]>
Dogcows Code - chaz/openbox/blob - openbox/modkeys.c
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.
23 #include <X11/keysym.h>
25 /* These masks are constants and the modifier keys are bound to them as
27 ShiftMask (1<<0), LockMask (1<<1), ControlMask (1<<2), Mod1Mask (1<<3),
28 Mod2Mask (1<<4), Mod3Mask (1<<5), Mod4Mask (1<<6), Mod5Mask (1<<7)
31 #define ALL_MASKS 0xff /* an or'ing of all 8 keyboard masks */
33 /* Get the bitflag for the n'th modifier mask */
34 #define nth_mask(n) (1 << n)
36 static void set_modkey_mask(guchar mask
, KeySym sym
);
38 /* This is 8 lists of keycodes that are bound to the given mod mask.
39 If contains more than the one given to us by X cuz XKB is weird apparently.
40 We will look up all keycodes for a given keysym that is bound to the mask,
41 and add them all here.
43 With XKB, you can have a keycode bound to a modifier that isn't in the
44 modifier map somehow. So this means that when we try translate from the
45 KeyRelease to a mod mask, we are unable to. So this array stores *all*
46 the KeyCodes for each KeySym for each KeyCode bound to a mod mask.
49 ModMask -> n KeyCodes -> n*m KeySyms (up to m for each KeyCode) ->
50 n*m*p KeyCodes (up to p for each KeySym)
52 static GArray
*modmap
[NUM_MASKS
];
53 static KeySym
*keymap
;
54 static gint min_keycode
, max_keycode
, keysyms_per_keycode
;
55 /* This is a bitmask of the different masks for each modifier key */
56 static guchar modkeys_keys
[OB_MODKEY_NUM_KEYS
];
58 static gboolean alt_l
= FALSE
;
59 static gboolean meta_l
= FALSE
;
60 static gboolean super_l
= FALSE
;
61 static gboolean hyper_l
= FALSE
;
63 void modkeys_startup(gboolean reconfigure
)
65 static XModifierKeymap
*xmodmap
;
68 /* reset the keys to not be bound to any masks */
69 for (i
= 0; i
< OB_MODKEY_NUM_KEYS
; ++i
)
72 xmodmap
= XGetModifierMapping(ob_display
);
73 g_assert(xmodmap
->max_keypermod
> 0);
75 XDisplayKeycodes(ob_display
, &min_keycode
, &max_keycode
);
76 keymap
= XGetKeyboardMapping(ob_display
, min_keycode
,
77 max_keycode
- min_keycode
+ 1,
78 &keysyms_per_keycode
);
80 alt_l
= meta_l
= super_l
= hyper_l
= FALSE
;
82 /* go through each of the modifier masks (eg ShiftMask, CapsMask...) */
83 for (i
= 0; i
< NUM_MASKS
; ++i
) {
84 /* reset the modmap list */
85 modmap
[i
] = g_array_new(FALSE
, FALSE
, sizeof(KeyCode
));
87 /* go through each keycode that is bound to the mask */
88 for (j
= 0; j
< xmodmap
->max_keypermod
; ++j
) {
90 /* get a keycode that is bound to the mask (i) */
91 KeyCode keycode
= xmodmap
->modifiermap
[i
*xmodmap
->max_keypermod
+j
];
93 /* go through each keysym bound to the given keycode */
94 for (k
= 0; k
< keysyms_per_keycode
; ++k
) {
95 sym
= keymap
[(keycode
-min_keycode
) * keysyms_per_keycode
+
97 if (sym
!= NoSymbol
) {
98 /* find all keycodes for the given keysym */
99 for (l
= min_keycode
; l
<= max_keycode
; ++l
)
100 for (m
= 0; m
< keysyms_per_keycode
; ++m
)
101 if (keymap
[(l
-min_keycode
) *
102 keysyms_per_keycode
+ m
] == sym
)
104 /* add all keycodes for the keysym to our
106 g_array_append_val(modmap
[i
], l
);
109 /* bind the key to the mask (e.g. Alt_L => Mod1Mask) */
110 set_modkey_mask(nth_mask(i
), sym
);
117 /* CapsLock, Shift, and Control are special and hard-coded */
