src/keyboard-lomiri.c: Add as much functionality to Lomiri as currently possibletari01-pr/add-features-to-lomiri

1 files changed, 413 insertions, 5 deletions

diff --git a/src/keyboard-lomiri.c b/src/keyboard-lomiri.c
index 0ae0b4a2..b421fe5c 100644
--- a/src/keyboard-lomiri.c
+++ b/src/keyboard-lomiri.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Robert Tari <robert@tari.in>
+ * Copyright 2021-2022 Robert Tari <robert@tari.in>
  *
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 3, as published
@@ -14,6 +14,8 @@
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <act/act.h>
+#include <xkbcommon/xkbregistry.h>
 #include <glib-object.h>
 #include "languages.h"
 #include "keyboard.h"
@@ -29,13 +31,142 @@ static guint m_lSignals[LAST_SIGNAL];
 
 struct _KeyboardPrivate
 {
+    GHashTable *lLayouts;
     guint nLayout;
+    GSList *lLayoutRec;
+    GSList *lUsers;
 };
 
 typedef KeyboardPrivate priv_t;
 
 G_DEFINE_TYPE_WITH_PRIVATE(Keyboard, keyboard, G_TYPE_OBJECT)
 
+typedef struct _Layout
+{
+    gchar *sId;
+    gchar *sLanguage;
+    gchar *sDescription;
+
+} Layout;
+
+static int emitDelayedSignal(Keyboard *pKeyboard)
+{
+    g_signal_emit(pKeyboard, m_lSignals[CONFIG_CHANGED], 0);
+
+    return G_SOURCE_REMOVE;
+}
+
+static gboolean isGreeter()
+{
+    const char *sUser = g_get_user_name();
+
+    return g_str_equal(sUser, "lightdm");
+}
+
+static void setAccountsService(Keyboard *pKeyboard)
+{
+    // TODO
+}
+
+static void getAccountsService(Keyboard *pKeyboard)
+{
+    gboolean bChanged = FALSE;
+
+    for (GSList *lUser = pKeyboard->pPrivate->lUsers; lUser; lUser = lUser->next)
+    {
+        ActUser *pUser = lUser->data;
+        gboolean bIsUserLoaded = act_user_is_loaded(pUser);
+
+        if (bIsUserLoaded)
+        {
+            gint nUid = act_user_get_uid(pUser);
+            gchar *sPath = g_strdup_printf("/org/freedesktop/Accounts/User%i", nUid);
+            GDBusConnection *pConnection = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, NULL);
+            GDBusProxy *pProxy = g_dbus_proxy_new_sync(pConnection, G_DBUS_PROXY_FLAGS_NONE, NULL, "org.freedesktop.Accounts", sPath, "org.freedesktop.DBus.Properties", NULL, NULL);
+            GVariant *pValue = g_dbus_proxy_call_sync(pProxy, "Get", g_variant_new("(ss)", "org.ayatana.indicator.keyboard.AccountsService", "Layouts"), G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL);
+            GVariant *pChild0 = g_variant_get_child_value(pValue, 0);
+            GVariant *pChild1 = g_variant_get_child_value(pChild0, 0);
+
+            GVariantIter *pIter;
+
+            g_variant_get(pChild1, "as", &pIter);
+
+            gchar *sLayout;
+
+            while (g_variant_iter_loop(pIter, "s", &sLayout))
+            {
+                if (g_slist_find_custom(pKeyboard->pPrivate->lLayoutRec, sLayout, (GCompareFunc)g_strcmp0) == NULL)
+                {
+                    pKeyboard->pPrivate->lLayoutRec = g_slist_append(pKeyboard->pPrivate->lLayoutRec, g_strdup(sLayout));
+                    bChanged = TRUE;
+                }
+            }
+
+            g_variant_iter_free(pIter);
+            g_variant_unref(pChild1);
+            g_variant_unref(pChild0);
+            g_variant_unref(pValue);
+            g_object_unref(pConnection);
+            g_free(sPath);
+        }
+    }
+
+    if (bChanged == TRUE)
+    {
+        g_timeout_add(500, (GSourceFunc)emitDelayedSignal, pKeyboard);
+    }
+}
+
+static void onUserLoaded(Keyboard *pKeyboard, ActUser *pUser)
+{
+    gboolean bIsUserLoaded = act_user_is_loaded(pUser);
+
+    if (bIsUserLoaded)
+    {
+        getAccountsService(pKeyboard);
+        g_signal_handlers_disconnect_by_func(G_OBJECT(pUser), G_CALLBACK(onUserLoaded), pKeyboard);
+    }
+}
+
+static void onManagerLoaded(Keyboard *pKeyboard)
+{
+    ActUserManager *pManager = act_user_manager_get_default();
+    gboolean bIsLoaded;
+    g_object_get(pManager, "is-loaded", &bIsLoaded, NULL);
+
+    if (bIsLoaded)
+    {
+        pKeyboard->pPrivate->lUsers = act_user_manager_list_users(pManager);
+
+        for (GSList *lUser = pKeyboard->pPrivate->lUsers; lUser; lUser = lUser->next)
+        {
+            ActUser *pUser = lUser->data;
+            gboolean bIsUserLoaded = act_user_is_loaded(pUser);
+
+            if (bIsUserLoaded)
+            {
+                getAccountsService(pKeyboard);
+            }
+            else
+            {
+                g_signal_connect_swapped(pUser, "notify::is-loaded", G_CALLBACK(onUserLoaded), pKeyboard);
+            }
+        }
+    }
+}
+
+static void freeLayout(gpointer pData)
+{
+    Layout *pLayout = pData;
+
+    g_return_if_fail(pLayout != NULL);
+
+    g_free(pLayout->sId);
+    g_free(pLayout->sLanguage);
+    g_free(pLayout->sDescription);
+    g_slice_free(Layout, pLayout);
+}
+
 void keyboard_AddSource(Keyboard *pKeyboard)
 {
     return;
@@ -43,7 +174,15 @@ void keyboard_AddSource(Keyboard *pKeyboard)
 
