1994/0414/port/devmouse.c (diff list | history)

1994/0413/sys/src/9/port/devmouse.c:9,34 – 1994/0414/sys/src/9/port/devmouse.c:9,15 (short | long | prev | next)
1993/1006		#include "devtab.h"
1994/0210		#include "screen.h"
1993/1006		/* * Some monochrome screens are reversed from what we like: * We want 0's bright and 1's dark. * Indexed by an Fcode, these compensate for the source bitmap being wrong * (exchange S rows) and destination (exchange D columns and invert result) */ int flipS[] = { 0x0, 0x4, 0x8, 0xC, 0x1, 0x5, 0x9, 0xD, 0x2, 0x6, 0xA, 0xE, 0x3, 0x7, 0xB, 0xF };                  int flipD[] = { 0xF, 0xD, 0xE, 0xC, 0x7, 0x5, 0x6, 0x4, 0xB, 0x9, 0xA, 0x8, 0x3, 0x1, 0x2, 0x0, };                  int flipping; /* are flip tables being used to transform Fcodes? */                  typedef struct Mouseinfo Mouseinfo; typedef struct Cursorinfo Cursorinfo; struct Mouseinfo {
1994/0413/sys/src/9/port/devmouse.c:48,76 – 1994/0414/sys/src/9/port/devmouse.c:29,40
1993/1006		int open; }; struct Cursorinfo { Cursor; Lock; int visible; /* on screen */ int disable; /* from being used */
1993/1026		int frozen; /* from being used */
1993/1006		Rectangle r; /* location */
1994/0413		int l; int tl; int setop; int clrop; Rectangle clipr;
1993/1006		};                  Mouseinfo mouse; Cursorinfo cursor; int mouseshifted; int mousetype;
1994/0216		int mouseswap;
1993/1006		int hwcurs;
1993/1009		Cursor curs;
1994/0414		Cursor curs;
1993/1006		Cursor arrow = {
1994/0413/sys/src/9/port/devmouse.c:88,132 – 1994/0414/sys/src/9/port/devmouse.c:52,62
1993/1006		}; ulong setbits[16];
1994/0413		Bitmap set =
1993/1006		{
1994/0413		{0, 0, 16, 16}, {0, 0, 16, 16},
1993/1006		0,
1994/0413		setbits,
1993/1006		1, 0, };                  ulong clrbits[16];
1994/0413		Bitmap clr =
1993/1006		{ {0, 0, 16, 16},
1994/0413		{0, 0, 16, 16},
1993/1006		0,
1994/0413		clrbits,
1993/1006		1, 0, };
1994/0413		ulong backbits[16*5]; ulong workbits[16*5]; Bitmap cursorwork =
1994/0412		{
1994/0413		{0, 0, 16+8, 16}, {0, 0, 16+8, 16},
1994/0412		0,
1994/0413		workbits,
1994/0412		1, 0, };
1993/1006		void Cursortocursor(Cursor*); int mousechanged(void*);
1994/0412		extern void screenload(Rectangle, uchar*, int, int, int); extern void screenunload(Rectangle, uchar*, int, int, int);
1993/1006		enum{ Qdir,
1993/1009		Qcursor,
1994/0413/sys/src/9/port/devmouse.c:147,195 – 1994/0414/sys/src/9/port/devmouse.c:77,95
1993/1006		void mousereset(void) { ulong r;                  if(!conf.monitor) return; getcolor(0, &r, &r, &r); if(r == 0) flipping = 1; flipping = 0; /* howard, why is this necessary to get a black arrow on carrera? */
1993/1009		curs = arrow;
1993/1006		Cursortocursor(&arrow); } void
1994/0413		cursorinit(void) { cursorwork.ldepth = gscreen.ldepth; cursorwork.width = ((cursorwork.r.max.x << gscreen.ldepth) + 31) >> 5;                  cursor.l = cursorwork.width*BY2WD;                  if(flipping){ cursor.setop = flipD[S|D]; cursor.clrop = flipD[D&~S]; } else { cursor.setop = S|D; cursor.clrop = D&~S; } }                  void
1993/1006		mouseinit(void) { if(!conf.monitor) return;
1994/0413
1994/0412		if(gscreen.ldepth > 3){
