On Mon, 7 Oct 2019 18:12:05 +0100
Stuart Henderson <s...@spacehopper.org> wrote:

> On 2019/10/07 18:56, Robert Klein wrote:
> > claws-mail 3.17.4 breaks copy-pasting from emacs-gtk3.
> > 
> > When I copy from Emacs (both mouse and M-y) and try to insert in a
> > compose window of claws-mail 3.17.4 (both mouse and CTRL-v), I get an
> > error message in Emacs “Selection owner couldn't convert: MULTIPLE”
> > 
> > 
> > Copy-pasting works when I revert this commit to claws-mail:
> > 
> > 
> > Compose: handle pasted images and text/uri-list (files) and attach them
> > author      Colin Leroy <co...@colino.net>  
> >     Sun, 7 Jul 2019 10:43:45 +0200 (10:43 +0200)
> > committer   Colin Leroy <co...@colino.net>  
> >     Sun, 7 Jul 2019 10:43:45 +0200 (10:43 +0200)
> > commit      66fccde959a1b4addee971412b35d4b51d8272b1
> > tree        0ab62e3d16d12bd4b9aceecc9c200493bc44d76d
> > parent      42eaffb250b3f53712e2be0eb7a5b8d26cfc7c10
> 
> Also mentioned in 
> https://lists.claws-mail.org/pipermail/users/2019-August/024590.html
> 
> I suggest reporting it to upstream bugzilla:
> https://www.thewildbeast.co.uk/claws-mail/bugzilla/
> 

Hi.

there was a commit that adressed the copy from Emacs issue
https://git.claws-mail.org/?p=claws.git;a=commit;h=b910146ff51f32e9501fb4ad5537a47ceb06f154

But even better 7 days ago they reverted the main culprit
https://git.claws-mail.org/?p=claws.git;a=commit;h=6759b5272b412a467098d7699c767b8611cde1fd
>revert pasting images as attachments 66fccde959a1b4addee971412b35d4b51d8272b1
>
>it breaks too many basic and previously working paste actions

I have backported that commit and lightly tested with my limited use cases.
Works for me and also masks the problem I had with copy&paste
https://marc.info/?l=openbsd-bugs&m=157842725819911&w=2


Index: Makefile
===================================================================
RCS file: /cvs/ports/mail/claws-mail/Makefile,v
retrieving revision 1.124
diff -u -p -r1.124 Makefile
--- Makefile    15 Dec 2019 18:36:18 -0000      1.124
+++ Makefile    7 Jan 2020 21:24:42 -0000
@@ -14,7 +14,7 @@ PKGNAME-spamassassin= claws-mail-spamass
 PKGNAME-pdfviewer=     claws-mail-pdfviewer-${V}
 PKGNAME-gdata=         claws-mail-gdata-${V}
 
-REVISION-main=         1
+REVISION-main=         2
 REVISION-pdfviewer=    0
 REVISION-gdata=                0
 