 guint keyboard_GetNumLayouts(Keyboard *pKeyboard)
 {
-    return 1;
+    if (isGreeter())
+    {
+        return g_slist_length(pKeyboard->pPrivate->lLayoutRec);
+    }
+    else
+    {
+        // TODO
+        return 1;
+    }
 }
 
 void keyboard_GetLayout(Keyboard *pKeyboard, gint nLayout, gchar **pLanguage, gchar **pDescription)
@@ -53,21 +192,106 @@ void keyboard_GetLayout(Keyboard *pKeyboard, gint nLayout, gchar **pLanguage, gc
         nLayout = pKeyboard->pPrivate->nLayout;
     }
 
-    *pLanguage = g_strdup("En");
+    gchar *sId = NULL;
+
+    if (isGreeter() == TRUE)
+    {
+        gchar *sLayout = g_slist_nth_data(pKeyboard->pPrivate->lLayoutRec, nLayout);
+        sId = g_strdup(sLayout);
+    }
+    else
+    {
+        // TODO
+        gchar *sLayout = "us";
+        gchar *sVariant = "";
+
+        if (sVariant && strlen(sVariant))
+        {
+            sId = g_strconcat(sLayout, "+", sVariant, NULL);
+        }
+        else
+        {
+            sId = g_strdup(sLayout);
+        }
+    }
+
+    const Layout *pLayout;
+    g_hash_table_lookup_extended(pKeyboard->pPrivate->lLayouts, sId, NULL, (gpointer*)&pLayout);
+
+    if (pLanguage != NULL)
+    {
+        *pLanguage = g_strdup(pLayout->sLanguage);
+    }
 
     if (pDescription != NULL)
     {
-        *pDescription = g_strdup("English");
+        *pDescription = g_strdup(pLayout->sDescription);
     }
+
+    g_free(sId);
 }
 
