X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/636c369d86b6452a89f54c497a9816ca1f866d4e..10e49a0505a250fc78c41842d93eb2a0abaf4c93:/st.c
diff --git a/st.c b/st.c
index 84292f5..5715f0f 100644
--- a/st.c
+++ b/st.c
@@ -20,7 +20,7 @@
#include <X11/keysym.h>
#include <X11/Xutil.h>
-#define TNAME "xterm"
+#define TNAME "st-256color"
/* Arbitrary sizes */
#define ESC_TITLE_SIZ 256
@@ -39,7 +39,8 @@
/* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */
enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 };
-enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT, CURSOR_HIDE, CURSOR_DRAW, CURSOR_SAVE, CURSOR_LOAD };
+enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT, CURSOR_HIDE, CURSOR_DRAW,
+ CURSOR_SAVE, CURSOR_LOAD };
enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4 };
enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 };
@@ -56,8 +57,7 @@ typedef struct {
typedef Glyph* Line;
typedef struct {
- Glyph attr; /* current char attributes */
- char hidden;
+ Glyph attr; /* current char attributes */
int x;
int y;
} TCursor;
@@ -66,23 +66,24 @@ typedef struct {
/* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
typedef struct {
char buf[ESC_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
+ int len; /* raw string length */
char priv;
int arg[ESC_ARG_SIZ];
- int narg; /* nb of args */
+ int narg; /* nb of args */
char mode;
} CSIEscape;
/* Internal representation of the screen */
typedef struct {
- int row; /* nb row */
- int col; /* nb col */
+ int row; /* nb row */
+ int col; /* nb col */
Line* line; /* screen */
- TCursor c; /* cursor */
- int top; /* top scroll limit */
- int bot; /* bottom scroll limit */
- int mode; /* terminal mode flags */
- int esc; /* escape state flags */
+ TCursor c; /* cursor */
+ char hidec;
+ int top; /* top scroll limit */
+ int bot; /* bottom scroll limit */
+ int mode; /* terminal mode flags */
+ int esc; /* escape state flags */
char title[ESC_TITLE_SIZ];
int titlelen;
} Term;
@@ -91,9 +92,12 @@ typedef struct {
typedef struct {
Display* dis;
Window win;
+ Pixmap buf;
int scr;
- int w; /* window width */
- int h; /* window height */
+ int w; /* window width */
+ int h; /* window height */
+ int bufw; /* pixmap width */
+ int bufh; /* pixmap height */
int ch; /* char height */
int cw; /* char width */
} XWindow;
@@ -107,8 +111,9 @@ typedef struct {
/* Drawing Context */
typedef struct {
- unsigned long col[LEN(colorname)];
+ unsigned long col[256];
XFontStruct* font;
+ XFontStruct* bfont;
GC gc;
} DC;
@@ -135,8 +140,11 @@ static void tnew(int, int);
static void tnewline(void);
static void tputc(char);
static void tputs(char*, int);
+static void treset(void);
static void tresize(int, int);
static void tscroll(void);
+static void tscrollup(int);
+static void tscrolldown(int);
static void tsetattr(int*, int);
static void tsetchar(char);
static void tsetscroll(int, int);
@@ -146,15 +154,12 @@ static void ttyread(void);
