gtk2/modules/engines/pixbuf/pixbuf-rc-style.c
2012-02-27 17:06:11 +00:00

904 lines
23 KiB
C

/* GTK+ Pixbuf Engine
* Copyright (C) 1998-2000 Red Hat, Inc.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Written by Owen Taylor <otaylor@redhat.com>, based on code by
* Carsten Haitzler <raster@rasterman.com>
*/
#include "pixbuf.h"
#include "pixbuf-style.h"
#include "pixbuf-rc-style.h"
static void pixbuf_rc_style_init (PixbufRcStyle *style);
static void pixbuf_rc_style_class_init (PixbufRcStyleClass *klass);
static void pixbuf_rc_style_finalize (GObject *object);
static guint pixbuf_rc_style_parse (GtkRcStyle *rc_style,
GtkSettings *settings,
GScanner *scanner);
static void pixbuf_rc_style_merge (GtkRcStyle *dest,
GtkRcStyle *src);
static GtkStyle *pixbuf_rc_style_create_style (GtkRcStyle *rc_style);
static void theme_image_unref (ThemeImage *data);
static const struct
{
gchar *name;
guint token;
}
theme_symbols[] =
{
{ "image", TOKEN_IMAGE },
{ "function", TOKEN_FUNCTION },
{ "file", TOKEN_FILE },
{ "stretch", TOKEN_STRETCH },
{ "recolorable", TOKEN_RECOLORABLE },
{ "border", TOKEN_BORDER },
{ "detail", TOKEN_DETAIL },
{ "state", TOKEN_STATE },
{ "shadow", TOKEN_SHADOW },
{ "gap_side", TOKEN_GAP_SIDE },
{ "gap_file", TOKEN_GAP_FILE },
{ "gap_border", TOKEN_GAP_BORDER },
{ "gap_start_file", TOKEN_GAP_START_FILE },
{ "gap_start_border", TOKEN_GAP_START_BORDER },
{ "gap_end_file", TOKEN_GAP_END_FILE },
{ "gap_end_border", TOKEN_GAP_END_BORDER },
{ "overlay_file", TOKEN_OVERLAY_FILE },
{ "overlay_border", TOKEN_OVERLAY_BORDER },
{ "overlay_stretch", TOKEN_OVERLAY_STRETCH },
{ "arrow_direction", TOKEN_ARROW_DIRECTION },
{ "orientation", TOKEN_ORIENTATION },
{ "expander_style", TOKEN_EXPANDER_STYLE },
{ "window_edge", TOKEN_WINDOW_EDGE },
{ "HLINE", TOKEN_D_HLINE },
{ "VLINE", TOKEN_D_VLINE },
{ "SHADOW", TOKEN_D_SHADOW },
{ "POLYGON", TOKEN_D_POLYGON },
{ "ARROW", TOKEN_D_ARROW },
{ "DIAMOND", TOKEN_D_DIAMOND },
{ "OVAL", TOKEN_D_OVAL },
{ "STRING", TOKEN_D_STRING },
{ "BOX", TOKEN_D_BOX },
{ "FLAT_BOX", TOKEN_D_FLAT_BOX },
{ "CHECK", TOKEN_D_CHECK },
{ "OPTION", TOKEN_D_OPTION },
{ "CROSS", TOKEN_D_CROSS },
{ "RAMP", TOKEN_D_RAMP },
{ "TAB", TOKEN_D_TAB },
{ "SHADOW_GAP", TOKEN_D_SHADOW_GAP },
{ "BOX_GAP", TOKEN_D_BOX_GAP },
{ "EXTENSION", TOKEN_D_EXTENSION },
{ "FOCUS", TOKEN_D_FOCUS },
{ "SLIDER", TOKEN_D_SLIDER },
{ "ENTRY", TOKEN_D_ENTRY },
{ "HANDLE", TOKEN_D_HANDLE },
{ "STEPPER", TOKEN_D_STEPPER },
{ "EXPANDER", TOKEN_D_EXPANDER },
{ "RESIZE_GRIP", TOKEN_D_RESIZE_GRIP },
{ "TRUE", TOKEN_TRUE },
{ "FALSE", TOKEN_FALSE },
{ "TOP", TOKEN_TOP },
{ "UP", TOKEN_UP },
{ "BOTTOM", TOKEN_BOTTOM },
{ "DOWN", TOKEN_DOWN },
{ "LEFT", TOKEN_LEFT },
{ "RIGHT", TOKEN_RIGHT },
{ "NORMAL", TOKEN_NORMAL },
{ "ACTIVE", TOKEN_ACTIVE },
{ "PRELIGHT", TOKEN_PRELIGHT },
{ "SELECTED", TOKEN_SELECTED },
{ "INSENSITIVE", TOKEN_INSENSITIVE },
{ "NONE", TOKEN_NONE },
{ "IN", TOKEN_IN },
{ "OUT", TOKEN_OUT },
{ "ETCHED_IN", TOKEN_ETCHED_IN },
{ "ETCHED_OUT", TOKEN_ETCHED_OUT },