118 modkeys_keys
[OB_MODKEY_KEY_CAPSLOCK
] = LockMask
;
119 modkeys_keys
[OB_MODKEY_KEY_SHIFT
] = ShiftMask
;
120 modkeys_keys
[OB_MODKEY_KEY_CONTROL
] = ControlMask
;
122 XFreeModifiermap(xmodmap
);
125 void modkeys_shutdown(gboolean reconfigure
)
129 for (i
= 0; i
< NUM_MASKS
; ++i
)
130 g_array_free(modmap
[i
], TRUE
);
134 guint
modkeys_keycode_to_mask(guint keycode
)
139 if (keycode
== NoSymbol
) return 0;
141 /* go through each of the modifier masks (eg ShiftMask, CapsMask...) */
142 for (i
= 0; i
< NUM_MASKS
; ++i
) {
143 /* go through each keycode that is bound to the mask */
144 for (j
= 0; j
< modmap
[i
]->len
; ++j
) {
145 /* compare with a keycode that is bound to the mask (i) */
146 if (g_array_index(modmap
[i
], KeyCode
, j
) == keycode
)
153 guint
modkeys_only_modifier_masks(guint mask
)
156 /* strip off these lock keys. they shouldn't affect key bindings */
157 mask
&= ~LockMask
; /* use the LockMask, not what capslock is bound to,
158 because you could bind it to something else and it
159 should work as that modifier then. i think capslock
161 mask
&= ~modkeys_key_to_mask(OB_MODKEY_KEY_NUMLOCK
);
162 mask
&= ~modkeys_key_to_mask(OB_MODKEY_KEY_SCROLLLOCK
);
166 guint
modkeys_key_to_mask(ObModkeysKey key
)
168 return modkeys_keys
[key
];
171 static void set_modkey_mask(guchar mask
, KeySym sym
)
173 /* find what key this is, and bind it to the mask */
175 if (sym
== XK_Num_Lock
)
176 modkeys_keys
[OB_MODKEY_KEY_NUMLOCK
] |= mask
;
177 else if (sym
== XK_Scroll_Lock
)
178 modkeys_keys
[OB_MODKEY_KEY_SCROLLLOCK
] |= mask
;
180 else if (sym
== XK_Super_L
&& super_l
)
181 modkeys_keys
[OB_MODKEY_KEY_SUPER
] |= mask
;
182 else if (sym
== XK_Super_L
&& !super_l
)
183 /* left takes precident over right, so erase any masks the right
185 modkeys_keys
[OB_MODKEY_KEY_SUPER
] = mask
, super_l
= TRUE
;
186 else if (sym
== XK_Super_R
&& !super_l
)
187 modkeys_keys
[OB_MODKEY_KEY_SUPER
] |= mask
;
189 else if (sym
== XK_Hyper_L
&& hyper_l
)
190 modkeys_keys
[OB_MODKEY_KEY_HYPER
] |= mask
;
191 else if (sym
== XK_Hyper_L
&& !hyper_l
)
192 modkeys_keys
[OB_MODKEY_KEY_HYPER
] = mask
, hyper_l
= TRUE
;
193 else if (sym
== XK_Hyper_R
&& !hyper_l
)
194 modkeys_keys
[OB_MODKEY_KEY_HYPER
] |= mask
;
196 else if (sym
== XK_Alt_L
&& alt_l
)
197 modkeys_keys
[OB_MODKEY_KEY_ALT
] |= mask
;
198 else if (sym
== XK_Alt_L
&& !alt_l
)
199 modkeys_keys
[OB_MODKEY_KEY_ALT
] = mask
, alt_l
= TRUE
;
200 else if (sym
== XK_Alt_R
&& !alt_l
)
201 modkeys_keys
[OB_MODKEY_KEY_ALT
] |= mask
;
203 else if (sym
== XK_Meta_L
&& meta_l
)
204 modkeys_keys
[OB_MODKEY_KEY_META
] |= mask
;
205 else if (sym
== XK_Meta_L
&& !meta_l
)
206 modkeys_keys
[OB_MODKEY_KEY_META
] = mask
, meta_l
= TRUE
;
207 else if (sym
== XK_Meta_R
&& !meta_l
)
208 modkeys_keys
[OB_MODKEY_KEY_META
] |= mask
;
210 /* CapsLock, Shift, and Control are special and hard-coded */
213 KeyCode
modkeys_sym_to_code(KeySym sym
)
217 /* go through each keycode and look for the keysym */
218 for (i
= min_keycode
; i
<= max_keycode
; ++i
)
219 for (j
= 0; j
< keysyms_per_keycode
; ++j
)
220 if (sym
== keymap
[(i
-min_keycode
) * keysyms_per_keycode
+ j
])
This page took 0.047196 seconds and 5 git commands to generate.