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Change the way in which color scheme information is merged to correctly

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2006-12-11  Matthias Clasen  <mclasen@redhat.com>

	* gtksettings.c: Change the way in which color scheme information
	is merged to correctly handle vanishing colors.  (#374420,
	Benjamin Berg, patch by Callum McKenzie)
	Also allow to separate entries in color schemes by ';'
	instead of newline.
This commit is contained in:
Matthias Clasen 2006-12-11 06:16:21 +00:00 committed by Matthias Clasen
parent d503f5d028
commit 57b078de1e
2 changed files with 102 additions and 38 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2006-12-11 Matthias Clasen <mclasen@redhat.com>
* gtksettings.c: Change the way in which color scheme information
is merged to correctly handle vanishing colors. (#374420,
Benjamin Berg, patch by Callum McKenzie)
Also allow to separate entries in color schemes by ';'
instead of newline.
2006-12-10 Matthias Clasen <mclasen@redhat.com>
* modules/printbackends/cups/gtkcupsutils.c (gtk_cups_request_encode_option):

132
gtk/gtksettings.c
View File

@ -485,6 +485,12 @@ gtk_settings_class_init (GtkSettingsClass *class)
* merged, color specifications will be converted to hexadecimal form
* when getting this property.
*
* Starting with GTK+ 2.12, the entries can alternatively be separated
* by ';' instead of newlines:
* <programlisting>
* name1: color1; name2: color2; ...
* </programlisting>
*
* Since: 2.10
*/
result = settings_install_property_parser (class,
@ -1727,31 +1733,40 @@ settings_update_color_scheme (GtkSettings *settings)
typedef struct {
GHashTable *color_hash;
gchar *tables[GTK_SETTINGS_SOURCE_APPLICATION + 1];
GHashTable *tables[GTK_SETTINGS_SOURCE_APPLICATION + 1];
gchar *lastentry[GTK_SETTINGS_SOURCE_APPLICATION + 1];
} ColorSchemeData;
static gboolean
update_color_hash (ColorSchemeData *data,
const gchar *str,
GtkSettingsSource source)
add_color_to_hash (gchar *name,
GdkColor *color,
GHashTable *target)
{
gchar *copy, *s, *p, *name;
GdkColor *old, *new;
old = g_hash_table_lookup (target, name);
if (!old || !gdk_color_equal (old, color))
{
new = gdk_color_copy (color);
g_hash_table_insert (target, g_strdup (name), new);
return TRUE;
}
return FALSE;
}
static gboolean
add_colors_to_hash_from_string (GHashTable *hash,
const gchar *colors)
{
gchar *s, *p, *name;
GdkColor color;
gboolean changed = FALSE;
gchar *copy;
if (data->tables[source] == NULL && str == NULL)
return FALSE;
if (data->tables[source] != NULL && str != NULL &&
strcmp (data->tables[source], str) == 0)
return FALSE;
g_free (data->tables[source]);
data->tables[source] = g_strdup (str);
copy = g_strdup (str);
copy = g_strdup (colors);
s = copy;
while (s && *s)
{
@ -1771,7 +1786,7 @@ update_color_hash (ColorSchemeData *data,
s = p;
while (*s)
{
if (*s == '\n')
if (*s == '\n' || *s == ';')
{
*s = '\0';
s++;
@ -1781,23 +1796,7 @@ update_color_hash (ColorSchemeData *data,
}
if (gdk_color_parse (p, &color))
{
GdkColor *old;
old = g_hash_table_lookup (data->color_hash, name);
if (!old ||
(old->pixel <= source && !gdk_color_equal (old, &color)))
{
GdkColor *new;
new = gdk_color_copy (&color);
new->pixel = source;
g_hash_table_insert (data->color_hash, g_strdup (name), new);
changed = TRUE;
}
}
changed = add_color_to_hash (name, &color, hash);
}
g_free (copy);
@ -1805,6 +1804,59 @@ update_color_hash (ColorSchemeData *data,
return changed;
}
static gboolean
update_color_hash (ColorSchemeData *data,
const gchar *str,
GtkSettingsSource source)
{
gboolean changed = FALSE;
gint i;
if ((str == NULL || *str == '\0') &&
(data->lastentry[source] == NULL || data->lastentry[source][0] == '\0'))
return FALSE;
if (str && data->lastentry[source] && strcmp (str, data->lastentry[source]) == 0)
return FALSE;
/* For the RC_FILE source we merge the values rather than over-writing
* them, since multiple rc files might define independent sets of colors
*/
if ((source != GTK_SETTINGS_SOURCE_RC_FILE) &&
data->tables[source] && g_hash_table_size (data->tables[source]) > 0)
{
g_hash_table_unref (data->tables[source]);
data->tables[source] = NULL;
changed = TRUE; /* We can't rely on the code below since str might be "" */
}
if (data->tables[source] == NULL)
data->tables[source] = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free,
(GDestroyNotify) gdk_color_free);
g_free (data->lastentry[source]);
data->lastentry[source] = g_strdup (str);
changed |= add_colors_to_hash_from_string (data->tables[source], str);
if (!changed)
return FALSE;
/* Rebuild the merged hash table. */
g_hash_table_unref (data->color_hash);
data->color_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
(GDestroyNotify) gdk_color_free);
for (i = 0; i <= GTK_SETTINGS_SOURCE_APPLICATION; i++)
{
if (data->tables[i])
g_hash_table_foreach (data->tables[i], (GHFunc) add_color_to_hash,
data->color_hash);
}
return TRUE;
}
static void
color_scheme_data_free (ColorSchemeData *data)
{
@ -1813,7 +1865,11 @@ color_scheme_data_free (ColorSchemeData *data)
g_hash_table_unref (data->color_hash);
for (i = 0; i <= GTK_SETTINGS_SOURCE_APPLICATION; i++)
g_free (data->tables[i]);
{
if (data->tables[i])
g_hash_table_unref (data->tables[i]);
g_free (data->lastentry[i]);
}
g_free (data);
}
@ -1829,11 +1885,11 @@ merge_color_scheme (GtkSettings *settings,
colors = g_value_get_string (value);
data = (ColorSchemeData *) g_object_get_data (G_OBJECT (settings),
"gtk-color-scheme");
"gtk-color-scheme");
if (!data)
{
data = g_new0 (ColorSchemeData, 1);
data->color_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
data->color_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
(GDestroyNotify) gdk_color_free);
g_object_set_data_full (G_OBJECT (settings), "gtk-color-scheme",
data, (GDestroyNotify) color_scheme_data_free);