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/* gtd-utils.c
*
* Copyright 2018-2020 Georges Basile Stavracas Neto <georges.stavracas@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/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "gtd-bin-layout.h"
#include "gtd-max-size-layout.h"
#include "gtd-task.h"
#include "gtd-utils.h"
#include "gtd-utils-private.h"
#include "gtd-widget.h"
#include <gtk/gtk.h>
#include <string.h>
/* Combining diacritical mark?
* Basic range: [0x0300,0x036F]
* Supplement: [0x1DC0,0x1DFF]
* For Symbols: [0x20D0,0x20FF]
* Half marks: [0xFE20,0xFE2F]
*/
#define IS_CDM_UCS4(c) (((c) >= 0x0300 && (c) <= 0x036F) || \
((c) >= 0x1DC0 && (c) <= 0x1DFF) || \
((c) >= 0x20D0 && (c) <= 0x20FF) || \
((c) >= 0xFE20 && (c) <= 0xFE2F))
#define IS_SOFT_HYPHEN(c) ((c) == 0x00AD)
/* Copied from tracker/src/libtracker-fts/tracker-parser-glib.c under the GPL
* And then from gnome-shell/src/shell-util.c
*
* Originally written by Aleksander Morgado <aleksander@gnu.org>
*/
gchar*
gtd_normalize_casefold_and_unaccent (const gchar *str)
{
g_autofree gchar *normalized = NULL;
gchar *tmp;
gint i = 0;
gint j = 0;
gint ilen;
if (str == NULL)
return NULL;
normalized = g_utf8_normalize (str, -1, G_NORMALIZE_NFKD);
tmp = g_utf8_casefold (normalized, -1);
ilen = strlen (tmp);
while (i < ilen)
{
gunichar unichar;
gchar *next_utf8;
gint utf8_len;
/* Get next character of the word as UCS4 */
unichar = g_utf8_get_char_validated (&tmp[i], -1);
/* Invalid UTF-8 character or end of original string. */
if (unichar == (gunichar) -1 ||
unichar == (gunichar) -2)
{
break;
}
/* Find next UTF-8 character */
next_utf8 = g_utf8_next_char (&tmp[i]);
utf8_len = next_utf8 - &tmp[i];
if (IS_CDM_UCS4 (unichar) || IS_SOFT_HYPHEN (unichar))
{
/* If the given unichar is a combining diacritical mark,
* just update the original index, not the output one */
i += utf8_len;
continue;
}
/* If already found a previous combining
* diacritical mark, indexes are different so
* need to copy characters. As output and input
* buffers may overlap, need to use memmove
* instead of memcpy */
if (i != j)
{
memmove (&tmp[j], &tmp[i], utf8_len);
}
/* Update both indexes */
i += utf8_len;
j += utf8_len;
}
/* Force proper string end */
tmp[j] = '\0';
return tmp;
}
GdkPaintable*
gtd_create_circular_paintable (GdkRGBA *color,
gint size)
{
g_autoptr (GtkSnapshot) snapshot = NULL;
GskRoundedRect rect;
snapshot = gtk_snapshot_new ();
gtk_snapshot_push_rounded_clip (snapshot,
gsk_rounded_rect_init_from_rect (&rect,
&GRAPHENE_RECT_INIT (0, 0, size, size),
size / 2.0));
gtk_snapshot_append_color (snapshot, color, &GRAPHENE_RECT_INIT (0, 0, size, size));
gtk_snapshot_pop (snapshot);
return gtk_snapshot_to_paintable (snapshot, &GRAPHENE_SIZE_INIT (size, size));
}
gint
gtd_collate_compare_strings (const gchar *string_a,
const gchar *string_b)
{
g_autofree gchar *collated_a = NULL;
g_autofree gchar *collated_b = NULL;
collated_a = g_utf8_collate_key (string_a, -1);
collated_b = g_utf8_collate_key (string_b, -1);
return g_strcmp0 (collated_a, collated_b);
}
void
gtd_ensure_types (void)
{
g_type_ensure (GTD_TYPE_BIN_LAYOUT);
g_type_ensure (GTD_TYPE_MAX_SIZE_LAYOUT);
g_type_ensure (GTD_TYPE_WIDGET);
}
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