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[evolution] I#472 - Merge Contact window shown empty in certain situations

commit 6205daea45683303fc10c97d6fe35553c3f34006
Author: Milan Crha <mcrha redhat com>
Date:   Thu Jun 6 21:52:48 2019 +0200

    I#472 - Merge Contact window shown empty in certain situations
    
    Closes https://gitlab.gnome.org/GNOME/evolution/issues/472

 src/addressbook/gui/widgets/eab-contact-merging.c | 246 ++++++++++++----------
 1 file changed, 138 insertions(+), 108 deletions(-)
---
diff --git a/src/addressbook/gui/widgets/eab-contact-merging.c 
b/src/addressbook/gui/widgets/eab-contact-merging.c
index 8ef38703d2..b5b48fc2f1 100644
--- a/src/addressbook/gui/widgets/eab-contact-merging.c
+++ b/src/addressbook/gui/widgets/eab-contact-merging.c
@@ -52,13 +52,21 @@ im_fetch_set[] =
        E_CONTACT_IM_GOOGLE_TALK
 };
 
-typedef struct dropdown_data dropdown_data;
 typedef enum {
        E_CONTACT_MERGING_ADD,
        E_CONTACT_MERGING_COMMIT,
        E_CONTACT_MERGING_FIND
 } EContactMergingOpType;
 
+typedef struct _MergeDialogData {
+       GtkWidget *dialog;
+       GList *use_email_attr_list, *contact_email_attr_list, *match_email_attr_list;
+       GList *use_tel_attr_list, *contact_tel_attr_list, *match_tel_attr_list;
+       GList *use_im_attr_list, *contact_im_attr_list, *match_im_attr_list;
+       GList *use_sip_attr_list, *contact_sip_attr_list, *match_sip_attr_list;
+       gint row;
+} MergeDialogData;
+
 typedef struct {
        EContactMergingOpType op;
        ESourceRegistry *registry;
@@ -72,16 +80,19 @@ typedef struct {
        EABMergingIdAsyncCallback id_cb;
        EABMergingContactAsyncCallback c_cb;
        gpointer closure;
+
+       MergeDialogData *merge_dialog_data;
 } EContactMergingLookup;
 
-struct dropdown_data {
+typedef struct _dropdown_data {
        EContact *match;
        EContactField field;
 
        /* for E_CONTACT_EMAIL field */
        GList *email_attr_list_item;
        EVCardAttribute *email_attr;
-};
+} dropdown_data;
+
 static void match_query_callback (EContact *contact, EContact *match, EABContactMatchType type, gpointer 
closure);
 
 #define SIMULTANEOUS_MERGING_REQUESTS 20
@@ -90,6 +101,33 @@ static void match_query_callback (EContact *contact, EContact *match, EABContact
 static GList *merging_queue = NULL;
 static gint running_merge_requests = 0;
 
+static void
+merge_dialog_data_free (MergeDialogData *mdd)
+{
+       if (!mdd)
+               return;
+
+       gtk_widget_destroy (mdd->dialog);
+
+       g_list_free_full (mdd->match_email_attr_list, (GDestroyNotify) e_vcard_attribute_free);
+       g_list_free_full (mdd->contact_email_attr_list, (GDestroyNotify) e_vcard_attribute_free);
+       g_list_free (mdd->use_email_attr_list);
+
+       g_list_free_full (mdd->match_tel_attr_list, (GDestroyNotify) e_vcard_attribute_free);
+       g_list_free_full (mdd->contact_tel_attr_list, (GDestroyNotify) e_vcard_attribute_free);
+       g_list_free (mdd->use_tel_attr_list);
+
+       g_list_free_full (mdd->match_im_attr_list, (GDestroyNotify) e_vcard_attribute_free);
+       g_list_free_full (mdd->contact_im_attr_list, (GDestroyNotify) e_vcard_attribute_free);
+       g_list_free (mdd->use_im_attr_list);
+
+       g_list_free_full (mdd->match_sip_attr_list, (GDestroyNotify) e_vcard_attribute_free);
+       g_list_free_full (mdd->contact_sip_attr_list, (GDestroyNotify) e_vcard_attribute_free);
+       g_list_free (mdd->use_sip_attr_list);
+
+       g_free (mdd);
+}
+
 static void
 add_lookup (EContactMergingLookup *lookup)
 {
@@ -131,6 +169,7 @@ finished_lookup (void)
 static void
 free_lookup (EContactMergingLookup *lookup)
 {
+       merge_dialog_data_free (lookup->merge_dialog_data);
        g_object_unref (lookup->registry);
        g_object_unref (lookup->book_client);
        g_object_unref (lookup->contact);
@@ -235,6 +274,7 @@ add_contact_ready_cb (GObject *source_object,
 
        if (error != NULL)
                g_error_free (error);
+       g_free (uid);
 }
 
 static void
@@ -270,14 +310,14 @@ cancelit (EContactMergingLookup *lookup)
 static void
 dialog_map (GtkWidget *window,
             GdkEvent *event,
-            GtkWidget *table)
+            GtkWidget *grid)
 {
        GtkAllocation allocation;
        gint h, w;
 
