[balsa/popover: 50/63] balsa-message: Use a GtkMenuButton for attachments



commit 555a20b0183d05ab19886677fc79e00934b0fff8
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Jun 22 18:17:53 2020 -0400

    balsa-message: Use a GtkMenuButton for attachments

 src/balsa-message.c | 36 +++++++++++++++++-------------------
 1 file changed, 17 insertions(+), 19 deletions(-)
---
diff --git a/src/balsa-message.c b/src/balsa-message.c
index b7fe9b705..afe1dfba1 100644
--- a/src/balsa-message.c
+++ b/src/balsa-message.c
@@ -237,13 +237,6 @@ balsa_message_class_init(BalsaMessageClass * klass)
 
 /* Helpers for balsa_message_init. */
 
-static void
-balsa_headers_attachments_popup(GtkButton * button, BalsaMessage * balsa_message)
-{
-    if (balsa_message->parts_popup != NULL)
-        libbalsa_popup_widget_popup(balsa_message->parts_popup, NULL);
-}
-
 
 /* Note: this function returns a NULL-terminated array of buttons for a top-level headers widget.  
Currently, we return just a
  * single item (the button for showing the menu for switching between attachments) so we /could/ change the 
return type to
@@ -253,28 +246,24 @@ bm_header_tl_buttons(BalsaMessage * balsa_message)
 {
     GPtrArray *array;
     GtkWidget *button;
+    GtkWidget *image;
     GtkEventController *key_controller;
 
     array = g_ptr_array_new();
 
-    balsa_message->attach_button = button =
-        gtk_button_new_from_icon_name(balsa_icon_id(BALSA_PIXMAP_ATTACHMENT),
-                                      GTK_ICON_SIZE_BUTTON);
-    gtk_widget_set_tooltip_text(button,
-                               _("Select message part to display"));
+    balsa_message->attach_button = button = gtk_menu_button_new();
+    gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
+
+    image = gtk_image_new_from_icon_name(balsa_icon_id(BALSA_PIXMAP_ATTACHMENT), GTK_ICON_SIZE_BUTTON);
+    gtk_container_add(GTK_CONTAINER(button), image);
+
+    gtk_widget_set_tooltip_text(button, _("Select message part to display"));
 
     key_controller = gtk_event_controller_key_new(button);
     g_signal_connect(key_controller, "focus-in",
                     G_CALLBACK(balsa_mime_widget_limit_focus), balsa_message);
     g_signal_connect(key_controller, "focus-out",
                     G_CALLBACK(balsa_mime_widget_unlimit_focus), balsa_message);
-    gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
-    g_signal_connect(button, "clicked",
-                    G_CALLBACK(balsa_headers_attachments_popup), balsa_message);
-
-    key_controller = gtk_event_controller_key_new(button);
-    g_signal_connect(key_controller, "key-pressed",
-                    G_CALLBACK(balsa_mime_widget_key_pressed), balsa_message);
 
     g_ptr_array_add(array, button);
 
@@ -1738,6 +1727,15 @@ display_content(BalsaMessage * balsa_message)
                                                            G_MENU_MODEL(balsa_message->parts_menu),
                                                            "message-menu");
 
+    if (GTK_IS_POPOVER(balsa_message->parts_popup)) {
+        gtk_menu_button_set_popover(GTK_MENU_BUTTON(balsa_message->attach_button),
+                                    balsa_message->parts_popup);
+    } else {
+        gtk_menu_detach(GTK_MENU(g_object_ref(balsa_message->parts_popup)));
+        gtk_menu_button_set_popup(GTK_MENU_BUTTON(balsa_message->attach_button),
+                                  balsa_message->parts_popup);
+    }
+
     /* Populate the parts-menu */
     display_parts(balsa_message, libbalsa_message_get_body_list(balsa_message->message), NULL, NULL);
     g_clear_object(&balsa_message->parts_menu);


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