Patched mouse scrolling support
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				|  | @ -176,6 +176,8 @@ static uint forcemousemod = ShiftMask; | |||
|  */ | ||||
| static MouseShortcut mshortcuts[] = { | ||||
| 	/* mask                 button   function        argument       release */ | ||||
| 	{ XK_ANY_MOD,           Button4, kscrollup,      {.i = 1},		0, /* !alt */ -1 }, | ||||
| 	{ XK_ANY_MOD,           Button5, kscrolldown,    {.i = 1},		0, /* !alt */ -1 }, | ||||
| 	{ XK_ANY_MOD,           Button2, selpaste,       {.i = 0},      1 }, | ||||
| 	{ ShiftMask,            Button4, ttysend,        {.s = "\033[5;2~"} }, | ||||
| 	{ XK_ANY_MOD,           Button4, ttysend,        {.s = "\031"} }, | ||||
|  | @ -201,6 +203,8 @@ static Shortcut shortcuts[] = { | |||
| 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} }, | ||||
| 	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} }, | ||||
| 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} }, | ||||
| 	{ ShiftMask,          XK_Page_Up,     kscrollup,      {.i = -1} }, | ||||
| 	{ ShiftMask,          XK_Page_Down,   kscrolldown,    {.i = -1} }, | ||||
| }; | ||||
| 
 | ||||
| /*
 | ||||
|  |  | |||
							
								
								
									
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							|  | @ -176,6 +176,8 @@ static uint forcemousemod = ShiftMask; | |||
|  */ | ||||
| static MouseShortcut mshortcuts[] = { | ||||
| 	/* mask                 button   function        argument       release */ | ||||
| 	{ XK_ANY_MOD,           Button4, kscrollup,      {.i = 1},		0, /* !alt */ -1 }, | ||||
| 	{ XK_ANY_MOD,           Button5, kscrolldown,    {.i = 1},		0, /* !alt */ -1 }, | ||||
| 	{ XK_ANY_MOD,           Button2, selpaste,       {.i = 0},      1 }, | ||||
| 	{ ShiftMask,            Button4, ttysend,        {.s = "\033[5;2~"} }, | ||||
| 	{ XK_ANY_MOD,           Button4, ttysend,        {.s = "\031"} }, | ||||
|  | @ -201,6 +203,8 @@ static Shortcut shortcuts[] = { | |||
| 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} }, | ||||
| 	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} }, | ||||
| 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} }, | ||||
| 	{ ShiftMask,          XK_Page_Up,     kscrollup,      {.i = -1} }, | ||||
| 	{ ShiftMask,          XK_Page_Down,   kscrolldown,    {.i = -1} }, | ||||
| }; | ||||
| 
 | ||||
| /*
 | ||||
|  |  | |||
							
								
								
