[gnome-builder/wip/uajain/word-completion: 1/6] Add a word completion provider
- From: Umang Jain <uajain src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-builder/wip/uajain/word-completion: 1/6] Add a word completion provider
- Date: Thu, 31 Aug 2017 08:50:18 +0000 (UTC)
commit 8fd8918ac0653bc9a99e92a14573235a5fee3359
Author: Umang Jain <mailumangjain gmail com>
Date: Fri Aug 25 01:11:03 2017 +0530
Add a word completion provider
libide/sourceview/ide-word-completion-item.c | 138 ++++
libide/sourceview/ide-word-completion-item.h | 41 ++
libide/sourceview/ide-word-completion-provider.c | 748 ++++++++++++++++++++++
libide/sourceview/ide-word-completion-provider.h | 34 +
libide/sourceview/ide-word-completion-results.c | 67 ++
libide/sourceview/ide-word-completion-results.h | 36 +
6 files changed, 1064 insertions(+), 0 deletions(-)
---
diff --git a/libide/sourceview/ide-word-completion-item.c b/libide/sourceview/ide-word-completion-item.c
new file mode 100644
index 0000000..e40f146
--- /dev/null
+++ b/libide/sourceview/ide-word-completion-item.c
@@ -0,0 +1,138 @@
+/* ide-word-completion-item.c
+ *
+ * Copyright (C) 2017 Umang Jain <mailumangjain gmail com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define G_LOG_DOMAIN "ide-word-completion-item"
+
+#include "sourceview/ide-word-completion-item.h"
+
+typedef struct
+{
+ GIcon *icon;
+ gchar *word;
+ gint offset;
+
+} IdeWordCompletionItemPrivate;
+
+struct _IdeWordCompletionItem
+{
+ IdeCompletionItem parent;
+};
+
+static void ide_word_completion_item_iface_init (gpointer g_iface,
+ gpointer iface_data);
+
+G_DEFINE_TYPE_WITH_CODE (IdeWordCompletionItem,
+ ide_word_completion_item,
+ IDE_TYPE_COMPLETION_ITEM,
+ G_ADD_PRIVATE (IdeWordCompletionItem)
+ G_IMPLEMENT_INTERFACE (GTK_SOURCE_TYPE_COMPLETION_PROPOSAL,
+ ide_word_completion_item_iface_init))
+
+static gchar *
+ide_word_completion_item_get_text (GtkSourceCompletionProposal *proposal)
+{
+ IdeWordCompletionItem *self = (IdeWordCompletionItem *) proposal;
+ IdeWordCompletionItemPrivate *priv = ide_word_completion_item_get_instance_private (self);
+
+ return g_strdup (priv->word);
+}
+
+static GIcon *
+ide_word_completion_item_get_gicon (GtkSourceCompletionProposal *proposal)
+{
+ IdeWordCompletionItem *self = (IdeWordCompletionItem *) proposal;
+ IdeWordCompletionItemPrivate *priv = ide_word_completion_item_get_instance_private (self);
+
+ return priv->icon;
+}
+
+static void
+ide_word_completion_item_iface_init (gpointer g_iface,
+ gpointer iface_data)
+{
+ GtkSourceCompletionProposalIface *iface = (GtkSourceCompletionProposalIface *) g_iface;
+
+ /* Interface data getter implementations */
+ iface->get_label = ide_word_completion_item_get_text;
+ iface->get_text = ide_word_completion_item_get_text;
+ iface->get_gicon = ide_word_completion_item_get_gicon;
+}
+
+static void
+ide_word_completion_item_finalize (GObject *object)
+{
+ IdeWordCompletionItem *self = (IdeWordCompletionItem *) object;
+ IdeWordCompletionItemPrivate *priv = ide_word_completion_item_get_instance_private (self);
+
+ g_free (priv->word);
+ if (priv->icon != NULL)
+ g_object_unref (priv->icon);
+
+ G_OBJECT_CLASS (ide_word_completion_item_parent_class)->finalize (object);
+}
+
+static void
+ide_word_completion_item_class_init (IdeWordCompletionItemClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = ide_word_completion_item_finalize;
+}
+
+static void
+ide_word_completion_item_init (IdeWordCompletionItem *self)
+{
+}
+
+IdeWordCompletionItem *
+ide_word_completion_item_new (const gchar *word,
+ gint offset,
+ GIcon *icon)
+{
+ IdeWordCompletionItem *proposal;
