static void
workrave_timebar_init_ui(WorkraveTimebar *self)
{
WorkraveTimebarPrivate *priv = WORKRAVE_TIMEBAR_GET_PRIVATE(self);
priv->style_context = gtk_style_context_new();
GtkWidgetPath *path = gtk_widget_path_new();
gtk_widget_path_append_type(path, GTK_TYPE_BUTTON);
gtk_style_context_set_path(priv->style_context, path);
gtk_style_context_add_class(priv->style_context, GTK_STYLE_CLASS_TROUGH);
GdkScreen *screen = gdk_screen_get_default();
priv->pango_context = gdk_pango_context_get_for_screen(screen);
const PangoFontDescription *font_desc = gtk_style_context_get_font(priv->style_context, GTK_STATE_FLAG_ACTIVE);
pango_context_set_language(priv->pango_context, gtk_get_default_language());
pango_context_set_font_description(priv->pango_context, font_desc);
priv->pango_layout = pango_layout_new(priv->pango_context);
pango_layout_set_text(priv->pango_layout, "-9:59:59", -1);
pango_layout_get_pixel_size(priv->pango_layout, &priv->width, &priv->height);
priv->width = MAX(priv->width + 2 * MARGINX, MIN_HORIZONTAL_BAR_WIDTH);
priv->height = MAX(priv->height + 2 * MARGINY, MIN_HORIZONTAL_BAR_HEIGHT);
gtk_widget_path_free(path);
}
static void get_color (gint i, gfloat * r, gfloat * g, gfloat * b)
{
static GdkRGBA c;
static bool_t valid = FALSE;
gfloat h, s, v, n;
if (! valid)
{
/* we want a color that matches the current theme
* selected color of a GtkEntry should be reasonable */
GtkStyleContext * style = gtk_style_context_new ();
GtkWidgetPath * path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ENTRY);
gtk_style_context_set_path (style, path);
gtk_widget_path_free (path);
gtk_style_context_get_background_color (style, GTK_STATE_FLAG_SELECTED, & c);
g_object_unref (style);
valid = TRUE;
}
rgb_to_hsv (c.red, c.green, c.blue, & h, & s, & v);
if (s < 0.1) /* monochrome theme? use blue instead */
{
h = 5;
s = 0.75;
}
n = i / (gfloat) (bands - 1);
s = 1 - 0.9 * n;
v = 0.75 + 0.25 * n;
hsv_to_rgb (h, s, v, r, g, b);
}
/* FIXME: this doesn't work */
static gboolean
draw_cb_activity (GtkWidget *widget, cairo_t *cr)
{
GtkStyleContext *context;
GtkWidgetPath *path;
context = gtk_widget_get_style_context (widget);
gtk_style_context_notify_state_change (context,
gtk_widget_get_window (widget),
NULL,
GTK_STATE_FLAG_ACTIVE,
TRUE);
gtk_style_context_save (context);
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_SPINNER);
gtk_widget_path_iter_add_class (path, 0, "spinner");
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
gtk_style_context_set_state (context, GTK_STATE_FLAG_ACTIVE);
gtk_render_activity (context, cr, 12, 12, 12, 12);
gtk_style_context_restore (context);
return TRUE;
}
ScrollbarStyleContext()
: m_context(adoptGRef(gtk_style_context_new()))
{
GtkWidgetPath* path = gtk_widget_path_new();
gtk_widget_path_append_type(path, GTK_TYPE_SCROLLBAR);
gtk_widget_path_iter_add_class(path, 0, GTK_STYLE_CLASS_SCROLLBAR);
gtk_style_context_set_path(m_context.get(), path);
gtk_widget_path_free(path);
}
void getTooltipColors_GtkWidgetPath()
{
#if GTK_CHECK_VERSION(3,20,0)
if (0 != gtk_check_version(3, 20, 0))
{
// 'gtk_widget_path_iter_set_object_name' was introduced in 3.20.0
printf("With GtkWidgetPath: Requires 3.20.0\n");
return;
}
// Foreground color is taken from 'tooltip label' css node
GtkStyleContext* styleContextLabel = gtk_style_context_new();
{
GtkWidgetPath* widgetPath = gtk_widget_path_new();