static void ttyresize(int, int);
static void ttywrite(const char *, size_t);
-static unsigned long xgetcol(const char *);
static void xclear(int, int, int, int);
static void xcursor(int);
-static void xdrawc(int, int, Glyph);
static void xinit(void);
-static void xscroll(void);
static void expose(XEvent *);
-static char * kmap(KeySym);
+static char* kmap(KeySym);
static void kpress(XEvent *);
static void resize(XEvent *);
@@ -205,14 +210,15 @@ die(const char *errstr, ...) {
void
execsh(void) {
- char *args[3] = {SHELL, "-i", NULL};
+ char *args[3] = {getenv("SHELL"), "-i", NULL};
+ DEFAULT(args[0], "/bin/sh"); /* default shell if getenv() failed */
putenv("TERM=" TNAME);
- execvp(SHELL, args);
+ execvp(args[0], args);
}
void
xbell(void) { /* visual bell */
- XRectangle r = { 0, 0, xw.w, xw.h };
+ XRectangle r = { BORDER, BORDER, xw.bufw, xw.bufh };
XSetForeground(xw.dis, dc.gc, dc.col[BellCol]);
XFillRectangles(xw.dis, xw.win, dc.gc, &r, 1);
/* usleep(30000); */
@@ -312,6 +318,18 @@ tcursor(int mode) {
term.c = c, tmoveto(c.x, c.y);
}
+void
+treset(void) {
+ term.c.attr.mode = ATTR_NULL;
+ term.c.attr.fg = DefaultFG;
+ term.c.attr.bg = DefaultBG;
+ term.c.x = term.c.y = 0;
+ term.hidec = 0;
+ term.top = 0, term.bot = term.row - 1;
+ term.mode = MODE_WRAP;
+ tclearregion(0, 0, term.col-1, term.row-1);
+}
+
void
tnew(int col, int row) { /* screen size */
term.row = row, term.col = col;
@@ -323,25 +341,58 @@ tnew(int col, int row) { /* screen size */
term.c.attr.fg = DefaultFG;
term.c.attr.bg = DefaultBG;
term.c.x = term.c.y = 0;
- term.c.hidden = 0;
+ term.hidec = 0;
/* allocate screen */
term.line = calloc(term.row, sizeof(Line));
for(row = 0 ; row < term.row; row++)
term.line[row] = calloc(term.col, sizeof(Glyph));
}
+/* TODO: Replace with scrollup/scolldown */
void
tscroll(void) {
Line temp = term.line[term.top];
int i;
- /* X stuff _before_ the line swapping (results in wrong line index) */
- xscroll();
+
for(i = term.top; i < term.bot; i++)
term.line[i] = term.line[i+1];
memset(temp, 0, sizeof(Glyph) * term.col);
term.line[term.bot] = temp;
}
+void
+tscrolldown (int n) {
+ int i;
+ Line temp;
+
+ LIMIT(n, 0, term.bot-term.top+1);
+
+ for(i = 0; i < n; i++)
+ memset(term.line[term.bot-i], 0, term.col*sizeof(Glyph));
+
+ for(i = term.bot; i >= term.top+n; i--) {
+ temp = term.line[i];
+ term.line[i] = term.line[i-n];
+ term.line[i-n] = temp;
+ }
+}
+
+void
+tscrollup (int n) {
+ int i;
+ Line temp;
+ LIMIT(n, 0, term.bot-term.top+1);
+
+ for(i = 0; i < n; i++)
+ memset(term.line[term.top+i], 0, term.col*sizeof(Glyph));
+
+ for(i = term.top; i <= term.bot-n; i++) {
+ temp = term.line[i];
+ term.line[i] = term.line[i+n];
+ term.line[i+n] = temp;
+ }
+}
+
void
tnewline(void) {
int y = term.c.y + 1;
@@ -415,24 +466,25 @@ void
tsetchar(char c) {
term.line[term.c.y][term.c.x] = term.c.attr;
term.line[term.c.y][term.c.x].c = c;
- term.line[term.c.y][term.c.x].state |= GLYPH_SET | GLYPH_DIRTY;
