forked from AuroraMiddleware/gtk
7937da632a
Update the settings schema to follow the change in Emoji data, and make the emoji chooser code handle the new format.
632 lines
20 KiB
C
632 lines
20 KiB
C
/* gtkemojichooser.c: An Emoji chooser widget
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* Copyright 2017, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkemojichooser.h"
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#include "gtkadjustment.h"
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#include "gtkbox.h"
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#include "gtkbutton.h"
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#include "gtkcssprovider.h"
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#include "gtkentry.h"
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#include "gtkflowbox.h"
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#include "gtkstack.h"
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#include "gtklabel.h"
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#include "gtkgesturelongpress.h"
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#include "gtkpopover.h"
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#include "gtkscrolledwindow.h"
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#include "gtkintl.h"
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#include "gtkprivate.h"
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typedef struct {
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GtkWidget *box;
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GtkWidget *heading;
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GtkWidget *button;
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const char *first;
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gunichar label;
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gboolean empty;
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} EmojiSection;
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struct _GtkEmojiChooser
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{
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GtkPopover parent_instance;
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GtkWidget *search_entry;
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GtkWidget *stack;
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GtkWidget *scrolled_window;
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EmojiSection recent;
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EmojiSection people;
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EmojiSection body;
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EmojiSection nature;
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EmojiSection food;
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EmojiSection travel;
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EmojiSection activities;
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EmojiSection objects;
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EmojiSection symbols;
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EmojiSection flags;
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GtkGesture *recent_press;
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GtkGesture *people_press;
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GtkGesture *body_press;
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GVariant *data;
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GSettings *settings;
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};
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struct _GtkEmojiChooserClass {
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GtkPopoverClass parent_class;
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};
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enum {
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EMOJI_PICKED,
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LAST_SIGNAL
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};
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static int signals[LAST_SIGNAL];
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G_DEFINE_TYPE (GtkEmojiChooser, gtk_emoji_chooser, GTK_TYPE_POPOVER)
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static void
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gtk_emoji_chooser_finalize (GObject *object)
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{
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GtkEmojiChooser *chooser = GTK_EMOJI_CHOOSER (object);
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g_variant_unref (chooser->data);
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g_object_unref (chooser->settings);
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G_OBJECT_CLASS (gtk_emoji_chooser_parent_class)->finalize (object);
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}
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static void
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scroll_to_section (GtkButton *button,
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gpointer data)
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{
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EmojiSection *section = data;
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GtkEmojiChooser *chooser;
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GtkAdjustment *adj;
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GtkAllocation alloc = { 0, 0, 0, 0 };
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double page_increment, value;
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gboolean dummy;
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chooser = GTK_EMOJI_CHOOSER (gtk_widget_get_ancestor (GTK_WIDGET (button), GTK_TYPE_EMOJI_CHOOSER));
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adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (chooser->scrolled_window));
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if (section->heading)
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gtk_widget_get_allocation (section->heading, &alloc);
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page_increment = gtk_adjustment_get_page_increment (adj);
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value = gtk_adjustment_get_value (adj);
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gtk_adjustment_set_page_increment (adj, alloc.y - value);
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g_signal_emit_by_name (chooser->scrolled_window, "scroll-child", GTK_SCROLL_PAGE_FORWARD, FALSE, &dummy);
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gtk_adjustment_set_page_increment (adj, page_increment);
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}
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static void
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add_emoji (GtkWidget *box,
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gboolean prepend,
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GVariant *item,
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gunichar modifier);
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#define MAX_RECENT (7*3)
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static void
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populate_recent_section (GtkEmojiChooser *chooser)
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{
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GVariant *variant;
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GVariant *item;
