Implement the common suggestion of Shift-Enter in trade screens.

README.rst

@@ -1013,7 +1013,8 @@ Subcommands that persist until disabled or DF quit:
                     in advmode. The issue is that the screen tries to force you to select
                     the contents separately from the container. This forcefully skips child
                     reagents.
-
+:fast-trade:     Makes Shift-Enter in the Move Goods to Depot and Trade screens select
+                 the current item (fully, in case of a stack), and scroll down one line.
 
 Mode switch and reclaim
 =======================

Readme.html

@@ -1753,6 +1753,9 @@ in advmode. The issue is that the screen tries to force you to select
 the contents separately from the container. This forcefully skips child
 reagents.</td>
 </tr>
+<tr class="field"><th class="field-name">fast-trade:</th><td class="field-body">Makes Shift-Enter in the Move Goods to Depot and Trade screens select
+the current item (fully, in case of a stack), and scroll down one line.</td>
+</tr>
 </tbody>
 </table>
 </div>

dfhack.init-example

@@ -45,6 +45,7 @@ keybinding add Shift-R "job-material RHYOLITE"
 keybinding add Shift-I "job-material CINNABAR"
 keybinding add Shift-B "job-material COBALTITE"
 keybinding add Shift-O "job-material OBSIDIAN"
+keybinding add Shift-T "job-material ORTHOCLASE"
 keybinding add Shift-G "job-material GLASS_GREEN"
 
 # browse linked mechanisms
@@ -90,3 +91,7 @@ tweak fix-dimensions
 # make reactions requiring containers usable in advmode - the issue is
 # that the screen asks for those reagents to be selected directly
 tweak advmode-contained
+
+# support Shift-Enter in Trade and Move Goods to Depot screens for faster
+# selection; it selects the current item or stack and scrolls down one line
+tweak fast-trade

plugins/manipulator.cpp

@@ -523,6 +523,7 @@ void viewscreen_unitlaborsst::feed(set<df::interface_key> *events)
         {
             events->insert(interface_key::LEAVESCREEN);
             parent->feed(events);
+            events->clear();
         }
         return;
     }

plugins/tweak.cpp

@@ -43,6 +43,8 @@
 #include "df/reaction.h"
 #include "df/reaction_reagent_itemst.h"
 #include "df/reaction_reagent_flags.h"
+#include "df/viewscreen_layer_assigntradest.h"
+#include "df/viewscreen_tradegoodsst.h"
 
 #include <stdlib.h>
 
@@ -109,6 +111,9 @@ DFhackCExport command_result plugin_init (color_ostream &out, std::vector <Plugi
         "    Fixes custom reactions with container inputs in advmode. The issue is\n"
         "    that the screen tries to force you to select the contents separately\n"
         "    from the container. This forcefully skips child reagents.\n"
+        "  tweak fast-trade [disable]\n"
+        "    Makes Shift-Enter in the Move Goods to Depot and Trade screens select\n"
+        "    the current item (fully, in case of a stack), and scroll down one line.\n"
     ));
     return CR_OK;
 }
@@ -494,6 +499,47 @@ struct advmode_contained_hook : df::viewscreen_layer_unit_actionst {
 
 IMPLEMENT_VMETHOD_INTERPOSE(advmode_contained_hook, feed);
 
+struct fast_trade_assign_hook : df::viewscreen_layer_assigntradest {
+    typedef df::viewscreen_layer_assigntradest interpose_base;
+
+    DEFINE_VMETHOD_INTERPOSE(void, feed, (set<df::interface_key> *input))
+    {
+        if (layer_objects[1]->active && input->count(interface_key::SELECT_ALL))
+        {
+            set<df::interface_key> tmp; tmp.insert(interface_key::SELECT);
+            INTERPOSE_NEXT(feed)(&tmp);
+            tmp.clear(); tmp.insert(interface_key::STANDARDSCROLL_DOWN);
+            INTERPOSE_NEXT(feed)(&tmp);
+        }
+        else
+            INTERPOSE_NEXT(feed)(input);
+    }
+};
+
+IMPLEMENT_VMETHOD_INTERPOSE(fast_trade_assign_hook, feed);
+
+struct fast_trade_select_hook : df::viewscreen_tradegoodsst {
+    typedef df::viewscreen_tradegoodsst interpose_base;
+
+    DEFINE_VMETHOD_INTERPOSE(void, feed, (set<df::interface_key> *input))
+    {
+        if (!(is_unloading || !has_traders || in_edit_count)
+            && input->count(interface_key::SELECT_ALL))
+        {
+            set<df::interface_key> tmp; tmp.insert(interface_key::SELECT);
+            INTERPOSE_NEXT(feed)(&tmp);
+            if (in_edit_count)
+                INTERPOSE_NEXT(feed)(&tmp);
+            tmp.clear(); tmp.insert(interface_key::STANDARDSCROLL_DOWN);
+            INTERPOSE_NEXT(feed)(&tmp);
+        }
+        else
+            INTERPOSE_NEXT(feed)(input);
+    }
+};
+
+IMPLEMENT_VMETHOD_INTERPOSE(fast_trade_select_hook, feed);
+
 static void enable_hook(color_ostream &out, VMethodInterposeLinkBase &hook, vector <string> &parameters)
 {
     if (vector_get(parameters, 1) == "disable")
@@ -653,6 +699,11 @@ static command_result tweak(color_ostream &out, vector <string> &parameters)
     {
         enable_hook(out, INTERPOSE_HOOK(advmode_contained_hook, feed), parameters);
     }
+    else if (cmd == "fast-trade")
+    {
+        enable_hook(out, INTERPOSE_HOOK(fast_trade_assign_hook, feed), parameters);
+        enable_hook(out, INTERPOSE_HOOK(fast_trade_select_hook, feed), parameters);
+    }
     else 
         return CR_WRONG_USAGE;