{ "HORIZONTAL", TOKEN_HORIZONTAL },
{ "VERTICAL", TOKEN_VERTICAL },
{ "COLLAPSED", TOKEN_COLLAPSED },
{ "SEMI_COLLAPSED", TOKEN_SEMI_COLLAPSED },
{ "SEMI_EXPANDED", TOKEN_SEMI_EXPANDED },
{ "EXPANDED", TOKEN_EXPANDED },
{ "NORTH_WEST", TOKEN_NORTH_WEST },
{ "NORTH", TOKEN_NORTH },
{ "NORTH_EAST", TOKEN_NORTH_EAST },
{ "WEST", TOKEN_WEST },
{ "EAST", TOKEN_EAST },
{ "SOUTH_WEST", TOKEN_SOUTH_WEST },
{ "SOUTH", TOKEN_SOUTH },
{ "SOUTH_EAST", TOKEN_SOUTH_EAST }
};
static GtkRcStyleClass *parent_class;
GType pixbuf_type_rc_style = 0;
void
pixbuf_rc_style_register_type (GTypeModule *module)
{
const GTypeInfo object_info =
{
sizeof (PixbufRcStyleClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) pixbuf_rc_style_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (PixbufRcStyle),
0, /* n_preallocs */
(GInstanceInitFunc) pixbuf_rc_style_init,
};
pixbuf_type_rc_style = g_type_module_register_type (module,
GTK_TYPE_RC_STYLE,
"PixbufRcStyle",
&object_info, 0);
}
static void
pixbuf_rc_style_init (PixbufRcStyle *style)
{
}
static void
pixbuf_rc_style_class_init (PixbufRcStyleClass *klass)
{
GtkRcStyleClass *rc_style_class = GTK_RC_STYLE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
rc_style_class->parse = pixbuf_rc_style_parse;
rc_style_class->merge = pixbuf_rc_style_merge;
rc_style_class->create_style = pixbuf_rc_style_create_style;
object_class->finalize = pixbuf_rc_style_finalize;
}
static void
pixbuf_rc_style_finalize (GObject *object)
{
PixbufRcStyle *rc_style = PIXBUF_RC_STYLE (object);
g_list_free_full (rc_style->img_list, theme_image_unref);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static guint
theme_parse_file(GtkSettings *settings,
GScanner *scanner,
ThemePixbuf **theme_pb)
{
guint token;
gchar *pixmap;
/* Skip 'blah_file' */
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_STRING)
return G_TOKEN_STRING;
if (!*theme_pb)
*theme_pb = theme_pixbuf_new ();
pixmap = gtk_rc_find_pixmap_in_path(settings, scanner, scanner->value.v_string);
if (pixmap)
{
theme_pixbuf_set_filename (*theme_pb, pixmap);
g_free (pixmap);
}
return G_TOKEN_NONE;
}
static guint
theme_parse_border (GScanner *scanner,
ThemePixbuf **theme_pb)
{
guint token;
gint left, right, top, bottom;
/* Skip 'blah_border' */
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_LEFT_CURLY)
return G_TOKEN_LEFT_CURLY;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
left = scanner->value.v_int;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_COMMA)
return G_TOKEN_COMMA;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
right = scanner->value.v_int;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_COMMA)
return G_TOKEN_COMMA;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
top = scanner->value.v_int;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_COMMA)
return G_TOKEN_COMMA;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_INT)
return G_TOKEN_INT;
bottom = scanner->value.v_int;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_RIGHT_CURLY)
