static void
gtk_css_path_node_finalize (GObject *object)
{
GtkCssPathNode *node = GTK_CSS_PATH_NODE (object);
if (node->path)
gtk_widget_path_unref (node->path);
G_OBJECT_CLASS (gtk_css_path_node_parent_class)->finalize (object);
}
static GtkStyleContext *
create_context_for_path (GtkWidgetPath *path,
GtkStyleContext *parent)
{
GtkStyleContext *context;
context = gtk_style_context_new ();
gtk_style_context_set_path (context, path);
gtk_style_context_set_parent (context, parent);
/* Unfortunately, we have to explicitly set the state again here
* for it to take effect
*/
gtk_style_context_set_state (context, gtk_widget_path_iter_get_state (path, -1));
gtk_widget_path_unref (path);
return context;
}
void
gtk_css_path_node_set_widget_path (GtkCssPathNode *node,
GtkWidgetPath *path)
{
gtk_internal_return_if_fail (GTK_IS_CSS_PATH_NODE (node));
if (node->path == path)
return;
if (node->path)
gtk_widget_path_unref (node->path);
if (path)
gtk_widget_path_ref (path);
node->path = path;
gtk_css_node_invalidate (GTK_CSS_NODE (node), GTK_CSS_CHANGE_ANY);
}
static GtkStyleContext *
gd_tagged_entry_tag_get_context (GdTaggedEntryTag *tag,
GdTaggedEntry *entry)
{
GtkWidget *widget = GTK_WIDGET (entry);
GtkWidgetPath *path;
gint pos;
GtkStyleContext *retval;
retval = gtk_style_context_new ();
path = gtk_widget_path_copy (gtk_widget_get_path (widget));
pos = gtk_widget_path_append_type (path, GD_TYPE_TAGGED_ENTRY);
gtk_widget_path_iter_add_class (path, pos, tag->style);
gtk_style_context_set_path (retval, path);
gtk_widget_path_unref (path);
return retval;
}
static GtkStyleContext*
CreateCSSNode(const char* aName, GtkStyleContext *aParentStyle)
{
static auto sGtkWidgetPathIterSetObjectName =
reinterpret_cast<void (*)(GtkWidgetPath *, gint, const char *)>
(dlsym(RTLD_DEFAULT, "gtk_widget_path_iter_set_object_name"));
GtkWidgetPath* path =
gtk_widget_path_copy(gtk_style_context_get_path(aParentStyle));
gtk_widget_path_append_type(path, G_TYPE_NONE);
(*sGtkWidgetPathIterSetObjectName)(path, -1, aName);
GtkStyleContext *context = gtk_style_context_new();
gtk_style_context_set_path(context, path);
gtk_style_context_set_parent(context, aParentStyle);
gtk_widget_path_unref(path);
return context;
}
static GtkStyleContext *
get_style (GtkStyleContext *parent,
const char *selector)
{
GtkWidgetPath *path;
GtkStyleContext *context;
if (parent)
path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
else
path = gtk_widget_path_new ();
append_element (path, selector);
context = gtk_style_context_new ();
gtk_style_context_set_path (context, path);
gtk_style_context_set_parent (context, parent);
gtk_widget_path_unref (path);
return context;
}
static void
matekbd_indicator_config_load_colors (MatekbdIndicatorConfig * ind_config)
{
ind_config->foreground_color =
g_settings_get_string (ind_config->settings,
MATEKBD_INDICATOR_CONFIG_KEY_FOREGROUND_COLOR);
if (ind_config->foreground_color == NULL ||
ind_config->foreground_color[0] == '\0') {
GtkWidgetPath *widget_path = gtk_widget_path_new ();
GtkStyleContext *context = gtk_style_context_new ();
GdkRGBA fg_color;
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
gtk_widget_path_iter_set_name (widget_path, -1 , "PanelWidget");
gtk_style_context_set_path (context, widget_path);
gtk_style_context_set_screen (context, gdk_screen_get_default ());
gtk_style_context_set_state (context, GTK_STATE_FLAG_NORMAL);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_DEFAULT);
gtk_style_context_add_class (context, "gnome-panel-menu-bar");
gtk_style_context_add_class (context, "mate-panel-menu-bar");
gtk_style_context_get_color (context,
GTK_STATE_FLAG_NORMAL, &fg_color);
ind_config->foreground_color =
g_strdup_printf ("%g %g %g",
fg_color.red,
fg_color.green,
fg_color.blue);
g_object_unref (G_OBJECT (context));
gtk_widget_path_unref (widget_path);
}
ind_config->background_color =
g_settings_get_string (ind_config->settings,
MATEKBD_INDICATOR_CONFIG_KEY_BACKGROUND_COLOR);
}
static GtkStyleContext *
