static void
ensure_pixbuf_for_gicon (GtkIconHelper *self,
GtkStyleContext *context)
{
GtkIconTheme *icon_theme;
gint width, height;
GtkIconInfo *info;
GtkIconLookupFlags flags;
if (!check_invalidate_pixbuf (self, context))
return;
icon_theme = gtk_icon_theme_get_for_screen (gtk_style_context_get_screen (context));
flags = get_icon_lookup_flags (self, context);
ensure_icon_size (self, context, &width, &height);
if (self->priv->gicon != NULL)
{
info = gtk_icon_theme_lookup_by_gicon (icon_theme,
self->priv->gicon,
MIN (width, height), flags);
}
else
{
g_assert_not_reached ();
return;
}
self->priv->rendered_pixbuf = ensure_stated_icon_from_info (self, context, info);
if (info)
g_object_unref (info);
}
static PangoLayout *
get_pango_layout (GtkNumerableIcon *self)
{
PangoContext *context;
GdkScreen *screen;
PangoLayout *layout;
if (self->priv->style != NULL)
{
screen = gtk_style_context_get_screen (self->priv->style);
context = gdk_pango_context_get_for_screen (screen);
layout = pango_layout_new (context);
if (self->priv->font != NULL)
pango_layout_set_font_description (layout, self->priv->font);
pango_layout_set_text (layout, self->priv->rendered_string, -1);
g_object_unref (context);
}
else
{
GtkWidget *fake;
/* steal gtk text settings from the window */
fake = gtk_window_new (GTK_WINDOW_TOPLEVEL);
layout = gtk_widget_create_pango_layout (fake, self->priv->rendered_string);
gtk_widget_destroy (fake);
}
return layout;
}
JNIEXPORT jlong JNICALL
Java_org_gnome_gtk_GtkStyleContext_gtk_1style_1context_1get_1screen
(
JNIEnv* env,
jclass cls,
jlong _self
)
{
GdkScreen* result;
jlong _result;
GtkStyleContext* self;
// convert parameter self
self = (GtkStyleContext*) _self;
// call function
result = gtk_style_context_get_screen(self);
// cleanup parameter self
// translate return value to JNI type
_result = (jlong) result;
// cleanup return value
if (result != NULL) {
bindings_java_memory_cleanup((GObject*)result, FALSE);
}
// and finally
return _result;
}
static void
ensure_icon_size (GtkIconHelper *self,
GtkStyleContext *context,
gint *width_out,
gint *height_out)
{
gint width, height;
GtkSettings *settings;
GdkScreen *screen;
screen = gtk_style_context_get_screen (context);
settings = gtk_settings_get_for_screen (screen);
if (self->priv->pixel_size != -1)
{
width = height = self->priv->pixel_size;
}
else if (!gtk_icon_size_lookup_for_settings (settings,
self->priv->icon_size,
&width, &height))
{
if (self->priv->icon_size == GTK_ICON_SIZE_INVALID)
{
width = height = 0;
}
else
{
g_warning ("Invalid icon size %d\n", self->priv->icon_size);
width = height = 24;
}
}
*width_out = width;
*height_out = height;
}
static void
gstyle_color_widget_init (GstyleColorWidget *self)
{
GtkStyleContext *context;
GtkWidget *widget = GTK_WIDGET (self);
gtk_widget_set_has_window (GTK_WIDGET (self), TRUE);
self->label = GTK_LABEL (g_object_new (GTK_TYPE_LABEL,
"ellipsize", PANGO_ELLIPSIZE_END,
"visible", TRUE,
"halign", GTK_ALIGN_CENTER,
"valign", GTK_ALIGN_CENTER,
NULL));
gtk_container_add (GTK_CONTAINER (self), GTK_WIDGET (self->label));
self->is_name_visible = TRUE;
self->is_fallback_name_visible = TRUE;
self->fallback_name_kind = GSTYLE_COLOR_KIND_RGB_HEX6;
self->checkered_pattern = gstyle_utils_get_checkered_pattern ();
gtk_widget_set_valign (widget, GTK_ALIGN_FILL);
gtk_widget_set_halign (widget, GTK_ALIGN_FILL);
gtk_widget_set_hexpand (widget, TRUE);
gtk_widget_set_vexpand (widget, TRUE);
context = gtk_widget_get_style_context (GTK_WIDGET (self));
