diff options
Diffstat (limited to 'src/ui/theme-parser.c')
| -rw-r--r-- | src/ui/theme-parser.c | 4090 |
1 files changed, 0 insertions, 4090 deletions
diff --git a/src/ui/theme-parser.c b/src/ui/theme-parser.c deleted file mode 100644 index 98dc1662..00000000 --- a/src/ui/theme-parser.c +++ /dev/null @@ -1,4090 +0,0 @@ -/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ - -/* Metacity theme parsing */ - -/* - * Copyright (C) 2001 Havoc Pennington - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> -#include "theme-parser.h" -#include "util.h" -#include <string.h> -#include <stdlib.h> - -typedef enum -{ - STATE_START, - STATE_THEME, - /* info section */ - STATE_INFO, - STATE_NAME, - STATE_AUTHOR, - STATE_COPYRIGHT, - STATE_DATE, - STATE_DESCRIPTION, - /* constants */ - STATE_CONSTANT, - /* geometry */ - STATE_FRAME_GEOMETRY, - STATE_DISTANCE, - STATE_BORDER, - STATE_ASPECT_RATIO, - /* draw ops */ - STATE_DRAW_OPS, - STATE_LINE, - STATE_RECTANGLE, - STATE_ARC, - STATE_CLIP, - STATE_TINT, - STATE_GRADIENT, - STATE_IMAGE, - STATE_GTK_ARROW, - STATE_GTK_BOX, - STATE_GTK_VLINE, - STATE_ICON, - STATE_TITLE, - STATE_INCLUDE, /* include another draw op list */ - STATE_TILE, /* tile another draw op list */ - /* sub-parts of gradient */ - STATE_COLOR, - /* frame style */ - STATE_FRAME_STYLE, - STATE_PIECE, - STATE_BUTTON, - /* style set */ - STATE_FRAME_STYLE_SET, - STATE_FRAME, - /* assigning style sets to windows */ - STATE_WINDOW, - /* things we don't use any more but we can still parse: */ - STATE_MENU_ICON, - STATE_FALLBACK -} ParseState; - -typedef struct -{ - GSList *states; - - const char *theme_name; /* name of theme (directory it's in) */ - char *theme_file; /* theme filename */ - char *theme_dir; /* dir the theme is inside */ - MetaTheme *theme; /* theme being parsed */ - guint format_version; /* version of format of theme file */ - char *name; /* name of named thing being parsed */ - MetaFrameLayout *layout; /* layout being parsed if any */ - MetaDrawOpList *op_list; /* op list being parsed if any */ - MetaDrawOp *op; /* op being parsed if any */ - MetaFrameStyle *style; /* frame style being parsed if any */ - MetaFrameStyleSet *style_set; /* frame style set being parsed if any */ - MetaFramePiece piece; /* position of piece being parsed */ - MetaButtonType button_type; /* type of button/menuitem being parsed */ - MetaButtonState button_state; /* state of button being parsed */ -} ParseInfo; - -static void set_error (GError **err, - GMarkupParseContext *context, - int error_domain, - int error_code, - const char *format, - ...) G_GNUC_PRINTF (5, 6); - -static void add_context_to_error (GError **err, - GMarkupParseContext *context); - -static void parse_info_init (ParseInfo *info); -static void parse_info_free (ParseInfo *info); - -static void push_state (ParseInfo *info, - ParseState state); -static void pop_state (ParseInfo *info); -static ParseState peek_state (ParseInfo *info); - - -static void parse_toplevel_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_info_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_geometry_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_draw_op_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_gradient_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_style_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_style_set_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); - -static void parse_piece_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); - -static void parse_button_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); - -static void parse_menu_icon_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); - -static void start_element_handler (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - gpointer user_data, - GError **error); -static void end_element_handler (GMarkupParseContext *context, - const gchar *element_name, - gpointer user_data, - GError **error); -static void text_handler (GMarkupParseContext *context, - const gchar *text, - gsize text_len, - gpointer user_data, - GError **error); - -/* Translators: This means that an attribute which should have been found - * on an XML element was not in fact found. - */ -#define ATTRIBUTE_NOT_FOUND _("No \"%s\" attribute on element <%s>") - -static GMarkupParser metacity_theme_parser = { - start_element_handler, - end_element_handler, - text_handler, - NULL, - NULL -}; - -static void -set_error (GError **err, - GMarkupParseContext *context, - int error_domain, - int error_code, - const char *format, - ...) -{ - int line, ch; - va_list args; - char *str; - - g_markup_parse_context_get_position (context, &line, &ch); - - va_start (args, format); - str = g_strdup_vprintf (format, args); - va_end (args); - - g_set_error (err, error_domain, error_code, - _("Line %d character %d: %s"), - line, ch, str); - - g_free (str); -} - -static void -add_context_to_error (GError **err, - GMarkupParseContext *context) -{ - int line, ch; - char *str; - - if (err == NULL || *err == NULL) - return; - - g_markup_parse_context_get_position (context, &line, &ch); - - str = g_strdup_printf (_("Line %d character %d: %s"), - line, ch, (*err)->message); - g_free ((*err)->message); - (*err)->message = str; -} - -static void -parse_info_init (ParseInfo *info) -{ - info->theme_file = NULL; - info->states = g_slist_prepend (NULL, GINT_TO_POINTER (STATE_START)); - info->theme = NULL; - info->name = NULL; - info->layout = NULL; - info->op_list = NULL; - info->op = NULL; - info->style = NULL; - info->style_set = NULL; - info->piece = META_FRAME_PIECE_LAST; - info->button_type = META_BUTTON_TYPE_LAST; - info->button_state = META_BUTTON_STATE_LAST; -} - -static void -parse_info_free (ParseInfo *info) -{ - g_free (info->theme_file); - g_free (info->theme_dir); - - g_slist_free (info->states); - - if (info->theme) - meta_theme_free (info->theme); - - if (info->layout) - meta_frame_layout_unref (info->layout); - - if (info->op_list) - meta_draw_op_list_unref (info->op_list); - - if (info->op) - meta_draw_op_free (info->op); - - if (info->style) - meta_frame_style_unref (info->style); - - if (info->style_set) - meta_frame_style_set_unref (info->style_set); -} - -static void -push_state (ParseInfo *info, - ParseState state) -{ - info->states = g_slist_prepend (info->states, GINT_TO_POINTER (state)); -} - -static void -pop_state (ParseInfo *info) -{ - g_return_if_fail (info->states != NULL); - - info->states = g_slist_remove (info->states, info->states->data); -} - -static ParseState -peek_state (ParseInfo *info) -{ - g_return_val_if_fail (info->states != NULL, STATE_START); - - return GPOINTER_TO_INT (info->states->data); -} - -#define ELEMENT_IS(name) (strcmp (element_name, (name)) == 0) - -typedef struct -{ - const char *name; - const char **retloc; - gboolean required; -} LocateAttr; - -/* Attribute names can have a leading '!' to indicate that they are - * required. - */ -static gboolean -locate_attributes (GMarkupParseContext *context, - const char *element_name, - const char **attribute_names, - const char **attribute_values, - GError **error, - const char *first_attribute_name, - const char **first_attribute_retloc, - ...) -{ - va_list args; - const char *name; - const char **retloc; - int n_attrs; -#define MAX_ATTRS 24 - LocateAttr attrs[MAX_ATTRS]; - gboolean retval; - int i; - - g_return_val_if_fail (first_attribute_name != NULL, FALSE); - g_return_val_if_fail (first_attribute_retloc != NULL, FALSE); - - retval = TRUE; - - /* FIXME: duplicated code; refactor loop */ - n_attrs = 1; - attrs[0].name = first_attribute_name; - attrs[0].retloc = first_attribute_retloc; - attrs[0].required = attrs[0].name[0]=='!'; - if (attrs[0].required) - attrs[0].name++; /* skip past it */ - *first_attribute_retloc = NULL; - - va_start (args, first_attribute_retloc); - - name = va_arg (args, const char*); - retloc = va_arg (args, const char**); - - while (name != NULL) - { - g_return_val_if_fail (retloc != NULL, FALSE); - - g_assert (n_attrs < MAX_ATTRS); - - attrs[n_attrs].name = name; - attrs[n_attrs].retloc = retloc; - attrs[n_attrs].required = attrs[n_attrs].name[0]=='!'; - if (attrs[n_attrs].required) - attrs[n_attrs].name++; /* skip past it */ - - n_attrs += 1; - *retloc = NULL; - - name = va_arg (args, const char*); - retloc = va_arg (args, const char**); - } - - va_end (args); - - i = 0; - while (attribute_names[i]) - { - int j; - gboolean found; - - found = FALSE; - j = 0; - while (j < n_attrs) - { - if (strcmp (attrs[j].name, attribute_names[i]) == 0) - { - retloc = attrs[j].retloc; - - if (*retloc != NULL) - { - - set_error (error, context, - G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Attribute \"%s\" repeated twice on the same <%s> element"), - attrs[j].name, element_name); - retval = FALSE; - goto out; - } - - *retloc = attribute_values[i]; - found = TRUE; - } - - ++j; - } - - if (!found) - { - j = 0; - while (j < n_attrs) - { - g_warning ("It could have been %s.