diff options
Diffstat (limited to 'xorg-server/hw/xgl/egl/xeglinput.c')
-rw-r--r-- | xorg-server/hw/xgl/egl/xeglinput.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/xorg-server/hw/xgl/egl/xeglinput.c b/xorg-server/hw/xgl/egl/xeglinput.c new file mode 100644 index 000000000..8c50b7846 --- /dev/null +++ b/xorg-server/hw/xgl/egl/xeglinput.c @@ -0,0 +1,168 @@ +#include "xgl.h" +#include "xegl.h" + +KdOsFuncs *kdOsFuncs; +Bool kdEmulateMiddleButton; +Bool kdRawPointerCoordinates; +Bool kdDontZap; +Bool kdDisableZaphod; +int kdScreenPrivateIndex; + +static char * +KdParseFindNext (char *cur, char *delim, char *save, char *last) +{ + while (*cur && !strchr (delim, *cur)) + { + *save++ = *cur++; + } + *save = 0; + *last = *cur; + if (*cur) + cur++; + return cur; +} + +/* + * Mouse argument syntax: + * + * device,protocol,options... + * + * Options are any of: + * 1-5 n button mouse + * 2button emulate middle button + * {NMO} Reorder buttons + */ +char * +KdSaveString (char *str) +{ + char *n = (char *) xalloc (strlen (str) + 1); + + if (!n) + return 0; + strcpy (n, str); + return n; +} + +/* + * Parse mouse information. Syntax: + * + * <device>,<nbutton>,<protocol>{,<option>}... + * + * options: {nmo} pointer mapping (e.g. {321}) + * 2button emulate middle button + * 3button dont emulate middle button + */ +void +KdParseMouse (char *arg) +{ + char save[1024]; + char delim; + KdMouseInfo *mi; + int i; + + mi = KdMouseInfoAdd (); + if (!mi) + return; + mi->name = 0; + mi->prot = 0; + mi->emulateMiddleButton = kdEmulateMiddleButton; + mi->transformCoordinates = !kdRawPointerCoordinates; + mi->nbutton = 3; + for (i = 0; i < KD_MAX_BUTTON; i++) + mi->map[i] = i + 1; + + if (!arg) + return; + if (strlen (arg) >= sizeof (save)) + return; + arg = KdParseFindNext (arg, ",", save, &delim); + if (!save[0]) + return; + mi->name = KdSaveString (save); + if (delim != ',') + return; + + arg = KdParseFindNext (arg, ",", save, &delim); + if (!save[0]) + return; + + if ('1' <= save[0] && save[0] <= '0' + KD_MAX_BUTTON && save[1] == '\0') + { + mi->nbutton = save[0] - '0'; + if (mi->nbutton > KD_MAX_BUTTON) + { + UseMsg (); + return; + } + } + + if (!delim != ',') + return; + + arg = KdParseFindNext (arg, ",", save, &delim); + + if (save[0]) + mi->prot = KdSaveString (save); + + while (delim == ',') + { + arg = KdParseFindNext (arg, ",", save, &delim); + if (save[0] == '{') + { + char *s = save + 1; + i = 0; + while (*s && *s != '}') + { + if ('1' <= *s && *s <= '0' + mi->nbutton) + mi->map[i] = *s - '0'; + else + UseMsg (); + s++; + } + } + else if (!strcmp (save, "2button")) + mi->emulateMiddleButton = TRUE; + else if (!strcmp (save, "3button")) + mi->emulateMiddleButton = FALSE; + else if (!strcmp (save, "rawcoord")) + mi->transformCoordinates = FALSE; + else if (!strcmp (save, "transform")) + mi->transformCoordinates = TRUE; + else + UseMsg (); + } +} + +KdMouseInfo *kdMouseInfo; + +KdMouseInfo * +KdMouseInfoAdd (void) +{ + KdMouseInfo *mi, **prev; + + mi = (KdMouseInfo *) xalloc (sizeof (KdMouseInfo)); + if (!mi) + return 0; + bzero (mi, sizeof (KdMouseInfo)); + for (prev = &kdMouseInfo; *prev; prev = &(*prev)->next); + *prev = mi; + return mi; +} + +void +KdMouseInfoDispose (KdMouseInfo *mi) +{ + KdMouseInfo **prev; + + for (prev = &kdMouseInfo; *prev; prev = &(*prev)->next) + if (*prev == mi) + { + *prev = mi->next; + if (mi->name) + xfree (mi->name); + if (mi->prot) + xfree (mi->prot); + xfree (mi); + break; + } +} |