1994/0413		print("mouse can't work ldepth > 3"); cursor.disable = 1;
1993/1006		}
1994/0413		cursorinit();
1993/1006		cursoron(1); }
1994/0413/sys/src/9/port/devmouse.c:198,204 – 1994/0414/sys/src/9/port/devmouse.c:98,103
1993/1006		{ if(!conf.monitor) error(Egreg);
1994/0413		cursorinit();
1993/1006		return devattach('m', spec); }
1994/0413/sys/src/9/port/devmouse.c:408,414 – 1994/0414/sys/src/9/port/devmouse.c:307,313
1993/1006		uchar *p; lock(&cursor); memmove(&cursor, c, sizeof(Cursor));
1994/0414		memmove(&cursor.Cursor, c, sizeof(Cursor));
1993/1006		for(i=0; i<16; i++){ p = (uchar*)&setbits[i]; *p = c->set[2*i];
1994/0413/sys/src/9/port/devmouse.c:417,532 – 1994/0414/sys/src/9/port/devmouse.c:316,326
1993/1006		*p = c->clr[2*i]; *(p+1) = c->clr[2*i+1]; } if(hwcurs) hwcursset(set.base, clr.base, cursor.offset.x, cursor.offset.y);
1994/0414		setcursor(setbits, clrbits, cursor.offset.x, cursor.offset.y);
1993/1026		unlock(&cursor); } void cursorlock(Rectangle r) { if(hwcurs) return; lock(&cursor); if(rectXrect(cursor.r, r)){ cursoroff(0); cursor.frozen = 1; } cursor.disable++; unlock(&cursor); } void cursorunlock(void) { if(hwcurs) return; lock(&cursor); cursor.disable--; if(cursor.frozen) cursoron(0); cursor.frozen = 0;
1993/1006		unlock(&cursor); }
1994/0413		typedef struct { Bitmap *dm; Point p; Bitmap *sm; Rectangle r; Fcode f; } XXX;
1993/1006		void cursoron(int dolock) {
1994/0413		int off; Rectangle r; uchar *a; XXX x; extern int graphicssubtile(uchar*, int, int, Rectangle, Rectangle, uchar**);
1993/1006		if(cursor.disable) return; if(dolock) lock(&cursor); if(cursor.visible++ == 0){ if(hwcurs) hwcursmove(mouse.xy.x, mouse.xy.y); else { cursor.r.min = mouse.xy; cursor.r.max = add(mouse.xy, Pt(16, 16)); cursor.r = raddp(cursor.r, cursor.offset);
1994/0413		/* bit offset into backup area */ off = ((1<<gscreen.ldepth)*cursor.r.min.x) & 7;                  /* clip the cursor rectangle */ x.dm = &cursorwork; x.p = Pt(off, 0); x.sm = &gscreen; x.r = cursor.r; bitbltclip(&x);                  /* tile width */ cursor.tl = graphicssubtile(0, cursor.l, gscreen.ldepth, gscreen.r, x.r, &a); if(cursor.tl > 0){ /* get tile */ screenunload(x.r, (uchar*)workbits, cursor.tl, cursor.l, 0);                  /* save for cursoroff */ memmove(backbits, workbits, cursor.l*16);                  /* add mouse into work area */ r = Rect(0, 0, Dx(x.r), Dy(x.r)); bitblt(&cursorwork, x.p, &clr, r, cursor.clrop); bitblt(&cursorwork, x.p, &set, r, cursor.setop);                  /* put back tile */ cursor.clipr = x.r; screenload(x.r, (uchar*)workbits, cursor.tl, cursor.l, 0); }
1993/1006		} } if(dolock) unlock(&cursor); }                  void cursoroff(int dolock) { if(cursor.disable) return; if(dolock) lock(&cursor);
1994/0413		if(--cursor.visible == 0 && !hwcurs && cursor.tl > 0) screenload(cursor.clipr, (uchar*)backbits, cursor.tl, cursor.l, 0);
1993/1006		if(dolock) unlock(&cursor); }                  /* * called by the clock routine to redraw the cursor */
1994/0413/sys/src/9/port/devmouse.c:651,654 – 1994/0414/sys/src/9/port/devmouse.c:445,454
1993/1006		{ USED(m); return mouse.lastcounter - mouse.counter;
1994/0414		} Point mousexy(void) { return mouse.xy;
1993/1006		}