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GVariantIter iter;
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variant = g_settings_get_value (chooser->settings, "recent-emoji");
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g_variant_iter_init (&iter, variant);
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while ((item = g_variant_iter_next_value (&iter)))
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{
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GVariant *emoji_data;
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gunichar modifier;
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emoji_data = g_variant_get_child_value (item, 0);
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g_variant_get_child (item, 1, "u", &modifier);
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add_emoji (chooser->recent.box, FALSE, emoji_data, modifier);
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g_variant_unref (emoji_data);
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g_variant_unref (item);
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}
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g_variant_unref (variant);
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}
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static void
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add_recent_item (GtkEmojiChooser *chooser,
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GVariant *item,
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gunichar modifier)
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{
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GList *children, *l;
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int i;
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GVariantBuilder builder;
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g_variant_ref (item);
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g_variant_builder_init (&builder, G_VARIANT_TYPE ("a((auss)u)"));
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g_variant_builder_add (&builder, "(@(auss)u)", item, modifier);
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children = gtk_container_get_children (GTK_CONTAINER (chooser->recent.box));
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for (l = children, i = 1; l; l = l->next, i++)
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{
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GVariant *item2 = g_object_get_data (G_OBJECT (l->data), "emoji-data");
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gunichar modifier2 = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (l->data), "modifier"));
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if (modifier == modifier2 && g_variant_equal (item, item2))
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{
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gtk_widget_destroy (GTK_WIDGET (l->data));
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i--;
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continue;
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}
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if (i >= MAX_RECENT)
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{
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gtk_widget_destroy (GTK_WIDGET (l->data));
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continue;
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}
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g_variant_builder_add (&builder, "(@(auss)u)", item2, modifier2);
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}
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g_list_free (children);
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add_emoji (chooser->recent.box, TRUE, item, modifier);
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g_settings_set_value (chooser->settings, "recent-emoji", g_variant_builder_end (&builder));
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g_variant_unref (item);
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}
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static void
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emoji_activated (GtkFlowBox *box,
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GtkFlowBoxChild *child,
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gpointer data)
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{
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GtkEmojiChooser *chooser = data;
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char *text;
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GtkWidget *label;
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GVariant *item;
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gunichar modifier;
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gtk_popover_popdown (GTK_POPOVER (chooser));
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label = gtk_bin_get_child (GTK_BIN (child));
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text = g_strdup (gtk_label_get_label (GTK_LABEL (label)));
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item = (GVariant*) g_object_get_data (G_OBJECT (child), "emoji-data");
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modifier = (gunichar) GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (child), "modifier"));
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add_recent_item (chooser, item, modifier);
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g_signal_emit (data, signals[EMOJI_PICKED], 0, text);
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g_free (text);
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}
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static void
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long_pressed_cb (GtkGesture *gesture,
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double x,
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double y,
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gpointer data)
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{
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GtkWidget *child;
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GtkWidget *popover;
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GtkWidget *view;
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GtkWidget *box;
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GVariant *emoji_data;
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GtkWidget *parent_popover;
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GVariant *codes;
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int i;
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gboolean has_variations;
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gunichar modifier;
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box = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
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child = GTK_WIDGET (gtk_flow_box_get_child_at_pos (GTK_FLOW_BOX (box), x, y));
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if (!child)
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return;
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emoji_data = (GVariant*) g_object_get_data (G_OBJECT (child), "emoji-data");
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if (!emoji_data)
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return;
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has_variations = FALSE;
