1 files changed, 251 insertions, 0 deletions

diff --git a/src/ui/picker.c b/src/ui/picker.c
new file mode 100644
index 0000000..f6c89a6
--- /dev/null
+++ b/src/ui/picker.c
@@ -0,0 +1,251 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2021 GNUnet e.V.
+
+   GNUnet is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Affero General Public License as published
+   by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   GNUnet 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
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/*
+ * @author Tobias Frisch
+ * @file ui/picker.c
+ */
+
+#include "picker.h"
+
+#include "../application.h"
+
+#include <emoji.h>
+
+static void
+handle_emoji_button_click(GtkButton *button,
+                          gpointer user_data)
+{
+  GtkTextView *text_view = GTK_TEXT_VIEW(user_data);
+  GtkTextBuffer *text_buffer = gtk_text_view_get_buffer(text_view);
+
+  const gchar *label = gtk_button_get_label(button);
+
+  if (label)
+    gtk_text_buffer_insert_at_cursor(text_buffer, label, strlen(label));
+}
+
+static void
+_add_emoji_buttons(GtkFlowBox *flow_box,
+                   GtkTextView *text_view,
+                   size_t characters_count,
+                   const uint32_t *characters)
+{
+  for (size_t i = 0; i < characters_count; i++) {
+    GString *string = g_string_new("");
+    g_string_append_unichar(string, (gunichar) characters[i]);
+
+    GtkButton *emoji_button = GTK_BUTTON(
+      gtk_button_new_with_label(string->str)
+    );
+
+    gtk_button_set_relief(emoji_button, GTK_RELIEF_NONE);
+
+    g_signal_connect(
+        emoji_button,
+        "clicked",
+        G_CALLBACK(handle_emoji_button_click),
+        text_view
+    );
+
+    gtk_flow_box_insert(flow_box, GTK_WIDGET(emoji_button), -1);
+    gtk_widget_show(GTK_WIDGET(emoji_button));
+
+    g_string_free(string, TRUE);
+  }
+}
+
+static void
+handle_search_button_click(UNUSED GtkButton *button,
+                           gpointer user_data)
+{
+  UI_PICKER_Handle *handle = (UI_PICKER_Handle*) user_data;
+
+  const gchar* picked = gtk_stack_get_visible_child_name(handle->picker_stack);
+
+  HdySearchBar *search_bar = NULL;
+
+  if (0 == g_strcmp0(picked, "emoji"))
+    search_bar = handle->emoji_search_bar;
+
+  if (search_bar)
+    hdy_search_bar_set_search_mode(
+        search_bar,
+        !hdy_search_bar_get_search_mode(search_bar)
+    );
+}
+
+UI_PICKER_Handle*
+ui_picker_new(UNUSED MESSENGER_Application *app,
+              UI_CHAT_Handle *chat)
+{
+  UI_PICKER_Handle *handle = g_malloc(sizeof(UI_PICKER_Handle));
+
+  handle->builder = gtk_builder_new_from_file(
+      "resources/ui/picker.ui"
+  );
+
+  handle->picker_box = GTK_WIDGET(
+      gtk_builder_get_object(handle->builder, "picker_box")
+  );
+
+  handle->picker_stack = GTK_STACK(
+      gtk_builder_get_object(handle->builder, "picker_stack")
+  );
+
+  handle->emoji_stack = GTK_STACK(
+      gtk_builder_get_object(handle->builder, "emoji_stack")
+  );
+
+  handle->picker_switcher_bar = HDY_VIEW_SWITCHER_BAR(
+      gtk_builder_get_object(handle->builder, "picker_switcher_bar")
+  );
+
+  handle->emoji_switcher_bar = HDY_VIEW_SWITCHER_BAR(
+      gtk_builder_get_object(handle->builder, "emoji_switcher_bar")
+  );
+
+  handle->recent_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "recent_flow_box")
+  );
+
+  handle->people_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "people_flow_box")
+  );
+
+  _add_emoji_buttons(
+      handle->people_flow_box,
+      chat->send_text_view,
+      EMOJI_SMILEYS_CHARACTER_COUNT,
+      emoji_smileys_characters
+  );
+
+  handle->nature_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "nature_flow_box")
+  );
+
+  _add_emoji_buttons(
+      handle->nature_flow_box,
+      chat->send_text_view,
+      EMOJI_ANIMALS_CHARACTER_COUNT,
+      emoji_animals_characters
+  );
+
+  handle->food_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "food_flow_box")
+  );
+
+  _add_emoji_buttons(
+      handle->food_flow_box,
+      chat->send_text_view,
+      EMOJI_FOOD_CHARACTER_COUNT,
+      emoji_food_characters
+  );
+
+  handle->activities_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "activities_flow_box")
+  );
+
+  _add_emoji_buttons(
+      handle->activities_flow_box,
+      chat->send_text_view,
+      EMOJI_ACTIVITIES_CHARACTER_COUNT,
+      emoji_activities_characters
+  );
+
+  handle->travel_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "travel_flow_box")
+  );
+
+  _add_emoji_buttons(
+      handle->travel_flow_box,
+      chat->send_text_view,
+      EMOJI_TRAVEL_CHARACTER_COUNT,
+      emoji_travel_characters
+  );
+
+  handle->objects_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "objects_flow_box")
+  );
+
+  _add_emoji_buttons(
+      handle->objects_flow_box,
+      chat->send_text_view,
+      EMOJI_OBJECTS_CHARACTER_COUNT,
+      emoji_objects_characters
+  );
+
+  handle->symbols_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "symbols_flow_box")
+  );
+
+  _add_emoji_buttons(
+      handle->symbols_flow_box,
+      chat->send_text_view,
+      EMOJI_SYMBOLS_CHARACTER_COUNT,
+      emoji_symbols_characters
+  );
+
+  handle->flags_flow_box = GTK_FLOW_BOX(
+      gtk_builder_get_object(handle->builder, "flags_flow_box")
+  );
+
+  _add_emoji_buttons(
+      handle->flags_flow_box,
+      chat->send_text_view,
+      EMOJI_FLAGS_CHARACTER_COUNT,
+      emoji_flags_characters
+  );
+
+  handle->emoji_search_bar = HDY_SEARCH_BAR(
+      gtk_builder_get_object(handle->builder, "emoji_search_bar")
+  );
+
+  handle->emoji_search_entry = GTK_SEARCH_ENTRY(
+      gtk_builder_get_object(handle->builder, "emoji_search_entry")
+  );
+
+  handle->search_button = GTK_BUTTON(
+      gtk_builder_get_object(handle->builder, "search_button")
+  );
+
+  g_signal_connect(
+      handle->search_button,
+      "clicked",
+      G_CALLBACK(handle_search_button_click),
+      handle
+  );
+
+  handle->settings_button = GTK_BUTTON(
+      gtk_builder_get_object(handle->builder, "settings_button")
+  );
+
+  return handle;
+}
+
+void
+ui_picker_delete(UI_PICKER_Handle *handle)
+{
+  hdy_view_switcher_bar_set_stack(handle->picker_switcher_bar, NULL);
+  hdy_view_switcher_bar_set_stack(handle->emoji_switcher_bar, NULL);
+
+  g_object_unref(handle->builder);
+
+  g_free(handle);
+}