screen. Instead, copy a merged bitmap 1 line at a time. This fixes flashing of the cursor and is faster in all modes (especially in planar modes).
382 lines
10 KiB
C
382 lines
10 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 1991-1997 Søren Schmidt
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer
|
|
* in this position and unchanged.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/consio.h>
|
|
#include <sys/fbio.h>
|
|
#include "vgl.h"
|
|
|
|
#define BORDER 0xff /* default border -- light white in rgb 3:3:2 */
|
|
#define INTERIOR 0xa0 /* default interior -- red in rgb 3:3:2 */
|
|
#define X 0xff /* any nonzero in And mask means part of cursor */
|
|
#define B BORDER
|
|
#define I INTERIOR
|
|
static byte StdAndMask[MOUSE_IMG_SIZE*MOUSE_IMG_SIZE] = {
|
|
X,X,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
|
X,X,X,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
|
X,X,X,X,0,0,0,0,0,0,0,0,0,0,0,0,
|
|
X,X,X,X,X,0,0,0,0,0,0,0,0,0,0,0,
|
|
X,X,X,X,X,X,0,0,0,0,0,0,0,0,0,0,
|
|
X,X,X,X,X,X,X,0,0,0,0,0,0,0,0,0,
|
|
X,X,X,X,X,X,X,X,0,0,0,0,0,0,0,0,
|
|
X,X,X,X,X,X,X,X,X,0,0,0,0,0,0,0,
|
|
X,X,X,X,X,X,X,X,X,X,0,0,0,0,0,0,
|
|
X,X,X,X,X,X,X,X,X,X,0,0,0,0,0,0,
|
|
X,X,X,X,X,X,X,0,0,0,0,0,0,0,0,0,
|
|
X,X,X,0,X,X,X,X,0,0,0,0,0,0,0,0,
|
|
X,X,0,0,X,X,X,X,0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,X,X,X,X,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,X,X,X,X,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,X,X,0,0,0,0,0,0,0,0,
|
|
};
|
|
static byte StdOrMask[MOUSE_IMG_SIZE*MOUSE_IMG_SIZE] = {
|
|
B,B,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
|
B,I,B,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
|
B,I,I,B,0,0,0,0,0,0,0,0,0,0,0,0,
|
|
B,I,I,I,B,0,0,0,0,0,0,0,0,0,0,0,
|
|
B,I,I,I,I,B,0,0,0,0,0,0,0,0,0,0,
|
|
B,I,I,I,I,I,B,0,0,0,0,0,0,0,0,0,
|
|
B,I,I,I,I,I,I,B,0,0,0,0,0,0,0,0,
|
|
B,I,I,I,I,I,I,I,B,0,0,0,0,0,0,0,
|
|
B,I,I,I,I,I,I,I,I,B,0,0,0,0,0,0,
|
|
B,I,I,I,I,I,B,B,B,B,0,0,0,0,0,0,
|
|
B,I,I,B,I,I,B,0,0,0,0,0,0,0,0,0,
|
|
B,I,B,0,B,I,I,B,0,0,0,0,0,0,0,0,
|
|
B,B,0,0,B,I,I,B,0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,B,I,I,B,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,B,I,I,B,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,B,B,0,0,0,0,0,0,0,0,
|
|
};
|
|
#undef X
|
|
#undef B
|
|
#undef I
|
|
static VGLBitmap VGLMouseStdAndMask =
|
|
VGLBITMAP_INITIALIZER(MEMBUF, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE, StdAndMask);
|
|
static VGLBitmap VGLMouseStdOrMask =
|
|
VGLBITMAP_INITIALIZER(MEMBUF, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE, StdOrMask);
|
|
static VGLBitmap *VGLMouseAndMask, *VGLMouseOrMask;
|
|
static int VGLMouseVisible = 0;
|
|
static int VGLMouseShown = VGL_MOUSEHIDE;
|
|
static int VGLMouseXpos = 0;
|
|
static int VGLMouseYpos = 0;
|
|
static int VGLMouseButtons = 0;
|
|
static volatile sig_atomic_t VGLMintpending;
|
|
static volatile sig_atomic_t VGLMsuppressint;
|
|
|
|
#define INTOFF() (VGLMsuppressint++)
|
|
#define INTON() do { \
|
|
if (--VGLMsuppressint == 0 && VGLMintpending) \
