Changeset d15815e2 in mainline for uspace/srv/kbd/layout/cz.c

Timestamp:

2009-04-15T22:01:18Z (15 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f0707ab

Parents:

9239333

Message:

Implement Czech combinator keys (hacek and carka).

File:

• uspace/srv/kbd/layout/cz.c (modified) (4 diffs)

uspace/srv/kbd/layout/cz.c

@@ -35 +35 @@
 #include <kbd/kbd.h>
 #include <kbd/keycode.h>
+#include <bool.h>
 #include <layout.h>
 
+static void layout_reset(void);
 static wchar_t layout_parse_ev(kbd_event_t *ev);
 
+enum m_state {
+        ms_start,
+        ms_hacek,
+        ms_carka        
+};
+
+static enum m_state mstate;
+
 layout_op_t cz_op = {
+        layout_reset,
         layout_parse_ev
 };
@@ -201 +212 @@
 };
 
+static wchar_t map_hacek_lcase[] = {
+        [KC_E] = L'ě',
+        [KC_R] = L'ř',
+        [KC_T] = L'ť',
+        [KC_Y] = L'ž',
+        [KC_U] = L'ů',
+
+        [KC_S] = L'š',
+        [KC_D] = L'ď',
+
+        [KC_C] = L'č',
+        [KC_N] = L'ň'
+};
+
+static wchar_t map_hacek_ucase[] = {
+        [KC_E] = L'Ě',
+        [KC_R] = L'Ř',
+        [KC_T] = L'Ť',
+        [KC_Y] = L'Ž',
+        [KC_U] = L'Ů',
+
+        [KC_S] = L'Š',
+        [KC_D] = L'Ď',
+
+        [KC_C] = L'Č',
+        [KC_N] = L'Ň'
+};
+
+static wchar_t map_carka_lcase[] = {
+        [KC_E] = L'é',
+        [KC_U] = L'ú',
+        [KC_I] = L'í',
+        [KC_O] = L'ó',
+
+        [KC_A] = L'á',
+
+        [KC_Z] = L'ý',
+};
+
+static wchar_t map_carka_ucase[] = {
+        [KC_E] = L'É',
+        [KC_U] = L'Ú',
+        [KC_I] = L'Í',
+        [KC_O] = L'Ó',
+
+        [KC_A] = L'Á',
+
+        [KC_Z] = L'Ý',
+};
+
 static wchar_t translate(unsigned int key, wchar_t *map, size_t map_length)
 {
@@ -208 +269 @@
 }
 
-static wchar_t layout_parse_ev(kbd_event_t *ev)
+static wchar_t parse_ms_hacek(kbd_event_t *ev)
 {
         wchar_t c;
+
+        mstate = ms_start;
 
         /* Produce no characters when Ctrl or Alt is pressed. */
         if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
                 return 0;
+
+        if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
+                c = translate(ev->key, map_hacek_ucase, sizeof(map_hacek_ucase) / sizeof(wchar_t));
+        else
+                c = translate(ev->key, map_hacek_lcase, sizeof(map_hacek_lcase) / sizeof(wchar_t));
+
+        return c;
+}
+
+static wchar_t parse_ms_carka(kbd_event_t *ev)
+{
+        wchar_t c;
+
+        mstate = ms_start;
+
+        /* Produce no characters when Ctrl or Alt is pressed. */
+        if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
+                return 0;
+
+        if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
+                c = translate(ev->key, map_carka_ucase, sizeof(map_carka_ucase) / sizeof(wchar_t));
+        else
+                c = translate(ev->key, map_carka_lcase, sizeof(map_carka_lcase) / sizeof(wchar_t));
+
+        return c;
+}
+
+static wchar_t parse_ms_start(kbd_event_t *ev)
+{
+        wchar_t c;
+
+        /* Produce no characters when Ctrl or Alt is pressed. */
+        if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
+                return 0;
+
+        if (ev->key == KC_EQUALS) {
+                if ((ev->mods & KM_SHIFT) != 0)
+                        mstate = ms_hacek;
+                else
+                        mstate = ms_carka;
+
+                return 0;
+        }
 
         c = translate(ev->key, map_neutral, sizeof(map_neutral) / sizeof(wchar_t));
@@ -244 +350 @@
 }
 
+static bool key_is_mod(unsigned key)
+{
+        switch (key) {
+        case KC_LSHIFT:
+        case KC_RSHIFT:
+        case KC_LALT:
+        case KC_RALT:
+        case KC_LCTRL:
+        case KC_RCTRL:
+                return true;
+        default:
+                return false;
+        }
+}
+
+static void layout_reset(void)
+{
+        mstate = ms_start;
+}
+
+static wchar_t layout_parse_ev(kbd_event_t *ev)
+{
+        if (ev->type != KE_PRESS)
+                return '\0';
+
+        if (key_is_mod(ev->key))
+                return '\0';
+
+        switch (mstate) {
+        case ms_start: return parse_ms_start(ev);
+        case ms_hacek: return parse_ms_hacek(ev);
+        case ms_carka: return parse_ms_carka(ev);
+        }
+}
+
 /**
  * @}