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https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-17 23:10:22 +00:00
gtk: Don't call gdk_window_process_updates() when scrolling
This can cause lagging when scrolling as it causes us to repaint on every scroll event. This wasn't historically a great problem, but with smooth scrolling we get a lot more events, so this now creates visible lagging on slower machines.
This commit is contained in:
Benjamin Otte
Alexander Larsson
parent
d55961adf9
commit
917ca6a802
@ -2360,20 +2360,6 @@ gtk_icon_view_real_toggle_cursor_item (GtkIconView *icon_view)
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}
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}
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/* Internal functions */
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static void
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gtk_icon_view_process_updates (GtkIconView *icon_view)
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{
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/* Prior to drawing, we check if a layout has been scheduled. If so,
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* do it now that all cell view items have valid sizes before we proceeed
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* (and resize the bin_window if required).
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*/
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if (icon_view->priv->layout_idle_id != 0)
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gtk_icon_view_layout (icon_view);
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gdk_window_process_updates (icon_view->priv->bin_window, TRUE);
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}
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static void
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gtk_icon_view_set_hadjustment_values (GtkIconView *icon_view)
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{
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@ -2511,8 +2497,6 @@ gtk_icon_view_adjustment_changed (GtkAdjustment *adjustment,
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gtk_icon_view_update_rubberband (GTK_WIDGET (icon_view));
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_gtk_icon_view_accessible_adjustment_changed (icon_view);
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gtk_icon_view_process_updates (icon_view);
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}
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}
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@ -1312,9 +1312,6 @@ animation_timeout (gpointer data)
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gdk_threads_add_timeout (delay, animation_timeout, image);
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gtk_widget_queue_draw (widget);
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if (gtk_widget_is_drawable (widget))
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gdk_window_process_updates (gtk_widget_get_window (widget), TRUE);
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}
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return FALSE;
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@ -1123,7 +1123,5 @@ gtk_layout_adjustment_changed (GtkAdjustment *adjustment,
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gdk_window_move (priv->bin_window,
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- gtk_adjustment_get_value (priv->hadjustment),
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- gtk_adjustment_get_value (priv->vadjustment));
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gdk_window_process_updates (priv->bin_window, TRUE);
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}
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}
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@ -116,8 +116,6 @@ struct _GtkRangePrivate
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gint slider_start; /* Slider range along the long dimension, in widget->window coords */
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gint slider_end;
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guint repaint_id;
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/* Steppers are: < > ---- < >
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* a b c d
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*/
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@ -1499,10 +1497,6 @@ gtk_range_destroy (GtkWidget *widget)
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gtk_range_remove_step_timer (range);
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if (priv->repaint_id)
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g_source_remove (priv->repaint_id);
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priv->repaint_id = 0;
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if (priv->adjustment)
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{
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g_signal_handlers_disconnect_by_func (priv->adjustment,
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@ -2034,11 +2028,6 @@ gtk_range_draw (GtkWidget *widget,
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"focus-padding", &focus_padding,
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NULL);
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/* we're now exposing, so there's no need to force early repaints */
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if (priv->repaint_id)
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g_source_remove (priv->repaint_id);
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priv->repaint_id = 0;
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gtk_range_calc_marks (range);
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gtk_range_calc_layout (range, gtk_adjustment_get_value (priv->adjustment));
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@ -2984,20 +2973,6 @@ gtk_range_adjustment_changed (GtkAdjustment *adjustment,
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*/
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}
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static gboolean
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force_repaint (gpointer data)
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{
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GtkRange *range = GTK_RANGE (data);
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GtkRangePrivate *priv = range->priv;
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GtkWidget *widget = GTK_WIDGET (range);
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priv->repaint_id = 0;
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if (gtk_widget_is_drawable (widget))
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gdk_window_process_updates (gtk_widget_get_window (widget), FALSE);
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return FALSE;
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}
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static void
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gtk_range_adjustment_value_changed (GtkAdjustment *adjustment,
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gpointer data)
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@ -3014,11 +2989,6 @@ gtk_range_adjustment_value_changed (GtkAdjustment *adjustment,
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(GTK_IS_SCALE (range) && gtk_scale_get_draw_value (GTK_SCALE (range))))
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{
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gtk_widget_queue_draw (GTK_WIDGET (range));
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/* setup a timer to ensure the range isn't lagging too much behind the scroll position */
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if (!priv->repaint_id)
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priv->repaint_id = gdk_threads_add_timeout_full (GDK_PRIORITY_EVENTS,
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181, force_repaint,
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range, NULL);
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}
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/* Note that we don't round off to priv->round_digits here.
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@ -7700,26 +7700,6 @@ gtk_text_view_value_changed (GtkAdjustment *adjustment,
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*/
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gtk_text_view_validate_onscreen (text_view);
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/* process exposes */
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if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
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{
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DV (g_print ("Processing updates (%s)\n", G_STRLOC));
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if (priv->left_window)
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gdk_window_process_updates (priv->left_window->bin_window, TRUE);
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if (priv->right_window)
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gdk_window_process_updates (priv->right_window->bin_window, TRUE);
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if (priv->top_window)
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gdk_window_process_updates (priv->top_window->bin_window, TRUE);
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if (priv->bottom_window)
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gdk_window_process_updates (priv->bottom_window->bin_window, TRUE);
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gdk_window_process_updates (priv->text_window->bin_window, TRUE);
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}
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/* If this got installed, get rid of it, it's just a waste of time. */
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if (priv->first_validate_idle != 0)
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{
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@ -6810,21 +6810,6 @@ install_presize_handler (GtkTreeView *tree_view)
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}
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}
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static void
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gtk_tree_view_bin_process_updates (GtkTreeView *tree_view)
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{
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/* Prior to drawing, we make sure the visible area is validated. */
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if (tree_view->priv->presize_handler_timer)
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{
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g_source_remove (tree_view->priv->presize_handler_timer);
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tree_view->priv->presize_handler_timer = 0;
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do_presize_handler (tree_view);
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}
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gdk_window_process_updates (tree_view->priv->bin_window, TRUE);
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}
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static gboolean
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scroll_sync_handler (GtkTreeView *tree_view)
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{
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@ -9393,10 +9378,6 @@ gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view,
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path = _gtk_tree_path_new_from_rbtree (tree, node);
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if (path)
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{
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/* We process updates because we want to clear old selected items when we scroll.
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* if this is removed, we get a "selection streak" at the bottom. */
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gtk_tree_view_bin_process_updates (tree_view);
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gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0.0, 0.0);
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gtk_tree_path_free (path);
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}
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@ -11311,9 +11292,6 @@ gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
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if (!tree_view->priv->in_top_row_to_dy)
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gtk_tree_view_dy_to_top_row (tree_view);
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}
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gdk_window_process_updates (tree_view->priv->header_window, TRUE);
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gtk_tree_view_bin_process_updates (tree_view);
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}
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}
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@ -901,10 +901,7 @@ gtk_viewport_adjustment_value_changed (GtkAdjustment *adjustment,
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new_y = - gtk_adjustment_get_value (vadjustment);
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if (new_x != old_x || new_y != old_y)
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{
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gdk_window_move (priv->bin_window, new_x, new_y);
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gdk_window_process_updates (priv->bin_window, TRUE);
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}
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gdk_window_move (priv->bin_window, new_x, new_y);
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}
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}
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