Alt F4 - Comparison of Keyboard Shortcuts - User Interface Navigation (widgets and Controls)

User Interface Navigation (widgets and Controls)

Action Windows Mac OS KDE GNOME
Moves keyboard focus to next/previous control Tab ↹ / ⇧ Shift+Tab ↹ With full keyboard access active (System Preferences > Keyboard > Keyboard Shortcuts > Full Keyboard Access > All Controls)

Tab ↹ / ⇧ Shift+Tab ↹

 Tab ↹ / ⇧ Shift+Tab ↹ Tab ↹ / ⇧ Shift+Tab ↹

Ctrl+Tab ↹ / ⇧ Shift+Ctrl+Tab ↹
Pop up tooltip for currently focused control ⇧ Shift+F1 Ctrl+F1
Show context-sensitive help for currently focused window or control ⇧ Shift+F1 ⌘ Cmd+? ⇧ Shift+F1 ⇧ Shift+F1
Give focus to next/previous pane Ctrl+F6 / Alt+F6 ⌘ Cmd+` F6 / ⇧ Shift+F6
Give focus to splitter bar in paned window F8
Give focus to window's menu bar F10 or Alt ⌘ Cmd+⇧ Shift+/, then type command name, or
Ctrl+F2 (or Fn+Ctrl+F2 on some keyboards - requires full keyboard access active using System Preferences > Keyboard > Keyboard Shortcuts > Full Keyboard Access > All Controls))		 Alt F10
Pop up contextual menu for currently selected objects (aka context menu) ⇧ Shift+F10 or ≣ Menu Varies with laptop / extended keyboard type; enable Mouse keys in Universal Access, then Function+Ctrl+5 or Ctrl+5 (numeric keypad) or Function+Ctrl+i (laptop) ≣ Menu ≣ Menu or ⇧ Shift+F10
Toggle selected state of focused checkbox, radio button, or toggle button Space Space Space Space
Activate focused button, menu item etc. ↵ Enter Space (also ↵ Enter for menu items) ↵ Enter ↵ Enter
Select/move to first/last item in selected widget Home / End Home / End
Scroll selected view by one page up/left/down/right ⇞ / ⇟

(or Fn+↑}+Fn+↓ on some keyboards)

 PageUp / Ctrl+PageUp /
PageDown / Ctrl+PageDown
Scroll selected view to top/bottom ↖ or on MacBook Pro Fn + ⌥ Opt + ↖

↘ or on MacBook Pro Fn + ⌥ Opt + ↘
Switch focus to the next/previous tab within a window Ctrl+Tab ↹ Ctrl+Tab ↹ /

⌘ Cmd+`

 Ctrl+Tab ↹ ->

Ctrl+⇧ Shift+Tab ↹ <-
Switch focus to the next/previous panel on the desktop Ctrl+Alt+Tab ↹ / ⇧ Shift+Ctrl+Alt+Tab ↹
Switch focus to the next/previous panel (without dialog) Ctrl+Alt+Esc /

⇧ Shift+Ctrl+Alt+Esc

Read more about this topic:  Alt F4, Comparison of Keyboard Shortcuts

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