 void keyboard_SetLayout(Keyboard *pKeyboard, gint nLayout)
 {
+    if (isGreeter() == FALSE)
+    {
+        // TODO
+    }
+    else
+    {
+        // TODO
+        gchar *sCommand;
+        gchar *sId = g_slist_nth_data(pKeyboard->pPrivate->lLayoutRec, nLayout);
+        gchar **lParamas = g_strsplit(sId, "+", -1);
+        guint nParams = g_strv_length(lParamas);
+
+        if (nParams == 1)
+        {
+            sCommand = g_strdup_printf("setxkbmap -layout %s", lParamas[0]);
+        }
+        else
+        {
+            sCommand = g_strdup_printf("setxkbmap -layout %s -variant %s", lParamas[0], lParamas[1]);
+        }
+
+        g_strfreev(lParamas);
+
+        gchar *sOutput = NULL;
+        GError *pError = NULL;
+        gboolean bResult = g_spawn_command_line_sync(sCommand, &sOutput, NULL, NULL, &pError);
+        g_free(sCommand);
+
+        if (bResult == FALSE)
+        {
+            g_message("COMMAND 01 %s: %s", sOutput, pError->message);
+
+            return;
+        }
+    }
+
+    pKeyboard->pPrivate->nLayout = nLayout;
     g_signal_emit(pKeyboard, m_lSignals[LAYOUT_CHANGED], 0);
 }
 
 static void onDispose(GObject *pObject)
 {
+    Keyboard *self = G_KEYBOARD(pObject);
+
+    if (self->pPrivate->lLayouts)
+    {
+        g_hash_table_destroy(self->pPrivate->lLayouts);
+    }
+
+    if (self->pPrivate->lLayoutRec)
+    {
+        g_slist_free_full(self->pPrivate->lLayoutRec, g_free);
+    }
+
+    if (self->pPrivate->lUsers)
+    {
+        g_slist_free(self->pPrivate->lUsers);
+    }
+
     G_OBJECT_CLASS(keyboard_parent_class)->dispose(pObject);
 }
 