return G_TOKEN_RIGHT_CURLY;
if (!*theme_pb)
*theme_pb = theme_pixbuf_new ();
theme_pixbuf_set_border (*theme_pb, left, right, top, bottom);
return G_TOKEN_NONE;
}
static guint
theme_parse_stretch(GScanner *scanner,
ThemePixbuf **theme_pb)
{
guint token;
gboolean stretch;
/* Skip 'blah_stretch' */
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 == TOKEN_TRUE)
stretch = TRUE;
else if (token == TOKEN_FALSE)
stretch = FALSE;
else
return TOKEN_TRUE;
if (!*theme_pb)
*theme_pb = theme_pixbuf_new ();
theme_pixbuf_set_stretch (*theme_pb, stretch);
return G_TOKEN_NONE;
}
static guint
theme_parse_recolorable(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_RECOLORABLE)
return TOKEN_RECOLORABLE;
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 == TOKEN_TRUE)
data->recolorable = 1;
else if (token == TOKEN_FALSE)
data->recolorable = 0;
else
return TOKEN_TRUE;
return G_TOKEN_NONE;
}
static guint
theme_parse_function(GScanner * scanner,
ThemeImage *data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_FUNCTION)
return TOKEN_FUNCTION;
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 >= TOKEN_D_HLINE) && (token <= TOKEN_D_RESIZE_GRIP))
data->match_data.function = token;
return G_TOKEN_NONE;
}
static guint
theme_parse_detail(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_DETAIL)
return TOKEN_DETAIL;
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_STRING)
return G_TOKEN_STRING;
g_free (data->match_data.detail);
data->match_data.detail = g_strdup(scanner->value.v_string);
return G_TOKEN_NONE;
}
static guint
theme_parse_state(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_STATE)
return TOKEN_STATE;
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 == TOKEN_NORMAL)
data->match_data.state = GTK_STATE_NORMAL;
else if (token == TOKEN_ACTIVE)
data->match_data.state = GTK_STATE_ACTIVE;
else if (token == TOKEN_PRELIGHT)
data->match_data.state = GTK_STATE_PRELIGHT;
else if (token == TOKEN_SELECTED)
data->match_data.state = GTK_STATE_SELECTED;
else if (token == TOKEN_INSENSITIVE)
data->match_data.state = GTK_STATE_INSENSITIVE;
else
return TOKEN_NORMAL;
data->match_data.flags |= THEME_MATCH_STATE;
return G_TOKEN_NONE;
}
static guint
theme_parse_shadow(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_SHADOW)
return TOKEN_SHADOW;
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 == TOKEN_NONE)
data->match_data.shadow = GTK_SHADOW_NONE;
else if (token == TOKEN_IN)
data->match_data.shadow = GTK_SHADOW_IN;
else if (token == TOKEN_OUT)
data->match_data.shadow = GTK_SHADOW_OUT;
else if (token == TOKEN_ETCHED_IN)
data->match_data.shadow = GTK_SHADOW_ETCHED_IN;
else if (token == TOKEN_ETCHED_OUT)
data->match_data.shadow = GTK_SHADOW_ETCHED_OUT;
else
return TOKEN_NONE;
data->match_data.flags |= THEME_MATCH_SHADOW;
return G_TOKEN_NONE;
}
static guint
theme_parse_arrow_direction(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_ARROW_DIRECTION)
return TOKEN_ARROW_DIRECTION;
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 == TOKEN_UP)
