Copy fixes from r3 to fix search issues in Nobles screen.

plugins/search.cpp

@@ -91,7 +91,15 @@ public:
             return false;
 
         if (!can_init(screen))
+        {
+            if (is_valid())
+            {
+                clear_search();
+                reset_all();
+            }
+
             return false;
+        }
 
         if (!is_valid())
         {
@@ -296,6 +304,11 @@ protected:
         return true;
     }
 
+    virtual bool force_in_search(size_t index)
+    {
+        return false;
+    }
+
     // The actual sort
     virtual void do_search()
     {
@@ -316,6 +329,12 @@ protected:
         string search_string_l = toLower(search_string);
         for (size_t i = 0; i < saved_list1.size(); i++ )
         {
+            if (force_in_search(i))
+            {
+                add_to_filtered_list(i);
+                continue;
+            }
+
             if (!is_valid_for_search(i))
                 continue;
 
@@ -383,15 +402,7 @@ protected:
     {
         auto list = getLayerList(screen);
         if (!list->active)
-        {
-            if (this->is_valid())
-            {
-                this->clear_search();
-                this->reset_all();
-            }
-
             return false;
-        }
 
         return true;
     }
@@ -655,6 +666,10 @@ template <class T, class V, int D> V generic_search_hook<T, V, D> ::module;
     template<> IMPLEMENT_VMETHOD_INTERPOSE(module##_hook, feed); \
     template<> IMPLEMENT_VMETHOD_INTERPOSE(module##_hook, render)
 
+#define IMPLEMENT_HOOKS_PRIO(screen, module, prio) \
+    typedef generic_search_hook<screen, module> module##_hook; \
+    template<> IMPLEMENT_VMETHOD_INTERPOSE_PRIO(module##_hook, feed, 100); \
+    template<> IMPLEMENT_VMETHOD_INTERPOSE_PRIO(module##_hook, render, 100)
 
 //
 // END: Generic Search functionality
@@ -799,7 +814,8 @@ IMPLEMENT_HOOKS(df::viewscreen_petst, pets_search);
 //
 // START: Stocks screen search
 //
-class stocks_search : public search_generic<df::viewscreen_storesst, df::item*>
+typedef search_generic<df::viewscreen_storesst, df::item*> stocks_search_base;
+class stocks_search : public stocks_search_base
 {
 public:
 
@@ -833,7 +849,7 @@ public:
             return false;
         }
 
-        return search_generic::process_input(input);
+        return stocks_search_base::process_input(input);
     }
 
     virtual void do_post_input_feed()
@@ -883,7 +899,8 @@ IMPLEMENT_HOOKS(df::viewscreen_storesst, stocks_search);
 //
 // START: Unit screen search
 //
-class unitlist_search : public search_twocolumn_modifiable<df::viewscreen_unitlistst, df::unit*, df::job*>
+typedef search_twocolumn_modifiable<df::viewscreen_unitlistst, df::unit*, df::job*> unitlist_search_base;
+class unitlist_search : public unitlist_search_base
 {
 public:
     void render() const
@@ -894,7 +911,7 @@ public:
 private:
     void do_post_init()
     {
-        search_twocolumn_modifiable::do_post_init();
+        unitlist_search_base::do_post_init();
         read_only = true;
     }
 
@@ -1143,7 +1160,8 @@ IMPLEMENT_HOOKS(df::viewscreen_layer_stockpilest, stockpile_search);
 //
 // START: Military screen search
 //
-class military_search : public layered_search<df::viewscreen_layer_militaryst, df::unit *, 2>
+typedef layered_search<df::viewscreen_layer_militaryst, df::unit *, 2> military_search_base;
+class military_search : public military_search_base
 {
 public:
 
@@ -1167,7 +1185,7 @@ public:
         if (screen->page != df::viewscreen_layer_militaryst::Positions)
             return false;
 
