Port from GTK3 to GTK4

1 files changed, 0 insertions, 823 deletions

diff --git a/main/src/emojichooser.c b/main/src/emojichooser.c
deleted file mode 100644
index ba401ddc..00000000
--- a/main/src/emojichooser.c
+++ /dev/null
@@ -1,823 +0,0 @@
-/* gtkemojichooser.c: An Emoji chooser widget
- * Copyright 2017, Red Hat, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "emojichooser.h"
-
-#define BOX_SPACE 6
-
-typedef struct {
-  GtkWidget *box;
-  GtkWidget *heading;
-  GtkWidget *button;
-  const char *first;
-  gunichar label;
-  gboolean empty;
-} EmojiSection;
-
-struct _DinoEmojiChooser
-{
-  GtkPopover parent_instance;
-
-  GtkWidget *search_entry;
-  GtkWidget *stack;
-  GtkWidget *scrolled_window;
-
-  int emoji_max_width;
-
-  EmojiSection recent;
-  EmojiSection people;
-  EmojiSection body;
-  EmojiSection nature;
-  EmojiSection food;
-  EmojiSection travel;
-  EmojiSection activities;
-  EmojiSection objects;
-  EmojiSection symbols;
-  EmojiSection flags;
-
-  GtkGesture *recent_long_press;
-  GtkGesture *recent_multi_press;
-  GtkGesture *people_long_press;
-  GtkGesture *people_multi_press;
-  GtkGesture *body_long_press;
-  GtkGesture *body_multi_press;
-
-  GVariant *data;
-  GtkWidget *box;
-  GVariantIter *iter;
-  guint populate_idle;
-
-  GSettings *settings;
-};
-
-struct _DinoEmojiChooserClass {
-  GtkPopoverClass parent_class;
-  gboolean (* popover_button_release_event)	(GtkWidget	     *widget,
-						 GdkEventButton      *event);
-};
-
-enum {
-  EMOJI_PICKED,
-  LAST_SIGNAL
-};
-
-static int signals[LAST_SIGNAL];
-
-G_DEFINE_TYPE (DinoEmojiChooser, dino_emoji_chooser, GTK_TYPE_POPOVER)
-
-static void
-dino_emoji_chooser_finalize (GObject *object)
-{
-  DinoEmojiChooser *chooser = DINO_EMOJI_CHOOSER (object);
-
-  if (chooser->populate_idle)
-    g_source_remove (chooser->populate_idle);
-
-  g_variant_unref (chooser->data);
-  g_object_unref (chooser->settings);
-
-  g_clear_object (&chooser->recent_long_press);
-  g_clear_object (&chooser->recent_multi_press);
-  g_clear_object (&chooser->people_long_press);
-  g_clear_object (&chooser->people_multi_press);
-  g_clear_object (&chooser->body_long_press);
-  g_clear_object (&chooser->body_multi_press);
-
-  G_OBJECT_CLASS (dino_emoji_chooser_parent_class)->finalize (object);
-}
-
-static void
-scroll_to_section (GtkButton *button,
-                   gpointer   data)
-{
-  EmojiSection *section = data;
-  DinoEmojiChooser *chooser;
-  GtkAdjustment *adj;
-  GtkAllocation alloc = { 0, 0, 0, 0 };
-
-  chooser = DINO_EMOJI_CHOOSER (gtk_widget_get_ancestor (GTK_WIDGET (button), GTK_TYPE_EMOJI_CHOOSER));
-
-  adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (chooser->scrolled_window));
-
-  if (section->heading)
-    gtk_widget_get_allocation (section->heading, &alloc);
-
-  gtk_adjustment_set_value (adj, alloc.y - BOX_SPACE);
-}
-
-static void
-add_emoji (GtkWidget    *box,
-           gboolean      prepend,
-           GVariant     *item,
-           gunichar      modifier,
-           DinoEmojiChooser *chooser);
-
-#define MAX_RECENT (7*3)
-
-static void
-populate_recent_section (DinoEmojiChooser *chooser)
-{
-  GVariant *variant;
-  GVariant *item;
-  GVariantIter iter;
-  gboolean empty = FALSE;
-
-  variant = g_settings_get_value (chooser->settings, "recent-emoji");
-  g_variant_iter_init (&iter, variant);
-  while ((item = g_variant_iter_next_value (&iter)))
-    {
-      GVariant *emoji_data;
-      gunichar modifier;
-
-      emoji_data = g_variant_get_child_value (item, 0);
-      g_variant_get_child (item, 1, "u", &modifier);
-      add_emoji (chooser->recent.box, FALSE, emoji_data, modifier, chooser);
-      g_variant_unref (emoji_data);
-      g_variant_unref (item);
-      empty = FALSE;
-    }
-
-  if (!empty)
-    {
-      gtk_widget_show (chooser->recent.box);
-      gtk_widget_set_sensitive (chooser->recent.button, TRUE);
-    }
-  g_variant_unref (variant);
