[692] | 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 |
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| 26 | #include "OgreGLXInput.h"
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| 27 | #include "OgreLogManager.h"
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| 28 | #include "OgreMouseEvent.h"
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| 29 | #include "OgreCursor.h"
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| 30 |
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| 31 | #include "OgreGLXWindow.h"
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| 32 |
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| 33 | #include <X11/Xlib.h>
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| 34 | #include <X11/Xutil.h>
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| 35 | #include <X11/keysym.h>
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| 36 |
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| 37 | namespace Ogre {
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| 38 |
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| 39 | GLXInput::GLXInput()
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| 40 | : InputReader()
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| 41 | {
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| 42 | mEventQueue = 0;
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| 43 | mMouseScale = 0.002f;
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| 44 |
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| 45 | _key_map.insert(InputKeyMap::value_type(XK_Escape,KC_ESCAPE));
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| 46 | _key_map.insert(InputKeyMap::value_type(XK_1, KC_1));
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| 47 | _key_map.insert(InputKeyMap::value_type(XK_2, KC_2));
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| 48 | _key_map.insert(InputKeyMap::value_type(XK_3, KC_3));
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| 49 | _key_map.insert(InputKeyMap::value_type(XK_4, KC_4));
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| 50 | _key_map.insert(InputKeyMap::value_type(XK_5, KC_5));
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| 51 | _key_map.insert(InputKeyMap::value_type(XK_6, KC_6));
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| 52 | _key_map.insert(InputKeyMap::value_type(XK_7, KC_7));
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| 53 | _key_map.insert(InputKeyMap::value_type(XK_8, KC_8));
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| 54 | _key_map.insert(InputKeyMap::value_type(XK_9, KC_9));
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| 55 | _key_map.insert(InputKeyMap::value_type(XK_0, KC_0));
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| 56 | _key_map.insert(InputKeyMap::value_type(XK_minus, KC_MINUS));
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| 57 | _key_map.insert(InputKeyMap::value_type(XK_equal, KC_EQUALS));
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| 58 | _key_map.insert(InputKeyMap::value_type(XK_BackSpace, KC_BACK));
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| 59 | _key_map.insert(InputKeyMap::value_type(XK_Tab, KC_TAB));
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| 60 | _key_map.insert(InputKeyMap::value_type(XK_q, KC_Q));
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| 61 | _key_map.insert(InputKeyMap::value_type(XK_w, KC_W));
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| 62 | _key_map.insert(InputKeyMap::value_type(XK_e, KC_E));
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| 63 | _key_map.insert(InputKeyMap::value_type(XK_r, KC_R));
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| 64 | _key_map.insert(InputKeyMap::value_type(XK_t, KC_T));
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| 65 | _key_map.insert(InputKeyMap::value_type(XK_y, KC_Y));
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| 66 | _key_map.insert(InputKeyMap::value_type(XK_u, KC_U));
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| 67 | _key_map.insert(InputKeyMap::value_type(XK_i, KC_I));
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| 68 | _key_map.insert(InputKeyMap::value_type(XK_o, KC_O));
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| 69 | _key_map.insert(InputKeyMap::value_type(XK_p, KC_P));
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| 70 | _key_map.insert(InputKeyMap::value_type(XK_Return, KC_RETURN));
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| 71 | _key_map.insert(InputKeyMap::value_type(XK_Control_L, KC_LCONTROL));
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| 72 | _key_map.insert(InputKeyMap::value_type(XK_a, KC_A));
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| 73 | _key_map.insert(InputKeyMap::value_type(XK_s, KC_S));
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| 74 | _key_map.insert(InputKeyMap::value_type(XK_d, KC_D));
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| 75 | _key_map.insert(InputKeyMap::value_type(XK_f, KC_F));
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| 76 | _key_map.insert(InputKeyMap::value_type(XK_g, KC_G));
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| 77 | _key_map.insert(InputKeyMap::value_type(XK_h, KC_H));