+ IdeWordCompletionItemPrivate *priv;
+
+ g_return_val_if_fail (word != NULL, NULL);
+
+ proposal = g_object_new (IDE_TYPE_WORD_COMPLETION_ITEM, NULL);
+ priv = ide_word_completion_item_get_instance_private (proposal);
+
+ priv->word = g_strdup (word);
+ priv->offset = offset;
+ priv->icon = (icon != NULL) ? g_object_ref (icon) : NULL;
+
+ return proposal;
+}
+
+const gchar *
+ide_word_completion_item_get_word (IdeWordCompletionItem *proposal)
+{
+ IdeWordCompletionItem *self = (IdeWordCompletionItem *) proposal;
+ IdeWordCompletionItemPrivate *priv = ide_word_completion_item_get_instance_private (self);
+
+ return priv->word;
+}
+
+gint
+ide_word_completion_item_get_offset (IdeWordCompletionItem *proposal)
+{
+ IdeWordCompletionItem *self = (IdeWordCompletionItem *) proposal;
+ IdeWordCompletionItemPrivate *priv = ide_word_completion_item_get_instance_private (self);
+
+ return priv->offset;
+}
diff --git a/libide/sourceview/ide-word-completion-item.h b/libide/sourceview/ide-word-completion-item.h
new file mode 100644
index 0000000..47ca95c
--- /dev/null
+++ b/libide/sourceview/ide-word-completion-item.h
@@ -0,0 +1,41 @@
+/* ide-word-completion-item.h
+ *
+ * Copyright (C) 2017 Umang Jain <mailumangjain gmail com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef IDE_WORD_COMPLETION_ITEM_H
+#define IDE_WORD_COMPLETION_ITEM_H
+
+#include <gtksourceview/gtksource.h>
+
+#include "sourceview/ide-completion-item.h"
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_WORD_COMPLETION_ITEM (ide_word_completion_item_get_type ())
+
+G_DECLARE_FINAL_TYPE (IdeWordCompletionItem, ide_word_completion_item,
+ IDE, WORD_COMPLETION_ITEM, IdeCompletionItem)
+
+IdeWordCompletionItem *ide_word_completion_item_new (const gchar *word,
+ gint offset,
+ GIcon *icon);
+const gchar *ide_word_completion_item_get_word (IdeWordCompletionItem *proposal);
+gint ide_word_completion_item_get_offset (IdeWordCompletionItem *proposal);
+
+G_END_DECLS
+
+#endif /* IDE_WORD_COMPLETION_ITEM_H */
diff --git a/libide/sourceview/ide-word-completion-provider.c
b/libide/sourceview/ide-word-completion-provider.c
new file mode 100644
index 0000000..6057f39
--- /dev/null
+++ b/libide/sourceview/ide-word-completion-provider.c
@@ -0,0 +1,748 @@
+/* ide-word-completion-provider.c
+ *
+ * Copyright (C) 2017 Umang Jain <mailumangjain gmail com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define G_LOG_DOMAIN "ide-word-completion-provider"
+
+#include <glib/gi18n.h>
+#include <string.h>
+
+#include "ide-debug.h"
+#include "ide-macros.h"
+
+#include "sourceview/ide-word-completion-provider.h"
+#include "sourceview/ide-word-completion-item.h"
+#include "sourceview/ide-word-completion-results.h"
+#include "sourceview/ide-completion-provider.h"
+
+typedef struct
+{
+ GtkSourceSearchContext *search_context;
+ GtkSourceSearchSettings *search_settings;
+ GtkSourceCompletionContext *context;
+ IdeWordCompletionResults *results;
+ GtkSourceCompletionActivation activation;
+ GHashTable *all_proposals;
+
+ GIcon *icon;
+ gchar *current_word;
+ gulong cancel_id;
+ gchar *name;
+ gint interactive_delay;
+ gint priority;
+ gint direction;
+ guint minimum_word_size;
+ gboolean wrap_around_flag;
+
+ /* No references, cleared in _finished_cb */
+ GtkTextMark *start_mark;
+ GtkTextMark *end_mark;
+} IdeWordCompletionProviderPrivate;
+
+struct _IdeWordCompletionProvider
+{
+ GObject parent;
+};
+
+static void ide_word_completion_provider_iface_init (GtkSourceCompletionProviderIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (IdeWordCompletionProvider,
+ ide_word_completion_provider,
+ G_TYPE_OBJECT,
+ G_ADD_PRIVATE (IdeWordCompletionProvider)