-}
-
-static void
-add_recent_item (DinoEmojiChooser *chooser,
-                 GVariant        *item,
-                 gunichar         modifier)
-{
-  GList *children, *l;
-  int i;
-  GVariantBuilder builder;
-
-  g_variant_ref (item);
-
-  g_variant_builder_init (&builder, G_VARIANT_TYPE ("a((auss)u)"));
-  g_variant_builder_add (&builder, "(@(auss)u)", item, modifier);
-
-  children = gtk_container_get_children (GTK_CONTAINER (chooser->recent.box));
-  for (l = children, i = 1; l; l = l->next, i++)
-    {
-      GVariant *item2 = g_object_get_data (G_OBJECT (l->data), "emoji-data");
-      gunichar modifier2 = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (l->data), "modifier"));
-
-      if (modifier == modifier2 && g_variant_equal (item, item2))
-        {
-          gtk_widget_destroy (GTK_WIDGET (l->data));
-          i--;
-          continue;
-        }
-      if (i >= MAX_RECENT)
-        {
-          gtk_widget_destroy (GTK_WIDGET (l->data));
-          continue;
-        }
-
-      g_variant_builder_add (&builder, "(@(auss)u)", item2, modifier2);
-    }
-  g_list_free (children);
-
-  add_emoji (chooser->recent.box, TRUE, item, modifier, chooser);
-
-  /* Enable recent */
-  gtk_widget_show (chooser->recent.box);
-  gtk_widget_set_sensitive (chooser->recent.button, TRUE);
-
-  g_settings_set_value (chooser->settings, "recent-emoji", g_variant_builder_end (&builder));
-
-  g_variant_unref (item);
-}
-
-static void
-emoji_activated (GtkFlowBox      *box,
-                 GtkFlowBoxChild *child,
-                 gpointer         data)
-{
-  DinoEmojiChooser *chooser = data;
-  char *text;
-  GtkWidget *ebox;
-  GtkWidget *label;
-  GVariant *item;
-  gunichar modifier;
-
-  gtk_popover_popdown (GTK_POPOVER (chooser));
-
-  ebox = gtk_bin_get_child (GTK_BIN (child));
-  label = gtk_bin_get_child (GTK_BIN (ebox));
-  text = g_strdup (gtk_label_get_label (GTK_LABEL (label)));
-
-  item = (GVariant*) g_object_get_data (G_OBJECT (child), "emoji-data");
-  modifier = (gunichar) GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (child), "modifier"));
-  add_recent_item (chooser, item, modifier);
-
-  g_signal_emit (data, signals[EMOJI_PICKED], 0, text);
-  g_free (text);
-}
-
-static gboolean
-has_variations (GVariant *emoji_data)
-{
-  GVariant *codes;
-  gsize i;
-  gboolean has_variations;
-
-  has_variations = FALSE;
-  codes = g_variant_get_child_value (emoji_data, 0);
-  for (i = 0; i < g_variant_n_children (codes); i++)
-    {
-      gunichar code;
-      g_variant_get_child (codes, i, "u", &code);
-      if (code == 0)
-        {
-          has_variations = TRUE;
-          break;
-        }
-    }
-  g_variant_unref (codes);
-
-  return has_variations;
-}
-
-static void
-show_variations (DinoEmojiChooser *chooser,
-                 GtkWidget       *child)
-{
-  GtkWidget *popover;
-  GtkWidget *view;
-  GtkWidget *box;
-  GVariant *emoji_data;
-  GtkWidget *parent_popover;
-  gunichar modifier;
-
-  if (!child)
-    return;
-
-  emoji_data = (GVariant*) g_object_get_data (G_OBJECT (child), "emoji-data");
-  if (!emoji_data)
-    return;
-
-  if (!has_variations (emoji_data))
-    return;
-
-  parent_popover = gtk_widget_get_ancestor (child, GTK_TYPE_POPOVER);
-  popover = gtk_popover_new (child);
-  view = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-  gtk_style_context_add_class (gtk_widget_get_style_context (view), "view");
-  box = gtk_flow_box_new ();
-  gtk_flow_box_set_homogeneous (GTK_FLOW_BOX (box), TRUE);
-  gtk_flow_box_set_min_children_per_line (GTK_FLOW_BOX (box), 6);
-  gtk_flow_box_set_max_children_per_line (GTK_FLOW_BOX (box), 6);
-  gtk_flow_box_set_activate_on_single_click (GTK_FLOW_BOX (box), TRUE);
-  gtk_flow_box_set_selection_mode (GTK_FLOW_BOX (box), GTK_SELECTION_NONE);
-  gtk_container_add (GTK_CONTAINER (popover), view);
-  gtk_container_add (GTK_CONTAINER (view), box);
-