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| 78 | _key_map.insert(InputKeyMap::value_type(XK_j, KC_J));
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| 79 | _key_map.insert(InputKeyMap::value_type(XK_k, KC_K));
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| 80 | _key_map.insert(InputKeyMap::value_type(XK_l, KC_L));
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| 81 | _key_map.insert(InputKeyMap::value_type(XK_semicolon, KC_SEMICOLON));
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| 82 | _key_map.insert(InputKeyMap::value_type(XK_colon, KC_COLON));
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| 83 | _key_map.insert(InputKeyMap::value_type(XK_apostrophe, KC_APOSTROPHE));
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| 84 | _key_map.insert(InputKeyMap::value_type(XK_grave, KC_GRAVE));
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| 85 | _key_map.insert(InputKeyMap::value_type(XK_Shift_L, KC_LSHIFT));
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| 86 | _key_map.insert(InputKeyMap::value_type(XK_backslash, KC_BACKSLASH));
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| 87 | _key_map.insert(InputKeyMap::value_type(XK_z, KC_Z));
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| 88 | _key_map.insert(InputKeyMap::value_type(XK_x, KC_X));
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| 89 | _key_map.insert(InputKeyMap::value_type(XK_c, KC_C));
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| 90 | _key_map.insert(InputKeyMap::value_type(XK_v, KC_V));
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| 91 | _key_map.insert(InputKeyMap::value_type(XK_b, KC_B));
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| 92 | _key_map.insert(InputKeyMap::value_type(XK_n, KC_N));
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| 93 | _key_map.insert(InputKeyMap::value_type(XK_m, KC_M));
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| 94 | _key_map.insert(InputKeyMap::value_type(XK_comma, KC_COMMA));
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| 95 | _key_map.insert(InputKeyMap::value_type(XK_period, KC_PERIOD));
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| 96 | _key_map.insert(InputKeyMap::value_type(XK_Shift_R, KC_RSHIFT));
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| 97 | _key_map.insert(InputKeyMap::value_type(XK_KP_Multiply, KC_MULTIPLY));
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| 98 | _key_map.insert(InputKeyMap::value_type(XK_Alt_L, KC_LMENU)); // ?
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| 99 | _key_map.insert(InputKeyMap::value_type(XK_space, KC_SPACE));
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| 100 | _key_map.insert(InputKeyMap::value_type(XK_Escape, KC_CAPITAL));
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| 101 | _key_map.insert(InputKeyMap::value_type(XK_F1, KC_F1));
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| 102 | _key_map.insert(InputKeyMap::value_type(XK_F2, KC_F2));
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| 103 | _key_map.insert(InputKeyMap::value_type(XK_F3, KC_F3));
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| 104 | _key_map.insert(InputKeyMap::value_type(XK_F4, KC_F4));
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| 105 | _key_map.insert(InputKeyMap::value_type(XK_F5, KC_F5));
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| 106 | _key_map.insert(InputKeyMap::value_type(XK_F6, KC_F6));
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| 107 | _key_map.insert(InputKeyMap::value_type(XK_F7, KC_F7));
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| 108 | _key_map.insert(InputKeyMap::value_type(XK_F8, KC_F8));
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| 109 | _key_map.insert(InputKeyMap::value_type(XK_F9, KC_F9));
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| 110 | _key_map.insert(InputKeyMap::value_type(XK_F10, KC_F10));
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| 111 | _key_map.insert(InputKeyMap::value_type(XK_Num_Lock, KC_NUMLOCK));
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| 112 | _key_map.insert(InputKeyMap::value_type(XK_Scroll_Lock, KC_SCROLL));
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| 113 | _key_map.insert(InputKeyMap::value_type(XK_KP_7, KC_NUMPAD7));
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| 114 | _key_map.insert(InputKeyMap::value_type(XK_KP_8, KC_NUMPAD8));
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| 115 | _key_map.insert(InputKeyMap::value_type(XK_KP_9, KC_NUMPAD9));
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| 116 | _key_map.insert(InputKeyMap::value_type(XK_KP_Subtract, KC_SUBTRACT));
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| 117 | _key_map.insert(InputKeyMap::value_type(XK_KP_4, KC_NUMPAD4));
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| 118 | _key_map.insert(InputKeyMap::value_type(XK_KP_5, KC_NUMPAD5));
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| 119 | _key_map.insert(InputKeyMap::value_type(XK_KP_6, KC_NUMPAD6));
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| 120 | _key_map.insert(InputKeyMap::value_type(XK_KP_Add, KC_ADD));