+ term.line[term.c.y][term.c.x].state |= GLYPH_SET;
}
void
tclearregion(int x1, int y1, int x2, int y2) {
- int x, y;
+ int y, temp;
+
+ if(x1 > x2)
+ temp = x1, x1 = x2, x2 = temp;
+ if(y1 > y2)
+ temp = y1, y1 = y2, y2 = temp;
LIMIT(x1, 0, term.col-1);
LIMIT(x2, 0, term.col-1);
LIMIT(y1, 0, term.row-1);
LIMIT(y2, 0, term.row-1);
- /* XXX: could be optimized */
- for(x = x1; x <= x2; x++)
- for(y = y1; y <= y2; y++)
- memset(&term.line[y][x], 0, sizeof(Glyph));
-
- xclear(x1, y1, x2, y2);
+ for(y = y1; y <= y2; y++)
+ memset(&term.line[y][x1], 0, sizeof(Glyph)*(x2-x1+1));
}
void
@@ -463,13 +515,6 @@ tinsertblank(int n) {
tclearregion(src, term.c.y, dst, term.c.y);
}
-void
-tsetlinestate(int n, int state) {
- int i;
- for(i = 0; i < term.col; i++)
- term.line[n][i].state |= state;
-}
-
void
tinsertblankline(int n) {
int i;
@@ -491,8 +536,6 @@ tinsertblankline(int n) {
term.line[i-n] = blank;
/* blank it */
memset(blank, 0, term.col * sizeof(Glyph));
- tsetlinestate(i, GLYPH_DIRTY);
- tsetlinestate(i-n, GLYPH_DIRTY);
}
}
@@ -517,8 +560,6 @@ tdeleteline(int n) {
term.line[i+n] = blank;
/* blank it */
memset(blank, 0, term.col * sizeof(Glyph));
- tsetlinestate(i, GLYPH_DIRTY);
- tsetlinestate(i-n, GLYPH_DIRTY);
}
}
@@ -542,11 +583,8 @@ tsetattr(int *attr, int l) {
case 7:
term.c.attr.mode |= ATTR_REVERSE;
break;
- case 8:
- term.c.hidden = CURSOR_HIDE;
- break;
case 22:
- term.c.attr.mode &= ~ATTR_BOLD;
+ term.c.attr.mode &= ~ATTR_BOLD;
break;
case 24:
term.c.attr.mode &= ~ATTR_UNDERLINE;
@@ -554,17 +592,45 @@ tsetattr(int *attr, int l) {
case 27:
term.c.attr.mode &= ~ATTR_REVERSE;
break;
+ case 38:
+ if (i + 2 < l && attr[i + 1] == 5) {
+ i += 2;
+ if (BETWEEN(attr[i], 0, 255))
+ term.c.attr.fg = attr[i];
+ else
+ fprintf(stderr, "erresc: bad fgcolor %d\n", attr[i]);
+ }
+ else
+ fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
+ break;
case 39:
term.c.attr.fg = DefaultFG;
break;
+ case 48:
+ if (i + 2 < l && attr[i + 1] == 5) {
+ i += 2;
+ if (BETWEEN(attr[i], 0, 255))
+ term.c.attr.bg = attr[i];
+ else
+ fprintf(stderr, "erresc: bad bgcolor %d\n", attr[i]);
+ }
+ else
+ fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
+ break;
case 49:
- term.c.attr.fg = DefaultBG;
+ term.c.attr.bg = DefaultBG;
break;
default:
if(BETWEEN(attr[i], 30, 37))
term.c.attr.fg = attr[i] - 30;
else if(BETWEEN(attr[i], 40, 47))
term.c.attr.bg = attr[i] - 40;
+ else if(BETWEEN(attr[i], 90, 97))
+ term.c.attr.fg = attr[i] - 90 + 8;
+ else if(BETWEEN(attr[i], 100, 107))
+ term.c.attr.fg = attr[i] - 100 + 8;
+ else
+ fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
break;
}
}
@@ -590,7 +656,7 @@ csihandle(void) {
switch(escseq.mode) {
default:
unknown:
- printf("erresc: unknown sequence -- ");
+ printf("erresc: unknown csi ");
csidump();
/* die(""); */
break;
@@ -627,7 +693,7 @@ csihandle(void) {
case 'G': /* CHA -- Move to <col> */
case '`': /* XXX: HPA -- same? */