									
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							|  | @ -43,6 +43,10 @@ | |||
| #define ISCONTROL(c)		(ISCONTROLC0(c) || ISCONTROLC1(c)) | ||||
| #define ISDELIM(u)		(u && wcschr(worddelimiters, u)) | ||||
| 
 | ||||
| #define TSCREEN term.screen[IS_SET(MODE_ALTSCREEN)] | ||||
| #define TLINEOFFSET(y) (((y) + TSCREEN.cur - TSCREEN.off + TSCREEN.size) % TSCREEN.size) | ||||
| #define TLINE(y) (TSCREEN.buffer[TLINEOFFSET(y)]) | ||||
| 
 | ||||
| enum term_mode { | ||||
| 	MODE_WRAP        = 1 << 0, | ||||
| 	MODE_INSERT      = 1 << 1, | ||||
|  | @ -109,12 +113,21 @@ typedef struct { | |||
| 	int alt; | ||||
| } Selection; | ||||
| 
 | ||||
| /* Screen lines */ | ||||
| typedef struct { | ||||
| 	Line* buffer;  /* ring buffer */ | ||||
| 	int size;      /* size of buffer */ | ||||
| 	int cur;       /* start of active screen */ | ||||
| 	int off;       /* scrollback line offset */ | ||||
| 	TCursor sc;    /* saved cursor */ | ||||
| } LineBuffer; | ||||
| 
 | ||||
| /* Internal representation of the screen */ | ||||
| typedef struct { | ||||
| 	int row;      /* nb row */ | ||||
| 	int col;      /* nb col */ | ||||
| 	Line *line;   /* screen */ | ||||
| 	Line *alt;    /* alternate screen */ | ||||
| 	LineBuffer screen[2]; /* screen and alternate screen */ | ||||
| 	int linelen;  /* allocated line length */ | ||||
| 	int *dirty;   /* dirtyness of lines */ | ||||
| 	TCursor c;    /* cursor */ | ||||
| 	int ocx;      /* old cursor col */ | ||||
|  | @ -203,6 +216,8 @@ static void tdeftran(char); | |||
| static void tstrsequence(uchar); | ||||
| 
 | ||||
| static void drawregion(int, int, int, int); | ||||
| static void clearline(Line, Glyph, int, int); | ||||
| static Line ensureline(Line); | ||||
| 
 | ||||
| static void selnormalize(void); | ||||
| static void selscroll(int, int); | ||||
|  | @ -408,11 +423,12 @@ int | |||
| tlinelen(int y) | ||||
| { | ||||
| 	int i = term.col; | ||||
| 	Line line = TLINE(y); | ||||
| 
 | ||||
| 	if (term.line[y][i - 1].mode & ATTR_WRAP) | ||||
| 	if (line[i - 1].mode & ATTR_WRAP) | ||||
| 		return i; | ||||
| 
 | ||||
| 	while (i > 0 && term.line[y][i - 1].u == ' ') | ||||
| 	while (i > 0 && line[i - 1].u == ' ') | ||||
| 		--i; | ||||
| 
 | ||||
| 	return i; | ||||
|  | @ -521,7 +537,7 @@ selsnap(int *x, int *y, int direction) | |||
| 		 * Snap around if the word wraps around at the end or | ||||
| 		 * beginning of a line. | ||||
| 		 */ | ||||
| 		prevgp = &term.line[*y][*x]; | ||||
| 		prevgp = &TLINE(*y)[*x]; | ||||
| 		prevdelim = ISDELIM(prevgp->u); | ||||
| 		for (;;) { | ||||
| 			newx = *x + direction; | ||||
|  | @ -536,14 +552,14 @@ selsnap(int *x, int *y, int direction) | |||
| 					yt = *y, xt = *x; | ||||
| 				else | ||||
| 					yt = newy, xt = newx; | ||||
| 				if (!(term.line[yt][xt].mode & ATTR_WRAP)) | ||||
| 				if (!(TLINE(yt)[xt].mode & ATTR_WRAP)) | ||||
| 					break; | ||||
| 			} | ||||
| 
 | ||||
| 			if (newx >= tlinelen(newy)) | ||||
| 				break; | ||||
| 
 | ||||
| 			gp = &term.line[newy][newx]; | ||||
| 			gp = &TLINE(newy)[newx]; | ||||
| 			delim = ISDELIM(gp->u); | ||||
| 			if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim | ||||
| 					|| (delim && gp->u != prevgp->u))) | ||||
|  | @ -564,14 +580,14 @@ selsnap(int *x, int *y, int direction) | |||
| 		*x = (direction < 0) ? 0 : term.col - 1; | ||||
| 		if (direction < 0) { | ||||
| 			for (; *y > 0; *y += direction) { | ||||
| 				if (!(term.line[*y-1][term.col-1].mode | ||||
| 				if (!(TLINE(*y-1)[term.col-1].mode | ||||
| 						& ATTR_WRAP)) { | ||||
| 					break; | ||||
| 				} | ||||
| 			} | ||||
| 		} else if (direction > 0) { | ||||
| 			for (; *y < term.row-1; *y += direction) { | ||||
| 				if (!(term.line[*y][term.col-1].mode | ||||
| 				if (!(TLINE(*y)[term.col-1].mode | ||||
| 						& ATTR_WRAP)) { | ||||
| 					break; | ||||
| 				} | ||||
