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Dogcows Code - chaz/openbox/blob - openbox/modkeys.c
4f0ddca94c078fae96cdc1ae8c5195d762e5dea2
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 modkeys.c for the Openbox window manager
4 Copyright (c) 2007 Dana Jansens
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 See the COPYING file for a copy of the GNU General Public License.
24 /* These masks are constants and the modifier keys are bound to them as
26 ShiftMask (1<<0), LockMask (1<<1), ControlMask (1<<2), Mod1Mask (1<<3),
27 Mod2Mask (1<<4), Mod3Mask (1<<5), Mod4Mask (1<<6), Mod5Mask (1<<7)
30 #define ALL_MASKS 0xf /* an or'ing of all 8 keyboard masks */
32 /* Get the bitflag for the n'th modifier mask */
33 #define nth_mask(n) (1 << n)
35 static void set_modkey_mask(guchar mask
, KeySym sym
);
37 static XModifierKeymap
*modmap
;
38 /* This is a bitmask of the different masks for each modifier key */
39 static guchar modkeys_keys
[OB_MODKEY_NUM_KEYS
];
41 void modkeys_startup(gboolean reconfigure
)
43 /* keycodes for the modifier keys which will be bound to the masks */
46 modmap
= XGetModifierMapping(ob_display
);
47 g_assert(modmap
->max_keypermod
> 0);
49 /* reset the keys to not be bound to any masks */
50 for (i
= 0; i
< OB_MODKEY_NUM_KEYS
; ++i
)
53 /* go through each of the modifier masks (eg ShiftMask, CapsMask...) */
54 for (i
= 0; i
< NUM_MASKS
; ++i
) {
55 /* go through each keycode that is bound to the mask */
56 for (j
= 0; j
< modmap
->max_keypermod
; ++j
) {
58 /* get a keycode that is bound to the mask (i) */
59 KeyCode keycode
= modmap
->modifiermap
[i
*modmap
->max_keypermod
+ j
];
60 /* go through each keysym bound to the given keycode */
62 sym
= XKeycodeToKeysym(ob_display
, keycode
, k
);
63 if (sym
== NoSymbol
) break;
65 /* bind the key to the mask (e.g. Alt_L => Mod1Mask) */
66 set_modkey_mask(nth_mask(i
), sym
);
72 void modkeys_shutdown(gboolean reconfigure
)
74 XFreeModifiermap(modmap
);
77 guint
modkeys_keycode_to_mask(guint keycode
)
82 if (keycode
== NoSymbol
) return 0;
84 /* go through each of the modifier masks (eg ShiftMask, CapsMask...) */
85 for (i
= 0; i
< NUM_MASKS
; ++i
) {
86 /* go through each keycode that is bound to the mask */
87 for (j
= 0; j
< modmap
->max_keypermod
; ++j
) {
88 /* compare with a keycode that is bound to the mask (i) */
89 if (modmap
->modifiermap
[i
*modmap
->max_keypermod
+ j
] == keycode
)
96 guint
modkeys_only_modifier_masks(guint mask
)
99 /* strip off these lock keys. they shouldn't affect key bindings */
100 mask
&= ~modkeys_key_to_mask(OB_MODKEY_KEY_CAPSLOCK
);
101 mask
&= ~modkeys_key_to_mask(OB_MODKEY_KEY_NUMLOCK
);
102 mask
&= ~modkeys_key_to_mask(OB_MODKEY_KEY_SCROLLLOCK
);
106 guint
modkeys_key_to_mask(ObModkeysKey key
)
108 return modkeys_keys
[key
];
111 static void set_modkey_mask(guchar mask
, KeySym sym
)
113 /* find what key this is, and bind it to the mask */
115 if (sym
== XK_Num_Lock
)
116 modkeys_keys
[OB_MODKEY_KEY_NUMLOCK
] |= mask
;
117 else if (sym
== XK_Scroll_Lock
)
118 modkeys_keys
[OB_MODKEY_KEY_SCROLLLOCK
] |= mask
;
119 else if (sym
== XK_Caps_Lock
)
120 modkeys_keys
[OB_MODKEY_KEY_CAPSLOCK
] |= mask
;
121 else if (sym
== XK_Shift_L
|| sym
== XK_Shift_R
)
122 modkeys_keys
[OB_MODKEY_KEY_SHIFT
] |= mask
;
123 else if (sym
== XK_Control_L
|| sym
== XK_Control_R
)
124 modkeys_keys
[OB_MODKEY_KEY_CONTROL
] |= mask
;
125 else if (sym
== XK_Super_L
|| sym
== XK_Super_R
)
126 modkeys_keys
[OB_MODKEY_KEY_SUPER
] |= mask
;
127 else if (sym
== XK_Hyper_L
|| sym
== XK_Hyper_R
)
128 modkeys_keys
[OB_MODKEY_KEY_HYPER
] |= mask
;
129 else if (sym
== XK_Alt_L
|| sym
== XK_Alt_R
)
130 modkeys_keys
[OB_MODKEY_KEY_ALT
] |= mask
;
131 else if (sym
== XK_Meta_L
|| sym
== XK_Meta_R
)
132 modkeys_keys
[OB_MODKEY_KEY_META
] |= mask
;
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