gtk_widget_path_append_type(widgetPath, 0);
gtk_widget_path_iter_set_object_name(widgetPath, -1, "tooltip");
gtk_widget_path_iter_add_class(widgetPath, -1, GTK_STYLE_CLASS_BACKGROUND);
gtk_widget_path_append_type(widgetPath, GTK_TYPE_LABEL);
gtk_style_context_set_path(styleContextLabel, widgetPath);
gtk_widget_path_free(widgetPath);
}
// Background color is taken from 'tooltip.background' css node
GtkStyleContext* styleContextTooltip = gtk_style_context_new();
{
GtkWidgetPath* widgetPath = gtk_widget_path_new();
gtk_widget_path_append_type(widgetPath, 0);
gtk_widget_path_iter_set_object_name(widgetPath, -1, "tooltip");
gtk_widget_path_iter_add_class(widgetPath, -1, GTK_STYLE_CLASS_BACKGROUND);
gtk_style_context_set_path(styleContextTooltip, widgetPath);
gtk_widget_path_free(widgetPath);
}
// Print
printTooltipColors(styleContextLabel, styleContextTooltip, "GtkWidgetPath");
// Destroy temporary style contexts
g_object_unref(styleContextLabel);
g_object_unref(styleContextTooltip);
#endif // GTK_CHECK_VERSION(3,20,0)
}
void
meta_ui_theme_get_frame_borders (MetaUI *ui,
MetaFrameType type,
MetaFrameFlags flags,
MetaFrameBorders *borders)
{
int text_height;
GtkStyleContext *style = NULL;
PangoContext *context;
const PangoFontDescription *font_desc;
PangoFontDescription *free_font_desc = NULL;
if (meta_ui_have_a_theme ())
{
context = gtk_widget_get_pango_context (GTK_WIDGET (ui->frames));
font_desc = meta_prefs_get_titlebar_font ();
if (!font_desc)
{
GdkDisplay *display = gdk_x11_lookup_xdisplay (ui->xdisplay);
GdkScreen *screen = gdk_display_get_screen (display, XScreenNumberOfScreen (ui->xscreen));
GtkWidgetPath *widget_path;
style = gtk_style_context_new ();
gtk_style_context_set_screen (style, screen);
widget_path = gtk_widget_path_new ();
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
gtk_style_context_set_path (style, widget_path);
gtk_widget_path_free (widget_path);
gtk_style_context_get (style, GTK_STATE_FLAG_NORMAL, "font", &free_font_desc, NULL);
font_desc = (const PangoFontDescription *) free_font_desc;
}
text_height = meta_pango_font_desc_get_text_height (font_desc, context);
meta_theme_get_frame_borders (meta_theme_get_current (),
type, text_height, flags,
borders);
if (free_font_desc)
pango_font_description_free (free_font_desc);
}
else
{
meta_frame_borders_clear (borders);
}
if (style != NULL)
g_object_unref (style);
}
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 void
test_init_of_theme (void)
{
GtkStyleContext *context;
GtkCssProvider *provider;
GtkWidgetPath *path;
GdkRGBA before, after;
char *css;
/* Test that a style context actually uses the theme loaded for the
* screen it is using. If no screen is set, it's the default one.
*/
context = gtk_style_context_new ();
path = gtk_widget_path_new ();
/* Set a path that will have a color set.
* (This could actually fail if style classes change, so if this test
* fails, make sure to have this path represent something sane.)
*/
gtk_widget_path_append_type (path, GTK_TYPE_WINDOW);
gtk_widget_path_iter_add_class (path, -1, GTK_STYLE_CLASS_BACKGROUND);
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
/* Get the color. This should be initialized by the theme and not be
* the default. */
gtk_style_context_get_color (context, gtk_style_context_get_state (context), &before);
/* Add a style that sets a different color for this widget.