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codes = g_variant_get_child_value (emoji_data, 0);
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for (i = 0; i < g_variant_n_children (codes); i++)
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{
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gunichar code;
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g_variant_get_child (codes, i, "u", &code);
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if (code == 0)
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{
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has_variations = TRUE;
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break;
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}
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}
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g_variant_unref (codes);
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if (!has_variations)
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return;
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parent_popover = gtk_widget_get_ancestor (child, GTK_TYPE_POPOVER);
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popover = gtk_popover_new (child);
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view = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_style_context_add_class (gtk_widget_get_style_context (view), "view");
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box = gtk_flow_box_new ();
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gtk_flow_box_set_homogeneous (GTK_FLOW_BOX (box), TRUE);
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gtk_flow_box_set_min_children_per_line (GTK_FLOW_BOX (box), 6);
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gtk_flow_box_set_max_children_per_line (GTK_FLOW_BOX (box), 6);
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gtk_flow_box_set_activate_on_single_click (GTK_FLOW_BOX (box), TRUE);
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gtk_flow_box_set_selection_mode (GTK_FLOW_BOX (box), GTK_SELECTION_NONE);
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gtk_container_add (GTK_CONTAINER (popover), view);
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gtk_container_add (GTK_CONTAINER (view), box);
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g_signal_connect (box, "child-activated", G_CALLBACK (emoji_activated), parent_popover);
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add_emoji (box, FALSE, emoji_data, 0);
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for (modifier = 0x1f3fb; modifier <= 0x1f3ff; modifier++)
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add_emoji (box, FALSE, emoji_data, modifier);
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gtk_popover_popup (GTK_POPOVER (popover));
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}
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static void
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add_emoji (GtkWidget *box,
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gboolean prepend,
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GVariant *item,
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gunichar modifier)
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{
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GtkWidget *child;
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GtkWidget *label;
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PangoAttrList *attrs;
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GVariant *codes;
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char text[64];
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char *p = text;
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int i;
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codes = g_variant_get_child_value (item, 0);
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for (i = 0; i < g_variant_n_children (codes); i++)
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{
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gunichar code;
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g_variant_get_child (codes, i, "u", &code);
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if (code == 0)
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code = modifier;
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if (code != 0)
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p += g_unichar_to_utf8 (code, p);
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}
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p[0] = 0;
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label = gtk_label_new (text);
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attrs = pango_attr_list_new ();
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pango_attr_list_insert (attrs, pango_attr_scale_new (PANGO_SCALE_X_LARGE));
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gtk_label_set_attributes (GTK_LABEL (label), attrs);
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pango_attr_list_unref (attrs);
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child = gtk_flow_box_child_new ();
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gtk_style_context_add_class (gtk_widget_get_style_context (child), "emoji");
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g_object_set_data_full (G_OBJECT (child), "emoji-data",
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g_variant_ref (item),
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(GDestroyNotify)g_variant_unref);
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if (modifier != 0)
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g_object_set_data (G_OBJECT (child), "modifier", GUINT_TO_POINTER (modifier));
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gtk_container_add (GTK_CONTAINER (child), label);
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gtk_flow_box_insert (GTK_FLOW_BOX (box), child, prepend ? 0 : -1);
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}
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static void
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populate_emoji_chooser (GtkEmojiChooser *chooser)
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{
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GBytes *bytes = NULL;
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GVariantIter iter;
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GVariant *item;
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GtkWidget *box;
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bytes = g_resources_lookup_data ("/org/gtk/libgtk/emoji/emoji.data", 0, NULL);
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chooser->data = g_variant_ref_sink (g_variant_new_from_bytes (G_VARIANT_TYPE ("a(auss)"), bytes, TRUE));
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g_variant_iter_init (&iter, chooser->data);
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box = chooser->people.box;
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while ((item = g_variant_iter_next_value (&iter)))
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{
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const char *name;
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g_variant_get_child (item, 1, "&s", &name);
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if (strcmp (name, chooser->body.first) == 0)
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box = chooser->body.box;
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else if (strcmp (name, chooser->nature.first) == 0)
