master c1792c51de: ; * src/xterm.c (handle_one_xevent): Respect current window in Motif DND.

[Po Lu]

branch: master
commit c1792c51de30d161131753181db2cfdc3cd70eaf
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    ; * src/xterm.c (handle_one_xevent): Respect current window in Motif DND.
---
 src/xterm.c | 106 +++++++++++++++++++++++++++++++-----------------------------
 1 file changed, 55 insertions(+), 51 deletions(-)

diff --git a/src/xterm.c b/src/xterm.c
index bd5d756c8c..6a19828a36 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -14166,62 +14166,64 @@ handle_one_xevent (struct x_display_info *dpyinfo,
                                         x_dnd_selection_timestamp,
                                         x_dnd_last_protocol_version);
                  }
+               else if (x_dnd_last_seen_window != None)
+                 {
+                   xm_drag_receiver_info drag_receiver_info;
+                   xm_drag_initiator_info drag_initiator_info;
+                   xm_drop_start_message dmsg;
+                   int idx;
+
+                   if (!xm_read_drag_receiver_info (dpyinfo, 
x_dnd_last_seen_window,
+                                                    &drag_receiver_info)
+                       && drag_receiver_info.protocol_style != 
XM_DRAG_STYLE_NONE
+                       && (x_dnd_allow_current_frame
+                           || FRAME_OUTER_WINDOW (x_dnd_frame) != 
x_dnd_last_seen_window))
+                     {
+                       idx = xm_setup_dnd_targets (dpyinfo, x_dnd_targets,
+                                                   x_dnd_n_targets);
+
+                       if (idx != -1)
+                         {
+                           drag_initiator_info.byteorder = 
XM_TARGETS_TABLE_CUR;
+                           drag_initiator_info.protocol = 0;
+                           drag_initiator_info.table_index = idx;
+                           drag_initiator_info.selection = 
dpyinfo->Xatom_XdndSelection;
+
+                           memset (&dmsg, 0, sizeof dmsg);
+
+                           xm_write_drag_initiator_info (dpyinfo->display,
+                                                         FRAME_X_WINDOW 
(x_dnd_frame),
+                                                         
dpyinfo->Xatom_MOTIF_DRAG_INITIATOR_INFO,
+                                                         
dpyinfo->Xatom_MOTIF_DRAG_INITIATOR_INFO,
+                                                         &drag_initiator_info);
+
+                           dmsg.reason = XM_DRAG_REASON 
(XM_DRAG_ORIGINATOR_INITIATOR,
+                                                         
XM_DRAG_REASON_DROP_START);
+                           dmsg.byte_order = XM_TARGETS_TABLE_CUR;
+                           dmsg.side_effects
+                             = XM_DRAG_SIDE_EFFECT (xm_side_effect_from_action 
(dpyinfo,
+                                                                               
 x_dnd_wanted_action),
+                                                    XM_DROP_SITE_VALID,
+                                                    xm_side_effect_from_action 
(dpyinfo,
+                                                                               
 x_dnd_wanted_action),
+                                                    XM_DROP_ACTION_DROP);
+                           dmsg.timestamp = event->xbutton.time;
+                           dmsg.x = event->xbutton.x_root;
+                           dmsg.y = event->xbutton.y_root;
+                           dmsg.index_atom = 
dpyinfo->Xatom_MOTIF_DRAG_INITIATOR_INFO;
+                           dmsg.source_window = FRAME_X_WINDOW (x_dnd_frame);
+
+                           xm_send_drop_message (dpyinfo, FRAME_X_WINDOW 
(x_dnd_frame),
+                                                 x_dnd_last_seen_window, 
&dmsg);
+                         }
+                     }
+                 }
 
                x_dnd_last_protocol_version = -1;
                x_dnd_last_seen_window = None;
                x_dnd_frame = NULL;
                x_set_dnd_targets (NULL, 0);
              }
-           else if (x_dnd_last_seen_window != None)
-             {
-               xm_drag_receiver_info drag_receiver_info;
-               xm_drag_initiator_info drag_initiator_info;
-               xm_drop_start_message dmsg;
-               int idx;
-
-               if (!xm_read_drag_receiver_info (dpyinfo, 
x_dnd_last_seen_window,
-                                                &drag_receiver_info)
-                   && drag_receiver_info.protocol_style != XM_DRAG_STYLE_NONE)
-                 {
-                   idx = xm_setup_dnd_targets (dpyinfo, x_dnd_targets,
-                                               x_dnd_n_targets);
-
-                   if (idx != -1)
-                     {
-                       drag_initiator_info.byteorder = XM_TARGETS_TABLE_CUR;
-                       drag_initiator_info.protocol = 0;
-                       drag_initiator_info.table_index = idx;
-                       drag_initiator_info.selection = 
dpyinfo->Xatom_XdndSelection;
-
-                       memset (&dmsg, 0, sizeof dmsg);
-
-                       xm_write_drag_initiator_info (dpyinfo->display,
-                                                     FRAME_X_WINDOW 
(x_dnd_frame),
-                                                     
dpyinfo->Xatom_MOTIF_DRAG_INITIATOR_INFO,
-                                                     
dpyinfo->Xatom_MOTIF_DRAG_INITIATOR_INFO,
-                                                     &drag_initiator_info);
-
-                       dmsg.reason = XM_DRAG_REASON 
(XM_DRAG_ORIGINATOR_INITIATOR,
-                                                     
XM_DRAG_REASON_DROP_START);
-                       dmsg.byte_order = XM_TARGETS_TABLE_CUR;
-                       dmsg.side_effects
-                         = XM_DRAG_SIDE_EFFECT (xm_side_effect_from_action 
(dpyinfo,
-                                                                            
x_dnd_wanted_action),
-                                                XM_DROP_SITE_VALID,
-                                                xm_side_effect_from_action 
(dpyinfo,
-                                                                            
x_dnd_wanted_action),
-                                                XM_DROP_ACTION_DROP);
-                       dmsg.timestamp = event->xbutton.time;
-                       dmsg.x = event->xbutton.x_root;
-                       dmsg.y = event->xbutton.y_root;
-                       dmsg.index_atom = 
dpyinfo->Xatom_MOTIF_DRAG_INITIATOR_INFO;
-                       dmsg.source_window = FRAME_X_WINDOW (x_dnd_frame);
-
-                       xm_send_drop_message (dpyinfo, FRAME_X_WINDOW 
(x_dnd_frame),
-                                             x_dnd_last_seen_window, &dmsg);
-                     }
-                 }
-             }
 
            goto OTHER;
          }
@@ -15224,7 +15226,9 @@ handle_one_xevent (struct x_display_info *dpyinfo,
 
                          if (!xm_read_drag_receiver_info (dpyinfo, 
x_dnd_last_seen_window,
                                                           &drag_receiver_info)
-                             && drag_receiver_info.protocol_style != 
XM_DRAG_STYLE_NONE)
+                             && drag_receiver_info.protocol_style != 
XM_DRAG_STYLE_NONE
+                             && (x_dnd_allow_current_frame
+                                 || FRAME_OUTER_WINDOW (x_dnd_frame) != 
x_dnd_last_seen_window))
                            {
                              idx = xm_setup_dnd_targets (dpyinfo, 
x_dnd_targets,
                                                          x_dnd_n_targets);