st

my build of st - simple terminal
git clone git://git.kocotian.pl/st.git
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commit 0cc7ee5e737c9df5a41a4bca708e583117830085
parent 4eddf19fdc2f3845c927291b99d3faefe73f98f3
Author: Christoph Lohmann <20h@r-36.net>
Date:   Sat,  6 Oct 2012 13:43:01 +0200

Removing the xclearborders() hack. St now cleans up the parts of the border,

if something needs to be drawn close to it.
Diffstat:
Mst.c | 59+++++++++++++++++++++++++++++++----------------------------
1 file changed, 31 insertions(+), 28 deletions(-)

diff --git a/st.c b/st.c @@ -224,7 +224,9 @@ typedef struct { int mode; int bx, by; int ex, ey; - struct {int x, y;} b, e; + struct { + int x, y; + } b, e; char *clip; Atom xtarget; bool alt; @@ -587,10 +589,10 @@ selected(int x, int y) { return BETWEEN(x, bx, ex); } - return ((sel.b.y < y&&y < sel.e.y) - || (y==sel.e.y && x<=sel.e.x)) - || (y==sel.b.y && x>=sel.b.x - && (x<=sel.e.x || sel.b.y!=sel.e.y)); + return ((sel.b.y < y && y < sel.e.y) + || (y == sel.e.y && x <= sel.e.x)) + || (y == sel.b.y && x >= sel.b.x + && (x <= sel.e.x || sel.b.y != sel.e.y)); } void @@ -803,12 +805,12 @@ brelease(XEvent *e) { /* double click to select word */ sel.bx = sel.ex; while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET && - term.line[sel.ey][sel.bx-1].c[0] != ' ') { + term.line[sel.ey][sel.bx-1].c[0] != ' ') { sel.bx--; } sel.b.x = sel.bx; while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET && - term.line[sel.ey][sel.ex+1].c[0] != ' ') { + term.line[sel.ey][sel.ex+1].c[0] != ' ') { sel.ex++; } sel.e.x = sel.ex; @@ -1031,7 +1033,8 @@ treset(void) { memset(term.tabs, 0, term.col * sizeof(*term.tabs)); for(i = TAB; i < term.col; i += TAB) term.tabs[i] = 1; - term.top = 0, term.bot = term.row - 1; + term.top = 0; + term.bot = term.row - 1; term.mode = MODE_WRAP; tclearregion(0, 0, term.col-1, term.row-1); @@ -1040,7 +1043,8 @@ treset(void) { void tnew(int col, int row) { /* set screen size */ - term.row = row, term.col = col; + term.row = row; + term.col = col; term.line = xmalloc(term.row * sizeof(Line)); term.alt = xmalloc(term.row * sizeof(Line)); term.dirty = xmalloc(term.row * sizeof(*term.dirty)); @@ -1437,8 +1441,8 @@ tsetmode(bool priv, bool set, int *args, int narg) { if(IS_SET(MODE_ALTSCREEN)) tclearregion(0, 0, term.col-1, term.row-1); if((set && !IS_SET(MODE_ALTSCREEN)) || - (!set && IS_SET(MODE_ALTSCREEN))) { - tswapscreen(); + (!set && IS_SET(MODE_ALTSCREEN))) { + tswapscreen(); } if(*args != 1049) break; @@ -1909,7 +1913,6 @@ tputc(char *c, int len) { case 'c': /* RIS -- Reset to inital state */ treset(); term.esc = 0; - xclearborders(); xresettitle(); break; case '=': /* DECPAM -- Application keypad */ @@ -2091,18 +2094,6 @@ xclear(int x1, int y1, int x2, int y2) { } void -xclearborders(void) { - /* top and left border */ - xclear(0, 0, BORDER, xw.h); - xclear(0, 0, xw.w, BORDER); - - /* lower and right border */ - xclear(BORDER, xw.th - 1, xw.w, xw.h); - /* Will just draw what hasn't been drawn by the previous call. */ - xclear(xw.tw - 1, BORDER, xw.w, xw.h - xw.th - 2); -} - -void xhints(void) { XClassHint class = {opt_class ? opt_class : TNAME, TNAME}; XWMHints wm = {.flags = InputHint, .input = 1}; @@ -2264,8 +2255,8 @@ xinit(void) { void xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { - int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch, - width = charlen*xw.cw; + int winx = BORDER + x * xw.cw, winy = BORDER + y * xw.ch, + width = charlen * xw.cw; Font *font = &dc.font; XGlyphInfo extents; XftColor *fg = &dc.xft_col[base.fg], *bg = &dc.xft_col[base.bg], @@ -2328,6 +2319,20 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { &extents); width = extents.xOff; + /* Intelligent cleaning up of the borders. */ + if(x == 0) { + xclear(0, (y == 0)? 0 : winy, BORDER, + winy + xw.ch + (y == term.row-1)? xw.h : 0); + } + if(x + charlen >= term.col-1) { + xclear(winx + width, (y == 0)? 0 : winy, xw.w, + winy + xw.ch + (y == term.row-1)? xw.h : 0); + } + if(y == 0) + xclear(winx, 0, winx + width, BORDER); + if(y == term.row-1) + xclear(winx, winy + xw.ch, winx + width, xw.h); + XftDrawRect(xw.xft_draw, bg, winx, winy, width, xw.ch); XftDrawStringUtf8(xw.xft_draw, fg, font->xft_set, winx, winy + font->ascent, (FcChar8 *)s, bytelen); @@ -2382,7 +2387,6 @@ void redraw(void) { struct timespec tv = {0, REDRAW_TIMEOUT * 1000}; - xclearborders(); tfulldirt(); draw(); XSync(xw.dpy, False); /* necessary for a good tput flash */ @@ -2598,7 +2602,6 @@ resize(XEvent *e) { tresize(col, row); xresize(col, row); - xclearborders(); ttyresize(); }