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box = chooser->nature.box;
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else if (strcmp (name, chooser->food.first) == 0)
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box = chooser->food.box;
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else if (strcmp (name, chooser->travel.first) == 0)
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box = chooser->travel.box;
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else if (strcmp (name, chooser->activities.first) == 0)
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box = chooser->activities.box;
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else if (strcmp (name, chooser->objects.first) == 0)
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box = chooser->objects.box;
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else if (strcmp (name, chooser->symbols.first) == 0)
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box = chooser->symbols.box;
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else if (strcmp (name, chooser->flags.first) == 0)
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box = chooser->flags.box;
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add_emoji (box, FALSE, item, 0);
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}
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g_bytes_unref (bytes);
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}
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static void
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update_state (EmojiSection *section,
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double value)
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{
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GtkAllocation alloc = { 0, 0, 0, 20 };
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if (section->heading)
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gtk_widget_get_allocation (section->heading, &alloc);
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if (alloc.y <= value && value < alloc.y + alloc.height)
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gtk_widget_set_state_flags (section->button, GTK_STATE_FLAG_CHECKED, FALSE);
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else
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gtk_widget_unset_state_flags (section->button, GTK_STATE_FLAG_CHECKED);
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}
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static void
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adj_value_changed (GtkAdjustment *adj,
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gpointer data)
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{
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GtkEmojiChooser *chooser = data;
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double value = gtk_adjustment_get_value (adj);
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update_state (&chooser->recent, value);
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update_state (&chooser->people, value);
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update_state (&chooser->body, value);
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update_state (&chooser->nature, value);
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update_state (&chooser->food, value);
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update_state (&chooser->travel, value);
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update_state (&chooser->activities, value);
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update_state (&chooser->objects, value);
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update_state (&chooser->symbols, value);
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update_state (&chooser->flags, value);
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}
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static gboolean
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filter_func (GtkFlowBoxChild *child,
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gpointer data)
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{
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EmojiSection *section = data;
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GtkEmojiChooser *chooser;
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GVariant *emoji_data;
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const char *text;
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const char *name;
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gboolean res;
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res = TRUE;
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chooser = GTK_EMOJI_CHOOSER (gtk_widget_get_ancestor (GTK_WIDGET (child), GTK_TYPE_EMOJI_CHOOSER));
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text = gtk_entry_get_text (GTK_ENTRY (chooser->search_entry));
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emoji_data = (GVariant *) g_object_get_data (G_OBJECT (child), "emoji-data");
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if (text[0] == 0)
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goto out;
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if (!emoji_data)
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goto out;
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g_variant_get_child (emoji_data, 1, "&s", &name);
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res = strstr (name, text) != NULL;
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out:
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if (res)
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section->empty = FALSE;
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return res;
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}
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static void
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invalidate_section (EmojiSection *section)
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{
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section->empty = TRUE;
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gtk_flow_box_invalidate_filter (GTK_FLOW_BOX (section->box));
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}
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static void
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update_headings (GtkEmojiChooser *chooser)
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{
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gtk_widget_set_visible (chooser->people.heading, !chooser->people.empty);
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gtk_widget_set_visible (chooser->body.heading, !chooser->body.empty);
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gtk_widget_set_visible (chooser->nature.heading, !chooser->nature.empty);
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gtk_widget_set_visible (chooser->food.heading, !chooser->food.empty);
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gtk_widget_set_visible (chooser->travel.heading, !chooser->travel.empty);
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gtk_widget_set_visible (chooser->activities.heading, !chooser->activities.empty);
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gtk_widget_set_visible (chooser->objects.heading, !chooser->objects.empty);
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gtk_widget_set_visible (chooser->symbols.heading, !chooser->symbols.empty);