\n", attrs[j++].name); - } - - set_error (error, context, - G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Attribute \"%s\" is invalid on <%s> element in this context"), - attribute_names[i], element_name); - retval = FALSE; - goto out; - } - - ++i; - } - - /* Did we catch them all? */ - i = 0; - while (i < n_attrs) - { - if (attrs[i].required && *(attrs[i].retloc)==NULL) - { - set_error (error, context, - G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, - attrs[i].name, element_name); - retval = FALSE; - goto out; - } - - ++i; - } - - out: - return retval; -} - -static gboolean -check_no_attributes (GMarkupParseContext *context, - const char *element_name, - const char **attribute_names, - const char **attribute_values, - GError **error) -{ - if (attribute_names[0] != NULL) - { - set_error (error, context, - G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Attribute \"%s\" is invalid on <%s> element in this context"), - attribute_names[0], element_name); - return FALSE; - } - - return TRUE; -} - -#define MAX_REASONABLE 4096 -static gboolean -parse_positive_integer (const char *str, - int *val, - GMarkupParseContext *context, - MetaTheme *theme, - GError **error) -{ - char *end; - long l; - int j; - - *val = 0; - - end = NULL; - - /* Is str a constant? */ - - if (META_THEME_ALLOWS (theme, META_THEME_UBIQUITOUS_CONSTANTS) && - meta_theme_lookup_int_constant (theme, str, &j)) - { - /* Yes. */ - l = j; - } - else - { - /* No. Let's try parsing it instead. */ - - l = strtol (str, &end, 10); - - if (end == NULL || end == str) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Could not parse \"%s\" as an integer"), - str); - return FALSE; - } - - if (*end != '\0') - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand trailing characters \"%s\" in string \"%s\""), - end, str); - return FALSE; - } - } - - if (l < 0) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Integer %ld must be positive"), l); - return FALSE; - } - - if (l > MAX_REASONABLE) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Integer %ld is too large, current max is %d"), - l, MAX_REASONABLE); - return FALSE; - } - - *val = (int) l; - - return TRUE; -} - -static gboolean -parse_double (const char *str, - double *val, - GMarkupParseContext *context, - GError **error) -{ - char *end; - - *val = 0; - - end = NULL; - - *val = g_ascii_strtod (str, &end); - - if (end == NULL || end == str) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Could not parse \"%s\" as a floating point number"), - str); - return FALSE; - } - - if (*end != '\0') - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand trailing characters \"%s\" in string \"%s\""), - end, str); - return FALSE; - } - - return TRUE; -} - -static gboolean -parse_boolean (const char *str, - gboolean *val, - GMarkupParseContext *context, - GError **error) -{ - if (strcmp ("true", str) == 0) - *val = TRUE; - else if (strcmp ("false", str) == 0) - *val = FALSE; - else - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Boolean values must be \"true\" or \"false\" not \"%s\""), - str); - return FALSE; - } - - return TRUE; -} - -static gboolean -parse_rounding (const char *str, - guint *val, - GMarkupParseContext *context, - MetaTheme *theme, - GError **error) -{ - if (strcmp ("true", str) == 0) - *val = 5; /* historical "true" value */ - else if (strcmp ("false", str) == 0) - *val = 0; - else - { - int tmp; - gboolean result; - if (!META_THEME_ALLOWS (theme, META_THEME_VARIED_ROUND_CORNERS)) - { - /* Not known in this version, so bail. */ - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Boolean values must be \"true\" or \"false\" not \"%s\""), - str); - return FALSE; - } - - result = parse_positive_integer (str, &tmp, context, theme, error); - - *val = tmp; - - return result; - } - - return TRUE; -} - -static gboolean -parse_angle (const char *str, - double *val, - GMarkupParseContext *context, - GError **error) -{ - if (!parse_double (str, val, context, error)) - return FALSE; - - if (*val < (0.0 - 1e6) || *val > (360.0 + 1e6)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Angle must be between 0.0 and 360.0, was %g\n"), - *val); - return FALSE; - } - - return TRUE; -} - -static gboolean -parse_alpha (const char *str, - MetaAlphaGradientSpec **spec_ret, - GMarkupParseContext *context, - GError **error) -{ - char **split; - int i; - int n_alphas; - MetaAlphaGradientSpec *spec; - - *spec_ret = NULL; - - split = g_strsplit (str, ":", -1); - - i = 0; - while (split[i]) - ++i; - - if (i == 0) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Could not parse \"%s\" as a floating point number"), - str); - - g_strfreev (split); - - return FALSE; - } - - n_alphas = i; - - /* FIXME allow specifying horizontal/vertical/diagonal in theme format, - * once we implement vertical/diagonal in gradient.c - */ - spec = meta_alpha_gradient_spec_new (META_GRADIENT_HORIZONTAL, - n_alphas); - - i = 0; - while (i < n_alphas) - { - double v; - - if (!parse_double (split[i], &v, context, error)) - { - /* clear up, but don't set error: it was set by parse_double */ - g_strfreev (split); - meta_alpha_gradient_spec_free (spec); - - return FALSE; - } - - if (v < (0.0 - 1e-6) || v > (1.0 + 1e-6)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Alpha must be between 0.0 (invisible) and 1.0 (fully opaque), was %g\n"), - v); - - g_strfreev (split); - meta_alpha_gradient_spec_free (spec); - - return FALSE; - } - - spec->alphas[i] = (unsigned char) (v * 255); - - ++i; - } - - g_strfreev (split); - - *spec_ret = spec; - - return TRUE; -} - -static MetaColorSpec* -parse_color (MetaTheme *theme, - const char *str, - GError **err) -{ - char* referent; - - if (META_THEME_ALLOWS (theme, META_THEME_COLOR_CONSTANTS) && - meta_theme_lookup_color_constant (theme, str, &referent)) - { - if (referent) - return meta_color_spec_new_from_string (referent, err); - - /* no need to free referent: it's a pointer into the actual hash table */ - } - - return meta_color_spec_new_from_string (str, err); -} - -static gboolean -parse_title_scale (const char *str, - double *val, - GMarkupParseContext *context, - GError **error) -{ - double factor; - - if (strcmp (str, "xx-small") == 0) - factor = PANGO_SCALE_XX_SMALL; - else if (strcmp (str, "x-small") == 0) - factor = PANGO_SCALE_X_SMALL; - else if (strcmp (str, "small") == 0) - factor = PANGO_SCALE_SMALL; - else if (strcmp (str, "medium") == 0) - factor = PANGO_SCALE_MEDIUM; - else if (strcmp (str, "large") == 0) - factor = PANGO_SCALE_LARGE; - else if (strcmp (str, "x-large") == 0) - factor = PANGO_SCALE_X_LARGE; - else if (strcmp (str, "xx-large") == 0) - factor = PANGO_SCALE_XX_LARGE; - else - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Invalid title scale \"%s\" (must be one of xx-small,x-small,small,medium,large,x-large,xx-large)\n"), - str); - return FALSE; - } - - *val = factor; - - return TRUE; -} - -static void -parse_toplevel_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_THEME); - - if (ELEMENT_IS ("info")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_INFO); - } - else if (ELEMENT_IS ("constant")) - { - const char *name; - const char *value; - int ival = 0; - double dval = 0.0; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "!value", &value, - NULL)) - return; - - if (strchr (value, '.') && parse_double (value, &dval, context, error)) - { - g_clear_error (error); - - if (!meta_theme_define_float_constant (info->theme, - name, - dval, - error)) - { - add_context_to_error (error, context); - return; - } - } - else if (parse_positive_integer (value, &ival, context, info->theme, error)) - { - g_clear_error (error); - - if (!meta_theme_define_int_constant (info->theme, - name, - ival, - error)) - { - add_context_to_error (error, context); - return; - } - } - else - { - g_clear_error (error); - - if (!meta_theme_define_color_constant (info->theme, - name, - value, - error)) - { - add_context_to_error (error, context); - return; - } - } - - push_state (info, STATE_CONSTANT); - } - else if (ELEMENT_IS ("frame_geometry")) - { - const char *name = NULL; - const char *parent = NULL; - const char *has_title = NULL; - const char *title_scale = NULL; - const char *rounded_top_left = NULL; - const char *rounded_top_right = NULL; - const char *rounded_bottom_left = NULL; - const char *rounded_bottom_right = NULL; - const char *hide_buttons = NULL; - gboolean has_title_val; - guint rounded_top_left_val; - guint rounded_top_right_val; - guint rounded_bottom_left_val; - guint rounded_bottom_right_val; - gboolean hide_buttons_val; - double title_scale_val; - MetaFrameLayout *parent_layout; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "parent", &parent, - "has_title", &has_title, "title_scale", &title_scale, - "rounded_top_left", &rounded_top_left, - "rounded_top_right", &rounded_top_right, - "rounded_bottom_left", &rounded_bottom_left, - "rounded_bottom_right", &rounded_bottom_right, - "hide_buttons", &hide_buttons, - NULL)) - return; - - has_title_val = TRUE; - if (has_title && !parse_boolean (has_title, &has_title_val, context, error)) - return; - - hide_buttons_val = FALSE; - if (hide_buttons && !parse_boolean (hide_buttons, &hide_buttons_val, context, error)) - return; - - rounded_top_left_val = 0; - rounded_top_right_val = 0; - rounded_bottom_left_val = 0; - rounded_bottom_right_val = 0; - - if (rounded_top_left && !parse_rounding (rounded_top_left, &rounded_top_left_val, context, info->theme, error)) - return; - if (rounded_top_right && !parse_rounding (rounded_top_right, &rounded_top_right_val, context, info->theme, error)) - return; - if (rounded_bottom_left && !parse_rounding (rounded_bottom_left, &rounded_bottom_left_val, context, info->theme, error)) - return; - if (rounded_bottom_right && !parse_rounding (rounded_bottom_right, &rounded_bottom_right_val, context, info->theme, error)) - return; - - title_scale_val = 1.0; - if (title_scale && !parse_title_scale (title_scale, &title_scale_val, context, error)) - return; - - if (meta_theme_lookup_layout (info->theme, name)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> name \"%s\" used a second time"), - element_name, name); - return; - } - - parent_layout = NULL; - if (parent) - { - parent_layout = meta_theme_lookup_layout (info->theme, parent); - if (parent_layout == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> parent \"%s\" has not been defined"), - element_name, parent); - return; - } - } - - g_assert (info->layout == NULL); - - if (parent_layout) - info->layout = meta_frame_layout_copy (parent_layout); - else - info->layout = meta_frame_layout_new (); - - if (has_title) /* only if explicit, otherwise inherit */ - info->layout->has_title = has_title_val; - - if (META_THEME_ALLOWS (info->theme, META_THEME_HIDDEN_BUTTONS) && hide_buttons_val) - info->layout->hide_buttons = hide_buttons_val; - - if (title_scale) - info->layout->title_scale = title_scale_val; - - if (rounded_top_left) - info->layout->top_left_corner_rounded_radius = rounded_top_left_val; - - if (rounded_top_right) - info->layout->top_right_corner_rounded_radius = rounded_top_right_val; - - if (rounded_bottom_left) - info->layout->bottom_left_corner_rounded_radius = rounded_bottom_left_val; - - if (rounded_bottom_right) - info->layout->bottom_right_corner_rounded_radius = rounded_bottom_right_val; - - meta_theme_insert_layout (info->theme, name, info->layout); - - push_state (info, STATE_FRAME_GEOMETRY); - } - else if (ELEMENT_IS ("draw_ops")) - { - const char *name = NULL; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, - NULL)) - return; - - if (meta_theme_lookup_draw_op_list (info->theme, name)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> name \"%s\" used a second time"), - element_name, name); - return; - } - - g_assert (info->op_list == NULL); - info->op_list = meta_draw_op_list_new (2); - - meta_theme_insert_draw_op_list (info->theme, name, info->op_list); - - push_state (info, STATE_DRAW_OPS); - } - else if (ELEMENT_IS ("frame_style")) - { - const char *name = NULL; - const char *parent = NULL; - const char *geometry = NULL; - const char *background = NULL; - const char *alpha = NULL; - MetaFrameStyle *parent_style; - MetaFrameLayout *layout; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "parent", &parent, - "geometry", &geometry, - "background", &background, - "alpha", &alpha, - NULL)) - return; - - if (meta_theme_lookup_style (info->theme, name)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> name \"%s\" used a second time"), - element_name, name); - return; - } - - parent_style = NULL; - if (parent) - { - parent_style = meta_theme_lookup_style (info->theme, parent); - if (parent_style == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> parent \"%s\" has not been defined"), - element_name, parent); - return; - } - } - - layout = NULL; - if (geometry) - { - layout = meta_theme_lookup_layout (info->theme, geometry); - if (layout == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> geometry \"%s\" has not been defined"), - element_name, geometry); - return; - } - } - else if (parent_style) - { - layout = parent_style->layout; - } - - if (layout == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> must specify either a geometry or a parent that has a geometry"), - element_name); - return; - } - - g_assert (info->style == NULL); - - info->style = meta_frame_style_new (parent_style); - g_assert (info->style->layout == NULL); - meta_frame_layout_ref (layout); - info->style->layout = layout; - - if (background != NULL && META_THEME_ALLOWS (info->theme, META_THEME_FRAME_BACKGROUNDS)) - { - info->style->window_background_color = meta_color_spec_new_from_string (background, error); - if (!info->style->window_background_color) - return; - - if (alpha != NULL) - { - - gboolean success; - MetaAlphaGradientSpec *alpha_vector; - - g_clear_error (error); - /* fortunately, we already have a routine to parse alpha values, - * though it produces a vector of them, which is a superset of - * what we want. - */ - success = parse_alpha (alpha, &alpha_vector, context, error); - if (!success) - return; - - /* alpha_vector->alphas must contain at least one element */ - info->style->window_background_alpha = alpha_vector->alphas[0]; - - meta_alpha_gradient_spec_free (alpha_vector); - } - } - else if (alpha != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("You must specify a background for an alpha value to be meaningful")); - return; - } - - meta_theme_insert_style (info->theme, name, info->style); - - push_state (info, STATE_FRAME_STYLE); - } - else if (ELEMENT_IS ("frame_style_set")) - { - const char *name = NULL; - const char *parent = NULL; - MetaFrameStyleSet *parent_set; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "parent", &parent, - NULL)) - return; - - if (meta_theme_lookup_style_set (info->theme, name)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> name \"%s\" used a second time"), - element_name, name); - return; - } - - parent_set = NULL; - if (parent) - { - parent_set = meta_theme_lookup_style_set (info->theme, parent); - if (parent_set == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> parent \"%s\" has not been defined"), - element_name, parent); - return; - } - } - - g_assert (info->style_set == NULL); - - info->style_set = meta_frame_style_set_new (parent_set); - - meta_theme_insert_style_set (info->theme, name, info->style_set); - - push_state (info, STATE_FRAME_STYLE_SET); - } - else if (ELEMENT_IS ("window")) - { - const char *type_name = NULL; - const char *style_set_name = NULL; - MetaFrameStyleSet *style_set; - MetaFrameType type; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!type", &type_name, "!style_set", &style_set_name, - NULL)) - return; - - type = meta_frame_type_from_string (type_name); - - if (type == META_FRAME_TYPE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown type \"%s\" on <%s> element"), - type_name, element_name); - return; - } - - style_set = meta_theme_lookup_style_set (info->theme, - style_set_name); - - if (style_set == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown style_set \"%s\" on <%s> element"), - style_set_name, element_name); - return; - } - - if (info->theme->style_sets_by_type[type] != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Window type \"%s\" has already been assigned a style set"), - type_name); - return; - } - - meta_frame_style_set_ref (style_set); - info->theme->style_sets_by_type[type] = style_set; - - push_state (info, STATE_WINDOW); - } - else if (ELEMENT_IS ("menu_icon")) - { - /* Not supported any more, but we have to parse it if they include it, - * for backwards compatibility. - */ - g_assert (info->op_list == NULL); - - push_state (info, STATE_MENU_ICON); - } - else if (ELEMENT_IS ("fallback")) - { - /* Not supported any more, but we have to parse it if they include it, - * for backwards compatibility. - */ - push_state (info, STATE_FALLBACK); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "metacity_theme"); - } -} - -static void -parse_info_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_INFO); - - if (ELEMENT_IS ("name")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_NAME); - } - else if (ELEMENT_IS ("author")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_AUTHOR); - } - else if (ELEMENT_IS ("copyright")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_COPYRIGHT); - } - else if (ELEMENT_IS ("description")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_DESCRIPTION); - } - else if (ELEMENT_IS ("date")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_DATE); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "info"); - } -} - -static void -parse_distance (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - const char *name; - const char *value; - int val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "!value", &value, - NULL)) - return; - - val = 0; - if (!parse_positive_integer (value, &val, context, info->theme, error)) - return; - - g_assert (val >= 0); /* yeah, "non-negative" not "positive" get over it */ - g_assert (info->layout); - - if (strcmp (name, "left_width") == 0) - info->layout->left_width = val; - else if (strcmp (name, "right_width") == 0) - info->layout->right_width = val; - else if (strcmp (name, "bottom_height") == 0) - info->layout->bottom_height = val; - else if (strcmp (name, "title_vertical_pad") == 0) - info->layout->title_vertical_pad = val; - else if (strcmp (name, "right_titlebar_edge") == 0) - info->layout->right_titlebar_edge = val; - else if (strcmp (name, "left_titlebar_edge") == 0) - info->layout->left_titlebar_edge = val; - else if (strcmp (name, "button_width") == 0) - { - info->layout->button_width = val; - - if (!(info->layout->button_sizing == META_BUTTON_SIZING_LAST || - info->layout->button_sizing == META_BUTTON_SIZING_FIXED)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Cannot specify both \"button_width\"/\"button_height\" and \"aspect_ratio\" for buttons")); - return; - } - - info->layout->button_sizing = META_BUTTON_SIZING_FIXED; - } - else if (strcmp (name, "button_height") == 0) - { - info->layout->button_height = val; - - if (!(info->layout->button_sizing == META_BUTTON_SIZING_LAST || - info->layout->button_sizing == META_BUTTON_SIZING_FIXED)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Cannot specify both \"button_width\"/\"button_height\" and \"aspect_ratio\" for buttons")); - return; - } - - info->layout->button_sizing = META_BUTTON_SIZING_FIXED; - } - else - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Distance \"%s\" is unknown"), name); - return; - } -} - -static void -parse_aspect_ratio (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - const char *name; - const char *value; - double val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "!value", &value, - NULL)) - return; - - val = 0; - if (!parse_double (value, &val, context, error)) - return; - - g_assert (info->layout); - - if (strcmp (name, "button") == 0) - { - info->layout->button_aspect = val; - - if (info->layout->button_sizing != META_BUTTON_SIZING_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Cannot specify both \"button_width\"/\"button_height\" and \"aspect_ratio\" for buttons")); - return; - } - - info->layout->button_sizing = META_BUTTON_SIZING_ASPECT; - } - else - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Aspect ratio \"%s\" is unknown"), name); - return; - } -} - -static void -parse_border (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - const char *name; - const char *top; - const char *bottom; - const char *left; - const char *right; - int top_val; - int bottom_val; - int left_val; - int right_val; - GtkBorder *border; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, - "!top", &top, - "!bottom", &bottom, - "!left", &left, - "!right", &right, - NULL)) - return; - - top_val = 0; - if (!parse_positive_integer (top, &top_val, context, info->theme, error)) - return; - - bottom_val = 0; - if (!parse_positive_integer (bottom, &bottom_val, context, info->theme, error)) - return; - - left_val = 0; - if (!parse_positive_integer (left, &left_val, context, info->theme, error)) - return; - - right_val = 0; - if (!parse_positive_integer (right, &right_val, context, info->theme, error)) - return; - - g_assert (info->layout); - - border = NULL; - - if (strcmp (name, "title_border") == 0) - border = &info->layout->title_border; - else if (strcmp (name, "button_border") == 0) - border = &info->layout->button_border; - - if (border == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Border \"%s\" is