[gtk/wip/mjog/gtk-completion-show-on-complete-master] entry completion: Update popup visibility on manual complete



commit 3a10e2e862f61b850409f28d2dbeca3e87967401
Author: Michael Gratton <mike vee net>
Date:   Sat Jun 15 23:25:20 2019 +1000

    entry completion: Update popup visibility on manual complete
    
    Currently, calling `gtk_entry_completion_complete()` does not adjust
    the visbility of the popup used to show completion entries. This makes
    it difficlt to dynamically populate the model based on what is being
    entered into the completion's entry.
    
    For example, if the model is being populated from a database, and no
    matches have (yet) been added between typing a character and the 100ms
    delay before completion is automatically triggered, the popup will not
    be shown even after matches have been added.
    
    This patch simply moves the related code from the private timeout method
    to the public function and shuffles the position of some functions so as
    to keep the compiler happy.

 gtk/gtkentrycompletion.c | 136 +++++++++++++++++++++++------------------------
 1 file changed, 67 insertions(+), 69 deletions(-)
---
diff --git a/gtk/gtkentrycompletion.c b/gtk/gtkentrycompletion.c
index de68a66e43..555dbc1402 100644
--- a/gtk/gtkentrycompletion.c
+++ b/gtk/gtkentrycompletion.c
@@ -953,6 +953,39 @@ gtk_entry_completion_selection_changed (GtkTreeSelection *selection,
     }
 }
 
+static void
+gtk_entry_completion_popup (GtkEntryCompletion *completion)
+{
+  GtkText *text = gtk_entry_get_text_widget (GTK_ENTRY (completion->priv->entry));
+
+  if (gtk_widget_get_mapped (completion->priv->popup_window))
+    return;
+
+  if (!gtk_widget_get_mapped (GTK_WIDGET (text)))
+    return;
+
+  if (!gtk_widget_has_focus (GTK_WIDGET (text)))
+    return;
+
+  /* default on no match */
+  completion->priv->current_selected = -1;
+
+  gtk_widget_realize (completion->priv->popup_window);
+
+  _gtk_entry_completion_resize_popup (completion);
+
+  gtk_popover_popup (GTK_POPOVER (completion->priv->popup_window));
+}
+
+void
+_gtk_entry_completion_popdown (GtkEntryCompletion *completion)
+{
+  if (!gtk_widget_get_mapped (completion->priv->popup_window))
+    return;
+
+  gtk_popover_popdown (GTK_POPOVER (completion->priv->popup_window));
+}
+
 /* public API */
 
 /**
@@ -1158,23 +1191,44 @@ gtk_entry_completion_complete (GtkEntryCompletion *completion)
   g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
   g_return_if_fail (GTK_IS_ENTRY (completion->priv->entry));
 
-  if (!completion->priv->filter_model)
-    return;
+  if (completion->priv->filter_model)
+    {
+      gint matches;
+      gint actions;
+      gboolean popup_single;
 
-  g_free (completion->priv->case_normalized_key);
+      g_free (completion->priv->case_normalized_key);
 
-  tmp = g_utf8_normalize (gtk_editable_get_text (GTK_EDITABLE (completion->priv->entry)),
-                          -1, G_NORMALIZE_ALL);
-  completion->priv->case_normalized_key = g_utf8_casefold (tmp, -1);
-  g_free (tmp);
+      tmp = g_utf8_normalize (gtk_editable_get_text (GTK_EDITABLE (completion->priv->entry)),
+                              -1, G_NORMALIZE_ALL);
+      completion->priv->case_normalized_key = g_utf8_casefold (tmp, -1);
+      g_free (tmp);
 
-  gtk_tree_model_filter_refilter (completion->priv->filter_model);
+      gtk_tree_model_filter_refilter (completion->priv->filter_model);
 