data->match_data.arrow_direction = GTK_ARROW_UP;
else if (token == TOKEN_DOWN)
data->match_data.arrow_direction = GTK_ARROW_DOWN;
else if (token == TOKEN_LEFT)
data->match_data.arrow_direction = GTK_ARROW_LEFT;
else if (token == TOKEN_RIGHT)
data->match_data.arrow_direction = GTK_ARROW_RIGHT;
else
return TOKEN_UP;
data->match_data.flags |= THEME_MATCH_ARROW_DIRECTION;
return G_TOKEN_NONE;
}
static guint
theme_parse_gap_side(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_GAP_SIDE)
return TOKEN_GAP_SIDE;
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 == TOKEN_TOP)
data->match_data.gap_side = GTK_POS_TOP;
else if (token == TOKEN_BOTTOM)
data->match_data.gap_side = GTK_POS_BOTTOM;
else if (token == TOKEN_LEFT)
data->match_data.gap_side = GTK_POS_LEFT;
else if (token == TOKEN_RIGHT)
data->match_data.gap_side = GTK_POS_RIGHT;
else
return TOKEN_TOP;
data->match_data.flags |= THEME_MATCH_GAP_SIDE;
return G_TOKEN_NONE;
}
static guint
theme_parse_orientation(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_ORIENTATION)
return TOKEN_ORIENTATION;
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 == TOKEN_HORIZONTAL)
data->match_data.orientation = GTK_ORIENTATION_HORIZONTAL;
else if (token == TOKEN_VERTICAL)
data->match_data.orientation = GTK_ORIENTATION_VERTICAL;
else
return TOKEN_HORIZONTAL;
data->match_data.flags |= THEME_MATCH_ORIENTATION;
return G_TOKEN_NONE;
}
static guint
theme_parse_expander_style(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_EXPANDER_STYLE)
return TOKEN_EXPANDER_STYLE;
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 == TOKEN_COLLAPSED)
data->match_data.expander_style = GTK_EXPANDER_COLLAPSED;
else if (token == TOKEN_SEMI_COLLAPSED)
data->match_data.expander_style = GTK_EXPANDER_SEMI_COLLAPSED;
else if (token == TOKEN_SEMI_EXPANDED)
data->match_data.expander_style = GTK_EXPANDER_SEMI_EXPANDED;
else if (token == TOKEN_EXPANDED)
data->match_data.expander_style = GTK_EXPANDER_EXPANDED;
else
return TOKEN_COLLAPSED;
data->match_data.flags |= THEME_MATCH_EXPANDER_STYLE;
return G_TOKEN_NONE;
}
static guint
theme_parse_window_edge(GScanner * scanner,
ThemeImage * data)
{
guint token;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_WINDOW_EDGE)
return TOKEN_WINDOW_EDGE;
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 == TOKEN_NORTH_WEST)
data->match_data.window_edge = GDK_WINDOW_EDGE_NORTH_WEST;
else if (token == TOKEN_NORTH)
data->match_data.window_edge = GDK_WINDOW_EDGE_NORTH;
else if (token == TOKEN_NORTH_EAST)
data->match_data.window_edge = GDK_WINDOW_EDGE_NORTH_EAST;
else if (token == TOKEN_WEST)
data->match_data.window_edge = GDK_WINDOW_EDGE_WEST;
else if (token == TOKEN_EAST)
data->match_data.window_edge = GDK_WINDOW_EDGE_EAST;
else if (token == TOKEN_SOUTH_WEST)
data->match_data.window_edge = GDK_WINDOW_EDGE_SOUTH_WEST;
else if (token == TOKEN_SOUTH)
data->match_data.window_edge = GDK_WINDOW_EDGE_SOUTH;
else if (token == TOKEN_SOUTH_EAST)
data->match_data.window_edge = GDK_WINDOW_EDGE_SOUTH_EAST;