get_style_with_siblings (GtkStyleContext *parent,
const char *selector,
const char **siblings,
gint position)
{
GtkWidgetPath *path, *siblings_path;
guint i;
if (parent)
path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
else
path = gtk_widget_path_new ();
siblings_path = gtk_widget_path_new ();
for (i = 0; siblings[i]; i++)
append_element (siblings_path, siblings[i]);
gtk_widget_path_append_with_siblings (path, siblings_path, position);
gtk_widget_path_unref (siblings_path);
return create_context_for_path (path, parent);
}
/*
* static applet config functions
*/
static void
matekbd_indicator_config_load_font (MatekbdIndicatorConfig * ind_config)
{
ind_config->font_family =
g_settings_get_string (ind_config->settings,
MATEKBD_INDICATOR_CONFIG_KEY_FONT_FAMILY);
if (ind_config->font_family == NULL ||
ind_config->font_family[0] == '\0') {
PangoFontDescription *fd = NULL;
GtkWidgetPath *widget_path = gtk_widget_path_new ();
GtkStyleContext *context = gtk_style_context_new ();
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
gtk_widget_path_iter_set_name (widget_path, -1 , "PanelWidget");
gtk_style_context_set_path (context, widget_path);
gtk_style_context_set_screen (context, gdk_screen_get_default ());
gtk_style_context_set_state (context, GTK_STATE_FLAG_NORMAL);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_DEFAULT);
gtk_style_context_add_class (context, "gnome-panel-menu-bar");
gtk_style_context_add_class (context, "mate-panel-menu-bar");
gtk_style_context_get (context, GTK_STATE_FLAG_NORMAL,
GTK_STYLE_PROPERTY_FONT, &fd, NULL);
if (fd != NULL) {
ind_config->font_family =
g_strdup (pango_font_description_to_string(fd));
}
g_object_unref (G_OBJECT (context));
gtk_widget_path_unref (widget_path);
}
xkl_debug (150, "font: [%s]\n", ind_config->font_family);
}
/**
* gd_create_symbolic_icon:
* @name:
*
* Returns: (transfer full):
*/
GIcon *
gd_create_symbolic_icon (const gchar *name,
gint base_size)
{
gchar *symbolic_name;
GIcon *icon, *retval = NULL;
cairo_surface_t *surface;
cairo_t *cr;
GtkStyleContext *style;
GtkWidgetPath *path;
GdkPixbuf *pixbuf;
GtkIconTheme *theme;
GtkIconInfo *info;
gint bg_size;
gint emblem_size;
gint total_size;
total_size = base_size / 2;
bg_size = MAX (total_size / 2, _BG_MIN_SIZE);
emblem_size = MAX (bg_size - 8, _EMBLEM_MIN_SIZE);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, total_size, total_size);
cr = cairo_create (surface);
style = gtk_style_context_new ();
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
gtk_style_context_set_path (style, path);
gtk_widget_path_unref (path);
gtk_style_context_add_class (style, "documents-icon-bg");
gtk_render_background (style, cr, (total_size - bg_size) / 2, (total_size - bg_size) / 2, bg_size, bg_size);
symbolic_name = g_strconcat (name, "-symbolic", NULL);
icon = g_themed_icon_new_with_default_fallbacks (symbolic_name);
g_free (symbolic_name);
theme = gtk_icon_theme_get_default();
info = gtk_icon_theme_lookup_by_gicon (theme, icon, emblem_size,
GTK_ICON_LOOKUP_FORCE_SIZE);
g_object_unref (icon);
if (info == NULL)
goto out;
pixbuf = gtk_icon_info_load_symbolic_for_context (info, style, NULL, NULL);
gtk_icon_info_free (info);
if (pixbuf == NULL)
goto out;
gtk_render_icon (style, cr, pixbuf, (total_size - emblem_size) / 2, (total_size - emblem_size) / 2);
g_object_unref (pixbuf);
retval = G_ICON (gdk_pixbuf_get_from_surface (surface, 0, 0, total_size, total_size));
out:
g_object_unref (style);
cairo_surface_destroy (surface);
cairo_destroy (cr);
return retval;
}
/**
* gd_create_collection_icon:
* @base_size:
* @pixbufs: (element-type GdkPixbuf):
*
* Returns: (transfer full):
*/
GIcon *
gd_create_collection_icon (gint base_size,
GList *pixbufs)
{
cairo_surface_t *surface;
GIcon *retval;
cairo_t *cr;
GtkStyleContext *context;
GtkWidgetPath *path;
gint padding, tile_size, scale_size;
gint pix_width, pix_height;
gint idx, cur_x, cur_y;
GList *l;
GdkPixbuf *pix;
/* TODO: do not hardcode 4, but scale to another layout if more
* pixbufs are provided.
