aa1ce985e4
depths for the source and target are not supported. The bits for higher numbered planes (mostly for red) were either not copied or were copied to lower numbered planes for nearby pixels. Quick fix for creation of mouse cursor bitmaps in all depths. This fix is only complete for the default lightwhite cursor with a black frame. Even the lightwhite and black colors are hard to find. The templates use 0xff for lightwhite, but that means brightblue in the simplest mode (Truecolor depth 24). Other modes are even more complicated -- they are singly or doubly indirect throught palette(s) and changing of the palettes by applications is supported. Details: Replicate the template value for Truecolor modes to fill out the target depth (and more for depths not a multiple of 8). Do this for every drawing of the cursor so that it sort of works for mouse cursor bitmaps set by applications. Use 0xf for lightwhite in most other modes. Only do this for the default cursor so that it doesn't affect mouse cursor bitmaps set by applications. 0xf mostly works because it was originally for CGA lightwhite and is emulated using 1 or 2 indirections on EGA and VGA. 0x3f (EGA white) and 0xff (VGA black) direct palette indexes mostly don't work since backwards compatibility inhibits or prevents them representing lightwhite. But 0x3f (EGA white) must be used for mode 37 (VGA_MODEX) (320x240x8 V) since this mode is closer to EGA than VGA.
312 lines
8.8 KiB
C
312 lines
8.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1991-1997 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/signal.h>
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#include <sys/consio.h>
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#include <sys/fbio.h>
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#include "vgl.h"
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#define X 0xff
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static byte StdAndMask[MOUSE_IMG_SIZE*MOUSE_IMG_SIZE] = {
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X,X,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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X,X,X,0,0,0,0,0,0,0,0,0,0,0,0,0,
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X,X,X,X,0,0,0,0,0,0,0,0,0,0,0,0,
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X,X,X,X,X,0,0,0,0,0,0,0,0,0,0,0,
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X,X,X,X,X,X,0,0,0,0,0,0,0,0,0,0,
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X,X,X,X,X,X,X,0,0,0,0,0,0,0,0,0,
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X,X,X,X,X,X,X,X,0,0,0,0,0,0,0,0,
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X,X,X,X,X,X,X,X,X,0,0,0,0,0,0,0,
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X,X,X,X,X,X,X,0,0,0,0,0,0,0,0,0,
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0,0,0,X,X,X,X,0,0,0,0,0,0,0,0,0,
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0,0,0,X,X,X,X,X,0,0,0,0,0,0,0,0,
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0,0,0,0,X,X,X,X,0,0,0,0,0,0,0,0,
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0,0,0,0,X,X,X,X,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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};
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static byte StdOrMask[MOUSE_IMG_SIZE*MOUSE_IMG_SIZE] = {
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,X,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,X,X,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,X,X,X,0,0,0,0,0,0,0,0,0,0,0,0,
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0,X,X,X,X,0,0,0,0,0,0,0,0,0,0,0,
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0,X,X,X,X,X,0,0,0,0,0,0,0,0,0,0,
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0,X,X,X,X,X,X,0,0,0,0,0,0,0,0,0,
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0,X,X,0,X,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,X,X,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,X,X,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,X,X,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,X,X,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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};
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#undef X
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static VGLBitmap VGLMouseStdAndMask =
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VGLBITMAP_INITIALIZER(MEMBUF, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE, StdAndMask);
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static VGLBitmap VGLMouseStdOrMask =
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VGLBITMAP_INITIALIZER(MEMBUF, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE, StdOrMask);
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static VGLBitmap *VGLMouseAndMask, *VGLMouseOrMask;
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static byte map[MOUSE_IMG_SIZE*MOUSE_IMG_SIZE*4];
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static VGLBitmap VGLMouseSave =
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VGLBITMAP_INITIALIZER(MEMBUF, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE, map);
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static int VGLMouseVisible = 0;
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static int VGLMouseFrozen = 0;
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static int VGLMouseShown = 0;
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static int VGLMouseXpos = 0;
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static int VGLMouseYpos = 0;
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static int VGLMouseButtons = 0;
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void
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VGLMousePointerShow()
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{
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byte buf[MOUSE_IMG_SIZE*MOUSE_IMG_SIZE*4];
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VGLBitmap buffer =
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VGLBITMAP_INITIALIZER(MEMBUF, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE, buf);
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byte crtcidx, crtcval, gdcidx, gdcval;
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int i, pos, pos1;
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if (!VGLMouseVisible) {
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VGLMouseVisible = 1;
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crtcidx = inb(0x3c4);
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crtcval = inb(0x3c5);
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gdcidx = inb(0x3ce);
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gdcval = inb(0x3cf);
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__VGLBitmapCopy(VGLDisplay, VGLMouseXpos, VGLMouseYpos,
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&VGLMouseSave, 0, 0, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE);