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gtk_widget_set_visible (chooser->flags.heading, !chooser->flags.empty);
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if (chooser->recent.empty && chooser->people.empty &&
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chooser->body.empty && chooser->nature.empty &&
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chooser->food.empty && chooser->travel.empty &&
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chooser->activities.empty && chooser->objects.empty &&
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chooser->symbols.empty && chooser->flags.empty)
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gtk_stack_set_visible_child_name (GTK_STACK (chooser->stack), "empty");
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else
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gtk_stack_set_visible_child_name (GTK_STACK (chooser->stack), "list");
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}
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static void
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search_changed (GtkEntry *entry,
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gpointer data)
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{
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GtkEmojiChooser *chooser = data;
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invalidate_section (&chooser->recent);
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invalidate_section (&chooser->people);
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invalidate_section (&chooser->body);
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invalidate_section (&chooser->nature);
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invalidate_section (&chooser->food);
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invalidate_section (&chooser->travel);
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invalidate_section (&chooser->activities);
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invalidate_section (&chooser->objects);
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invalidate_section (&chooser->symbols);
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invalidate_section (&chooser->flags);
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update_headings (chooser);
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}
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static void
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setup_section (GtkEmojiChooser *chooser,
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EmojiSection *section,
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|
const char *first,
|
|
gunichar label)
|
|
{
|
|
char text[14];
|
|
char *p;
|
|
GtkAdjustment *adj;
|
|
|
|
section->first = first;
|
|
|
|
p = text;
|
|
p += g_unichar_to_utf8 (label, p);
|
|
p += g_unichar_to_utf8 (0xfe0e, p);
|
|
p[0] = 0;
|
|
gtk_button_set_label (GTK_BUTTON (section->button), text);
|
|
|
|
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
|
|
gtk_emoji_chooser_init (GtkEmojiChooser *chooser)
|
|
{
|
|
GtkAdjustment *adj;
|
|
|
|
chooser->settings = g_settings_new ("org.gtk.Settings.EmojiChooser");
|
|
|
|
gtk_widget_init_template (GTK_WIDGET (chooser));
|
|
|
|
chooser->recent_press = gtk_gesture_long_press_new (chooser->recent.box);
|
|
g_signal_connect (chooser->recent_press, "pressed", G_CALLBACK (long_pressed_cb), chooser);
|
|
|
|
chooser->people_press = gtk_gesture_long_press_new (chooser->people.box);
|
|
g_signal_connect (chooser->people_press, "pressed", G_CALLBACK (long_pressed_cb), chooser);
|
|
|
|
chooser->body_press = gtk_gesture_long_press_new (chooser->body.box);
|
|
g_signal_connect (chooser->body_press, "pressed", G_CALLBACK (long_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, 0x1f557);
|
|
setup_section (chooser, &chooser->people, "grinning face", 0x1f642);
|
|
setup_section (chooser, &chooser->body, "selfie", 0x1f44d);
|
|
setup_section (chooser, &chooser->nature, "monkey face", 0x1f337);
|
|
setup_section (chooser, &chooser->food, "grapes", 0x1f374);
|
|
setup_section (chooser, &chooser->travel, "globe showing Europe-Africa", 0x2708);
|
|
setup_section (chooser, &chooser->activities, "jack-o-lantern", 0x1f3c3);
|
|
setup_section (chooser, &chooser->objects, "muted speaker", 0x1f514);
|
|
setup_section (chooser, &chooser->symbols, "ATM sign", 0x2764);
|
|
setup_section (chooser, &chooser->flags, "chequered flag", 0x1f3f4);
|
|
|
|
populate_emoji_chooser (chooser);
|
|
populate_recent_section (chooser);
|
|
}
|
|
|
|
static void
|
|
gtk_emoji_chooser_show (GtkWidget *widget)
|
|
{
|
|
GtkEmojiChooser *chooser = GTK_EMOJI_CHOOSER (widget);
|
|
GtkAdjustment *adj;
|
|
|
|
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), "");
|
|
|
|
GTK_WIDGET_CLASS (gtk_emoji_chooser_parent_class)->show (widget);
|
|
}
|
|
|
|
static void
|
|
gtk_emoji_chooser_class_init (GtkEmojiChooserClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
|
|
|
object_class->finalize = gtk_emoji_chooser_finalize;
|
|
widget_class->show = gtk_emoji_chooser_show;
|
|
|
|
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, "/org/gtk/libgtk/ui/gtkemojichooser.ui");
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, search_entry);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, stack);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, scrolled_window);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, recent.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, recent.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, people.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, people.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, people.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, body.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, body.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, body.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, nature.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, nature.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, nature.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, food.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, food.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, food.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, travel.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, travel.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, travel.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, activities.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, activities.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, activities.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, objects.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, objects.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, objects.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, symbols.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, symbols.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, symbols.button);
|
|
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, flags.box);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, flags.heading);
|
|
gtk_widget_class_bind_template_child (widget_class, GtkEmojiChooser, flags.button);
|
|
|
|
gtk_widget_class_bind_template_callback (widget_class, emoji_activated);
|
|
gtk_widget_class_bind_template_callback (widget_class, search_changed);
|
|
}
|
|
|
|
GtkWidget *
|
|
gtk_emoji_chooser_new (void)
|
|
{
|
|
return GTK_WIDGET (g_object_new (GTK_TYPE_EMOJI_CHOOSER, NULL));
|
|
}
|