+ G_IMPLEMENT_INTERFACE (GTK_SOURCE_TYPE_COMPLETION_PROVIDER,
ide_word_completion_provider_iface_init)
+ G_IMPLEMENT_INTERFACE (IDE_TYPE_COMPLETION_PROVIDER, NULL))
+
+enum
+{
+ PROP_0,
+ PROP_NAME,
+ PROP_ICON,
+ PROP_INTERACTIVE_DELAY,
+ PROP_PRIORITY,
+ PROP_ACTIVATION,
+ PROP_DIRECTION,
+ PROP_MINIMUM_WORD_SIZE,
+ N_PROPERTIES
+};
+
+static GParamSpec *properties[N_PROPERTIES];
+
+static gboolean
+refresh_iters (IdeWordCompletionProvider *self,
+ GtkTextIter *match_start,
+ GtkTextIter *match_end)
+{
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+ GtkTextBuffer *buffer = NULL;
+
+ g_assert (IDE_IS_WORD_COMPLETION_PROVIDER (self));
+ g_assert (priv->start_mark != NULL);
+ g_assert (priv->end_mark != NULL);
+
+ buffer = gtk_text_mark_get_buffer (priv->start_mark);
+
+ if (buffer)
+ {
+ gtk_text_buffer_get_iter_at_mark (buffer, match_start, priv->start_mark);
+ gtk_text_buffer_get_iter_at_mark (buffer, match_end, priv->end_mark);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+backward_search_finished (GtkSourceSearchContext *search_context,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(IdeWordCompletionProvider) self = user_data;
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+ IdeWordCompletionItem *proposal;
+ GtkTextBuffer *buffer = NULL;
+ GtkTextIter insert_iter;
+ GtkTextIter match_start;
+ GtkTextIter match_end;
+ GError *error = NULL;
+ gboolean has_wrapped_around;
+
+ g_assert (IDE_IS_WORD_COMPLETION_PROVIDER (self));
+ g_assert (G_IS_ASYNC_RESULT (result));
+
+ if (priv->context == NULL || !gtk_source_completion_context_get_iter (priv->context, &insert_iter))
+ return;
+
+ buffer = gtk_text_iter_get_buffer (&insert_iter);
+
+ if (gtk_source_search_context_backward_finish2 (search_context,
+ result,
+ &match_start,
+ &match_end,
+ &has_wrapped_around,
+ &error))
+ {
+ gchar *text = NULL;
+
+ priv->start_mark = gtk_text_buffer_create_mark (buffer, NULL, &match_start, FALSE);
+ priv->end_mark = gtk_text_buffer_create_mark (buffer, NULL, &match_end, FALSE);
+
+ if (priv->start_mark == NULL || priv->end_mark == NULL)
+ {
+ g_warning ("Cannot set start and end marks for word completion matches.");
+ return;
+ }
+
+ gtk_source_completion_context_get_iter (priv->context, &insert_iter);
+
+ if (gtk_text_iter_equal (&match_end, &insert_iter) && priv->wrap_around_flag)
+ goto finish;
+
+ if (error != NULL)
+ {
+ g_warning ("Unable to get word completion proposals: %s", error->message);
+ g_clear_error (&error);
+ goto finish;
+ }
+
+ if (!refresh_iters (self, &match_start, &match_end))
+ {
+ g_warning ("Cannot refresh GtkTextIters for word completion matches.");
+ return;
+ }
+
+ text = gtk_text_iter_get_text (&match_start, &match_end);
+
+ if (!g_hash_table_contains (priv->all_proposals, text))
+ {
+ gint offset;
+
+ offset = gtk_text_iter_get_offset (&insert_iter) - gtk_text_iter_get_offset (&match_start);
+
+ /* Scan must have wrapped around giving offset as negative */
+ if (offset < 0)
+ {
+ GtkTextIter end_iter;
+
+ gtk_text_buffer_get_end_iter (buffer, &end_iter);
+
+ offset = gtk_text_iter_get_offset (&end_iter) -
+ gtk_text_iter_get_offset (&match_start) +
+ gtk_text_iter_get_offset (&insert_iter);
+
+ priv->wrap_around_flag = TRUE;
+ }
+
+ g_assert (offset >= 0);
+
+ proposal = ide_word_completion_item_new (text, offset, NULL);
+ ide_completion_results_take_proposal (IDE_COMPLETION_RESULTS (priv->results),
+ IDE_COMPLETION_ITEM (proposal));
+
+ g_hash_table_add (priv->all_proposals, g_steal_pointer (&text));
+ }
+
+ gtk_text_buffer_get_iter_at_mark (buffer, &match_end, priv->end_mark);
+ gtk_source_search_context_forward_async (priv->search_context,
