[gtk+] Revert "popover: Add show/hide transition"

[Timm Bäder <baedert src gnome org>]

commit 9b83858d9a6d31a85641283fffcc7cf5bd7e7e86
Author: Timm Bäder <mail baedert org>
Date:   Mon Nov 17 18:39:00 2014 +0100

    Revert "popover: Add show/hide transition"
    
    This reverts commit 17f48e3a9e3623df2feb76dd209fe80b94b8b5c1.

 gtk/gtkpopover.c |  119 ++++--------------------------------------------------
 1 files changed, 8 insertions(+), 111 deletions(-)
---
diff --git a/gtk/gtkpopover.c b/gtk/gtkpopover.c
index 0523c61..550aa14 100644
--- a/gtk/gtkpopover.c
+++ b/gtk/gtkpopover.c
@@ -99,10 +99,8 @@
 #include "a11y/gtkpopoveraccessible.h"
 #include "gtkmenusectionbox.h"
 
-#define TAIL_GAP_WIDTH  24
-#define TAIL_HEIGHT     12
-#define TRANSITION_DIFF 10
-#define TRANSITION_DURATION 330 * 1000
+#define TAIL_GAP_WIDTH 24
+#define TAIL_HEIGHT    12
 
 #define POS_IS_VERTICAL(p) ((p) == GTK_POS_TOP || (p) == GTK_POS_BOTTOM)
 
@@ -141,11 +139,6 @@ struct _GtkPopoverPrivate
   guint button_pressed     : 1;
   guint apply_shape        : 1;
   guint grab_notify_blocked : 1;
-  gint64 start_time;
-  gint transition_diff;
-  gint start_transition_diff;
-  guint tick_id;
-
 };
 
 static GQuark quark_widget_popovers = 0;
@@ -167,7 +160,6 @@ gtk_popover_init (GtkPopover *popover)
   popover->priv = gtk_popover_get_instance_private (popover);
   popover->priv->modal = TRUE;
   popover->priv->apply_shape = TRUE;
-  popover->priv->tick_id = 0;
 
   context = gtk_widget_get_style_context (widget);
   gtk_style_context_add_class (context, GTK_STYLE_CLASS_BACKGROUND);
@@ -302,9 +294,6 @@ gtk_popover_realize (GtkWidget *widget)
   gtk_widget_set_realized (widget, TRUE);
 }
 
-
-
-
 static gboolean
 window_focus_in (GtkWidget  *widget,
                  GdkEvent   *event,
@@ -408,81 +397,7 @@ gtk_popover_apply_modality (GtkPopover *popover,
     }
 }
 
-
-
-/* From clutter-easing.c, based on Robert Penner's
- * infamous easing equations, MIT license.
- */
-static double
-ease_out_cubic (double t)
-{
-  double p = t - 1;
-  return p * p * p + 1;
-}
-
-
-static gboolean
-show_animate_cb (GtkWidget     *widget,
-                 GdkFrameClock *frame_clock,
-                 gpointer       user_data)
-{
-  GtkPopover *popover = GTK_POPOVER (widget);
-  GtkPopoverPrivate *priv = gtk_popover_get_instance_private (popover);
-  gint64 now = gdk_frame_clock_get_frame_time (frame_clock);
-  gdouble t;
-  gboolean hiding = (priv->start_transition_diff < 0);
-
-
-  if (now < (priv->start_time + TRANSITION_DURATION))
-    t = (now - priv->start_time) / (gdouble) (TRANSITION_DURATION);
-  else
-    t = 1.0;
-  t = ease_out_cubic (t);
-
-  if (hiding)
-    {
-      priv->transition_diff = (priv->start_transition_diff * t);
-      gtk_widget_set_opacity (widget, 1.0 - t);
-    }
-  else
-    {
-      priv->transition_diff = priv->start_transition_diff - (priv->start_transition_diff * t);
-      gtk_widget_set_opacity (widget, t);
-    }
-
-  gtk_widget_queue_resize (GTK_WIDGET (popover));
-
-
-  if (t >= 1.0)
-    {
-      priv->transition_diff = 0;
-      priv->tick_id = 0;
-      if (hiding)
-        {
-          g_object_notify (G_OBJECT (widget), "visible");
-          GTK_WIDGET_CLASS (gtk_popover_parent_class)->hide (widget);
-        }
-      return FALSE;
-    }
-
-  return TRUE;
-
-}
-
-
 static void
-gtk_popover_start_transition (GtkWidget *widget,
-                              gint       transition_diff)
-{
-  GtkPopoverPrivate *priv = GTK_POPOVER (widget)->priv;
-
-  priv->start_time = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
-  priv->start_transition_diff = transition_diff;
-   if (priv->tick_id == 0)
-     priv->tick_id = gtk_widget_add_tick_callback (widget, show_animate_cb, widget, NULL);
-}
-
-  static void
 gtk_popover_map (GtkWidget *widget)
 {
   GtkPopoverPrivate *priv = GTK_POPOVER (widget)->priv;
@@ -494,8 +409,6 @@ gtk_popover_map (GtkWidget *widget)
 
