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livetrax/libs/clearlooks-older/clearlooks_rc_style.c

393 lines
10 KiB
C

/* Clearlooks theme engine
* Copyright (C) 2005 Richard Stellingwerff.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Written by Owen Taylor <otaylor@redhat.com>
* and by Alexander Larsson <alexl@redhat.com>
* Modified by Richard Stellingwerff <remenic@gmail.com>
*/
#include "clearlooks_style.h"
#include "clearlooks_rc_style.h"
static void clearlooks_rc_style_init (ClearlooksRcStyle *style);
static void clearlooks_rc_style_class_init (ClearlooksRcStyleClass *klass);
static GtkStyle *clearlooks_rc_style_create_style (GtkRcStyle *rc_style);
static guint clearlooks_rc_style_parse (GtkRcStyle *rc_style,
GtkSettings *settings,
GScanner *scanner);
static void clearlooks_rc_style_merge (GtkRcStyle *dest,
GtkRcStyle *src);
static GtkRcStyleClass *parent_class;
GType clearlooks_type_rc_style = 0;
enum
{
TOKEN_SPOTCOLOR = G_TOKEN_LAST + 1,
TOKEN_CONTRAST,
TOKEN_SUNKENMENU,
TOKEN_PROGRESSBARSTYLE,
TOKEN_MENUBARSTYLE,
TOKEN_MENUITEMSTYLE,
TOKEN_LISTVIEWITEMSTYLE
};
static struct
{
const gchar *name;
guint token;
}
theme_symbols[] =
{
{ "spotcolor", TOKEN_SPOTCOLOR },
{ "contrast", TOKEN_CONTRAST },
{ "sunkenmenubar", TOKEN_SUNKENMENU },
{ "progressbarstyle", TOKEN_PROGRESSBARSTYLE },
{ "menubarstyle", TOKEN_MENUBARSTYLE },
{ "menuitemstyle", TOKEN_MENUITEMSTYLE },
{ "listviewitemstyle", TOKEN_LISTVIEWITEMSTYLE }
};
void
clearlooks_rc_style_register_type (GTypeModule *module)
{
static const GTypeInfo object_info =
{
sizeof (ClearlooksRcStyleClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) clearlooks_rc_style_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (ClearlooksRcStyle),
0, /* n_preallocs */
(GInstanceInitFunc) clearlooks_rc_style_init,
NULL
};
clearlooks_type_rc_style = g_type_module_register_type (module,
GTK_TYPE_RC_STYLE,
"ClearlooksRcStyle",
&object_info, 0);
}
static void
clearlooks_rc_style_init (ClearlooksRcStyle *clearlooks_rc)
{
clearlooks_rc->has_spot_color = FALSE;
clearlooks_rc->contrast = 1.0;
clearlooks_rc->sunkenmenubar = 1;
clearlooks_rc->progressbarstyle = 0;
clearlooks_rc->menubarstyle = 0;
clearlooks_rc->menuitemstyle = 1;
clearlooks_rc->listviewitemstyle = 1;
}
static void
clearlooks_rc_style_class_init (ClearlooksRcStyleClass *klass)
{
GtkRcStyleClass *rc_style_class = GTK_RC_STYLE_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
rc_style_class->parse = clearlooks_rc_style_parse;
rc_style_class->create_style = clearlooks_rc_style_create_style;
rc_style_class->merge = clearlooks_rc_style_merge;
}
static guint
theme_parse_color(GtkSettings *settings,
GScanner *scanner,
GdkColor *color)
{
guint token;
/* Skip 'blah_color' */
token = g_scanner_get_next_token(scanner);
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_EQUAL_SIGN)
return G_TOKEN_EQUAL_SIGN;
return gtk_rc_parse_color (scanner, color);
}
static guint
theme_parse_contrast(GtkSettings *settings,
GScanner *scanner,
double *contrast)
{
guint token;
/* Skip 'contrast' */
token = g_scanner_get_next_token(scanner);
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_EQUAL_SIGN)
return G_TOKEN_EQUAL_SIGN;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_FLOAT)
return G_TOKEN_FLOAT;
*contrast = scanner->value.v_float;
return G_TOKEN_NONE;
}
static guint
theme_parse_sunkenmenubar(GtkSettings *settings,
GScanner *scanner,
guint8 *sunken)
{
guint token;
/* Skip 'sunkenmenubar' */
token = g_scanner_get_next_token(scanner);
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_EQUAL_SIGN)
return G_TOKEN_EQUAL_SIGN;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
*sunken = scanner->value.v_int;
return G_TOKEN_NONE;
}
static guint
theme_parse_progressbarstyle(GtkSettings *settings,
GScanner *scanner,
guint8 *progressbarstyle)
{
guint token;
/* Skip 'sunkenmenubar' */
token = g_scanner_get_next_token(scanner);
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_EQUAL_SIGN)
return G_TOKEN_EQUAL_SIGN;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
*progressbarstyle = scanner->value.v_int;
return G_TOKEN_NONE;
}
static guint
theme_parse_menubarstyle(GtkSettings *settings,
GScanner *scanner,