|
|
VGLMouseAction(0); \
|
|
} while (0)
|
|
|
|
void
|
|
VGLMousePointerShow()
|
|
{
|
|
byte buf[MOUSE_IMG_SIZE*MOUSE_IMG_SIZE*4];
|
|
VGLBitmap buffer =
|
|
VGLBITMAP_INITIALIZER(MEMBUF, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE, buf);
|
|
byte crtcidx, crtcval, gdcidx, gdcval;
|
|
int pos;
|
|
|
|
if (!VGLMouseVisible) {
|
|
INTOFF();
|
|
VGLMouseVisible = 1;
|
|
if (VGLModeInfo.vi_mem_model != V_INFO_MM_DIRECT) {
|
|
crtcidx = inb(0x3c4);
|
|
crtcval = inb(0x3c5);
|
|
gdcidx = inb(0x3ce);
|
|
gdcval = inb(0x3cf);
|
|
}
|
|
buffer.PixelBytes = VGLDisplay->PixelBytes;
|
|
__VGLBitmapCopy(&VGLVDisplay, VGLMouseXpos, VGLMouseYpos,
|
|
&buffer, 0, 0, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE);
|
|
for (pos = 0; pos < MOUSE_IMG_SIZE*MOUSE_IMG_SIZE; pos++)
|
|
if (VGLMouseAndMask->Bitmap[pos])
|
|
bcopy(&VGLMouseOrMask->Bitmap[pos*VGLDisplay->PixelBytes],
|
|
&buffer.Bitmap[pos*VGLDisplay->PixelBytes],
|
|
VGLDisplay->PixelBytes);
|
|
__VGLBitmapCopy(&buffer, 0, 0, VGLDisplay,
|
|
VGLMouseXpos, VGLMouseYpos, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE);
|
|
if (VGLModeInfo.vi_mem_model != V_INFO_MM_DIRECT) {
|
|
outb(0x3c4, crtcidx);
|
|
outb(0x3c5, crtcval);
|
|
outb(0x3ce, gdcidx);
|
|
outb(0x3cf, gdcval);
|
|
}
|
|
INTON();
|
|
}
|
|
}
|
|
|
|
void
|
|
VGLMousePointerHide()
|
|
{
|
|
byte crtcidx, crtcval, gdcidx, gdcval;
|
|
|
|
if (VGLMouseVisible) {
|
|
INTOFF();
|
|
VGLMouseVisible = 0;
|
|
if (VGLModeInfo.vi_mem_model != V_INFO_MM_DIRECT) {
|
|
crtcidx = inb(0x3c4);
|
|
crtcval = inb(0x3c5);
|
|
gdcidx = inb(0x3ce);
|
|
gdcval = inb(0x3cf);
|
|
}
|
|
__VGLBitmapCopy(&VGLVDisplay, VGLMouseXpos, VGLMouseYpos, VGLDisplay,
|
|
VGLMouseXpos, VGLMouseYpos, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE);
|
|
if (VGLModeInfo.vi_mem_model != V_INFO_MM_DIRECT) {
|
|
outb(0x3c4, crtcidx);
|
|
outb(0x3c5, crtcval);
|
|
outb(0x3ce, gdcidx);
|
|
outb(0x3cf, gdcval);
|
|
}
|
|
INTON();
|
|
}
|
|
}
|
|
|
|
void
|
|
VGLMouseMode(int mode)
|
|
{
|
|
if (mode == VGL_MOUSESHOW) {
|
|
if (VGLMouseShown == VGL_MOUSEHIDE) {
|
|
VGLMousePointerShow();
|
|
VGLMouseShown = VGL_MOUSESHOW;
|
|
}
|
|
}
|
|
else {
|
|
if (VGLMouseShown == VGL_MOUSESHOW) {
|
|
VGLMousePointerHide();
|
|
VGLMouseShown = VGL_MOUSEHIDE;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
VGLMouseAction(int dummy)
|
|
{
|
|
struct mouse_info mouseinfo;
|
|
|
|
if (VGLMsuppressint) {
|
|
VGLMintpending = 1;
|
|
return;
|
|
}
|
|
again:
|
|
INTOFF();
|
|
VGLMintpending = 0;
|
|
mouseinfo.operation = MOUSE_GETINFO;
|
|
ioctl(0, CONS_MOUSECTL, &mouseinfo);
|
|
if (VGLMouseShown == VGL_MOUSESHOW)
|
|
VGLMousePointerHide();
|
|
VGLMouseXpos = mouseinfo.u.data.x;
|
|
VGLMouseYpos = mouseinfo.u.data.y;
|
|
VGLMouseButtons = mouseinfo.u.data.buttons;
|
|
if (VGLMouseShown == VGL_MOUSESHOW)
|
|
VGLMousePointerShow();
|
|
|
|
/*
|
|
* Loop to handle any new (suppressed) signals. This is INTON() without
|
|
* recursion. !SA_RESTART prevents recursion in signal handling. So the
|
|
* maximum recursion is 2 levels.