|  | @ -602,13 +618,13 @@ getsel(void) | |||
| 		} | ||||
| 
 | ||||
| 		if (sel.type == SEL_RECTANGULAR) { | ||||
| 			gp = &term.line[y][sel.nb.x]; | ||||
| 			gp = &TLINE(y)[sel.nb.x]; | ||||
| 			lastx = sel.ne.x; | ||||
| 		} else { | ||||
| 			gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0]; | ||||
| 			gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0]; | ||||
| 			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; | ||||
| 		} | ||||
| 		last = &term.line[y][MIN(lastx, linelen-1)]; | ||||
| 		last = &TLINE(y)[MIN(lastx, linelen-1)]; | ||||
| 		while (last >= gp && last->u == ' ') | ||||
| 			--last; | ||||
| 
 | ||||
|  | @ -949,12 +965,15 @@ int | |||
| tattrset(int attr) | ||||
| { | ||||
| 	int i, j; | ||||
| 	int y = TLINEOFFSET(0); | ||||
| 
 | ||||
| 	for (i = 0; i < term.row-1; i++) { | ||||
| 		Line line = TSCREEN.buffer[y]; | ||||
| 		for (j = 0; j < term.col-1; j++) { | ||||
| 			if (term.line[i][j].mode & attr) | ||||
| 			if (line[j].mode & attr) | ||||
| 				return 1; | ||||
| 		} | ||||
| 		y = (y+1) % TSCREEN.size; | ||||
| 	} | ||||
| 
 | ||||
| 	return 0; | ||||
|  | @ -976,14 +995,17 @@ void | |||
| tsetdirtattr(int attr) | ||||
| { | ||||
| 	int i, j; | ||||
| 	int y = TLINEOFFSET(0); | ||||
| 
 | ||||
| 	for (i = 0; i < term.row-1; i++) { | ||||
| 		Line line = TSCREEN.buffer[y]; | ||||
| 		for (j = 0; j < term.col-1; j++) { | ||||
| 			if (term.line[i][j].mode & attr) { | ||||
| 			if (line[j].mode & attr) { | ||||
| 				tsetdirt(i, i); | ||||
| 				break; | ||||
| 			} | ||||
| 		} | ||||
| 		y = (y+1) % TSCREEN.size; | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
|  | @ -996,27 +1018,19 @@ tfulldirt(void) | |||
| void | ||||
| tcursor(int mode) | ||||
| { | ||||
| 	static TCursor c[2]; | ||||
| 	int alt = IS_SET(MODE_ALTSCREEN); | ||||
| 
 | ||||
| 	if (mode == CURSOR_SAVE) { | ||||
| 		c[alt] = term.c; | ||||
| 		TSCREEN.sc = term.c; | ||||
| 	} else if (mode == CURSOR_LOAD) { | ||||
| 		term.c = c[alt]; | ||||
| 		tmoveto(c[alt].x, c[alt].y); | ||||
| 		term.c = TSCREEN.sc; | ||||
| 		tmoveto(term.c.x, term.c.y); | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| void | ||||
| treset(void) | ||||
| { | ||||
| 	uint i; | ||||
| 
 | ||||
| 	term.c = (TCursor){{ | ||||
| 		.mode = ATTR_NULL, | ||||
| 		.fg = defaultfg, | ||||
| 		.bg = defaultbg | ||||
| 	}, .x = 0, .y = 0, .state = CURSOR_DEFAULT}; | ||||
| 	int i, j; | ||||
| 	Glyph g = (Glyph){ .fg = defaultfg, .bg = defaultbg}; | ||||
| 
 | ||||
| 	memset(term.tabs, 0, term.col * sizeof(*term.tabs)); | ||||
| 	for (i = tabspaces; i < term.col; i += tabspaces) | ||||
|  | @ -1028,32 +1042,85 @@ treset(void) | |||
| 	term.charset = 0; | ||||
| 
 | ||||
| 	for (i = 0; i < 2; i++) { | ||||
| 		tmoveto(0, 0); | ||||
| 		tcursor(CURSOR_SAVE); | ||||
| 		tclearregion(0, 0, term.col-1, term.row-1); | ||||
| 		tswapscreen(); | ||||
| 		term.screen[i].sc = (TCursor){{ | ||||
| 			.fg = defaultfg, | ||||
| 			.bg = defaultbg | ||||
| 		}}; | ||||
| 		term.screen[i].cur = 0; | ||||
| 		term.screen[i].off = 0; | ||||
| 		for (j = 0; j < term.row; ++j) { | ||||
| 			if (term.col != term.linelen) | ||||
| 				term.screen[i].buffer[j] = xrealloc(term.screen[i].buffer[j], term.col * sizeof(Glyph)); | ||||
| 			clearline(term.screen[i].buffer[j], g, 0, term.col); | ||||
| 		} | ||||
| 		for (j = term.row; j < term.screen[i].size; ++j) { | ||||
| 			free(term.screen[i].buffer[j]); | ||||
| 			term.screen[i].buffer[j] = NULL; | ||||
| 		} | ||||
| 	} | ||||
| 	tcursor(CURSOR_LOAD); | ||||
| 	term.linelen = term.col; | ||||
| 	tfulldirt(); | ||||
| } | ||||
| 
 | ||||
| void | ||||
| tnew(int col, int row) | ||||
| { | ||||
| 	term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } }; | ||||
| 	int i; | ||||
| 	term = (Term){}; | ||||
| 	term.screen[0].buffer = xmalloc(HISTSIZE * sizeof(Line)); | ||||
| 	term.screen[0].size = HISTSIZE; | ||||
