klass->direction_changed = gtk_widget_real_direction_changed;
klass->grab_notify = NULL;
klass->child_notify = NULL;
- klass->draw = NULL;
klass->snapshot = gtk_widget_real_snapshot;
klass->mnemonic_activate = gtk_widget_real_mnemonic_activate;
klass->grab_focus = gtk_widget_real_grab_focus;
g_signal_new (I_("draw"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (GtkWidgetClass, draw),
+ 0,
_gtk_boolean_handled_accumulator, NULL,
gtk_widget_draw_marshaller,
G_TYPE_BOOLEAN, 1,
return NULL;
}
-typedef enum {
- RENDER_SNAPSHOT,
- RENDER_DRAW
-} RenderMode;
-
-static RenderMode
-get_render_mode (GtkWidgetClass *klass)
-{
- GtkWidgetClass *parent_class;
-
- for (parent_class = g_type_class_peek_parent (klass);
- parent_class != gtk_widget_parent_class;
- parent_class = g_type_class_peek_parent (klass))
- {
- if (klass->snapshot != parent_class->snapshot)
- return RENDER_SNAPSHOT;
- else if (klass->draw != parent_class->draw)
- return RENDER_DRAW;
-
- klass = parent_class;
- }
-
- return RENDER_SNAPSHOT;
-}
-
-static void
-gtk_widget_draw_internal (GtkWidget *widget,
- cairo_t *cr)
-{
- if (!_gtk_widget_is_drawable (widget))
- return;
-
- cairo_rectangle (cr,
- 0, 0,
- widget->priv->allocation.width,
- widget->priv->allocation.height);
- cairo_clip (cr);
-
- if (gdk_cairo_get_clip_rectangle (cr, NULL))
- {
- GtkWidgetClass *widget_class = GTK_WIDGET_GET_CLASS (widget);
- GdkSurface *event_surface = NULL;
- gboolean result;
- RenderMode mode;
-
-#ifdef G_ENABLE_CONSISTENCY_CHECKS
- if (_gtk_widget_get_alloc_needed (widget))
- g_warning ("%s %p is drawn without a current allocation. This should not happen.", G_OBJECT_TYPE_NAME (widget), widget);
-#endif
-
- /* If the widget uses GSK render nodes then we need a fallback path to
- * render on the Cairo context; otherwise we just go through the old
- * GtkWidget::draw path
- */
- mode = get_render_mode (widget_class);
-
- if (mode == RENDER_SNAPSHOT)
- {
- GtkSnapshot *snapshot;
- GskRenderNode *node;
-
- snapshot = gtk_snapshot_new (FALSE, "Fallback<%s>", G_OBJECT_TYPE_NAME (widget));
- gtk_widget_snapshot (widget, snapshot);
- node = gtk_snapshot_free_to_node (snapshot);
- if (node != NULL)
- {
- gsk_render_node_draw (node, cr);
- gsk_render_node_unref (node);
- }
- }
- else
- {
- gboolean push_group =
- widget->priv->alpha != 255 && !_gtk_widget_is_toplevel (widget);
-
- if (push_group)
- cairo_push_group (cr);
-
- if (g_signal_has_handler_pending (widget, widget_signals[DRAW], 0, FALSE))
- {
- g_signal_emit (widget, widget_signals[DRAW],
- 0, cr,
- &result);
- }
- else if (GTK_WIDGET_GET_CLASS (widget)->draw)
- {
- cairo_save (cr);
- GTK_WIDGET_GET_CLASS (widget)->draw (widget, cr);
- cairo_restore (cr);
- }
-
- if (push_group)
- {
- cairo_pop_group_to_source (cr);
- cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
- cairo_paint_with_alpha (cr, widget->priv->alpha / 255.0);
- }
- }
-
-#ifdef G_ENABLE_DEBUG
- if (GTK_DISPLAY_DEBUG_CHECK (gtk_widget_get_display (widget), BASELINES))
- {
- gint baseline = gtk_widget_get_allocated_baseline (widget);
- gint width = gtk_widget_get_allocated_width (widget);
-
- if (baseline != -1)
- {
- cairo_save (cr);
- cairo_new_path (cr);
- cairo_move_to (cr, 0, baseline+0.5);
- cairo_line_to (cr, width, baseline+0.5);
- cairo_set_line_width (cr, 1.0);
- cairo_set_source_rgba (cr, 1.0, 0, 0, 0.25);
- cairo_stroke (cr);
- cairo_restore (cr);
- }
- }
- if (widget->priv->highlight_resize)
- {
- GtkAllocation alloc;
- gtk_widget_get_allocation (widget, &alloc);
-
- cairo_rectangle (cr, 0, 0, alloc.width, alloc.height);
- cairo_set_source_rgba (cr, 1, 0, 0, 0.2);
- cairo_fill (cr);
-
- gtk_widget_queue_draw (widget);
-
- widget->priv->highlight_resize = FALSE;
- }
-#endif
-
- if (cairo_status (cr) &&
- event_surface != NULL)
- {
- /* We check the event so we only warn about internal GTK+ calls.
- * Errors might come from PDF streams having write failures and
- * we don't want to spam stderr in that case.