*/
padding = MAX (floor (base_size / 10), 4);
tile_size = (base_size - (3 * padding)) / 2;
context = gtk_style_context_new ();
gtk_style_context_add_class (context, "documents-collection-icon");
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
gtk_style_context_set_path (context, path);
gtk_widget_path_unref (path);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, base_size, base_size);
cr = cairo_create (surface);
gtk_render_background (context, cr,
0, 0, base_size, base_size);
l = pixbufs;
idx = 0;
cur_x = padding;
cur_y = padding;
while (l != NULL && idx < 4)
{
pix = l->data;
pix_width = gdk_pixbuf_get_width (pix);
pix_height = gdk_pixbuf_get_height (pix);
scale_size = MIN (pix_width, pix_height);
cairo_save (cr);
cairo_translate (cr, cur_x, cur_y);
cairo_rectangle (cr, 0, 0,
tile_size, tile_size);
cairo_clip (cr);
cairo_scale (cr, (gdouble) tile_size / (gdouble) scale_size, (gdouble) tile_size / (gdouble) scale_size);
gdk_cairo_set_source_pixbuf (cr, pix, 0, 0);
cairo_paint (cr);
cairo_restore (cr);
if ((idx % 2) == 0)
{
cur_x += tile_size + padding;
}
else
{
cur_x = padding;
cur_y += tile_size + padding;
}
idx++;
l = l->next;
}
retval = G_ICON (gdk_pixbuf_get_from_surface (surface, 0, 0, base_size, base_size));
cairo_surface_destroy (surface);
cairo_destroy (cr);
g_object_unref (context);
return retval;
}
/**
* gd_embed_image_in_frame:
* @source_image:
* @frame_image_path:
* @slice_width:
* @border_width:
*
* Returns: (transfer full):
*/
GdkPixbuf *
gd_embed_image_in_frame (GdkPixbuf *source_image,
const gchar *frame_image_path,
GtkBorder *slice_width,
GtkBorder *border_width)
{
cairo_surface_t *surface;
cairo_t *cr;
int source_width, source_height;
int dest_width, dest_height;
gchar *css_str;
GtkCssProvider *provider;
GtkStyleContext *context;
GError *error = NULL;
GdkPixbuf *retval;
GtkWidgetPath *path;
source_width = gdk_pixbuf_get_width (source_image);
source_height = gdk_pixbuf_get_height (source_image);
dest_width = source_width + border_width->left + border_width->right;
dest_height = source_height + border_width->top + border_width->bottom;
css_str = g_strdup_printf (".embedded-image { border-image: url(\"%s\") %d %d %d %d / %d %d %d %d }",
frame_image_path,
slice_width->top, slice_width->right, slice_width->bottom, slice_width->left,
border_width->top, border_width->right, border_width->bottom, border_width->left);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css_str, -1, &error);
if (error != NULL)
{
g_warning ("Unable to create the thumbnail frame image: %s", error->message);
g_error_free (error);
g_free (css_str);
return g_object_ref (source_image);
}
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, dest_width, dest_height);
cr = cairo_create (surface);
context = gtk_style_context_new ();
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
gtk_style_context_set_path (context, path);
gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider), 600);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "embedded-image");
gtk_render_frame (context, cr,
0, 0,
dest_width, dest_height);
gtk_style_context_restore (context);
gtk_render_icon (context, cr,
source_image,
border_width->left, border_width->top);
retval = gdk_pixbuf_get_from_surface (surface,
0, 0, dest_width, dest_height);
cairo_surface_destroy (surface);
cairo_destroy (cr);
gtk_widget_path_unref (path);
g_object_unref (provider);
g_object_unref (context);
g_free (css_str);
return retval;
}
/**
* gd_create_collection_icon:
* @base_size:
* @pixbufs: (element-type GdkPixbuf):
*
* Returns: (transfer full):
*/
GIcon *
gd_create_collection_icon (gint base_size,
GList *pixbufs)
{
cairo_surface_t *surface;
GIcon *retval;
cairo_t *cr;
GtkStyleContext *context;
GtkWidgetPath *path;
GtkBorder tile_border;
gint padding, tile_size;
gint idx, cur_x, cur_y;
GList *l;
context = gtk_style_context_new ();
gtk_style_context_add_class (context, "documents-collection-icon");
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
gtk_style_context_set_path (context, path);
gtk_widget_path_unref (path);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, base_size, base_size);
cr = cairo_create (surface);
/* Render the thumbnail itself */
gtk_render_background (context, cr,
0, 0, base_size, base_size);
gtk_render_frame (context, cr,
0, 0, base_size, base_size);
/* Now, render the tiles inside */
gtk_style_context_remove_class (context, "documents-collection-icon");
gtk_style_context_add_class (context, "documents-collection-icon-tile");
/* TODO: do not hardcode 4, but scale to another layout if more
* pixbufs are provided.