unknown"), name); - return; - } - - border->top = top_val; - border->bottom = bottom_val; - border->left = left_val; - border->right = right_val; -} - -static void -parse_geometry_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_FRAME_GEOMETRY); - - if (ELEMENT_IS ("distance")) - { - parse_distance (context, element_name, - attribute_names, attribute_values, - info, error); - push_state (info, STATE_DISTANCE); - } - else if (ELEMENT_IS ("border")) - { - parse_border (context, element_name, - attribute_names, attribute_values, - info, error); - push_state (info, STATE_BORDER); - } - else if (ELEMENT_IS ("aspect_ratio")) - { - parse_aspect_ratio (context, element_name, - attribute_names, attribute_values, - info, error); - - push_state (info, STATE_ASPECT_RATIO); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "frame_geometry"); - } -} - -#if 0 -static gboolean -check_expression (PosToken *tokens, - int n_tokens, - gboolean has_object, - MetaTheme *theme, - GMarkupParseContext *context, - GError **error) -{ - MetaPositionExprEnv env; - int x, y; - - /* We set it all to 0 to try and catch divide-by-zero screwups. - * it's possible we should instead guarantee that widths and heights - * are at least 1. - */ - - env.rect = meta_rect (0, 0, 0, 0); - if (has_object) - { - env.object_width = 0; - env.object_height = 0; - } - else - { - env.object_width = -1; - env.object_height = -1; - } - - env.left_width = 0; - env.right_width = 0; - env.top_height = 0; - env.bottom_height = 0; - env.title_width = 0; - env.title_height = 0; - - env.icon_width = 0; - env.icon_height = 0; - env.mini_icon_width = 0; - env.mini_icon_height = 0; - env.theme = theme; - - if (!meta_parse_position_expression (tokens, n_tokens, - &env, - &x, &y, - error)) - { - add_context_to_error (error, context); - return FALSE; - } - - return TRUE; -} -#endif - -static void -parse_draw_op_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_DRAW_OPS); - - if (ELEMENT_IS ("line")) - { - MetaDrawOp *op; - const char *color; - const char *x1; - const char *y1; - const char *x2; - const char *y2; - const char *dash_on_length; - const char *dash_off_length; - const char *width; - MetaColorSpec *color_spec; - int dash_on_val; - int dash_off_val; - int width_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x1", &x1, "!y1", &y1, - "!x2", &x2, "!y2", &y2, - "dash_on_length", &dash_on_length, - "dash_off_length", &dash_off_length, - "width", &width, - NULL)) - return; - -#if 0 - if (!check_expression (x1, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y1, FALSE, info->theme, context, error)) - return; - - if (!check_expression (x2, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y2, FALSE, info->theme, context, error)) - return; -#endif - - dash_on_val = 0; - if (dash_on_length && - !parse_positive_integer (dash_on_length, &dash_on_val, context, info->theme, error)) - return; - - dash_off_val = 0; - if (dash_off_length && - !parse_positive_integer (dash_off_length, &dash_off_val, context, info->theme, error)) - return; - - width_val = 0; - if (width && - !parse_positive_integer (width, &width_val, context, info->theme, error)) - return; - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_LINE); - - op->data.line.color_spec = color_spec; - - op->data.line.x1 = meta_draw_spec_new (info->theme, x1, NULL); - op->data.line.y1 = meta_draw_spec_new (info->theme, y1, NULL); - op->data.line.x2 = meta_draw_spec_new (info->theme, x2, NULL); - op->data.line.y2 = meta_draw_spec_new (info->theme, y2, NULL); - - op->data.line.width = width_val; - op->data.line.dash_on_length = dash_on_val; - op->data.line.dash_off_length = dash_off_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_LINE); - } - else if (ELEMENT_IS ("rectangle")) - { - MetaDrawOp *op; - const char *color; - const char *x; - const char *y; - const char *width; - const char *height; - const char *filled; - gboolean filled_val; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "filled", &filled, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - - filled_val = FALSE; - if (filled && !parse_boolean (filled, &filled_val, context, error)) - return; - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_RECTANGLE); - - op->data.rectangle.color_spec = color_spec; - op->data.rectangle.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.rectangle.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.rectangle.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.rectangle.height = meta_draw_spec_new (info->theme, - height, NULL); - - op->data.rectangle.filled = filled_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_RECTANGLE); - } - else if (ELEMENT_IS ("arc")) - { - MetaDrawOp *op; - const char *color; - const char *x; - const char *y; - const char *width; - const char *height; - const char *filled; - const char *start_angle; - const char *extent_angle; - const char *from; - const char *to; - gboolean filled_val; - double start_angle_val; - double extent_angle_val; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "filled", &filled, - "start_angle", &start_angle, - "extent_angle", &extent_angle, - "from", &from, - "to", &to, - NULL)) - return; - - if (META_THEME_ALLOWS (info->theme, META_THEME_DEGREES_IN_ARCS) ) - { - if (start_angle == NULL && from == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No \"start_angle\" or \"from\" attribute on element <%s>"), element_name); - return; - } - - if (extent_angle == NULL && to == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No \"extent_angle\" or \"to\" attribute on element <%s>"), element_name); - return; - } - } - else - { - if (start_angle == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, "start_angle", element_name); - return; - } - - if (extent_angle == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, "extent_angle", element_name); - return; - } - } - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - - if (start_angle == NULL) - { - if (!parse_angle (from, &start_angle_val, context, error)) - return; - - start_angle_val = (180-start_angle_val)/360.0; - } - else - { - if (!parse_angle (start_angle, &start_angle_val, context, error)) - return; - } - - if (extent_angle == NULL) - { - if (!parse_angle (to, &extent_angle_val, context, error)) - return; - - extent_angle_val = ((180-extent_angle_val)/360.0) - start_angle_val; - } - else - { - if (!parse_angle (extent_angle, &extent_angle_val, context, error)) - return; - } - - filled_val = FALSE; - if (filled && !parse_boolean (filled, &filled_val, context, error)) - return; - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_ARC); - - op->data.arc.color_spec = color_spec; - - op->data.arc.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.arc.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.arc.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.arc.height = meta_draw_spec_new (info->theme, height, NULL); - - op->data.arc.filled = filled_val; - op->data.arc.start_angle = start_angle_val; - op->data.arc.extent_angle = extent_angle_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_ARC); - } - else if (ELEMENT_IS ("clip")) - { - MetaDrawOp *op; - const char *x; - const char *y; - const char *width; - const char *height; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - op = meta_draw_op_new (META_DRAW_CLIP); - - op->data.clip.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.clip.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.clip.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.clip.height = meta_draw_spec_new (info->theme, height, NULL); - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_CLIP); - } - else if (ELEMENT_IS ("tint")) - { - MetaDrawOp *op; - const char *color; - const char *x; - const char *y; - const char *width; - const char *height; - const char *alpha; - MetaAlphaGradientSpec *alpha_spec; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "!alpha", &alpha, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - alpha_spec = NULL; - if (!parse_alpha (alpha, &alpha_spec, context, error)) - return; - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - if (alpha_spec) - meta_alpha_gradient_spec_free (alpha_spec); - - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_TINT); - - op->data.tint.color_spec = color_spec; - op->data.tint.alpha_spec = alpha_spec; - - op->data.tint.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.tint.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.tint.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.tint.height = meta_draw_spec_new (info->theme, height, NULL); - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_TINT); - } - else if (ELEMENT_IS ("gradient")) - { - const char *x; - const char *y; - const char *width; - const char *height; - const char *type; - const char *alpha; - MetaAlphaGradientSpec *alpha_spec; - MetaGradientType type_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!type", &type, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "alpha", &alpha, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - - type_val = meta_gradient_type_from_string (type); - if (type_val == META_GRADIENT_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Did not understand value \"%s\" for type of gradient"), - type); - return; - } - - alpha_spec = NULL; - if (alpha && !parse_alpha (alpha, &alpha_spec, context, error)) - return; - - g_assert (info->op == NULL); - info->op = meta_draw_op_new (META_DRAW_GRADIENT); - - info->op->data.gradient.x = meta_draw_spec_new (info->theme, x, NULL); - info->op->data.gradient.y = meta_draw_spec_new (info->theme, y, NULL); - info->op->data.gradient.width = meta_draw_spec_new (info->theme, - width, NULL); - info->op->data.gradient.height = meta_draw_spec_new (info->theme, - height, NULL); - - info->op->data.gradient.gradient_spec = meta_gradient_spec_new (type_val); - - info->op->data.gradient.alpha_spec = alpha_spec; - - push_state (info, STATE_GRADIENT); - - /* op gets appended on close tag */ - } - else if (ELEMENT_IS ("image")) - { - MetaDrawOp *op; - const char *filename; - const char *x; - const char *y; - const char *width; - const char *height; - const char *alpha; - const char *colorize; - const