-       gtk_widget_get_allocation (table, &allocation);
+       gtk_widget_get_allocation (grid, &allocation);
 
-       /* Spacing around the table */
+       /* Spacing around the grid */
        w = allocation.width + 30;
        /* buttons and outer spacing */
        h = allocation.height + 60;
@@ -305,7 +345,7 @@ dropdown_changed (GtkWidget *dropdown,
 
 static void
 attr_dropdown_changed (GtkWidget *dropdown,
-                        dropdown_data *data)
+                       dropdown_data *data)
 {
        gchar *str = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (dropdown));
 
@@ -344,14 +384,14 @@ remove_contact_ready_cb (GObject *source_object,
 }
 
 static void
-create_dropdowns_for_multival_attr(GList *match_attr_list,
-                                   GList *contact_attr_list,
-                                   GList **use_attr_list,
-                                   gint *row,
-                                   GtkTable *table,
-                                   const gchar * (*label_str) (EVCardAttribute*) )
+create_dropdowns_for_multival_attr (GList *match_attr_list,
+                                   GList *contact_attr_list,
+                                   GList **use_attr_list,
+                                   gint *row,
+                                   GtkGrid *grid,
+                                   const gchar * (*label_str) (EVCardAttribute*))
 {
-       GtkWidget *label, *hbox, *dropdown;
+       GtkWidget *label, *dropdown;
        GList *miter, *citer;
        GHashTable *match_attrs; /* attr in the 'match' contact from address book */
 
@@ -389,9 +429,7 @@ create_dropdowns_for_multival_attr(GList *match_attr_list,
 
                                (*row)++;
                                label = gtk_label_new (label_str (attr));
-                               hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-                               gtk_box_pack_start (GTK_BOX (hbox), (GtkWidget *) label, FALSE, FALSE, 0);
-                               gtk_table_attach_defaults (table, (GtkWidget *) hbox, 0, 1, *row, *row + 1);
+                               gtk_grid_attach (grid, label, 0, *row, 1, 1);
 
                                dropdown = gtk_combo_box_text_new ();
                                gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (dropdown), value);
@@ -401,6 +439,7 @@ create_dropdowns_for_multival_attr(GList *match_attr_list,
                                gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (dropdown), "");
 
                                gtk_combo_box_set_active (GTK_COMBO_BOX (dropdown), 0);
+
                                data->email_attr_list_item = g_list_last (*use_attr_list);
                                data->email_attr = attr;
 
@@ -409,10 +448,7 @@ create_dropdowns_for_multival_attr(GList *match_attr_list,
                                        G_CALLBACK (attr_dropdown_changed), data);
                                g_object_set_data_full (G_OBJECT (dropdown), 
"eab-contact-merging::dropdown-data", data, g_free);
 
-                               hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-                               gtk_box_pack_start (GTK_BOX (hbox), (GtkWidget *) dropdown, FALSE, FALSE, 0);
-                               gtk_table_attach_defaults (table, (GtkWidget *) hbox, 1, 2, *row, *row + 1);
-                               gtk_widget_show ((GtkWidget *) dropdown);
+                               gtk_grid_attach (grid, dropdown, 1, *row, 1, 1);
                        }
                }
                g_free (value);
@@ -435,45 +471,46 @@ set_attributes(EContact *contact, EContactField field, GList *use_attr_list)
        g_list_free (citer);
 }
 
-static gint
-mergeit (EContactMergingLookup *lookup)
+static MergeDialogData *
+merge_dialog_data_create (EContactMergingLookup *lookup,
+                         GtkWidget *parent)
 {
-       GtkWidget *scrolled_window, *label, *hbox, *dropdown;
+       GtkWidget *scrolled_window, *label, *dropdown;
        GtkWidget *content_area;
-       GtkWidget *dialog;
-       GtkTable *table;
+       GtkGrid *grid;
        EContactField field;
        gchar *string = NULL, *string1 = NULL;
-       GList *use_email_attr_list, *contact_email_attr_list, *match_email_attr_list;
-       GList *use_tel_attr_list, *contact_tel_attr_list, *match_tel_attr_list;
-       GList *use_im_attr_list, *contact_im_attr_list, *match_im_attr_list;
-       GList *use_sip_attr_list, *contact_sip_attr_list, *match_sip_attr_list;
-       gint row = -1;
-       gint value = 0, result;
+       MergeDialogData *mdd;
+
+       mdd = g_new0 (MergeDialogData, 1);
+       mdd->row = -1;
 