-  g_signal_connect (box, "child-activated", G_CALLBACK (emoji_activated), parent_popover);
-
-  add_emoji (box, FALSE, emoji_data, 0, chooser);
-  for (modifier = 0x1f3fb; modifier <= 0x1f3ff; modifier++)
-    add_emoji (box, FALSE, emoji_data, modifier, chooser);
-
-  gtk_widget_show_all (view);
-  gtk_popover_popup (GTK_POPOVER (popover));
-}
-
-static void
-update_hover (GtkWidget *widget,
-              GdkEvent  *event,
-              gpointer   data)
-{
-  if (event->type == GDK_ENTER_NOTIFY)
-    gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_PRELIGHT, FALSE);
-  else
-    gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_PRELIGHT);
-}
-
-static void
-long_pressed_cb (GtkGesture *gesture,
-                 double      x,
-                 double      y,
-                 gpointer    data)
-{
-  DinoEmojiChooser *chooser = data;
-  GtkWidget *box;
-  GtkWidget *child;
-
-  box = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
-  child = GTK_WIDGET (gtk_flow_box_get_child_at_pos (GTK_FLOW_BOX (box), x, y));
-  show_variations (chooser, child);
-}
-
-static void
-pressed_cb (GtkGesture *gesture,
-            int         n_press,
-            double      x,
-            double      y,
-            gpointer    data)
-{
-  DinoEmojiChooser *chooser = data;
-  GtkWidget *box;
-  GtkWidget *child;
-
-  box = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
-  child = GTK_WIDGET (gtk_flow_box_get_child_at_pos (GTK_FLOW_BOX (box), x, y));
-  show_variations (chooser, child);
-}
-
-static gboolean
-popup_menu (GtkWidget *widget,
-            gpointer   data)
-{
-  DinoEmojiChooser *chooser = data;
-
-  show_variations (chooser, widget);
-  return TRUE;
-}
-
-static void
-add_emoji (GtkWidget    *box,
-           gboolean      prepend,
-           GVariant     *item,
-           gunichar      modifier,
-           DinoEmojiChooser *chooser)
-{
-  GtkWidget *child;
-  GtkWidget *ebox;
-  GtkWidget *label;
-  PangoAttrList *attrs;
-  GVariant *codes;
-  char text[64];
-  char *p = text;
-  gsize i;
-  PangoLayout *layout;
-  PangoRectangle rect;
-
-  codes = g_variant_get_child_value (item, 0);
-  for (i = 0; i < g_variant_n_children (codes); i++)
-    {
-      gunichar code;
-
-      g_variant_get_child (codes, i, "u", &code);
-      if (code == 0)
-        code = modifier;
-      if (code != 0)
-        p += g_unichar_to_utf8 (code, p);
-    }
-  g_variant_unref (codes);
-  p += g_unichar_to_utf8 (0xFE0F, p); /* U+FE0F is the Emoji variation selector */
-  p[0] = 0;
-
-  label = gtk_label_new (text);
-  attrs = pango_attr_list_new ();
-  pango_attr_list_insert (attrs, pango_attr_scale_new (PANGO_SCALE_X_LARGE));
-  gtk_label_set_attributes (GTK_LABEL (label), attrs);
-  pango_attr_list_unref (attrs);
-
-  layout = gtk_label_get_layout (GTK_LABEL (label));
-  pango_layout_get_extents (layout, &rect, NULL);
-
-  /* Check for fallback rendering that generates too wide items */
-  if (pango_layout_get_unknown_glyphs_count (layout) > 0 ||
-      rect.width >= 1.5 * chooser->emoji_max_width)
-    {
-      gtk_widget_destroy (label);
-      return;
-    }
-
-  child = gtk_flow_box_child_new ();
-  gtk_style_context_add_class (gtk_widget_get_style_context (child), "emoji");
-  g_object_set_data_full (G_OBJECT (child), "emoji-data",
-                          g_variant_ref (item),
-                          (GDestroyNotify)g_variant_unref);
-  if (modifier != 0)
-    g_object_set_data (G_OBJECT (child), "modifier", GUINT_TO_POINTER (modifier));
-
-  ebox = gtk_event_box_new ();
-  gtk_widget_add_events (ebox, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
-  g_signal_connect (ebox, "enter-notify-event", G_CALLBACK (update_hover), FALSE);
-  g_signal_connect (ebox, "leave-notify-event", G_CALLBACK (update_hover), FALSE);
-  gtk_container_add (GTK_CONTAINER (child), ebox);
-  gtk_container_add (GTK_CONTAINER (ebox), label);