+ &match_end,
+ NULL,
+ (GAsyncReadyCallback) backward_search_finished,
+ g_object_ref (self));
+ gtk_text_buffer_delete_mark (buffer, priv->start_mark);
+ gtk_text_buffer_delete_mark (buffer, priv->end_mark);
+ return;
+ }
+
+finish:
+ ide_completion_results_present (IDE_COMPLETION_RESULTS (priv->results),
+ GTK_SOURCE_COMPLETION_PROVIDER (self), priv->context);
+
+ g_clear_pointer (&priv->all_proposals, g_hash_table_destroy);
+}
+
+static void
+forward_search_finished (GtkSourceSearchContext *search_context,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(IdeWordCompletionProvider) self = user_data;
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+ IdeWordCompletionItem *proposal;
+ GtkTextBuffer *buffer = NULL;
+ GtkTextIter insert_iter;
+ GtkTextIter match_start;
+ GtkTextIter match_end;
+ GError *error = NULL;
+ gboolean has_wrapped_around;
+
+ g_assert (IDE_IS_WORD_COMPLETION_PROVIDER (self));
+ g_assert (G_IS_ASYNC_RESULT (result));
+
+ if (priv->context == NULL || !gtk_source_completion_context_get_iter (priv->context, &insert_iter))
+ return;
+
+ buffer = gtk_text_iter_get_buffer (&insert_iter);
+
+ if (gtk_source_search_context_forward_finish2 (search_context,
+ result,
+ &match_start,
+ &match_end,
+ &has_wrapped_around,
+ &error))
+ {
+ gchar *text = NULL;
+
+ priv->start_mark = gtk_text_buffer_create_mark (buffer, NULL, &match_start, FALSE);
+ priv->end_mark = gtk_text_buffer_create_mark (buffer, NULL, &match_end, FALSE);
+
+ if (priv->start_mark == NULL || priv->end_mark == NULL)
+ {
+ g_warning ("Cannot set start and end marks for word completion matches.");
+ return;
+ }
+
+ gtk_source_completion_context_get_iter (priv->context, &insert_iter);
+
+ if (gtk_text_iter_equal (&match_end, &insert_iter) && priv->wrap_around_flag)
+ goto finish;
+
+ if (error != NULL)
+ {
+ g_warning ("Unable to get word completion proposals: %s", error->message);
+ g_clear_error (&error);
+ goto finish;
+ }
+
+ if (!refresh_iters (self, &match_start, &match_end))
+ {
+ g_warning ("Cannot refresh GtkTextIters for word completion matches.");
+ return;
+ }
+
+ text = gtk_text_iter_get_text (&match_start, &match_end);
+
+ if (!g_hash_table_contains (priv->all_proposals, text))
+ {
+ gint offset;
+
+ offset = gtk_text_iter_get_offset (&match_start) - gtk_text_iter_get_offset (&insert_iter);
+
+ /* Scan must have wrapped around giving offset as negative */
+ if (offset < 0)
+ {
+ GtkTextIter end_iter;
+
+ gtk_text_buffer_get_end_iter (buffer, &end_iter);
+
+ offset = gtk_text_iter_get_offset (&end_iter) -
+ gtk_text_iter_get_offset (&insert_iter) +
+ gtk_text_iter_get_offset (&match_start);
+
+ priv->wrap_around_flag = TRUE;
+ }
+
+ g_assert (offset >= 0);
+
+ proposal = ide_word_completion_item_new (text, offset, NULL);
+ ide_completion_results_take_proposal (IDE_COMPLETION_RESULTS (priv->results),
+ IDE_COMPLETION_ITEM (proposal));
+
+ g_hash_table_add (priv->all_proposals, g_steal_pointer (&text));
+ }
+
+ gtk_text_buffer_get_iter_at_mark (buffer, &match_end, priv->end_mark);
+ gtk_source_search_context_forward_async (priv->search_context,
+ &match_end,
+ NULL,
+ (GAsyncReadyCallback) forward_search_finished,
+ g_object_ref (self));
+ gtk_text_buffer_delete_mark (buffer, priv->start_mark);
+ gtk_text_buffer_delete_mark (buffer, priv->end_mark);
+ return;
+ }
+
+finish:
+ ide_completion_results_present (IDE_COMPLETION_RESULTS (priv->results),
+ GTK_SOURCE_COMPLETION_PROVIDER (self), priv->context);
+
+ g_clear_pointer (&priv->all_proposals, g_hash_table_destroy);
+}
+
+static void
+completion_cleanup (IdeWordCompletionProvider *self)
+{
