swfdec-gtk/swfdec_gtk_keys.c

   1 /* Swfdec
   2  * Copyright (C) 2007 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23 #include "swfdec_gtk_keys.h"
  24
  25 #include <gdk/gdk.h>
  26 #include <gdk/gdkkeysyms.h>
  27
  28 static const guint8 flash_keycodes_old[] = {
  29   /*   0 */ 0, 0, 0, 0, 0,
  30   /*   5 */ 0, 0, 0, 0, SWFDEC_KEY_ESCAPE,
  31   /*  10 */ SWFDEC_KEY_1, SWFDEC_KEY_2, SWFDEC_KEY_3, SWFDEC_KEY_4, SWFDEC_KEY_5,
  32   /*  15 */ SWFDEC_KEY_6, SWFDEC_KEY_7, SWFDEC_KEY_8, SWFDEC_KEY_9, SWFDEC_KEY_0,
  33   /*  20 */ SWFDEC_KEY_MINUS, SWFDEC_KEY_EQUAL, SWFDEC_KEY_BACKSPACE, SWFDEC_KEY_TAB, SWFDEC_KEY_Q,
  34   /*  25 */ SWFDEC_KEY_W, SWFDEC_KEY_E, SWFDEC_KEY_R, SWFDEC_KEY_T, SWFDEC_KEY_Y,
  35   /*  30 */ SWFDEC_KEY_U, SWFDEC_KEY_I, SWFDEC_KEY_O, SWFDEC_KEY_P, SWFDEC_KEY_LEFT_BRACKET,
  36   /*  35 */ SWFDEC_KEY_RIGHT_BRACKET, SWFDEC_KEY_ENTER, SWFDEC_KEY_CONTROL, SWFDEC_KEY_A, SWFDEC_KEY_S,
  37   /*  40 */ SWFDEC_KEY_D, SWFDEC_KEY_F, SWFDEC_KEY_G, SWFDEC_KEY_H, SWFDEC_KEY_J,
  38   /*  45 */ SWFDEC_KEY_K, SWFDEC_KEY_L, SWFDEC_KEY_SEMICOLON, SWFDEC_KEY_APOSTROPHE, SWFDEC_KEY_GRAVE,
  39   /*  50 */ SWFDEC_KEY_SHIFT, SWFDEC_KEY_BACKSLASH, SWFDEC_KEY_Z, SWFDEC_KEY_X, SWFDEC_KEY_C,
  40   /*  55 */ SWFDEC_KEY_V, SWFDEC_KEY_B, SWFDEC_KEY_N, SWFDEC_KEY_M, SWFDEC_KEY_COMMA,
  41   /*  60 */ SWFDEC_KEY_DOT, SWFDEC_KEY_SLASH, SWFDEC_KEY_SHIFT, SWFDEC_KEY_NUMPAD_MULTIPLY, SWFDEC_KEY_ALT,
  42   /*  65 */ SWFDEC_KEY_SPACE, SWFDEC_KEY_CAPS_LOCK, SWFDEC_KEY_F1, SWFDEC_KEY_F2, SWFDEC_KEY_F3,
  43   /*  70 */ SWFDEC_KEY_F4, SWFDEC_KEY_F5, SWFDEC_KEY_F6, SWFDEC_KEY_F7, SWFDEC_KEY_F8,
  44   /*  75 */ SWFDEC_KEY_F9, SWFDEC_KEY_F10, SWFDEC_KEY_NUM_LOCK, SWFDEC_KEY_SCROLL_LOCK, SWFDEC_KEY_NUMPAD_7,
  45   /*  80 */ SWFDEC_KEY_NUMPAD_8, SWFDEC_KEY_NUMPAD_9, SWFDEC_KEY_NUMPAD_SUBTRACT, SWFDEC_KEY_NUMPAD_4, SWFDEC_KEY_NUMPAD_5,
  46   /*  85 */ SWFDEC_KEY_NUMPAD_6, SWFDEC_KEY_NUMPAD_ADD, SWFDEC_KEY_NUMPAD_1, SWFDEC_KEY_NUMPAD_2, SWFDEC_KEY_NUMPAD_3,
  47   /*  90 */ SWFDEC_KEY_NUMPAD_0, SWFDEC_KEY_NUMPAD_DECIMAL, 0, 0, 0,
  48   /*  95 */ SWFDEC_KEY_F11, SWFDEC_KEY_F12, SWFDEC_KEY_HOME, SWFDEC_KEY_UP, SWFDEC_KEY_PAGE_UP,
