set mouse scale factor.
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| 311 | @param scale The new mouse scale (The default on is around 0.001/0.002).
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| 312 | */
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| 313 | virtual void setMouseScale( Real scale ) { mMouseScale = scale; }
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| 314 |
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| 315 | /** Get mouse scale factor.
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| 316 | */
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| 317 | virtual Real getMouseScale( void ) const { return mMouseScale; }
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| 318 |
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| 319 |
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| 320 |
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| 321 | protected:
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| 322 |
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| 323 | /** The modifiers are a binary flags that represent what buttons are pressed,
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| 324 | and what key modifiers are down (e.g. shift/alt). */
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| 325 | long mModifiers;
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| 326 |
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| 327 | /// Speed of mouse
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| 328 | Real mMouseScale;
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| 329 |
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| 330 | /** Internal Cursor object.
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| 331 | @remarks
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| 332 | This is a mathematical representation of where the cursor is, it does
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| 333 | not draw a cursor.
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| 334 | @see CursorGuiElement. */
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| 335 |
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| 336 | Cursor* mCursor;
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| 337 |
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| 338 | /** EventQueue is used for buffered input support. */
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| 339 | EventQueue* mEventQueue;
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| 340 |
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| 341 | /** Wether to use buffering input support - buffering support relies on using
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| 342 | an EventQueue.
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| 343 | @see class EventQueue */
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| 344 | bool mUseBufferedKeys, mUseBufferedMouse;
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| 345 |
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| 346 | /** The mouse state in immediate mode. */
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| 347 | MouseState mMouseState;
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| 348 |
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| 349 | /// Set of all the keys currently depressed based on buffered input events
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| 350 | typedef std::set<KeyCode> BufferedKeysDownSet;
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| 351 | BufferedKeysDownSet mBufferedKeysDown;
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| 352 |
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| 353 | /** Creates mouse moved or dragged events depending if any button is pressed. */
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| 354 | void mouseMoved();
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| 355 |
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| 356 | /** Creates a MouseEvent that first gets processed by the cursor, then gets
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| 357 | pushed on the queue. */
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| 358 | void createMouseEvent(int id, int button);
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| 359 |
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| 360 | /** Creates mouse pressed, released, and clicked events. */
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| 361 | void triggerMouseButton(int nMouseCode, bool mousePressed);
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| 362 |
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| 363 | void createKeyEvent(int id, int key);
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| 364 | void keyChanged(int key, bool down);
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| 365 |
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| 366 | /** Return whether a key is down in immediate mode. */
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| 367 | virtual bool isKeyDownImmediate( KeyCode kc ) const = 0;
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| 368 | };
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| 369 |
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| 370 |
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| 371 | /** Defines the interface a platform-specific library must implement.
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| 372 | @remarks
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| 373 | Any library (.dll, .so) wishing to implement a
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| 374 | platform-specific version of this input reader must export the
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| 375 | symbol 'createInputReader' with the signature void
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| 376 | createPlatformInputReader(InputReader** ppReader).
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| 377 | */
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| 378 | typedef void (*DLL_CREATEINPUTREADER)(InputReader** ppReader);
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| 379 |
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| 380 | }
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| 381 |
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| 382 | #endif
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