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Add enumeration for sel.mode 

This patch also prevents sel.mode from increasing beyond 2. It is almost
impossible, but sel.mode may overflow if mouse is moved around for too
long while selecting.
This commit is contained in:
noname 2015-05-01 17:13:13 +00:00 committed by Roberto E. Vargas Caballero
parent 22571ea4e8
commit 1811b6030c
1 changed files with 14 additions and 9 deletions
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23
st.c
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@ -162,6 +162,12 @@ enum window_state {
WIN_FOCUSED = 2
};
enum selection_mode {
SEL_IDLE = 0,
SEL_EMPTY = 1,
SEL_READY = 2
};
enum selection_type {
SEL_REGULAR = 1,
SEL_RECTANGULAR = 2
@ -643,7 +649,7 @@ void
selinit(void) {
memset(&sel.tclick1, 0, sizeof(sel.tclick1));
memset(&sel.tclick2, 0, sizeof(sel.tclick2));
sel.mode = 0;
sel.mode = SEL_IDLE;
sel.ob.x = -1;
sel.primary = NULL;
sel.clipboard = NULL;
@ -897,7 +903,7 @@ bpress(XEvent *e) {
/* Clear previous selection, logically and visually. */
selclear(NULL);
sel.mode = 1;
sel.mode = SEL_EMPTY;
sel.type = SEL_REGULAR;
sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
@ -920,7 +926,7 @@ bpress(XEvent *e) {
* make clicks visible
*/
if(sel.snap != 0) {
sel.mode++;
sel.mode = SEL_READY;
tsetdirt(sel.nb.y, sel.ne.y);
}
sel.tclick2 = sel.tclick1;
@ -1142,13 +1148,12 @@ brelease(XEvent *e) {
if(e->xbutton.button == Button2) {
selpaste(NULL);
} else if(e->xbutton.button == Button1) {
if(sel.mode < 2) {
selclear(NULL);
} else {
if(sel.mode == SEL_READY) {
getbuttoninfo(e);
selcopy(e->xbutton.time);
}
sel.mode = 0;
} else
selclear(NULL);
sel.mode = SEL_IDLE;
tsetdirt(sel.nb.y, sel.ne.y);
}
}
@ -1165,7 +1170,7 @@ bmotion(XEvent *e) {
if(!sel.mode)
return;
sel.mode++;
sel.mode = SEL_READY;
oldey = sel.oe.y;
oldex = sel.oe.x;
oldsby = sel.nb.y;