* This style has a higher priority than fallback, but a lower
* priority than the theme. */
css = g_strdup_printf (".background { color: %s; }",
before.alpha < 0.5 ? "black" : "transparent");
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css, -1, NULL);
gtk_style_context_add_provider (context,
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_FALLBACK + 1);
g_object_unref (provider);
/* Get the color again. */
gtk_style_context_get_color (context, gtk_style_context_get_state (context), &after);
/* Because the style we added does not influence the color,
* the before and after colors should be identical. */
g_assert (gdk_rgba_equal (&before, &after));
g_object_unref (context);
}
static GtkStyleContext *
get_style (GtkStyleContext *parent,
const char *selector)
{
GtkWidgetPath *path;
if (parent)
path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
else
path = gtk_widget_path_new ();
append_element (path, selector);
return create_context_for_path (path, parent);
}
/*
* frame_update_titlebar_font
*
* Returns: void
* Description: updates the titlebar font from the pango context, should
* be called whenever the gtk style or font has changed
*/
void
frame_update_titlebar_font (decor_frame_t *frame)
{
const PangoFontDescription *font_desc;
PangoFontDescription *free_font_desc;
PangoFontMetrics *metrics;
PangoLanguage *lang;
free_font_desc = NULL;
frame = gwd_decor_frame_ref (frame);
font_desc = get_titlebar_font (frame);
if (!font_desc)
{
GtkCssProvider *provider = gtk_css_provider_get_default ();
GtkStyleContext *context = gtk_style_context_new ();
GtkWidgetPath *path = gtk_widget_path_new ();
gtk_widget_path_prepend_type (path, GTK_TYPE_WIDGET);
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_FALLBACK);
gtk_style_context_get (context, GTK_STATE_FLAG_NORMAL, "font", &free_font_desc, NULL);
font_desc = (const PangoFontDescription *) free_font_desc;
}
pango_context_set_font_description (frame->pango_context, font_desc);
lang = pango_context_get_language (frame->pango_context);
metrics = pango_context_get_metrics (frame->pango_context, font_desc, lang);
frame->text_height = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +
pango_font_metrics_get_descent (metrics));
gwd_decor_frame_unref (frame);
pango_font_metrics_unref (metrics);
if (free_font_desc)
pango_font_description_free (free_font_desc);
}
GR_Font * GR_UnixCairoGraphics::getGUIFont(void)
{
if (!m_pPFontGUI)
{
// get the font resource
#if GTK_CHECK_VERSION(3,0,0)
GtkStyleContext *tempCtxt = gtk_style_context_new();
GtkWidgetPath *path = gtk_widget_path_new();
gtk_widget_path_append_type (path, GTK_TYPE_WINDOW);
gtk_style_context_set_path(tempCtxt, path);
gtk_widget_path_free(path);
const char *guiFontName = pango_font_description_get_family(gtk_style_context_get_font(tempCtxt, GTK_STATE_FLAG_NORMAL));
#else
GtkStyle *tempStyle = gtk_style_new();
const char *guiFontName = pango_font_description_get_family(tempStyle->font_desc);
#endif
if (!guiFontName)
guiFontName = "'Times New Roman'";
UT_UTF8String s = XAP_EncodingManager::get_instance()->getLanguageISOName();
const char * pCountry
= XAP_EncodingManager::get_instance()->getLanguageISOTerritory();
if(pCountry)
{
s += "-";
s += pCountry;
}
m_pPFontGUI = new GR_PangoFont(guiFontName, 11.0, this, s.utf8_str(), true);
#if GTK_CHECK_VERSION(3,0,0)
g_object_unref(G_OBJECT(tempCtxt));
#else
g_object_unref(G_OBJECT(tempStyle));
#endif
UT_ASSERT(m_pPFontGUI);
}
return m_pPFontGUI;
}
static void
test_window (void)
{
GsdOsdDrawContext ctx;
ClutterActor *stage, *actor;
ClutterContent *canvas;
GtkWidgetPath *widget_path;
/* create a resizable stage */
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "OSD Test");
clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
clutter_actor_set_background_color (stage, CLUTTER_COLOR_Red);
clutter_actor_set_size (stage, 300, 300);
clutter_actor_show (stage);
/* box canvas */
canvas = clutter_canvas_new ();
clutter_canvas_set_size (CLUTTER_CANVAS (canvas), 300, 300);
