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gucharmap-charmap.c
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gucharmap-charmap.c
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/*
* Copyright (c) 2004 Noah Levitt
* Copyright (c) 2007, 2008 Christian Persch
* Copyright (c) 2016 DaeHyun Sung
*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <glib/gi18n-lib.h>
#include <gtk/gtk.h>
#include <stdlib.h>
#include <string.h>
#include "gucharmap.h"
#include "gucharmap-marshal.h"
#include "gucharmap-private.h"
struct _GucharmapCharmapPrivate {
GtkWidget *notebook;
GucharmapChaptersView *chapters_view;
GucharmapChartable *chartable;
GtkTextView *details_view;
GtkTextTag *text_tag_gimongous;
GtkTextTag *text_tag_big;
PangoFontDescription *font_desc;
GdkCursor *hand_cursor;
GdkCursor *regular_cursor;
guint active_page;
guint hovering_over_link : 1;
guint last_character_set : 1;
};
enum
{
STATUS_MESSAGE,
LINK_CLICKED,
NUM_SIGNALS
};
enum {
PROP_0,
PROP_CHAPTERS_MODEL,
PROP_ACTIVE_CHAPTER,
PROP_ACTIVE_CHARACTER,
PROP_ACTIVE_CODEPOINT_LIST,
PROP_ACTIVE_PAGE,
PROP_SNAP_POW2,
PROP_FONT_DESC,
PROP_FONT_FALLBACK
};
static guint gucharmap_charmap_signals[NUM_SIGNALS];
static void gucharmap_charmap_class_init (GucharmapCharmapClass *klass);
static void gucharmap_charmap_init (GucharmapCharmap *charmap);
G_DEFINE_TYPE (GucharmapCharmap, gucharmap_charmap, GTK_TYPE_PANED)
static void
gucharmap_charmap_finalize (GObject *object)
{
GucharmapCharmap *charmap = GUCHARMAP_CHARMAP (object);
GucharmapCharmapPrivate *priv = charmap->priv;
g_object_unref (priv->hand_cursor);
g_object_unref (priv->regular_cursor);
if (priv->font_desc)
pango_font_description_free (priv->font_desc);
G_OBJECT_CLASS (gucharmap_charmap_parent_class)->finalize (object);
}
static void
gucharmap_charmap_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GucharmapCharmap *charmap = GUCHARMAP_CHARMAP (object);
GucharmapCharmapPrivate *priv = charmap->priv;
switch (prop_id) {
case PROP_CHAPTERS_MODEL:
g_value_set_object (value, gucharmap_charmap_get_chapters_model (charmap));
break;
case PROP_ACTIVE_CHAPTER:
g_value_take_string (value, gucharmap_chapters_view_get_selected (priv->chapters_view));
break;
case PROP_ACTIVE_CHARACTER:
g_value_set_uint (value, gucharmap_charmap_get_active_character (charmap));
break;
case PROP_ACTIVE_CODEPOINT_LIST:
g_value_set_object (value, gucharmap_charmap_get_active_codepoint_list (charmap));
break;
case PROP_ACTIVE_PAGE:
g_value_set_uint (value, gucharmap_charmap_get_active_page (charmap));
break;
case PROP_FONT_DESC:
g_value_set_boxed (value, gucharmap_charmap_get_font_desc (charmap));
break;
case PROP_FONT_FALLBACK:
g_value_set_boolean (value, gucharmap_charmap_get_font_fallback (charmap));
break;
case PROP_SNAP_POW2:
g_value_set_boolean (value, gucharmap_charmap_get_snap_pow2 (charmap));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gucharmap_charmap_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GucharmapCharmap *charmap = GUCHARMAP_CHARMAP (object);
GucharmapCharmapPrivate *priv = charmap->priv;
switch (prop_id) {
case PROP_CHAPTERS_MODEL:
