1 files changed, 135 insertions, 0 deletions
diff --git a/source/xkb.c b/source/xkb.c
new file mode 100644
index 00000000..4bd5ba7d
--- /dev/null
+++ b/source/xkb.c
@@ -0,0 +1,135 @@
+/**
+ *   MIT/X11 License
+ *   Modified  (c) 2017 Quentin “Sardem FF7” Glidic
+ *
+ *   Permission is hereby granted, free of charge, to any person obtaining
+ *   a copy of this software and associated documentation files (the
+ *   "Software"), to deal in the Software without restriction, including
+ *   without limitation the rights to use, copy, modify, merge, publish,
+ *   distribute, sublicense, and/or sell copies of the Software, and to
+ *   permit persons to whom the Software is furnished to do so, subject to
+ *   the following conditions:
+ *
+ *   The above copyright notice and this permission notice shall be
+ *   included in all copies or substantial portions of the Software.
+ *
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ *   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ *   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ *   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ *   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ *   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <locale.h>
+
+#include <glib.h>
+#include <glib/gstdio.h>
+#include <cairo.h>
+#include <xkbcommon/xkbcommon.h>
+#include <xkbcommon/xkbcommon-compose.h>
+
+#include "xkb.h"
+
+static void xkb_find_mod_mask ( xkb_stuff *xkb, widget_modifier mod, ... )
+{
+    va_list         names;
+    const char      *name;
+    xkb_mod_index_t i, *m = xkb->mods[mod];
+    va_start ( names, mod );
+    while ( ( name = va_arg ( names, const char * ) ) != NULL ) {
+        i = xkb_keymap_mod_get_index ( xkb->keymap, name );
+        if ( i != XKB_MOD_INVALID ) {
+            *m++ = i;
+        }
+    }
+    *m = XKB_MOD_INVALID;
+    va_end ( names );
+}
+
+void xkb_common_init ( xkb_stuff *xkb )
+{
+    xkb->compose.table = xkb_compose_table_new_from_locale ( xkb->context, setlocale ( LC_CTYPE, NULL ), 0 );
+    if ( xkb->compose.table != NULL ) {
+        xkb->compose.state = xkb_compose_state_new ( xkb->compose.table, 0 );
+    }
+
+    xkb_find_mod_mask ( xkb, WIDGET_MOD_SHIFT, XKB_MOD_NAME_SHIFT, NULL );
+    xkb_find_mod_mask ( xkb, WIDGET_MOD_CONTROL, XKB_MOD_NAME_CTRL, NULL );
+    xkb_find_mod_mask ( xkb, WIDGET_MOD_ALT, XKB_MOD_NAME_ALT, "Alt", "LAlt", "RAlt", "AltGr", "Mod5", "LevelThree", NULL );
+    xkb_find_mod_mask ( xkb, WIDGET_MOD_META, "Meta", NULL );
+    xkb_find_mod_mask ( xkb, WIDGET_MOD_SUPER, XKB_MOD_NAME_LOGO, "Super", NULL );
+    xkb_find_mod_mask ( xkb, WIDGET_MOD_HYPER, "Hyper", NULL );
+}
+
+widget_modifier_mask
+xkb_get_modmask(xkb_stuff *xkb, xkb_keysym_t key)
+{
+    widget_modifier_mask mask = 0;
+    widget_modifier mod;
+    xkb_mod_index_t *i;
+    for ( mod = 0; mod < NUM_WIDGET_MOD; ++mod ) {
+        gboolean found = FALSE;
+        for ( i = xkb->mods[mod] ; ! found && *i != XKB_MOD_INVALID ; ++i ) {
+            found = ( xkb_state_mod_index_is_active(xkb->state, *i, XKB_STATE_MODS_EFFECTIVE) && ! xkb_state_mod_index_is_consumed(xkb->state, key, *i) );
+        }
+        if ( found )
+            mask |= (1 << mod);
+    }
+    return mask;
+}
+
+xkb_keysym_t
+xkb_handle_key(xkb_stuff *xkb, xkb_keycode_t key, char **text, int *length)
+{
+    xkb_keysym_t keysym;
+    static char  pad[32] = "";
+    int          len = 0;
+
+    *text = NULL;
+    *length = 0;
+
+    keysym = xkb_state_key_get_one_sym ( xkb->state, key );
+
+    if ( xkb->compose.state != NULL ) {
+        if ( ( keysym != XKB_KEY_NoSymbol ) && ( xkb_compose_state_feed ( xkb->compose.state, keysym ) == XKB_COMPOSE_FEED_ACCEPTED ) ) {
+            switch ( xkb_compose_state_get_status ( xkb->compose.state ) )
+            {
+            case XKB_COMPOSE_CANCELLED:
+            /* Eat the keysym that cancelled the compose sequence.
+             * This is default behaviour with Xlib */
+            case XKB_COMPOSE_COMPOSING:
+                keysym = XKB_KEY_NoSymbol;
+                break;
+            case XKB_COMPOSE_COMPOSED:
+                keysym = xkb_compose_state_get_one_sym ( xkb->compose.state );
+                len = xkb_compose_state_get_utf8 ( xkb->compose.state, pad, sizeof ( pad ) );
+                *text = pad;
+                break;
+            case XKB_COMPOSE_NOTHING:
+                break;
+            }
+            if ( ( keysym == XKB_KEY_NoSymbol ) && ( len == 0 ) ) {
+                return XKB_KEY_NoSymbol;
+            }
+        }
+    }
+
+    if ( len == 0 ) {
+        len = xkb_state_key_get_utf8 ( xkb->state, key, pad, sizeof ( pad ) );
+        *text = pad;
+    }
+
+    *length = len;
+
+    return keysym;
+}