[gtk+/wip/otte/gtk4: 77/127] scrolledwindow: Remove scrollbar-spacing and scrollbars-within-bevel

[Benjamin Otte <otte src gnome org>]

commit 238e425dda841b81ea2b7f4d5f70f961c0ca9e64
Author: Timm Bäder <mail baedert org>
Date:   Tue Oct 4 16:35:24 2016 +0200

    scrolledwindow: Remove scrollbar-spacing and scrollbars-within-bevel

 gtk/gtkscrolledwindow.c |  115 +++++++++-------------------------------------
 gtk/gtkscrolledwindow.h |    3 -
 2 files changed, 23 insertions(+), 95 deletions(-)
---
diff --git a/gtk/gtkscrolledwindow.c b/gtk/gtkscrolledwindow.c
index 2cbff7c..1d606aa 100644
--- a/gtk/gtkscrolledwindow.c
+++ b/gtk/gtkscrolledwindow.c
@@ -173,7 +173,6 @@
  *    under A) at least correspond to the space taken up by its scrollbars.
  */
 
-#define DEFAULT_SCROLLBAR_SPACING  3
 #define TOUCH_BYPASS_CAPTURED_THRESHOLD 30
 
 /* Kinetic scrolling */
@@ -402,7 +401,6 @@ static gboolean _gtk_scrolled_window_get_overshoot (GtkScrolledWindow *scrolled_
                                                     gint              *overshoot_y);
 
 static void     gtk_scrolled_window_start_deceleration (GtkScrolledWindow *scrolled_window);
-static gint     _gtk_scrolled_window_get_scrollbar_spacing (GtkScrolledWindow *scrolled_window);
 
 static void     gtk_scrolled_window_update_use_indicators (GtkScrolledWindow *scrolled_window);
 static void     remove_indicator     (GtkScrolledWindow *sw,
@@ -561,8 +559,6 @@ gtk_scrolled_window_class_init (GtkScrolledWindowClass *class)
   container_class->forall = gtk_scrolled_window_forall;
   gtk_container_class_handle_border_width (container_class);
 
-  class->scrollbar_spacing = -1;
-
   class->scroll_child = gtk_scrolled_window_scroll_child;
   class->move_focus_out = gtk_scrolled_window_move_focus_out;
 
@@ -631,31 +627,6 @@ gtk_scrolled_window_class_init (GtkScrolledWindowClass *class)
                         GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
 
   /**
-   * GtkScrolledWindow:scrollbars-within-bevel:
-   *
-   * Whether to place scrollbars within the scrolled window's bevel.
-   *
-   * Since: 2.12
-   *
-   * Deprecated: 3.20: the value of this style property is ignored.
-   */
-  gtk_widget_class_install_style_property (widget_class,
-                                          g_param_spec_boolean ("scrollbars-within-bevel",
-                                                                P_("Scrollbars within bevel"),
-                                                                P_("Place scrollbars within the scrolled 
window's bevel"),
-                                                                FALSE,
-                                                                GTK_PARAM_READABLE|G_PARAM_DEPRECATED));
-
-  gtk_widget_class_install_style_property (widget_class,
-                                          g_param_spec_int ("scrollbar-spacing",
-                                                            P_("Scrollbar spacing"),
-                                                            P_("Number of pixels between the scrollbars and 
the scrolled window"),
-                                                            0,
-                                                            G_MAXINT,
-                                                            DEFAULT_SCROLLBAR_SPACING,
-                                                            GTK_PARAM_READABLE));
-
-  /**
    * GtkScrolledWindow:min-content-width:
    *
    * The minimum content width of @scrolled_window, or -1 if not set.
@@ -1478,38 +1449,6 @@ captured_event_cb (GtkWidget *widget,
   return GDK_EVENT_PROPAGATE;
 }
 