   if (priv->modal)
     gtk_popover_apply_modality (GTK_POPOVER (widget), TRUE);
-
-  gtk_popover_start_transition (widget, TRANSITION_DIFF);
 }
 
 static void
@@ -661,17 +574,17 @@ gtk_popover_get_gap_coords (GtkPopover      *popover,
   if (initial_x_out)
     *initial_x_out = initial_x;
   if (initial_y_out)
-    *initial_y_out = initial_y - priv->transition_diff;
+    *initial_y_out = initial_y;
 
   if (tip_x_out)
     *tip_x_out = tip_x;
   if (tip_y_out)
-    *tip_y_out = tip_y - priv->transition_diff;
+    *tip_y_out = tip_y;
 
   if (final_x_out)
     *final_x_out = final_x;
   if (final_y_out)
-    *final_y_out = final_y - priv->transition_diff;
+    *final_y_out = final_y;
 
   if (gap_side_out)
     *gap_side_out = gap_side;
@@ -711,11 +624,11 @@ gtk_popover_get_rect_coords (GtkPopover *popover,
   if (x1_out)
     *x1_out = x1;
   if (y1_out)
-    *y1_out = y1 - priv->transition_diff;
+    *y1_out = y1;
   if (x2_out)
     *x2_out = x2;
   if (y2_out)
-    *y2_out = y2 - priv->transition_diff;
+    *y2_out = y2;
 }
 
 static void
@@ -905,7 +818,6 @@ gtk_popover_draw (GtkWidget *widget,
                   cairo_t   *cr)
 {
   GtkPopover *popover = GTK_POPOVER (widget);
-  GtkPopoverPrivate *priv = popover->priv;
   GtkStyleContext *context;
   GtkAllocation allocation;
   GtkWidget *child;
@@ -975,7 +887,7 @@ gtk_popover_draw (GtkWidget *widget,
 
   /* Render the arrow background */
   gtk_render_background (context, cr,
-                         0, -priv->transition_diff,
+                         0, 0,
                          allocation.width, allocation.height);
 
   /* Render the border of the arrow tip */
@@ -1334,20 +1246,6 @@ gtk_popover_focus (GtkWidget        *widget,
   return TRUE;
 }
 
-static void
-gtk_popover_hide (GtkWidget *widget)
-{
-  GtkPopoverPrivate *priv = GTK_POPOVER (widget)->priv;
-
-  if (gtk_widget_get_mapped (widget) && priv->tick_id == 0)
-    {
-      gtk_popover_start_transition (widget, -TRANSITION_DIFF);
-    }
-  else
-    {
-      GTK_WIDGET_CLASS (gtk_popover_parent_class)->hide (widget);
-    }
-}
 
 static void
 gtk_popover_class_init (GtkPopoverClass *klass)
@@ -1374,7 +1272,6 @@ gtk_popover_class_init (GtkPopoverClass *klass)
   widget_class->key_press_event = gtk_popover_key_press;
   widget_class->grab_focus = gtk_popover_grab_focus;
   widget_class->focus = gtk_popover_focus;
-  widget_class->hide = gtk_popover_hide;
 
   /**
    * GtkPopover:relative-to: