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Dogcows Code - chaz/openbox/blob - openbox/modkeys.c
dc5220825cc613eb5ab099580b1c8dab570aa28d
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 0xff /* 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
)
45 gint min_keycode
, max_keycode
, keysyms_per_keycode
;
47 /* reset the keys to not be bound to any masks */
48 for (i
= 0; i
< OB_MODKEY_NUM_KEYS
; ++i
)
51 modmap
= XGetModifierMapping(ob_display
);
52 g_assert(modmap
->max_keypermod
> 0);
54 XDisplayKeycodes(ob_display
, &min_keycode
, &max_keycode
);
55 keymap
= XGetKeyboardMapping(ob_display
, min_keycode
,
56 max_keycode
- min_keycode
+ 1,
57 &keysyms_per_keycode
);
59 /* go through each of the modifier masks (eg ShiftMask, CapsMask...) */
60 for (i
= 0; i
< NUM_MASKS
; ++i
) {
61 /* go through each keycode that is bound to the mask */
62 for (j
= 0; j
< modmap
->max_keypermod
; ++j
) {
64 /* get a keycode that is bound to the mask (i) */
65 KeyCode keycode
= modmap
->modifiermap
[i
*modmap
->max_keypermod
+ j
];
66 /* go through each keysym bound to the given keycode */
67 for (k
= 0; k
< keysyms_per_keycode
; ++k
) {
68 sym
= keymap
[(keycode
-min_keycode
) * keysyms_per_keycode
+ k
];
69 if (sym
!= NoSymbol
) {
70 /* bind the key to the mask (e.g. Alt_L => Mod1Mask) */
71 set_modkey_mask(nth_mask(i
), sym
);
79 void modkeys_shutdown(gboolean reconfigure
)
81 XFreeModifiermap(modmap
);
84 guint
modkeys_keycode_to_mask(guint keycode
)
89 if (keycode
== NoSymbol
) return 0;
91 /* go through each of the modifier masks (eg ShiftMask, CapsMask...) */
92 for (i
= 0; i
< NUM_MASKS
; ++i
) {
93 /* go through each keycode that is bound to the mask */
94 for (j
= 0; j
< modmap
->max_keypermod
; ++j
) {
95 /* compare with a keycode that is bound to the mask (i) */
96 if (modmap
->modifiermap
[i
*modmap
->max_keypermod
+ j
] == keycode
)
103 guint
modkeys_only_modifier_masks(guint mask
)
106 /* strip off these lock keys. they shouldn't affect key bindings */
107 mask
&= ~modkeys_key_to_mask(OB_MODKEY_KEY_CAPSLOCK
);
108 mask
&= ~modkeys_key_to_mask(OB_MODKEY_KEY_NUMLOCK
);
109 mask
&= ~modkeys_key_to_mask(OB_MODKEY_KEY_SCROLLLOCK
);
113 guint
modkeys_key_to_mask(ObModkeysKey key
)
115 return modkeys_keys
[key
];
118 static void set_modkey_mask(guchar mask
, KeySym sym
)
120 /* find what key this is, and bind it to the mask */
122 if (sym
== XK_Num_Lock
)
123 modkeys_keys
[OB_MODKEY_KEY_NUMLOCK
] |= mask
;
124 else if (sym
== XK_Scroll_Lock
)
125 modkeys_keys
[OB_MODKEY_KEY_SCROLLLOCK
] |= mask
;
126 else if (sym
== XK_Caps_Lock
)
127 modkeys_keys
[OB_MODKEY_KEY_CAPSLOCK
] |= mask
;
128 else if (sym
== XK_Shift_L
|| sym
== XK_Shift_R
)
129 modkeys_keys
[OB_MODKEY_KEY_SHIFT
] |= mask
;
130 else if (sym
== XK_Control_L
|| sym
== XK_Control_R
)
131 modkeys_keys
[OB_MODKEY_KEY_CONTROL
] |= mask
;
132 else if (sym
== XK_Super_L
|| sym
== XK_Super_R
)
133 modkeys_keys
[OB_MODKEY_KEY_SUPER
] |= mask
;
134 else if (sym
== XK_Hyper_L
|| sym
== XK_Hyper_R
)
135 modkeys_keys
[OB_MODKEY_KEY_HYPER
] |= mask
;
136 else if (sym
== XK_Alt_L
|| sym
== XK_Alt_R
)
137 modkeys_keys
[OB_MODKEY_KEY_ALT
] |= mask
;
138 else if (sym
== XK_Meta_L
|| sym
== XK_Meta_R
)
139 modkeys_keys
[OB_MODKEY_KEY_META
] |= mask
;
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