-/*
- * _gtk_scrolled_window_get_spacing:
- * @scrolled_window: a scrolled window
- *
- * Gets the spacing between the scrolled window’s scrollbars and
- * the scrolled widget. Used by GtkCombo
- *
- * Returns: the spacing, in pixels.
- */
-static gint
-_gtk_scrolled_window_get_scrollbar_spacing (GtkScrolledWindow *scrolled_window)
-{
-  GtkScrolledWindowClass *class;
-
-  g_return_val_if_fail (GTK_IS_SCROLLED_WINDOW (scrolled_window), 0);
-
-  class = GTK_SCROLLED_WINDOW_GET_CLASS (scrolled_window);
-
-  if (class->scrollbar_spacing >= 0)
-    return class->scrollbar_spacing;
-  else
-    {
-      gint scrollbar_spacing;
-
-      gtk_widget_style_get (GTK_WIDGET (scrolled_window),
-                           "scrollbar-spacing", &scrollbar_spacing,
-                           NULL);
-
-      return scrollbar_spacing;
-    }
-}
-
 static void
 gtk_scrolled_window_allocate (GtkCssGadget        *gadget,
                               const GtkAllocation *allocation,
@@ -1524,14 +1463,12 @@ gtk_scrolled_window_allocate (GtkCssGadget        *gadget,
   GtkAllocation relative_allocation;
   GtkAllocation child_allocation;
   GtkWidget *child;
-  gint sb_spacing;
   gint sb_width;
   gint sb_height;
 
   bin = GTK_BIN (scrolled_window);
 
   /* Get possible scrollbar dimensions */
-  sb_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
   gtk_widget_get_preferred_height (priv->hscrollbar, &sb_height, NULL);
   gtk_widget_get_preferred_width (priv->vscrollbar, &sb_width, NULL);
 
@@ -1594,27 +1531,27 @@ gtk_scrolled_window_allocate (GtkCssGadget        *gadget,
                  /* Does the content width fit the allocation with minus a possible scrollbar ? */
                  priv->hscrollbar_visible =
                    child_scroll_width > allocation->width -
-                   (priv->vscrollbar_visible && !priv->use_indicators ? sb_width + sb_spacing : 0);
+                   (priv->vscrollbar_visible && !priv->use_indicators ? sb_width : 0);
 
                  /* Now that we've guessed the hscrollbar, does the content height fit
                   * the possible new allocation height ?
                   */
                  priv->vscrollbar_visible =
                    child_scroll_height > allocation->height -
-                   (priv->hscrollbar_visible && !priv->use_indicators ? sb_height + sb_spacing : 0);
+                   (priv->hscrollbar_visible && !priv->use_indicators ? sb_height : 0);
 
                  /* Now that we've guessed the vscrollbar, does the content width fit
                   * the possible new allocation width ?
                   */
                  priv->hscrollbar_visible =
                    child_scroll_width > allocation->width -
-                   (priv->vscrollbar_visible && !priv->use_indicators ? sb_width + sb_spacing : 0);
+                   (priv->vscrollbar_visible && !priv->use_indicators ? sb_width : 0);
                }
              else /* priv->hscrollbar_policy != GTK_POLICY_AUTOMATIC */
                {
                  priv->hscrollbar_visible = policy_may_be_visible (priv->hscrollbar_policy);
                  priv->vscrollbar_visible = child_scroll_height > allocation->height -
-                   (priv->hscrollbar_visible && !priv->use_indicators ? sb_height + sb_spacing : 0);
+                   (priv->hscrollbar_visible && !priv->use_indicators ? sb_height : 0);
                }
            }
          else /* priv->vscrollbar_policy != GTK_POLICY_AUTOMATIC */
@@ -1624,7 +1561,7 @@ gtk_scrolled_window_allocate (GtkCssGadget        *gadget,
              if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC)
                priv->hscrollbar_visible =
                  child_scroll_width > allocation->width -
-                 (priv->vscrollbar_visible && !priv->use_indicators ? 0 : sb_width + sb_spacing);
+                 (priv->vscrollbar_visible && !priv->use_indicators ? 0 : sb_width);
              else
                priv->hscrollbar_visible = policy_may_be_visible (priv->hscrollbar_policy);
            }
@@ -1657,27 +1594,27 @@ gtk_scrolled_window_allocate (GtkCssGadget        *gadget,
                  /* Does the content height fit the allocation with minus a possible scrollbar ? */
                  priv->vscrollbar_visible =
                    child_scroll_height > allocation->height -
-                   (priv->hscrollbar_visible && !priv->use_indicators ? sb_height + sb_spacing : 0);
+                   (priv->hscrollbar_visible && !priv->use_indicators ? sb_height : 0);
 