DEFAULT(escseq.arg[0], 1);
- tmoveto(escseq.arg[0]-1, term.c.y);
+ tmoveto(escseq.arg[0]-1, term.c.y);
break;
case 'H': /* CUP -- Move to <row> <col> */
case 'f': /* XXX: HVP -- same? */
@@ -665,7 +731,14 @@ csihandle(void) {
break;
}
break;
- case 'S': /* XXX: SU -- Scroll <n> line up (faked) */
+ case 'S': /* SU -- Scroll <n> line up */
+ DEFAULT(escseq.arg[0], 1);
+ tscrollup(escseq.arg[0]);
+ break;
+ case 'T': /* SD -- Scroll <n> line down */
+ DEFAULT(escseq.arg[0], 1);
+ tscrolldown(escseq.arg[0]);
+ break;
case 'L': /* IL -- Insert <n> blank lines */
DEFAULT(escseq.arg[0], 1);
tinsertblankline(escseq.arg[0]);
@@ -682,7 +755,7 @@ csihandle(void) {
case 12: /* att610 -- Stop blinking cursor (IGNORED) */
break;
case 25:
- term.c.hidden = 1;
+ term.hidec = 1;
break;
case 1048: /* XXX: no alt. screen to erase/save */
case 1049:
@@ -731,7 +804,7 @@ csihandle(void) {
case 12: /* att610 -- Start blinking cursor (IGNORED) */
break;
case 25:
- term.c.hidden = 0;
+ term.hidec = 0;
break;
case 1048:
case 1049: /* XXX: no alt. screen to erase/save */
@@ -800,7 +873,6 @@ tputtab(void) {
void
tputc(char c) {
- /* dump(c); */
if(term.esc & ESC_START) {
if(term.esc & ESC_CSI) {
escseq.buf[escseq.len++] = c;
@@ -833,7 +905,7 @@ tputc(char c) {
printf("esc unhandled charset: ESC ( %c\n", c);
}
term.esc = 0;
- } else {
+ } else {
switch(c) {
case '[':
term.esc |= ESC_CSI;
@@ -856,10 +928,25 @@ tputc(char c) {
tmoveto(term.c.x+1, term.c.y);
term.esc = 0;
break;
- case 'D':
+ case 'D': /* XXX: CUP (VT100) or IND (VT52) ... */
tmoveto(term.c.x-1, term.c.y);
term.esc = 0;
break;
+ case 'E': /* NEL -- Next line */
+ tnewline();
+ term.esc = 0;
+ break;
+ case 'M': /* RI -- Reverse index */
+ if(term.c.y == term.top)
+ tscrolldown(1);
+ else
+ tmoveto(term.c.x, term.c.y-1);
+ term.esc = 0;
+ break;
+ case 'c': /* RIS -- Reset to inital state */
+ treset();
+ term.esc = 0;
+ break;
case '=': /* DECPAM */
term.mode |= MODE_APPKEYPAD;
term.esc = 0;
@@ -870,12 +957,14 @@ tputc(char c) {
break;
case '7':
tcursor(CURSOR_SAVE);
+ term.esc = 0;
break;
case '8':
tcursor(CURSOR_LOAD);
+ term.esc = 0;
break;
default:
- fprintf(stderr, "erresc: unknown sequence ESC %02X '%c'\n", c, isprint(c)?c:'.');
+ fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", c, isprint(c)?c:'.');
term.esc = 0;
}
}
@@ -909,7 +998,7 @@ tputc(char c) {
}
void
-tputs(char *s, int len) {
+tputs(char *s, int len) {
for(; len > 0; len--)
tputc(*s++);
}
@@ -945,88 +1034,107 @@ tresize(int col, int row) {
term.col = col, term.row = row;
}
-unsigned long
-xgetcol(const char *s) {
+void
+tloadcols(void) {
+ int i, r, g, b;
XColor color;
Colormap cmap = DefaultColormap(xw.dis, xw.scr);
+ unsigned long white = WhitePixel(xw.dis, xw.scr);
+
+ for(i = 0; i < 16; i++) {
+ if (!XAllocNamedColor(xw.dis, cmap, colorname[i], &color, &color)) {
+ dc.col[i] = white;
+ fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]);
+ } else
+ dc.col[i] = color.pixel;
