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Full Discussion: X11: convert a string into keysym
Top Forums Programming X11: convert a string into keysym Post 302592271 by martina on Monday 23rd of January 2012 11:16:38 AM
Old 01-23-2012
X11: convert a string into keysym
Quote:
If they're not the right key codes, I don't know what reading them from the file would accomplish.
Sorry, i was not so clear. My vector contains just the "mnemonic macro names for these keysyms" (from X11/keysymdef.h), i.e.
Code:
kbdEventsVect[0] = XK_Up 
kbdEventsVect[1] = XK_Down
[...]

In X11/keysymdef.h
Code:
#define XK_Up                            0xff52
#define XK_Down                        0xff54

So my goal is to make my code read the kbdEventsVect[0], and map the corresponding string (XK_Up) to the correct int (0xff52). My problem is that the last step does not want to work, since my code does not read the string XK_Up to the correct macro in the X11 library.
Anyway, I found a loophole, not what I wanted but for know it is fine. I directly fill my string vector with the keysym codes (0xff52), so

Code:
kbdEventsVect[0] =0xff52

then I convert the string into an unsigned int
Code:
 unsigned int kbdKeyNum;

 kbdKeyNum = strtoul (kbdEventsVect[0].c_str(),NULL,0);
   
 sendKBEvent(display,kbdKeyNum, 0);

and now it works.

Thank you for your help!
 

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LEARN ABOUT REDHAT

isfunctionkey

IsCursorKey(3X11)						  XLIB FUNCTIONS						 IsCursorKey(3X11)

NAME

       IsCursorKey, IsFunctionKey, IsKeypadKey, IsMiscFunctionKey, IsModiferKey, IsPFKey, IsPrivateKeypadKey - keysym classification macros

SYNTAX

       IsCursorKey(keysym)

       IsFunctionKey(keysym)

       IsKeypadKey(keysym)

       IsMiscFunctionKey(keysym)

       IsModifierKey(keysym)

       IsPFKey(keysym)

       IsPrivateKeypadKey(keysym)

ARGUMENTS

       keysym	 Specifies the KeySym that is to be tested.

DESCRIPTION

       The IsCursorKey macro returns True if the specified KeySym is a cursor key.

       The IsFunctionKey macro returns True if the KeySym is a function key.

       The IsKeypadKey macro returns True if the specified KeySym is a keypad key.

       The IsMiscFunctionKey macro returns True if the specified KeySym is a miscellaneous function key.

       The IsModiferKey macro returns True if the specified KeySym is a modifier key.

       The IsPFKey macro returns True if the specified KeySym is a PF key.

       The IsPrivateKeypadKey macro returns True if the specified KeySym is a vendor-private keypad key.

SEE ALSO

       AllPlanes(3X11), BlackPixelOfScreen(3X11), ImageByteOrder(3X11)
       Xlib - C Language X Interface

X Version 11							    Release 6.6 						 IsCursorKey(3X11)
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