# st

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    commit 8de8ae3923b3b91b034077c8c35acba629588233
    parent ec3268961d1dc4072f6caa6f97db5436da2ff411
    Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
    Date:   Thu,  7 Aug 2014 10:11:38 +0200

    Unset mode when clearing regions

    tclearregion() was clearing regions using spaces and the current
    attributes of the terminal. It was correct with all the modes excepct
    underline, because they didn't affect the space character, but in
    the case of underline it was a problem. A easy way of seeing this
    problem is writing this in the last line of the terminal:

    	tput smul ; echo first; tput rmul; echo second; echo third

    Fist was underlined, and second and third were not underlined, but
    the spaces at the right of second was underlined becuause in the
    previous scrool underline mode was set.

    Diffstat:
    Mst.c | 8++++++--

    1 file changed, 6 insertions(+), 2 deletions(-)
    diff --git a/st.c b/st.c
    @@ -1553,6 +1553,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
     void
     tclearregion(int x1, int y1, int x2, int y2) {
     	int x, y, temp;
    +	Glyph *gp;

     	if(x1 > x2)
     		temp = x1, x1 = x2, x2 = temp;
    @@ -1567,10 +1568,13 @@ tclearregion(int x1, int y1, int x2, int y2) {
     	for(y = y1; y <= y2; y++) {
     		term.dirty[y] = 1;
     		for(x = x1; x <= x2; x++) {
    +			gp = &term.line[y][x];
     			if(selected(x, y))
     				selclear(NULL);
    -			term.line[y][x] = term.c.attr;
    -			memcpy(term.line[y][x].c, " ", 2);
    +			gp->fg = term.c.attr.fg;
    +			gp->bg = term.c.attr.bg;
    +			gp->mode = 0;
    +			memcpy(gp->c, " ", 2);
     		}
     	}
     }