| 	term.screen[1].buffer = NULL; | ||||
| 	for (i = 0; i < HISTSIZE; ++i) term.screen[0].buffer[i] = NULL; | ||||
| 
 | ||||
| 	tresize(col, row); | ||||
| 	treset(); | ||||
| } | ||||
| 
 | ||||
| int tisaltscr(void) | ||||
| { | ||||
| 	return IS_SET(MODE_ALTSCREEN); | ||||
| } | ||||
| 
 | ||||
| void | ||||
| tswapscreen(void) | ||||
| { | ||||
| 	Line *tmp = term.line; | ||||
| 
 | ||||
| 	term.line = term.alt; | ||||
| 	term.alt = tmp; | ||||
| 	term.mode ^= MODE_ALTSCREEN; | ||||
| 	tfulldirt(); | ||||
| } | ||||
| 
 | ||||
| void | ||||
| kscrollup(const Arg *a) | ||||
| { | ||||
| 	int n = a->i; | ||||
| 
 | ||||
| 	if (IS_SET(MODE_ALTSCREEN)) | ||||
| 		return; | ||||
| 
 | ||||
| 	if (n < 0) n = (-n) * term.row; | ||||
| 	if (n > TSCREEN.size - term.row - TSCREEN.off) n = TSCREEN.size - term.row - TSCREEN.off; | ||||
| 	while (!TLINE(-n)) --n; | ||||
| 	TSCREEN.off += n; | ||||
| 	selscroll(0, n); | ||||
| 	tfulldirt(); | ||||
| } | ||||
| 
 | ||||
| void | ||||
| kscrolldown(const Arg *a) | ||||
| { | ||||
| 
 | ||||
| 	int n = a->i; | ||||
| 
 | ||||
| 	if (IS_SET(MODE_ALTSCREEN)) | ||||
| 		return; | ||||
| 
 | ||||
| 	if (n < 0) n = (-n) * term.row; | ||||
| 	if (n > TSCREEN.off) n = TSCREEN.off; | ||||
| 	TSCREEN.off -= n; | ||||
| 	selscroll(0, -n); | ||||
| 	tfulldirt(); | ||||
| } | ||||
| 
 | ||||
| void | ||||
| tscrolldown(int orig, int n) | ||||
| { | ||||
|  | @ -1062,15 +1129,29 @@ tscrolldown(int orig, int n) | |||
| 
 | ||||
| 	LIMIT(n, 0, term.bot-orig+1); | ||||
| 
 | ||||
| 	tsetdirt(orig, term.bot-n); | ||||
| 	tclearregion(0, term.bot-n+1, term.col-1, term.bot); | ||||
| 
 | ||||
| 	for (i = term.bot; i >= orig+n; i--) { | ||||
| 		temp = term.line[i]; | ||||
| 		term.line[i] = term.line[i-n]; | ||||
| 		term.line[i-n] = temp; | ||||
| 	/* Ensure that lines are allocated */ | ||||
| 	for (i = -n; i < 0; i++) { | ||||
| 		TLINE(i) = ensureline(TLINE(i)); | ||||
| 	} | ||||
| 
 | ||||
| 	/* Shift non-scrolling areas in ring buffer */ | ||||
| 	for (i = term.bot+1; i < term.row; i++) { | ||||
| 		temp = TLINE(i); | ||||
| 		TLINE(i) = TLINE(i-n); | ||||
| 		TLINE(i-n) = temp; | ||||
| 	} | ||||
| 	for (i = 0; i < orig; i++) { | ||||
| 		temp = TLINE(i); | ||||
| 		TLINE(i) = TLINE(i-n); | ||||
| 		TLINE(i-n) = temp; | ||||
| 	} | ||||
| 
 | ||||
| 	/* Scroll buffer */ | ||||
| 	TSCREEN.cur = (TSCREEN.cur + TSCREEN.size - n) % TSCREEN.size; | ||||
| 	/* Clear lines that have entered the view */ | ||||
| 	tclearregion(0, orig, term.linelen-1, orig+n-1); | ||||
| 	/* Redraw portion of the screen that has scrolled */ | ||||
| 	tsetdirt(orig+n-1, term.bot); | ||||
| 	selscroll(orig, n); | ||||
| } | ||||
| 
 | ||||
|  | @ -1082,15 +1163,29 @@ tscrollup(int orig, int n) | |||
| 
 | ||||
| 	LIMIT(n, 0, term.bot-orig+1); | ||||
| 
 | ||||
| 	tclearregion(0, orig, term.col-1, orig+n-1); | ||||
| 	tsetdirt(orig+n, term.bot); | ||||
| 
 | ||||
| 	for (i = orig; i <= term.bot-n; i++) { | ||||
| 		temp = term.line[i]; | ||||
| 		term.line[i] = term.line[i+n]; | ||||
| 		term.line[i+n] = temp; | ||||
| 	/* Ensure that lines are allocated */ | ||||
| 	for (i = term.row; i < term.row + n; i++) { | ||||
| 		TLINE(i) = ensureline(TLINE(i)); | ||||
| 	} | ||||
| 
 | ||||
| 	/* Shift non-scrolling areas in ring buffer */ | ||||
| 	for (i = orig-1; i >= 0; i--) { | ||||
| 		temp = TLINE(i); | ||||
| 		TLINE(i) = TLINE(i+n); | ||||
| 		TLINE(i+n) = temp; | ||||
| 	} | ||||
| 	for (i = term.row-1; i >term.bot; i--) { | ||||
| 		temp = TLINE(i); | ||||
| 		TLINE(i) = TLINE(i+n); | ||||
| 		TLINE(i+n) = temp; | ||||
| 	} | ||||
| 
 | ||||
| 	/* Scroll buffer */ | ||||
| 	TSCREEN.cur = (TSCREEN.cur + n) % TSCREEN.size; | ||||
| 	/* Clear lines that have entered the view */ | ||||
| 	tclearregion(0, term.bot-n+1, term.linelen-1, term.bot); | ||||
| 	/* Redraw portion of the screen that has scrolled */ | ||||