-        return layered_search::can_init(screen);
+        return military_search_base::can_init(screen);
     }
 
     vector<df::unit *> *get_primary_list() 
@@ -1197,7 +1215,7 @@ public:
     }
 };
 
-IMPLEMENT_HOOKS(df::viewscreen_layer_militaryst, military_search);
+IMPLEMENT_HOOKS_PRIO(df::viewscreen_layer_militaryst, military_search, 100);
 
 //
 // END: Military screen search
@@ -1209,8 +1227,8 @@ IMPLEMENT_HOOKS(df::viewscreen_layer_militaryst, military_search);
 //
 static map< df::building_type, vector<string> > room_quality_names;
 static int32_t room_value_bounds[] = {1, 100, 250, 500, 1000, 1500, 2500, 10000};
-
+typedef search_twocolumn_modifiable<df::viewscreen_buildinglistst, df::building*, int32_t> roomlist_search_base;
-class roomlist_search : public search_twocolumn_modifiable<df::viewscreen_buildinglistst, df::building*, int32_t>
+class roomlist_search : public roomlist_search_base
 {
 public:
     void render() const
@@ -1221,7 +1239,7 @@ public:
 private:
     void do_post_init()
     {
-        search_twocolumn_modifiable::do_post_init();
+        roomlist_search_base::do_post_init();
         read_only = true;
     }
 
@@ -1331,8 +1349,8 @@ IMPLEMENT_HOOKS(df::viewscreen_announcelistst, annoucnement_search);
 // START: Nobles search list
 //
 typedef df::viewscreen_layer_noblelistst::T_candidates T_candidates;
-
+typedef layered_search<df::viewscreen_layer_noblelistst, T_candidates *, 1> nobles_search_base;
-class nobles_search : public layered_search<df::viewscreen_layer_noblelistst, T_candidates *, 1>
+class nobles_search : public nobles_search_base
 {
 public:
 
@@ -1349,12 +1367,17 @@ public:
         print_search_option(2, 23);
     }
 
+    bool force_in_search(size_t index)
+    {
+        return index == 0; // Leave Vacant
+    }
+
     bool can_init(df::viewscreen_layer_noblelistst *screen)
     {
         if (screen->mode != df::viewscreen_layer_noblelistst::Appoint)
             return false;
 
-        return layered_search::can_init(screen);
+        return nobles_search_base::can_init(screen);
     }
 
     vector<T_candidates *> *get_primary_list() 
@@ -1419,7 +1442,8 @@ void get_job_details(string &desc, df::job *job)
         desc += "suspended.";
 }
 
-class joblist_search : public search_twocolumn_modifiable<df::viewscreen_joblistst, df::job*, df::unit*>
+typedef search_twocolumn_modifiable<df::viewscreen_joblistst, df::job*, df::unit*> joblist_search_base;
+class joblist_search : public joblist_search_base
 {
 public:
     void render() const
@@ -1430,7 +1454,7 @@ public:
 private:
     void do_post_init()
     {
-        search_twocolumn_modifiable::do_post_init();
+        joblist_search_base::do_post_init();
         read_only = true;
     }
 
@@ -1479,19 +1503,15 @@ IMPLEMENT_HOOKS(df::viewscreen_joblistst, joblist_search);
 //
 using df::global::ui;
 
-class burrow_search : public search_twocolumn_modifiable<df::viewscreen_dwarfmodest, df::unit*, bool>
+typedef search_twocolumn_modifiable<df::viewscreen_dwarfmodest, df::unit*, bool> burrow_search_base;
+class burrow_search : public burrow_search_base
 {
 public:
     bool can_init(df::viewscreen_dwarfmodest *screen)
     {
         if (ui->main.mode == df::ui_sidebar_mode::Burrows && ui->burrows.in_add_units_mode)
         {
-            return search_twocolumn_modifiable::can_init(screen);
+            return burrow_search_base::can_init(screen);
-        }
-        else if (is_valid())
-        {
-            clear_search();
-            reset_all();
         }
 
         return false;