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| 121 | _key_map.insert(InputKeyMap::value_type(XK_KP_1, KC_NUMPAD1));
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| 122 | _key_map.insert(InputKeyMap::value_type(XK_KP_2, KC_NUMPAD2));
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| 123 | _key_map.insert(InputKeyMap::value_type(XK_KP_3, KC_NUMPAD3));
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| 124 | _key_map.insert(InputKeyMap::value_type(XK_KP_0, KC_NUMPAD0));
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| 125 | _key_map.insert(InputKeyMap::value_type(XK_KP_Decimal, KC_DECIMAL));
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| 126 | _key_map.insert(InputKeyMap::value_type(XK_F11, KC_F11));
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| 127 | _key_map.insert(InputKeyMap::value_type(XK_F12, KC_F12));
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| 128 | _key_map.insert(InputKeyMap::value_type(XK_F13, KC_F13));
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| 129 | _key_map.insert(InputKeyMap::value_type(XK_F14, KC_F14));
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| 130 | _key_map.insert(InputKeyMap::value_type(XK_F15, KC_F15));
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| 131 | _key_map.insert(InputKeyMap::value_type(XK_KP_Equal, KC_NUMPADEQUALS));
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| 132 | _key_map.insert(InputKeyMap::value_type(XK_KP_Divide, KC_DIVIDE));
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| 133 | _key_map.insert(InputKeyMap::value_type(XK_Print, KC_SYSRQ));
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| 134 | _key_map.insert(InputKeyMap::value_type(XK_Alt_R, KC_RMENU)); // ?
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| 135 | _key_map.insert(InputKeyMap::value_type(XK_Home, KC_HOME));
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| 136 | _key_map.insert(InputKeyMap::value_type(XK_Up, KC_UP));
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| 137 | _key_map.insert(InputKeyMap::value_type(XK_Page_Up, KC_PGUP));
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| 138 | _key_map.insert(InputKeyMap::value_type(XK_Left, KC_LEFT));
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| 139 | _key_map.insert(InputKeyMap::value_type(XK_Right, KC_RIGHT));
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| 140 | _key_map.insert(InputKeyMap::value_type(XK_End, KC_END));
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| 141 | _key_map.insert(InputKeyMap::value_type(XK_Down, KC_DOWN));
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| 142 | _key_map.insert(InputKeyMap::value_type(XK_Page_Down, KC_PGDOWN));
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| 143 | _key_map.insert(InputKeyMap::value_type(XK_Insert, KC_INSERT));
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| 144 | _key_map.insert(InputKeyMap::value_type(XK_Delete, KC_DELETE));
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| 145 | _key_map.insert(InputKeyMap::value_type(XK_Super_L, KC_LWIN)); // ?
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| 146 | _key_map.insert(InputKeyMap::value_type(XK_Super_R, KC_RWIN)); // ?
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| 147 | }
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| 148 |
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| 149 | GLXInput::~GLXInput() {
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| 150 | GrabCursor(false);
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| 151 | XFreeCursor(mDisplay, mHiddenCursor);
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| 152 | }
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| 153 |
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| 154 | void GLXInput::initialise(RenderWindow* pWindow, bool useKeyboard, bool useMouse, bool useGameController) {
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| 155 | mRenderWindow = pWindow;
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| 156 | captureMouse = useMouse;
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| 157 |
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| 158 | // Extract Window and Display from pWindow in magic way
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| 159 | // This also raises an exception if it is not an GLXRenderWindow
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| 160 | pWindow->getCustomAttribute("GLXWINDOW", &mWindow);
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| 161 | pWindow->getCustomAttribute("GLXDISPLAY", &mDisplay);
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| 162 |
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| 163 | //Change input mask to reflect the fact that we want input events (the rendersystem only requests window
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| 164 | //events)
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| 165 | XSelectInput(mDisplay, mWindow, StructureNotifyMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask );
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| 166 |
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| 167 | // Create hidden cursor
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| 168 | // X offers no standard support for this so we need to create a blank pixmap.