-  gtk_widget_show_all (child);
-
-  if (chooser)
-    g_signal_connect (child, "popup-menu", G_CALLBACK (popup_menu), chooser);
-
-  gtk_flow_box_insert (GTK_FLOW_BOX (box), child, prepend ? 0 : -1);
-}
-
-static gboolean
-populate_emoji_chooser (gpointer data)
-{
-  DinoEmojiChooser *chooser = data;
-  GBytes *bytes = NULL;
-  GVariant *item;
-  guint64 start, now;
-
-  start = g_get_monotonic_time ();
-
-  if (!chooser->data)
-    {
-      bytes = g_resources_lookup_data ("/org/gtk/libgtk/emoji/emoji.data", 0, NULL);
-      if (bytes == NULL) {
-        bytes = g_resources_lookup_data ("/org/gtk/libgtk/emoji/en.data", 0, NULL);
-      }
-      chooser->data = g_variant_ref_sink (g_variant_new_from_bytes (G_VARIANT_TYPE ("a(auss)"), bytes, TRUE));
-    }
-
-  if (!chooser->iter)
-    {
-      chooser->iter = g_variant_iter_new (chooser->data);
-      chooser->box = chooser->people.box;
-    }
-  while ((item = g_variant_iter_next_value (chooser->iter)))
-    {
-      const char *name;
-
-      g_variant_get_child (item, 1, "&s", &name);
-
-      if (g_strcmp0 (name, chooser->body.first) == 0)
-        chooser->box = chooser->body.box;
-      else if (g_strcmp0 (name, chooser->nature.first) == 0)
-        chooser->box = chooser->nature.box;
-      else if (g_strcmp0 (name, chooser->food.first) == 0)
-        chooser->box = chooser->food.box;
-      else if (g_strcmp0 (name, chooser->travel.first) == 0)
-        chooser->box = chooser->travel.box;
-      else if (g_strcmp0 (name, chooser->activities.first) == 0)
-        chooser->box = chooser->activities.box;
-      else if (g_strcmp0 (name, chooser->objects.first) == 0)
-        chooser->box = chooser->objects.box;
-      else if (g_strcmp0 (name, chooser->symbols.first) == 0)
-        chooser->box = chooser->symbols.box;
-      else if (g_strcmp0 (name, chooser->flags.first) == 0)
-        chooser->box = chooser->flags.box;
-
-      add_emoji (chooser->box, FALSE, item, 0, chooser);
-      g_variant_unref (item);
-
-      now = g_get_monotonic_time ();
-      if (now > start + 8000)
-        return G_SOURCE_CONTINUE;
-    }
-
-  /* We scroll to the top on show, so check the right button for the 1st time */
-  gtk_widget_set_state_flags (chooser->recent.button, GTK_STATE_FLAG_CHECKED, FALSE);
-
-  g_variant_iter_free (chooser->iter);
-  chooser->iter = NULL;
-  chooser->box = NULL;
-  chooser->populate_idle = 0;
-
-  return G_SOURCE_REMOVE;
-}
-
-static void
-adj_value_changed (GtkAdjustment *adj,
-                   gpointer       data)
-{
-  DinoEmojiChooser *chooser = data;
-  double value = gtk_adjustment_get_value (adj);
-  EmojiSection const *sections[] = {
-    &chooser->recent,
-    &chooser->people,
-    &chooser->body,
-    &chooser->nature,
-    &chooser->food,
-    &chooser->travel,
-    &chooser->activities,
-    &chooser->objects,
-    &chooser->symbols,
-    &chooser->flags,
-  };
-  EmojiSection const *select_section = sections[0];
-  gsize i;
-
-  /* Figure out which section the current scroll position is within */
-  for (i = 0; i < G_N_ELEMENTS (sections); ++i)
-    {
-      EmojiSection const *section = sections[i];
-      GtkAllocation alloc;
-
-      if (section->heading)
-        gtk_widget_get_allocation (section->heading, &alloc);
-      else
-        gtk_widget_get_allocation (section->box, &alloc);
-
-      if (value < alloc.y - BOX_SPACE)
-        break;
-
-      select_section = section;
-    }
-
-  /* Un/Check the section buttons accordingly */
-  for (i = 0; i < G_N_ELEMENTS (sections); ++i)
-    {
-      EmojiSection const *section = sections[i];
-
-      if (section == select_section)
-        gtk_widget_set_state_flags (section->button, GTK_STATE_FLAG_CHECKED, FALSE);
-      else
-        gtk_widget_unset_state_flags (section->button, GTK_STATE_FLAG_CHECKED);
-    }
-}
-
-static gboolean
-filter_func (GtkFlowBoxChild *child,
-             gpointer         data)
-{