Index: patches/patch-src_compose_c
===================================================================
RCS file: patches/patch-src_compose_c
diff -N patches/patch-src_compose_c
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ patches/patch-src_compose_c 7 Jan 2020 21:22:26 -0000
@@ -0,0 +1,276 @@
+$OpenBSD$
+
+Index: src/compose.c
+--- src/compose.c.orig
++++ src/compose.c
+@@ -10897,196 +10897,58 @@ static void entry_copy_clipboard(GtkWidget *entry)
+                       gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
+ }
+ 
+-static void paste_text(Compose *compose, GtkWidget *entry,
+-                     gboolean wrap, GdkAtom clip, GtkTextIter *insert_place,
+-                     const gchar *contents)
+-{
+-      GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(entry));
+-      GtkTextMark *mark_start = gtk_text_buffer_get_insert(buffer);
+-      GtkTextIter start_iter, end_iter;
+-      gint start, end;
+-
+-      if (contents == NULL)
+-              return;
+-
+-      /* we shouldn't delete the selection when middle-click-pasting, or we
+-       * can't mid-click-paste our own selection */
+-      if (clip != GDK_SELECTION_PRIMARY) {
+-              undo_paste_clipboard(GTK_TEXT_VIEW(compose->text), 
compose->undostruct);
+-              gtk_text_buffer_delete_selection(buffer, FALSE, TRUE);
+-      }
+-
+-      if (insert_place == NULL) {
+-              /* if insert_place isn't specified, insert at the cursor.
+-               * used for Ctrl-V pasting */
+-              gtk_text_buffer_get_iter_at_mark(buffer, &start_iter, 
mark_start);
+-              start = gtk_text_iter_get_offset(&start_iter);
+-              gtk_text_buffer_insert(buffer, &start_iter, contents, 
strlen(contents));
+-      } else {
+-              /* if insert_place is specified, paste here.
+-               * used for mid-click-pasting */
+-              start = gtk_text_iter_get_offset(insert_place);
+-              gtk_text_buffer_insert(buffer, insert_place, contents, 
strlen(contents));
+-              if (prefs_common.primary_paste_unselects)
+-                      gtk_text_buffer_select_range(buffer, insert_place, 
insert_place);
+-      }
+-
+-      if (!wrap) {
+-              /* paste unwrapped: mark the paste so it's not wrapped later */
+-              end = start + strlen(contents);
+-              gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
+-              gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
+-              gtk_text_buffer_apply_tag_by_name(buffer, "no_wrap", 
&start_iter, &end_iter);
+-      } else if (wrap && clip == GDK_SELECTION_PRIMARY) {
+-              /* rewrap paragraph now (after a mid-click-paste) */
+-              mark_start = gtk_text_buffer_get_insert(buffer);
+-              gtk_text_buffer_get_iter_at_mark(buffer, &start_iter, 
mark_start);
+-              gtk_text_iter_backward_char(&start_iter);
+-              compose_beautify_paragraph(compose, &start_iter, TRUE);
+-      }
+-      compose->modified = TRUE;
+-}
+-
+-static void attach_uri_list(Compose *compose, GtkSelectionData *data)
+-{
+-      GList *list, *tmp;
+-      int att = 0;
+-      gchar *warn_files = NULL;
+-
+-      list = uri_list_extract_filenames(
+-              (const gchar *)gtk_selection_data_get_data(data));
+-      for (tmp = list; tmp != NULL; tmp = tmp->next) {
+-              gchar *utf8_filename = conv_filename_to_utf8((const gchar 
*)tmp->data);
+-              gchar *tmp_f = g_strdup_printf("%s%s\n",
+-                              warn_files?warn_files:"",
+-                              utf8_filename);
+-              g_free(warn_files);
+-              warn_files = tmp_f;
+-              att++;
+-              compose_attach_append
+-                      (compose, (const gchar *)tmp->data,
+-                       utf8_filename, NULL, NULL);
+-              g_free(utf8_filename);
+-      }
+-      if (list) {
+-              compose_changed_cb(NULL, compose);
+-              alertpanel_notice(ngettext(
+-                      "The following file has been attached: \n%s",
+-                      "The following files have been attached: \n%s", att), 
warn_files);
+-              g_free(warn_files);
+-      }
+-      list_free_strings_full(list);
+-}
+-
+-int attach_image(Compose *compose, GtkSelectionData *data, const gchar 
