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@ -22,6 +22,9 @@ |
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#include <X11/cursorfont.h> |
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#include <X11/keysym.h> |
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#include <sys/time.h> |
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#include <time.h> |
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#if defined(__linux) |
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#include <pty.h> |
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#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) |
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@ -45,11 +48,12 @@ |
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#define MIN(a, b) ((a) < (b) ? (a) : (b)) |
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#define MAX(a, b) ((a) < (b) ? (b) : (a)) |
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#define LEN(a) (sizeof(a) / sizeof(a[0])) |
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#define DEFAULT(a, b) (a) = (a) ? (a) : (b) |
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#define DEFAULT(a, b) (a) = (a) ? (a) : (b) |
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#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) |
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#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) |
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#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg) |
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#define IS_SET(flag) (term.mode & (flag)) |
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#define TIMEDIFFERENCE(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000) |
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/* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */ |
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enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 }; |
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@ -57,10 +61,9 @@ enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT, |
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CURSOR_SAVE, CURSOR_LOAD }; |
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enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 }; |
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enum { GLYPH_SET=1, GLYPH_DIRTY=2 }; |
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enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8, |
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enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8, |
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MODE_CRLF=16 }; |
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enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 }; |
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enum { SCREEN_UPDATE, SCREEN_REDRAW }; |
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enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 }; |
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#undef B0 |
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@ -87,21 +90,21 @@ typedef struct { |
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/* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */ |
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typedef struct { |
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char buf[ESC_BUF_SIZ]; /* raw string */ |
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int len; /* raw string length */ |
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int len; /* raw string length */ |
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char priv; |
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int arg[ESC_ARG_SIZ]; |
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int narg; /* nb of args */ |
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int narg; /* nb of args */ |
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char mode; |
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} CSIEscape; |
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/* Internal representation of the screen */ |
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typedef struct { |
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int row; /* nb row */ |
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int row; /* nb row */ |
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int col; /* nb col */ |
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Line* line; /* screen */ |
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Line* alt; /* alternate screen */ |
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TCursor c; /* cursor */ |
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int top; /* top scroll limit */ |
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int top; /* top scroll limit */ |
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int bot; /* bottom scroll limit */ |
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int mode; /* terminal mode flags */ |
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int esc; /* escape state flags */ |
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@ -118,17 +121,18 @@ typedef struct { |
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XIM xim; |
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XIC xic; |
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int scr; |
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int w; /* window width */ |
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int w; /* window width */ |
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int h; /* window height */ |
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int bufw; /* pixmap width */ |
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int bufh; /* pixmap height */ |
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int ch; /* char height */ |
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int cw; /* char width */ |
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char state; /* focus, redraw, visible */ |
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} XWindow; |
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} XWindow; |
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typedef struct { |
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KeySym k; |
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unsigned int mask; |
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char s[ESC_BUF_SIZ]; |
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} Key; |
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@ -150,15 +154,18 @@ typedef struct { |
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int mode; |
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int bx, by; |
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int ex, ey; |
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struct {int x, y;} b, e; |
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struct {int x, y;} b, e; |
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char *clip; |
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Atom xtarget; |
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struct timeval tclick1; |
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struct timeval tclick2; |
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} Selection; |
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#include "config.h" |
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static void die(const char *errstr, ...); |
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static void draw(int); |
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static void draw(); |
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static void drawregion(int, int, int, int); |
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static void execsh(void); |
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static void sigchld(int); |
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static void run(void); |
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@ -206,7 +213,7 @@ static void xresize(int, int); |
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static void expose(XEvent *); |
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static void visibility(XEvent *); |
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static void unmap(XEvent *); |
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static char* kmap(KeySym); |
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static char* kmap(KeySym, unsigned int state); |
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static void kpress(XEvent *); |
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static void resize(XEvent *); |
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static void focus(XEvent *); |
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@ -219,7 +226,7 @@ static void selrequest(XEvent *); |
