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Handle keyboards with ShiftLock (and not CapsLock) correctly. (#161814)

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2005-01-19  Tor Lillqvist  <tml@novell.com>

	* gdk/win32/gdkkeys-win32.c (update_keymap,
	gdk_keymap_translate_keyboard_state): Handle keyboards with
	ShiftLock (and not CapsLock) correctly. (#161814)
This commit is contained in:
Tor Lillqvist 2005-01-19 22:48:30 +00:00 committed by Tor Lillqvist
parent 895e943360
commit d2b62140cd
4 changed files with 100 additions and 27 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2005-01-19 Tor Lillqvist <tml@novell.com>
* gdk/win32/gdkkeys-win32.c (update_keymap,
gdk_keymap_translate_keyboard_state): Handle keyboards with
ShiftLock (and not CapsLock) correctly. (#161814)
2005-01-19 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkfilechooserdefault.c (gtk_file_chooser_default_should_respond):

6
ChangeLog.pre-2-10
View File

@ -1,3 +1,9 @@
2005-01-19 Tor Lillqvist <tml@novell.com>
* gdk/win32/gdkkeys-win32.c (update_keymap,
gdk_keymap_translate_keyboard_state): Handle keyboards with
ShiftLock (and not CapsLock) correctly. (#161814)
2005-01-19 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkfilechooserdefault.c (gtk_file_chooser_default_should_respond):

6
ChangeLog.pre-2-8
View File

@ -1,3 +1,9 @@
2005-01-19 Tor Lillqvist <tml@novell.com>
* gdk/win32/gdkkeys-win32.c (update_keymap,
gdk_keymap_translate_keyboard_state): Handle keyboards with
ShiftLock (and not CapsLock) correctly. (#161814)
2005-01-19 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkfilechooserdefault.c (gtk_file_chooser_default_should_respond):