gucharmap_charmap_set_chapters_model (charmap, g_value_get_object (value));
break;
case PROP_ACTIVE_CHAPTER:
gucharmap_chapters_view_set_selected (priv->chapters_view,
g_value_get_string (value));
break;
case PROP_ACTIVE_CHARACTER:
gucharmap_charmap_set_active_character (charmap, g_value_get_uint (value));
break;
case PROP_ACTIVE_PAGE:
gucharmap_charmap_set_active_page (charmap, g_value_get_uint (value));
break;
case PROP_FONT_DESC:
gucharmap_charmap_set_font_desc (charmap, g_value_get_boxed (value));
break;
case PROP_FONT_FALLBACK:
gucharmap_charmap_set_font_fallback (charmap, g_value_get_boolean (value));
break;
case PROP_SNAP_POW2:
gucharmap_charmap_set_snap_pow2 (charmap, g_value_get_boolean (value));
break;
case PROP_ACTIVE_CODEPOINT_LIST: /* read-only */
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gucharmap_charmap_class_init (GucharmapCharmapClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
_gucharmap_intl_ensure_initialized ();
object_class->get_property = gucharmap_charmap_get_property;
object_class->set_property = gucharmap_charmap_set_property;
object_class->finalize = gucharmap_charmap_finalize;
gucharmap_charmap_signals[STATUS_MESSAGE] =
g_signal_new (I_("status-message"), gucharmap_charmap_get_type (),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GucharmapCharmapClass, status_message),
NULL, NULL, g_cclosure_marshal_VOID__STRING, G_TYPE_NONE,
1, G_TYPE_STRING);
gucharmap_charmap_signals[LINK_CLICKED] =
g_signal_new (I_("link-clicked"), gucharmap_charmap_get_type (),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GucharmapCharmapClass, link_clicked),
NULL, NULL, _gucharmap_marshal_VOID__UINT_UINT, G_TYPE_NONE,
2, G_TYPE_UINT, G_TYPE_UINT);
g_object_class_install_property
(object_class,
PROP_CHAPTERS_MODEL,
g_param_spec_object ("chapters-model", NULL, NULL,
GUCHARMAP_TYPE_CHAPTERS_MODEL,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_NICK |
G_PARAM_STATIC_BLURB));
g_object_class_install_property
(object_class,
PROP_ACTIVE_CHAPTER,
g_param_spec_string ("active-chapter", NULL, NULL,
NULL,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_NICK |
G_PARAM_STATIC_BLURB));
g_object_class_install_property
(object_class,
PROP_ACTIVE_CHARACTER,
g_param_spec_uint ("active-character", NULL, NULL,
0,
UNICHAR_MAX,
0,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_NICK |
G_PARAM_STATIC_BLURB));
g_object_class_install_property
(object_class,
PROP_ACTIVE_CODEPOINT_LIST,
g_param_spec_object ("active-codepoint-list", NULL, NULL,
GUCHARMAP_TYPE_CODEPOINT_LIST,
G_PARAM_READABLE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_NICK |
G_PARAM_STATIC_BLURB));
g_object_class_install_property
(object_class,
PROP_ACTIVE_PAGE,
g_param_spec_uint ("active-page", NULL, NULL,
0,
G_MAXUINT,
0,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_NICK |
G_PARAM_STATIC_BLURB));
g_object_class_install_property
(object_class,
PROP_FONT_DESC,
g_param_spec_boxed ("font-desc", NULL, NULL,
PANGO_TYPE_FONT_DESCRIPTION,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_NICK |
G_PARAM_STATIC_BLURB));
/**
* GucharmapCharmap:font-fallback:
*
* Whether font fallback is enabled.