- * We do want to catch errors from
- */
- g_warning ("drawing failure for widget '%s': %s",
- G_OBJECT_TYPE_NAME (widget),
- cairo_status_to_string (cairo_status (cr)));
- }
- }
-}
-
static gboolean
gtk_widget_real_key_press_event (GtkWidget *widget,
GdkEventKey *event)
GtkWidgetClass *klass = GTK_WIDGET_GET_CLASS (widget);
GtkWidgetPrivate *priv = widget->priv;
GtkCssValue *filter_value;
- RenderMode mode;
double opacity;
GtkCssStyle *style;
GtkAllocation allocation;
snapshot = gtk_snapshot_new_child (parent_snapshot, "%s<%p>", gtk_widget_get_name (widget), widget);
- /* Compatibility mode: if the widget does not have a render node, we draw
- * using gtk_widget_draw() on a temporary node
- */
- mode = get_render_mode (klass);
-
filter_value = _gtk_style_context_peek_property (_gtk_widget_get_style_context (widget), GTK_CSS_PROPERTY_FILTER);
gtk_css_filter_value_push_snapshot (filter_value, snapshot);
_gtk_widget_get_allocation (widget, &allocation);
- if (mode == RENDER_DRAW)
+ if (opacity < 1.0)
+ gtk_snapshot_push_opacity (snapshot, opacity, "Opacity<%s,%f>", G_OBJECT_TYPE_NAME (widget), opacity);
+
+ if (!GTK_IS_WINDOW (widget))
{
+ gtk_snapshot_offset (snapshot, margin.left, margin.top);
+ gtk_css_style_snapshot_background (style,
+ snapshot,
+ allocation.width - margin.left - margin.right,
+ allocation.height - margin.top - margin.bottom);
+ gtk_css_style_snapshot_border (style,
+ snapshot,
+ allocation.width - margin.left - margin.right,
+ allocation.height - margin.top - margin.bottom);
+ gtk_snapshot_offset (snapshot, - margin.left, - margin.top);
+ }
+
+ /* Offset to content allocation */
+ gtk_snapshot_offset (snapshot, margin.left + padding.left + border.left, margin.top + border.top + padding.top);
+ if (gtk_widget_get_width (widget) > 0 && gtk_widget_get_height (widget) > 0)
+ klass->snapshot (widget, snapshot);
+ gtk_snapshot_offset (snapshot, - (margin.left + padding.left + border.left), -(margin.top + border.top + padding.top));
+
+ if (g_signal_has_handler_pending (widget, widget_signals[DRAW], 0, FALSE))
+ {
+ /* Compatibility mode: if there's a ::draw signal handler, we add a
+ * child node with the contents of the handler
+ */
+ gboolean result;
cairo_t *cr;
graphene_rect_t bounds;
cairo_rectangle_int_t offset_clip;
offset_clip.height);
cr = gtk_snapshot_append_cairo (snapshot,
- &bounds, "Fallback<%s>",
- G_OBJECT_TYPE_NAME (widget));
- gtk_widget_draw_internal (widget, cr);
+ &bounds,
+ "DrawSignalContents<%s>", G_OBJECT_TYPE_NAME (widget));
+ g_signal_emit (widget, widget_signals[DRAW], 0, cr, &result);
cairo_destroy (cr);
}
- else
- {
- if (opacity < 1.0)
- gtk_snapshot_push_opacity (snapshot, opacity, "Opacity<%s,%f>", G_OBJECT_TYPE_NAME (widget), opacity);
-
- if (!GTK_IS_WINDOW (widget))
- {
- gtk_snapshot_offset (snapshot, margin.left, margin.top);
- gtk_css_style_snapshot_background (style,
- snapshot,
- allocation.width - margin.left - margin.right,
- allocation.height - margin.top - margin.bottom);
- gtk_css_style_snapshot_border (style,
- snapshot,
- allocation.width - margin.left - margin.right,
- allocation.height - margin.top - margin.bottom);
- gtk_snapshot_offset (snapshot, - margin.left, - margin.top);
- }
- /* Offset to content allocation */
- gtk_snapshot_offset (snapshot, margin.left + padding.left + border.left, margin.top + border.top + padding.top);
- if (gtk_widget_get_width (widget) > 0 && gtk_widget_get_height (widget) > 0)
- klass->snapshot (widget, snapshot);
- gtk_snapshot_offset (snapshot, - (margin.left + padding.left + border.left), -(margin.top + border.top + padding.top));
+ gtk_snapshot_offset (snapshot, margin.left, margin.top);
+ gtk_css_style_snapshot_outline (style,
+ snapshot,
+ allocation.width - margin.left - margin.right,
+ allocation.height - margin.top - margin.bottom);
+ gtk_snapshot_offset (snapshot, - margin.left, - margin.top);
- if (g_signal_has_handler_pending (widget, widget_signals[DRAW], 0, FALSE))
- {
- /* Compatibility mode: if there's a ::draw signal handler, we add a
- * child node with the contents of the handler
- */
- gboolean result;
- cairo_t *cr;
- graphene_rect_t bounds;
- cairo_rectangle_int_t offset_clip;
-
- offset_clip.x = 0;
- offset_clip.y = 0;
- offset_clip.width = priv->allocation.width;
- offset_clip.height = priv->allocation.height;
-
- graphene_rect_init (&bounds,
- offset_clip.x,
- offset_clip.y,
- offset_clip.width,
- offset_clip.height);
-
- cr = gtk_snapshot_append_cairo (snapshot,
- &bounds,
- "DrawSignalContents<%s>", G_OBJECT_TYPE_NAME (widget));
- g_signal_emit (widget, widget_signals[DRAW], 0, cr, &result);
- cairo_destroy (cr);
- }
-
- gtk_snapshot_offset (snapshot, margin.left, margin.top);
- gtk_css_style_snapshot_outline (style,
- snapshot,
- allocation.width - margin.left - margin.right,
- allocation.height - margin.top - margin.bottom);
- gtk_snapshot_offset (snapshot, - margin.left, - margin.top);
-
- if (opacity < 1.0)
- gtk_snapshot_pop (snapshot);
- }
+ if (opacity < 1.0)
+ gtk_snapshot_pop (snapshot);
gtk_css_filter_value_pop_snapshot (filter_value, snapshot);
projects / gtk4.git / commitdiff