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;
}
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);
}
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 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);
}
/*
* 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;
}
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 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 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;
}
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 void
gtk_numerable_icon_update_properties_from_style (GtkNumerableIcon *self)
{
GtkStyleContext *style = self->priv->style;
GtkWidgetPath *path, *saved;
cairo_pattern_t *pattern = NULL;
GdkRGBA background, foreground;
PangoFontDescription *font = NULL;
/* save an unmodified copy of the original widget path, in order
* to restore it later */
path = gtk_widget_path_copy (gtk_style_context_get_path (style));
saved = gtk_widget_path_copy (path);
if (!gtk_widget_path_is_type (path, GTK_TYPE_NUMERABLE_ICON))
{
/* append our GType to the style context to fetch appropriate colors */
gtk_widget_path_append_type (path, GTK_TYPE_NUMERABLE_ICON);
gtk_style_context_set_path (style, path);
}
gtk_style_context_get_background_color (style, gtk_style_context_get_state (style),
&background);
gtk_style_context_get_color (style, gtk_style_context_get_state (style),
&foreground);
if (self->priv->background != NULL)
gdk_rgba_free (self->priv->background);
self->priv->background = gdk_rgba_copy (&background);
if (self->priv->foreground != NULL)
gdk_rgba_free (self->priv->foreground);
self->priv->foreground = gdk_rgba_copy (&foreground);
gtk_style_context_get (style, gtk_style_context_get_state (style),
GTK_STYLE_PROPERTY_BACKGROUND_IMAGE, &pattern,
NULL);
if (pattern != NULL)
{
if (self->priv->background_image != NULL)
cairo_pattern_destroy (self->priv->background_image);
self->priv->background_image = pattern;
}
gtk_style_context_get (style, gtk_style_context_get_state (style),
GTK_STYLE_PROPERTY_FONT, &font,
NULL);
if (font != NULL)
{
if (self->priv->font != NULL)
pango_font_description_free (self->priv->font);
self->priv->font = font;
}
gtk_numerable_icon_ensure_emblem (self);
/* restore original widget path */
gtk_style_context_set_path (style, saved);
gtk_widget_path_free (path);
gtk_widget_path_free (saved);
}
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
}