guint8 *menubarstyle)
{
guint token;
/* Skip 'menubarstyle' */
token = g_scanner_get_next_token(scanner);
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_EQUAL_SIGN)
return G_TOKEN_EQUAL_SIGN;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
*menubarstyle = scanner->value.v_int;
return G_TOKEN_NONE;
}
static guint
theme_parse_menuitemstyle(GtkSettings *settings,
GScanner *scanner,
guint8 *menuitemstyle)
{
guint token;
/* Skip 'sunkenmenubar' */
token = g_scanner_get_next_token(scanner);
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_EQUAL_SIGN)
return G_TOKEN_EQUAL_SIGN;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
*menuitemstyle = scanner->value.v_int;
return G_TOKEN_NONE;
}
static guint
theme_parse_listviewitemstyle(GtkSettings *settings,
GScanner *scanner,
guint8 *listviewitemstyle)
{
guint token;
token = g_scanner_get_next_token(scanner);
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_EQUAL_SIGN)
return G_TOKEN_EQUAL_SIGN;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
*listviewitemstyle = scanner->value.v_int;
return G_TOKEN_NONE;
}
static guint
clearlooks_rc_style_parse (GtkRcStyle *rc_style,
GtkSettings *settings,
GScanner *scanner)
{
static GQuark scope_id = 0;
ClearlooksRcStyle *clearlooks_style = CLEARLOOKS_RC_STYLE (rc_style);
guint old_scope;
guint token;
guint i;
/* Set up a new scope in this scanner. */
if (!scope_id)
scope_id = g_quark_from_string("clearlooks_theme_engine");
/* If we bail out due to errors, we *don't* reset the scope, so the
* error messaging code can make sense of our tokens.
*/
old_scope = g_scanner_set_scope(scanner, scope_id);
/* Now check if we already added our symbols to this scope
* (in some previous call to clearlooks_rc_style_parse for the
* same scanner.
*/
if (!g_scanner_lookup_symbol(scanner, theme_symbols[0].name))
{
g_scanner_freeze_symbol_table(scanner);
for (i = 0; i < G_N_ELEMENTS (theme_symbols); i++)
g_scanner_scope_add_symbol(scanner, scope_id,
theme_symbols[i].name,
GINT_TO_POINTER(theme_symbols[i].token));
g_scanner_thaw_symbol_table(scanner);
}
/* We're ready to go, now parse the top level */
token = g_scanner_peek_next_token(scanner);
while (token != G_TOKEN_RIGHT_CURLY)
{
switch (token)
{
case TOKEN_SPOTCOLOR:
token = theme_parse_color(settings, scanner, &clearlooks_style->spot_color);
clearlooks_style->has_spot_color = TRUE;
break;
case TOKEN_CONTRAST:
token = theme_parse_contrast(settings, scanner, &clearlooks_style->contrast);
break;
case TOKEN_SUNKENMENU:
token = theme_parse_sunkenmenubar(settings, scanner, &clearlooks_style->sunkenmenubar);
break;
case TOKEN_PROGRESSBARSTYLE:
token = theme_parse_progressbarstyle(settings, scanner, &clearlooks_style->progressbarstyle);
break;
case TOKEN_MENUBARSTYLE:
token = theme_parse_menubarstyle(settings, scanner, &clearlooks_style->menubarstyle);
break;
case TOKEN_MENUITEMSTYLE:
token = theme_parse_menuitemstyle(settings, scanner, &clearlooks_style->menuitemstyle);
break;
case TOKEN_LISTVIEWITEMSTYLE:
token = theme_parse_listviewitemstyle(settings, scanner, &clearlooks_style->listviewitemstyle);
break;
default:
g_scanner_get_next_token(scanner);
token = G_TOKEN_RIGHT_CURLY;
break;
}
if (token != G_TOKEN_NONE)
return token;
token = g_scanner_peek_next_token(scanner);
}
g_scanner_get_next_token(scanner);
g_scanner_set_scope(scanner, old_scope);
return G_TOKEN_NONE;
}
static void
clearlooks_rc_style_merge (GtkRcStyle *dest,
GtkRcStyle *src)
{
ClearlooksRcStyle *dest_w, *src_w;
parent_class->merge (dest, src);
if (!CLEARLOOKS_IS_RC_STYLE (src))
return;
src_w = CLEARLOOKS_RC_STYLE (src);
dest_w = CLEARLOOKS_RC_STYLE (dest);
dest_w->contrast = src_w->contrast;
dest_w->sunkenmenubar = src_w->sunkenmenubar;
dest_w->progressbarstyle = src_w->progressbarstyle;
dest_w->menubarstyle = src_w->menubarstyle;
dest_w->menuitemstyle = src_w->menuitemstyle;
dest_w->listviewitemstyle = src_w->listviewitemstyle;
if (src_w->has_spot_color)
{
dest_w->has_spot_color = TRUE;
dest_w->spot_color = src_w->spot_color;
}
}
/* Create an empty style suitable to this RC style
*/
static GtkStyle *
clearlooks_rc_style_create_style (GtkRcStyle *rc_style)
{
return GTK_STYLE (g_object_new (CLEARLOOKS_TYPE_STYLE, NULL));
}