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Sourcecode: ardour version File versions

clearlooks_rc_style.c

/* Clearlooks theme engine
 * Copyright (C) 2005 Richard Stellingwerff.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Written by Owen Taylor <otaylor@redhat.com>
 * and by Alexander Larsson <alexl@redhat.com>
 * Modified by Richard Stellingwerff <remenic@gmail.com>
 * Modified by Kulyk Nazar <schamane@myeburg.net>
 */

#include "clearlooks_style.h"
#include "clearlooks_rc_style.h"

#include "animation.h"

static void      clearlooks_rc_style_init         (ClearlooksRcStyle      *style);
#ifdef HAVE_ANIMATION
static void      clearlooks_rc_style_finalize     (GObject                *object);
#endif
static void      clearlooks_rc_style_class_init   (ClearlooksRcStyleClass *klass);
static GtkStyle *clearlooks_rc_style_create_style (GtkRcStyle             *rc_style);
static guint     clearlooks_rc_style_parse        (GtkRcStyle             *rc_style,
                                       GtkSettings            *settings,
                                       GScanner               *scanner);
static void      clearlooks_rc_style_merge        (GtkRcStyle             *dest,
                                       GtkRcStyle             *src);


static GtkRcStyleClass *clearlooks_parent_rc_class;

GType clearlooks_type_rc_style = 0;

enum
{
      TOKEN_SCROLLBARCOLOR = G_TOKEN_LAST + 1,
      TOKEN_COLORIZESCROLLBAR,
      TOKEN_CONTRAST,
      TOKEN_SUNKENMENU,
      TOKEN_PROGRESSBARSTYLE,
      TOKEN_MENUBARSTYLE,
      TOKEN_TOOLBARSTYLE,
      TOKEN_MENUITEMSTYLE,
      TOKEN_LISTVIEWITEMSTYLE,
      TOKEN_ANIMATION,
      TOKEN_STYLE,
      TOKEN_RADIUS,

      TOKEN_CLASSIC,
      TOKEN_GLOSSY,
      TOKEN_INVERTED,
      TOKEN_GUMMY,

      TOKEN_TRUE,
      TOKEN_FALSE
};

static struct
{
      const gchar        *name;
      guint               token;
}
clearlooks_gtk2_rc_symbols[] =
{
      { "scrollbar_color",    TOKEN_SCROLLBARCOLOR  },
      { "colorize_scrollbar", TOKEN_COLORIZESCROLLBAR },
      { "contrast",           TOKEN_CONTRAST  },
      { "sunkenmenubar",      TOKEN_SUNKENMENU },
      { "progressbarstyle",   TOKEN_PROGRESSBARSTYLE },
      { "menubarstyle",       TOKEN_MENUBARSTYLE }, 
      { "toolbarstyle",       TOKEN_TOOLBARSTYLE },
      { "menuitemstyle",      TOKEN_MENUITEMSTYLE },
      { "listviewitemstyle",  TOKEN_LISTVIEWITEMSTYLE },
      { "animation",          TOKEN_ANIMATION },
      { "style",              TOKEN_STYLE },
      { "radius",             TOKEN_RADIUS },

      { "CLASSIC",            TOKEN_CLASSIC },
      { "GLOSSY",             TOKEN_GLOSSY },
      { "INVERTED",           TOKEN_INVERTED },
      { "GUMMY",              TOKEN_GUMMY },

      { "TRUE",               TOKEN_TRUE },
      { "FALSE",              TOKEN_FALSE }
};


void
clearlooks_rc_style_register_type (GTypeModule *module)
{
      static const GTypeInfo object_info =
      {
            sizeof (ClearlooksRcStyleClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) clearlooks_rc_style_class_init,
            NULL,           /* class_finalize */
            NULL,           /* class_data */
            sizeof (ClearlooksRcStyle),
            0,              /* n_preallocs */
            (GInstanceInitFunc) clearlooks_rc_style_init,
            NULL
      };

      clearlooks_type_rc_style = g_type_module_register_type (module,
                                         GTK_TYPE_RC_STYLE,
                                         "ClearlooksRcStyle",
                                         &object_info, 0);
}

static void
clearlooks_rc_style_init (ClearlooksRcStyle *clearlooks_rc)
{
      clearlooks_rc->style = CL_STYLE_CLASSIC;

      clearlooks_rc->flags = 0;

      clearlooks_rc->contrast = 1.0;
      clearlooks_rc->menubarstyle = 0;
      clearlooks_rc->toolbarstyle = 0;
      clearlooks_rc->animation = FALSE;
      clearlooks_rc->colorize_scrollbar = FALSE;
      clearlooks_rc->radius = 3.0;
}