*
* Since: 2.34
*/
g_object_class_install_property
(object_class,
PROP_FONT_FALLBACK,
g_param_spec_boolean ("font-fallback", NULL, NULL,
TRUE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class,
PROP_SNAP_POW2,
g_param_spec_boolean ("snap-power-2", NULL, NULL,
FALSE,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_NICK |
G_PARAM_STATIC_BLURB));
g_type_class_add_private (object_class, sizeof (GucharmapCharmapPrivate));
}
static void
gucharmap_charmap_update_text_tags (GucharmapCharmap *charmap)
{
GucharmapCharmapPrivate *priv = charmap->priv;
GtkStyle *style;
int default_font_size;
style = gtk_widget_get_style (GTK_WIDGET (priv->details_view));
default_font_size = pango_font_description_get_size (style->font_desc);
if (priv->font_desc)
g_object_set (priv->text_tag_gimongous, "font-desc", priv->font_desc, NULL);
/* FIXME: do we need to consider whether the font size is absolute or not? */
g_object_set (priv->text_tag_gimongous,
"size", 8 * default_font_size,
"left-margin", PANGO_PIXELS (5 * default_font_size),
NULL);
g_object_set (priv->text_tag_big,
"size", default_font_size * 5 / 4,
NULL);
}
static void
gucharmap_charmap_set_font_desc_internal (GucharmapCharmap *charmap,
PangoFontDescription *font_desc /* adopting */,
gboolean in_notification)
{
GucharmapCharmapPrivate *priv = charmap->priv;
GObject *object = G_OBJECT (charmap);
gboolean equal;
g_object_freeze_notify (object);
equal = priv->font_desc != NULL &&
pango_font_description_equal (priv->font_desc, font_desc);
if (priv->font_desc)
pango_font_description_free (priv->font_desc);
priv->font_desc = font_desc; /* adopted */
if (!in_notification)
gucharmap_chartable_set_font_desc (priv->chartable, font_desc);
if (gtk_widget_get_style (GTK_WIDGET (priv->details_view)))
gucharmap_charmap_update_text_tags (charmap);
if (!equal)
g_object_notify (G_OBJECT (charmap), "font-desc");
g_object_thaw_notify (object);
}
static void
insert_vanilla_detail (GucharmapCharmap *charmap,
GtkTextBuffer *buffer,
GtkTextIter *iter,
const gchar *name,
const gchar *value)
{
gtk_text_buffer_insert (buffer, iter, name, -1);
gtk_text_buffer_insert (buffer, iter, " ", -1);
gtk_text_buffer_insert_with_tags_by_name (buffer, iter, value, -1,
"detail-value", NULL);
gtk_text_buffer_insert (buffer, iter, "\n", -1);
}
/* makes a nice string and makes it a link to the character */
static void
insert_codepoint (GucharmapCharmap *charmap,
GtkTextBuffer *buffer,
GtkTextIter *iter,
gunichar uc)
{
gchar *str;
GtkTextTag *tag;
str = g_strdup_printf ("U+%4.4X %s", uc,
gucharmap_get_unicode_name (uc));
tag = gtk_text_buffer_create_tag (buffer, NULL,
"foreground", "blue",
"underline", PANGO_UNDERLINE_SINGLE,
NULL);
/* add one so that zero is the "nothing" value, since U+0000 is a character */
g_object_set_data (G_OBJECT (tag), "link-character", GUINT_TO_POINTER (uc + 1));
gtk_text_buffer_insert_with_tags (buffer, iter, str, -1, tag, NULL);
g_free (str);
}
static void
insert_chocolate_detail_codepoints (GucharmapCharmap *charmap,
GtkTextBuffer *buffer,
GtkTextIter *iter,
const gchar *name,
const gunichar *ucs)
{
gint i;
gtk_text_buffer_insert (buffer, iter, name, -1);
gtk_text_buffer_insert (buffer, iter, "\n", -1);
for (i = 0; ucs[i] != (gunichar)(-1); i++)
{
gtk_text_buffer_insert (buffer, iter, " • ", -1);
insert_codepoint (charmap, buffer, iter, ucs[i]);
gtk_text_buffer_insert (buffer, iter, "\n", -1);
}
gtk_text_buffer_insert (buffer, iter, "\n", -1);
}
#define is_hex_digit(c) (((c) >= '0' && (c) <= '9') \
|| ((c) >= 'A' && (c) <= 'F'))
/* - "XXXX-YYYY" used in annotation of U+003D
* - Annotation of U+03C0 uses ".XXXX" as a fractional number,
* so don't add "." to the list.
