#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
+#include <X11/extensions/Xdbe.h>
#if defined(__linux)
#include <pty.h>
#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 };
Display* dpy;
Colormap cmap;
Window win;
- Pixmap buf;
+ XdbeBackBuffer buf;
Atom xembed;
XIM xim;
XIC xic;
static void tsetchar(char*);
static void tsetscroll(int, int);
static void tswapscreen(void);
+static void tsetdirt(int, int);
static void tfulldirt(void);
static void ttynew(void);
static void xdraws(char *, Glyph, int, int, int, int);
static void xhints(void);
static void xclear(int, int, int, int);
-static void xcopy(int, int, int, int);
+static void xcopy();
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
void
selinit(void) {
- sel.tclick1.tv_sec = 0;
- sel.tclick1.tv_usec = 0;
+ memset(&sel.tclick1, 0, sizeof(sel.tclick1));
+ memset(&sel.tclick2, 0, sizeof(sel.tclick2));
sel.mode = 0;
sel.bx = -1;
sel.clip = NULL;
mousereport(e);
else if(e->xbutton.button == Button1) {
if(sel.bx != -1)
- for(int i=sel.b.y; i<=sel.e.y; i++)
- term.dirty[i] = 1;
+ tsetdirt(sel.b.y, sel.e.y);
sel.mode = 1;
sel.ex = sel.bx = X2COL(e->xbutton.x);
sel.ey = sel.by = Y2ROW(e->xbutton.y);
void
selcopy(void) {
char *str, *ptr;
- int x, y, sz, sl, ls = 0;
+ int x, y, bufsize, is_selected = 0;
if(sel.bx == -1)
str = NULL;
+
else {
- sz = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
- ptr = str = malloc(sz);
+ bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
+ ptr = str = malloc(bufsize);
+
+ /* append every set & selected glyph to the selection */
for(y = 0; y < term.row; y++) {
- for(x = 0; x < term.col; x++)
- if(term.line[y][x].state & GLYPH_SET && (ls = selected(x, y))) {
- sl = utf8size(term.line[y][x].c);
- memcpy(ptr, term.line[y][x].c, sl);
- ptr += sl;
+ for(x = 0; x < term.col; x++) {
+ is_selected = selected(x, y);
+ if((term.line[y][x].state & GLYPH_SET) && is_selected) {
+ int size = utf8size(term.line[y][x].c);
+ memcpy(ptr, term.line[y][x].c, size);
+ ptr += size;
}
- if(ls && y < sel.e.y)
+ }
+
+ /* \n at the end of every selected line except for the last one */
+ if(is_selected && y < sel.e.y)
*ptr++ = '\n';
}
*ptr = 0;
if(oldey != sel.ey || oldex != sel.ex) {
int starty = MIN(oldey, sel.ey);
int endy = MAX(oldey, sel.ey);
- for(int i = starty; i <= endy; i++)
- term.dirty[i] = 1;
+ tsetdirt(starty, endy);
draw();
}
}
char **args;
char *envshell = getenv("SHELL");
- DEFAULT(envshell, "sh");
+ DEFAULT(envshell, SHELL);
putenv("TERM="TNAME);
args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL};
execvp(args[0], args);
}
void
-tfulldirt(void)
+tsetdirt(int top, int bot)
{
int i;
- for(i = 0; i < term.row; i++)
+
+ LIMIT(top, 0, term.row-1);
+ LIMIT(bot, 0, term.row-1);
+
+ for(i = top; i <= bot; i++)
term.dirty[i] = 1;
}
void
+tfulldirt(void)
+{
+ tsetdirt(0, term.row-1);
+}
+
+void
tcursor(int mode) {
static TCursor c;
void
csidump(void) {
- fwrite("\033[", 1, 2, stdout);
- fwrite(escseq.buf, 1, escseq.len, stdout);
+ int i;
+ printf("ESC[");
+ for(i = 0; i < escseq.len; i++) {
+ uint c = escseq.buf[i] & 0xff;
+ if(isprint(c)) putchar(c);
+ else if(c == '\n') printf("(\\n)");
+ else if(c == '\r') printf("(\\r)");
+ else if(c == 0x1b) printf("(\\e)");
+ else printf("(%02x)", c);
+ }
+ putchar('\n');
}
void
void
xresize(int col, int row) {
- Pixmap newbuf;
- int oldw, oldh;
-
- oldw = xw.bufw;
- oldh = xw.bufh;
xw.bufw = MAX(1, col * xw.cw);
xw.bufh = MAX(1, row * xw.ch);
- newbuf = XCreatePixmap(xw.dpy, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dpy, xw.scr));
- XCopyArea(xw.dpy, xw.buf, newbuf, dc.gc, 0, 0, xw.bufw, xw.bufh, 0, 0);
- XFreePixmap(xw.dpy, xw.buf);
- XSetForeground(xw.dpy, dc.gc, dc.col[DefaultBG]);
- if(xw.bufw > oldw)
- XFillRectangle(xw.dpy, newbuf, dc.gc, oldw, 0,
- xw.bufw-oldw, MIN(xw.bufh, oldh));
- else if(xw.bufw < oldw && (BORDER > 0 || xw.w > xw.bufw))
- XClearArea(xw.dpy, xw.win, BORDER+xw.bufw, BORDER,
- xw.w-xw.bufh-BORDER, BORDER+MIN(xw.bufh, oldh),
- False);
- if(xw.bufh > oldh)
- XFillRectangle(xw.dpy, newbuf, dc.gc, 0, oldh,
- xw.bufw, xw.bufh-oldh);
- else if(xw.bufh < oldh && (BORDER > 0 || xw.h > xw.bufh))
- XClearArea(xw.dpy, xw.win, BORDER, BORDER+xw.bufh,
- xw.w-2*BORDER, xw.h-xw.bufh-BORDER,
- False);
- xw.buf = newbuf;
}
void
CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
| CWColormap,
&attrs);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dpy, xw.scr));
+ xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
/* input methods */
/* copy buffer pixmap to screen pixmap */
void
-xcopy(int x, int y, int cols, int rows) {
- int src_x = x*xw.cw, src_y = y*xw.ch, src_w = cols*xw.cw, src_h = rows*xw.ch;
- int dst_x = BORDER+src_x, dst_y = BORDER+src_y;
- XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, src_x, src_y, src_w, src_h, dst_x, dst_y);
+xcopy() {
+ XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
+ XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+
}
void
void
draw() {
drawregion(0, 0, term.col, term.row);
+ xcopy();
gettimeofday(&xw.lastdraw, NULL);
}
}
if(ib > 0)
xdraws(buf, base, ox, y, ic, ib);
- xcopy(0, y, term.col, 1);
}
xdrawcursor();
}
expose(XEvent *ev) {
XExposeEvent *e = &ev->xexpose;
if(xw.state & WIN_REDRAW) {
- if(!e->count) {
+ if(!e->count)
xw.state &= ~WIN_REDRAW;
- xcopy(0, 0, term.col, term.row);
- }
- } else
- XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER,
- e->width, e->height, e->x, e->y);
+ }
+ xcopy();
}
void
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