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Add a GtkEntry::invisible-char style property

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Allow themes to set a preferred invisible character. GTK+ will
still fall back to other candidates if the character is not available
in the font.
This commit is contained in:
Matthias Clasen 2009-04-30 14:40:22 -04:00
parent 5457956c79
commit 8f1a578ade
2 changed files with 37 additions and 1 deletions
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8
NEWS
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@ -1,3 +1,11 @@
Overview of Changes from GTK+ 2.16.x to 2.17.0
==============================================
* Changes that are relevant for theme authors
- GtkEntry now has a ::invisible-char style property that allows
themes to set the preferred invisible character
Overview of Changes from GTK+ 2.16.0 to 2.16.1
==============================================

30
gtk/gtkentry.c
View File

@ -1213,6 +1213,27 @@ gtk_entry_class_init (GtkEntryClass *class)
GTK_TYPE_BORDER,
GTK_PARAM_READABLE));
/**
* GtkEntry::invisible-char:
*
* The invisible character is used when masking entry contents (in
* \"password mode\")"). When it is not explicitly set with the
* #GtkEntry::invisible-char property, GTK+ determines the character
* to use from a list of possible candidates, depending on availability
* in the current font.
*
* This style property allows the theme to prepend a character
* to the list of candidates.
*
* Since: 2.22
*/
gtk_widget_class_install_style_property (widget_class,
g_param_spec_unichar ("invisible-char",
P_("Invisible character"),
P_("The character to use when masking entry contents (in \"password mode\")"),
0,
GTK_PARAM_READABLE));
/**
* GtkEntry::populate-popup:
* @entry: The entry on which the signal is emitted
@ -2149,12 +2170,18 @@ find_invisible_char (GtkWidget *widget)
PangoAttrList *attr_list;
gint i;
gunichar invisible_chars [] = {
0,
0x25cf, /* BLACK CIRCLE */
0x2022, /* BULLET */
0x2731, /* HEAVY ASTERISK */
0x273a /* SIXTEEN POINTED ASTERISK */
};
if (widget->style)
gtk_widget_style_get (widget,
"invisible-char", &invisible_chars[0],
NULL);
layout = gtk_widget_create_pango_layout (widget, NULL);
attr_list = pango_attr_list_new ();
@ -2163,7 +2190,7 @@ find_invisible_char (GtkWidget *widget)
pango_layout_set_attributes (layout, attr_list);
pango_attr_list_unref (attr_list);
for (i = 0; i < G_N_ELEMENTS (invisible_chars); i++)
for (i = (invisible_chars[0] != 0 ? 0 : 1); i < G_N_ELEMENTS (invisible_chars); i++)
{
gchar text[7] = { 0, };
gint len, count;
@ -2181,6 +2208,7 @@ find_invisible_char (GtkWidget *widget)
}
g_object_unref (layout);
return '*';
}