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static void selinit(void); |
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static inline int selected(int, int); |
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static void selcopy(void); |
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static void selpaste(void); |
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static void selpaste(); |
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static int utf8decode(char *, long *); |
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static int utf8encode(long *, char *); |
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@ -340,7 +347,7 @@ isfullutf8(char *s, int b) { |
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else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1) |
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return 0; |
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else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) && |
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((b == 1) || |
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((b == 1) || |
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((b == 2) && (*c2&(B7|B6)) == B7))) |
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return 0; |
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else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) && |
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@ -362,12 +369,14 @@ utf8size(char *s) { |
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return 2; |
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else if ((c&(B7|B6|B5|B4)) == (B7|B6|B5)) |
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return 3; |
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else |
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else |
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return 4; |
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} |
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void |
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selinit(void) { |
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sel.tclick1.tv_sec = 0; |
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sel.tclick1.tv_usec = 0; |
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sel.mode = 0; |
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sel.bx = -1; |
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sel.clip = NULL; |
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@ -376,14 +385,14 @@ selinit(void) { |
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sel.xtarget = XA_STRING; |
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} |
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static inline int |
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static inline int |
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selected(int x, int y) { |
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if(sel.ey == y && sel.by == y) { |
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int bx = MIN(sel.bx, sel.ex); |
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int ex = MAX(sel.bx, sel.ex); |
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return BETWEEN(x, bx, ex); |
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} |
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return ((sel.b.y < y&&y < sel.e.y) || (y==sel.e.y && x<=sel.e.x)) |
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return ((sel.b.y < y&&y < sel.e.y) || (y==sel.e.y && x<=sel.e.x)) |
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|| (y==sel.b.y && x>=sel.b.x && (x<=sel.e.x || sel.b.y!=sel.e.y)); |
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} |
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@ -511,30 +520,63 @@ xsetsel(char *str) { |
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XFlush(xw.dpy); |
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} |
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/* TODO: doubleclick to select word */ |
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void |
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brelease(XEvent *e) { |
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int b; |
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sel.mode = 0; |
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getbuttoninfo(e, &b, &sel.ex, &sel.ey); |
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if(sel.bx==sel.ex && sel.by==sel.ey) { |
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if(sel.bx == sel.ex && sel.by == sel.ey) { |
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sel.bx = -1; |
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if(b==2) |
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if(b == 2) |
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selpaste(); |
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else if(b == 1) { |
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/* double click to select word */ |
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struct timeval now; |
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gettimeofday(&now, NULL); |
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if(TIMEDIFFERENCE(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) { |
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sel.bx = sel.ex; |
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while(term.line[sel.ey][sel.bx-1].state & GLYPH_SET && |
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term.line[sel.ey][sel.bx-1].c[0] != ' ') sel.bx--; |
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sel.b.x = sel.bx; |
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while(term.line[sel.ey][sel.ex+1].state & GLYPH_SET && |
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term.line[sel.ey][sel.ex+1].c[0] != ' ') sel.ex++; |
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sel.e.x = sel.ex; |
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sel.b.y = sel.e.y = sel.ey; |
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selcopy(); |
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} |
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/* triple click on the line */ |
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if(TIMEDIFFERENCE(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) { |
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sel.b.x = sel.bx = 0; |
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sel.e.x = sel.ex = term.col; |
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sel.b.y = sel.e.y = sel.ey; |
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selcopy(); |
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} |
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} |
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} else { |
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if(b==1) |
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if(b == 1) |
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selcopy(); |
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} |
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draw(1); |
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memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval)); |
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gettimeofday(&sel.tclick1, NULL); |
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draw(); |
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} |
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void |
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bmotion(XEvent *e) { |
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if (sel.mode) { |
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if(sel.mode) { |
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int oldey = sel.ey, |
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oldex = sel.ex; |
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getbuttoninfo(e, NULL, &sel.ex, &sel.ey); |
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/* XXX: draw() can't keep up, disabled for now. |
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selection is visible on button release. |
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draw(1); */ |
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if(oldey != sel.ey || oldex != sel.ex) { |
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int starty = MIN(oldey, sel.ey); |
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int endy = MAX(oldey, sel.ey); |
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drawregion(0, (starty > 0 ? starty : 0), term.col, (sel.ey < term.row ? endy+1 : term.row)); |
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} |
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} |
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} |
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@ -641,6 +683,10 @@ ttyread(void) { |