* Add here if you know more. */
#define is_blank(c) ( ((c) == ' ') \
|| ((c) == '-') )
#define is_blank_or_hex_or(a,b) ( !((a) < len) \
|| is_blank(str[a]) \
|| (is_hex_digit(str[a]) && (b)) )
/* returns a pointer to the start of (?=[^ -])[0-9A-F]{4,5,6}[^0-9A-F],
* or null if not found */
static const gchar *
find_codepoint (const gchar *str)
{
guint i, len;
/* what we are searching for is ascii; in this case, we don't have to
* worry about multibyte characters at all */
len = strlen (str);
for (i = 0; i + 3 < len; i++)
{
if ( ( !(i > 0) || is_blank(str[i-1]) )
&& is_hex_digit (str[i+0]) && is_hex_digit (str[i+1])
&& is_hex_digit (str[i+2]) && is_hex_digit (str[i+3])
&& is_blank_or_hex_or(i+4, is_blank_or_hex_or(i+5,
(i+6 < len) || !is_hex_digit (str[i+6]))) )
return str + i;
}
return NULL;
}
static void
insert_string_link_codepoints (GucharmapCharmap *charmap,
GtkTextBuffer *buffer,
GtkTextIter *iter,
const gchar *str)
{
const gchar *p1, *p2;
p1 = str;
for (;;)
{
p2 = find_codepoint (p1);
if (p2 != NULL)
{
gunichar uc;
gtk_text_buffer_insert (buffer, iter, p1, p2 - p1);
uc = strtoul (p2, (gchar **) &p1, 16);
insert_codepoint (charmap, buffer, iter, uc);
}
else
{
gtk_text_buffer_insert (buffer, iter, p1, -1);
break;
}
}
}
/* values is a null-terminated array of strings */
static void
insert_chocolate_detail (GucharmapCharmap *charmap,
GtkTextBuffer *buffer,
GtkTextIter *iter,
const gchar *name,
const gchar **values,
gboolean expand_codepoints)
{
gint i;
gtk_text_buffer_insert (buffer, iter, name, -1);
gtk_text_buffer_insert (buffer, iter, "\n", -1);
for (i = 0; values[i]; i++)
{
gtk_text_buffer_insert (buffer, iter, " • ", -1);
if (expand_codepoints)
insert_string_link_codepoints (charmap, buffer, iter, values[i]);
else
gtk_text_buffer_insert (buffer, iter, values[i], -1);
gtk_text_buffer_insert (buffer, iter, "\n", -1);
}
gtk_text_buffer_insert (buffer, iter, "\n", -1);
}
static void
insert_heading (GucharmapCharmap *charmap,
GtkTextBuffer *buffer,
GtkTextIter *iter,
const gchar *heading)
{
gtk_text_buffer_insert (buffer, iter, "\n", -1);
gtk_text_buffer_insert_with_tags_by_name (buffer, iter, heading, -1,
"bold", NULL);
gtk_text_buffer_insert (buffer, iter, "\n\n", -1);
}
static void
conditionally_insert_canonical_decomposition (GucharmapCharmap *charmap,
GtkTextBuffer *buffer,
GtkTextIter *iter,
gunichar uc)
{
gunichar *decomposition;
gsize result_len;
guint i;
decomposition = g_unicode_canonical_decomposition (uc, &result_len);
if (result_len == 1)
{
g_free (decomposition);
return;
}
gtk_text_buffer_insert (buffer, iter, _("Canonical decomposition:"), -1);
gtk_text_buffer_insert (buffer, iter, " ", -1);
insert_codepoint (charmap, buffer, iter, decomposition[0]);
for (i = 1; i < result_len; i++)
{
gtk_text_buffer_insert (buffer, iter, " + ", -1);
insert_codepoint (charmap, buffer, iter, decomposition[i]);
}
gtk_text_buffer_insert (buffer, iter, "\n", -1);
g_free (decomposition);
}
static void
set_details (GucharmapCharmap *charmap,
gunichar uc)
{
GucharmapCharmapPrivate *priv = charmap->priv;
GtkTextBuffer *buffer;
GtkTextIter iter;
GString *gstemp;
gchar *temp;
const gchar *csp;
gchar buf[12];
guchar utf8[7];
gint n, i;
const gchar **csarr;
gunichar *ucs;
gunichar2 *utf16;
GucharmapUnicodeVersion version;
buffer = gtk_text_view_get_buffer (priv->details_view);
gtk_text_buffer_set_text (buffer, "", 0);
gtk_text_buffer_get_start_iter (buffer, &iter);
gtk_text_buffer_place_cursor (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, "\n", -1);
