forked from AuroraMiddleware/gtk
83fb7a649f
This is just lots of renaming. The interface remains private, so the public API does not change, apart from removing the definition of the Interface object to avoid subclassing.
260 lines
7.2 KiB
C
260 lines
7.2 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright (C) 2011 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gtkcsspalettevalueprivate.h"
|
|
|
|
#include "gtkcssiconthemevalueprivate.h"
|
|
#include "gtkcsscolorvalueprivate.h"
|
|
#include "gtkcssrgbavalueprivate.h"
|
|
|
|
struct _GtkCssValue {
|
|
GTK_CSS_VALUE_BASE
|
|
GHashTable *colors;
|
|
};
|
|
|
|
static GtkCssValue *default_palette;
|
|
|
|
static GtkCssValue *gtk_css_palette_value_new_empty (void);
|
|
|
|
static void
|
|
gtk_css_palette_value_add_color (GtkCssValue *value,
|
|
const char *name,
|
|
GtkCssValue *color)
|
|
{
|
|
g_hash_table_insert (value->colors, g_strdup (name), color);
|
|
}
|
|
|
|
static void
|
|
gtk_css_value_palette_free (GtkCssValue *value)
|
|
{
|
|
g_hash_table_unref (value->colors);
|
|
|
|
g_slice_free (GtkCssValue, value);
|
|
}
|
|
|
|
static GtkCssValue *
|
|
gtk_css_value_palette_compute (GtkCssValue *specified,
|
|
guint property_id,
|
|
GtkStyleProvider *provider,
|
|
GtkCssStyle *style,
|
|
GtkCssStyle *parent_style)
|
|
{
|
|
GHashTableIter iter;
|
|
gpointer name, value;
|
|
GtkCssValue *computed_color;
|
|
GtkCssValue *result;
|
|
gboolean changes = FALSE;
|
|
|
|
result = gtk_css_palette_value_new_empty ();
|
|
|
|
g_hash_table_iter_init (&iter, specified->colors);
|
|
while (g_hash_table_iter_next (&iter, &name, &value))
|
|
{
|
|
computed_color = _gtk_css_value_compute (value, property_id, provider, style, parent_style);
|
|
changes |= computed_color != value;
|
|
gtk_css_palette_value_add_color (result, name, computed_color);
|
|
}
|
|
|
|
if (!changes)
|
|
{
|
|
_gtk_css_value_unref (result);
|
|
result = _gtk_css_value_ref (specified);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_css_value_palette_equal (const GtkCssValue *value1,
|
|
const GtkCssValue *value2)
|
|
{
|
|
gpointer name, color1, color2;
|
|
GHashTableIter iter;
|
|
|
|
if (g_hash_table_size (value1->colors) != g_hash_table_size (value2->colors))
|
|
return FALSE;
|
|
|
|
g_hash_table_iter_init (&iter, value1->colors);
|
|
while (g_hash_table_iter_next (&iter, &name, &color1))
|
|
{
|
|
color2 = g_hash_table_lookup (value2->colors, name);
|
|
if (color2 == NULL)
|
|
return FALSE;
|
|
|
|
if (!_gtk_css_value_equal (color1, color2))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GtkCssValue *
|
|
gtk_css_value_palette_transition (GtkCssValue *start,
|
|
GtkCssValue *end,
|
|
guint property_id,
|
|
double progress)
|
|
{
|
|
gpointer name, start_color, end_color;
|
|
GHashTableIter iter;
|
|
GtkCssValue *result, *transition;
|
|
|
|
/* XXX: For colors that are only in start or end but not both,
|
|
* we don't transition but just keep the value.
|
|
* That causes an abrupt transition to currentColor at the end.