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| 169 | Pixmap blank_pixmap = XCreatePixmap(mDisplay, mWindow, 1, 1, 1);
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| 170 | GC gc = XCreateGC(mDisplay, blank_pixmap, (unsigned long)0, (XGCValues*)0);
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| 171 | XDrawPoint(mDisplay, blank_pixmap, gc, 0, 0);
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| 172 | XFreeGC(mDisplay, gc);
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| 173 | XColor color;
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| 174 | color.flags = DoRed | DoGreen | DoBlue;
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| 175 | color.red = color.blue = color.green = 0;
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| 176 | mHiddenCursor = XCreatePixmapCursor(mDisplay, blank_pixmap, blank_pixmap, &color, &color, 0, 0);
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| 177 | XFreePixmap(mDisplay, blank_pixmap);
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| 178 |
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| 179 | // Mousey stuff
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| 180 | warpMouse = false;
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| 181 | GrabCursor(true);
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| 182 |
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| 183 | // Get the center and put the mouse there
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| 184 | unsigned int width, height, depth;
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| 185 | int left, top;
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| 186 | pWindow->getMetrics(width, height, depth, left, top);
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| 187 |
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| 188 | mMouseState.Buttons = 0;
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| 189 | mouseLastX = mMouseState.Xabs = width / 2;
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| 190 | mouseLastY = mMouseState.Yabs = height / 2;
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| 191 | mMouseState.Zabs = 0;
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| 192 | mMouseState.Xrel = 0;
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| 193 | mMouseState.Yrel = 0;
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| 194 | mMouseState.Zrel = 0;
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| 195 | }
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| 196 |
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| 197 | void GLXInput::capture() {
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| 198 | GLXWindow *w = static_cast<GLXWindow*>(mRenderWindow);
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| 199 | KeySym key;
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| 200 | KeyCode ogrekey;
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| 201 | XEvent event;
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| 202 |
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| 203 | mMouseState.Xrel = 0;
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| 204 | mMouseState.Yrel = 0;
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| 205 | mMouseState.Zrel = 0;
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| 206 |
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| 207 | bool hasMouseMoved = false;
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| 208 |
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| 209 | // Process X events until event pump exhausted
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| 210 | while(XPending(mDisplay) > 0) {
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| 211 | XNextEvent(mDisplay,&event);
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| 212 |
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| 213 | // Give window a shot as processing the event
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| 214 | // TODO: call for every window
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| 215 | w->injectXEvent(event);
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| 216 |
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| 217 | int button_mask = -1;
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| 218 | int button_bits = 0;
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| 219 | bool button_down = false;
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| 220 | switch(event.type) {
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| 221 | case KeyPress:
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| 222 | // Ignore shift and capslock state
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| 223 | event.xkey.state &= ~ShiftMask;
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| 224 | event.xkey.state &= ~LockMask;
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| 225 |
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| 226 | XLookupString(&event.xkey,NULL,0,&key,NULL);
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| 227 | // Ctrl-Escape should free mouse ala Q****
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| 228 | // Alt-TAB should free mouse ala SDL
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| 229 | if((event.xkey.state & ControlMask && key == XK_Escape)
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| 230 | ||(event.xkey.state & Mod1Mask && key == XK_Tab)) {
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| 231 | GrabCursor(false);
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| 232 | break;
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| 233 | }
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| 234 |
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| 235 | ogrekey = _key_map[key]; // key
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| 236 |
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| 237 | // Unbuffered input
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| 238 | _key_pressed_set.insert(ogrekey);
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| 239 |
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| 240 | // Buffered input
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| 241 | if(mUseBufferedKeys)
