Navigation commands
As your file enlarges it becomes important to know the commands to traverse it. These are described fully in Tree shortcuts but will be summarized here.
Cursor keys
Let's start with the tree in Tree1.tpd fully expanded. The simplest way to get around is to press the UpDown arrow keys until you reach the desired node. Alternatively, slide the whole tree up or down by dragging the Tree pane's vertical scrollbar slider in the opposite direction. You can also do this from the keyboard by pressing the Ctrl+UpCtrl+Down keys.
Try doing this in the Manual. Note that when you use the UpDown arrow keys, you change the focus with each keypress (i.e. the article changes as well), whereas with the other two methods the focus (the currently selected node) does not change, but you can view the rest of the tree, including parts that were offscreen.
Let's return to Tree1.tpd. Although, as noted in Opening and closing subtrees, pressing the LeftRight cursor keys opens⁄closes subtrees, these keys are also used for navigation. If the current node lies below the top node in a subtree and you wish to jump to its root node (e.g., from node A2 to node A), pressing Left will take you there. Conversely, if the current node is the root node of an open subtree, pressing Right takes you to its top child node (e.g., from node A to node A1).
Jumping farther
If you are dealing with a long tree, pressing Page UpPage Down will take you one screen up⁄down. Pressing Home or Ctrl+0 (zero) takes you to the Root node from wherever you happen to be, very handy if you use the Root node as a jumping-off point to other files or store key information there. Pressing End moves you to the node at the bottom of the tree.
(Note that Home and End only have these functions when you are in the Tree pane, whereas Ctrl+0 works from any pane.)
Similarly, when merely scrolling the tree, use Ctrl+PageUpCtrl+PageDown to jump a page at a time.
If your tree is fully expanded and you wish to remain at the same level, skipping over sublevels, pressing Alt+UpAlt+Down will have this effect. E.g., pressing Alt+Down when you are at node A will take you to node B and then node C.
Another handy trick, particularly useful if your tree is alphabetically sorted, is that pressing an alphabetical key takes you to the first visible node whose title starts with that letter. For example, if are at the Root node in Tree1.tpd and press C, you will be taken to node C. Try this in the manual (open another copy by pressing F1). If you are quick, pressing more than one key will take you to the first node whose title starts with that combination, e.g., pressing C,A,L will take you to Calculators. Unfortunately, this only works for the first node with this character or character string.
One other method deserves a mention. You can actually navigate the tree from within the Article pane! Although we have not yet discussed the Article pane, to move from Tree pane to Article pane is simply a matter of left-clicking in one or the other (you may also do this by pressing Ctrl+Tab; see Switching between Tree and Article panes).
Change to the other copy of the manual and click in the Article pane. Now press Ctrl+Alt together with the same basic cursor keys you used when you were working in the Tree pane, i.e.:
Ctrl+Alt+Up arrow: Moves focus to the node one line up.
Ctrl+Alt+Down arrow: Moves focus to the node one line down.
Ctrl+Alt+Left arrow: Moves focus to the root node of the current subtree.
Ctrl+Alt+Right arrow: If the current node is the root node of a currently open subtree, it moves focus to the first child node of that subtree.
Other methods of navigating the tree include backtracking along the Node history list, jumping to favorite nodes which have been bookmarked, and creating and using hyperlinks. These will be covered later.
Now it's time to learn how to move nodes and rearrange your tree.
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