[balsa/gtk4: 34/193] Use BALSA_USE_POPOVER=0 environment var




commit 38084580b898edd26371675e5ebdacb39432d6fd
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Sat Jun 13 11:42:06 2020 -0400

    Use BALSA_USE_POPOVER=0 environment var
    
    Use a BALSA_USE_POPOVER=0 environment variable to switch from GtkPopover back to GtkMenu.
    
    * libbalsa/libbalsa.c (libbalsa_use_popover):
    * libbalsa/libbalsa.h:
    * src/balsa-index.c (move_to_change_state), (bndx_popup_menu_create), (bndx_do_popup):
    * src/balsa-mblist.c (bmbl_do_popup):
    * src/balsa-message.c (balsa_headers_attachments_popup),
      (balsa_message_init), (tree_mult_selection_popup), (tree_button_press_cb),
      (display_content), (open_with_change_state), (copy_part_change_state),
      (part_create_menu):

 ChangeLog           | 14 ++++++++
 libbalsa/libbalsa.c | 18 ++++++++++
 libbalsa/libbalsa.h |  2 ++
 src/balsa-index.c   | 65 ++++++++++++++++++++++--------------
 src/balsa-mblist.c  | 37 +++++++++++++--------
 src/balsa-message.c | 96 ++++++++++++++++++++++++++++++++++++++---------------
 6 files changed, 168 insertions(+), 64 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index f8752d194..8e9ce3323 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -170,6 +170,20 @@
        * libbalsa/libbalsa-gpgme-cb.c (row_activated_cb),
        (lb_gpgme_select_key):
 
+       Use a BALSA_USE_POPOVER=0 environment variable to switch from
+       GtkPopover back to GtkMenu.
+
+       * libbalsa/libbalsa.c (libbalsa_use_popover):
+       * libbalsa/libbalsa.h:
+       * src/balsa-index.c (move_to_change_state),
+       (bndx_popup_menu_create), (bndx_do_popup):
+       * src/balsa-mblist.c (bmbl_do_popup):
+       * src/balsa-message.c (balsa_headers_attachments_popup),
+       (balsa_message_init), (tree_mult_selection_popup),
+       (tree_button_press_cb), (display_content),
+       (open_with_change_state), (copy_part_change_state),
+       (part_create_menu):
+
 2020-06-09  Peter Bloomfield  <pbloomfield bellsouth net>
 
        Various: restore filtering in a mailbox that is not currently
diff --git a/libbalsa/libbalsa.c b/libbalsa/libbalsa.c
index fe48f1a41..05e216ff2 100644
--- a/libbalsa/libbalsa.c
+++ b/libbalsa/libbalsa.c
@@ -745,3 +745,21 @@ libbalsa_dialog_flags(void)
 {
        return libbalsa_use_headerbar() ? GTK_DIALOG_USE_HEADER_BAR : (GtkDialogFlags) 0;
 }
+
+gboolean
+libbalsa_use_popover(void)
+{
+       static gboolean use_popover = TRUE;
+       static gint check_done = 0;
+
+       if (g_atomic_int_get(&check_done) == 0) {
+               const gchar *popover_env;
+
+               popover_env = g_getenv("BALSA_USE_POPOVER");
+               if ((popover_env != NULL) && (atoi(popover_env) == 0)) {
+                       use_popover = FALSE;
+               }
+               g_atomic_int_set(&check_done, 1);
+       }
+       return use_popover;
+}
diff --git a/libbalsa/libbalsa.h b/libbalsa/libbalsa.h
index 205da2510..76bdf2ed1 100644
--- a/libbalsa/libbalsa.h
+++ b/libbalsa/libbalsa.h
@@ -186,6 +186,8 @@ enum LibBalsaImageError {
 gboolean libbalsa_use_headerbar(void);
 GtkDialogFlags libbalsa_dialog_flags(void);
 
+gboolean libbalsa_use_popover(void);
+
 #if HAVE_GTKSOURCEVIEW
 GtkWidget *libbalsa_source_view_new(gboolean highlight_phrases);
 #endif                          /* HAVE_GTKSOURCEVIEW */
diff --git a/src/balsa-index.c b/src/balsa-index.c
index 72030d5e6..8b829592d 100644
--- a/src/balsa-index.c
+++ b/src/balsa-index.c
@@ -142,7 +142,7 @@ struct _BalsaIndex {
 
