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Earle Martin writes: > What fucktard decided that hitting "backspace" should cause your > browser to go back a page? Ben Goodger decided it for 'Firefox' on Linux. It, and the 'Mozilla' suite, was apparently doing that on Windows for some time (for 'IE' compatibility, I think). On Linux BkSpc was a no-op, and Ben decided Linux users would also benefit from another keystroke for moving back, so that when they hit the ingrained keystroke for paging up instead of merely being mildly irritated by nothing happening, you can be properly annoyed by being on a different page to what you wanted. Fortunately I've now found how to make BkSpc mean page-up in 'Firefox' (on Linux anyway; not tested elsewhere). And, fortunately (from the point of view of keeping it on-topic on this list), it's hateful: 1 Install the 'keyconfig' extension. 2 Restart 'Firefox', because it can't possibly recognize a new extension without you losing all your state. 3 Go to the 'Extensions' window and discover the 'Options' button for the 'keyconfig' extension is greyed out, because this extension has put its config in a different place from most other extensions. 4 So go to the 'Tools' menu and choose the new 'Keyconfig' item. On the way past inadvertently make a mental note that its shortcut is Ctrl+Shift+F12. (At some point in the future you can try pressing that key combination, only to discover that the 'undoclosetab' extension also uses it, so it doesn't bring up the 'Keyconfig' window anyway, despite the label on the menu. Because it would be too hard to ensure that the code that determines the shortcut keys shown on menus used the same algorithm as that which determines what happens when you press a shortcut key.) 5 Click on the second row labelled 'Back' (yup, cos actions that have alternative keystrokes need multiple rows in the table -- but only those actions to which the browser developers have assigned multiple keystrokes by default have multiple rows; you can't add alternatives to any action), while trying to avoid thinking about why there's a row labelled 'Browser:Back' (assigned to Ctrl+[) and how that action might differ from just 'Back'. 6 Note that "Backspace" has appeared in a textbox under the list. Focus that textbox, and the text becomes highlighted. Attempt to remove the text by pressing BkSpc, but discover nothing happens. Try pressing Del and see the text "Del" appear in the box. Give up on that and press the 'Disable' button instead. 7 Scroll down the rest of the list and discover there is no 'Page Up' action to which a new keystroke can be assigned. Still having BkSpc not going back is halfway there. Press 'OK'. 8 "Alert: Changes affect only new windows." Grrr. 9 Quit and restart the browser again to check that this works. 10 Find the main 'Firefox' directory, and as root edit the file res/builtin/platformHTMLBindings.xml. Note that this will affect all users; the per-user version of this file doesn't actually work. Also note that you're going to have to redo this every time you upgrade 'Firefox'. Search for "cmd_scrollPageUp", and discover that it's assigned to Shift+Space. 11 (This step is now optional, but it wasn't the first time I tried this.) Search for documentation as to what the rune is for the BkSpc key. Find several places which apparently document it, for example as VK_BACK_SPACE, but where quitting and restarting the browser shows this not to work. Eventually discover it's VK_BACK. 12 Add this line to the platformHTMLBindings.xml file, just below the Shift+Space line: <handler event="keypress" keycode="VK_BACK" command="cmd_scrollPageUp" /> 13 Quit and restart the browser one last time. You can now use Space to page down and BkSpc to page up! I think I'd actually prefer for this not to be possible than for it to be achievable but only in such a convoluted way. And don't think about missing out steps 1-7 above: merely adding the line to platformHTMLBindings.xml is not sufficient for the end result. Smylers
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