| 	tsetdirt(orig, term.bot-n+1); | ||||
| 	selscroll(orig, -n); | ||||
| } | ||||
| 
 | ||||
|  | @ -1194,6 +1289,7 @@ tsetchar(Rune u, const Glyph *attr, int x, int y) | |||
| 		"⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */ | ||||
| 		"│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */ | ||||
| 	}; | ||||
| 	Line line = TLINE(y); | ||||
| 
 | ||||
| 	/*
 | ||||
| 	 * The table is proudly stolen from rxvt. | ||||
|  | @ -1202,25 +1298,25 @@ tsetchar(Rune u, const Glyph *attr, int x, int y) | |||
| 	   BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41]) | ||||
| 		utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ); | ||||
| 
 | ||||
| 	if (term.line[y][x].mode & ATTR_WIDE) { | ||||
| 	if (line[x].mode & ATTR_WIDE) { | ||||
| 		if (x+1 < term.col) { | ||||
| 			term.line[y][x+1].u = ' '; | ||||
| 			term.line[y][x+1].mode &= ~ATTR_WDUMMY; | ||||
| 			line[x+1].u = ' '; | ||||
| 			line[x+1].mode &= ~ATTR_WDUMMY; | ||||
| 		} | ||||
| 	} else if (term.line[y][x].mode & ATTR_WDUMMY) { | ||||
| 		term.line[y][x-1].u = ' '; | ||||
| 		term.line[y][x-1].mode &= ~ATTR_WIDE; | ||||
| 	} else if (line[x].mode & ATTR_WDUMMY) { | ||||
| 		line[x-1].u = ' '; | ||||
| 		line[x-1].mode &= ~ATTR_WIDE; | ||||
| 	} | ||||
| 
 | ||||
| 	term.dirty[y] = 1; | ||||
| 	term.line[y][x] = *attr; | ||||
| 	term.line[y][x].u = u; | ||||
| 	line[x] = *attr; | ||||
| 	line[x].u = u; | ||||
| } | ||||
| 
 | ||||
| void | ||||
| tclearregion(int x1, int y1, int x2, int y2) | ||||
| { | ||||
| 	int x, y, temp; | ||||
| 	int x, y, L, S, temp; | ||||
| 	Glyph *gp; | ||||
| 
 | ||||
| 	if (x1 > x2) | ||||
|  | @ -1228,15 +1324,16 @@ tclearregion(int x1, int y1, int x2, int y2) | |||
| 	if (y1 > y2) | ||||
| 		temp = y1, y1 = y2, y2 = temp; | ||||
| 
 | ||||
| 	LIMIT(x1, 0, term.col-1); | ||||
| 	LIMIT(x2, 0, term.col-1); | ||||
| 	LIMIT(x1, 0, term.linelen-1); | ||||
| 	LIMIT(x2, 0, term.linelen-1); | ||||
| 	LIMIT(y1, 0, term.row-1); | ||||
| 	LIMIT(y2, 0, term.row-1); | ||||
| 
 | ||||
| 	L = TLINEOFFSET(y1); | ||||
| 	for (y = y1; y <= y2; y++) { | ||||
| 		term.dirty[y] = 1; | ||||
| 		for (x = x1; x <= x2; x++) { | ||||
| 			gp = &term.line[y][x]; | ||||
| 			gp = &TSCREEN.buffer[L][x]; | ||||
| 			if (selected(x, y)) | ||||
| 				selclear(); | ||||
| 			gp->fg = term.c.attr.fg; | ||||
|  | @ -1244,6 +1341,7 @@ tclearregion(int x1, int y1, int x2, int y2) | |||
| 			gp->mode = 0; | ||||
| 			gp->u = ' '; | ||||
| 		} | ||||
| 		L = (L + 1) % TSCREEN.size; | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
|  | @ -1258,7 +1356,7 @@ tdeletechar(int n) | |||
| 	dst = term.c.x; | ||||
| 	src = term.c.x + n; | ||||
| 	size = term.col - src; | ||||
| 	line = term.line[term.c.y]; | ||||
| 	line = TLINE(term.c.y); | ||||
| 
 | ||||
| 	memmove(&line[dst], &line[src], size * sizeof(Glyph)); | ||||
| 	tclearregion(term.col-n, term.c.y, term.col-1, term.c.y); | ||||
|  | @ -1275,7 +1373,7 @@ tinsertblank(int n) | |||
| 	dst = term.c.x + n; | ||||
| 	src = term.c.x; | ||||
| 	size = term.col - dst; | ||||
| 	line = term.line[term.c.y]; | ||||
| 	line = TLINE(term.c.y); | ||||
| 
 | ||||
| 	memmove(&line[dst], &line[src], size * sizeof(Glyph)); | ||||
| 	tclearregion(src, term.c.y, dst - 1, term.c.y); | ||||
|  | @ -2096,7 +2194,7 @@ tdumpline(int n) | |||
| 	char buf[UTF_SIZ]; | ||||
| 	const Glyph *bp, *end; | ||||
| 
 | ||||
| 	bp = &term.line[n][0]; | ||||
| 	bp = &TLINE(n)[0]; | ||||
| 	end = &bp[MIN(tlinelen(n), term.col) - 1]; | ||||
| 	if (bp != end || bp->u != ' ') { | ||||
| 		for ( ; bp <= end; ++bp) | ||||
|  | @ -2480,11 +2578,11 @@ check_control_code: | |||
| 	if (selected(term.c.x, term.c.y)) | ||||
| 		selclear(); | ||||
| 
 | ||||
| 	gp = &term.line[term.c.y][term.c.x]; | ||||
| 	gp = &TLINE(term.c.y)[term.c.x]; | ||||
| 	if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { | ||||
