add Ctrl+Home and Ctrl+End command-mode mappings

src/core/BufferView.cc

@@ -131,6 +131,7 @@ bool BufferView::cursor_move(CursorMovement which, uint32_t c, bool allow_eol)
         m_target_screen_column = INT_MAX;
         m_target_virtual_column = INT_MAX;
         break;
+    case CursorMovement::START_OF_FILE:
     case CursorMovement::FIRST_LINE:
         {
             auto it = m_buffer->begin();
@@ -143,6 +144,21 @@ bool BufferView::cursor_move(CursorMovement which, uint32_t c, bool allow_eol)
         m_target_screen_column = 0;
         m_target_virtual_column = 0;
         break;
+    case CursorMovement::END_OF_FILE:
+        {
+            auto it = m_buffer->end();
+            it.go_back();
+            /* TODO: optimize this */
+            it.go_start_of_line();
+            it.go_end_of_line(allow_eol);
+            if (it != *m_iterator)
+            {
+                *m_iterator = it;
+                moved = true;
+            }
+        }
+        m_update_target_column = true;
+        break;
     case CursorMovement::LAST_LINE:
         {
             auto it = m_buffer->end();
@@ -199,9 +215,11 @@ bool BufferView::cursor_move(CursorMovement which, uint32_t c, bool allow_eol)
         case CursorMovement::BACK_ON_TO_CHAR:
             determine_new_cursor_screen_row();
             break;
+        case CursorMovement::START_OF_FILE:
         case CursorMovement::FIRST_LINE:
             m_cursor_screen_row = 0;
             break;
+        case CursorMovement::END_OF_FILE:
         case CursorMovement::LAST_LINE:
             m_cursor_screen_row = m_height - 1;
             break;

src/core/BufferView.h

@@ -22,6 +22,8 @@ public:
         DOWN,
         SOL,
         EOL,
+        START_OF_FILE,
+        END_OF_FILE,
         FIRST_LINE,
         LAST_LINE,
         SCREEN_ROW_UP,

src/core/Command.h

@@ -32,6 +32,8 @@ public:
         PUT,
         PUT_BEFORE,
         CHANGE_CHAR,
+        GO_START_OF_FILE,
+        GO_END_OF_FILE,
         GO_TO_LINE,
         GO_TO_LAST_LINE,
         GO_LEFT,

src/core/DefaultCommandMap.cc

@@ -60,7 +60,9 @@ void DefaultCommandMap::build()
     dcm->add("N", Command::PREV, nullptr, false);
 
     dcm->add({JES_KEY_HOME}, Command::GO_START_OF_LINE, nullptr, false);
+    dcm->add({JES_KEY_MODS_CTRL + JES_KEY_HOME}, Command::GO_START_OF_FILE, nullptr, false);
     dcm->add({JES_KEY_END}, Command::GO_END_OF_LINE, nullptr, false);
+    dcm->add({JES_KEY_MODS_CTRL + JES_KEY_END}, Command::GO_END_OF_FILE, nullptr, false);
     dcm->add({JES_KEY_PAGE_UP}, Command::SCROLL_WINDOW_UP_WHOLE_SCREEN, nullptr, false);
     dcm->add({JES_KEY_PAGE_DOWN}, Command::SCROLL_WINDOW_DOWN_WHOLE_SCREEN, nullptr, false);