static void
sel_drag(pos selpoint)
{
term.selected = true;
if (!term.sel_rect) {
/*
* For normal selection, we set (sel_start,sel_end) to
* (selpoint,sel_anchor) in some order.
*/
if (poslt(selpoint, term.sel_anchor)) {
term.sel_start = selpoint;
term.sel_end = term.sel_anchor;
}
else {
term.sel_start = term.sel_anchor;
term.sel_end = selpoint;
}
incpos(term.sel_end);
sel_spread();
}
else {
/*
* For rectangular selection, we may need to
* interchange x and y coordinates (if the user has
* dragged in the -x and +y directions, or vice versa).
*/
term.sel_start.x = min(term.sel_anchor.x, selpoint.x);
term.sel_end.x = 1 + max(term.sel_anchor.x, selpoint.x);
term.sel_start.y = min(term.sel_anchor.y, selpoint.y);
term.sel_end.y = max(term.sel_anchor.y, selpoint.y);
}
}
void term_mouse (Mouse_Button b, Mouse_Action a, int x, int y) {
unsigned long *selpoint;
if (y<0) y = 0;
if (y>=rows) y = rows-1;
if (x<0) {
if (y > 0) {
x = cols-1;
y--;
} else
x = 0;
}
if (x>=cols) x = cols-1;
selpoint = disptop + y * (cols+1) + x;
if (b == MB_SELECT && a == MA_CLICK) {
deselect();
selstate = ABOUT_TO;
selanchor = selpoint;
selmode = SM_CHAR;
} else if (b == MB_SELECT && (a == MA_2CLK || a == MA_3CLK)) {
deselect();
selmode = (a == MA_2CLK ? SM_WORD : SM_LINE);
selstate = DRAGGING;
selstart = selanchor = selpoint;
selend = selstart + 1;
sel_spread();
} else if ((b == MB_SELECT && a == MA_DRAG) ||
(b == MB_EXTEND && a != MA_RELEASE)) {
if (selstate == ABOUT_TO && selanchor == selpoint)
return;
if (b == MB_EXTEND && a != MA_DRAG && selstate == SELECTED) {
if (selpoint-selstart < (selend-selstart)/2)
selanchor = selend - 1;
else
selanchor = selstart;
selstate = DRAGGING;
}
if (selstate != ABOUT_TO && selstate != DRAGGING)
selanchor = selpoint;
selstate = DRAGGING;
if (selpoint < selanchor) {
selstart = selpoint;
selend = selanchor + 1;
} else {
selstart = selanchor;
selend = selpoint + 1;
}
sel_spread();
} else if ((b == MB_SELECT || b == MB_EXTEND) && a == MA_RELEASE) {
if (selstate == DRAGGING) {
/*
* We've completed a selection. We now transfer the
* data to the clipboard.
*/
unsigned char *p = selspace;
unsigned long *q = selstart;
while (q < selend) {
int nl = FALSE;
unsigned long *lineend = q - (q-text) % (cols+1) + cols;
unsigned long *nlpos = lineend;
if (!(*nlpos & ATTR_WRAPPED)) {
while ((nlpos[-1] & CHAR_MASK) == 0x20 && nlpos > q)
nlpos--;
if (nlpos < selend)
nl = TRUE;
}
while (q < nlpos && q < selend)
*p++ = (unsigned char) (*q++ & CHAR_MASK);
if (nl) {
int i;
for (i=0; i<sizeof(sel_nl); i++)
*p++ = sel_nl[i];
}
q = lineend + 1; /* start of next line */
}
write_clip (selspace, p - selspace);
selstate = SELECTED;
} else
selstate = NO_SELECTION;
} else if (b == MB_PASTE && (a==MA_CLICK || a==MA_2CLK || a==MA_3CLK)) {
char *data;
int len;
get_clip((void **) &data, &len);
if (data) {
char *p, *q;
p = q = data;
while (p < data+len) {
while (p < data+len &&
!(p <= data+len-sizeof(sel_nl) &&
!memcmp(p, sel_nl, sizeof(sel_nl))))
p++;
{
int i;
unsigned char c;
for(i=0;i<p-q;i++)
{
c=xlat_kbd2tty(q[i]);
ldisc->send(&c,1);
}
}
if (p <= data+len-sizeof(sel_nl) &&
!memcmp(p, sel_nl, sizeof(sel_nl))) {
ldisc->send ("\r", 1);
p += sizeof(sel_nl);
}
q = p;
}
}
get_clip(NULL, NULL);
}
term_update();
}