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bcopy(VGLMouseSave.Bitmap, buffer.Bitmap,
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MOUSE_IMG_SIZE*MOUSE_IMG_SIZE*VGLDisplay->PixelBytes);
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for (pos = 0; pos < MOUSE_IMG_SIZE*MOUSE_IMG_SIZE; pos++)
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for (i = 0; i < VGLDisplay->PixelBytes; i++) {
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pos1 = pos * VGLDisplay->PixelBytes + i;
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buffer.Bitmap[pos1] = (buffer.Bitmap[pos1] &
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~VGLMouseAndMask->Bitmap[pos]) |
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VGLMouseOrMask->Bitmap[pos];
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}
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__VGLBitmapCopy(&buffer, 0, 0, VGLDisplay,
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VGLMouseXpos, VGLMouseYpos, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE);
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outb(0x3c4, crtcidx);
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outb(0x3c5, crtcval);
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outb(0x3ce, gdcidx);
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outb(0x3cf, gdcval);
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}
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}
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void
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VGLMousePointerHide()
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{
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byte crtcidx, crtcval, gdcidx, gdcval;
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if (VGLMouseVisible) {
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VGLMouseVisible = 0;
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crtcidx = inb(0x3c4);
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crtcval = inb(0x3c5);
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gdcidx = inb(0x3ce);
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gdcval = inb(0x3cf);
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__VGLBitmapCopy(&VGLMouseSave, 0, 0, VGLDisplay,
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VGLMouseXpos, VGLMouseYpos, MOUSE_IMG_SIZE, MOUSE_IMG_SIZE);
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outb(0x3c4, crtcidx);
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outb(0x3c5, crtcval);
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outb(0x3ce, gdcidx);
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outb(0x3cf, gdcval);
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}
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}
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void
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VGLMouseMode(int mode)
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{
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if (mode == VGL_MOUSESHOW) {
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if (VGLMouseShown == VGL_MOUSEHIDE) {
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VGLMousePointerShow();
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VGLMouseShown = VGL_MOUSESHOW;
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}
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}
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else {
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if (VGLMouseShown == VGL_MOUSESHOW) {
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VGLMousePointerHide();
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VGLMouseShown = VGL_MOUSEHIDE;
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}
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}
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}
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void
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VGLMouseAction(int dummy)
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{
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struct mouse_info mouseinfo;
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if (VGLMouseFrozen) {
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VGLMouseFrozen++;
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return;
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}
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mouseinfo.operation = MOUSE_GETINFO;
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ioctl(0, CONS_MOUSECTL, &mouseinfo);
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if (VGLMouseShown == VGL_MOUSESHOW)
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VGLMousePointerHide();
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VGLMouseXpos = mouseinfo.u.data.x;
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VGLMouseYpos = mouseinfo.u.data.y;
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VGLMouseButtons = mouseinfo.u.data.buttons;
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if (VGLMouseShown == VGL_MOUSESHOW)
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VGLMousePointerShow();
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}
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void
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VGLMouseSetImage(VGLBitmap *AndMask, VGLBitmap *OrMask)
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{
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if (VGLMouseShown == VGL_MOUSESHOW)
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VGLMousePointerHide();
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VGLMouseAndMask = AndMask;
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VGLMouseOrMask = OrMask;
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if (VGLMouseShown == VGL_MOUSESHOW)
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VGLMousePointerShow();
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}
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void
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VGLMouseSetStdImage()
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{
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if (VGLMouseShown == VGL_MOUSESHOW)
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VGLMousePointerHide();
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VGLMouseAndMask = &VGLMouseStdAndMask;
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VGLMouseOrMask = &VGLMouseStdOrMask;
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if (VGLMouseShown == VGL_MOUSESHOW)
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VGLMousePointerShow();
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}
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int
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VGLMouseInit(int mode)
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{
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struct mouse_info mouseinfo;