+ }
+
+ /* same colors as xterm */
+ for(r = 0; r < 6; r++)
+ for(g = 0; g < 6; g++)
+ for(b = 0; b < 6; b++) {
+ color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
+ color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
+ color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
+ if (!XAllocColor(xw.dis, cmap, &color)) {
+ dc.col[i] = white;
+ fprintf(stderr, "Could not allocate color %d\n", i);
+ } else
+ dc.col[i] = color.pixel;
+ i++;
+ }
- if(!XAllocNamedColor(xw.dis, cmap, s, &color, &color)) {
- color.pixel = WhitePixel(xw.dis, xw.scr);
- fprintf(stderr, "Could not allocate color '%s'\n", s);
+ for(r = 0; r < 24; r++, i++) {
+ color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
+ if (!XAllocColor(xw.dis, cmap, &color)) {
+ dc.col[i] = white;
+ fprintf(stderr, "Could not allocate color %d\n", i);
+ } else
+ dc.col[i] = color.pixel;
}
- return color.pixel;
}
void
xclear(int x1, int y1, int x2, int y2) {
- XClearArea(xw.dis, xw.win,
- x1 * xw.cw, y1 * xw.ch,
- (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch,
- False);
+ XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]);
+ XFillRectangle(xw.dis, xw.buf, dc.gc,
+ x1 * xw.cw, y1 * xw.ch,
+ (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch);
}
void
-xscroll(void) {
- int srcy = (term.top+1) * xw.ch;
- int dsty = term.top * xw.ch;
- int height = (term.bot-term.top) * xw.ch;
-
- xcursor(CURSOR_HIDE);
- XCopyArea(xw.dis, xw.win, xw.win, dc.gc, 0, srcy, xw.w, height, 0, dsty);
- xclear(0, term.bot, term.col-1, term.bot);
+xhints(void)
+{
+ XClassHint class = {TNAME, TNAME};
+ XWMHints wm = {.flags = InputHint, .input = 1};
+ XSizeHints size = {
+ .flags = PSize | PResizeInc | PBaseSize,
+ .height = xw.h,
+ .width = xw.w,
+ .height_inc = xw.ch,
+ .width_inc = xw.cw,
+ .base_height = 2*BORDER,
+ .base_width = 2*BORDER,
+ };
+ XSetWMProperties(xw.dis, xw.win, NULL, NULL, NULL, 0, &size, &wm, &class);
}
void
xinit(void) {
- XGCValues values;
- unsigned long valuemask;
- XClassHint chint;
- XWMHints wmhint;
- XSizeHints shint;
- char *args[] = {NULL};
- int i;
-
xw.dis = XOpenDisplay(NULL);
xw.scr = XDefaultScreen(xw.dis);
if(!xw.dis)
die("Can't open display\n");
/* font */
- if(!(dc.font = XLoadQueryFont(xw.dis, FONT)))
- die("Can't load font %s\n", FONT);
+ if(!(dc.font = XLoadQueryFont(xw.dis, FONT)) || !(dc.bfont = XLoadQueryFont(xw.dis, BOLDFONT)))
+ die("Can't load font %s\n", dc.font ? BOLDFONT : FONT);
+ /* XXX: Assuming same size for bold font */
xw.cw = dc.font->max_bounds.rbearing - dc.font->min_bounds.lbearing;
- xw.ch = dc.font->ascent + dc.font->descent + LINESPACE;
+ xw.ch = dc.font->ascent + dc.font->descent;
/* colors */
- for(i = 0; i < LEN(colorname); i++)
- dc.col[i] = xgetcol(colorname[i]);
+ tloadcols();
term.c.attr.fg = DefaultFG;
term.c.attr.bg = DefaultBG;
term.c.attr.mode = ATTR_NULL;
/* windows */
- xw.h = term.row * xw.ch;
- xw.w = term.col * xw.cw;