     /* the popup menu */
     GMenu *popup_menu;
-    GtkWidget *popup_popover;
+    GtkWidget *popup_widget;
     gint move_position;
 
     BalsaMailboxNode* mailbox_node;
@@ -2051,7 +2051,8 @@ move_to_change_state(GSimpleAction *action,
         }
     }
 
-    gtk_popover_popdown(GTK_POPOVER(bindex->popup_popover));
+    if (libbalsa_use_popover())
+        gtk_popover_popdown(GTK_POPOVER(bindex->popup_widget));
 }
 
 /*
@@ -2134,8 +2135,12 @@ bndx_popup_menu_create(BalsaIndex * bindex)
     g_object_unref(section);
 
     bindex->popup_menu = menu;
-    bindex->popup_popover = gtk_popover_new_from_model(GTK_WIDGET(bindex), G_MENU_MODEL(menu));
-    gtk_popover_set_position(GTK_POPOVER(bindex->popup_popover), GTK_POS_BOTTOM);
+    if (libbalsa_use_popover()) {
+        bindex->popup_widget = gtk_popover_new_from_model(GTK_WIDGET(bindex), G_MENU_MODEL(menu));
+        gtk_popover_set_position(GTK_POPOVER(bindex->popup_widget), GTK_POS_BOTTOM);
+    } else {
+        bindex->popup_widget = gtk_menu_new_from_model(G_MENU_MODEL(menu));
+    }
 }
 
 /* bndx_do_popup: common code for the popup menu;
@@ -2222,29 +2227,39 @@ bndx_do_popup(BalsaIndex * index, const GdkEvent *event)
     g_menu_insert_item(index->popup_menu, index->move_position, item);
     g_object_unref(item);
 
-    if (event != NULL &&
-        gdk_event_triggers_context_menu(event) &&
-        gdk_event_get_coords(event, &x, &y)) {
-        /* Pop up to the right of the pointer */
-        gtk_tree_view_convert_bin_window_to_widget_coords(GTK_TREE_VIEW(index),
-                                                          (gint) x,
-                                                          (gint) y,
-                                                          &allocation.x,
-                                                          &allocation.y);
-        allocation.width = 0;
-        allocation.height = 0;
+    if (libbalsa_use_popover()) {
+        if (event != NULL &&
+            gdk_event_triggers_context_menu(event) &&
+            gdk_event_get_coords(event, &x, &y)) {
+            /* Pop up to the right of the pointer */
+            gtk_tree_view_convert_bin_window_to_widget_coords(GTK_TREE_VIEW(index),
+                                                              (gint) x,
+                                                              (gint) y,
+                                                              &allocation.x,
+                                                              &allocation.y);
+            allocation.width = 0;
+            allocation.height = 0;
+        } else {
+            /* Pop up to the right of the "From" column */
+            gtk_widget_get_allocation(GTK_WIDGET(index), &allocation);
+            allocation.width = balsa_app.index_num_width +
+                               balsa_app.index_status_width +
+                               balsa_app.index_attachment_width +
+                               balsa_app.index_from_width;
+        }
+        gtk_popover_set_pointing_to(GTK_POPOVER(index->popup_widget),
+                                    (GdkRectangle *) &allocation);
+
+        gtk_popover_popup(GTK_POPOVER(index->popup_widget));
     } else {
-        /* Pop up to the right of the "From" column */
-        gtk_widget_get_allocation(GTK_WIDGET(index), &allocation);
-        allocation.width = balsa_app.index_num_width +
-                           balsa_app.index_status_width +
-                           balsa_app.index_attachment_width +
-                           balsa_app.index_from_width;
+        if (event != NULL) {
+            gtk_menu_popup_at_pointer(GTK_MENU(index->popup_widget), event);
+        } else {
+            gtk_menu_popup_at_widget(GTK_MENU(index->popup_widget), GTK_WIDGET(index),
+                                     GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER,
+                                     NULL);
+        }
     }
-    gtk_popover_set_pointing_to(GTK_POPOVER(index->popup_popover),
-                                (GdkRectangle *) &allocation);
-
-    gtk_popover_popup(GTK_POPOVER(index->popup_popover));
 }
 
 /* End of popup stuff */
diff --git a/src/balsa-mblist.c b/src/balsa-mblist.c
index 8d64e1700..3ea6607de 100644
--- a/src/balsa-mblist.c
+++ b/src/balsa-mblist.c
@@ -740,22 +740,33 @@ bmbl_do_popup(GtkTreeView    *tree_view,
 
     menu = balsa_mailbox_node_get_context_menu(mbnode, GTK_WIDGET(tree_view));
 