*subtype)
+-{
+-      FILE *fp;
+-      const guchar *contents;
+-      gchar *file;
+-      gchar *type;
+-      size_t len;
+-      int r;
+-
+-      cm_return_val_if_fail(data != NULL, -1);
+-
+-      contents = gtk_selection_data_get_data(data);
+-      len = gtk_selection_data_get_length(data);
+-
+-      file = g_strconcat(get_tmp_file(), "-image.", subtype, NULL);
+-
+-      debug_print("writing image to %s\n", file);
+-
+-      if ((fp = claws_fopen(file, "wb")) == NULL) {
+-              FILE_OP_ERROR(file, "claws_fopen");
+-              return -1;
+-      }
+-
+-      if (claws_fwrite(contents, 1, len, fp) != len) {
+-              FILE_OP_ERROR(file, "claws_fwrite");
+-              claws_fclose(fp);
+-              claws_unlink(file);
+-              return -1;
+-      }
+-
+-      r = claws_safe_fclose(fp);
+-
+-      if (r == EOF) {
+-              FILE_OP_ERROR(file, "claws_fclose");
+-              claws_unlink(file);
+-              return -1;
+-      }
+-
+-      type = g_strconcat("image/", subtype, NULL);
+-
+-      compose_attach_append(compose, (const gchar *)file, 
+-              (const gchar *)file, type, NULL);
+-
+-      alertpanel_notice(_("The pasted image has been attached as: \n%s"), 
file);
+-
+-      g_free(file);
+-      g_free(type);
+-
+-      return 0;
+-}
+-
+ static void entry_paste_clipboard(Compose *compose, GtkWidget *entry, 
+-                                gboolean wrap, GdkAtom clip, GtkTextIter 
*insert_place)
++                                 gboolean wrap, GdkAtom clip, GtkTextIter 
*insert_place)
+ {
+-      if (GTK_IS_TEXT_VIEW(entry)) {
+-              GdkAtom types = gdk_atom_intern ("TARGETS", FALSE);
+-              GdkAtom *targets = NULL;
+-              int n_targets = 0, i;
+-              gboolean paste_done = FALSE;
+-              GtkClipboard *clipboard = gtk_clipboard_get(clip);
+-
+-              GtkSelectionData *contents = gtk_clipboard_wait_for_contents(
+-                                              clipboard, types);
+-
+-              if (contents != NULL) {
+-                      gtk_selection_data_get_targets(contents, &targets, 
&n_targets);
+-                      gtk_selection_data_free(contents);
++       if (GTK_IS_TEXT_VIEW(entry)) {
++               GtkTextBuffer *buffer = 
gtk_text_view_get_buffer(GTK_TEXT_VIEW(entry));
++               GtkTextMark *mark_start = gtk_text_buffer_get_insert(buffer);
++               GtkTextIter start_iter, end_iter;
++               gint start, end;
++               gchar *contents = 
gtk_clipboard_wait_for_text(gtk_clipboard_get(clip));
++ 
++               if (contents == NULL)
++                       return;
++       
++               /* we shouldn't delete the selection when 
middle-click-pasting, or we
++                * can't mid-click-paste our own selection */
++               if (clip != GDK_SELECTION_PRIMARY) {
++                       undo_paste_clipboard(GTK_TEXT_VIEW(compose->text), 
compose->undostruct);
++                       gtk_text_buffer_delete_selection(buffer, FALSE, TRUE);
+               }
+ 
+-              for (i = 0; i < n_targets; i++) {
+-                      GdkAtom atom = targets[i];
+-                      gchar *atom_type = gdk_atom_name(atom);
+-
+-                      if (atom_type != NULL) {
+-                              GtkSelectionData *data = 
gtk_clipboard_wait_for_contents(
+-                                              clipboard, atom);
+-                              debug_print("got contents of type %s\n", 
atom_type);
+-                              if (!strcmp(atom_type, "text/plain")) {
+-                                      /* let the default text handler handle 
it */
+-                    break;
+-                              } else if (!strcmp(atom_type, "text/uri-list")) 
{
+-                                      attach_uri_list(compose, data);
+-
+-                                      paste_done = TRUE;
+-                                      break;
+-                              } else if (!strncmp(atom_type, "image/", 
strlen("image/"))) {
+-                                      gchar *subtype = g_strdup((gchar 
*)(strstr(atom_type, "/")+1));
+-                                      debug_print("image of type %s\n", 
subtype);
+-
+-                                      attach_image(compose, data, subtype);
