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Implement most ICCCM rules for selection handling.

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ICCCM mandates the use of real timestamps to interact with the
selection, to rule out race conditions if the clients are run at
different speeds. I have implemented the low hanging fruit, putting the
timestamps into text selection. Also, ICCCM mandates a check for whether
XSetSelectionOwner() worked. Not sure my version is correct, though.
This commit is contained in:
Markus Wichmann 2015-04-11 21:21:34 +02:00 committed by Roberto E. Vargas Caballero
parent 23ed12857f
commit 42fa1f5ce4
1 changed files with 13 additions and 8 deletions
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21
st.c
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@ -423,7 +423,7 @@ static void xsettitle(char *);
static void xresettitle(void);
static void xsetpointermotion(int);
static void xseturgency(int);
static void xsetsel(char *);
static void xsetsel(char *, Time);
static void xtermclear(int, int, int, int);
static void xunloadfont(Font *);
static void xunloadfonts(void);
@ -449,7 +449,7 @@ static void selinit(void);
static void selnormalize(void);
static inline bool selected(int, int);
static char *getsel(void);
static void selcopy(void);
static void selcopy(Time);
static void selscroll(int, int);
static void selsnap(int, int *, int *, int);
static int x2col(int);
@ -984,8 +984,8 @@ getsel(void) {
}
void
selcopy(void) {
xsetsel(getsel());
selcopy(Time t) {
xsetsel(getsel(), t);
}
void
@ -997,7 +997,7 @@ selnotify(XEvent *e) {
XSelectionEvent *xsev;
ofs = 0;
xsev = (XSelectionEvent *)e;
xsev = &e->xselection;
if (xsev->property == None)
return;
do {
@ -1083,6 +1083,9 @@ selrequest(XEvent *e) {
xev.selection = xsre->selection;
xev.target = xsre->target;
xev.time = xsre->time;
if (xsre->property == None)
xsre->property = xsre->target;
/* reject */
xev.property = None;
@ -1125,11 +1128,13 @@ selrequest(XEvent *e) {
}
void
xsetsel(char *str) {
xsetsel(char *str, Time t) {
free(sel.primary);
sel.primary = str;
XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, CurrentTime);
XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
selclear(0);
}
void
@ -1146,7 +1151,7 @@ brelease(XEvent *e) {
selclear(NULL);
} else {
getbuttoninfo(e);
selcopy();
selcopy(e->xbutton.time);
}
sel.mode = 0;
tsetdirt(sel.nb.y, sel.ne.y);