- /* XXX: this BORDER is useless after the first resize, handle it in xdraws() */
+ xw.h = term.row * xw.ch + 2*BORDER;
+ xw.w = term.col * xw.cw + 2*BORDER;
xw.win = XCreateSimpleWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0,
- xw.w, xw.h, BORDER,
+ xw.w, xw.h, 0,
dc.col[DefaultBG],
dc.col[DefaultBG]);
+ xw.bufw = xw.w - 2*BORDER;
+ xw.bufh = xw.h - 2*BORDER;
+ xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr));
/* gc */
- values.foreground = XWhitePixel(xw.dis, xw.scr);
- values.font = dc.font->fid;
- valuemask = GCForeground | GCFont;
- dc.gc = XCreateGC(xw.dis, xw.win, valuemask, &values);
+ dc.gc = XCreateGC(xw.dis, xw.win, 0, NULL);
XMapWindow(xw.dis, xw.win);
- /* wm stuff */
- chint.res_name = TNAME, chint.res_class = TNAME;
- wmhint.input = 1, wmhint.flags = InputHint;
- shint.height_inc = xw.ch, shint.width_inc = xw.cw;
- shint.height = xw.h, shint.width = xw.w;
- shint.flags = PSize | PResizeInc;
- XSetWMProperties(xw.dis, xw.win, NULL, NULL, &args[0], 0, &shint, &wmhint, &chint);
- XStoreName(xw.dis, xw.win, TNAME);
+ xhints();
+ XStoreName(xw.dis, xw.win, "st");
XSync(xw.dis, 0);
}
@@ -1046,28 +1154,13 @@ xdraws(char *s, Glyph base, int x, int y, int len) {
if(base.mode & ATTR_GFX)
for(i = 0; i < len; i++)
- s[i] = gfx[s[i]];
-
- XDrawImageString(xw.dis, xw.win, dc.gc, winx, winy, s, len);
+ s[i] = gfx[(int)s[i]];
+
+ XSetFont(xw.dis, dc.gc, base.mode & ATTR_BOLD ? dc.bfont->fid : dc.font->fid);
+ XDrawImageString(xw.dis, xw.buf, dc.gc, winx, winy, s, len);
if(base.mode & ATTR_UNDERLINE)
- XDrawLine(xw.dis, xw.win, dc.gc, winx, winy+1, winx+width-1, winy+1);
-}
-
-void
-xdrawc(int x, int y, Glyph g) {
- XRectangle r = { x * xw.cw, y * xw.ch, xw.cw, xw.ch };
- unsigned long xfg, xbg;
-
- /* reverse video */
- if(g.mode & ATTR_REVERSE)
- xfg = dc.col[g.bg], xbg = dc.col[g.fg];
- else
- xfg = dc.col[g.fg], xbg = dc.col[g.bg];
- /* background */
- XSetBackground(xw.dis, dc.gc, xbg);
- XSetForeground(xw.dis, dc.gc, xfg);
- XDrawImageString(xw.dis, xw.win, dc.gc, r.x, r.y+dc.font->ascent, &g.c, 1);
+ XDrawLine(xw.dis, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
}
void
@@ -1081,24 +1174,57 @@ xcursor(int mode) {
if(term.line[term.c.y][term.c.x].state & GLYPH_SET)
g.c = term.line[term.c.y][term.c.x].c;
+
/* remove the old cursor */
if(term.line[oldy][oldx].state & GLYPH_SET)
- xdrawc(oldx, oldy, term.line[oldy][oldx]);
- else
+ xdraws(&term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1);
+ else
xclear(oldx, oldy, oldx, oldy);
+
/* draw the new one */
if(mode == CURSOR_DRAW) {
- xdrawc(term.c.x, term.c.y, g);
+ xdraws(&g.c, g, term.c.x, term.c.y, 1);
oldx = term.c.x, oldy = term.c.y;
}
}
+#ifdef DEBUG
+/* basic drawing routines */
+void
+xdrawc(int x, int y, Glyph g) {
+ XRectangle r = { x * xw.cw, y * xw.ch, xw.cw, xw.ch };
+ XSetBackground(xw.dis, dc.gc, dc.col[g.bg]);
+ XSetForeground(xw.dis, dc.gc, dc.col[g.fg]);