char *fill_type; - MetaAlphaGradientSpec *alpha_spec; - GdkPixbuf *pixbuf; - MetaColorSpec *colorize_spec = NULL; - MetaImageFillType fill_type_val; - int h, w, c; - int pixbuf_width, pixbuf_height, pixbuf_n_channels, pixbuf_rowstride; - guchar *pixbuf_pixels; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "alpha", &alpha, "!filename", &filename, - "colorize", &colorize, - "fill_type", &fill_type, - NULL)) - return; - -#if 0 - if (!check_expression (x, TRUE, info->theme, context, error)) - return; - - if (!check_expression (y, TRUE, info->theme, context, error)) - return; - - if (!check_expression (width, TRUE, info->theme, context, error)) - return; - - if (!check_expression (height, TRUE, info->theme, context, error)) - return; -#endif - fill_type_val = META_IMAGE_FILL_SCALE; - if (fill_type) - { - fill_type_val = meta_image_fill_type_from_string (fill_type); - - if (((int) fill_type_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand fill type \"%s\" for <%s> element"), - fill_type, element_name); - } - } - - /* Check last so we don't have to free it when other - * stuff fails. - * - * If it's a theme image, ask for it at 64px, which is - * the largest possible. We scale it anyway. - */ - pixbuf = meta_theme_load_image (info->theme, filename, 64, error); - - if (pixbuf == NULL) - { - add_context_to_error (error, context); - return; - } - - if (colorize) - { - colorize_spec = parse_color (info->theme, colorize, error); - - if (colorize_spec == NULL) - { - add_context_to_error (error, context); - g_object_unref (G_OBJECT (pixbuf)); - return; - } - } - - alpha_spec = NULL; - if (alpha && !parse_alpha (alpha, &alpha_spec, context, error)) - { - g_object_unref (G_OBJECT (pixbuf)); - return; - } - - op = meta_draw_op_new (META_DRAW_IMAGE); - - op->data.image.pixbuf = pixbuf; - op->data.image.colorize_spec = colorize_spec; - - op->data.image.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.image.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.image.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.image.height = meta_draw_spec_new (info->theme, height, NULL); - - op->data.image.alpha_spec = alpha_spec; - op->data.image.fill_type = fill_type_val; - - /* Check for vertical & horizontal stripes */ - pixbuf_n_channels = gdk_pixbuf_get_n_channels(pixbuf); - pixbuf_width = gdk_pixbuf_get_width(pixbuf); - pixbuf_height = gdk_pixbuf_get_height(pixbuf); - pixbuf_rowstride = gdk_pixbuf_get_rowstride(pixbuf); - pixbuf_pixels = gdk_pixbuf_get_pixels(pixbuf); - - /* Check for horizontal stripes */ - for (h = 0; h < pixbuf_height; h++) - { - for (w = 1; w < pixbuf_width; w++) - { - for (c = 0; c < pixbuf_n_channels; c++) - { - if (pixbuf_pixels[(h * pixbuf_rowstride) + c] != - pixbuf_pixels[(h * pixbuf_rowstride) + w + c]) - break; - } - if (c < pixbuf_n_channels) - break; - } - if (w < pixbuf_width) - break; - } - - if (h >= pixbuf_height) - { - op->data.image.horizontal_stripes = TRUE; - } - else - { - op->data.image.horizontal_stripes = FALSE; - } - - /* Check for vertical stripes */ - for (w = 0; w < pixbuf_width; w++) - { - for (h = 1; h < pixbuf_height; h++) - { - for (c = 0; c < pixbuf_n_channels; c++) - { - if (pixbuf_pixels[w + c] != - pixbuf_pixels[(h * pixbuf_rowstride) + w + c]) - break; - } - if (c < pixbuf_n_channels) - break; - } - if (h < pixbuf_height) - break; - } - - if (w >= pixbuf_width) - { - op->data.image.vertical_stripes = TRUE; - } - else - { - op->data.image.vertical_stripes = FALSE; - } - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_IMAGE); - } - else if (ELEMENT_IS ("gtk_arrow")) - { - MetaDrawOp *op; - const char *state; - const char *shadow; - const char *arrow; - const char *x; - const char *y; - const char *width; - const char *height; - const char *filled; - gboolean filled_val; - GtkStateType state_val; - GtkShadowType shadow_val; - GtkArrowType arrow_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!state", &state, - "!shadow", &shadow, - "!arrow", &arrow, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "filled", &filled, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - filled_val = TRUE; - if (filled && !parse_boolean (filled, &filled_val, context, error)) - return; - - state_val = meta_gtk_state_from_string (state); - if (((int) state_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand state \"%s\" for <%s> element"), - state, element_name); - return; - } - - shadow_val = meta_gtk_shadow_from_string (shadow); - if (((int) shadow_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand shadow \"%s\" for <%s> element"), - shadow, element_name); - return; - } - - arrow_val = meta_gtk_arrow_from_string (arrow); - if (((int) arrow_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand arrow \"%s\" for <%s> element"), - arrow, element_name); - return; - } - - op = meta_draw_op_new (META_DRAW_GTK_ARROW); - - op->data.gtk_arrow.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.gtk_arrow.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.gtk_arrow.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.gtk_arrow.height = meta_draw_spec_new (info->theme, - height, NULL); - - op->data.gtk_arrow.filled = filled_val; - op->data.gtk_arrow.state = state_val; - op->data.gtk_arrow.shadow = shadow_val; - op->data.gtk_arrow.arrow = arrow_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_GTK_ARROW); - } - else if (ELEMENT_IS ("gtk_box")) - { - MetaDrawOp *op; - const char *state; - const char *shadow; - const char *x; - const char *y; - const char *width; - const char *height; - GtkStateType state_val; - GtkShadowType shadow_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!state", &state, - "!shadow", &shadow, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - state_val = meta_gtk_state_from_string (state); - if (((int) state_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand state \"%s\" for <%s> element"), - state, element_name); - return; - } - - shadow_val = meta_gtk_shadow_from_string (shadow); - if (((int) shadow_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand shadow \"%s\" for <%s> element"), - shadow, element_name); - return; - } - - op = meta_draw_op_new (META_DRAW_GTK_BOX); - - op->data.gtk_box.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.gtk_box.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.gtk_box.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.gtk_box.height = meta_draw_spec_new (info->theme, height, NULL); - - op->data.gtk_box.state = state_val; - op->data.gtk_box.shadow = shadow_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_GTK_BOX); - } - else if (ELEMENT_IS ("gtk_vline")) - { - MetaDrawOp *op; - const char *state; - const char *x; - const char *y1; - const char *y2; - GtkStateType state_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!state", &state, - "!x", &x, "!y1", &y1, "!y2", &y2, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y1, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y2, FALSE, info->theme, context, error)) - return; -#endif - - state_val = meta_gtk_state_from_string (state); - if (((int) state_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand state \"%s\" for <%s> element"), - state, element_name); - return; - } - - op = meta_draw_op_new (META_DRAW_GTK_VLINE); - - op->data.gtk_vline.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.gtk_vline.y1 = meta_draw_spec_new (info->theme, y1, NULL); - op->data.gtk_vline.y2 = meta_draw_spec_new (info->theme, y2, NULL); - - op->data.gtk_vline.state = state_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_GTK_VLINE); - } - else if (ELEMENT_IS ("icon")) - { - MetaDrawOp *op; - const char *x; - const char *y; - const char *width; - const char *height; - const char *alpha; - const char *fill_type; - MetaAlphaGradientSpec *alpha_spec; - MetaImageFillType fill_type_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "alpha", &alpha, - "fill_type", &fill_type, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - fill_type_val = META_IMAGE_FILL_SCALE; - if (fill_type) - { - fill_type_val = meta_image_fill_type_from_string (fill_type); - - if (((int) fill_type_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand fill type \"%s\" for <%s> element"), - fill_type, element_name); - } - } - - alpha_spec = NULL; - if (alpha && !parse_alpha (alpha, &alpha_spec, context, error)) - return; - - op = meta_draw_op_new (META_DRAW_ICON); - - op->data.icon.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.icon.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.icon.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.icon.height = meta_draw_spec_new (info->theme, height, NULL); - - op->data.icon.alpha_spec = alpha_spec; - op->data.icon.fill_type = fill_type_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_ICON); - } - else if (ELEMENT_IS ("title")) - { - MetaDrawOp *op; - const char *color; - const char *x; - const char *y; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x", &x, "!y", &y, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; -#endif - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_TITLE); - - op->data.title.color_spec = color_spec; - - op->data.title.