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void |
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ttywrite(const char *s, size_t n) { |
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{size_t nn; |
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for(nn = 0; nn < n; nn++) |
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dump(s[nn]); |
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} |
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if(write(cmdfd, s, n) == -1) |
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die("write error on tty: %s\n", SERRNO); |
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} |
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@ -1640,8 +1686,13 @@ xdrawc(int x, int y, Glyph g) { |
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dc.gc, r.x, r.y+dc.font.ascent, g.c, sl); |
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} |
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void |
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drawregion(int x0, int x1, int y0, int y1) { |
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draw(); |
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} |
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void |
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draw(int dummy) { |
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draw() { |
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int x, y; |
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xclear(0, 0, term.col-1, term.row-1); |
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@ -1657,8 +1708,13 @@ draw(int dummy) { |
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#else |
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/* optimized drawing routine */ |
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void |
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draw() { |
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drawregion(0, 0, term.col, term.row); |
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} |
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void |
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draw(int redraw_all) { |
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drawregion(int x1, int y1, int x2, int y2) { |
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int ic, ib, x, y, ox, sl; |
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Glyph base, new; |
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char buf[DRAW_BUF_SIZ]; |
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@ -1666,13 +1722,13 @@ draw(int redraw_all) { |
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if(!(xw.state & WIN_VISIBLE)) |
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return; |
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xclear(0, 0, term.col-1, term.row-1); |
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for(y = 0; y < term.row; y++) { |
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xclear(x1, y1, x2-1, y2-1); |
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for(y = y1; y < y2; y++) { |
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base = term.line[y][0]; |
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ic = ib = ox = 0; |
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for(x = 0; x < term.col; x++) { |
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for(x = x1; x < x2; x++) { |
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new = term.line[y][x]; |
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if(sel.bx!=-1 && *(new.c) && selected(x, y)) |
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if(sel.bx != -1 && *(new.c) && selected(x, y)) |
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new.mode ^= ATTR_REVERSE; |
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if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) || |
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ib >= DRAW_BUF_SIZ-UTF_SIZ)) { |
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@ -1705,7 +1761,7 @@ expose(XEvent *ev) { |
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if(xw.state & WIN_REDRAW) { |
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if(!e->count) { |
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xw.state &= ~WIN_REDRAW; |
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draw(SCREEN_REDRAW); |
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draw(); |
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} |
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} else |
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XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER, |
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@ -1742,14 +1798,14 @@ focus(XEvent *ev) { |
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xseturgency(0); |
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} else |
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xw.state &= ~WIN_FOCUSED; |
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draw(SCREEN_UPDATE); |
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draw(); |
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} |
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char* |
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kmap(KeySym k) { |
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kmap(KeySym k, unsigned int state) { |
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int i; |
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for(i = 0; i < LEN(key); i++) |
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if(key[i].k == k) |
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if(key[i].k == k && (key[i].mask == 0 || key[i].mask & state)) |
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return (char*)key[i].s; |
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return NULL; |
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} |
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@ -1770,7 +1826,7 @@ kpress(XEvent *ev) { |
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len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status); |
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/* 1. custom keys from config.h */ |
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if((customkey = kmap(ksym))) |
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if((customkey = kmap(ksym, e->state))) |
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ttywrite(customkey, strlen(customkey)); |
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/* 2. hardcoded (overrides X lookup) */ |
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else |
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@ -1779,7 +1835,7 @@ kpress(XEvent *ev) { |
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case XK_Down: |
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case XK_Left: |
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case XK_Right: |
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sprintf(buf, "\033%c%c", IS_SET(MODE_APPKEYPAD) ? 'O' : '[', "DACB"[ksym - XK_Left]); |
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sprintf(buf, "\033%c%c", IS_SET(MODE_APPKEYPAD) ? 'O' : '[', (shift ? "dacb":"DACB")[ksym - XK_Left]); |
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ttywrite(buf, 3); |
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break; |
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case XK_Insert: |
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@ -1817,7 +1873,7 @@ resize(XEvent *e) { |
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if(col == term.col && row == term.row) |
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return; |
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if(tresize(col, row)) |
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draw(SCREEN_REDRAW); |
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draw(); |
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ttyresize(col, row); |
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xresize(col, row); |
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} |
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@ -1839,7 +1895,7 @@ run(void) { |
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} |
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if(FD_ISSET(cmdfd, &rfd)) { |
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ttyread(); |
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draw(SCREEN_UPDATE); |
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draw(); |
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} |
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while(XPending(xw.dpy)) { |
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XNextEvent(xw.dpy, &ev); |
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Aurélien Aptel
14 years ago