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Fix up CapsLock and NumLock handling for non-XKB. Add a special case hack

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Mon Aug 25 16:15:41 2003  Owen Taylor  <otaylor@redhat.com>

        * gdk/x11/gdkkeys-x11.c: Fix up CapsLock and
        NumLock handling for non-XKB. Add a special case
        hack for NumLock on Sun servers. (Patch from
        Robert Basch, #115819)
This commit is contained in:
Owen Taylor
2003-08-25 20:22:39 +00:00
committed by Owen Taylor
parent 04a47f28c2
commit 378005c65e
6 changed files with 123 additions and 48 deletions
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136
gdk/x11/gdkkeys-x11.c
View File

@ -70,6 +70,7 @@ struct _GdkKeymapX11
guint lock_keysym;
GdkModifierType group_switch_mask;
GdkModifierType num_lock_mask;
gboolean sun_keypad;
PangoDirection current_direction;
gboolean have_direction;
guint current_serial;
@ -124,6 +125,7 @@ gdk_keymap_x11_init (GdkKeymapX11 *keymap)
keymap->mod_keymap = NULL;
keymap->num_lock_mask = 0;
keymap->sun_keypad = FALSE;
keymap->group_switch_mask = 0;
keymap->lock_keysym = GDK_Caps_Lock;
keymap->have_direction = FALSE;
@ -285,69 +287,85 @@ update_keymaps (GdkKeymapX11 *keymap_x11)
keymap_x11->group_switch_mask = 0;
keymap_x11->num_lock_mask = 0;
/* there are 8 modifiers, and the first 3 are shift, shift lock,
* and control
/* There are 8 sets of modifiers, with each set containing
* max_keypermod keycodes.
*/
map_size = 8 * keymap_x11->mod_keymap->max_keypermod;
i = 3 * keymap_x11->mod_keymap->max_keypermod;
while (i < map_size)
for (i = 0; i < map_size; i++)
{
/* get the key code at this point in the map,
* see if its keysym is GDK_Mode_switch, if so
* we have the mode key
*/
/* Get the key code at this point in the map. */
gint keycode = keymap_x11->mod_keymap->modifiermap[i];
if (keycode >= keymap_x11->min_keycode &&
keycode <= keymap_x11->max_keycode)
{
gint j;
KeySym *syms = keymap_x11->keymap + (keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
/* GDK_MOD1_MASK is 1 << 3 for example, i.e. the
* fourth modifier, i / keyspermod is the modifier
* index
*/
guint mask = 1 << ( i / keymap_x11->mod_keymap->max_keypermod);
gint j;
KeySym *syms;
if (mask == GDK_LOCK_MASK)
/* Ignore invalid keycodes. */
if (keycode < keymap_x11->min_keycode ||
keycode > keymap_x11->max_keycode)
continue;
syms = keymap_x11->keymap + (keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
/* The fourth modifier, GDK_MOD1_MASK is 1 << 3.
* Each group of max_keypermod entries refers to the same modifier.
*/
guint mask = 1 << (i / keymap_x11->mod_keymap->max_keypermod);
switch (mask)
{
case GDK_LOCK_MASK:
/* Get the Lock keysym. If any keysym bound to the Lock modifier
* is Caps_Lock, we will interpret the modifier as Caps_Lock;
* otherwise, if any is bound to Shift_Lock, we will interpret
* the modifier as Shift_Lock. Otherwise, the lock modifier
* has no effect.
*/
for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
{
for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
{
if (syms[j] == GDK_Caps_Lock)
keymap_x11->lock_keysym = syms[j];