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ g_clear_pointer (&priv->current_word, g_free);
+
+ if (priv->context != NULL)
+ {
+ ide_clear_signal_handler (priv->context, &priv->cancel_id);
+
+ g_clear_object (&priv->context);
+ }
+ g_clear_object (&priv->search_settings);
+ g_clear_object (&priv->search_context);
+}
+
+static void
+completion_cancelled_cb (IdeWordCompletionProvider *self,
+ GtkSourceCompletionContext *context)
+{
+ g_assert (IDE_IS_WORD_COMPLETION_PROVIDER (self));
+
+ if (context == NULL)
+ return;
+
+ completion_cleanup (self);
+ }
+
+static void
+ide_word_completion_provider_populate (GtkSourceCompletionProvider *provider,
+ GtkSourceCompletionContext *context)
+{
+ IdeWordCompletionProvider *self = IDE_WORD_COMPLETION_PROVIDER (provider);
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+ gchar *search_text = NULL;
+ GtkTextIter insert_iter;
+ GtkSourceBuffer *buffer;
+
+ if (!gtk_source_completion_context_get_iter (context, &insert_iter))
+ {
+ gtk_source_completion_context_add_proposals (context, provider, NULL, TRUE);
+ IDE_EXIT;
+ }
+
+ buffer = GTK_SOURCE_BUFFER (gtk_text_iter_get_buffer (&insert_iter));
+
+ g_assert (priv->search_settings == NULL);
+ g_assert (priv->search_context == NULL);
+ g_assert (buffer != NULL);
+ g_assert (priv->cancel_id == 0);
+
+ g_clear_pointer (&priv->current_word, g_free);
+ priv->current_word = ide_completion_provider_context_current_word (context);
+
+ if (priv->current_word == NULL || (g_utf8_strlen (priv->current_word, -1) <
(glong)priv->minimum_word_size))
+ IDE_EXIT;
+
+ if (priv->results != NULL)
+ {
+ if (ide_completion_results_replay (IDE_COMPLETION_RESULTS (priv->results), priv->current_word))
+ {
+ ide_completion_results_present (IDE_COMPLETION_RESULTS (priv->results), provider, context);
+ IDE_EXIT;
+ }
+
+ g_clear_pointer (&priv->results, g_object_unref);
+ }
+
+ priv->search_settings = g_object_new (GTK_SOURCE_TYPE_SEARCH_SETTINGS,
+ "at-word-boundaries", TRUE,
+ "regex-enabled", TRUE,
+ "wrap-around", TRUE,
+ NULL);
+
+ priv->search_context = gtk_source_search_context_new (buffer, priv->search_settings);
+ gtk_source_search_context_set_highlight (priv->search_context, FALSE);
+ priv->context = g_object_ref (context);
+
+ search_text = g_strconcat (priv->current_word, "[a-zA-Z0-9_]*", NULL);
+ gtk_source_search_settings_set_search_text (priv->search_settings, search_text);
+ g_free (search_text);
+
+ priv->cancel_id = g_signal_connect_swapped (context, "cancelled", G_CALLBACK (completion_cancelled_cb),
self);
+ priv->wrap_around_flag = FALSE;
+ priv->results = ide_word_completion_results_new (priv->current_word);
+
+ priv->all_proposals = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+
+ if (priv->direction == 1) /* Ctrl-n : Scan forward*/
+ {
+ gtk_source_search_context_forward_async (priv->search_context,
+ &insert_iter,
+ NULL,
+ (GAsyncReadyCallback)forward_search_finished,
+ g_object_ref (self));
+
+ }
+ else if (priv->direction == -1) /* Ctrl-p : Scan backward */
+ {
+ gtk_source_search_context_backward_async (priv->search_context,
+ &insert_iter,
+ NULL,
+ (GAsyncReadyCallback)backward_search_finished,
+ g_object_ref (self));
+
+ }
+}
+
+static gboolean
+ide_word_completion_provider_match (GtkSourceCompletionProvider *provider,
+ GtkSourceCompletionContext *context)
+{
+ IdeWordCompletionProvider *self = (IdeWordCompletionProvider *) provider;
+ GtkSourceCompletionActivation activation;
+ GtkTextIter iter;
+
+ g_assert (IDE_IS_WORD_COMPLETION_PROVIDER (self));
+ g_assert (GTK_SOURCE_IS_COMPLETION_CONTEXT (context));
+
+ if (!gtk_source_completion_context_get_iter (context, &iter))