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.title.y = meta_draw_spec_new (info->theme, y, NULL); - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_TITLE); - } - else if (ELEMENT_IS ("include")) - { - MetaDrawOp *op; - const char *name; - const char *x; - const char *y; - const char *width; - const char *height; - MetaDrawOpList *op_list; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "x", &x, "y", &y, - "width", &width, "height", &height, - "!name", &name, - NULL)) - return; - - /* x/y/width/height default to 0,0,width,height - should - * probably do this for all the draw ops - */ -#if 0 - if (x && !check_expression (x, FALSE, info->theme, context, error)) - return; - - if (y && !check_expression (y, FALSE, info->theme, context, error)) - return; - - if (width && !check_expression (width, FALSE, info->theme, context, error)) - return; - - if (height && !check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - - op_list = meta_theme_lookup_draw_op_list (info->theme, - name); - if (op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("No <draw_ops> called \"%s\" has been defined"), - name); - return; - } - - g_assert (info->op_list); - - if (op_list == info->op_list || - meta_draw_op_list_contains (op_list, info->op_list)) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Including draw_ops \"%s\" here would create a circular reference"), - name); - return; - } - - op = meta_draw_op_new (META_DRAW_OP_LIST); - - meta_draw_op_list_ref (op_list); - op->data.op_list.op_list = op_list; - - op->data.op_list.x = meta_draw_spec_new (info->theme, x ? x : "0", NULL); - op->data.op_list.y = meta_draw_spec_new (info->theme, y ? y : "0", NULL); - op->data.op_list.width = meta_draw_spec_new (info->theme, - width ? width : "width", - NULL); - op->data.op_list.height = meta_draw_spec_new (info->theme, - height ? height : "height", - NULL); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_INCLUDE); - } - else if (ELEMENT_IS ("tile")) - { - MetaDrawOp *op; - const char *name; - const char *x; - const char *y; - const char *width; - const char *height; - const char *tile_xoffset; - const char *tile_yoffset; - const char *tile_width; - const char *tile_height; - MetaDrawOpList *op_list; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "x", &x, "y", &y, - "width", &width, "height", &height, - "!name", &name, - "tile_xoffset", &tile_xoffset, - "tile_yoffset", &tile_yoffset, - "!tile_width", &tile_width, - "!tile_height", &tile_height, - NULL)) - return; - - /* These default to 0 */ -#if 0 - if (tile_xoffset && !check_expression (tile_xoffset, FALSE, info->theme, context, error)) - return; - - if (tile_yoffset && !check_expression (tile_yoffset, FALSE, info->theme, context, error)) - return; - - /* x/y/width/height default to 0,0,width,height - should - * probably do this for all the draw ops - */ - if (x && !check_expression (x, FALSE, info->theme, context, error)) - return; - - if (y && !check_expression (y, FALSE, info->theme, context, error)) - return; - - if (width && !check_expression (width, FALSE, info->theme, context, error)) - return; - - if (height && !check_expression (height, FALSE, info->theme, context, error)) - return; - - if (!check_expression (tile_width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (tile_height, FALSE, info->theme, context, error)) - return; -#endif - op_list = meta_theme_lookup_draw_op_list (info->theme, - name); - if (op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("No <draw_ops> called \"%s\" has been defined"), - name); - return; - } - - g_assert (info->op_list); - - if (op_list == info->op_list || - meta_draw_op_list_contains (op_list, info->op_list)) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Including draw_ops \"%s\" here would create a circular reference"), - name); - return; - } - - op = meta_draw_op_new (META_DRAW_TILE); - - meta_draw_op_list_ref (op_list); - - op->data.tile.x = meta_draw_spec_new (info->theme, x ? x : "0", NULL); - op->data.tile.y = meta_draw_spec_new (info->theme, y ? y : "0", NULL); - op->data.tile.width = meta_draw_spec_new (info->theme, - width ? width : "width", - NULL); - op->data.tile.height = meta_draw_spec_new (info->theme, - height ? height : "height", - NULL); - op->data.tile.tile_xoffset = meta_draw_spec_new (info->theme, - tile_xoffset ? tile_xoffset : "0", - NULL); - op->data.tile.tile_yoffset = meta_draw_spec_new (info->theme, - tile_yoffset ? tile_yoffset : "0", - NULL); - op->data.tile.tile_width = meta_draw_spec_new (info->theme, tile_width, NULL); - op->data.tile.tile_height = meta_draw_spec_new (info->theme, tile_height, NULL); - - op->data.tile.op_list = op_list; - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_TILE); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "draw_ops"); - } -} - -static void -parse_gradient_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_GRADIENT); - - if (ELEMENT_IS ("color")) - { - const char *value = NULL; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!value", &value, - NULL)) - return; - - color_spec = parse_color (info->theme, value, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - g_assert (info->op); - g_assert (info->op->type == META_DRAW_GRADIENT); - g_assert (info->op->data.gradient.gradient_spec != NULL); - info->op->data.gradient.gradient_spec->color_specs = - g_slist_append (info->op->data.gradient.gradient_spec->color_specs, - color_spec); - - push_state (info, STATE_COLOR); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "gradient"); - } -} - -static void -parse_style_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_FRAME_STYLE); - - g_assert (info->style); - - if (ELEMENT_IS ("piece")) - { - const char *position = NULL; - const char *draw_ops = NULL; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!position", &position, - "draw_ops", &draw_ops, - NULL)) - return; - - info->piece = meta_frame_piece_from_string (position); - if (info->piece == META_FRAME_PIECE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown position \"%s\" for frame piece"), - position); - return; - } - - if (info->style->pieces[info->piece] != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Frame style already has a piece at position %s"), - position); - return; - } - - g_assert (info->op_list == NULL); - - if (draw_ops) - { - MetaDrawOpList *op_list; - - op_list = meta_theme_lookup_draw_op_list (info->theme, - draw_ops); - - if (op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No <draw_ops> with the name \"%s\" has been defined"), - draw_ops); - return; - } - - meta_draw_op_list_ref (op_list); - info->op_list = op_list; - } - - push_state (info, STATE_PIECE); - } - else if (ELEMENT_IS ("button")) - { - const char *function = NULL; - const char *state = NULL; - const char *draw_ops = NULL; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!function", &function, - "!state", &state, - "draw_ops", &draw_ops, - NULL)) - return; - - info->button_type = meta_button_type_from_string (function, info->theme); - if (info->button_type == META_BUTTON_TYPE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown function \"%s\" for button"), - function); - return; - } - - if (meta_theme_earliest_version_with_button (info->button_type) > - info->theme->format_version) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Button function \"%s\" does not exist in this version (%d, need %d)"), - function, - info->theme->format_version, - meta_theme_earliest_version_with_button (info->button_type) - ); - return; - } - - info->button_state = meta_button_state_from_string (state); - if (info->button_state == META_BUTTON_STATE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown state \"%s\" for button"), - state); - return; - } - - if (info->style->buttons[info->button_type][info->button_state] != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Frame style already has a button for function %s state %s"), - function, state); - return; - } - - g_assert (info->op_list == NULL); - - if (draw_ops) - { - MetaDrawOpList *op_list; - - op_list = meta_theme_lookup_draw_op_list (info->theme, - draw_ops); - - if (op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No <draw_ops> with the name \"%s\" has been defined"), - draw_ops); - return; - } - - meta_draw_op_list_ref (op_list); - info->op_list = op_list; - } - - push_state (info, STATE_BUTTON); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "frame_style"); - } -} - -static void -parse_style_set_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_FRAME_STYLE_SET); - - if (ELEMENT_IS ("frame")) - { - const char *focus = NULL; - const char *state = NULL; - const char *resize = NULL; - const char *style = NULL; - MetaFrameFocus frame_focus; - MetaFrameState frame_state; - MetaFrameResize frame_resize; - MetaFrameStyle *frame_style; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!focus", &focus, - "!state", &state, - "resize", &resize, - "!style", &style, - NULL)) - return; - - frame_focus = meta_frame_focus_from_string (focus); - if (frame_focus == META_FRAME_FOCUS_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"%s\" is not a valid value for focus attribute"), - focus); - return; - } - - frame_state = meta_frame_state_from_string (state); - if (frame_state == META_FRAME_STATE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"%s\" is not a valid value for state attribute"), - focus); - return; - } - - frame_style = meta_theme_lookup_style (info->theme, style); - - if (frame_style == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("A style called \"%s\" has not been defined"), - style); - return; - } - - switch (frame_state) - { - case META_FRAME_STATE_NORMAL: - if (resize == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, - "resize", element_name); - return; - } - - - frame_resize = meta_frame_resize_from_string (resize); - if (frame_resize == META_FRAME_RESIZE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"%s\" is not a valid value for resize attribute"), - focus); - return; - } - - break; - - case META_FRAME_STATE_SHADED: - if (META_THEME_ALLOWS (info->theme, META_THEME_UNRESIZABLE_SHADED_STYLES)) - { - if (resize == NULL) - /* In state="normal" we would complain here. But instead we accept - * not having a resize attribute and default to resize="both", since - * that most closely mimics what we did in v1, and thus people can - * upgrade a theme to v2 without as much hassle. - */ - frame_resize = META_FRAME_RESIZE_BOTH; - else - { - frame_resize = meta_frame_resize_from_string (resize); - if (frame_resize == META_FRAME_RESIZE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"%s\" is not a valid value for resize attribute"), - focus); - return; - } - } - } - else /* v1 theme */ - { - if (resize != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Should not have \"resize\" attribute on <%s> element for maximized/shaded states"), - element_name); - return; - } - - /* resize="both" is equivalent to the old behaviour */ - frame_resize = META_FRAME_RESIZE_BOTH; - } - break; - - default: - if (resize != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Should not have \"resize\" attribute on <%s> element for maximized states"), - element_name); - return; - } - - frame_resize = META_FRAME_RESIZE_LAST; - } - - switch (frame_state) - { - case META_FRAME_STATE_NORMAL: - if (info->style_set->normal_styles[frame_resize][frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s resize %s focus %s"), - state, resize, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->normal_styles[frame_resize][frame_focus] = frame_style; - break; - case META_FRAME_STATE_MAXIMIZED: - if (info->style_set->maximized_styles[frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s focus %s"), - state, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->maximized_styles[frame_focus] = frame_style; - break; - case META_FRAME_STATE_SHADED: - if (info->style_set->shaded_styles[frame_resize][frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s resize %s focus %s"), - state, resize, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->shaded_styles[frame_resize][frame_focus] = frame_style; - break; - case META_FRAME_STATE_MAXIMIZED_AND_SHADED: - if (info->style_set->maximized_and_shaded_styles[frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s focus %s"), - state, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->maximized_and_shaded_styles[frame_focus] = frame_style; - break; - case META_FRAME_STATE_LAST: - g_assert_not_reached (); - break; - } - - push_state (info, STATE_FRAME); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "frame_style_set"); - } -} - -static void -parse_piece_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_PIECE); - - if (ELEMENT_IS ("draw_ops")) - { - if (info->op_list) - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Can't have a two draw_ops for a <piece> element (theme specified a draw_ops attribute and also a <draw_ops> element, or specified two elements)")); - return; - } - - if (!check_no_attributes (context, element_name, attribute_names, attribute_values, - error)) - return; - - g_assert (info->op_list == NULL); - info->op_list = meta_draw_op_list_new (2); - - push_state (info, STATE_DRAW_OPS); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "piece"); - } -} - -static void -parse_button_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_BUTTON); - - if (ELEMENT_IS ("draw_ops")) - { - if (info->op_list) - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Can't have a two draw_ops for a <button> element (theme specified a draw_ops attribute and also a <draw_ops> element, or specified two elements)")); - return; - } - - if (!check_no_attributes (context, element_name, attribute_names, attribute_values, - error)) - return; - - g_assert (info->op_list == NULL); - info->op_list = meta_draw_op_list_new (2); - - push_state (info, STATE_DRAW_OPS); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "button"); - } -} - -static void -parse_menu_icon_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_MENU_ICON); - - if (ELEMENT_IS ("draw_ops")) - { - if (info->op_list) - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Can't have a two draw_ops for a <menu_icon> element (theme specified a draw_ops attribute and also a <draw_ops> element, or specified two elements)")); - return; - } - - if (!check_no_attributes (context, element_name, attribute_names, attribute_values, - error)) - return; - - g_assert (info->op_list == NULL); - info->op_list = meta_draw_op_list_new (2); - - push_state (info, STATE_DRAW_OPS); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "menu_icon"); - } -} - - -static void -start_element_handler (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - gpointer user_data, - GError **error) -{ - ParseInfo *info = user_data; - - switch (peek_state (info)) - { - case STATE_START: - if (strcmp (element_name, "metacity_theme") == 0) - { - info->theme = meta_theme_new (); - info->theme->name = g_strdup (info->theme_name); - info->theme->filename = g_strdup (info->theme_file); - info->theme->dirname = g_strdup (info->theme_dir); - info->theme->format_version = info->format_version; - - push_state (info, STATE_THEME); - } - else - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Outermost element in theme must be <metacity_theme> not <%s>"), - element_name); - break; - - case STATE_THEME: - parse_toplevel_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_INFO: - parse_info_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_NAME: - case STATE_AUTHOR: - case STATE_COPYRIGHT: - case STATE_DATE: - case STATE_DESCRIPTION: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a name/author/date/description element"), - element_name); - break; - case STATE_CONSTANT: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <constant> element"), - element_name); - break; - case STATE_FRAME_GEOMETRY: - parse_geometry_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_DISTANCE: - case STATE_BORDER: - case STATE_ASPECT_RATIO: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a distance/border/aspect_ratio element"), - element_name); - break; - case STATE_DRAW_OPS: - parse_draw_op_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_LINE: - case STATE_RECTANGLE: - case STATE_ARC: - case STATE_CLIP: - case STATE_TINT: - case STATE_IMAGE: - case STATE_GTK_ARROW: - case STATE_GTK_BOX: - case STATE_GTK_VLINE: - case STATE_ICON: - case STATE_TITLE: - case STATE_INCLUDE: - case STATE_TILE: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a draw operation element"), - element_name); - break; - case STATE_GRADIENT: - parse_gradient_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_COLOR: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <%s> element"), - element_name, "color"); - break; - case STATE_FRAME_STYLE: - parse_style_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_PIECE: - parse_piece_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_BUTTON: - parse_button_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_MENU_ICON: - parse_menu_icon_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_FRAME_STYLE_SET: - parse_style_set_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_FRAME: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <%s> element"), - element_name, "frame"); - break; - case STATE_WINDOW: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <%s> element"), - element_name, "window"); - break; - case STATE_FALLBACK: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <%s> element"), - element_name, "fallback"); - break; - } -} - -static void -end_element_handler (GMarkupParseContext *context, - const gchar *element_name, - gpointer user_data, - GError **error) -{ - ParseInfo *info = user_data; - - switch (peek_state (info)) - { - case STATE_START: - break; - case STATE_THEME: - g_assert (info->theme); - - if (!meta_theme_validate (info->theme, error)) - { - add_context_to_error (error, context); - meta_theme_free (info->theme); - info->theme = NULL; - } - - pop_state (info); - g_assert (peek_state (info) == STATE_START); - break; - case STATE_INFO: - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_NAME: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_AUTHOR: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_COPYRIGHT: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_DATE: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_DESCRIPTION: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_CONSTANT: - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_FRAME_GEOMETRY: - g_assert (info->layout); - - if (!meta_frame_layout_validate (info->layout, - error)) - { - add_context_to_error (error, context); - } - - /* layout will already be stored in the theme under - * its name - */ - meta_frame_layout_unref (info->layout); - info->layout = NULL; - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_DISTANCE: - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_GEOMETRY); - break; - case STATE_BORDER: - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_GEOMETRY); - break; - case STATE_ASPECT_RATIO: - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_GEOMETRY); - break; - case STATE_DRAW_OPS: - { - g_assert (info->op_list); - - if (!meta_draw_op_list_validate (info->op_list, - error)) - { - add_context_to_error (error, context); - meta_draw_op_list_unref (info->op_list); - info->op_list = NULL; - } - - pop_state (info); - - switch (peek_state (info)) - { - case STATE_BUTTON: - case STATE_PIECE: - case STATE_MENU_ICON: - /* Leave info->op_list to be picked up - * when these elements are closed - */ - g_assert (info->op_list); - break; - case STATE_THEME: - g_assert (info->op_list); - meta_draw_op_list_unref (info->op_list); - info->op_list = NULL; - break; - default: - /* Op list can't occur in other contexts */ - g_assert_not_reached (); - break; - } - } - break; - case STATE_LINE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_RECTANGLE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_ARC: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_CLIP: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_TINT: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_GRADIENT: - g_assert (info->op); - g_assert (info->op->type == META_DRAW_GRADIENT); - if (!meta_gradient_spec_validate (info->op->data.gradient.gradient_spec, - error)) - { - add_context_to_error (error, context); - meta_draw_op_free (info->op); - info->op = NULL; - } - else - { - g_assert (info->op_list); - meta_draw_op_list_append (info->op_list, info->op); - info->op = NULL; - } - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_IMAGE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_GTK_ARROW: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_GTK_BOX: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_GTK_VLINE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_ICON: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_TITLE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_INCLUDE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_TILE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_COLOR: - pop_state (info); - g_assert (peek_state (info) == STATE_GRADIENT); - break; - case STATE_FRAME_STYLE: - g_assert (info->style); - - if (!meta_frame_style_validate (info->style, - info->theme->format_version, - error)) - { - add_context_to_error (error, context); - } - - /* Frame style is in the theme hash table and a ref - * is held there - */ - meta_frame_style_unref (info->style); - info->style = NULL; - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_PIECE: - g_assert (info->style); - if (info->op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No draw_ops provided for frame piece")); - } - else - { - info->style->pieces[info->piece] = info->op_list; - info->op_list = NULL; - } - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_STYLE); - break; - case STATE_BUTTON: - g_assert (info->style); - if (info->op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No draw_ops provided for button")); - } - else - { - info->style->buttons[info->button_type][info->button_state] = - info->op_list; - info->op_list = NULL; - } - pop_state (info); - break; - case STATE_MENU_ICON: - g_assert (info->theme); - if (info->op_list != NULL) - { - meta_draw_op_list_unref (info->op_list); - info->op_list = NULL; - } - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_FRAME_STYLE_SET: - g_assert (info->style_set); - - if (!meta_frame_style_set_validate (info->style_set, - error)) - { - add_context_to_error (error, context); - } - - /* Style set is in the theme hash table and a reference - * is held there. - */ - meta_frame_style_set_unref (info->style_set); - info->style_set = NULL; - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_FRAME: - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_STYLE_SET); - break; - case STATE_WINDOW: - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_FALLBACK: - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - } -} - -#define NO_TEXT(element_name) set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, _("No text is allowed inside element <%s>"), element_name) - -static gboolean -all_whitespace (const char *text, - int text_len) -{ - const char *p; - const char *end; - - p = text; - end = text + text_len; - - while (p != end) - { - if (!g_ascii_isspace (*p)) - return FALSE; - - p = g_utf8_next_char (p); - } - - return TRUE; -} - -static void -text_handler (GMarkupParseContext *context, - const gchar *text, - gsize text_len, - gpointer user_data, - GError **error) -{ - ParseInfo *info = user_data; - - if (all_whitespace (text, text_len)) - return; - - /* FIXME http://bugzilla.gnome.org/show_bug.cgi?id=70448 would - * allow a nice cleanup here. - */ - - switch (peek_state (info)) - { - case STATE_START: - g_assert_not_reached (); /* gmarkup shouldn't do this */ - break; - case STATE_THEME: - NO_TEXT ("metacity_theme"); - break; - case STATE_INFO: - NO_TEXT ("info"); - break; - case STATE_NAME: - if (info->theme->readable_name != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<name> specified twice for this theme")); - return; - } - - info->theme->readable_name = g_strndup (text, text_len); - break; - case STATE_AUTHOR: - if (info->theme->author != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<author> specified twice for this theme")); - return; - } - - info->theme->author = g_strndup (text, text_len); - break; - case STATE_COPYRIGHT: - if (info->theme->copyright != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<copyright> specified twice for this theme")); - return; - } - - info->theme->copyright = g_strndup (text, text_len); - break; - case STATE_DATE: - if (info->theme->date != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<date> specified twice for this theme")); - return; - } - - info->theme->date = g_strndup (text, text_len); - break; - case STATE_DESCRIPTION: - if (info->theme->description != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<description> specified twice for this theme")); - return; - } - - info->theme->description = g_strndup (text, text_len); - break; - case STATE_CONSTANT: - NO_TEXT ("constant"); - break; - case STATE_FRAME_GEOMETRY: - NO_TEXT ("frame_geometry"); - break; - case STATE_DISTANCE: - NO_TEXT ("distance"); - break; - case STATE_BORDER: - NO_TEXT ("border"); - break; - case STATE_ASPECT_RATIO: - NO_TEXT ("aspect_ratio"); - break; - case STATE_DRAW_OPS: - NO_TEXT ("draw_ops"); - break; - case STATE_LINE: - NO_TEXT ("line"); - break; - case STATE_RECTANGLE: - NO_TEXT ("rectangle"); - break; - case STATE_ARC: - NO_TEXT ("arc"); - break; - case STATE_CLIP: - NO_TEXT ("clip"); - break; - case STATE_TINT: - NO_TEXT ("tint"); - break; - case STATE_GRADIENT: - NO_TEXT ("gradient"); - break; - case STATE_IMAGE: - NO_TEXT ("image"); - break; - case STATE_GTK_ARROW: - NO_TEXT ("gtk_arrow"); - break; - case STATE_GTK_BOX: - NO_TEXT ("gtk_box"); - break; - case STATE_GTK_VLINE: - NO_TEXT ("gtk_vline"); - break; - case STATE_ICON: - NO_TEXT ("icon"); - break; - case STATE_TITLE: - NO_TEXT ("title"); - break; - case STATE_INCLUDE: - NO_TEXT ("include"); - break; - case STATE_TILE: - NO_TEXT ("tile"); - break; - case STATE_COLOR: - NO_TEXT ("color"); - break; - case STATE_FRAME_STYLE: - NO_TEXT ("frame_style"); - break; - case STATE_PIECE: - NO_TEXT ("piece"); - break; - case STATE_BUTTON: - NO_TEXT ("button"); - break; - case STATE_MENU_ICON: - NO_TEXT ("menu_icon"); - break; - case STATE_FRAME_STYLE_SET: - NO_TEXT ("frame_style_set"); - break; - case STATE_FRAME: - NO_TEXT ("frame"); - break; - case STATE_WINDOW: - NO_TEXT ("window"); - break; - case STATE_FALLBACK: - NO_TEXT ("fallback"); - break; - } -} - -/* We were intending to put the version number - * in the subdirectory name, but we ended up - * using the filename instead. The "-1" survives - * as a fossil. - */ -#define THEME_SUBDIR "metacity-1" - -/* Highest version of the theme format to - * look out for. - */ -#define THEME_VERSION 2 - -#define METACITY_THEME_FILENAME_FORMAT "metacity-theme-%d.xml" - -MetaTheme* -meta_theme_load (const char *theme_name, - GError **err) -{ - GMarkupParseContext *context; - GError *error; - ParseInfo info; - char *text; - gsize length; - char *theme_file; - char *theme_dir; - MetaTheme *retval; - guint version; - const gchar* const* xdg_data_dirs; - int i; - - text = NULL; - length = 0; - retval = NULL; - context = NULL; - - theme_dir = NULL; - theme_file = NULL; - - if (meta_is_debugging ()) - { - gchar *theme_filename = g_strdup_printf (METACITY_THEME_FILENAME_FORMAT, - THEME_VERSION); - - /* Try in themes in our source tree */ - theme_dir = g_build_filename ("./themes", theme_name, NULL); - - theme_file = g_build_filename (theme_dir, - theme_filename, - NULL); - - error = NULL; - if (!g_file_get_contents (theme_file, - &text, - &length, - &error)) - { - meta_topic (META_DEBUG_THEMES, "Failed to read theme from file %s: %s\n", - theme_file, error->message); - g_error_free (error); - g_free (theme_dir); - g_free (theme_file); - theme_file = NULL; - } - version = THEME_VERSION; - - g_free (theme_filename); - } - - /* We try all supported versions from current to oldest */ - for (version = THEME_VERSION; (version > 0) && (text == NULL); version--) - { - gchar *theme_filename = g_strdup_printf (METACITY_THEME_FILENAME_FORMAT, - version); - - /* We try first in home dir, XDG_DATA_DIRS, then system dir for themes */ - - /* Try home dir for themes */ - theme_dir = g_build_filename (g_get_home_dir (), - ".themes", - theme_name, - THEME_SUBDIR, - NULL); - - theme_file = g_build_filename (theme_dir, - theme_filename, - NULL); - - error = NULL; - if (!g_file_get_contents (theme_file, - &text, - &length, - &error)) - { - meta_topic (META_DEBUG_THEMES, "Failed to read theme from file %s: %s\n", - theme_file, error->message); - g_error_free (error); - g_free (theme_dir); - g_free (theme_file); - theme_file = NULL; - } - - /* Try each XDG_DATA_DIRS for theme */ - xdg_data_dirs = g_get_system_data_dirs(); - for(i = 0; xdg_data_dirs[i] != NULL; i++) - { - if (text == NULL) - { - theme_dir = g_build_filename (xdg_data_dirs[i], - "themes", - theme_name, - THEME_SUBDIR, - NULL); - - theme_file = g_build_filename (theme_dir, - theme_filename, - NULL); - - error = NULL; - if (!g_file_get_contents (theme_file, - &text, - &length, - &error)) - { - meta_topic (META_DEBUG_THEMES, "Failed to read theme from file %s: %s\n", - theme_file, error->message); - g_error_free (error); - g_free (theme_dir); - g_free (theme_file); - theme_file = NULL; - } - else - { - break; - } - } - } - - /* Look for themes in METACITY_DATADIR */ - if (text == NULL) - { - theme_dir = g_build_filename (METACITY_DATADIR, - "themes", - theme_name, - THEME_SUBDIR, - NULL); - - theme_file = g_build_filename (theme_dir, - theme_filename, - NULL); - - error = NULL; - if (!g_file_get_contents (theme_file, - &text, - &length, - &error)) - { - meta_topic (META_DEBUG_THEMES, "Failed to read theme from file %s: %s\n", - theme_file, error->message); - g_error_free (error); - g_free (theme_dir); - g_free (theme_file); - theme_file = NULL; - } - } - - g_free (theme_filename); - } - - if (text == NULL) - { - g_set_error (err, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("Failed to find a valid file for theme %s\n"), - theme_name); - - return NULL; /* all fallbacks failed */ - } - - meta_topic (META_DEBUG_THEMES, "Parsing theme file %s\n", theme_file); - - - parse_info_init (&info); - info.theme_name = theme_name; - - /* pass ownership to info so we free it with the info */ - info.theme_file = theme_file; - info.theme_dir = theme_dir; - - info.format_version = version + 1; - - context = g_markup_parse_context_new (&metacity_theme_parser, - 0, &info, NULL); - - error = NULL; - if (!g_markup_parse_context_parse (context, - text, - length, - &error)) - goto out; - - error = NULL; - if (!g_markup_parse_context_end_parse (context, &error)) - goto out; - - goto out; - - out: - - if (context) - g_markup_parse_context_free (context); - g_free (text); - - if (info.theme) - info.theme->format_version = info.format_version; - - if (error) - { - g_propagate_error (err, error); - } - else if (info.theme) - { - /* Steal theme from info */ - retval = info.theme; - info.theme = NULL; - } - else - { - g_set_error (err, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Theme file %s did not contain a root <metacity_theme> element"), - info.theme_file); - } - - parse_info_free (&info); - - return retval; -} |