else
return TOKEN_NORTH_WEST;
data->match_data.flags |= THEME_MATCH_WINDOW_EDGE;
return G_TOKEN_NONE;
}
static void
theme_image_ref (ThemeImage *data)
{
data->refcount++;
}
static void
theme_image_unref (ThemeImage *data)
{
data->refcount--;
if (data->refcount == 0)
{
g_free (data->match_data.detail);
if (data->background)
theme_pixbuf_destroy (data->background);
if (data->overlay)
theme_pixbuf_destroy (data->overlay);
if (data->gap_start)
theme_pixbuf_destroy (data->gap_start);
if (data->gap)
theme_pixbuf_destroy (data->gap);
if (data->gap_end)
theme_pixbuf_destroy (data->gap_end);
g_free (data);
}
}
static guint
theme_parse_image(GtkSettings *settings,
GScanner *scanner,
PixbufRcStyle *pixbuf_style,
ThemeImage **data_return)
{
guint token;
ThemeImage *data;
data = NULL;
token = g_scanner_get_next_token(scanner);
if (token != TOKEN_IMAGE)
return TOKEN_IMAGE;
token = g_scanner_get_next_token(scanner);
if (token != G_TOKEN_LEFT_CURLY)
return G_TOKEN_LEFT_CURLY;
data = g_malloc(sizeof(ThemeImage));
data->refcount = 1;
data->background = NULL;
data->overlay = NULL;
data->gap_start = NULL;
data->gap = NULL;
data->gap_end = NULL;
data->recolorable = FALSE;
data->match_data.function = 0;
data->match_data.detail = NULL;
data->match_data.flags = 0;
token = g_scanner_peek_next_token(scanner);
while (token != G_TOKEN_RIGHT_CURLY)
{
switch (token)
{
case TOKEN_FUNCTION:
token = theme_parse_function(scanner, data);
break;
case TOKEN_RECOLORABLE:
token = theme_parse_recolorable(scanner, data);
break;
case TOKEN_DETAIL:
token = theme_parse_detail(scanner, data);
break;
case TOKEN_STATE:
token = theme_parse_state(scanner, data);
break;
case TOKEN_SHADOW:
token = theme_parse_shadow(scanner, data);
break;
case TOKEN_GAP_SIDE:
token = theme_parse_gap_side(scanner, data);
break;
case TOKEN_ARROW_DIRECTION:
token = theme_parse_arrow_direction(scanner, data);
break;
case TOKEN_ORIENTATION:
token = theme_parse_orientation(scanner, data);
break;
case TOKEN_FILE:
token = theme_parse_file(settings, scanner, &data->background);
break;
case TOKEN_BORDER:
token = theme_parse_border(scanner, &data->background);
break;
case TOKEN_STRETCH:
token = theme_parse_stretch(scanner, &data->background);
break;
case TOKEN_GAP_FILE:
token = theme_parse_file(settings, scanner, &data->gap);
break;
case TOKEN_GAP_BORDER:
token = theme_parse_border(scanner, &data->gap);
break;
case TOKEN_GAP_START_FILE:
token = theme_parse_file(settings, scanner, &data->gap_start);
break;
case TOKEN_GAP_START_BORDER:
token = theme_parse_border(scanner, &data->gap_start);
break;
case TOKEN_GAP_END_FILE:
token = theme_parse_file(settings, scanner, &data->gap_end);
break;
case TOKEN_GAP_END_BORDER:
token = theme_parse_border(scanner, &data->gap_end);
break;
case TOKEN_OVERLAY_FILE:
token = theme_parse_file(settings, scanner, &data->overlay);
break;
case TOKEN_OVERLAY_BORDER:
token = theme_parse_border(scanner, &data->overlay);
break;
case TOKEN_OVERLAY_STRETCH:
token = theme_parse_stretch(scanner, &data->overlay);
break;