+ return FALSE;
+
+ activation = gtk_source_completion_context_get_activation (context);
+
+ if (activation == GTK_SOURCE_COMPLETION_ACTIVATION_USER_REQUESTED)
+ {
+ gunichar ch;
+
+ if (gtk_text_iter_starts_line (&iter))
+ return FALSE;
+
+ gtk_text_iter_backward_char (&iter);
+
+ ch = gtk_text_iter_get_char (&iter);
+
+ if (g_unichar_isalnum (ch) || ch == '_')
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ide_word_completion_provider_get_start_iter (GtkSourceCompletionProvider *provider,
+ GtkSourceCompletionContext *context,
+ GtkSourceCompletionProposal *proposal,
+ GtkTextIter *iter)
+{
+ gchar *word;
+ glong nb_chars;
+
+ if (!gtk_source_completion_context_get_iter (context, iter))
+ return FALSE;
+
+ word = ide_completion_provider_context_current_word (context);
+ g_return_val_if_fail (word != NULL, FALSE);
+
+ nb_chars = g_utf8_strlen (word, -1);
+ gtk_text_iter_backward_chars (iter, nb_chars);
+
+ g_free (word);
+ return TRUE;
+}
+
+static gchar *
+ide_word_completion_provider_get_name (GtkSourceCompletionProvider *provider)
+{
+ IdeWordCompletionProvider *self = (IdeWordCompletionProvider *) provider;
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ return g_strdup (priv->name);
+}
+
+static GIcon *
+ide_word_completion_provider_get_gicon (GtkSourceCompletionProvider *provider)
+{
+ IdeWordCompletionProvider *self = (IdeWordCompletionProvider *) provider;
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ return priv->icon;
+}
+
+static gint
+ide_word_completion_provider_get_interactive_delay (GtkSourceCompletionProvider *provider)
+{
+ IdeWordCompletionProvider *self = (IdeWordCompletionProvider *) provider;
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ return priv->interactive_delay;
+}
+
+static gint
+ide_word_completion_provider_get_priority (GtkSourceCompletionProvider *provider)
+{
+ IdeWordCompletionProvider *self = (IdeWordCompletionProvider *) provider;
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ return priv->priority;
+}
+
+static GtkSourceCompletionActivation
+ide_word_completion_provider_get_activation (GtkSourceCompletionProvider *provider)
+{
+ IdeWordCompletionProvider *self = (IdeWordCompletionProvider *) provider;
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ return priv->activation;
+}
+
+
+static void ide_word_completion_provider_iface_init (GtkSourceCompletionProviderIface *iface)
+{
+ iface->get_name = ide_word_completion_provider_get_name;
+ iface->get_gicon = ide_word_completion_provider_get_gicon;
+ iface->populate = ide_word_completion_provider_populate;
+ iface->match = ide_word_completion_provider_match;
+ iface->get_start_iter = ide_word_completion_provider_get_start_iter;
+ iface->get_interactive_delay = ide_word_completion_provider_get_interactive_delay;
+ iface->get_priority = ide_word_completion_provider_get_priority;
+ iface->get_activation = ide_word_completion_provider_get_activation;
+}
+
+static void
+ide_word_completion_provider_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ IdeWordCompletionProvider *self = IDE_WORD_COMPLETION_PROVIDER (object);
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ switch (prop_id)
+ {
+ case PROP_NAME:
+ g_free (priv->name);
+ priv->name = g_value_dup_string (value);
+
+ if (priv->name == NULL)
+ {
+ priv->name = g_strdup (_("Builder Word Completion"));
+ }
+ break;
+
+ case PROP_ICON:
+ g_clear_object (&priv->icon);
+ priv->icon = g_value_dup_object (value);
+ break;
+
+ case PROP_INTERACTIVE_DELAY:
+ priv->interactive_delay = g_value_get_int (value);
+ break;
+
+ case PROP_PRIORITY:
+ priv->priority = g_value_get_int (value);