-  EmojiSection *section = data;
-  DinoEmojiChooser *chooser;
-  GVariant *emoji_data;
-  const char *text;
-  const char *name;
-  gboolean res;
-
-  res = TRUE;
-
-  chooser = DINO_EMOJI_CHOOSER (gtk_widget_get_ancestor (GTK_WIDGET (child), GTK_TYPE_EMOJI_CHOOSER));
-  text = gtk_entry_get_text (GTK_ENTRY (chooser->search_entry));
-  emoji_data = (GVariant *) g_object_get_data (G_OBJECT (child), "emoji-data");
-
-  if (text[0] == 0)
-    goto out;
-
-  if (!emoji_data)
-    goto out;
-
-  g_variant_get_child (emoji_data, 1, "&s", &name);
-  res = g_str_match_string (text, name, TRUE);
-
-out:
-  if (res)
-    section->empty = FALSE;
-
-  return res;
-}
-
-static void
-invalidate_section (EmojiSection *section)
-{
-  section->empty = TRUE;
-  gtk_flow_box_invalidate_filter (GTK_FLOW_BOX (section->box));
-}
-
-static void
-update_headings (DinoEmojiChooser *chooser)
-{
-  gtk_widget_set_visible (chooser->people.heading, !chooser->people.empty);
-  gtk_widget_set_visible (chooser->people.box, !chooser->people.empty);
-  gtk_widget_set_visible (chooser->body.heading, !chooser->body.empty);
-  gtk_widget_set_visible (chooser->body.box, !chooser->body.empty);
-  gtk_widget_set_visible (chooser->nature.heading, !chooser->nature.empty);
-  gtk_widget_set_visible (chooser->nature.box, !chooser->nature.empty);
-  gtk_widget_set_visible (chooser->food.heading, !chooser->food.empty);
-  gtk_widget_set_visible (chooser->food.box, !chooser->food.empty);
-  gtk_widget_set_visible (chooser->travel.heading, !chooser->travel.empty);
-  gtk_widget_set_visible (chooser->travel.box, !chooser->travel.empty);
-  gtk_widget_set_visible (chooser->activities.heading, !chooser->activities.empty);
-  gtk_widget_set_visible (chooser->activities.box, !chooser->activities.empty);
-  gtk_widget_set_visible (chooser->objects.heading, !chooser->objects.empty);
-  gtk_widget_set_visible (chooser->objects.box, !chooser->objects.empty);
-  gtk_widget_set_visible (chooser->symbols.heading, !chooser->symbols.empty);
-  gtk_widget_set_visible (chooser->symbols.box, !chooser->symbols.empty);
-  gtk_widget_set_visible (chooser->flags.heading, !chooser->flags.empty);
-  gtk_widget_set_visible (chooser->flags.box, !chooser->flags.empty);
-
-  if (chooser->recent.empty && chooser->people.empty &&
-      chooser->body.empty && chooser->nature.empty &&
-      chooser->food.empty && chooser->travel.empty &&
-      chooser->activities.empty && chooser->objects.empty &&
-      chooser->symbols.empty && chooser->flags.empty)
-    gtk_stack_set_visible_child_name (GTK_STACK (chooser->stack), "empty");
-  else
-    gtk_stack_set_visible_child_name (GTK_STACK (chooser->stack), "list");
-}
-
-static void
-search_changed (GtkEntry *entry,
-                gpointer  data)
-{
-  DinoEmojiChooser *chooser = data;
-
-  invalidate_section (&chooser->recent);
-  invalidate_section (&chooser->people);
-  invalidate_section (&chooser->body);
-  invalidate_section (&chooser->nature);
-  invalidate_section (&chooser->food);
-  invalidate_section (&chooser->travel);
-  invalidate_section (&chooser->activities);
-  invalidate_section (&chooser->objects);
-  invalidate_section (&chooser->symbols);
-  invalidate_section (&chooser->flags);
-
-  update_headings (chooser);
-}
-
-static void
-setup_section (DinoEmojiChooser *chooser,
-               EmojiSection   *section,
-               const char     *first,
-               const char     *icon)
-{
-  GtkAdjustment *adj;
-  GtkWidget *image;
-
-  section->first = first;
-
-  image = gtk_bin_get_child (GTK_BIN (section->button));
-  gtk_image_set_from_icon_name (GTK_IMAGE (image), icon, GTK_ICON_SIZE_BUTTON);
-
-  adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (chooser->scrolled_window));
-
-  gtk_container_set_focus_vadjustment (GTK_CONTAINER (section->box), adj);
-  gtk_flow_box_set_filter_func (GTK_FLOW_BOX (section->box), filter_func, section, NULL);