-       dialog = gtk_dialog_new ();
-       gtk_window_set_title (GTK_WINDOW (dialog), _("Merge Contact"));
-       gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+       mdd->dialog = gtk_dialog_new ();
+       gtk_window_set_title (GTK_WINDOW (mdd->dialog), _("Merge Contact"));
+       gtk_container_set_border_width (GTK_CONTAINER (mdd->dialog), 5);
+       if (GTK_IS_WINDOW (parent))
+               gtk_window_set_transient_for (GTK_WINDOW (mdd->dialog), GTK_WINDOW (parent));
 
-       content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
+       content_area = gtk_dialog_get_content_area (GTK_DIALOG (mdd->dialog));
 
        scrolled_window = gtk_scrolled_window_new (NULL, NULL);
        gtk_scrolled_window_set_policy (
                GTK_SCROLLED_WINDOW (scrolled_window),
                GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 
-       table = (GtkTable *) gtk_table_new (20, 2, FALSE);
-       gtk_container_set_border_width ((GtkContainer *) table, 12);
-       gtk_table_set_row_spacings (table, 6);
-       gtk_table_set_col_spacings (table, 2);
+       grid = GTK_GRID (gtk_grid_new ());
+       g_object_set (G_OBJECT (grid),
+               "border-width", 12,
+               "row-spacing", 6,
+               "column-spacing", 2,
+               NULL);
 
        gtk_dialog_add_buttons (
-               GTK_DIALOG (dialog),
+               GTK_DIALOG (mdd->dialog),
                _("_Cancel"), GTK_RESPONSE_CANCEL,
                _("_Merge"), GTK_RESPONSE_OK,
                NULL);
 
-
        /*we match all the string fields of the already existing contact and the new contact.*/
        for (field = E_CONTACT_FULL_NAME; field != (E_CONTACT_LAST_SIMPLE_STRING -1); field++) {
                dropdown_data *data = NULL;
@@ -490,11 +527,9 @@ mergeit (EContactMergingLookup *lookup)
                        }
 
                        if (!(string1 && *string1) || (g_ascii_strcasecmp (string, string1))) {
-                               row++;
+                               mdd->row++;
                                label = gtk_label_new (e_contact_pretty_name (field));
-                               hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-                               gtk_box_pack_start (GTK_BOX (hbox), (GtkWidget *) label, FALSE, FALSE, 0);
-                               gtk_table_attach_defaults (table, (GtkWidget *) hbox, 0, 1, row, row + 1);
+                               gtk_grid_attach (grid, label, 0, mdd->row, 1, 1);
                                data = g_new0 (dropdown_data, 1);
                                dropdown = gtk_combo_box_text_new ();
                                gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (dropdown), string);
@@ -517,61 +552,73 @@ mergeit (EContactMergingLookup *lookup)
                                else
                                        gtk_combo_box_set_active (GTK_COMBO_BOX (dropdown), 0);
 
-                               hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-                               gtk_box_pack_start (GTK_BOX (hbox), (GtkWidget *) dropdown, FALSE, FALSE, 0);
-                               gtk_table_attach_defaults (table, (GtkWidget *) hbox, 1, 2, row, row + 1);
-                               gtk_widget_show_all ((GtkWidget *) dropdown);
+                               gtk_grid_attach (grid, dropdown, 1, mdd->row, 1, 1);
                        }
                }
        }
 
-       match_email_attr_list = e_contact_get_attributes (lookup->match, E_CONTACT_EMAIL);
-       contact_email_attr_list = e_contact_get_attributes (lookup->contact, E_CONTACT_EMAIL);
-       use_email_attr_list = NULL;
-       create_dropdowns_for_multival_attr (match_email_attr_list, contact_email_attr_list,
-                                          &use_email_attr_list, &row, table, eab_get_email_label_text);
-
-       match_tel_attr_list = e_contact_get_attributes (lookup->match, E_CONTACT_TEL);
-       contact_tel_attr_list = e_contact_get_attributes (lookup->contact, E_CONTACT_TEL);
-       use_tel_attr_list = NULL;
-       create_dropdowns_for_multival_attr (match_tel_attr_list, contact_tel_attr_list,
-                                          &use_tel_attr_list, &row, table, eab_get_phone_label_text);
-
-       match_sip_attr_list = e_contact_get_attributes (lookup->match, E_CONTACT_SIP);
-       contact_sip_attr_list = e_contact_get_attributes (lookup->contact, E_CONTACT_SIP);
-       use_sip_attr_list = NULL;
-       create_dropdowns_for_multival_attr (match_sip_attr_list, contact_sip_attr_list,
-                                          &use_sip_attr_list, &row, table, eab_get_sip_label_text);
-
-       match_im_attr_list = e_contact_get_attributes_set (lookup->match, im_fetch_set, G_N_ELEMENTS 
(im_fetch_set));
-       contact_im_attr_list = e_contact_get_attributes_set (lookup->contact, im_fetch_set, G_N_ELEMENTS 
(im_fetch_set));
-       use_im_attr_list = NULL;
-       create_dropdowns_for_multival_attr (match_im_attr_list, contact_im_attr_list,
-                                          &use_im_attr_list, &row, table, eab_get_im_label_text);
-
-       gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 300);
-       gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_window), GTK_WIDGET (table));
+       mdd->match_email_attr_list = e_contact_get_attributes (lookup->match, E_CONTACT_EMAIL);
+       mdd->contact_email_attr_list = e_contact_get_attributes (lookup->contact, E_CONTACT_EMAIL);
+       mdd->use_email_attr_list = NULL;
+       create_dropdowns_for_multival_attr (mdd->match_email_attr_list, mdd->contact_email_attr_list,
+                                          &(mdd->use_email_attr_list), &(mdd->row), grid, 
eab_get_email_label_text);
+
+       mdd->match_tel_attr_list = e_contact_get_attributes (lookup->match, E_CONTACT_TEL);
+       mdd->contact_tel_attr_list = e_contact_get_attributes (lookup->contact, E_CONTACT_TEL);
+       mdd->use_tel_attr_list = NULL;
+       create_dropdowns_for_multival_attr (mdd->match_tel_attr_list, mdd->contact_tel_attr_list,
+                                          &(mdd->use_tel_attr_list), &(mdd->row), grid, 
eab_get_phone_label_text);
+
+       mdd->match_sip_attr_list = e_contact_get_attributes (lookup->match, E_CONTACT_SIP);
+       mdd->contact_sip_attr_list = e_contact_get_attributes (lookup->contact, E_CONTACT_SIP);
+       mdd->use_sip_attr_list = NULL;
+       create_dropdowns_for_multival_attr (mdd->match_sip_attr_list, mdd->contact_sip_attr_list,
+                                          &(mdd->use_sip_attr_list), &(mdd->row), grid, 
eab_get_sip_label_text);
+
+       mdd->match_im_attr_list = e_contact_get_attributes_set (lookup->match, im_fetch_set, G_N_ELEMENTS 
(im_fetch_set));
+       mdd->contact_im_attr_list = e_contact_get_attributes_set (lookup->contact, im_fetch_set, G_N_ELEMENTS 
(im_fetch_set));
+       mdd->use_im_attr_list = NULL;
+       create_dropdowns_for_multival_attr (mdd->match_im_attr_list, mdd->contact_im_attr_list,
+                                          &(mdd->use_im_attr_list), &(mdd->row), grid, 
eab_get_im_label_text);
+
+       gtk_window_set_default_size (GTK_WINDOW (mdd->dialog), 420, 300);
+       gtk_container_add (GTK_CONTAINER (scrolled_window), GTK_WIDGET (grid));
        gtk_box_pack_start (GTK_BOX (content_area), GTK_WIDGET (scrolled_window), TRUE, TRUE, 0);
        gtk_widget_show (scrolled_window);
        g_signal_connect (
-               dialog, "map-event",
-               G_CALLBACK (dialog_map), table);
-       gtk_widget_show_all ((GtkWidget *) table);
-       result = gtk_dialog_run (GTK_DIALOG (dialog));
+               mdd->dialog, "map-event",
+               G_CALLBACK (dialog_map), grid);
+       gtk_widget_show_all (GTK_WIDGET (grid));
+
+       return mdd;
+}
+
+static gint
+mergeit (EContactMergingLookup *lookup,
+        GtkWidget *parent)
+{
+       GList *ll;
+       gint value = 0, result, ii;
+
+       if (!lookup->merge_dialog_data)
+               lookup->merge_dialog_data = merge_dialog_data_create (lookup, parent);
+
+       if (lookup->merge_dialog_data->row == -1)
+               result = GTK_RESPONSE_OK;
+       else
+               result = gtk_dialog_run (GTK_DIALOG (lookup->merge_dialog_data->dialog));
 