+    if (libbalsa_use_popover()) {
+        if (event != NULL &&
+            gdk_event_triggers_context_menu(event) &&
+            gdk_event_get_coords(event, &x, &y)) {
+            GdkRectangle rectangle;
+
+            /* Pop up above the pointer */
+            rectangle.x = (int) x;
+            rectangle.width = 0;
+            rectangle.y = (int) y;
+            rectangle.height = 0;
+            gtk_popover_set_pointing_to(GTK_POPOVER(menu), &rectangle);
+        }
 
-    if (event != NULL &&
-        gdk_event_triggers_context_menu(event) &&
-        gdk_event_get_coords(event, &x, &y)) {
-        GdkRectangle rectangle;
-
-        /* Pop up above the pointer */
-        rectangle.x = (int) x;
-        rectangle.width = 0;
-        rectangle.y = (int) y;
-        rectangle.height = 0;
-        gtk_popover_set_pointing_to(GTK_POPOVER(menu), &rectangle);
+        gtk_popover_popup(GTK_POPOVER(menu));
+    } else {
+        g_object_ref(menu);
+        g_object_ref_sink(menu);
+        if (event)
+            gtk_menu_popup_at_pointer(GTK_MENU(menu), (GdkEvent *) event);
+        else
+            gtk_menu_popup_at_widget(GTK_MENU(menu), GTK_WIDGET(tree_view),
+                                     GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER,
+                                     NULL);
+        g_object_unref(menu);
     }
 
-    gtk_popover_popup(GTK_POPOVER(menu));
-
     if (mbnode != NULL)
        g_object_unref(mbnode);
 }
diff --git a/src/balsa-message.c b/src/balsa-message.c
index 28c1675f9..b84e41567 100644
--- a/src/balsa-message.c
+++ b/src/balsa-message.c
@@ -239,8 +239,16 @@ balsa_message_class_init(BalsaMessageClass * klass)
 static void
 balsa_headers_attachments_popup(GtkButton * button, BalsaMessage * balsa_message)
 {
-    if (balsa_message->parts_popup != NULL)
-        gtk_popover_popup(GTK_POPOVER(balsa_message->parts_popup));
+    if (balsa_message->parts_popup != NULL) {
+        if (libbalsa_use_popover()) {
+            gtk_popover_popup(GTK_POPOVER(balsa_message->parts_popup));
+        } else {
+            gtk_menu_popup_at_widget(GTK_MENU(balsa_message->parts_popup),
+                                     GTK_WIDGET(balsa_message),
+                                     GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER,
+                                     NULL);
+        }
+    }
 }
 
 
@@ -993,8 +1001,12 @@ balsa_message_init(BalsaMessage * balsa_message)
                   "message-menu.save-selected");
     g_menu_append(menu, _("Save selected to folder…"),
                   "message-menu.save-selected-to-folder");
-    balsa_message->save_all_popup =
-        gtk_popover_new_from_model(balsa_message->treeview, G_MENU_MODEL(menu));
+    if (libbalsa_use_popover()) {
+        balsa_message->save_all_popup =
+            gtk_popover_new_from_model(balsa_message->treeview, G_MENU_MODEL(menu));
+    } else {
+        balsa_message->save_all_popup = gtk_menu_new_from_model(G_MENU_MODEL(menu));
+    }
     g_object_unref(menu);
 
     gtk_widget_show_all(GTK_WIDGET(balsa_message));
@@ -1143,7 +1155,10 @@ tree_mult_selection_popup(BalsaMessage     *balsa_message,
         popup_menu = balsa_message->save_all_popup;
     }
 
-    if (popup_menu != NULL) {
+    if (popup_menu == NULL)
+        return;
+
+    if (libbalsa_use_popover()) {
         gdouble x, y;
 
         if (event != NULL &&
@@ -1160,6 +1175,15 @@ tree_mult_selection_popup(BalsaMessage     *balsa_message,
         }
 
         gtk_popover_popup(GTK_POPOVER(popup_menu));
+    } else {
+        if (event != NULL) {
+            gtk_menu_popup_at_pointer(GTK_MENU(balsa_message->save_all_popup), event);
+        } else {
+            gtk_menu_popup_at_widget(GTK_MENU(balsa_message->save_all_popup),
+                                     GTK_WIDGET(balsa_message),
+                                     GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER,
+                                     NULL);
+        }
     }
 }
 
