[gtk] Revert "progressbar: Avoid redundant storage"

[Matthias Clasen <matthiasc src gnome org>]

commit a3882763d8b0f9548da1e9dfaa1dff9473e617d0
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jun 15 07:37:57 2021 -0400

    Revert "progressbar: Avoid redundant storage"
    
    This reverts commit 95747b1a4082709d8e5320dc2171a8c53cedce19.
    
    This was wrong - it turns out that while GtkProgressBar
    allows you to change its orientation, its box layout is
    always vertical.
    
    Fixes: #4037

 gtk/gtkprogressbar.c | 39 ++++++++++++++++++---------------------
 1 file changed, 18 insertions(+), 21 deletions(-)
---
diff --git a/gtk/gtkprogressbar.c b/gtk/gtkprogressbar.c
index 9a82ab0273..d49c7f4868 100644
--- a/gtk/gtkprogressbar.c
+++ b/gtk/gtkprogressbar.c
@@ -106,6 +106,8 @@ struct _GtkProgressBar
   double         activity_pos;
   guint          activity_blocks;
 
+  GtkOrientation orientation;
+
   guint              tick_id;
   GtkProgressTracker tracker;
   gint64             pulse1;
@@ -311,9 +313,6 @@ update_node_classes (GtkProgressBar *pbar)
   gboolean right = FALSE;
   gboolean top = FALSE;
   gboolean bottom = FALSE;
-  GtkOrientation orientation;
-
-  orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (pbar));
 
   /* Here we set positional classes, depending on which end of the
    * progressbar the progress touches.
@@ -321,7 +320,7 @@ update_node_classes (GtkProgressBar *pbar)
 
   if (pbar->activity_mode)
     {
-      if (orientation == GTK_ORIENTATION_HORIZONTAL)
+      if (pbar->orientation == GTK_ORIENTATION_HORIZONTAL)
         {
           left = pbar->activity_pos <= 0.0;
           right = pbar->activity_pos >= 1.0;
@@ -339,11 +338,11 @@ update_node_classes (GtkProgressBar *pbar)
       inverted = pbar->inverted;
       if (gtk_widget_get_direction (GTK_WIDGET (pbar)) == GTK_TEXT_DIR_RTL)
         {
-          if (orientation == GTK_ORIENTATION_HORIZONTAL)
+          if (pbar->orientation == GTK_ORIENTATION_HORIZONTAL)
             inverted = !inverted;
         }
 
-      if (orientation == GTK_ORIENTATION_HORIZONTAL)
+      if (pbar->orientation == GTK_ORIENTATION_HORIZONTAL)
         {
           left = !inverted || pbar->fraction >= 1.0;
           right = inverted || pbar->fraction >= 1.0;
@@ -389,14 +388,11 @@ allocate_trough (GtkGizmo *gizmo,
   GtkAllocation alloc;
   int progress_width, progress_height;
   gboolean inverted;
-  GtkOrientation orientation;
-
-  orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (pbar));
 
   inverted = pbar->inverted;
   if (gtk_widget_get_direction (GTK_WIDGET (pbar)) == GTK_TEXT_DIR_RTL)
     {
-      if (orientation == GTK_ORIENTATION_HORIZONTAL)
+      if (pbar->orientation == GTK_ORIENTATION_HORIZONTAL)
         inverted = !inverted;
     }
 
@@ -410,7 +406,7 @@ allocate_trough (GtkGizmo *gizmo,
 
   if (pbar->activity_mode)
     {
-      if (orientation == GTK_ORIENTATION_HORIZONTAL)
+      if (pbar->orientation == GTK_ORIENTATION_HORIZONTAL)
         {
           alloc.width = progress_width + (width - progress_width) / pbar->activity_blocks;
           alloc.x = pbar->activity_pos * (width - alloc.width);
@@ -428,7 +424,7 @@ allocate_trough (GtkGizmo *gizmo,
     }
   else
     {
-      if (orientation == GTK_ORIENTATION_HORIZONTAL)
+      if (pbar->orientation == GTK_ORIENTATION_HORIZONTAL)
         {
           alloc.width = progress_width + (width - progress_width) * pbar->fraction;
           alloc.height = progress_height;
@@ -485,9 +481,9 @@ gtk_progress_bar_init (GtkProgressBar *pbar)
   gtk_widget_set_parent (pbar->progress_widget, pbar->trough_widget);
 
   /* horizontal is default */
-  gtk_orientable_set_orientation (GTK_ORIENTABLE (gtk_widget_get_layout_manager (GTK_WIDGET (pbar))),
-                                  GTK_ORIENTATION_VERTICAL);
+  pbar->orientation = GTK_ORIENTATION_VERTICAL; /* Just to force an update... */
   gtk_progress_bar_set_orientation (pbar, GTK_ORIENTATION_HORIZONTAL);
+  gtk_widget_update_orientation (GTK_WIDGET (pbar), pbar->orientation);
 
   gtk_accessible_update_property (GTK_ACCESSIBLE (pbar),
                                   GTK_ACCESSIBLE_PROPERTY_VALUE_MAX, 1.0,
@@ -546,7 +542,7 @@ gtk_progress_bar_get_property (GObject      *object,
   switch (prop_id)
     {
     case PROP_ORIENTATION:
-      g_value_set_enum (value, gtk_orientable_get_orientation (GTK_ORIENTABLE (gtk_widget_get_layout_manager 
(GTK_WIDGET (pbar)))));
+      g_value_set_enum (value, pbar->orientation);
       break;
     case PROP_INVERTED:
       g_value_set_boolean (value, pbar->inverted);
@@ -695,7 +691,7 @@ gtk_progress_bar_act_mode_enter (GtkProgressBar *pbar)
   inverted = pbar->inverted;
   if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
     {
-      if (gtk_orientable_get_orientation (GTK_ORIENTABLE (widget)) == GTK_ORIENTATION_HORIZONTAL)
+      if (pbar->orientation == GTK_ORIENTATION_HORIZONTAL)
         inverted = !inverted;
     }
 
@@ -979,12 +975,10 @@ gtk_progress_bar_set_orientation (GtkProgressBar *pbar,
 {
   GtkBoxLayout *layout;
 
-  layout = GTK_BOX_LAYOUT (gtk_widget_get_layout_manager (GTK_WIDGET (pbar)));
-
-  if (gtk_orientable_get_orientation (GTK_ORIENTABLE (layout)) == orientation)
+  if (pbar->orientation == orientation)
     return;
 
-  gtk_orientable_set_orientation (GTK_ORIENTABLE (layout), orientation);
+  pbar->orientation = orientation;
 
   if (orientation == GTK_ORIENTATION_HORIZONTAL)
     {
@@ -1001,9 +995,12 @@ gtk_progress_bar_set_orientation (GtkProgressBar *pbar,
       gtk_widget_set_valign (pbar->trough_widget, GTK_ALIGN_FILL);
     }
 
-  gtk_widget_update_orientation (GTK_WIDGET (pbar), orientation);
+  gtk_widget_update_orientation (GTK_WIDGET (pbar), pbar->orientation);
   update_node_classes (pbar);
 
+  layout = GTK_BOX_LAYOUT (gtk_widget_get_layout_manager (GTK_WIDGET (pbar)));
+  gtk_orientable_set_orientation (GTK_ORIENTABLE (layout), GTK_ORIENTATION_VERTICAL);
+
   g_object_notify (G_OBJECT (pbar), "orientation");
 }