self->default_provider = gstyle_css_provider_init_default (gtk_style_context_get_screen (context));
self->target_list = gtk_target_list_new (dnd_targets, G_N_ELEMENTS (dnd_targets));
gtk_target_list_add_text_targets (self->target_list, 0);
gtk_drag_dest_set (widget, 0, NULL, 0, GDK_ACTION_MOVE);
gtk_drag_dest_set_target_list (widget, self->target_list);
gtk_drag_dest_set_track_motion (GTK_WIDGET (self), TRUE);
update_container_parent_informations (self);
self->multipress_gesture = gtk_gesture_multi_press_new (widget);
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (self->multipress_gesture), 0);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (self->multipress_gesture),
GTK_PHASE_BUBBLE);
g_signal_connect (self->multipress_gesture, "pressed",
G_CALLBACK (gstyle_color_widget_multipress_gesture_pressed), widget);
self->drag_gesture = gtk_gesture_drag_new (GTK_WIDGET (self));
g_signal_connect (self->drag_gesture, "drag-update",
G_CALLBACK (gstyle_color_widget_drag_gesture_update), self);
g_signal_connect_swapped (self, "key-press-event",
G_CALLBACK (gstyle_color_widget_key_pressed_cb),
self);
gstyle_color_widget_actions_init (self);
gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
}
static gint
get_scale_factor (GtkIconHelper *self,
GtkStyleContext *context)
{
GdkScreen *screen;
if (self->priv->window)
return gdk_window_get_scale_factor (self->priv->window);
screen = gtk_style_context_get_screen (context);
/* else fall back to something that is more likely to be right than
* just returning 1:
*/
return gdk_screen_get_monitor_scale_factor (screen, 0);
}
static cairo_surface_t *
draw_from_gicon (GtkNumerableIcon *self)
{
GtkIconTheme *theme;
GdkScreen *screen;
GtkIconInfo *info;
GdkPixbuf *pixbuf;
cairo_surface_t *surface;
cairo_t *cr;
if (self->priv->style != NULL)
{
screen = gtk_style_context_get_screen (self->priv->style);
theme = gtk_icon_theme_get_for_screen (screen);
}
else
{
theme = gtk_icon_theme_get_default ();
}
info = gtk_icon_theme_lookup_by_gicon (theme, self->priv->background_icon,
self->priv->icon_size,
GTK_ICON_LOOKUP_GENERIC_FALLBACK);
if (info == NULL)
return NULL;
pixbuf = gtk_icon_info_load_icon (info, NULL);
g_object_unref (info);
if (pixbuf == NULL)
return NULL;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
cr = cairo_create (surface);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
g_object_unref (pixbuf);
return surface;
}
static GdkPixbuf *
ensure_stated_icon_from_info (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconInfo *info)
{
GdkPixbuf *destination = NULL;
gboolean symbolic;
symbolic = FALSE;
if (info)
destination =
gtk_icon_info_load_symbolic_for_context (info,
context,
&symbolic,
NULL);
if (destination == NULL)
{
GtkIconTheme *icon_theme;
int width;
icon_theme = gtk_icon_theme_get_for_screen (gtk_style_context_get_screen (context));
gtk_icon_size_lookup (self->priv->icon_size, &width, NULL);
destination = gtk_icon_theme_load_icon (icon_theme,
"image-missing",
width,
GTK_ICON_LOOKUP_GENERIC_FALLBACK,
NULL);
}
else if (!symbolic)
{
GdkPixbuf *rendered;
rendered = ensure_stated_pixbuf_from_pixbuf (self, context, destination);
g_object_unref (destination);
destination = rendered;
}
return destination;
}
static void
gstyle_slidein_init (GstyleSlidein *self)
{
GtkStyleContext *context;
g_signal_connect_swapped (self,
"key-press-event",
G_CALLBACK (gstyle_slidein_event_box_key_pressed_cb),
self);
gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