| 		gp->mode |= ATTR_WRAP; | ||||
| 		tnewline(1); | ||||
| 		gp = &term.line[term.c.y][term.c.x]; | ||||
| 		gp = &TLINE(term.c.y)[term.c.x]; | ||||
| 	} | ||||
| 
 | ||||
| 	if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) | ||||
|  | @ -2492,7 +2590,7 @@ check_control_code: | |||
| 
 | ||||
| 	if (term.c.x+width > term.col) { | ||||
| 		tnewline(1); | ||||
| 		gp = &term.line[term.c.y][term.c.x]; | ||||
| 		gp = &TLINE(term.c.y)[term.c.x]; | ||||
| 	} | ||||
| 
 | ||||
| 	tsetchar(u, &term.c.attr, term.c.x, term.c.y); | ||||
|  | @ -2523,6 +2621,11 @@ twrite(const char *buf, int buflen, int show_ctrl) | |||
| 	Rune u; | ||||
| 	int n; | ||||
| 
 | ||||
| 	if (TSCREEN.off) { | ||||
| 		TSCREEN.off = 0; | ||||
| 		tfulldirt(); | ||||
| 	} | ||||
| 
 | ||||
| 	for (n = 0; n < buflen; n += charsize) { | ||||
| 		if (IS_SET(MODE_UTF8)) { | ||||
| 			/* process a complete utf8 char */ | ||||
|  | @ -2549,56 +2652,85 @@ twrite(const char *buf, int buflen, int show_ctrl) | |||
| } | ||||
| 
 | ||||
| void | ||||
| tresize(int col, int row) | ||||
| clearline(Line line, Glyph g, int x, int xend) | ||||
| { | ||||
| 	int i; | ||||
| 	g.mode = 0; | ||||
| 	g.u = ' '; | ||||
| 	for (i = x; i < xend; ++i) { | ||||
| 		line[i] = g; | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| Line | ||||
| ensureline(Line line) | ||||
| { | ||||
| 	if (!line) { | ||||
| 		line = xmalloc(term.linelen * sizeof(Glyph)); | ||||
| 	} | ||||
| 	return line; | ||||
| } | ||||
| 
 | ||||
| void | ||||
| tresize(int col, int row) | ||||
| { | ||||
| 	int i, j; | ||||
| 	int minrow = MIN(row, term.row); | ||||
| 	int mincol = MIN(col, term.col); | ||||
| 	int linelen = MAX(col, term.linelen); | ||||
| 	int *bp; | ||||
| 	TCursor c; | ||||
| 
 | ||||
| 	if (col < 1 || row < 1) { | ||||
| 	if (col < 1 || row < 1 || row > HISTSIZE) { | ||||
| 		fprintf(stderr, | ||||
| 		        "tresize: error resizing to %dx%d\n", col, row); | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	/*
 | ||||
| 	 * slide screen to keep cursor where we expect it - | ||||
| 	 * tscrollup would work here, but we can optimize to | ||||
| 	 * memmove because we're freeing the earlier lines | ||||
| 	 */ | ||||
| 	for (i = 0; i <= term.c.y - row; i++) { | ||||
| 		free(term.line[i]); | ||||
| 		free(term.alt[i]); | ||||
| 	/* Shift buffer to keep the cursor where we expect it */ | ||||
| 	if (row <= term.c.y) { | ||||
| 		term.screen[0].cur = (term.screen[0].cur - row + term.c.y + 1) % term.screen[0].size; | ||||
| 	} | ||||
| 	/* ensure that both src and dst are not NULL */ | ||||
| 	if (i > 0) { | ||||
| 		memmove(term.line, term.line + i, row * sizeof(Line)); | ||||
| 		memmove(term.alt, term.alt + i, row * sizeof(Line)); | ||||
| 
 | ||||
| 	/* Resize and clear line buffers as needed */ | ||||
| 	if (linelen > term.linelen) { | ||||
| 		for (i = 0; i < term.screen[0].size; ++i) { | ||||
| 			if (term.screen[0].buffer[i]) { | ||||
| 				term.screen[0].buffer[i] = xrealloc(term.screen[0].buffer[i], linelen * sizeof(Glyph)); | ||||
| 				clearline(term.screen[0].buffer[i], term.c.attr, term.linelen, linelen); | ||||
| 			} | ||||
| 	for (i += row; i < term.row; i++) { | ||||
| 		free(term.line[i]); | ||||
| 		free(term.alt[i]); | ||||
| 		} | ||||
| 		for (i = 0; i < minrow; ++i) { | ||||
| 			term.screen[1].buffer[i] = xrealloc(term.screen[1].buffer[i], linelen * sizeof(Glyph)); | ||||
| 			clearline(term.screen[1].buffer[i], term.c.attr, term.linelen, linelen); | ||||
| 		} | ||||
| 	} | ||||
| 	/* Allocate all visible lines for regular line buffer */ | ||||
| 	for (j = term.screen[0].cur, i = 0; i < row; ++i, j = (j + 1) % term.screen[0].size) | ||||
| 	{ | ||||
| 		if (!term.screen[0].buffer[j]) { | ||||
| 			term.screen[0].buffer[j] = xmalloc(linelen * sizeof(Glyph)); | ||||
| 		} | ||||
| 		if (i >= term.row) { | ||||
| 			clearline(term.screen[0].buffer[j], term.c.attr, 0, linelen); | ||||