109
gdk/win32/gdkkeys-win32.c
View File

@ -40,6 +40,7 @@
guint _gdk_keymap_serial = 0;
gboolean _gdk_keyboard_has_altgr = FALSE;
static GdkModifierType gdk_shift_modifiers = GDK_SHIFT_MASK;
static GdkKeymap *default_keymap = NULL;
@ -51,7 +52,9 @@ print_keysym_tab (void)
{
gint vk;
g_print ("keymap:%s\n", _gdk_keyboard_has_altgr ? " (uses AltGr)" : "");
g_print ("keymap:%s%s\n",
_gdk_keyboard_has_altgr ? " (uses AltGr)" : "",
(gdk_shift_modifiers & GDK_LOCK_MASK) ? " (has ShiftLock)" : "");
for (vk = 0; vk < 256; vk++)
{
gint state;
@ -74,9 +77,9 @@ update_keymap (void)
{
static guint current_serial = 0;
guchar key_state[256], temp_key_state[256];
wchar_t wcs[1];
guint scancode;
guint vk;
gboolean capslock_tested = FALSE;
if (keysym_tab != NULL && current_serial == _gdk_keymap_serial)
return;
@ -89,6 +92,7 @@ update_keymap (void)
memset (key_state, 0, sizeof (key_state));
_gdk_keyboard_has_altgr = FALSE;
gdk_shift_modifiers = GDK_SHIFT_MASK;
for (vk = 0; vk < 256; vk++)
{
@ -266,6 +270,7 @@ update_keymap (void)
}
if (*ksymp == 0)
{
wchar_t wcs[1];
gint k = ToAsciiEx (vk, scancode, key_state,
(LPWORD) chars, 0, _gdk_input_locale);
#if 0
@ -381,12 +386,53 @@ update_keymap (void)
*ksymp = GDK_VoidSymbol;
}
key_state[vk] = 0;
/* Check if keyboard has an AltGr key by checking if
* the mapping with Control+Alt is different.
*/
if (!_gdk_keyboard_has_altgr)
if ((keysym_tab[vk*4 + 2] != GDK_VoidSymbol &&
keysym_tab[vk*4] != keysym_tab[vk*4 + 2]) ||
(keysym_tab[vk*4 + 3] != GDK_VoidSymbol &&
keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 3]))
_gdk_keyboard_has_altgr = TRUE;
if (!capslock_tested)
{
/* Can we use this virtual key to determine the CapsLock
* key behaviour: CapsLock or ShiftLock? If it generates
* keysyms for printable characters and has a shifted
* keysym that isn't just the upperacase of the
* unshifted keysym, check the behaviour of VK_CAPITAL.
*/
if (g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 0])) &&
keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 0] &&
g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 1])) &&
keysym_tab[vk*4 + 1] != gdk_keyval_to_upper (keysym_tab[vk*4 + 0]))
{
guchar chars[2];
capslock_tested = TRUE;
key_state[VK_SHIFT] = 0;
key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
key_state[VK_CAPITAL] = 1;
if (ToAsciiEx (vk, scancode, key_state,
(LPWORD) chars, 0, _gdk_input_locale) == 1)
{
if (chars[0] >= GDK_space &&
chars[0] <= GDK_asciitilde &&
chars[0] == keysym_tab[vk*4 + 1])
{
/* CapsLock acts as ShiftLock */
gdk_shift_modifiers |= GDK_LOCK_MASK;
}
}
key_state[VK_CAPITAL] = 0;
}
}
}
if ((keysym_tab[vk*4 + 2] != GDK_VoidSymbol &&
keysym_tab[vk*4] != keysym_tab[vk*4 + 2]) ||
(keysym_tab[vk*4 + 3] != GDK_VoidSymbol &&
keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 3]))
_gdk_keyboard_has_altgr = TRUE;
}
GDK_NOTE (EVENTS, print_keysym_tab ());
}
@ -633,7 +679,6 @@ gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
GdkModifierType *consumed_modifiers)
{
guint tmp_keyval;
guint tmp_modifiers;
guint *keyvals;
gint shift_level;
gboolean ignore_shift = FALSE;
@ -669,12 +714,15 @@ gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
keyvals = keysym_tab + hardware_keycode*4;
if ((state & GDK_SHIFT_MASK) &&
(state & GDK_LOCK_MASK) &&
keyvals[group*2 + 1] == gdk_keyval_to_upper (keyvals[group*2 + 0]))
/* Shift disables caps lock */
shift_level = 0;
else if (state & GDK_SHIFT_MASK)
if ((state & GDK_LOCK_MASK) &&
(state & GDK_SHIFT_MASK) &&
((gdk_shift_modifiers & GDK_LOCK_MASK) ||
(keyvals[group*2 + 1] == gdk_keyval_to_upper (keyvals[group*2 + 0]))))
/* Shift always disables ShiftLock. Shift disables CapsLock for
* keys with lowercase/uppercase letter pairs.
*/
shift_level = 0;
else if (state & gdk_shift_modifiers)
shift_level = 1;
else
shift_level = 0;
@ -720,28 +768,35 @@ gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
tmp_keyval = keyvals[group*2 + shift_level];
tmp_modifiers = ignore_group ? 0 : GDK_MOD2_MASK;
tmp_modifiers |= ignore_shift ? 0 : (GDK_SHIFT_MASK | GDK_LOCK_MASK);
/* If a true CapsLock is toggled, and Shift is not down,
* and the shifted keysym is the uppercase of the unshifted,
* use it.
*/
if (!(gdk_shift_modifiers & GDK_LOCK_MASK) &&
!(state & GDK_SHIFT_MASK) &&
(state & GDK_LOCK_MASK))
{
guint upper = gdk_keyval_to_upper (tmp_keyval);
if (upper == keyvals[group*2 + 1])
tmp_keyval = upper;
}
if (keyval)
*keyval = tmp_keyval;
if (effective_group)
*effective_group = group;
if (!(state & GDK_SHIFT_MASK) && (state & GDK_LOCK_MASK))
{
guint upper = gdk_keyval_to_upper (tmp_keyval);
if (upper != tmp_keyval)
tmp_keyval = upper;
}
if (level)
*level = shift_level;
if (consumed_modifiers)
*consumed_modifiers = tmp_modifiers;
{
*consumed_modifiers =
(ignore_group ? 0 : GDK_MOD2_MASK) |
(ignore_shift ? 0 : (GDK_SHIFT_MASK|GDK_LOCK_MASK));
}
if (keyval)
*keyval = tmp_keyval;
#if 0
GDK_NOTE (EVENTS, g_print ("...group=%d level=%d cmods=%#x keyval=%s\n",
group, shift_level, tmp_modifiers, gdk_keyval_name (tmp_keyval)));