+ break;
+
+ case PROP_ACTIVATION:
+ priv->activation = g_value_get_flags (value);
+ break;
+
+ case PROP_DIRECTION:
+ priv->direction = g_value_get_int (value);
+ break;
+
+ case PROP_MINIMUM_WORD_SIZE:
+ priv->minimum_word_size = g_value_get_uint (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+ide_word_completion_provider_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ IdeWordCompletionProvider *self = IDE_WORD_COMPLETION_PROVIDER (object);
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ switch (prop_id)
+ {
+ case PROP_NAME:
+ g_value_set_string (value, priv->name);
+ break;
+
+ case PROP_ICON:
+ g_value_set_object (value, priv->icon);
+ break;
+
+ case PROP_INTERACTIVE_DELAY:
+ g_value_set_int (value, priv->interactive_delay);
+ break;
+
+ case PROP_PRIORITY:
+ g_value_set_int (value, priv->priority);
+ break;
+
+ case PROP_ACTIVATION:
+ g_value_set_flags (value, priv->activation);
+ break;
+
+ case PROP_DIRECTION:
+ g_value_set_int (value, priv->direction);
+ break;
+
+ case PROP_MINIMUM_WORD_SIZE:
+ g_value_set_uint (value, priv->minimum_word_size);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+ide_word_completion_provider_dispose (GObject *object)
+{
+ IdeWordCompletionProvider *self = IDE_WORD_COMPLETION_PROVIDER (object);
+ IdeWordCompletionProviderPrivate *priv = ide_word_completion_provider_get_instance_private (self);
+
+ completion_cleanup (self);
+
+ g_free (priv->name);
+ priv->name = NULL;
+
+ g_clear_object (&priv->icon);
+ g_clear_object (&priv->search_context);
+ g_clear_object (&priv->results);
+
+ G_OBJECT_CLASS (ide_word_completion_provider_parent_class)->dispose (object);
+}
+
+static void
+ide_word_completion_provider_class_init (IdeWordCompletionProviderClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->get_property = ide_word_completion_provider_get_property;
+ object_class->set_property = ide_word_completion_provider_set_property;
+ object_class->dispose = ide_word_completion_provider_dispose;
+
+ properties[PROP_NAME] =
+ g_param_spec_string ("name",
+ "Name",
+ "The provider name",
+ NULL,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_ICON] =
+ g_param_spec_object ("icon",
+ "Icon",
+ "The provider icon",
+ G_TYPE_ICON,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_INTERACTIVE_DELAY] =
+ g_param_spec_int ("interactive-delay",
+ "Interactive Delay",
+ "The delay before initiating interactive completion",
+ -1,
+ G_MAXINT,
+ 50,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_PRIORITY] =
+ g_param_spec_int ("priority",
+ "Priority",
+ "Provider priority",
+ G_MININT,
+ G_MAXINT,
+ 0,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_ACTIVATION] =
+ g_param_spec_flags ("activation",
+ "Activation",
+ "The type of activation",
+ GTK_SOURCE_TYPE_COMPLETION_ACTIVATION,
+ GTK_SOURCE_COMPLETION_ACTIVATION_INTERACTIVE |
+ GTK_SOURCE_COMPLETION_ACTIVATION_USER_REQUESTED,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
+
+ properties [PROP_DIRECTION] =
+ g_param_spec_int ("direction",
+ "Direction",
+ "The direction for search to begin",
+ G_MININT,
+ G_MAXINT,
+ 0,
+ (G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
+
+ properties[PROP_MINIMUM_WORD_SIZE] =
+ g_param_spec_uint ("minimum-word-size",
+ "Minimum Word Size",
+ "The minimum word size to complete",
+ 2,
+ G_MAXUINT,
+ 2,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (object_class, N_PROPERTIES, properties);
+}
+
+static void
+ide_word_completion_provider_init (IdeWordCompletionProvider *self)
+{
+}
+
+IdeWordCompletionProvider *
+ide_word_completion_provider_new (const gchar *name,
+ GIcon *icon)
+{