n = gucharmap_unichar_to_printable_utf8 (uc, buf);
if (n == 0)
gtk_text_buffer_insert (
buffer, &iter, _("[not a printable character]"), -1);
else
gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, buf, n,
"gimongous", NULL);
gtk_text_buffer_insert (buffer, &iter, "\n\n", -1);
/* character name */
temp = g_strdup_printf ("U+%4.4X %s\n",
uc, gucharmap_get_unicode_name (uc));
gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, temp, -1,
"big", "bold", NULL);
g_free (temp);
insert_heading (charmap, buffer, &iter, _("General Character Properties"));
/* Unicode version */
version = gucharmap_get_unicode_version (uc);
if (version != GUCHARMAP_UNICODE_VERSION_UNASSIGNED)
insert_vanilla_detail (charmap, buffer, &iter,
_("In Unicode since:"),
gucharmap_unicode_version_to_string (version));
/* character category */
insert_vanilla_detail (charmap, buffer, &iter, _("Unicode category:"),
gucharmap_get_unicode_category_name (uc));
/* canonical decomposition */
conditionally_insert_canonical_decomposition (charmap, buffer, &iter, uc);
/* representations */
if (g_unichar_break_type(uc) != G_UNICODE_BREAK_SURROGATE)
{
insert_heading (charmap, buffer, &iter, _("Various Useful Representations"));
n = g_unichar_to_utf8 (uc, (gchar *)utf8);
utf16 = g_ucs4_to_utf16 (&uc, 1, NULL, NULL, NULL);
/* UTF-8 */
gstemp = g_string_new (NULL);
for (i = 0; i < n; i++)
g_string_append_printf (gstemp, "0x%2.2X ", utf8[i]);
g_string_erase (gstemp, gstemp->len - 1, -1);
insert_vanilla_detail (charmap, buffer, &iter, _("UTF-8:"), gstemp->str);
g_string_free (gstemp, TRUE);
/* UTF-16 */
gstemp = g_string_new (NULL);
g_string_append_printf (gstemp, "0x%4.4X", utf16[0]);
if (utf16[0] != '\0' && utf16[1] != '\0')
g_string_append_printf (gstemp, " 0x%4.4X", utf16[1]);
insert_vanilla_detail (charmap, buffer, &iter, _("UTF-16:"), gstemp->str);
g_string_free (gstemp, TRUE);
/* an empty line */
gtk_text_buffer_insert (buffer, &iter, "\n", -1);
/* C octal \012\234 */
gstemp = g_string_new (NULL);
for (i = 0; i < n; i++)
g_string_append_printf (gstemp, "\\%3.3o", utf8[i]);
insert_vanilla_detail (charmap, buffer, &iter,
_("C octal escaped UTF-8:"), gstemp->str);
g_string_free (gstemp, TRUE);
/* XML decimal entity */
if ((0x0001 <= uc && uc <= 0xD7FF) ||
(0xE000 <= uc && uc <= 0xFFFD) ||
(0x10000 <= uc && uc <= 0x10FFFF))
{
temp = g_strdup_printf ("&#%d;", uc);
insert_vanilla_detail (charmap, buffer, &iter,
_("XML decimal entity:"), temp);
g_free (temp);
}
g_free(utf16);
}
/* annotations */
if (_gucharmap_unicode_has_nameslist_entry (uc))
{
insert_heading (charmap, buffer, &iter,
_("Annotations and Cross References"));
/* nameslist equals (alias names) */
csarr = gucharmap_get_nameslist_equals (uc);
if (csarr != NULL)
{
insert_chocolate_detail (charmap, buffer, &iter,
_("Alias names:"), csarr, FALSE);
g_free (csarr);
}
/* nameslist stars (notes) */
csarr = gucharmap_get_nameslist_stars (uc);
if (csarr != NULL)
{
insert_chocolate_detail (charmap, buffer, &iter,
_("Notes:"), csarr, TRUE);
g_free (csarr);
}
/* nameslist exes (see also) */
ucs = gucharmap_get_nameslist_exes (uc);
if (ucs != NULL)
{
insert_chocolate_detail_codepoints (charmap, buffer, &iter,
_("See also:"), ucs);
g_free (ucs);
}
/* nameslist pounds (approximate equivalents) */
csarr = gucharmap_get_nameslist_pounds (uc);
if (csarr != NULL)
{
insert_chocolate_detail (charmap, buffer, &iter,
_("Approximate equivalents:"), csarr, TRUE);
g_free (csarr);
}
/* nameslist colons (equivalents) */
csarr = gucharmap_get_nameslist_colons (uc);
if (csarr != NULL)
{