else if (syms[j] == GDK_Shift_Lock && keymap_x11->lock_keysym == GDK_VoidSymbol)
keymap_x11->lock_keysym = syms[j];
}
if (syms[j] == GDK_Caps_Lock)
keymap_x11->lock_keysym = GDK_Caps_Lock;
else if (syms[j] == GDK_Shift_Lock &&
keymap_x11->lock_keysym == GDK_VoidSymbol)
keymap_x11->lock_keysym = GDK_Shift_Lock;
}
/* Some keyboard maps are known to map Mode_Switch as an extra
* Mod1 key. In circumstances like that, it won't be used to
* switch groups.
*/
if (mask == GDK_CONTROL_MASK || mask == GDK_SHIFT_MASK ||
mask == GDK_LOCK_MASK || mask == GDK_MOD1_MASK)
goto next;
break;
case GDK_CONTROL_MASK:
case GDK_SHIFT_MASK:
case GDK_MOD1_MASK:
/* Some keyboard maps are known to map Mode_Switch as an
* extra Mod1 key. In circumstances like that, it won't be
* used to switch groups.
*/
break;
default:
/* Find the Mode_Switch and Num_Lock modifiers. */
for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
{
if (syms[j] == GDK_Mode_switch)
{
/* This modifier swaps groups */
keymap_x11->group_switch_mask |= mask;
}
if (syms[j] == GDK_Num_Lock)
else if (syms[j] == GDK_Num_Lock)
{
/* This modifier swaps groups */
/* This modifier is used for Num_Lock */
keymap_x11->num_lock_mask |= mask;
}
}
break;
}
next:
++i;
}
/* Hack: The Sun X server puts the keysym to use when the Num Lock
* modifier is on in the third element of the keysym array, instead
* of the second.
*/
if ((strcmp (ServerVendor (xdisplay), "Sun Microsystems, Inc.") == 0) &&
(keymap_x11->keysyms_per_keycode > 2))
keymap_x11->sun_keypad = TRUE;
else
keymap_x11->sun_keypad = FALSE;
}
}
@ -991,6 +1009,7 @@ translate_keysym (GdkKeymapX11 *keymap_x11,
GdkModifierType shift_modifiers;
gint shift_level;
guint tmp_keyval;
gint num_lock_index;
shift_modifiers = GDK_SHIFT_MASK;
if (keymap_x11->lock_keysym == GDK_Shift_Lock)
@ -1002,13 +1021,34 @@ translate_keysym (GdkKeymapX11 *keymap_x11,
(SYM (keymap_x11, 0, 0) || SYM (keymap_x11, 0, 1)))
group = 0;
if ((state & GDK_SHIFT_MASK) != 0 &&
KEYSYM_IS_KEYPAD (SYM (keymap_x11, group, 1)))
/* Hack: On Sun, the Num Lock modifier uses the third element in the
* keysym array, and Mode_Switch does not apply for a keypad key.
*/
if (keymap_x11->sun_keypad)
{
num_lock_index = 2;
if (group != 0)
{
gint i;
for (i = 0; i < keymap_x11->keysyms_per_keycode; i++)
if (KEYSYM_IS_KEYPAD (SYM (keymap_x11, 0, i)))
group = 0;
}
}
else
num_lock_index = 1;
if ((state & keymap_x11->num_lock_mask) &&
KEYSYM_IS_KEYPAD (SYM (keymap_x11, group, num_lock_index)))
{
/* Shift, Shift_Lock cancel Num_Lock
*/
shift_level = (state & shift_modifiers) ? 0 : 1;
shift_level = (state & shift_modifiers) ? 0 : num_lock_index;
if (!SYM (keymap_x11, group, shift_level) && SYM (keymap_x11, group, 0))
shift_level = 0;
tmp_keyval = SYM (keymap_x11, group, shift_level);
}
else
@ -1022,7 +1062,7 @@ translate_keysym (GdkKeymapX11 *keymap_x11,
tmp_keyval = SYM (keymap_x11, group, shift_level);
if (keymap_x11->lock_keysym == GDK_Caps_Lock && (state & GDK_SHIFT_MASK) != 0)
if (keymap_x11->lock_keysym == GDK_Caps_Lock && (state & GDK_LOCK_MASK) != 0)
{
guint upper = gdk_keyval_to_upper (tmp_keyval);
if (upper != tmp_keyval)