+ return g_object_new (IDE_TYPE_WORD_COMPLETION_PROVIDER,
+ "name", name,
+ "icon", icon,
+ NULL);
+}
diff --git a/libide/sourceview/ide-word-completion-provider.h
b/libide/sourceview/ide-word-completion-provider.h
new file mode 100644
index 0000000..cdee685
--- /dev/null
+++ b/libide/sourceview/ide-word-completion-provider.h
@@ -0,0 +1,34 @@
+/* ide-word-completion-provider.h
+ *
+ * Copyright (C) 2017 Umang Jain <mailumangjain gmail com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef IDE_WORD_COMPLETION_PROVIDER_H
+#define IDE_WORD_COMPLETION_PROVIDER_H
+
+#include <gtksourceview/gtksource.h>
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_WORD_COMPLETION_PROVIDER (ide_word_completion_provider_get_type ())
+
+G_DECLARE_FINAL_TYPE (IdeWordCompletionProvider, ide_word_completion_provider, IDE,
WORD_COMPLETION_PROVIDER, GObject)
+
+IdeWordCompletionProvider *ide_word_completion_provider_new (const gchar *name, GIcon *icon);
+
+G_END_DECLS
+
+#endif /* IDE_WORD_COMPLETION_PROVIDER_H */
diff --git a/libide/sourceview/ide-word-completion-results.c b/libide/sourceview/ide-word-completion-results.c
new file mode 100644
index 0000000..f728182
--- /dev/null
+++ b/libide/sourceview/ide-word-completion-results.c
@@ -0,0 +1,67 @@
+/* ide-word-completion-results.c
+ *
+ * Copyright (C) 2017 Umang Jain <mailumangjain gmail com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define G_LOG_DOMAIN "ide-word-completion-results"
+
+#include "sourceview/ide-word-completion-results.h"
+#include "sourceview/ide-word-completion-item.h"
+
+struct _IdeWordCompletionResults
+{
+ IdeCompletionResults parent_instance;
+};
+
+G_DEFINE_TYPE (IdeWordCompletionResults,
+ ide_word_completion_results,
+ IDE_TYPE_COMPLETION_RESULTS)
+
+static gint
+ide_word_completion_results_compare (IdeCompletionResults *results,
+ IdeCompletionItem *left,
+ IdeCompletionItem *right)
+{
+ IdeWordCompletionItem *p1 = (IdeWordCompletionItem *) left;
+ IdeWordCompletionItem *p2 = (IdeWordCompletionItem *) right;
+
+ if (ide_word_completion_item_get_offset (p1) <
+ ide_word_completion_item_get_offset (p2))
+ return -1;
+ else
+ return 1;
+}
+
+static void
+ide_word_completion_results_init (IdeWordCompletionResults *self)
+{
+}
+
+static void
+ide_word_completion_results_class_init (IdeWordCompletionResultsClass *klass)
+{
+ IdeCompletionResultsClass *results_class = IDE_COMPLETION_RESULTS_CLASS (klass);
+
+ results_class->compare = ide_word_completion_results_compare;
+}
+
+IdeWordCompletionResults *
+ide_word_completion_results_new (const gchar *query)
+{
+ return g_object_new (IDE_TYPE_WORD_COMPLETION_RESULTS,
+ "query", query,
+ NULL);
+}
diff --git a/libide/sourceview/ide-word-completion-results.h b/libide/sourceview/ide-word-completion-results.h
new file mode 100644
index 0000000..8b02463
--- /dev/null
+++ b/libide/sourceview/ide-word-completion-results.h
@@ -0,0 +1,36 @@
+/* ide-word-completion-results.h
+ *
+ * Copyright (C) 2017 Umang Jain <mailumangjain gmail com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef IDE_WORD_COMPLETION_RESULTS_H
+#define IDE_WORD_COMPLETION_RESULTS_H
+
+#include <gtksourceview/gtksource.h>
+
+#include "sourceview/ide-completion-results.h"
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_WORD_COMPLETION_RESULTS (ide_word_completion_results_get_type())
+
+G_DECLARE_FINAL_TYPE (IdeWordCompletionResults, ide_word_completion_results, IDE, WORD_COMPLETION_RESULTS,
IdeCompletionResults)
+
+IdeWordCompletionResults* ide_word_completion_results_new (const gchar *query);
+
+G_END_DECLS
+
+#endif /* IDE_WORD_COMPLETION_RESULTS_H */
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