actor = clutter_actor_new ();
clutter_actor_add_constraint (actor, clutter_bind_constraint_new (stage, CLUTTER_BIND_SIZE, 0));
clutter_actor_set_content (actor, canvas);
g_object_unref (canvas);
clutter_actor_add_child (stage, actor);
memset (&ctx, 0, sizeof(ctx));
widget_path = gtk_widget_path_new ();
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
ctx.style = gtk_style_context_new ();
gtk_style_context_set_path (ctx.style, widget_path);
ctx.direction = clutter_get_default_text_direction ();
ctx.theme = gtk_icon_theme_get_default ();
g_signal_connect (canvas, "draw", G_CALLBACK (draw_box), &ctx);
clutter_content_invalidate (canvas);
g_signal_connect (stage, "destroy", G_CALLBACK (gtk_main_quit), NULL);
}
PanelStyle::PanelStyle()
: d(new PanelStylePrivate)
{
d->q = this;
d->m_styleContext.reset(gtk_style_context_new());
GtkWidgetPath* widgetPath = gtk_widget_path_new ();
gtk_widget_path_append_type(widgetPath, GTK_TYPE_WINDOW);
gtk_widget_path_iter_set_name(widgetPath, -1 , "UnityPanelWidget");
gtk_style_context_set_path(d->m_styleContext.data(), widgetPath);
gtk_style_context_add_class(d->m_styleContext.data(), "gnome-panel-menu-bar");
gtk_style_context_add_class(d->m_styleContext.data(), "unity-panel");
gtk_widget_path_free (widgetPath);
d->m_gConnector.connect(gtk_settings_get_default(), "notify::gtk-theme-name",
G_CALLBACK(PanelStylePrivate::onThemeChanged), d);
d->updateTheme();
}
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 GtkWidgetPath *
gtk_css_path_node_real_create_widget_path (GtkCssNode *node)
{
GtkCssPathNode *path_node = GTK_CSS_PATH_NODE (node);
GtkWidgetPath *path;
guint length;
if (path_node->path == NULL)
path = gtk_widget_path_new ();
else
path = gtk_widget_path_copy (path_node->path);
length = gtk_widget_path_length (path);
if (length > 0)
{
gtk_css_node_declaration_add_to_widget_path (gtk_css_node_get_declaration (node),
path,
length - 1);
}
return path;
}
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 GtkWidgetPath *
gtk_css_widget_node_create_widget_path (GtkCssNode *node)
{
GtkCssWidgetNode *widget_node = GTK_CSS_WIDGET_NODE (node);
GtkWidgetPath *path;
guint length;
if (widget_node->widget == NULL)
path = gtk_widget_path_new ();
else
path = _gtk_widget_create_path (widget_node->widget);
length = gtk_widget_path_length (path);
if (length > 0)
{
gtk_css_node_declaration_add_to_widget_path (gtk_css_node_get_declaration (node),
path,
length - 1);
}
return path;
}
static gboolean
draw_cb_slider (GtkWidget *widget, cairo_t *cr)
{
GtkStyleContext *context;
GtkWidgetPath *path;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_SCALE);
gtk_widget_path_iter_add_class (path, 0, "slider");
gtk_widget_path_iter_add_class (path, 0, "scale");
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
gtk_render_slider (context, cr, 12, 22, 30, 10, GTK_ORIENTATION_HORIZONTAL);
gtk_render_slider (context, cr, 54, 12, 10, 30, GTK_ORIENTATION_VERTICAL);
gtk_style_context_restore (context);
return TRUE;
}
/*
* 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);
}
static void
bacon_video_osd_actor_init (BaconVideoOsdActor *osd)
{
ClutterActor *self;
GtkWidgetPath *widget_path;
self = CLUTTER_ACTOR (osd);
osd->priv = BACON_VIDEO_OSD_ACTOR_GET_PRIVATE (osd);
osd->priv->canvas = CLUTTER_CANVAS (clutter_canvas_new ());
g_object_bind_property (self, "width",
osd->priv->canvas, "width",
G_BINDING_DEFAULT);
g_object_bind_property (self, "height",
osd->priv->canvas, "height",
G_BINDING_DEFAULT);
clutter_actor_set_content (self, CLUTTER_CONTENT (osd->priv->canvas));
g_object_unref (osd->priv->canvas);
osd->priv->icon_name = NULL;
osd->priv->message = NULL;
osd->priv->ctx = g_new0 (GsdOsdDrawContext, 1);
widget_path = gtk_widget_path_new ();
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
osd->priv->style = gtk_style_context_new ();
gtk_style_context_set_path (osd->priv->style, widget_path);
gtk_widget_path_free (widget_path);
osd->priv->ctx->direction = clutter_get_default_text_direction ();
