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/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2016 Alberts Muktupāvels
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "meta-frame-enums.h"
#include "meta-style-info-private.h"
#include "meta-theme-impl-private.h"
static void
add_toplevel_class (GtkStyleContext *style,
const gchar *class_name)
{
if (gtk_style_context_get_parent (style))
{
GtkWidgetPath *path;
path = gtk_widget_path_copy (gtk_style_context_get_path (style));
gtk_widget_path_iter_add_class (path, 0, class_name);
gtk_style_context_set_path (style, path);
gtk_widget_path_unref (path);
}
else
gtk_style_context_add_class (style, class_name);
}
static void
remove_toplevel_class (GtkStyleContext *style,
const gchar *class_name)
{
if (gtk_style_context_get_parent (style))
{
GtkWidgetPath *path;
path = gtk_widget_path_copy (gtk_style_context_get_path (style));
gtk_widget_path_iter_remove_class (path, 0, class_name);
gtk_style_context_set_path (style, path);
gtk_widget_path_unref (path);
}
else
gtk_style_context_remove_class (style, class_name);
}
static GtkStyleContext *
create_style_context (GtkStyleContext *parent,
GtkCssProvider *provider,
const char *object_name,
const char *first_class,
...)
{
GtkWidgetPath *path;
GtkStyleContext *context;
const char *name;
va_list ap;
if (parent)
path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
else
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, G_TYPE_NONE);
gtk_widget_path_iter_set_object_name (path, -1, object_name);
va_start (ap, first_class);
for (name = first_class; name; name = va_arg (ap, const char *))
gtk_widget_path_iter_add_class (path, -1, name);
va_end (ap);
context = gtk_style_context_new ();
gtk_style_context_set_path (context, path);
gtk_style_context_set_parent (context, parent);
gtk_style_context_set_scale (context, get_window_scaling_factor ());
gtk_widget_path_unref (path);
gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_SETTINGS);
return context;
}
MetaStyleInfo *
meta_style_info_new (const gchar *theme_name,
const gchar *variant,
gboolean composited)
{
MetaStyleInfo *style_info;
GtkCssProvider *provider;
if (theme_name && *theme_name)
provider = gtk_css_provider_get_named (theme_name, variant);
else
provider = gtk_css_provider_get_default ();
style_info = g_new0 (MetaStyleInfo, 1);
style_info->refcount = 1;
style_info->styles[META_STYLE_ELEMENT_WINDOW] =
create_style_context (NULL,
provider,
"window",
GTK_STYLE_CLASS_BACKGROUND,
composited == TRUE ? "ssd" : "solid-csd",
NULL);
style_info->styles[META_STYLE_ELEMENT_DECORATION] =
create_style_context (style_info->styles[META_STYLE_ELEMENT_WINDOW],
provider,
"decoration",
NULL);
style_info->styles[META_STYLE_ELEMENT_TITLEBAR] =
create_style_context (style_info->styles[META_STYLE_ELEMENT_DECORATION],
provider,
"headerbar",
GTK_STYLE_CLASS_TITLEBAR,
GTK_STYLE_CLASS_HORIZONTAL,
"default-decoration",
NULL);
style_info->styles[META_STYLE_ELEMENT_TITLE] =
create_style_context (style_info->styles[META_STYLE_ELEMENT_TITLEBAR],
provider,
"label",
GTK_STYLE_CLASS_TITLE,
NULL);
style_info->styles[META_STYLE_ELEMENT_BUTTON] =
create_style_context (style_info->styles[META_STYLE_ELEMENT_TITLEBAR],
provider,
"button",
"titlebutton",
NULL);
style_info->styles[META_STYLE_ELEMENT_IMAGE] =
create_style_context (style_info->styles[META_STYLE_ELEMENT_BUTTON],
provider,
"image",
NULL);
return style_info;
}
MetaStyleInfo *
meta_style_info_ref (MetaStyleInfo *style_info)
{
g_return_val_if_fail (style_info != NULL, NULL);
g_return_val_if_fail (style_info->refcount > 0, NULL);
g_atomic_int_inc ((volatile int *)&style_info->refcount);
return style_info;
}
void
meta_style_info_unref (MetaStyleInfo *style_info)
{
g_return_if_fail (style_info != NULL);
g_return_if_fail (style_info->refcount > 0);
if (g_atomic_int_dec_and_test ((volatile int *)&style_info->refcount))
{
int i;
for (i = 0; i < META_STYLE_ELEMENT_LAST; i++)
g_object_unref (style_info->styles[i]);
g_free (style_info);
}
}
void
meta_style_info_set_flags (MetaStyleInfo *style_info,
MetaFrameFlags flags)
{
GtkStyleContext *style;
gboolean backdrop;
int i;
backdrop = !(flags & META_FRAME_HAS_FOCUS);
if (flags & META_FRAME_IS_FLASHING)
backdrop = !backdrop;
for (i = 0; i < META_STYLE_ELEMENT_LAST; i++)
{
GtkStateFlags state;
style = style_info->styles[i];
state = gtk_style_context_get_state (style);
if (backdrop)
gtk_style_context_set_state (style, state | GTK_STATE_FLAG_BACKDROP);
else
gtk_style_context_set_state (style, state & ~GTK_STATE_FLAG_BACKDROP);
if (flags & META_FRAME_TILED_LEFT || flags & META_FRAME_TILED_RIGHT)
add_toplevel_class (style, "tiled");
else
remove_toplevel_class (style, "tiled");
if (flags & META_FRAME_MAXIMIZED)
add_toplevel_class (style, "maximized");
else
remove_toplevel_class (style, "maximized");
if (flags & META_FRAME_FULLSCREEN)
add_toplevel_class (style, "fullscreen");
else
remove_toplevel_class (style, "fullscreen");
}
}
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