st

fork of suckless's simple terminal
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commit b596d6ba3c50bc379adc298a4e2ba7c122b116ab
parent 872a7f18eaffd96eefb31e3dcb45fd86bc67029b
Author: Christoph Lohmann <20h@r-36.net>
Date:   Sun, 21 Apr 2013 13:01:16 +0200

Adding wrap handling in selection.

Diffstat:
Mst.c | 37+++++++++++++++++++++++--------------
1 file changed, 23 insertions(+), 14 deletions(-)
diff --git 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],