#define X2COL(x) (((x) - BORDER)/xw.cw)
#define Y2ROW(y) (((y) - BORDER)/xw.ch)
-/* 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_SAVE, CURSOR_LOAD };
-enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 };
-enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
-enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8,
- MODE_CRLF=16, MODE_MOUSEBTN=32, MODE_MOUSEMOTION=64, MODE_MOUSE=32|64, MODE_REVERSE=128 };
-enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 };
-enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 };
+enum glyph_attribute {
+ ATTR_NULL = 0,
+ ATTR_REVERSE = 1,
+ ATTR_UNDERLINE = 2,
+ ATTR_BOLD = 4,
+ ATTR_GFX = 8,
+};
+
+enum cursor_movement {
+ CURSOR_UP,
+ CURSOR_DOWN,
+ CURSOR_LEFT,
+ CURSOR_RIGHT,
+ CURSOR_SAVE,
+ CURSOR_LOAD
+};
+
+enum cursor_state {
+ CURSOR_DEFAULT = 0,
+ CURSOR_HIDE = 1,
+ CURSOR_WRAPNEXT = 2
+};
+
+enum glyph_state {
+ GLYPH_SET = 1,
+ GLYPH_DIRTY = 2
+};
+
+enum term_mode {
+ MODE_WRAP = 1,
+ MODE_INSERT = 2,
+ MODE_APPKEYPAD = 4,
+ MODE_ALTSCREEN = 8,
+ MODE_CRLF = 16,
+ MODE_MOUSEBTN = 32,
+ MODE_MOUSEMOTION = 64,
+ MODE_MOUSE = 32|64,
+ MODE_REVERSE = 128
+};
+enum escape_state {
+ ESC_START = 1,
+ ESC_CSI = 2,
+ ESC_OSC = 4,
+ ESC_TITLE = 8,
+ ESC_ALTCHARSET = 16
+};
+
+enum window_state {
+ WIN_VISIBLE = 1,
+ WIN_REDRAW = 2,
+ WIN_FOCUSED = 4
+};
+
+/* bit macro */
#undef B0
enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
typedef unsigned char uchar;
typedef unsigned int uint;
typedef unsigned long ulong;
+typedef unsigned short ushort;
typedef struct {
char c[UTF_SIZ]; /* character code */
uchar mode; /* attribute flags */
- uchar fg; /* foreground */
- uchar bg; /* background */
- uchar state; /* state flags */
+ ushort fg; /* foreground */
+ ushort bg; /* background */
+ uchar state; /* state flags */
} Glyph;
typedef Glyph* Line;
char s[ESC_BUF_SIZ];
} Key;
-/* Drawing Context */
-typedef struct {
- ulong col[256];
- GC gc;
- struct {
- int ascent;
- int descent;
- short lbearing;
- short rbearing;
- XFontSet set;
- } font, bfont;
-} DC;
/* TODO: use better name for vars... */
typedef struct {
#include "config.h"
+/* Drawing Context */
+typedef struct {
+ ulong col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
+ GC gc;
+ struct {
+ int ascent;
+ int descent;
+ short lbearing;
+ short rbearing;
+ XFontSet set;
+ } font, bfont;
+} DC;
+
static void die(const char*, ...);
static void draw(void);
static void drawregion(int, int, int, int);
void
csidump(void) {
- int i;
- printf("ESC [ %s", escseq.priv ? "? " : "");
- if(escseq.narg)
- for(i = 0; i < escseq.narg; i++)
- printf("%d ", escseq.arg[i]);
- if(escseq.mode)
- putchar(escseq.mode);
- putchar('\n');
+ fwrite("\033[", 1, 2, stdout);
+ fwrite(escseq.buf, 1, escseq.len, stdout);
}
void
XColor color;
ulong white = WhitePixel(xw.dpy, xw.scr);
+ /* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
for(i = 0; i < LEN(colorname); i++) {
+ if(!colorname[i])
+ continue;
if(!XAllocNamedColor(xw.dpy, xw.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++)
+
+ /* load colors [16-255] ; same colors as xterm */
+ for(i = 16, 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;
void
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
- ulong xfg = dc.col[base.fg], xbg = dc.col[base.bg], temp;
+ int fg = base.fg, bg = base.bg, temp;
int winx = x*xw.cw, winy = y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
+ XFontSet fontset = dc.font.set;
int i;
/* only switch default fg/bg if term is in RV mode */
if(IS_SET(MODE_REVERSE)) {
- if(base.fg == DefaultFG)
- xfg = dc.col[DefaultBG];
- if(base.bg == DefaultBG)
- xbg = dc.col[DefaultFG];
+ if(fg == DefaultFG)
+ fg = DefaultBG;
+ if(bg == DefaultBG)
+ bg = DefaultFG;
}
if(base.mode & ATTR_REVERSE)
- temp = xfg, xfg = xbg, xbg = temp;
+ temp = fg, fg = bg, bg = temp;
- XSetBackground(xw.dpy, dc.gc, xbg);
- XSetForeground(xw.dpy, dc.gc, xfg);
+ if(base.mode & ATTR_BOLD) {
+ fg += 8;
+ fontset = dc.bfont.set;
+ }
+
+ XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
+ XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
if(base.mode & ATTR_GFX) {
for(i = 0; i < bytelen; i++) {
}
}
- XmbDrawImageString(xw.dpy, xw.buf, base.mode & ATTR_BOLD ? dc.bfont.set : dc.font.set,
- dc.gc, winx, winy, s, bytelen);
+ XmbDrawImageString(xw.dpy, xw.buf, fontset, dc.gc, winx, winy, s, bytelen);
if(base.mode & ATTR_UNDERLINE)
XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
xcopy(oldx, oldy, 1, 1);
/* draw the new one */
- if(!(term.c.state & CURSOR_HIDE) && (xw.state & WIN_FOCUSED)) {
- sl = utf8size(g.c);
+ if(!(term.c.state & CURSOR_HIDE)) {
+ if(!(xw.state & WIN_FOCUSED))
+ g.bg = DefaultUCS;
+
if(IS_SET(MODE_REVERSE))
g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG;
+
+ sl = utf8size(g.c);
xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
oldx = term.c.x, oldy = term.c.y;
}