Adding wrap handling in selection.
authorChristoph Lohmann <20h@r-36.net>
Sun, 21 Apr 2013 11:01:16 +0000 (13:01 +0200)
committerChristoph Lohmann <20h@r-36.net>
Sun, 21 Apr 2013 11:01:16 +0000 (13:01 +0200)
st.c

diff --git a/st.c b/st.c
index bca9dc7..71e5b83 100644 (file)
--- a/st.c
+++ b/st.c
@@ -85,6 +85,7 @@ enum glyph_attribute {
        ATTR_GFX       = 8,
        ATTR_ITALIC    = 16,
        ATTR_BLINK     = 32,
+       ATTR_WRAP      = 64,
 };
 
 enum cursor_movement {
@@ -668,17 +669,15 @@ void
 selsnap(int mode, int *x, int *y, int direction) {
        switch(mode) {
        case SNAP_WORD:
-               while(*x > 0 && *x < term.col-1 && term.line[*y][*x + direction].c[0] != ' ') {
+               while(*x > 0 && *x < term.col-1
+                               && term.line[*y][*x + direction].c[0] != ' ') {
                        *x += direction;
                }
                break;
-
        case SNAP_LINE:
                *x = (direction < 0) ? 0 : term.col - 1;
                break;
-       
        default:
-               /* do nothing */
                break;
        }
 }
@@ -771,6 +770,7 @@ bpress(XEvent *e) {
                mousereport(e);
        } else if(e->xbutton.button == Button1) {
                gettimeofday(&now, NULL);
+
                /* Clear previous selection, logically and visually. */
                if(sel.bx != -1) {
                        sel.bx = -1;
@@ -781,14 +781,15 @@ bpress(XEvent *e) {
                sel.type = SEL_REGULAR;
                sel.ex = sel.bx = x2col(e->xbutton.x);
                sel.ey = sel.by = y2row(e->xbutton.y);
+
                /*
                 * Snap handling.
                 * If user clicks are fasst enough (e.g. below timeouts),
-                * we ignore if his hand slipped left or down and accidentally selected more;
-                * we are just snapping to whatever we're snapping.
+                * we ignore if his hand slipped left or down and accidentally
+                * selected more; we are just snapping to whatever we're
+                * snapping.
                 */
                if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
-                       /* Snap to line */
                        sel.snap = SNAP_LINE;
                } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
                        sel.snap = SNAP_WORD;
@@ -797,8 +798,15 @@ bpress(XEvent *e) {
                }
                selsnap(sel.snap, &sel.bx, &sel.by, -1);
                selsnap(sel.snap, &sel.ex, &sel.ey, 1);
-               sel.b.x = sel.bx, sel.b.y = sel.by, sel.e.x = sel.ex, sel.e.y = sel.ey;
-               /* Draw selection, unless it's regular and we don't want to make clicks visible */
+               sel.b.x = sel.bx;
+               sel.b.y = sel.by;
+               sel.e.x = sel.ex;
+               sel.e.y = sel.ey;
+
+               /*
+                * Draw selection, unless it's regular and we don't want to
+                * make clicks visible
+                */
                if (sel.snap != 0) {
                        tsetdirt(sel.b.y, sel.e.y);
                        draw();
@@ -834,9 +842,8 @@ selcopy(void) {
                                /* nothing */;
 
                        for(x = 0; gp <= last; x++, ++gp) {
-                               if(!selected(x, y)) {
+                               if(!selected(x, y))
                                        continue;
-                               }
 
                                size = utf8size(gp->c);
                                memcpy(ptr, gp->c, size);
@@ -852,7 +859,7 @@ selcopy(void) {
                         * st.
                         * FIXME: Fix the computer world.
                         */
-                       if(y < sel.e.y)
+                       if(y < sel.e.y && !((gp-1)->mode & ATTR_WRAP))
                                *ptr++ = '\n';
                }
                *ptr = 0;
@@ -2266,8 +2273,10 @@ tputc(char *c, int len) {
                return;
        if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
                sel.bx = -1;
-       if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
-               tnewline(1); /* always go to first col */
+       if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
+               term.line[term.c.y][term.c.x].mode |= ATTR_WRAP;
+               tnewline(1);
+       }
 
        if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
                memmove(&term.line[term.c.y][term.c.x+1],