-  if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (completion->priv->filter_model), &iter))
-    g_signal_emit (completion, entry_completion_signals[NO_MATCHES], 0);
+      if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (completion->priv->filter_model), &iter))
+        g_signal_emit (completion, entry_completion_signals[NO_MATCHES], 0);
+
+      if (gtk_widget_get_visible (completion->priv->popup_window))
+        _gtk_entry_completion_resize_popup (completion);
+
+      matches = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (completion->priv->filter_model), NULL);
+      actions = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (completion->priv->actions), NULL);
+
+      g_object_get (completion, "popup-single-match", &popup_single, NULL);
+      if ((matches > (popup_single ? 0: 1)) || actions > 0)
+        {
+          if (gtk_widget_get_visible (completion->priv->popup_window))
+            _gtk_entry_completion_resize_popup (completion);
+          else
+            gtk_entry_completion_popup (completion);
+        }
+      else
+        _gtk_entry_completion_popdown (completion);
+    }
+  else if (gtk_widget_get_visible (completion->priv->popup_window))
+    _gtk_entry_completion_popdown (completion);
 
-  if (gtk_widget_get_visible (completion->priv->popup_window))
-    _gtk_entry_completion_resize_popup (completion);
 }
 
 static void
@@ -1404,39 +1458,6 @@ _gtk_entry_completion_resize_popup (GtkEntryCompletion *completion)
   gtk_native_check_resize (GTK_NATIVE (completion->priv->popup_window));
 }
 
-static void
-gtk_entry_completion_popup (GtkEntryCompletion *completion)
-{
-  GtkText *text = gtk_entry_get_text_widget (GTK_ENTRY (completion->priv->entry));
-
-  if (gtk_widget_get_mapped (completion->priv->popup_window))
-    return;
-
-  if (!gtk_widget_get_mapped (GTK_WIDGET (text)))
-    return;
-
-  if (!gtk_widget_has_focus (GTK_WIDGET (text)))
-    return;
-
-  /* default on no match */
-  completion->priv->current_selected = -1;
-
-  gtk_widget_realize (completion->priv->popup_window);
-
-  _gtk_entry_completion_resize_popup (completion);
-
-  gtk_popover_popup (GTK_POPOVER (completion->priv->popup_window));
-}
-
-void
-_gtk_entry_completion_popdown (GtkEntryCompletion *completion)
-{
-  if (!gtk_widget_get_mapped (completion->priv->popup_window))
-    return;
-
-  gtk_popover_popdown (GTK_POPOVER (completion->priv->popup_window));
-}
-
 static gboolean
 gtk_entry_completion_match_selected (GtkEntryCompletion *completion,
                                      GtkTreeModel       *model,
@@ -1888,31 +1909,8 @@ gtk_entry_completion_timeout (gpointer data)
       g_utf8_strlen (gtk_editable_get_text (GTK_EDITABLE (completion->priv->entry)), -1)
       >= completion->priv->minimum_key_length)
     {
-      gint matches;
-      gint actions;
-      GtkTreeSelection *s;
-      gboolean popup_single;
-
-      gtk_entry_completion_complete (completion);
-      matches = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (completion->priv->filter_model), NULL);
       gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW 
(completion->priv->tree_view)));
-
-      s = gtk_tree_view_get_selection (GTK_TREE_VIEW (completion->priv->action_view));
-
-      gtk_tree_selection_unselect_all (s);
-
-      actions = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (completion->priv->actions), NULL);
-
-      g_object_get (completion, "popup-single-match", &popup_single, NULL);
-      if ((matches > (popup_single ? 0: 1)) || actions > 0)
-        {
-          if (gtk_widget_get_visible (completion->priv->popup_window))
-            _gtk_entry_completion_resize_popup (completion);
-          else
-            gtk_entry_completion_popup (completion);
-        }
-      else
-        _gtk_entry_completion_popdown (completion);
+      gtk_entry_completion_complete (completion);
     }
   else if (gtk_widget_get_visible (completion->priv->popup_window))
     _gtk_entry_completion_popdown (completion);


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