                  /* Now that we've guessed the vscrollbar, does the content width fit
                   * the possible new allocation width ?
                   */
                  priv->hscrollbar_visible =
                    child_scroll_width > allocation->width -
-                   (priv->vscrollbar_visible && !priv->use_indicators ? sb_width + sb_spacing : 0);
+                   (priv->vscrollbar_visible && !priv->use_indicators ? sb_width : 0);
 
                  /* Now that we've guessed the hscrollbar, does the content height fit
                   * the possible new allocation height ?
                   */
                  priv->vscrollbar_visible =
                    child_scroll_height > allocation->height -
-                   (priv->hscrollbar_visible && !priv->use_indicators ? sb_height + sb_spacing : 0);
+                   (priv->hscrollbar_visible && !priv->use_indicators ? sb_height : 0);
                }
              else /* priv->vscrollbar_policy != GTK_POLICY_AUTOMATIC */
                {
                  priv->vscrollbar_visible = policy_may_be_visible (priv->vscrollbar_policy);
                  priv->hscrollbar_visible = child_scroll_width > allocation->width -
-                   (priv->vscrollbar_visible && !priv->use_indicators ? sb_width + sb_spacing : 0);
+                   (priv->vscrollbar_visible && !priv->use_indicators ? sb_width : 0);
                }
            }
          else /* priv->hscrollbar_policy != GTK_POLICY_AUTOMATIC */
@@ -1687,7 +1624,7 @@ gtk_scrolled_window_allocate (GtkCssGadget        *gadget,
              if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC)
                priv->vscrollbar_visible =
                  child_scroll_height > allocation->height -
-                 (priv->hscrollbar_visible && !priv->use_indicators ? sb_height + sb_spacing : 0);
+                 (priv->hscrollbar_visible && !priv->use_indicators ? sb_height : 0);
              else
                priv->vscrollbar_visible = policy_may_be_visible (priv->vscrollbar_policy);
            }
@@ -1802,7 +1739,6 @@ gtk_scrolled_window_measure (GtkCssGadget   *gadget,
   GtkScrolledWindow *scrolled_window = GTK_SCROLLED_WINDOW (widget);
   GtkScrolledWindowPrivate *priv = scrolled_window->priv;
   GtkBin *bin = GTK_BIN (scrolled_window);
-  gint scrollbar_spacing;
   GtkRequisition hscrollbar_requisition;
   GtkRequisition vscrollbar_requisition;
   GtkRequisition minimum_req, natural_req;
@@ -1810,8 +1746,6 @@ gtk_scrolled_window_measure (GtkCssGadget   *gadget,
   gint min_child_size, nat_child_size;
   GtkBorder sborder = { 0 };
 
-  scrollbar_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
-
   minimum_req.width = 0;
   minimum_req.height = 0;
   natural_req.width = 0;
@@ -1893,8 +1827,8 @@ gtk_scrolled_window_measure (GtkCssGadget   *gadget,
 
       if (!priv->use_indicators)
        {
-         minimum_req.height += scrollbar_spacing + hscrollbar_requisition.height;
-         natural_req.height += scrollbar_spacing + hscrollbar_requisition.height;
+         minimum_req.height += hscrollbar_requisition.height;
+         natural_req.height += hscrollbar_requisition.height;
        }
     }
 
@@ -1905,8 +1839,8 @@ gtk_scrolled_window_measure (GtkCssGadget   *gadget,
 
       if (!priv->use_indicators)
        {
-         minimum_req.width += scrollbar_spacing + vscrollbar_requisition.width;
-         natural_req.width += scrollbar_spacing + vscrollbar_requisition.width;
+         minimum_req.width += vscrollbar_requisition.width;
+         natural_req.width += vscrollbar_requisition.width;
        }
     }
 
@@ -3163,7 +3097,6 @@ gtk_scrolled_window_relative_allocation (GtkWidget     *widget,
   GtkAllocation content_allocation;
   GtkScrolledWindow *scrolled_window;
   GtkScrolledWindowPrivate *priv;
-  gint sb_spacing;
   gint sb_width;
   gint sb_height;
 
@@ -3174,7 +3107,6 @@ gtk_scrolled_window_relative_allocation (GtkWidget     *widget,
   priv = scrolled_window->priv;
 
   /* Get possible scrollbar dimensions */
-  sb_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
   gtk_widget_get_preferred_height (priv->hscrollbar, &sb_height, NULL);
   gtk_widget_get_preferred_width (priv->vscrollbar, &sb_width, NULL);
 
@@ -3198,9 +3130,9 @@ gtk_scrolled_window_relative_allocation (GtkWidget     *widget,
          (is_rtl &&
           (priv->window_placement == GTK_CORNER_TOP_LEFT ||
            priv->window_placement == GTK_CORNER_BOTTOM_LEFT)))
-       allocation->x += (sb_width +  sb_spacing);
+        allocation->x += sb_width;
 
-      allocation->width = MAX (1, allocation->width - (sb_width + sb_spacing));
+      allocation->width = MAX (1, allocation->width - sb_width);
     }
 
   if (priv->hscrollbar_visible && !priv->use_indicators)
@@ -3208,9 +3140,9 @@ gtk_scrolled_window_relative_allocation (GtkWidget     *widget,
 
       if (priv->window_placement == GTK_CORNER_BOTTOM_LEFT ||
          priv->window_placement == GTK_CORNER_BOTTOM_RIGHT)
-       allocation->y += (sb_height + sb_spacing);
+       allocation->y += (sb_height);
 
-      allocation->height = MAX (1, allocation->height - (sb_height + sb_spacing));
+      allocation->height = MAX (1, allocation->height - sb_height);
     }
 }
 
@@ -3284,13 +3216,12 @@ gtk_scrolled_window_allocate_scrollbar (GtkScrolledWindow *scrolled_window,
 {
   GtkAllocation child_allocation, content_allocation;
   GtkWidget *widget = GTK_WIDGET (scrolled_window);
-  gint sb_spacing, sb_height, sb_width;
+  gint sb_height, sb_width;
   GtkScrolledWindowPrivate *priv;
 
   priv = scrolled_window->priv;
 
   gtk_scrolled_window_inner_allocation (widget, &content_allocation);
-  sb_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
   gtk_widget_get_preferred_height (priv->hscrollbar, &sb_height, NULL);
   gtk_widget_get_preferred_width (priv->vscrollbar, &sb_width, NULL);
 
@@ -3304,14 +3235,14 @@ gtk_scrolled_window_allocate_scrollbar (GtkScrolledWindow *scrolled_window,
           if (priv->use_indicators)
            child_allocation.y = content_allocation.y + content_allocation.height - sb_height;
           else
-           child_allocation.y = content_allocation.y + content_allocation.height + sb_spacing;
+           child_allocation.y = content_allocation.y + content_allocation.height;
         }
       else
         {
           if (priv->use_indicators)
            child_allocation.y = content_allocation.y;
           else
-           child_allocation.y = content_allocation.y - sb_spacing - sb_height;
+           child_allocation.y = content_allocation.y - sb_height;
         }
 
       child_allocation.width = content_allocation.width;
@@ -3329,14 +3260,14 @@ gtk_scrolled_window_allocate_scrollbar (GtkScrolledWindow *scrolled_window,
           if (priv->use_indicators)
            child_allocation.x = content_allocation.x + content_allocation.width - sb_width;
           else
-           child_allocation.x = content_allocation.x + content_allocation.width + sb_spacing;
+           child_allocation.x = content_allocation.x + content_allocation.width;
         }
       else
         {
           if (priv->use_indicators)
            child_allocation.x = content_allocation.x;
           else
-           child_allocation.x = content_allocation.x - sb_spacing - sb_width;
+           child_allocation.x = content_allocation.x - sb_width;
         }
 
       child_allocation.y = content_allocation.y;
diff --git a/gtk/gtkscrolledwindow.h b/gtk/gtkscrolledwindow.h
index 55c3f27..41355fa 100644
--- a/gtk/gtkscrolledwindow.h
+++ b/gtk/gtkscrolledwindow.h
@@ -56,7 +56,6 @@ struct _GtkScrolledWindow
 /**
  * GtkScrolledWindowClass:
  * @parent_class: The parent class.
- * @scrollbar_spacing: 
  * @scroll_child: Keybinding signal which gets emitted when a
  *    keybinding that scrolls is pressed.
  * @move_focus_out: Keybinding signal which gets emitted when focus is
@@ -66,8 +65,6 @@ struct _GtkScrolledWindowClass
 {
   GtkBinClass parent_class;
 
-  gint scrollbar_spacing;
-
   /*< public >*/
 
   /* Action signals for keybindings. Do not connect to these signals