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| 242 | keyChanged(ogrekey, true);
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| 243 | break;
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| 244 | case KeyRelease:
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| 245 | XLookupString(&event.xkey,NULL,0,&key,NULL);
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| 246 | ogrekey = _key_map[key];
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| 247 |
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| 248 | // Unbuffered input
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| 249 | _key_pressed_set.erase(ogrekey);
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| 250 |
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| 251 | // Buffered input
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| 252 | if(mUseBufferedKeys)
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| 253 | keyChanged(ogrekey, false);
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| 254 | break;
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| 255 | case MotionNotify:
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| 256 | mMouseState.Xabs = event.xmotion.x;
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| 257 | mMouseState.Yabs = event.xmotion.y;
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| 258 | hasMouseMoved = true;
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| 259 | break;
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| 260 |
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| 261 | case ButtonPress:
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| 262 | button_down = true;
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| 263 | case ButtonRelease:
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| 264 | switch(event.xbutton.button) {
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| 265 | case 1: // LEFT
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| 266 | button_mask = InputEvent::BUTTON0_MASK;
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| 267 | button_bits = 1;
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| 268 | break;
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| 269 | case 2: // MIDDLE
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| 270 | button_mask = InputEvent::BUTTON1_MASK;
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| 271 | button_bits = 2;
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| 272 | break;
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| 273 | case 3: // RIGHT
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| 274 | button_mask = InputEvent::BUTTON2_MASK;
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| 275 | button_bits = 4;
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| 276 | break;
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| 277 | case 4: // WHEEL UP
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| 278 | mMouseState.Zrel += mWheelStep;
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| 279 | break;
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| 280 | case 5: // WHEEN DOWN
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| 281 | mMouseState.Zrel -= mWheelStep;
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| 282 | break;
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| 283 | };
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| 284 | // Unbuffered mouse
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| 285 | if(button_down)
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| 286 | mMouseState.Buttons |= button_bits;
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| 287 | else
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| 288 | mMouseState.Buttons &= ~button_bits;
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| 289 |
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| 290 | // Buffered mouse
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| 291 | if(mUseBufferedMouse)
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| 292 | triggerMouseButton(button_mask, button_down);
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| 293 |
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| 294 | // Mouse re-grab
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| 295 | if(captureMouse && !warpMouse && button_down && event.xbutton.button==1) {
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| 296 | GrabCursor(true);
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| 297 | }
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| 298 |
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| 299 | break;
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| 300 | }
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| 301 | }
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| 302 | #define MOUSE_FUDGE_FACTOR 8 /* Thanks to SDL for this idea */
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| 303 |
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| 304 | if(warpMouse) {
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| 305 | // Calculate the relative motion from the last mouse position and the new one.
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| 306 | mMouseState.Xrel = mMouseState.Xabs - mouseLastX;
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| 307 | mMouseState.Yrel = mMouseState.Yabs - mouseLastY;
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| 308 | mouseLastX = mMouseState.Xabs;
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| 309 | mouseLastY = mMouseState.Yabs;
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| 310 |
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| 311 | unsigned int width, height, depth;
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| 312 | int left, top;
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| 313 | w->getMetrics(width, height, depth, left, top);
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| 314 | // If the mouse cursor has reached the border of the window
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| 315 | // (it is closer than MOUSE_FUDGE_FACTOR), warp it back to
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| 316 | // the middle.