gtk_event_box_set_visible_window (GTK_EVENT_BOX (self), FALSE);
gtk_event_box_set_above_child (GTK_EVENT_BOX (self), FALSE);
context = gtk_widget_get_style_context (GTK_WIDGET (self));
self->default_provider = gstyle_css_provider_init_default (gtk_style_context_get_screen (context));
self->direction_type = GSTYLE_SLIDEIN_DIRECTION_TYPE_RIGHT;
self->direction_type_reverse = GSTYLE_SLIDEIN_DIRECTION_TYPE_LEFT;
self->duration = 0.0;
self->duration_set = TRUE;
}
void
gstyle_eyedropper_set_source_event (GstyleEyedropper *self,
GdkEvent *event)
{
GtkWidget *source;
GtkStyleContext *context;
GtkWidget *box;
GtkWidget *swatch;
GdkGrabStatus status;
gint x_root, y_root;
gint x, y;
g_return_if_fail (GSTYLE_IS_EYEDROPPER (self));
g_return_if_fail (event != NULL);
self->seat = g_object_ref (gdk_event_get_seat (event));
source = gtk_get_event_widget (event);
self->screen = gdk_event_get_screen (event);
g_signal_connect_swapped (self->screen,
"size-changed",
G_CALLBACK (gstyle_eyedropper_screen_size_changed_cb),
self);
self->window = g_object_ref_sink (gtk_window_new (GTK_WINDOW_POPUP));
gtk_window_set_screen (GTK_WINDOW (self->window),self->screen);
gtk_widget_set_name (self->window, "gstyleeyedropper");
context = gtk_widget_get_style_context (self->window);
self->default_provider = gstyle_css_provider_init_default (gtk_style_context_get_screen (context));
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (self->window), box);
self->zoom_area = gtk_drawing_area_new ();
gtk_widget_set_size_request (self->zoom_area, ZOOM_AREA_WIDTH, ZOOM_AREA_HEIGHT);
gtk_container_add (GTK_CONTAINER (box), self->zoom_area);
swatch = g_object_new (GSTYLE_TYPE_COLOR_WIDGET,
"fallback-name-kind", GSTYLE_COLOR_KIND_RGB_HEX6,
"fallback-name-visible", TRUE,
"color", self->color,
NULL);
gtk_container_add (GTK_CONTAINER (box), swatch);
g_signal_connect_object (self->zoom_area,
"draw",
G_CALLBACK (gstyle_eyedropper_zoom_area_draw_cb),
self,
G_CONNECT_SWAPPED);
self->screen_width = gdk_screen_get_width (self->screen);
self->screen_height = gdk_screen_get_height (self->screen);
gstyle_eyedropper_event_get_root_coords (self, event, &x_root, &y_root);
gstyle_eyedropper_calculate_window_position (self, GTK_WINDOW (self->window), x_root, y_root, &x, &y);
gtk_window_move (GTK_WINDOW (self->window), x, y);
gtk_widget_show_all (self->window);
gtk_widget_add_events (self->window,
GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
self->cursor = gdk_cursor_new_from_name (gdk_screen_get_display (self->screen), "cell");
gtk_grab_add (self->window);
status = gdk_seat_grab (self->seat,
gtk_widget_get_window (source),
GDK_SEAT_CAPABILITY_ALL,
FALSE,
self->cursor,
event,
NULL, NULL);
if (status != GDK_GRAB_SUCCESS)
{
g_warning ("grab failed status:%i\n", status);
return;
}
self->motion_notify_handler_id =
g_signal_connect_swapped (self->window, "motion-notify-event",
G_CALLBACK (gstyle_eyedropper_pointer_motion_notify_cb),
self);
self->pointer_pressed_handler_id =
g_signal_connect_swapped (self->window,
"button-press-event",
G_CALLBACK (gstyle_eyedropper_pointer_pressed_cb),
self);
self->pointer_wheel_handler_id =
g_signal_connect_swapped (self->window,
"scroll-event",
G_CALLBACK (gstyle_eyedropper_pointer_wheel_cb),
self);
self->key_handler_id =
g_signal_connect_swapped (self->window,
"key-press-event",
G_CALLBACK (gstyle_eyedropper_key_pressed_cb),
self);
self->grab_broken_handler_id =
g_signal_connect_swapped (self->window,
"grab-broken-event",
G_CALLBACK (gstyle_eyedropper_grab_broken_cb),
self);
}