| 		} | ||||
| 	} | ||||
| 	/* Resize alt screen */ | ||||
| 	term.screen[1].cur = 0; | ||||
| 	term.screen[1].size = row; | ||||
| 	for (i = row; i < term.row; ++i) { | ||||
| 		free(term.screen[1].buffer[i]); | ||||
| 	} | ||||
| 	term.screen[1].buffer = xrealloc(term.screen[1].buffer, row * sizeof(Line)); | ||||
| 	for (i = term.row; i < row; ++i) { | ||||
| 		term.screen[1].buffer[i] = xmalloc(linelen * sizeof(Glyph)); | ||||
| 		clearline(term.screen[1].buffer[i], term.c.attr, 0, linelen); | ||||
| 	} | ||||
| 
 | ||||
| 	/* resize to new height */ | ||||
| 	term.line = xrealloc(term.line, row * sizeof(Line)); | ||||
| 	term.alt  = xrealloc(term.alt,  row * sizeof(Line)); | ||||
| 	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty)); | ||||
| 	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); | ||||
| 
 | ||||
| 	/* resize each row to new width, zero-pad if needed */ | ||||
| 	for (i = 0; i < minrow; i++) { | ||||
| 		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); | ||||
| 		term.alt[i]  = xrealloc(term.alt[i],  col * sizeof(Glyph)); | ||||
| 	} | ||||
| 
 | ||||
| 	/* allocate any new rows */ | ||||
| 	for (/* i = minrow */; i < row; i++) { | ||||
| 		term.line[i] = xmalloc(col * sizeof(Glyph)); | ||||
| 		term.alt[i] = xmalloc(col * sizeof(Glyph)); | ||||
| 	} | ||||
| 	/* fix tabstops */ | ||||
| 	if (col > term.col) { | ||||
| 		bp = term.tabs + term.col; | ||||
| 
 | ||||
|  | @ -2608,26 +2740,16 @@ tresize(int col, int row) | |||
| 		for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces) | ||||
| 			*bp = 1; | ||||
| 	} | ||||
| 
 | ||||
| 	/* update terminal size */ | ||||
| 	term.col = col; | ||||
| 	term.row = row; | ||||
| 	term.linelen = linelen; | ||||
| 	/* reset scrolling region */ | ||||
| 	tsetscroll(0, row-1); | ||||
| 	/* make use of the LIMIT in tmoveto */ | ||||
| 	tmoveto(term.c.x, term.c.y); | ||||
| 	/* Clearing both screens (it makes dirty all lines) */ | ||||
| 	c = term.c; | ||||
| 	for (i = 0; i < 2; i++) { | ||||
| 		if (mincol < col && 0 < minrow) { | ||||
| 			tclearregion(mincol, 0, col - 1, minrow - 1); | ||||
| 		} | ||||
| 		if (0 < col && minrow < row) { | ||||
| 			tclearregion(0, minrow, col - 1, row - 1); | ||||
| 		} | ||||
| 		tswapscreen(); | ||||
| 		tcursor(CURSOR_LOAD); | ||||
| 	} | ||||
| 	term.c = c; | ||||
| 	tfulldirt(); | ||||
| } | ||||
| 
 | ||||
| void | ||||
|  | @ -2639,14 +2761,15 @@ resettitle(void) | |||
| void | ||||
| drawregion(int x1, int y1, int x2, int y2) | ||||
| { | ||||
| 	int y; | ||||
| 	int y, L; | ||||
| 
 | ||||
| 	L = TLINEOFFSET(y1); | ||||
| 	for (y = y1; y < y2; y++) { | ||||
| 		if (!term.dirty[y]) | ||||
| 			continue; | ||||
| 
 | ||||
| 		if (term.dirty[y]) { | ||||
| 			term.dirty[y] = 0; | ||||
| 		xdrawline(term.line[y], x1, y, x2); | ||||
| 			xdrawline(TSCREEN.buffer[L], x1, y, x2); | ||||
| 		} | ||||
| 		L = (L + 1) % TSCREEN.size; | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
|  | @ -2661,14 +2784,15 @@ draw(void) | |||
| 	/* adjust cursor position */ | ||||
| 	LIMIT(term.ocx, 0, term.col-1); | ||||
| 	LIMIT(term.ocy, 0, term.row-1); | ||||
| 	if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY) | ||||
| 	if (TLINE(term.ocy)[term.ocx].mode & ATTR_WDUMMY) | ||||
| 		term.ocx--; | ||||
| 	if (term.line[term.c.y][cx].mode & ATTR_WDUMMY) | ||||
| 	if (TLINE(term.c.y)[cx].mode & ATTR_WDUMMY) | ||||
| 		cx--; | ||||
| 
 | ||||
| 	drawregion(0, 0, term.col, term.row); | ||||
| 	xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], | ||||
| 			term.ocx, term.ocy, term.line[term.ocy][term.ocx]); | ||||
| 	if (TSCREEN.off == 0) | ||||
| 		xdrawcursor(cx, term.c.y, TLINE(term.c.y)[cx], | ||||
| 				term.ocx, term.ocy, TLINE(term.ocy)[term.ocx]); | ||||
| 	term.ocx = cx; | ||||
| 	term.ocy = term.c.y; | ||||
| 	xfinishdraw(); | ||||
|  |  | |||
							