@@ -1224,17 +1248,21 @@ tree_button_press_cb(GtkGestureMultiPress *multi_press_gesture,
                 gtk_tree_model_get(model, &iter, PART_INFO_COLUMN, &info, -1);
                 if (info != NULL) {
                     if (info->popup_menu != NULL) {
-                        GdkRectangle rectangle;
-
-                        /* Pop up above the pointer */
-                        rectangle.x = (int) x;
-                        rectangle.width = 0;
-                        rectangle.y = (int) y;
-                        rectangle.height = 0;
-                        gtk_popover_set_pointing_to(GTK_POPOVER(info->popup_menu),
-                                                    &rectangle);
-
-                        gtk_popover_popup(GTK_POPOVER(info->popup_menu));
+                        if (libbalsa_use_popover()) {
+                            GdkRectangle rectangle;
+
+                            /* Pop up above the pointer */
+                            rectangle.x = (int) x;
+                            rectangle.width = 0;
+                            rectangle.y = (int) y;
+                            rectangle.height = 0;
+                            gtk_popover_set_pointing_to(GTK_POPOVER(info->popup_menu),
+                                                        &rectangle);
+
+                            gtk_popover_popup(GTK_POPOVER(info->popup_menu));
+                        } else {
+                            gtk_menu_popup_at_pointer(GTK_MENU(info->popup_menu), event);
+                        }
                     }
                     g_object_unref(info);
                 }
@@ -1753,13 +1781,22 @@ display_content(BalsaMessage * balsa_message)
 
     balsa_message->parts_menu = g_menu_new();
 
-    /* Detach any existing popup: */
-    if (balsa_message->parts_popup != NULL)
-       gtk_popover_set_relative_to(GTK_POPOVER(balsa_message->parts_popup), NULL);
+    if (libbalsa_use_popover()) {
+        /* Detach any existing popup: */
+        if (balsa_message->parts_popup != NULL)
+            gtk_popover_set_relative_to(GTK_POPOVER(balsa_message->parts_popup), NULL);
 
-    balsa_message->parts_popup =
-        gtk_popover_new_from_model(balsa_message->attach_button,
-                                   G_MENU_MODEL(balsa_message->parts_menu));
+        balsa_message->parts_popup =
+            gtk_popover_new_from_model(balsa_message->attach_button,
+                                       G_MENU_MODEL(balsa_message->parts_menu));
+    } else {
+        if (balsa_message->parts_popup)
+            g_object_unref(balsa_message->parts_popup);
+
+        balsa_message->parts_popup =
+            gtk_menu_new_from_model(G_MENU_MODEL(balsa_message->parts_menu));
+        g_object_ref_sink(balsa_message->parts_popup);
+    }
 
     /* Populate the parts-menu */
     display_parts(balsa_message, libbalsa_message_get_body_list(balsa_message->message), NULL, NULL);
@@ -1825,7 +1862,8 @@ open_with_change_state(GSimpleAction *action,
     balsa_mime_widget_ctx_menu_cb(app, info->body);
 
     g_simple_action_set_state(action, parameter);
-    gtk_popover_popdown(GTK_POPOVER(info->popup_menu));
+    if (libbalsa_use_popover())
+        gtk_popover_popdown(GTK_POPOVER(info->popup_menu));
 }
 
 static void
@@ -1844,7 +1882,8 @@ copy_part_change_state(GSimpleAction *action,
     }
 
     g_simple_action_set_state(action, parameter);
-    gtk_popover_popdown(GTK_POPOVER(info->popup_menu));
+    if (libbalsa_use_popover())
+        gtk_popover_popdown(GTK_POPOVER(info->popup_menu));
 }
 
 static void
@@ -1904,8 +1943,13 @@ part_create_menu(BalsaMessage *balsa_message, BalsaPartInfo *info)
     g_free(content_type);
     g_free(prefix);
 
-    info->popup_menu =
-        gtk_popover_new_from_model(balsa_message->treeview, G_MENU_MODEL(menu));
+    if (libbalsa_use_popover()) {
+        info->popup_menu =
+            gtk_popover_new_from_model(balsa_message->treeview, G_MENU_MODEL(menu));
+    } else {
+        info->popup_menu = gtk_menu_new_from_model(G_MENU_MODEL(menu));
+    }
+
     g_object_unref(menu);
 }
 


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