|
|
*/
|
|
VGLMsuppressint = 0;
|
|
if (VGLMintpending)
|
|
goto again;
|
|
}
|
|
|
|
void
|
|
VGLMouseSetImage(VGLBitmap *AndMask, VGLBitmap *OrMask)
|
|
{
|
|
if (VGLMouseShown == VGL_MOUSESHOW)
|
|
VGLMousePointerHide();
|
|
|
|
VGLMouseAndMask = AndMask;
|
|
|
|
if (VGLMouseOrMask != NULL) {
|
|
free(VGLMouseOrMask->Bitmap);
|
|
free(VGLMouseOrMask);
|
|
}
|
|
VGLMouseOrMask = VGLBitmapCreate(MEMBUF, OrMask->VXsize, OrMask->VYsize, 0);
|
|
VGLBitmapAllocateBits(VGLMouseOrMask);
|
|
VGLBitmapCvt(OrMask, VGLMouseOrMask);
|
|
|
|
if (VGLMouseShown == VGL_MOUSESHOW)
|
|
VGLMousePointerShow();
|
|
}
|
|
|
|
void
|
|
VGLMouseSetStdImage()
|
|
{
|
|
VGLMouseSetImage(&VGLMouseStdAndMask, &VGLMouseStdOrMask);
|
|
}
|
|
|
|
int
|
|
VGLMouseInit(int mode)
|
|
{
|
|
struct mouse_info mouseinfo;
|
|
int andmask, border, error, i, interior;
|
|
|
|
switch (VGLModeInfo.vi_mem_model) {
|
|
case V_INFO_MM_PACKED:
|
|
case V_INFO_MM_PLANAR:
|
|
andmask = 0x0f;
|
|
border = 0x0f;
|
|
interior = 0x04;
|
|
break;
|
|
case V_INFO_MM_VGAX:
|
|
andmask = 0x3f;
|
|
border = 0x3f;
|
|
interior = 0x24;
|
|
break;
|
|
default:
|
|
andmask = 0xff;
|
|
border = BORDER;
|
|
interior = INTERIOR;
|
|
break;
|
|
}
|
|
if (VGLModeInfo.vi_mode == M_BG640x480)
|
|
border = 0; /* XXX (palette makes 0x04 look like 0x0f) */
|
|
if (getenv("VGLMOUSEBORDERCOLOR") != NULL)
|
|
border = strtoul(getenv("VGLMOUSEBORDERCOLOR"), NULL, 0);
|
|
if (getenv("VGLMOUSEINTERIORCOLOR") != NULL)
|
|
interior = strtoul(getenv("VGLMOUSEINTERIORCOLOR"), NULL, 0);
|
|
for (i = 0; i < MOUSE_IMG_SIZE*MOUSE_IMG_SIZE; i++)
|
|
VGLMouseStdOrMask.Bitmap[i] = VGLMouseStdOrMask.Bitmap[i] == BORDER ?