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int error, i, mask;
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switch (VGLModeInfo.vi_mem_model) {
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case V_INFO_MM_PACKED:
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case V_INFO_MM_PLANAR:
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mask = 0x0f;
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break;
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case V_INFO_MM_VGAX:
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mask = 0x3f;
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break;
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default:
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mask = 0xff;
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break;
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}
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for (i = 0; i < 256; i++)
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VGLMouseStdOrMask.Bitmap[i] &= mask;
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VGLMouseSetStdImage();
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mouseinfo.operation = MOUSE_MODE;
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mouseinfo.u.mode.signal = SIGUSR2;
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if ((error = ioctl(0, CONS_MOUSECTL, &mouseinfo)))
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return error;
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signal(SIGUSR2, VGLMouseAction);
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mouseinfo.operation = MOUSE_GETINFO;
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ioctl(0, CONS_MOUSECTL, &mouseinfo);
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VGLMouseXpos = mouseinfo.u.data.x;
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VGLMouseYpos = mouseinfo.u.data.y;
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VGLMouseButtons = mouseinfo.u.data.buttons;
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VGLMouseMode(mode);
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return 0;
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}
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int
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VGLMouseStatus(int *x, int *y, char *buttons)
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{
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signal(SIGUSR2, SIG_IGN);
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*x = VGLMouseXpos;
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*y = VGLMouseYpos;
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*buttons = VGLMouseButtons;
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signal(SIGUSR2, VGLMouseAction);
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return VGLMouseShown;
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}
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int
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VGLMouseFreeze(int x, int y, int width, int hight, u_long color)
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{
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int i, xstride, ystride;
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if (!VGLMouseFrozen) {
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VGLMouseFrozen = 1;
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if (width > 1 || hight > 1) { /* bitmap */
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if (VGLMouseShown == 1) {
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int overlap;
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if (x > VGLMouseXpos)
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overlap = (VGLMouseXpos + MOUSE_IMG_SIZE) - x;
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else
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overlap = (x + width) - VGLMouseXpos;
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if (overlap > 0) {
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if (y > VGLMouseYpos)
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overlap = (VGLMouseYpos + MOUSE_IMG_SIZE) - y;
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else
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overlap = (y + hight) - VGLMouseYpos;
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if (overlap > 0)
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VGLMousePointerHide();
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}
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}
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}
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else { /* bit */
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if (VGLMouseShown &&
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x >= VGLMouseXpos && x < VGLMouseXpos + MOUSE_IMG_SIZE &&
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y >= VGLMouseYpos && y < VGLMouseYpos + MOUSE_IMG_SIZE) {
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xstride = VGLDisplay->PixelBytes;
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ystride = MOUSE_IMG_SIZE * xstride;
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for (i = 0; i < xstride; i++, color >>= 8)
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VGLMouseSave.Bitmap[(y-VGLMouseYpos)*ystride+
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(x-VGLMouseXpos)*xstride+i] = color;
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if (VGLMouseAndMask->Bitmap
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[(y-VGLMouseYpos)*MOUSE_IMG_SIZE+(x-VGLMouseXpos)]) {
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return 1;
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}
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}
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}
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}
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return 0;
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}
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void
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VGLMouseUnFreeze()
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{
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if (VGLMouseFrozen > 1) {
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VGLMouseFrozen = 0;
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VGLMouseAction(0);
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}
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else {
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VGLMouseFrozen = 0;
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if (VGLMouseShown == VGL_MOUSESHOW && !VGLMouseVisible)
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VGLMousePointerShow();
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}
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}
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