  49   /* 100 */ SWFDEC_KEY_LEFT, 0, SWFDEC_KEY_RIGHT, SWFDEC_KEY_END, SWFDEC_KEY_DOWN,
  50   /* 105 */ SWFDEC_KEY_PAGE_DOWN, SWFDEC_KEY_INSERT, SWFDEC_KEY_DELETE, SWFDEC_KEY_ENTER, SWFDEC_KEY_CONTROL,
  51   /* 110 */ 0, 0, SWFDEC_KEY_NUMPAD_DIVIDE, SWFDEC_KEY_ALT, 0,
  52   /* 115 */ 0, 0, 0, 0, 0
  53 };
  54 /*
  55 SWFDEC_KEY_BREAK 110
  56 SWFDEC_KEY_META 115
  57 SWFDEC_KEY_META_R 116
  58 SWFDEC_KEY_MENU 117
  59 */
  60 static const guint8 flash_keycodes_evdev[] = {
  61   /*   0 */ 0, 0, 0, 0, 0,
  62   /*   5 */ 0, 0, 0, 0, SWFDEC_KEY_ESCAPE,
  63   /*  10 */ SWFDEC_KEY_1, SWFDEC_KEY_2, SWFDEC_KEY_3, SWFDEC_KEY_4, SWFDEC_KEY_5,
  64   /*  15 */ SWFDEC_KEY_6, SWFDEC_KEY_7, SWFDEC_KEY_8, SWFDEC_KEY_9, SWFDEC_KEY_0,
  65   /*  20 */ SWFDEC_KEY_MINUS, SWFDEC_KEY_EQUAL, SWFDEC_KEY_BACKSPACE, SWFDEC_KEY_TAB, SWFDEC_KEY_Q,
  66   /*  25 */ SWFDEC_KEY_W, SWFDEC_KEY_E, SWFDEC_KEY_R, SWFDEC_KEY_T, SWFDEC_KEY_Y,
  67   /*  30 */ SWFDEC_KEY_U, SWFDEC_KEY_I, SWFDEC_KEY_O, SWFDEC_KEY_P, SWFDEC_KEY_LEFT_BRACKET,
  68   /*  35 */ SWFDEC_KEY_RIGHT_BRACKET, SWFDEC_KEY_ENTER, SWFDEC_KEY_CONTROL, SWFDEC_KEY_A, SWFDEC_KEY_S,
  69   /*  40 */ SWFDEC_KEY_D, SWFDEC_KEY_F, SWFDEC_KEY_G, SWFDEC_KEY_H, SWFDEC_KEY_J,
  70   /*  45 */ SWFDEC_KEY_K, SWFDEC_KEY_L, SWFDEC_KEY_SEMICOLON, SWFDEC_KEY_APOSTROPHE, SWFDEC_KEY_GRAVE,
  71   /*  50 */ SWFDEC_KEY_SHIFT, SWFDEC_KEY_BACKSLASH, SWFDEC_KEY_Z, SWFDEC_KEY_X, SWFDEC_KEY_C,
  72   /*  55 */ SWFDEC_KEY_V, SWFDEC_KEY_B, SWFDEC_KEY_N, SWFDEC_KEY_M, SWFDEC_KEY_COMMA,
  73   /*  60 */ SWFDEC_KEY_DOT, SWFDEC_KEY_SLASH, SWFDEC_KEY_SHIFT, SWFDEC_KEY_NUMPAD_MULTIPLY, SWFDEC_KEY_ALT,
  74   /*  65 */ SWFDEC_KEY_SPACE, SWFDEC_KEY_CAPS_LOCK, SWFDEC_KEY_F1, SWFDEC_KEY_F2, SWFDEC_KEY_F3,
  75   /*  70 */ SWFDEC_KEY_F4, SWFDEC_KEY_F5, SWFDEC_KEY_F6, SWFDEC_KEY_F7, SWFDEC_KEY_F8,
  76   /*  75 */ SWFDEC_KEY_F9, SWFDEC_KEY_F10, SWFDEC_KEY_NUM_LOCK, SWFDEC_KEY_SCROLL_LOCK, SWFDEC_KEY_NUMPAD_7,
  77   /*  80 */ SWFDEC_KEY_NUMPAD_8, SWFDEC_KEY_NUMPAD_9, SWFDEC_KEY_NUMPAD_SUBTRACT, SWFDEC_KEY_NUMPAD_4, SWFDEC_KEY_NUMPAD_5,
  78   /*  85 */ SWFDEC_KEY_NUMPAD_6, SWFDEC_KEY_NUMPAD_ADD, SWFDEC_KEY_NUMPAD_1, SWFDEC_KEY_NUMPAD_2, SWFDEC_KEY_NUMPAD_3,