-  g_signal_connect (section->button, "clicked", G_CALLBACK (scroll_to_section), section);
-}
-
-static void
-dino_emoji_chooser_init (DinoEmojiChooser *chooser)
-{
-  GtkAdjustment *adj;
-
-  chooser->settings = g_settings_new ("org.gtk.Settings.EmojiChooser");
-
-  gtk_widget_init_template (GTK_WIDGET (chooser));
-
-  /* Get a reasonable maximum width for an emoji. We do this to
-   * skip overly wide fallback rendering for certain emojis the
-   * font does not contain and therefore end up being rendered
-   * as multiply glyphs.
-   */
-  {
-    PangoLayout *layout = gtk_widget_create_pango_layout (GTK_WIDGET (chooser), "🙂");
-    PangoAttrList *attrs;
-    PangoRectangle rect;
-
-    attrs = pango_attr_list_new ();
-    pango_attr_list_insert (attrs, pango_attr_scale_new (PANGO_SCALE_X_LARGE));
-    pango_layout_set_attributes (layout, attrs);
-    pango_attr_list_unref (attrs);
-
-    pango_layout_get_extents (layout, &rect, NULL);
-    chooser->emoji_max_width = rect.width;
-
-    g_object_unref (layout);
-  }
-
-  chooser->recent_long_press = gtk_gesture_long_press_new (chooser->recent.box);
-  g_signal_connect (chooser->recent_long_press, "pressed", G_CALLBACK (long_pressed_cb), chooser);
-  chooser->recent_multi_press = gtk_gesture_multi_press_new (chooser->recent.box);
-  gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (chooser->recent_multi_press), GDK_BUTTON_SECONDARY);
-  g_signal_connect (chooser->recent_multi_press, "pressed", G_CALLBACK (pressed_cb), chooser);
-
-  chooser->people_long_press = gtk_gesture_long_press_new (chooser->people.box);
-  g_signal_connect (chooser->people_long_press, "pressed", G_CALLBACK (long_pressed_cb), chooser);
-  chooser->people_multi_press = gtk_gesture_multi_press_new (chooser->people.box);
-  gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (chooser->people_multi_press), GDK_BUTTON_SECONDARY);
-  g_signal_connect (chooser->people_multi_press, "pressed", G_CALLBACK (pressed_cb), chooser);
-
-  chooser->body_long_press = gtk_gesture_long_press_new (chooser->body.box);
-  g_signal_connect (chooser->body_long_press, "pressed", G_CALLBACK (long_pressed_cb), chooser);
-  chooser->body_multi_press = gtk_gesture_multi_press_new (chooser->body.box);
-  gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (chooser->body_multi_press), GDK_BUTTON_SECONDARY);
-  g_signal_connect (chooser->body_multi_press, "pressed", G_CALLBACK (pressed_cb), chooser);
-
-  adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (chooser->scrolled_window));
-  g_signal_connect (adj, "value-changed", G_CALLBACK (adj_value_changed), chooser);
-
-  setup_section (chooser, &chooser->recent, NULL, "emoji-recent-symbolic");
-  setup_section (chooser, &chooser->people, "grinning face", "emoji-people-symbolic");
-  setup_section (chooser, &chooser->body, "selfie", "emoji-body-symbolic");
-  setup_section (chooser, &chooser->nature, "monkey face", "emoji-nature-symbolic");
-  setup_section (chooser, &chooser->food, "grapes", "emoji-food-symbolic");
-  setup_section (chooser, &chooser->travel, "globe showing Europe-Africa", "emoji-travel-symbolic");
-  setup_section (chooser, &chooser->activities, "jack-o-lantern", "emoji-activities-symbolic");
-  setup_section (chooser, &chooser->objects, "muted speaker", "emoji-objects-symbolic");
-  setup_section (chooser, &chooser->symbols, "ATM sign", "emoji-symbols-symbolic");
-  setup_section (chooser, &chooser->flags, "chequered flag", "emoji-flags-symbolic");
-
-  populate_recent_section (chooser);
-
-  chooser->populate_idle = g_idle_add (populate_emoji_chooser, chooser);
-  g_source_set_name_by_id (chooser->populate_idle, "[gtk] populate_emoji_chooser");
-}
-
-static void
-dino_emoji_chooser_show (GtkWidget *widget)
-{
-  DinoEmojiChooser *chooser = DINO_EMOJI_CHOOSER (widget);
-  GtkAdjustment *adj;
-
-  GTK_WIDGET_CLASS (dino_emoji_chooser_parent_class)->show (widget);
-