osd->priv->ctx->theme = gtk_icon_theme_get_default ();
osd->priv->ctx->style = osd->priv->style;
g_signal_connect (osd->priv->canvas, "draw", G_CALLBACK (bacon_video_osd_actor_draw), osd);
osd->priv->fade_out_alpha = 1.0;
}
/**
* gtk_widget_path_copy:
* @path: a #GtkWidgetPath
*
* Returns a copy of @path
*
* Returns: (transfer full): a copy of @path
*
* Since: 3.0
**/
GtkWidgetPath *
gtk_widget_path_copy (const GtkWidgetPath *path)
{
GtkWidgetPath *new_path;
guint i;
gtk_internal_return_val_if_fail (path != NULL, NULL);
new_path = gtk_widget_path_new ();
g_array_set_size (new_path->elems, path->elems->len);
for (i = 0; i < path->elems->len; i++)
{
GtkPathElement *elem, *dest;
elem = &g_array_index (path->elems, GtkPathElement, i);
dest = &g_array_index (new_path->elems, GtkPathElement, i);
gtk_path_element_copy (dest, elem);
}
return new_path;
}
void
meta_ui_theme_get_frame_borders (MetaUI *ui,
MetaFrameType type,
MetaFrameFlags flags,
int *top_height,
int *bottom_height,
int *left_width,
int *right_width)
{
int text_height;
#if GTK_CHECK_VERSION (3, 0, 0)
GtkStyleContext *style = NULL;
PangoFontDescription *free_font_desc = NULL;
#endif
PangoContext *context;
const PangoFontDescription *font_desc;
if (meta_ui_have_a_theme ())
{
context = gtk_widget_get_pango_context (GTK_WIDGET (ui->frames));
font_desc = meta_prefs_get_titlebar_font ();
if (!font_desc)
{
#if GTK_CHECK_VERSION (3, 0, 0)
GdkDisplay *display = gdk_x11_lookup_xdisplay (ui->xdisplay);
GdkScreen *screen = gdk_display_get_screen (display, XScreenNumberOfScreen (ui->xscreen));
GtkWidgetPath *widget_path;
style = gtk_style_context_new ();
gtk_style_context_set_screen (style, screen);
widget_path = gtk_widget_path_new ();
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
gtk_style_context_set_path (style, widget_path);
gtk_widget_path_free (widget_path);
gtk_style_context_get (style, GTK_STATE_FLAG_NORMAL, "font", &free_font_desc, NULL);
font_desc = (const PangoFontDescription *) free_font_desc;
#else
GtkStyle *default_style;
default_style = gtk_widget_get_default_style ();
font_desc = default_style->font_desc;
#endif
}
text_height = meta_pango_font_desc_get_text_height (font_desc, context);
meta_theme_get_frame_borders (meta_theme_get_current (),
type, text_height, flags,
top_height, bottom_height,
left_width, right_width);
#if GTK_CHECK_VERSION (3, 0, 0)
if (free_font_desc)
pango_font_description_free (free_font_desc);
#endif
}
else
{
*top_height = *bottom_height = *left_width = *right_width = 0;
}
#if GTK_CHECK_VERSION (3, 0, 0)
if (style != NULL)
g_object_unref (style);
#endif
}
MetaTilePreview *
meta_tile_preview_new (int screen_number,
gboolean composited)
{
MetaTilePreview *preview;
GdkScreen *screen;
screen = gdk_display_get_screen (gdk_display_get_default (), screen_number);
preview = g_new (MetaTilePreview, 1);
preview->preview_window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_screen (GTK_WINDOW (preview->preview_window), screen);
gtk_widget_set_app_paintable (preview->preview_window, TRUE);
preview->preview_color = NULL;
preview->tile_rect.x = preview->tile_rect.y = 0;
preview->tile_rect.width = preview->tile_rect.height = 0;
preview->has_alpha = composited &&
(gdk_screen_get_rgba_visual (screen) != NULL);
if (preview->has_alpha)
{
GtkStyleContext *context;
GtkWidgetPath *path;
guchar selection_alpha = 0xFF;
gtk_widget_set_visual (preview->preview_window,
gdk_screen_get_rgba_visual (screen));
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
context = gtk_style_context_new ();
gtk_style_context_set_path (context, path);
gtk_style_context_add_class (context,
GTK_STYLE_CLASS_RUBBERBAND);
gtk_widget_path_free (path);
gtk_style_context_get (context, GTK_STATE_FLAG_SELECTED,
"background-color", &preview->preview_color,
NULL);
/* The background-color for the .rubberband class should probably
* contain the correct alpha value - unfortunately, at least for now
* it doesn't. Hopefully the following workaround can be removed
* when GtkIconView gets ported to GtkStyleContext.
