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| <h3 class="section">25.2 TUI Key Bindings</h3> |
| |
| <p><a name="index-TUI-key-bindings-2904"></a> |
| The TUI installs several key bindings in the readline keymaps |
| (see <a href="Command-Line-Editing.html#Command-Line-Editing">Command Line Editing</a>). |
| The following key bindings are installed for both TUI mode and the |
| <span class="sc">gdb</span> standard mode. |
| |
| |
| <a name="index-C_002dx-C_002da-2905"></a> |
| <dl><dt><kbd>C-x C-a</kbd><dd><a name="index-C_002dx-a-2906"></a><dt><kbd>C-x a</kbd><dd><a name="index-C_002dx-A-2907"></a><dt><kbd>C-x A</kbd><dd>Enter or leave the TUI mode. When leaving the TUI mode, |
| the curses window management stops and <span class="sc">gdb</span> operates using |
| its standard mode, writing on the terminal directly. When reentering |
| the TUI mode, control is given back to the curses windows. |
| The screen is then refreshed. |
| |
| <p><a name="index-C_002dx-1-2908"></a><br><dt><kbd>C-x 1</kbd><dd>Use a TUI layout with only one window. The layout will |
| either be ‘<samp><span class="samp">source</span></samp>’ or ‘<samp><span class="samp">assembly</span></samp>’. When the TUI mode |
| is not active, it will switch to the TUI mode. |
| |
| <p>Think of this key binding as the Emacs <kbd>C-x 1</kbd> binding. |
| |
| <p><a name="index-C_002dx-2-2909"></a><br><dt><kbd>C-x 2</kbd><dd>Use a TUI layout with at least two windows. When the current |
| layout already has two windows, the next layout with two windows is used. |
| When a new layout is chosen, one window will always be common to the |
| previous layout and the new one. |
| |
| <p>Think of it as the Emacs <kbd>C-x 2</kbd> binding. |
| |
| <p><a name="index-C_002dx-o-2910"></a><br><dt><kbd>C-x o</kbd><dd>Change the active window. The TUI associates several key bindings |
| (like scrolling and arrow keys) with the active window. This command |
| gives the focus to the next TUI window. |
| |
| <p>Think of it as the Emacs <kbd>C-x o</kbd> binding. |
| |
| <p><a name="index-C_002dx-s-2911"></a><br><dt><kbd>C-x s</kbd><dd>Switch in and out of the TUI SingleKey mode that binds single |
| keys to <span class="sc">gdb</span> commands (see <a href="TUI-Single-Key-Mode.html#TUI-Single-Key-Mode">TUI Single Key Mode</a>). |
| </dl> |
| |
| <p>The following key bindings only work in the TUI mode: |
| |
| |
| <a name="index-PgUp-2912"></a> |
| <dl><dt><PgUp><dd>Scroll the active window one page up. |
| |
| <p><a name="index-PgDn-2913"></a><br><dt><PgDn><dd>Scroll the active window one page down. |
| |
| <p><a name="index-Up-2914"></a><br><dt><Up><dd>Scroll the active window one line up. |
| |
| <p><a name="index-Down-2915"></a><br><dt><Down><dd>Scroll the active window one line down. |
| |
| <p><a name="index-Left-2916"></a><br><dt><Left><dd>Scroll the active window one column left. |
| |
| <p><a name="index-Right-2917"></a><br><dt><Right><dd>Scroll the active window one column right. |
| |
| <p><a name="index-C_002dL-2918"></a><br><dt><kbd>C-L</kbd><dd>Refresh the screen. |
| </dl> |
| |
| <p>Because the arrow keys scroll the active window in the TUI mode, they |
| are not available for their normal use by readline unless the command |
| window has the focus. When another window is active, you must use |
| other readline key bindings such as <kbd>C-p</kbd>, <kbd>C-n</kbd>, <kbd>C-b</kbd> |
| and <kbd>C-f</kbd> to control the command window. |
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