case TOKEN_EXPANDER_STYLE:
token = theme_parse_expander_style(scanner, data);
break;
case TOKEN_WINDOW_EDGE:
token = theme_parse_window_edge(scanner, data);
break;
default:
g_scanner_get_next_token(scanner);
token = G_TOKEN_RIGHT_CURLY;
break;
}
if (token != G_TOKEN_NONE)
{
/* error - cleanup for exit */
theme_image_unref (data);
*data_return = NULL;
return token;
}
token = g_scanner_peek_next_token(scanner);
}
token = g_scanner_get_next_token(scanner);
if (data->background && !data->background->filename)
{
g_scanner_warn (scanner, "Background image options specified without filename");
theme_pixbuf_destroy (data->background);
data->background = NULL;
}
if (data->overlay && !data->overlay->filename)
{
g_scanner_warn (scanner, "Overlay image options specified without filename");
theme_pixbuf_destroy (data->overlay);
data->overlay = NULL;
}
if (token != G_TOKEN_RIGHT_CURLY)
{
/* error - cleanup for exit */
theme_image_unref (data);
*data_return = NULL;
return G_TOKEN_RIGHT_CURLY;
}
/* everything is fine now - insert yer cruft */
*data_return = data;
return G_TOKEN_NONE;
}
static guint
pixbuf_rc_style_parse (GtkRcStyle *rc_style,
GtkSettings *settings,
GScanner *scanner)
{
static GQuark scope_id = 0;
PixbufRcStyle *pixbuf_style = PIXBUF_RC_STYLE (rc_style);
guint old_scope;
guint token;
gint i;
ThemeImage *img;
/* Set up a new scope in this scanner. */
if (!scope_id)
scope_id = g_quark_from_string("pixbuf_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 theme_parse_rc_style for the
* same scanner.
*/
if (!g_scanner_lookup_symbol(scanner, theme_symbols[0].name))
{
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));
}
/* 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_IMAGE:
img = NULL;
token = theme_parse_image(settings, scanner, pixbuf_style, &img);
break;
default:
g_scanner_get_next_token(scanner);
token = G_TOKEN_RIGHT_CURLY;
break;
}
if (token != G_TOKEN_NONE)
return token;
else
pixbuf_style->img_list = g_list_append(pixbuf_style->img_list, img);
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
pixbuf_rc_style_merge (GtkRcStyle *dest,
GtkRcStyle *src)
{
if (PIXBUF_IS_RC_STYLE (src))
{
PixbufRcStyle *pixbuf_dest = PIXBUF_RC_STYLE (dest);
PixbufRcStyle *pixbuf_src = PIXBUF_RC_STYLE (src);
GList *tmp_list1, *tmp_list2;
if (pixbuf_src->img_list)
{
/* Copy src image list and append to dest image list */
tmp_list2 = g_list_last (pixbuf_dest->img_list);
tmp_list1 = pixbuf_src->img_list;
while (tmp_list1)
{
if (tmp_list2)
{
tmp_list2->next = g_list_alloc();
tmp_list2->next->data = tmp_list1->data;
tmp_list2->next->prev = tmp_list2;
tmp_list2 = tmp_list2->next;
}
else
{
pixbuf_dest->img_list = g_list_append (NULL, tmp_list1->data);
tmp_list2 = pixbuf_dest->img_list;
}
theme_image_ref (tmp_list1->data);
tmp_list1 = tmp_list1->next;
}
}
}
parent_class->merge (dest, src);
}
/* Create an empty style suitable to this RC style
*/
static GtkStyle *
pixbuf_rc_style_create_style (GtkRcStyle *rc_style)
{
return g_object_new (PIXBUF_TYPE_STYLE, NULL);
}