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-rw-r--r--src/screen.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/src/screen.c b/src/screen.c
index 12414c3..388c455 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -20,7 +20,7 @@ static void vt100_screen_push_string(char **strp, size_t *lenp,
static void vt100_screen_ensure_capacity(VT100Screen *vt, int size);
static struct vt100_row *vt100_screen_row_at(VT100Screen *vt, int row);
static int vt100_screen_scroll_region_is_active(VT100Screen *vt);
-static void vt100_screen_check_wrap(VT100Screen *vt, int is_wide);
+static void vt100_screen_check_wrap(VT100Screen *vt, int width);
VT100Screen *vt100_screen_new(int rows, int cols)
{
@@ -168,7 +168,7 @@ void vt100_screen_show_string_ascii(VT100Screen *vt, char *buf, size_t len)
for (i = 0; i < len; ++i) {
struct vt100_cell *cell;
- vt100_screen_check_wrap(vt, 0);
+ vt100_screen_check_wrap(vt, 1);
cell = vt100_screen_cell_at(vt, vt->grid->cur.row, vt->grid->cur.col);
cell->len = 1;
@@ -201,18 +201,12 @@ void vt100_screen_show_string_utf8(VT100Screen *vt, char *buf, size_t len)
while ((next = g_utf8_next_char(c))) {
gunichar uc;
struct vt100_cell *cell = NULL;
- int is_wide, is_combining;
- GUnicodeType ctype;
+ int width;
uc = g_utf8_get_char(c);
- /* XXX handle zero width characters */
- is_wide = vt100_is_wide_char(uc);
- ctype = g_unichar_type(uc);
- /* XXX should this also include spacing marks? */
- is_combining = ctype == G_UNICODE_ENCLOSING_MARK
- || ctype == G_UNICODE_NON_SPACING_MARK;
-
- if (is_combining) {
+ width = vt100_char_width(uc);
+
+ if (width == 0) {
if (vt->grid->cur.col > 0) {
cell = vt100_screen_cell_at(
vt, vt->grid->cur.row, vt->grid->cur.col - 1);
@@ -239,16 +233,16 @@ void vt100_screen_show_string_utf8(VT100Screen *vt, char *buf, size_t len)
}
}
else {
- vt100_screen_check_wrap(vt, is_wide);
+ vt100_screen_check_wrap(vt, width);
cell = vt100_screen_cell_at(
vt, vt->grid->cur.row, vt->grid->cur.col);
cell->len = next - c;
memcpy(cell->contents, c, cell->len);
cell->attrs = vt->attrs;
- cell->is_wide = is_wide;
+ cell->is_wide = width == 2;
- vt->grid->cur.col += is_wide ? 2 : 1;
+ vt->grid->cur.col += width;
}
c = next;
@@ -1081,9 +1075,9 @@ static int vt100_screen_scroll_region_is_active(VT100Screen *vt)
|| vt->grid->scroll_bottom != vt->grid->max.row - 1;
}
-static void vt100_screen_check_wrap(VT100Screen *vt, int is_wide)
+static void vt100_screen_check_wrap(VT100Screen *vt, int width)
{
- if (vt->grid->cur.col + (is_wide ? 2 : 1) > vt->grid->max.col) {
+ if (vt->grid->cur.col + width > vt->grid->max.col) {
vt100_screen_row_at(vt, vt->grid->cur.row)->wrapped = 1;
vt100_screen_move_down_or_scroll(vt);
vt->grid->cur.col = 0;