core: add mouse support (task #5435), free cursor movement, hook_focus, fix bugs with key "^" (bug #32072, bug #21381), fix bugs with bar windows, completion and /buffer

New features and bugs fixed:
- mouse support: new command /mouse, new option weechat.look.mouse, new key context "mouse"
- free movement of cursor: new command /cursor, new key context "cursor"
- new hook_focus (used by cursor and mouse)
- info "cursor_mode"
- bugs fixed with key "^"
- allow plugin name in /buffer name
- fix bugs with bar windows: do not create bar windows for hidden bars
- fix completion bug when two words for completion are equal but with different case
- automatic scroll direction in /bar scroll (x/y is now optional)

doc/de/autogen/plugin_api/completions.txt

@@ -78,6 +78,8 @@
 
 | weechat | config_options | Konfigurationsoptionen
 
+| weechat | cursor_areas | areas ("chat" or bar name) for free cursor movement
+
 | weechat | filename | Dateinamen
 
 | weechat | filters_names | Liste der Filter
@@ -90,7 +92,7 @@
 
 | weechat | keys_codes_for_reset | Tastenbelegungen die zurückgesetzt werden können (hinzugefügte/verändert/gelöschte Tastenbelegungen)
 
-| weechat | keys_contexts | key contexts
+| weechat | keys_contexts | Tastaturkontext
 
 | weechat | nicks | Nicks in Nickliste des aktuellen Buffers
 

doc/de/autogen/plugin_api/hdata.txt

@@ -175,7 +175,10 @@
   'items_count' (integer) +
   'items_subcount' (pointer) +
   'items_array' (pointer) +
-  'bar_window' (pointer) +
+  'items_prefix' (pointer) +
+  'items_name' (pointer) +
+  'items_suffix' (pointer) +
+  'bar_window' (pointer, hdata: 'bar_window') +
   'bar_refresh_needed' (integer) +
   'prev_bar' (pointer, hdata: 'bar') +
   'next_bar' (pointer, hdata: 'bar') |
@@ -192,6 +195,30 @@
   'gui_bar_items' +
   'last_gui_bar_item'
 
+| weechat | bar_window | bar window |
+  'bar' (pointer, hdata: 'bar') +
+  'x' (integer) +
+  'y' (integer) +
+  'width' (integer) +
+  'height' (integer) +
+  'scroll_x' (integer) +
+  'scroll_y' (integer) +
+  'cursor_x' (integer) +
+  'cursor_y' (integer) +
+  'current_size' (integer) +
+  'items_count' (integer) +
+  'items_subcount' (pointer) +
+  'items_content' (pointer) +
+  'items_num_lines' (pointer) +
+  'items_refresh_needed' (pointer) +
+  'screen_col_size' (integer) +
+  'coords_count' (integer) +
+  'coords' (pointer) +
+  'gui_objects' (pointer) +
+  'prev_bar_window' (pointer, hdata: 'bar_window') +
+  'next_bar_window' (pointer, hdata: 'bar_window') |
+  -
+
 | weechat | buffer | Buffer |
   'plugin' (pointer, hdata: 'plugin') +
   'plugin_name_for_upgrade' (string) +
@@ -383,9 +410,21 @@
   'prev_key' (pointer, hdata: 'key') +
   'next_key' (pointer, hdata: 'key') |
   'gui_default_keys' +
+  'gui_default_keys_cursor' +
+  'gui_default_keys_mouse' +
+  'gui_default_keys_search' +
   'gui_keys' +
+  'gui_keys_cursor' +
+  'gui_keys_mouse' +
+  'gui_keys_search' +
   'last_gui_default_key' +
-  'last_gui_key'
+  'last_gui_default_key_cursor' +
+  'last_gui_default_key_mouse' +
+  'last_gui_default_key_search' +
+  'last_gui_key' +
+  'last_gui_key_cursor' +
+  'last_gui_key_mouse' +
+  'last_gui_key_search'
 
 | weechat | line | Struktur mit einer Zeile |
   'data' (pointer, hdata: 'line_data') +
@@ -445,7 +484,7 @@
   'next_group' (pointer, hdata: 'nick_group') |
   -
 
-| weechat | plugin | plugin |
+| weechat | plugin | Erweiterung |
   'filename' (string) +
   'handle' (pointer) +
   'name' (string) +
@@ -473,8 +512,8 @@
   'win_chat_height' (integer) +
   'win_chat_cursor_x' (integer) +
   'win_chat_cursor_y' (integer) +
-  'bar_windows' (pointer) +
-  'last_bar_window' (pointer) +
+  'bar_windows' (pointer, hdata: 'bar_window') +
+  'last_bar_window' (pointer, hdata: 'bar_window') +
   'refresh_needed' (integer) +
   'gui_objects' (pointer) +
   'buffer' (pointer, hdata: 'buffer') +

doc/de/autogen/plugin_api/infolists.txt

@@ -48,7 +48,7 @@
 
 | weechat | hotlist | Liste der Buffer in Hotlist | - | -
 
-| weechat | key | Auflistung der Tastenzuweisungen | - | context ("default" or "search") (optional)
+| weechat | key | Auflistung der Tastenzuweisungen | - | Kontext ("default" oder "search") (optional)
 
 | weechat | nicklist | Nicks in Nickliste für einen Buffer | Buffer Pointer | nick_xxx oder group_xxx um nur den Nick/Group xxx abzufragen (optional)
 

doc/de/autogen/plugin_api/infos.txt

@@ -28,6 +28,8 @@
 
 | weechat | charset_terminal | Terminal Zeichensatz | -
 
+| weechat | cursor_mode | 1 if cursor mode is enabled | -
+
 | weechat | date | Datum der WeeChat Kompilierung | -
 
 | weechat | dir_separator | Verzeichnis-Trennzeichen | -