        switch (result) {
-               gint ii;
-               GList *ll;
        case GTK_RESPONSE_OK:
-               set_attributes (lookup->match, E_CONTACT_EMAIL, use_email_attr_list);
-               set_attributes (lookup->match, E_CONTACT_TEL, use_tel_attr_list);
-               set_attributes (lookup->match, E_CONTACT_SIP, use_sip_attr_list);
+               set_attributes (lookup->match, E_CONTACT_EMAIL, 
lookup->merge_dialog_data->use_email_attr_list);
+               set_attributes (lookup->match, E_CONTACT_TEL, lookup->merge_dialog_data->use_tel_attr_list);
+               set_attributes (lookup->match, E_CONTACT_SIP, lookup->merge_dialog_data->use_sip_attr_list);
 
                for (ii = 0; ii < G_N_ELEMENTS (im_fetch_set); ii++) {
                        e_contact_set_attributes (lookup->match, im_fetch_set[ii], NULL);
                }
 
-               for (ll = use_im_attr_list; ll; ll = ll->next) {
+               for (ll = lookup->merge_dialog_data->use_im_attr_list; ll; ll = ll->next) {
                        EVCard *vcard;
                        vcard = E_VCARD (lookup->match);
                        e_vcard_append_attribute (vcard, e_vcard_attribute_copy ((EVCardAttribute *) 
ll->data));
@@ -590,23 +637,7 @@ mergeit (EContactMergingLookup *lookup)
                value = 0;
                break;
        }
-       gtk_widget_destroy (dialog);
-
-       g_list_free_full (match_email_attr_list, (GDestroyNotify) e_vcard_attribute_free);
-       g_list_free_full (contact_email_attr_list, (GDestroyNotify) e_vcard_attribute_free);
-       g_list_free (use_email_attr_list);
-
-       g_list_free_full (match_tel_attr_list, (GDestroyNotify) e_vcard_attribute_free);
-       g_list_free_full (contact_tel_attr_list, (GDestroyNotify) e_vcard_attribute_free);
-       g_list_free (use_tel_attr_list);
-
-       g_list_free_full (match_im_attr_list, (GDestroyNotify) e_vcard_attribute_free);
-       g_list_free_full (contact_im_attr_list, (GDestroyNotify) e_vcard_attribute_free);
-       g_list_free (use_im_attr_list);
-
-       g_list_free_full (match_sip_attr_list, (GDestroyNotify) e_vcard_attribute_free);
-       g_list_free_full (contact_sip_attr_list, (GDestroyNotify) e_vcard_attribute_free);
-       g_list_free (use_sip_attr_list);
+       gtk_widget_hide (lookup->merge_dialog_data->dialog);
 
        return value;
 }
@@ -634,7 +665,6 @@ check_if_same (EContact *contact,
 
                        if (num_of_email1 != num_of_email2) {
                                res = FALSE;
-                               break;
                        } else { /* Do pairwise-comparisons on all of the e-mail addresses. */
                                iter1 = email_attr_list1;
                                while (iter1) {
@@ -882,7 +912,7 @@ response (GtkWidget *dialog,
                cancelit (lookup);
                break;
        case GTK_RESPONSE_APPLY:
-               if (mergeit (lookup))
+               if (mergeit (lookup, dialog))
                        break;
                return;
        case GTK_RESPONSE_DELETE_EVENT:
@@ -961,7 +991,7 @@ eab_merging_book_add_contact (ESourceRegistry *registry,
 
        g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), FALSE);
 
-       lookup = g_new (EContactMergingLookup, 1);
+       lookup = g_new0 (EContactMergingLookup, 1);
 
        lookup->op = E_CONTACT_MERGING_ADD;
        lookup->registry = g_object_ref (registry);
@@ -988,7 +1018,7 @@ eab_merging_book_modify_contact (ESourceRegistry *registry,
 
        g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), FALSE);
 
-       lookup = g_new (EContactMergingLookup, 1);
+       lookup = g_new0 (EContactMergingLookup, 1);
 
        lookup->op = E_CONTACT_MERGING_COMMIT;
        lookup->registry = g_object_ref (registry);
@@ -1013,7 +1043,7 @@ eab_merging_book_find_contact (ESourceRegistry *registry,
 {
        EContactMergingLookup *lookup;
 
-       lookup = g_new (EContactMergingLookup, 1);
+       lookup = g_new0 (EContactMergingLookup, 1);
 
        lookup->op = E_CONTACT_MERGING_FIND;
        lookup->registry = g_object_ref (registry);
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