|
|
*/
|
|
|
|
result = gtk_css_palette_value_new_empty ();
|
|
|
|
g_hash_table_iter_init (&iter, start->colors);
|
|
while (g_hash_table_iter_next (&iter, &name, &start_color))
|
|
{
|
|
end_color = g_hash_table_lookup (end->colors, name);
|
|
if (end_color == NULL)
|
|
transition = _gtk_css_value_ref (start_color);
|
|
else
|
|
transition = _gtk_css_value_transition (start_color, end_color, property_id, progress);
|
|
|
|
gtk_css_palette_value_add_color (result, name, transition);
|
|
}
|
|
|
|
g_hash_table_iter_init (&iter, end->colors);
|
|
while (g_hash_table_iter_next (&iter, &name, &end_color))
|
|
{
|
|
start_color = g_hash_table_lookup (start->colors, name);
|
|
if (start_color != NULL)
|
|
continue;
|
|
|
|
gtk_css_palette_value_add_color (result, name, _gtk_css_value_ref (end_color));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
gtk_css_value_palette_print (const GtkCssValue *value,
|
|
GString *string)
|
|
{
|
|
GHashTableIter iter;
|
|
gpointer name, color;
|
|
gboolean first = TRUE;
|
|
|
|
if (value == default_palette)
|
|
{
|
|
g_string_append (string, "default");
|
|
return;
|
|
}
|
|
|
|
g_hash_table_iter_init (&iter, value->colors);
|
|
while (g_hash_table_iter_next (&iter, &name, &color))
|
|
{
|
|
if (first)
|
|
first = FALSE;
|
|
else
|
|
g_string_append (string, ", ");
|
|
g_string_append (string, name);
|
|
g_string_append_c (string, ' ');
|
|
_gtk_css_value_print (color, string);
|
|
}
|
|
}
|
|
|
|
static const GtkCssValueClass GTK_CSS_VALUE_PALETTE = {
|
|
gtk_css_value_palette_free,
|
|
gtk_css_value_palette_compute,
|
|
gtk_css_value_palette_equal,
|
|
gtk_css_value_palette_transition,
|
|
gtk_css_value_palette_print
|
|
};
|
|
|
|
static GtkCssValue *
|
|
gtk_css_palette_value_new_empty (void)
|
|
{
|
|
GtkCssValue *result;
|
|
|
|
result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_PALETTE);
|
|
result->colors = g_hash_table_new_full (g_str_hash, g_str_equal,
|
|
g_free,
|
|
(GDestroyNotify) _gtk_css_value_unref);
|
|
|
|
return result;
|
|
}
|
|
|
|
GtkCssValue *
|
|
gtk_css_palette_value_new_default (void)
|
|
{
|
|
if (default_palette == NULL)
|
|
{
|
|
default_palette = gtk_css_palette_value_new_empty ();
|
|
gtk_css_palette_value_add_color (default_palette, "error", _gtk_css_color_value_new_name ("error_color"));
|
|
gtk_css_palette_value_add_color (default_palette, "warning", _gtk_css_color_value_new_name ("warning_color"));
|
|
gtk_css_palette_value_add_color (default_palette, "success", _gtk_css_color_value_new_name ("success_color"));
|
|
}
|
|
|
|
return _gtk_css_value_ref (default_palette);
|
|
}
|
|
|
|
GtkCssValue *
|
|
gtk_css_palette_value_parse (GtkCssParser *parser)
|
|
{
|
|
GtkCssValue *result, *color;
|
|
char *ident;
|
|
|
|
if (_gtk_css_parser_try (parser, "default", TRUE))
|
|
return gtk_css_palette_value_new_default ();
|
|
|
|
result = gtk_css_palette_value_new_empty ();
|
|
|
|
do {
|
|
ident = _gtk_css_parser_try_ident (parser, TRUE);
|
|
if (ident == NULL)
|
|
{
|
|
_gtk_css_parser_error (parser, "expected color name");
|
|
_gtk_css_value_unref (result);
|
|
return NULL;
|
|
}
|
|
|
|
color = _gtk_css_color_value_parse (parser);
|
|
if (color == NULL)
|
|
{
|
|
g_free (ident);
|
|
_gtk_css_value_unref (result);
|
|
return NULL;
|
|
}
|
|
|
|
gtk_css_palette_value_add_color (result, ident, color);
|
|
g_free (ident);
|
|
} while (_gtk_css_parser_try (parser, ",", TRUE));
|
|
|
|
return result;
|
|
}
|
|
|
|
const GdkRGBA *
|
|
gtk_css_palette_value_get_color (GtkCssValue *value,
|
|
const char *name)
|
|
{
|
|
GtkCssValue *color;
|
|
|
|
g_return_val_if_fail (value->class == >K_CSS_VALUE_PALETTE, NULL);
|
|
|
|
color = g_hash_table_lookup (value->colors, name);
|
|
if (color == NULL)
|
|
return NULL;
|
|
|
|
return _gtk_css_rgba_value_get_rgba (color);
|
|
}
|