+-                                      g_free(subtype);
+-
+-                                      paste_done = TRUE;
+-                                      break;
+-                              }
+-                      }
+-              }
+-              if (!paste_done) {
+-                      gchar *def_text = 
gtk_clipboard_wait_for_text(clipboard);
+-                      paste_text(compose, entry, wrap, clip,
+-                                 insert_place, def_text);
+-                      g_free(def_text);
+-              }
+-              g_free(targets);
+-
+-      } else if (GTK_IS_EDITABLE(entry)) {
++               if (insert_place == NULL) {
++                       /* if insert_place isn't specified, insert at the 
cursor.
++                        * used for Ctrl-V pasting */
++                       gtk_text_buffer_get_iter_at_mark(buffer, &start_iter, 
mark_start);
++                       start = gtk_text_iter_get_offset(&start_iter);
++                       gtk_text_buffer_insert(buffer, &start_iter, contents, 
strlen(contents));
++               } else {
++                       /* if insert_place is specified, paste here.
++                        * used for mid-click-pasting */
++                       start = gtk_text_iter_get_offset(insert_place);
++                       gtk_text_buffer_insert(buffer, insert_place, contents, 
strlen(contents));
++                       if (prefs_common.primary_paste_unselects)
++                               gtk_text_buffer_select_range(buffer, 
insert_place, insert_place);
++               }
++               
++               if (!wrap) {
++                       /* paste unwrapped: mark the paste so it's not wrapped 
later */
++                       end = start + strlen(contents);
++                       gtk_text_buffer_get_iter_at_offset(buffer, 
&start_iter, start);
++                       gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, 
end);
++                       gtk_text_buffer_apply_tag_by_name(buffer, "no_wrap", 
&start_iter, &end_iter);
++               } else if (wrap && clip == GDK_SELECTION_PRIMARY) {
++                       /* rewrap paragraph now (after a mid-click-paste) */
++                       mark_start = gtk_text_buffer_get_insert(buffer);
++                       gtk_text_buffer_get_iter_at_mark(buffer, &start_iter, 
mark_start);
++                       gtk_text_iter_backward_char(&start_iter);
++                       compose_beautify_paragraph(compose, &start_iter, TRUE);
++               }
++       } else if (GTK_IS_EDITABLE(entry))
+               gtk_editable_paste_clipboard (GTK_EDITABLE(entry));
+-              compose->modified = TRUE;
+-      }
++
++      compose->modified = TRUE;
+ }
+ 
+ static void entry_allsel(GtkWidget *entry)
+@@ -11746,13 +11608,25 @@ static void compose_attach_drag_received_cb 
(GtkWidget
+                                            gpointer            user_data)
+ {
+       Compose *compose = (Compose *)user_data;
++      GList *list, *tmp;
+       GdkAtom type;
+ 
+       type = gtk_selection_data_get_data_type(data);
+       if ((gdk_atom_name(type) && !strcmp(gdk_atom_name(type), 
"text/uri-list"))
+          && gtk_drag_get_source_widget(context) !=
+               
summary_get_main_widget(mainwindow_get_mainwindow()->summaryview)) {
+-              attach_uri_list(compose, data);
++               list = uri_list_extract_filenames(
++                       (const gchar *)gtk_selection_data_get_data(data));
++               for (tmp = list; tmp != NULL; tmp = tmp->next) {
++                       gchar *utf8_filename = conv_filename_to_utf8((const 
gchar *)tmp->data);
++                       compose_attach_append
++                               (compose, (const gchar *)tmp->data,
++                                utf8_filename, NULL, NULL);
++                       g_free(utf8_filename);
++               }
++               if (list)
++                       compose_changed_cb(NULL, compose);
++               list_free_strings_full(list);
+       } else if (gtk_drag_get_source_widget(context)
+                  == 
summary_get_main_widget(mainwindow_get_mainwindow()->summaryview)) {
+               /* comes from our summaryview */

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