|
|
border : VGLMouseStdOrMask.Bitmap[i] == INTERIOR ? interior : 0;
|
|
VGLMouseSetStdImage();
|
|
mouseinfo.operation = MOUSE_MODE;
|
|
mouseinfo.u.mode.signal = SIGUSR2;
|
|
if ((error = ioctl(0, CONS_MOUSECTL, &mouseinfo)))
|
|
return error;
|
|
signal(SIGUSR2, VGLMouseAction);
|
|
mouseinfo.operation = MOUSE_GETINFO;
|
|
ioctl(0, CONS_MOUSECTL, &mouseinfo);
|
|
VGLMouseXpos = mouseinfo.u.data.x;
|
|
VGLMouseYpos = mouseinfo.u.data.y;
|
|
VGLMouseButtons = mouseinfo.u.data.buttons;
|
|
VGLMouseMode(mode);
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
VGLMouseRestore(void)
|
|
{
|
|
struct mouse_info mouseinfo;
|
|
|
|
INTOFF();
|
|
mouseinfo.operation = MOUSE_GETINFO;
|
|
if (ioctl(0, CONS_MOUSECTL, &mouseinfo) == 0) {
|
|
mouseinfo.operation = MOUSE_MOVEABS;
|
|
mouseinfo.u.data.x = VGLMouseXpos;
|
|
mouseinfo.u.data.y = VGLMouseYpos;
|
|
ioctl(0, CONS_MOUSECTL, &mouseinfo);
|
|
}
|
|
INTON();
|
|
}
|
|
|
|
int
|
|
VGLMouseStatus(int *x, int *y, char *buttons)
|
|
{
|
|
INTOFF();
|
|
*x = VGLMouseXpos;
|
|
*y = VGLMouseYpos;
|
|
*buttons = VGLMouseButtons;
|
|
INTON();
|
|
return VGLMouseShown;
|
|
}
|
|
|
|
void
|
|
VGLMouseFreeze(void)
|
|
{
|
|
INTOFF();
|
|
}
|
|
|
|
int
|
|
VGLMouseFreezeXY(int x, int y)
|
|
{
|
|
INTOFF();
|
|
if (VGLMouseShown != VGL_MOUSESHOW)
|
|
return 0;
|
|
if (x >= VGLMouseXpos && x < VGLMouseXpos + MOUSE_IMG_SIZE &&
|
|
y >= VGLMouseYpos && y < VGLMouseYpos + MOUSE_IMG_SIZE &&
|
|
VGLMouseAndMask->Bitmap[(y-VGLMouseYpos)*MOUSE_IMG_SIZE+(x-VGLMouseXpos)])
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
VGLMouseOverlap(int x, int y, int width, int hight)
|
|
{
|
|
int overlap;
|
|
|
|
if (VGLMouseShown != VGL_MOUSESHOW)
|
|
return 0;
|
|
if (x > VGLMouseXpos)
|
|
overlap = (VGLMouseXpos + MOUSE_IMG_SIZE) - x;
|
|
else
|
|
overlap = (x + width) - VGLMouseXpos;
|
|
if (overlap <= 0)
|
|
return 0;
|
|
if (y > VGLMouseYpos)
|
|
overlap = (VGLMouseYpos + MOUSE_IMG_SIZE) - y;
|
|
else
|
|
overlap = (y + hight) - VGLMouseYpos;
|
|
return overlap > 0;
|
|
}
|
|
|
|
void
|
|
VGLMouseMerge(int x, int y, int width, byte *line)
|
|
{
|
|
int pos, x1, xend, xstart;
|
|
|
|
xstart = x;
|
|
if (xstart < VGLMouseXpos)
|
|
xstart = VGLMouseXpos;
|
|
xend = x + width;
|
|
if (xend > VGLMouseXpos + MOUSE_IMG_SIZE)
|
|
xend = VGLMouseXpos + MOUSE_IMG_SIZE;
|
|
for (x1 = xstart; x1 < xend; x1++) {
|
|
pos = (y - VGLMouseYpos) * MOUSE_IMG_SIZE + x1 - VGLMouseXpos;
|
|
if (VGLMouseAndMask->Bitmap[pos])
|
|
bcopy(&VGLMouseOrMask->Bitmap[pos * VGLDisplay->PixelBytes],
|
|
&line[(x1 - x) * VGLDisplay->PixelBytes], VGLDisplay->PixelBytes);
|
|
}
|
|
}
|
|
|
|
void
|
|
VGLMouseUnFreeze()
|
|
{
|
|
INTON();
|
|
}
|