add EXPAND_ALL and COLLAPSE_ALL shortcuts to index

config.c

@@ -139,6 +139,8 @@ config_load_default(zathura_t* zathura)
   girara_shortcut_add(gsession, 0,                GDK_KEY_j,          NULL, sc_navigate_index,           INDEX,      DOWN,            NULL);
   girara_shortcut_add(gsession, 0,                GDK_KEY_h,          NULL, sc_navigate_index,           INDEX,      COLLAPSE,        NULL);
   girara_shortcut_add(gsession, 0,                GDK_KEY_l,          NULL, sc_navigate_index,           INDEX,      EXPAND,          NULL);
+  girara_shortcut_add(gsession, 0,                GDK_KEY_L,          NULL, sc_navigate_index,           INDEX,      EXPAND_ALL,      NULL);
+  girara_shortcut_add(gsession, 0,                GDK_KEY_H,          NULL, sc_navigate_index,           INDEX,      COLLAPSE_ALL,    NULL);
   girara_shortcut_add(gsession, 0,                GDK_KEY_Up,         NULL, sc_navigate_index,           INDEX,      UP,              NULL);
   girara_shortcut_add(gsession, 0,                GDK_KEY_Down,       NULL, sc_navigate_index,           INDEX,      DOWN,            NULL);
   girara_shortcut_add(gsession, 0,                GDK_KEY_Left,       NULL, sc_navigate_index,           INDEX,      COLLAPSE,        NULL);

shortcuts.c

@@ -623,6 +623,15 @@ sc_navigate_index(girara_session_t* session, girara_argument_t* argument,
         gtk_tree_path_down(path);
       }
       break;
+    case EXPAND_ALL:
+      gtk_tree_view_expand_all(tree_view);
+      break;
+    case COLLAPSE_ALL:
+      gtk_tree_view_collapse_all(tree_view);
+      gtk_tree_path_free(path);
+      path = gtk_tree_path_new_first();
+      gtk_tree_view_set_cursor(tree_view, path, NULL, FALSE);
+      break;
     case SELECT:
       cb_index_row_activated(tree_view, path, NULL, zathura);
       return false;
@@ -864,4 +873,3 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
 
   return false;
 }
-

zathura.h

@@ -14,9 +14,9 @@ enum { NEXT, PREVIOUS, LEFT, RIGHT, UP, DOWN, BOTTOM, TOP, HIDE, HIGHLIGHT,
   DELETE_LAST_WORD, DELETE_LAST_CHAR, DEFAULT, ERROR, WARNING, NEXT_GROUP,
   PREVIOUS_GROUP, ZOOM_IN, ZOOM_OUT, ZOOM_ORIGINAL, ZOOM_SPECIFIC, FORWARD,
   BACKWARD, ADJUST_BESTFIT, ADJUST_WIDTH, ADJUST_NONE, CONTINUOUS, DELETE_LAST,
-  ADD_MARKER, EVAL_MARKER, EXPAND, COLLAPSE, SELECT, GOTO_DEFAULT, GOTO_LABELS,
-  GOTO_OFFSET, HALF_UP, HALF_DOWN, FULL_UP, FULL_DOWN, NEXT_CHAR, PREVIOUS_CHAR,
-  DELETE_TO_LINE_START, APPEND_FILEPATH };
+  ADD_MARKER, EVAL_MARKER, EXPAND, EXPAND_ALL, COLLAPSE_ALL, COLLAPSE, SELECT,
+  GOTO_DEFAULT, GOTO_LABELS, GOTO_OFFSET, HALF_UP, HALF_DOWN, FULL_UP,
+  FULL_DOWN, NEXT_CHAR, PREVIOUS_CHAR, DELETE_TO_LINE_START, APPEND_FILEPATH };
 
 /* forward declaration for types from document.h */
 struct zathura_document_s;