+ XSetFont(xw.dis, dc.gc, g.mode & ATTR_BOLD ? dc.bfont->fid : dc.font->fid);
+ XDrawImageString(xw.dis, xw.buf, dc.gc, r.x, r.y+dc.font->ascent, &g.c, 1);
+}
+
+void
+draw(int dummy) {
+ int x, y;
+
+ xclear(0, 0, term.col-1, term.row-1);
+ for(y = 0; y < term.row; y++)
+ for(x = 0; x < term.col; x++)
+ if(term.line[y][x].state & GLYPH_SET)
+ xdrawc(x, y, term.line[y][x]);
+
+ if(!term.hidec)
+ xcursor(CURSOR_DRAW);
+ XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER);
+ XFlush(xw.dis);
+}
+
+#else
+/* optimized drawing routine */
void
draw(int redraw_all) {
int i, x, y, ox;
Glyph base, new;
char buf[DRAW_BUF_SIZ];
+ XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]);
+ XFillRectangle(xw.dis, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
for(y = 0; y < term.row; y++) {
base = term.line[y][0];
i = ox = 0;
@@ -1116,10 +1242,13 @@ draw(int redraw_all) {
}
xdraws(buf, base, ox, y, i);
}
- if(!term.c.hidden)
- xcursor(CURSOR_DRAW);
+ xcursor(term.hidec ? CURSOR_HIDE : CURSOR_DRAW);
+ XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER);
+ XFlush(xw.dis);
}
+#endif
+
void
expose(XEvent *ev) {
draw(SCREEN_REDRAW);
@@ -1144,11 +1273,11 @@ kpress(XEvent *ev) {
int meta;
int shift;
- meta = e->state & Mod1Mask;
+ meta = e->state & Mod1Mask;
shift = e->state & ShiftMask;
len = XLookupString(e, buf, sizeof(buf), &ksym, NULL);
- if(customkey = kmap(ksym))
+ if((customkey = kmap(ksym)))
ttywrite(customkey, strlen(customkey));
else if(len > 0) {
buf[sizeof(buf)-1] = '\0';
@@ -1166,7 +1295,7 @@ kpress(XEvent *ev) {
break;
case XK_Insert:
if(shift)
- /* XXX: paste X clipboard */;
+ draw(1), puts("draw!")/* XXX: paste X clipboard */;
break;
default:
fprintf(stderr, "errkey: %d\n", (int)ksym);
@@ -1177,16 +1306,21 @@ kpress(XEvent *ev) {
void
resize(XEvent *e) {
int col, row;
- col = e->xconfigure.width / xw.cw;
- row = e->xconfigure.height / xw.ch;
- if(term.col != col || term.row != row) {
- tresize(col, row);
- ttyresize(col, row);
- xw.w = e->xconfigure.width;
- xw.h = e->xconfigure.height;
- draw(SCREEN_REDRAW);
- }
+ if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
+ return;
+
+ xw.w = e->xconfigure.width;
+ xw.h = e->xconfigure.height;
+ xw.bufw = xw.w - 2*BORDER;
+ xw.bufh = xw.h - 2*BORDER;
+ col = xw.bufw / xw.cw;
+ row = xw.bufh / xw.ch;
+ tresize(col, row);
+ ttyresize(col, row);
+ XFreePixmap(xw.dis, xw.buf);
+ xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr));
+ draw(SCREEN_REDRAW);
}
void
@@ -1197,7 +1331,7 @@ run(void) {
running = 1;
XSelectInput(xw.dis, xw.win, ExposureMask | KeyPressMask | StructureNotifyMask);
- XResizeWindow(xw.dis, xw.win, xw.w , xw.h); /* fix resize bug in wmii (?) */
+ XResizeWindow(xw.dis, xw.win, xw.w, xw.h); /* XXX: fix resize bug in wmii (?) */
while(running) {
FD_ZERO(&rfd);
@@ -1210,7 +1344,7 @@ run(void) {
}
if(FD_ISSET(cmdfd, &rfd)) {
ttyread();
- draw(SCREEN_UPDATE);
+ draw(SCREEN_UPDATE);
}
while(XPending(xw.dis)) {
XNextEvent(xw.dis, &ev);