@@ -89,5 +313,189 @@ Keyboard* keyboard_new()
 static void keyboard_init(Keyboard *self)
 {
     self->pPrivate = keyboard_get_instance_private(self);
-    self->pPrivate->nLayout = 0;
+    self->pPrivate->lLayouts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, freeLayout);
+
+    // Read all available layouts
+    struct rxkb_context *pContext = rxkb_context_new(RXKB_CONTEXT_LOAD_EXOTIC_RULES);
+    g_assert(pContext);
+
+    if (!rxkb_context_include_path_append_default(pContext))
+    {
+        g_warning("Failed to include default paths");
+    }
+
+    if (!rxkb_context_parse(pContext, "evdev"))
+    {
+        g_warning("Failed to parse XKB descriptions");
+    }
+
+    struct rxkb_layout *pRxkbLayout = rxkb_layout_first(pContext);
+
+    while (pRxkbLayout != NULL)
+    {
+        const gchar *sLayout = rxkb_layout_get_name(pRxkbLayout);
+        const gchar *sVariant = rxkb_layout_get_variant(pRxkbLayout);
+        const gchar *sDescription = rxkb_layout_get_description(pRxkbLayout);
+
+        Layout *pLayout = g_slice_new0(Layout);
+
+        if (sVariant != NULL && strlen(sVariant) > 0)
+        {
+            pLayout->sId = g_strjoin("+", sLayout, sVariant, NULL);
+            pLayout->sLanguage = g_strdup(lookupLanguage(pLayout->sId));
+            pLayout->sDescription = g_strdup(sDescription);
+        }
+        else
+        {
+            pLayout->sId = g_strdup(sLayout);
+            pLayout->sLanguage = g_strdup(lookupLanguage(pLayout->sId));
+            pLayout->sDescription = g_strdup(sDescription);
+        }
+
+        g_hash_table_replace(self->pPrivate->lLayouts, pLayout->sId, pLayout);
+
+        pRxkbLayout = rxkb_layout_next(pRxkbLayout);
+    }
+
+    rxkb_context_unref(pContext);
+
+    if (isGreeter() == FALSE)
+    {
+        // TODO
+        self->pPrivate->nLayout = 0;
+
+        setAccountsService(self);
+    }
+    else
+    {
+        // Get layouts from /etc/default/keyboard
+        gchar *sFile;
+        g_file_get_contents ("/etc/default/keyboard", &sFile, NULL, NULL);
+        gchar **lLines = g_strsplit(sFile, "\n", -1);
+        guint nLines = g_strv_length(lLines);
+        gchar **lLayouts = NULL;
+        gchar **lVariants = NULL;
+
+        for (guint nLine = 0; nLine < nLines; nLine++)
+        {
+            gboolean bIsLayout = g_str_has_prefix(lLines[nLine], "XKBLAYOUT");
+
+            if (bIsLayout == TRUE)
+            {
+                gboolean bQuoted = g_strrstr(lLines[nLine], "\"") != NULL;
+                gchar *sLayout = NULL;
+
+                if (bQuoted == TRUE)
+                {
+                    sLayout = (lLines[nLine] + 11);
+                    guint nLength = strlen(sLayout);
+                    sLayout[nLength - 1] = '\0';
+                }
+                else
+                {
+                    sLayout = (lLines[nLine] + 10);
+                }
+
+                lLayouts = g_strsplit(sLayout, ",", -1);
+
+                continue;
+            }
+
+            gboolean bIsVariant = g_str_has_prefix(lLines[nLine], "XKBVARIANT");
+
+            if (bIsVariant == TRUE)
+            {
+                gboolean bQuoted = g_strrstr(lLines[nLine], "\"") != NULL;
+                gchar *sVariant = NULL;
+
+                if (bQuoted == TRUE)
+                {
+                    sVariant = (lLines[nLine] + 12);
+                    guint nLength = strlen(sVariant);
+                    sVariant[nLength - 1] = '\0';
+                }
+                else
+                {
+                    sVariant = (lLines[nLine] + 11);
+                }
+
+                lVariants = g_strsplit(sVariant, ",", -1);
+
+                continue;
+            }
+        }
+
+        guint nLayouts = g_strv_length(lLayouts);
+        guint nVariants = 0;
+
+        if (lVariants != NULL)
+        {
+            g_strv_length(lVariants);
+        }
+
+        for (guint nLayout = 0; nLayout < nLayouts; nLayout++)
+        {
+            gchar *sId = NULL;
+
+            if (nVariants > nLayout)
+            {
+                guint nVariant = strlen(lVariants[nLayout]);
+
+                if (nVariants == nLayouts && nVariant > 0)
+                {
+                    sId = g_strconcat(lLayouts[nLayout], "+", lVariants[nLayout], NULL);
+                }
+                else
+                {
+                    sId = g_strdup(lLayouts[nLayout]);
+                }
+            }
+            else
+            {
+                sId = g_strdup(lLayouts[nLayout]);
+            }
+
+            self->pPrivate->lLayoutRec = g_slist_append(self->pPrivate->lLayoutRec, sId);
+        }
+
+        self->pPrivate->nLayout = 0;
+
+        g_strfreev(lLayouts);
+
+        if (lVariants != NULL)
+        {
+            g_strfreev(lVariants);
+        }
+
+        g_strfreev(lLines);
+        g_free(sFile);
+
+        ActUserManager *pManager = act_user_manager_get_default();
+        gboolean bIsLoaded;
+        g_object_get(pManager, "is-loaded", &bIsLoaded, NULL);
+
+        if (bIsLoaded)
+        {
+            self->pPrivate->lUsers = act_user_manager_list_users(pManager);
+
+            for (GSList *lUser = self->pPrivate->lUsers; lUser; lUser = lUser->next)
+            {
+                ActUser *pUser = lUser->data;
+                gboolean bIsUserLoaded = act_user_is_loaded(pUser);
+
+                if (bIsUserLoaded)
+                {
+                    getAccountsService(self);
+                }
+                else
+                {
+                    g_signal_connect_swapped(pUser, "notify::is-loaded", G_CALLBACK(onUserLoaded), self);
+                }
+            }
+        }
+        else
+        {
+            g_signal_connect_object(pManager, "notify::is-loaded", G_CALLBACK(onManagerLoaded), self, G_CONNECT_SWAPPED);
+        }
+    }
 }