								
								
									
										2
									
								
								st.h
								
								
								
								
							
							
						
						
									
										2
									
								
								st.h
								
								
								
								
							|  | @ -19,6 +19,7 @@ | |||
| 
 | ||||
| #define TRUECOLOR(r,g,b)	(1 << 24 | (r) << 16 | (g) << 8 | (b)) | ||||
| #define IS_TRUECOL(x)		(1 << 24 & (x)) | ||||
| #define HISTSIZE            2000 | ||||
| 
 | ||||
| enum glyph_attribute { | ||||
| 	ATTR_NULL       = 0, | ||||
|  | @ -87,6 +88,7 @@ void sendbreak(const Arg *); | |||
| void toggleprinter(const Arg *); | ||||
| 
 | ||||
| int tattrset(int); | ||||
| int tisaltscr(void); | ||||
| void tnew(int, int); | ||||
| void tresize(int, int); | ||||
| void tsetdirtattr(int); | ||||
|  |  | |||
							
								
								
									
										4
									
								
								x.c
								
								
								
								
							
							
						
						
									
										4
									
								
								x.c
								
								
								
								
							|  | @ -35,6 +35,7 @@ typedef struct { | |||
| 	void (*func)(const Arg *); | ||||
| 	const Arg arg; | ||||
| 	uint  release; | ||||
| 	int  altscrn;  /* 0: don't care, -1: not alt screen, 1: alt screen */ | ||||
| } MouseShortcut; | ||||
| 
 | ||||
| typedef struct { | ||||
|  | @ -60,6 +61,8 @@ static void zoom(const Arg *); | |||
| static void zoomabs(const Arg *); | ||||
| static void zoomreset(const Arg *); | ||||
| static void ttysend(const Arg *); | ||||
| void kscrollup(const Arg *); | ||||
| void kscrolldown(const Arg *); | ||||
| 
 | ||||
| /* config.h for applying patches and the configuration. */ | ||||
| #include "config.h" | ||||
|  | @ -461,6 +464,7 @@ mouseaction(XEvent *e, uint release) | |||
| 	for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) { | ||||
| 		if (ms->release == release && | ||||
| 		    ms->button == e->xbutton.button && | ||||
| 		    (!ms->altscrn || (ms->altscrn == (tisaltscr() ? 1 : -1))) && | ||||
| 		    (match(ms->mod, state) ||  /* exact or forced */ | ||||
| 		     match(ms->mod, state & ~forcemousemod))) { | ||||
| 			ms->func(&(ms->arg)); | ||||
|  |  | |||
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		Reference in New Issue