*/
padding = MAX (floor (base_size / 10), 4);
gtk_style_context_get_border (context, GTK_STATE_FLAG_NORMAL, &tile_border);
tile_size = (base_size - (3 * padding)) / 2 -
MAX (tile_border.left + tile_border.right, tile_border.top + tile_border.bottom);
l = pixbufs;
idx = 0;
cur_x = padding;
cur_y = padding;
while (l != NULL && idx < 4)
{
GdkPixbuf *pix;
gboolean is_thumbnail;
gint pix_width, pix_height, scale_size;
pix = l->data;
is_thumbnail = (gdk_pixbuf_get_option (pix, "-documents-has-thumb") != NULL);
/* Only draw a box for thumbnails */
if (is_thumbnail)
{
gtk_render_background (context, cr,
cur_x, cur_y,
tile_size + tile_border.left + tile_border.right,
tile_size + tile_border.top + tile_border.bottom);
gtk_render_frame (context, cr,
cur_x, cur_y,
tile_size + tile_border.left + tile_border.right,
tile_size + tile_border.top + tile_border.bottom);
}
pix_width = gdk_pixbuf_get_width (pix);
pix_height = gdk_pixbuf_get_height (pix);
scale_size = MIN (pix_width, pix_height);
cairo_save (cr);
cairo_translate (cr, cur_x + tile_border.left, cur_y + tile_border.top);
cairo_rectangle (cr, 0, 0, tile_size, tile_size);
cairo_clip (cr);
cairo_scale (cr, (gdouble) tile_size / (gdouble) scale_size, (gdouble) tile_size / (gdouble) scale_size);
gdk_cairo_set_source_pixbuf (cr, pix, 0, 0);
cairo_paint (cr);
cairo_restore (cr);
if ((idx % 2) == 0)
{
cur_x += tile_size + padding + tile_border.left + tile_border.right;
}
else
{
cur_x = padding;
cur_y += tile_size + padding + tile_border.top + tile_border.bottom;
}
idx++;
l = l->next;
}
retval = G_ICON (gdk_pixbuf_get_from_surface (surface, 0, 0, base_size, base_size));
cairo_surface_destroy (surface);
cairo_destroy (cr);
g_object_unref (context);
return retval;
}
/**
* gd_embed_surface_in_frame:
* @source_image:
* @frame_image_url:
* @slice_width:
* @border_width:
*
* Returns: (transfer full):
*/
cairo_surface_t *
gd_embed_surface_in_frame (cairo_surface_t *source_image,
const gchar *frame_image_url,
GtkBorder *slice_width,
GtkBorder *border_width)
{
cairo_surface_t *surface;
cairo_t *cr;
int source_width, source_height;
gchar *css_str;
GtkCssProvider *provider;
GtkStyleContext *context;
GError *error = NULL;
GdkPixbuf *retval;
GtkWidgetPath *path;
gdouble scale_x, scale_y;
cairo_surface_get_device_scale (source_image, &scale_x, &scale_y);
source_width = cairo_image_surface_get_width (source_image) / (gint) floor (scale_x),
source_height = cairo_image_surface_get_height (source_image) / (gint) floor (scale_y);
css_str = g_strdup_printf (".embedded-image { border-image: url(\"%s\") %d %d %d %d / %dpx %dpx %dpx %dpx }",
frame_image_url,
slice_width->top, slice_width->right, slice_width->bottom, slice_width->left,
border_width->top, border_width->right, border_width->bottom, border_width->left);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css_str, -1, &error);
if (error != NULL)
{
g_warning ("Unable to create the thumbnail frame image: %s", error->message);
g_error_free (error);
g_free (css_str);
return g_object_ref (source_image);
}
surface = cairo_surface_create_similar (source_image,
CAIRO_CONTENT_COLOR_ALPHA,
source_width, source_height);
cr = cairo_create (surface);
context = gtk_style_context_new ();
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
gtk_style_context_set_path (context, path);
gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider), 600);
cairo_save (cr);
cairo_rectangle (cr,
border_width->left,
border_width->top,
source_width - border_width->left - border_width->right,
source_height - border_width->top - border_width->bottom);
cairo_clip (cr);
gtk_render_icon_surface (context, cr,
source_image,
0, 0);
cairo_restore (cr);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "embedded-image");
gtk_render_frame (context, cr,
0, 0,
source_width, source_height);
gtk_style_context_restore (context);
cairo_destroy (cr);
gtk_widget_path_unref (path);
g_object_unref (provider);
g_object_unref (context);
g_free (css_str);
return surface;
}
