moving from https://github.com/perberos/mate-desktop-environment

author: Perberos <[email protected]> 2011-12-01 23:52:01 -0300
committer: Perberos <[email protected]> 2011-12-01 23:52:01 -0300
commit: 28a029a4990d2a84f9d6a0b890eba812ea503998 (patch)
tree: 7a69477d0dd6bf351801fa9698d95224e4fe47b6 /src/ui/theme-parser.c
download: marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.bz2
marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.xz
1 files changed, 4212 insertions, 0 deletions
diff --git a/src/ui/theme-parser.c b/src/ui/theme-parser.c
new file mode 100644
index 00000000..12f01061
--- /dev/null
+++ b/src/ui/theme-parser.c
@@ -0,0 +1,4212 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Marco 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>
+
+/* This is a hack for Ubuntu's metacity themes
+ * Its safe for unable or not.
+ * I am using this define to know what code was added */
+#define USE_UBUNTU_CODE 1
+
+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,
+#ifdef USE_UBUNTU_CODE
+ STATE_SHADOW,
+ STATE_PADDING,
+#endif
+ /* 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);
+
+#ifdef USE_UBUNTU_CODE
+static void parse_shadow_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ const gchar **attribute_names,
+ const gchar **attribute_values,
+ ParseInfo *info,
+ GError **error);
+
+static void parse_padding_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ const gchar **attribute_names,
+ const gchar **attribute_values,
+ ParseInfo *info,
+ GError **error);
+#endif
+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 marco_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;
+
+ /* We don't know how a a constant is going to be used, so we have guess its
+ * type from its contents:
+ *
+ * - Starts like a number and contains a '.': float constant
+ * - Starts like a number and doesn't contain a '.': int constant
+ * - Starts with anything else: a color constant.
+ * (colors always start with # or a letter)
+ */
+ if (value[0] == '.' || value[0] == '+' || value[0] == '-' || (value[0] >= '0' && value[0] <= '9'))
+ {
+ if (strchr (value, '.'))
+ {
+ if (!parse_double (value, &dval, context, error))
+ return;
+
+ 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))
+ return;
+
+ if (!meta_theme_define_int_constant (info->theme,
+ name,
+ ival,
+ error))
+ {
+ add_context_to_error (error, context);
+ return;
+ }
+ }
+ }
+ else
+ {
+ 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);
+
+ if (strcmp(x1, x2)==0)
+ op->data.line.x2 = NULL;
+ else
+ op->data.line.x2 = meta_draw_spec_new (info->theme, x2, NULL);
+
+ if (strcmp(y1, y2)==0)
+ op->data.line.y2 = NULL;
+ else
+ 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);
+ }
+#ifdef USE_UBUNTU_CODE
+ else if (ELEMENT_IS ("shadow"))
+ {
+ push_state (info, STATE_SHADOW);
+ }
+ else if (ELEMENT_IS ("padding"))
+ {
+ push_state (info, STATE_PADDING);
+ }
+#endif
+ 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");
+ }
+}
+
+#ifdef USE_UBUNTU_CODE
+static void
+parse_shadow_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_SHADOW);
+
+ set_error (error, context,
+ G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE,
+ _("Element <%s> is not allowed below <%s>"),
+ element_name, "shadow");
+}
+
+static void
+parse_padding_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_PADDING);
+
+ set_error (error, context,
+ G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE,
+ _("Element <%s> is not allowed below <%s>"),
+ element_name, "padding");
+}
+#endif
+
+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;
+#ifdef USE_UBUNTU_CODE
+ case STATE_SHADOW:
+ parse_shadow_element (context, element_name,
+ attribute_names, attribute_values,
+ info, error);
+ break;
+ case STATE_PADDING:
+ parse_padding_element (context, element_name,
+ attribute_names, attribute_values,
+ info, error);
+ break;
+#endif
+ 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;
+#ifdef USE_UBUNTU_CODE
+ case STATE_SHADOW:
+ g_assert (info->style);
+ pop_state (info);
+ break;
+ case STATE_PADDING:
+ g_assert (info->style);
+ pop_state (info);
+ break;
+#endif
+ 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,
+ _("<%s> specified twice for this theme"),
+ "name");
+ 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,
+ _("<%s> specified twice for this theme"),
+ "author");
+ 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,
+ _("<%s> specified twice for this theme"),
+ "copyright");
+ 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,
+ _("<%s> specified twice for this theme"),
+ "date");
+ 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,
+ _("<%s> specified twice for this theme"),
+ "description");
+ 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;
+#ifdef USE_UBUNTU_CODE
+ case STATE_SHADOW:
+ NO_TEXT ("shadow");
+ break;
+ case STATE_PADDING:
+ NO_TEXT ("padding");
+ break;
+#endif
+ 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 MARCO_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 (MARCO_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 (MARCO_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 MARCO_DATADIR */
+ if (text == NULL)
+ {
+ theme_dir = g_build_filename (MARCO_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 (&marco_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;
+}
author	Perberos <[email protected]>	2011-12-01 23:52:01 -0300
committer	Perberos <[email protected]>	2011-12-01 23:52:01 -0300
commit	28a029a4990d2a84f9d6a0b890eba812ea503998 (patch)
tree	7a69477d0dd6bf351801fa9698d95224e4fe47b6 /src/ui/theme-parser.c
download	marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.bz2 marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.xz