insert_chocolate_detail (charmap, buffer, &iter,
_("Equivalents:"), csarr, TRUE);
g_free (csarr);
}
}
/* this isn't so bad efficiency-wise */
if (gucharmap_get_unicode_kDefinition (uc)
|| gucharmap_get_unicode_kCantonese (uc)
|| gucharmap_get_unicode_kMandarin (uc)
|| gucharmap_get_unicode_kJapaneseOn (uc)
|| gucharmap_get_unicode_kJapaneseKun (uc)
|| gucharmap_get_unicode_kTang (uc)
|| gucharmap_get_unicode_kKorean (uc)
|| gucharmap_get_unicode_kHangul(uc)
|| gucharmap_get_unicode_kVietnamese(uc))
{
insert_heading (charmap, buffer, &iter, _("CJK Ideograph Information"));
csp = gucharmap_get_unicode_kDefinition (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Definition in English:"), csp);
csp = gucharmap_get_unicode_kMandarin (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Mandarin Pronunciation:"), csp);
csp = gucharmap_get_unicode_kCantonese (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Cantonese Pronunciation:"), csp);
csp = gucharmap_get_unicode_kJapaneseOn (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Japanese On Pronunciation:"), csp);
csp = gucharmap_get_unicode_kJapaneseKun (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Japanese Kun Pronunciation:"), csp);
csp = gucharmap_get_unicode_kTang (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Tang Pronunciation:"), csp);
csp = gucharmap_get_unicode_kKorean (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Korean Pronunciation:"), csp);
csp = gucharmap_get_unicode_kHangul (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Korean Alphabet(Hangul):"), csp);
csp = gucharmap_get_unicode_kVietnamese (uc);
if (csp)
insert_vanilla_detail (charmap, buffer, &iter,
_("Vietnamese Pronunciation:"), csp);
}
}
static void
chartable_status_message (GucharmapCharmap *charmap,
const gchar *message)
{
g_signal_emit (charmap, gucharmap_charmap_signals[STATUS_MESSAGE],
0, message);
}
static void
chartable_sync_active_char (GtkWidget *widget,
GParamSpec *pspec,
GucharmapCharmap *charmap)
{
GucharmapCharmapPrivate *priv = charmap->priv;
GString *gs;
const gchar *temp;
const gchar **temps;
gint i;
gunichar wc;
wc = gucharmap_chartable_get_active_character (priv->chartable);
/* Forward the notification */
g_object_notify (G_OBJECT (charmap), "active-character");
if (priv->active_page == GUCHARMAP_CHARMAP_PAGE_DETAILS)
set_details (charmap, wc);
gs = g_string_sized_new (256);
g_string_append_printf (gs, "U+%4.4X %s", wc,
gucharmap_get_unicode_name (wc));
temp = gucharmap_get_unicode_kDefinition (wc);
if (temp)
g_string_append_printf (gs, " %s", temp);
temps = gucharmap_get_nameslist_equals (wc);
if (temps)
{
g_string_append_printf (gs, " = %s", temps[0]);
for (i = 1; temps[i]; i++)
g_string_append_printf (gs, "; %s", temps[i]);
g_free (temps);
}
temps = gucharmap_get_nameslist_stars (wc);
if (temps)
{
g_string_append_printf (gs, " • %s", temps[0]);
for (i = 1; temps[i]; i++)
g_string_append_printf (gs, "; %s", temps[i]);
g_free (temps);
}
chartable_status_message (charmap, gs->str);
g_string_free (gs, TRUE);
}
static void
chartable_sync_font_desc (GucharmapChartable *chartable,
GParamSpec *pspec,
GucharmapCharmap *charmap)
{
GucharmapCharmapPrivate *priv = charmap->priv;
PangoFontDescription *font_desc;
font_desc = gucharmap_chartable_get_font_desc (chartable);
gucharmap_charmap_set_font_desc_internal (charmap,
pango_font_description_copy (font_desc),
//FIXME FALSE,
priv->font_desc != NULL /* Do notify if we didn't have a font desc yet */);
}
static void
chartable_notify_cb (GtkWidget *widget,
GParamSpec *pspec,