#ifdef HAVE_ANIMATION
static void
clearlooks_rc_style_finalize (GObject *object)
{
      /* cleanup all the animation stuff */
      clearlooks_animation_cleanup ();

      if (G_OBJECT_CLASS (clearlooks_parent_rc_class)->finalize != NULL)
            G_OBJECT_CLASS (clearlooks_parent_rc_class)->finalize(object);
}
#endif


static void
clearlooks_rc_style_class_init (ClearlooksRcStyleClass *klass)
{
      GtkRcStyleClass *rc_style_class = GTK_RC_STYLE_CLASS (klass);
#ifdef HAVE_ANIMATION
      GObjectClass    *g_object_class = G_OBJECT_CLASS (klass);
#endif

      clearlooks_parent_rc_class = g_type_class_peek_parent (klass);

      rc_style_class->parse = clearlooks_rc_style_parse;
      rc_style_class->create_style = clearlooks_rc_style_create_style;
      rc_style_class->merge = clearlooks_rc_style_merge;

#ifdef HAVE_ANIMATION
      g_object_class->finalize = clearlooks_rc_style_finalize;
#endif
}

static guint
clearlooks_gtk2_rc_parse_boolean (GtkSettings *settings,
                     GScanner     *scanner,
                     gboolean *retval)
{
      guint token;
      token = g_scanner_get_next_token(scanner);

      token = g_scanner_get_next_token(scanner);
      if (token != G_TOKEN_EQUAL_SIGN)
         return G_TOKEN_EQUAL_SIGN;

      token = g_scanner_get_next_token(scanner);
      if (token == TOKEN_TRUE)
         *retval = TRUE;
      else if (token == TOKEN_FALSE)
         *retval = FALSE;
      else
         return TOKEN_TRUE;

      return G_TOKEN_NONE;
}

static guint
clearlooks_gtk2_rc_parse_color(GtkSettings  *settings,
              GScanner     *scanner,
              GdkColor     *color)
{
      guint token;

      /* Skip 'blah_color' */
      token = g_scanner_get_next_token(scanner);

      token = g_scanner_get_next_token(scanner);
      if (token != G_TOKEN_EQUAL_SIGN)
         return G_TOKEN_EQUAL_SIGN;

      return gtk_rc_parse_color (scanner, color);
}

static guint
clearlooks_gtk2_rc_parse_double (GtkSettings  *settings,
                                 GScanner     *scanner,
                                 gdouble      *val)
{
      guint token;

      /* Skip 'blah' */
      token = g_scanner_get_next_token(scanner);

      token = g_scanner_get_next_token(scanner);
      if (token != G_TOKEN_EQUAL_SIGN)
         return G_TOKEN_EQUAL_SIGN;

      token = g_scanner_get_next_token(scanner);
      if (token != G_TOKEN_FLOAT)
         return G_TOKEN_FLOAT;

      *val = scanner->value.v_float;

      return G_TOKEN_NONE;
}

static guint
clearlooks_gtk2_rc_parse_int (GtkSettings  *settings,
                     GScanner     *scanner,
                     guint8       *progressbarstyle)
{
      guint token;

      /* Skip 'sunkenmenubar' */
      token = g_scanner_get_next_token(scanner);

      token = g_scanner_get_next_token(scanner);
      if (token != G_TOKEN_EQUAL_SIGN)
         return G_TOKEN_EQUAL_SIGN;

      token = g_scanner_get_next_token(scanner);
      if (token != G_TOKEN_INT)
         return G_TOKEN_INT;

