On Tue, Jul 20, 2004 at 01:10:56PM +0200, Guido Guenther wrote: > On Tue, Jul 20, 2004 at 05:38:21AM -0400, Thomas Dickey wrote: > > looking for style 'Root' > > VTInitModifiers > > alt_left mask 0x8 is Mod1 modifier > > alt_right mask 0x8 is Mod1 modifier > > TranslationsUseKeyword(7ac10):#override > Mine says: > > VTInitModifiers > meta_left mask 0x8 is Mod1 modifier > alt_right mask 0x8 is Mod1 modifier > num_lock mask 0x10 is Mod2 modifier > meta_right mask 0x40 is Mod4 modifier > > Which looks sane as far as I can tell. I don't think that this helps > much, but it seems that gnome-terminal still handels this correctly. > Let me know if I can provide any more interesting data.
One possibility (which I read on one of the newsgroups a few years ago) is that detecting modifiers doesn't work if you try using one of the pairs of keys such as Alt_L as a meta key. (I don't recall the explanation, other than that it was a limitation of the way the modifier information is stored). I just setup a case like that, and indeed it doesn't work. For instance, using this with xmodmap: keycode 115 = Meta_L add mod1 = Meta_L remove mod1 = Alt_L produces this output from xmodmap (but I'm puzzled by the stray "," which looks as if I have more work to do): xmodmap: up to 3 keys per modifier, (keycodes in parentheses): shift Shift_L (0x32), Shift_R (0x3e) lock Caps_Lock (0x42) control Control_L (0x25), Control_R (0x6d) mod1 , Alt_R (0x71), Meta_L (0x73) mod2 Num_Lock (0x4d) mod3 mod4 Meta_L (0x73), Super_R (0x74) mod5 and in xterm's trace I have VTInitModifiers alt_right mask 0x8 is Mod1 modifier meta_left mask 0x8 is Mod1 modifier num_lock mask 0x10 is Mod2 modifier meta_left mask 0x48 is Mod1 modifier TranslationsUseKeyword(0x80c10f0):#override so that might be roughly what you have. Checking the rest of Trace-parent.out, I don't see any modifiers when I press left-alt (meta). The lines beginning "Input keysym" would show any modifiers that are in the event. In the text below, I pressed left-alt + 'm' twice (no mod1), but pressing right-alt with 'm' got a modifier. Input keysym 0xFFE9, 0:'' 7bit Input keysym 0x006D, 1:'m' 7bit Input keysym 0x006D, 1:'m' 7bit Input keysym 0xFFEA, 0:'' 7bit Input keysym 0x006D, 1:'m' 7bit Input keysym 0x006D, 1:'m' 7bit Input keysym 0xFFE4, 0:'' 7bit Input keysym 0x006D, 1:'^M' Control 7bit Input keysym 0x006D, 1:'^M' Control 7bit Input keysym 0xFFE7, 0:'' 7bit Input keysym 0x006D, 1:'m' Mod1 Mod4 8bit Input keysym 0x006D, 1:'m' Mod1 Mod4 8bit Input keysym 0xFFE3, 0:'' 7bit Input keysym 0x0064, 1:'^D' Control 7bit Input keysym 0x0064, 1:'^D' Control 7bit gnome-terminal might be trapping the keypress events (something to check on), or getting the information in some other way that hasn't occurred to me. -- Thomas E. Dickey http://invisible-island.net ftp://invisible-island.net
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