GObject *charmap)
{
const char *prop_name;
if (pspec->name == I_("codepoint-list"))
prop_name = "active-codepoint-list";
else if (pspec->name == I_("snap-pow2"))
prop_name = pspec->name;
else
return;
/* Forward the notification */
g_object_notify (charmap, prop_name);
}
static void
follow_if_link (GucharmapCharmap *charmap,
GtkTextIter *iter)
{
GucharmapCharmapPrivate *priv = charmap->priv;
GSList *tags = NULL, *tagp = NULL;
tags = gtk_text_iter_get_tags (iter);
for (tagp = tags; tagp != NULL; tagp = tagp->next)
{
GtkTextTag *tag = tagp->data;
gunichar uc;
/* subtract 1 because U+0000 is a character; see above where we set
* "link-character" */
uc = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (tag), "link-character")) - 1;
if (uc != (gunichar)(-1))
{
g_signal_emit (charmap, gucharmap_charmap_signals[LINK_CLICKED], 0,
gucharmap_chartable_get_active_character (priv->chartable),
uc);
gucharmap_charmap_set_active_character (charmap, uc);
break;
}
}
if (tags)
g_slist_free (tags);
}
static void
details_style_set (GtkWidget *widget,
GtkStyle *previous_style,
GucharmapCharmap *charmap)
{
gucharmap_charmap_update_text_tags (charmap);
}
static gboolean
details_key_press_event (GtkWidget *text_view,
GdkEventKey *event,
GucharmapCharmap *charmap)
{
GtkTextIter iter;
GtkTextBuffer *buffer;
switch (event->keyval)
{
case GDK_KEY_Return:
case GDK_KEY_ISO_Enter:
case GDK_KEY_KP_Enter:
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
gtk_text_buffer_get_iter_at_mark (buffer, &iter,
gtk_text_buffer_get_insert (buffer));
follow_if_link (charmap, &iter);
break;
default:
break;
}
return FALSE;
}
static gboolean
details_event_after (GtkWidget *text_view,
GdkEvent *ev,
GucharmapCharmap *charmap)
{
GtkTextIter start, end, iter;
GtkTextBuffer *buffer;
GdkEventButton *event;
gint x, y;
if (ev->type != GDK_BUTTON_RELEASE)
return FALSE;
event = (GdkEventButton *) ev;
if (event->button != 1)
return FALSE;
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
/* we shouldn't follow a link if the user has selected something */
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
return FALSE;
gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
GTK_TEXT_WINDOW_WIDGET,
event->x, event->y, &x, &y);
gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y);
follow_if_link (charmap, &iter);
return FALSE;
}
static void
set_cursor_if_appropriate (GucharmapCharmap *charmap,
gint x,
gint y)
{
GucharmapCharmapPrivate *priv = charmap->priv;
GSList *tags = NULL, *tagp = NULL;
GtkTextIter iter;
gboolean hovering_over_link = FALSE;
gtk_text_view_get_iter_at_location (priv->details_view,
&iter, x, y);
tags = gtk_text_iter_get_tags (&iter);
for (tagp = tags; tagp != NULL; tagp = tagp->next)
{
GtkTextTag *tag = tagp->data;
gunichar uc;
/* subtract 1 because U+0000 is a character; see above where we set
* "link-character" */
uc = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (tag), "link-character")) - 1;
if (uc != (gunichar)(-1))
{
hovering_over_link = TRUE;
break;
}
}
if (hovering_over_link != priv->hovering_over_link)
{
priv->hovering_over_link = hovering_over_link;
if (hovering_over_link)
gdk_window_set_cursor (gtk_text_view_get_window (priv->details_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor);
else
gdk_window_set_cursor (gtk_text_view_get_window (priv->details_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor);
}
if (tags)
g_slist_free (tags);
}
static gboolean
details_motion_notify_event (GtkWidget *text_view,
GdkEventMotion *event,
GucharmapCharmap *charmap)
{
gint x, y;