      *progressbarstyle = scanner->value.v_int;

      return G_TOKEN_NONE;
}

static guint
clearlooks_gtk2_rc_parse_style (GtkSettings      *settings,
                                GScanner         *scanner,
                                ClearlooksStyles *style)
{
      guint token;

      g_assert (CL_NUM_STYLES == CL_STYLE_GUMMY + 1); /* so that people don't forget ;-) */

      /* Skip 'style' */
      token = g_scanner_get_next_token (scanner);

      token = g_scanner_get_next_token (scanner);
      if (token != G_TOKEN_EQUAL_SIGN)
         return G_TOKEN_EQUAL_SIGN;

      token = g_scanner_get_next_token (scanner);
  
      switch (token)
      {
            case TOKEN_CLASSIC:
               *style = CL_STYLE_CLASSIC;
               break;
            case TOKEN_GLOSSY:
               *style = CL_STYLE_GLOSSY;
               break;
            case TOKEN_INVERTED:
               *style = CL_STYLE_INVERTED;
               break;
            case TOKEN_GUMMY:
               *style = CL_STYLE_GUMMY;
               break;
            default:
               return TOKEN_CLASSIC;
      }

      return G_TOKEN_NONE;
}

static guint
clearlooks_gtk2_rc_parse_dummy (GtkSettings      *settings,
                                GScanner         *scanner,
                                gchar            *name)
{
      guint token;

      /* Skip option */
      token = g_scanner_get_next_token (scanner);

      /* print a warning. Isn't there a way to get the string from the scanner? */
      g_scanner_warn (scanner, "Clearlooks configuration option \"%s\" is not supported and will be ignored.", name);

      /* equal sign */
      token = g_scanner_get_next_token (scanner);
      if (token != G_TOKEN_EQUAL_SIGN)
         return G_TOKEN_EQUAL_SIGN;

      /* eat whatever comes next */
      token = g_scanner_get_next_token (scanner);

      return G_TOKEN_NONE;
}

static guint
clearlooks_rc_style_parse (GtkRcStyle *rc_style,
                     GtkSettings  *settings,
                     GScanner   *scanner)
                 
{
      static GQuark scope_id = 0;
      ClearlooksRcStyle *clearlooks_style = CLEARLOOKS_RC_STYLE (rc_style);

      guint old_scope;
      guint token;
      guint i;

      /* Set up a new scope in this scanner. */

      if (!scope_id)
         scope_id = g_quark_from_string("clearlooks_theme_engine");

      /* If we bail out due to errors, we *don't* reset the scope, so the
      * error messaging code can make sense of our tokens.
      */
      old_scope = g_scanner_set_scope(scanner, scope_id);

      /* Now check if we already added our symbols to this scope
      * (in some previous call to clearlooks_rc_style_parse for the
      * same scanner.
      */

      if (!g_scanner_lookup_symbol(scanner, clearlooks_gtk2_rc_symbols[0].name))
      {
            for (i = 0; i < G_N_ELEMENTS (clearlooks_gtk2_rc_symbols); i++)
                  g_scanner_scope_add_symbol(scanner, scope_id,
                              clearlooks_gtk2_rc_symbols[i].name,
                              GINT_TO_POINTER(clearlooks_gtk2_rc_symbols[i].token));
      }