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| 317 | if( (mMouseState.Xabs < MOUSE_FUDGE_FACTOR) ||
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| 318 | (mMouseState.Xabs > (width-MOUSE_FUDGE_FACTOR)) ||
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| 319 | (mMouseState.Yabs < MOUSE_FUDGE_FACTOR) ||
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| 320 | (mMouseState.Yabs > (height-MOUSE_FUDGE_FACTOR)) ) {
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| 321 | mouseLastX = mMouseState.Xabs = width / 2;
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| 322 | mouseLastY = mMouseState.Yabs = height / 2;
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| 323 | XWarpPointer(mDisplay, None, mWindow, 0, 0, 0, 0,
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| 324 | mMouseState.Xabs, mMouseState.Yabs);
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| 325 | }
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| 326 | }
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| 327 | if(hasMouseMoved && mUseBufferedMouse) {
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| 328 | // Send mouse moved event to application and move cursor.
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| 329 | mouseMoved();
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| 330 | mCursor->addToX(mMouseState.Xrel * mMouseScale);
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| 331 | mCursor->addToY(mMouseState.Yrel * mMouseScale);
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| 332 | }
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| 333 |
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| 334 | }
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| 335 |
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| 336 | bool GLXInput::isKeyDownImmediate(KeyCode kc) const {
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| 337 | return _key_pressed_set.count(kc);
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| 338 | }
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| 339 |
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| 340 | long GLXInput::getMouseRelX() const {
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| 341 | return mMouseState.Xrel;
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| 342 | }
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| 343 |
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| 344 | long GLXInput::getMouseRelY() const {
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| 345 | return mMouseState.Yrel;
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| 346 | }
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| 347 |
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| 348 | long GLXInput::getMouseRelZ() const {
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| 349 | return mMouseState.Zrel;
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| 350 | }
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| 351 |
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| 352 | long GLXInput::getMouseAbsX() const {
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| 353 | return mMouseState.Xabs;
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| 354 | }
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| 355 |
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| 356 | long GLXInput::getMouseAbsY() const {
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| 357 | return mMouseState.Yabs;
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| 358 | }
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| 359 |
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| 360 | long GLXInput::getMouseAbsZ() const {
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| 361 | return mMouseState.Zabs;
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| 362 | }
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| 363 |
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| 364 | bool GLXInput::getMouseButton( uchar button ) const {
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| 365 | return mMouseState.isButtonDown( button );
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| 366 | }
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| 367 |
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| 368 | void GLXInput::getMouseState( MouseState& state ) const {
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| 369 | memcpy( &state, &mMouseState, sizeof( MouseState ) );
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| 370 | }
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| 371 |
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| 372 | void GLXInput::GrabCursor(bool grab) {
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| 373 | if(!captureMouse)
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| 374 | // Never do mouse capture
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| 375 | return;
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| 376 | // Get window metrics
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| 377 | unsigned int width, height, depth;
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| 378 | int left, top;
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| 379 | mRenderWindow->getMetrics(width, height, depth, left, top);
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| 380 |
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| 381 | warpMouse = grab;
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| 382 | if(warpMouse) {
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| 383 | // Hide mouse
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| 384 | XDefineCursor(mDisplay, mWindow, mHiddenCursor);
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| 385 | // Grab keyboard and mouse
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| 386 | XGrabPointer(mDisplay,mWindow,True,0,GrabModeAsync,GrabModeAsync,mWindow,None,CurrentTime);
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| 387 | XGrabKeyboard(mDisplay,mWindow,True,GrabModeAsync,GrabModeAsync,CurrentTime);
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| 388 | // Mouse warpin' fun
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| 389 | mouseLastX = mMouseState.Xabs = width / 2;
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| 390 | mouseLastY = mMouseState.Yabs = height / 2;
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| 391 | XWarpPointer(mDisplay, None, mWindow, 0, 0, 0, 0,
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| 392 | mMouseState.Xabs, mMouseState.Yabs);
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| 393 | } else {
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| 394 | // Show mouse
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| 395 | XUndefineCursor(mDisplay, mWindow);
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| 396 | // Ungrab keyboard and mouse
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| 397 | XUngrabPointer(mDisplay,CurrentTime);
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| 398 | XUngrabKeyboard(mDisplay,CurrentTime);
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| 399 |
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| 400 | }
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| 401 | }
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| 402 |
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| 403 |
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| 404 | }
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