  79   /*  90 */ SWFDEC_KEY_NUMPAD_0, SWFDEC_KEY_NUMPAD_DECIMAL, 0, 0, 0,
  80   /*  95 */ SWFDEC_KEY_F11, SWFDEC_KEY_F12, 0, 0, 0,
  81   /* 100 */ 0, 0, 0, 0, 0,
  82   /* 105 */ SWFDEC_KEY_CONTROL, SWFDEC_KEY_NUMPAD_DIVIDE, 0, SWFDEC_KEY_ALT, 0,
  83   /* 110 */ SWFDEC_KEY_HOME, SWFDEC_KEY_UP, SWFDEC_KEY_PAGE_UP, SWFDEC_KEY_LEFT, SWFDEC_KEY_RIGHT,
  84   /* 115 */ SWFDEC_KEY_END, SWFDEC_KEY_DOWN, SWFDEC_KEY_PAGE_DOWN, SWFDEC_KEY_INSERT, SWFDEC_KEY_DELETE
  85 };
  86
  87 static const guint8 *
  88 compute_keycodes (void)
  89 {
  90   /* This is a huge hack, but a proper solution is probably very complicated
  91    * and I'm lazy:
  92    * We need a proper way to convert X keycodes to Windows virtual keycodes
  93    * and according to the people in #xorg-devel noone else has succeeded there
  94    * so far. */
  95   static const GdkKeymapKey test = { 105, 0, 0 };
  96   guint keyval = gdk_keymap_lookup_key (gdk_keymap_get_default (), &test);
  97
  98   /* sanity check */
  99   g_assert (G_N_ELEMENTS (flash_keycodes_old) == G_N_ELEMENTS (flash_keycodes_evdev));
 100
 101   if (keyval == GDK_Page_Down) {
 102     return flash_keycodes_old;
 103   } else if (keyval != GDK_Control_R) {
 104     g_printerr ("FIXME: Failed to detect proper keyboard layout, assuming evdev.\n");
 105   }
 106
 107   return flash_keycodes_evdev;
 108 }
 109
 110 /**
 111  * swfdec_gtk_keycode_from_hardware_keycode:
 112  * @hardware_keycode: a hardware keycode sent from the X server
 113  *
 114  * Tries to transform an X hardware keycode to the corresponding #SwfdecKey.
 115  * This is a utility function for cases where key events need to be transformed
 116  * manually.
 117  *
 118  * Returns: the corresponding key code as used in Flash.
 119  **/
 120 guint
 121 swfdec_gtk_keycode_from_hardware_keycode (guint hardware_keycode)
 122 {
 123   static const guint8 *keycodes = NULL;
 124
 125   if (G_UNLIKELY (keycodes == NULL))
 126     keycodes = compute_keycodes ();
 127
 128   if (hardware_keycode >= G_N_ELEMENTS (flash_keycodes_evdev))
 129     return 0;
 130   return keycodes[hardware_keycode];
 131 }