      /* We're ready to go, now parse the top level */

      token = g_scanner_peek_next_token(scanner);
      while (token != G_TOKEN_RIGHT_CURLY)
      {
            switch (token)
            {
                  case TOKEN_SCROLLBARCOLOR:
                        token = clearlooks_gtk2_rc_parse_color (settings, scanner, &clearlooks_style->scrollbar_color);
                        clearlooks_style->flags |= CL_FLAG_SCROLLBAR_COLOR;
                        break;
                  case TOKEN_COLORIZESCROLLBAR:
                        token = clearlooks_gtk2_rc_parse_boolean (settings, scanner, &clearlooks_style->colorize_scrollbar);
                        clearlooks_style->flags |= CL_FLAG_COLORIZE_SCROLLBAR;
                        break;
                  case TOKEN_CONTRAST:
                        token = clearlooks_gtk2_rc_parse_double (settings, scanner, &clearlooks_style->contrast);
                        clearlooks_style->flags |= CL_FLAG_CONTRAST;
                        break;
                  case TOKEN_MENUBARSTYLE:
                        token = clearlooks_gtk2_rc_parse_int (settings, scanner, &clearlooks_style->menubarstyle);
                        clearlooks_style->flags |= CL_FLAG_MENUBARSTYLE;
                        break;
                  case TOKEN_TOOLBARSTYLE:
                        token = clearlooks_gtk2_rc_parse_int (settings, scanner, &clearlooks_style->toolbarstyle);
                        clearlooks_style->flags |= CL_FLAG_TOOLBARSTYLE;
                        break;
                  case TOKEN_ANIMATION:
                        token = clearlooks_gtk2_rc_parse_boolean (settings, scanner, &clearlooks_style->animation);
                        clearlooks_style->flags |= CL_FLAG_ANIMATION;
                        break;
                  case TOKEN_STYLE:
                        token = clearlooks_gtk2_rc_parse_style (settings, scanner, &clearlooks_style->style);
                        clearlooks_style->flags |= CL_FLAG_STYLE;
                        break;
                  case TOKEN_RADIUS:
                        token = clearlooks_gtk2_rc_parse_double (settings, scanner, &clearlooks_style->radius);
                        clearlooks_style->flags |= CL_FLAG_RADIUS;
                        break;

                  /* stuff to ignore */
                  case TOKEN_SUNKENMENU:
                        token = clearlooks_gtk2_rc_parse_dummy (settings, scanner, "sunkenmenu");
                        break;
                  case TOKEN_PROGRESSBARSTYLE:
                        token = clearlooks_gtk2_rc_parse_dummy (settings, scanner, "progressbarstyle");
                        break;
                  case TOKEN_MENUITEMSTYLE:
                        token = clearlooks_gtk2_rc_parse_dummy (settings, scanner, "menuitemstyle");
                        break;
                  case TOKEN_LISTVIEWITEMSTYLE:
                        token = clearlooks_gtk2_rc_parse_dummy (settings, scanner, "listviewitemstyle");
                        break;

                  default:
                        g_scanner_get_next_token(scanner);
                        token = G_TOKEN_RIGHT_CURLY;
                        break;
            }

            if (token != G_TOKEN_NONE)
                  return token;

            token = g_scanner_peek_next_token(scanner);
      }

      g_scanner_get_next_token(scanner);

      g_scanner_set_scope(scanner, old_scope);

      return G_TOKEN_NONE;
}

static void
clearlooks_rc_style_merge (GtkRcStyle *dest,
                     GtkRcStyle *src)
{
      ClearlooksRcStyle *dest_w, *src_w;
      ClearlooksRcFlags flags;

      clearlooks_parent_rc_class->merge (dest, src);

      if (!CLEARLOOKS_IS_RC_STYLE (src))
            return;

      src_w = CLEARLOOKS_RC_STYLE (src);
      dest_w = CLEARLOOKS_RC_STYLE (dest);

      flags = (~dest_w->flags) & src_w->flags;

      if (flags & CL_FLAG_STYLE)
            dest_w->style = src_w->style;
      if (flags & CL_FLAG_CONTRAST)
            dest_w->contrast = src_w->contrast;
      if (flags & CL_FLAG_MENUBARSTYLE)
            dest_w->menubarstyle = src_w->menubarstyle;
      if (flags & CL_FLAG_TOOLBARSTYLE)
            dest_w->toolbarstyle = src_w->toolbarstyle;
      if (flags & CL_FLAG_SCROLLBAR_COLOR)
            dest_w->scrollbar_color = src_w->scrollbar_color;
      if (flags & CL_FLAG_COLORIZE_SCROLLBAR)
            dest_w->colorize_scrollbar = src_w->colorize_scrollbar;
      if (flags & CL_FLAG_ANIMATION)
            dest_w->animation = src_w->animation;
      if (flags & CL_FLAG_RADIUS)
            dest_w->radius = src_w->radius;

      dest_w->flags |= src_w->flags;
}


/* Create an empty style suitable to this RC style
 */
static GtkStyle *
clearlooks_rc_style_create_style (GtkRcStyle *rc_style)
{
      return GTK_STYLE (g_object_new (CLEARLOOKS_TYPE_STYLE, NULL));
}

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