-  adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (chooser->scrolled_window));
-  gtk_adjustment_set_value (adj, 0);
-
-  gtk_entry_set_text (GTK_ENTRY (chooser->search_entry), "");
-}
-
-static gboolean
-dino_emoji_chooser_button_release (GtkWidget      *widget,
-                                   GdkEventButton *event)
-{
-  DinoEmojiChooserClass *klass = DINO_EMOJI_CHOOSER_GET_CLASS(widget);
-  GtkWidget *event_widget = gtk_get_event_widget ((GdkEvent *) event);
-  if (!event_widget && event->window != gtk_widget_get_window (widget))
-    {
-      return GDK_EVENT_PROPAGATE;
-    }
-  return klass->popover_button_release_event (widget, event);
-}
-
-static void
-dino_emoji_chooser_class_init (DinoEmojiChooserClass *klass)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-
-  object_class->finalize = dino_emoji_chooser_finalize;
-  widget_class->show = dino_emoji_chooser_show;
-  klass->popover_button_release_event = widget_class->button_release_event;
-  widget_class->button_release_event = dino_emoji_chooser_button_release;
-
-  signals[EMOJI_PICKED] = g_signal_new ("emoji-picked",
-                                        G_OBJECT_CLASS_TYPE (object_class),
-                                        G_SIGNAL_RUN_LAST,
-                                        0,
-                                        NULL, NULL,
-                                        NULL,
-                                        G_TYPE_NONE, 1, G_TYPE_STRING|G_SIGNAL_TYPE_STATIC_SCOPE);
-
-  gtk_widget_class_set_template_from_resource (widget_class, "/im/dino/Dino/emojichooser.ui");
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, search_entry);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, stack);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, scrolled_window);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, recent.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, recent.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, people.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, people.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, people.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, body.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, body.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, body.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, nature.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, nature.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, nature.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, food.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, food.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, food.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, travel.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, travel.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, travel.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, activities.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, activities.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, activities.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, objects.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, objects.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, objects.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, symbols.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, symbols.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, symbols.button);
-
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, flags.box);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, flags.heading);
-  gtk_widget_class_bind_template_child (widget_class, DinoEmojiChooser, flags.button);
-
-  gtk_widget_class_bind_template_callback (widget_class, emoji_activated);
-  gtk_widget_class_bind_template_callback (widget_class, search_changed);
-}
-
-DinoEmojiChooser *
-dino_emoji_chooser_new (void)
-{
-  return DINO_EMOJI_CHOOSER (g_object_new (GTK_TYPE_EMOJI_CHOOSER, NULL));
-}