*/
gtk_style_context_get_style (context,
"selection-box-alpha", &selection_alpha,
NULL);
preview->preview_color->alpha = (double)selection_alpha / 0xFF;
g_object_unref (context);
}
/* We make an assumption that XCreateWindow will be the first operation
* when calling gtk_widget_realize() (via gdk_window_new()), or that it
* is at least "close enough".
*/
preview->create_serial = XNextRequest (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
gtk_widget_realize (preview->preview_window);
g_signal_connect (preview->preview_window, "draw",
G_CALLBACK (meta_tile_preview_draw), preview);
return preview;
}
void testColors()
{
for (int testBits = 0; testBits < (1 << 4); testBits++)
{
GdkRGBA colorFore;
{
GtkWidgetPath* widgetPath = gtk_widget_path_new();
gint pathPos = gtk_widget_path_append_type(widgetPath, gtk_tooltip_get_type());
#if GTK_CHECK_VERSION(3,20,0)
if (testBits & 1)
gtk_widget_path_iter_set_object_name(widgetPath, pathPos, "tooltip");
#else
// Silence the warning
(void)pathPos;
#endif
if (testBits & 2)
gtk_widget_path_append_type(widgetPath, gtk_label_get_type());
GtkStyleContext* styleContext = gtk_style_context_new();
gtk_style_context_set_path(styleContext, widgetPath);
gtk_widget_path_free(widgetPath);
if (testBits & 4)
gtk_style_context_add_class(styleContext, GTK_STYLE_CLASS_BACKGROUND);
if (testBits & 8)
gtk_style_context_add_class(styleContext, GTK_STYLE_CLASS_TOOLTIP);
gtk_style_context_get_color(styleContext, GTK_STATE_FLAG_NORMAL, &colorFore);
g_object_unref(styleContext);
}
GdkRGBA colorBack;
{
GtkWidgetPath* widgetPath = gtk_widget_path_new();
gint pathPos = gtk_widget_path_append_type(widgetPath, gtk_tooltip_get_type());
#if GTK_CHECK_VERSION(3,20,0)
if (testBits & 1)
gtk_widget_path_iter_set_object_name(widgetPath, pathPos, "tooltip");
#else
// Silence the warning
(void)pathPos;
#endif
if (testBits & 2)
gtk_widget_path_append_type(widgetPath, gtk_label_get_type());
GtkStyleContext* styleContext = gtk_style_context_new();
gtk_style_context_set_path(styleContext, widgetPath);
gtk_widget_path_free(widgetPath);
if (testBits & 4)
gtk_style_context_add_class(styleContext, GTK_STYLE_CLASS_BACKGROUND);
if (testBits & 8)
gtk_style_context_add_class(styleContext, GTK_STYLE_CLASS_TOOLTIP);
gtk_style_context_get_background_color(styleContext, GTK_STATE_FLAG_NORMAL, &colorBack);
g_object_unref(styleContext);
}
printf
(
"%c%c%c%c fore=%s back=%s\n",
(testBits & 1) ? '1' : '-',
(testBits & 2) ? '2' : '-',
(testBits & 4) ? '3' : '-',
(testBits & 8) ? '4' : '-',
format_GdkRGBA(colorFore).c_str(),
format_GdkRGBA(colorBack).c_str()
);
}
}
static GtkWidgetPath *
gtk_css_node_real_create_widget_path (GtkCssNode *cssnode)
{
return gtk_widget_path_new ();
}
/**
* 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;
}
static VALUE
rg_initialize(VALUE self)
{
G_INITIALIZE(self, gtk_widget_path_new());
return Qnil;
}
/**
* 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;
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_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;
}