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R6.6 is the Xorg base-line
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Kaleb Keithley
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cb6ef07bf0
commit
ded6147bfb
609 changed files with 262690 additions and 0 deletions
326
hw/xfree86/common/xf86Cursor.c
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326
hw/xfree86/common/xf86Cursor.c
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/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Cursor.c,v 3.13 1996/12/23 06:43:22 dawes Exp $ */
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/*
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* Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Thomas Roell not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Thomas Roell makes no representations
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* about the suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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*
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* THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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/* $Xorg: xf86Cursor.c,v 1.3 2000/08/17 19:50:29 cpqbld Exp $ */
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#define NEED_EVENTS
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#include "X.h"
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#include "Xmd.h"
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#include "input.h"
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#include "cursor.h"
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#include "mipointer.h"
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#include "scrnintstr.h"
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#include "compiler.h"
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#include "xf86.h"
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#include "xf86Procs.h"
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#ifdef XFreeXDGA
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#include "Xproto.h"
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#include "extnsionst.h"
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#include "scrnintstr.h"
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#include "servermd.h"
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#define _XF86DGA_SERVER_
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#include "extensions/xf86dgastr.h"
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#endif
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#ifdef XINPUT
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#include "xf86_Config.h"
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#include "XIproto.h"
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#include "xf86Xinput.h"
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#endif
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/* #include "atKeynames.h" -hv- dont need that include here */
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static Bool xf86CursorOffScreen(
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#if NeedFunctionPrototypes
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ScreenPtr *pScreen,
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int *x,
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int *y
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#endif
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);
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static void xf86CrossScreen(
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#if NeedFunctionPrototypes
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ScreenPtr pScreen,
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Bool entering
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#endif
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);
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static void xf86WrapCursor(
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#if NeedFunctionPrototypes
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ScreenPtr pScreen,
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int x,
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int y
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#endif
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);
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miPointerScreenFuncRec xf86PointerScreenFuncs = {
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xf86CursorOffScreen,
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xf86CrossScreen,
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xf86WrapCursor,
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#ifdef XINPUT
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xf86eqEnqueue,
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#endif
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};
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/*
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* xf86InitViewport --
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* Initialize paning & zooming parameters, so that a driver must only
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* check what resolutions are possible and whether the virtual area
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* is valid if specifyed.
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*/
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void
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xf86InitViewport(pScr)
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ScrnInfoPtr pScr;
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{
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/*
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* Compute the initial Viewport if necessary
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*/
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if (pScr->frameX0 < 0)
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{
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pScr->frameX0 = (pScr->virtualX - pScr->modes->HDisplay) / 2;
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pScr->frameY0 = (pScr->virtualY - pScr->modes->VDisplay) / 2;
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}
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pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;
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pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;
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/*
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* Now adjust the initial Viewport, so it lies within the virtual area
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*/
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if (pScr->frameX1 >= pScr->virtualX)
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{
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pScr->frameX0 = pScr->virtualX - pScr->modes->HDisplay;
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pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;
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}
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if (pScr->frameY1 >= pScr->virtualY)
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{
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pScr->frameY0 = pScr->virtualY - pScr->modes->VDisplay;
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pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;
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}
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}
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/*
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* xf86SetViewport --
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* Scroll the visual part of the screen so the pointer is visible.
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*/
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void
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xf86SetViewport(pScreen, x, y)
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ScreenPtr pScreen;
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int x, y;
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{
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Bool frameChanged = FALSE;
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ScrnInfoPtr pScr = XF86SCRNINFO(pScreen);
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/*
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* check wether (x,y) belongs to the visual part of the screen
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* if not, change the base of the displayed frame accoring
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*/
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if ( pScr->frameX0 > x) {
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pScr->frameX0 = x;
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pScr->frameX1 = x + pScr->modes->HDisplay - 1;
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frameChanged = TRUE ;
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}
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if ( pScr->frameX1 < x) {
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pScr->frameX1 = x + 1;
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pScr->frameX0 = x - pScr->modes->HDisplay + 1;
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frameChanged = TRUE ;
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}
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if ( pScr->frameY0 > y) {
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pScr->frameY0 = y;
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pScr->frameY1 = y + pScr->modes->VDisplay - 1;
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frameChanged = TRUE;
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}
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if ( pScr->frameY1 < y) {
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pScr->frameY1 = y;
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pScr->frameY0 = y - pScr->modes->VDisplay + 1;
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frameChanged = TRUE;
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}
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if (frameChanged) (pScr->AdjustFrame)(pScr->frameX0, pScr->frameY0);
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}
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static Bool xf86ZoomLocked = FALSE;
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/*
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* xf86LockZoom --
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* Enable/disable ZoomViewport
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*/
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void
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xf86LockZoom (pScreen, lock)
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ScreenPtr pScreen;
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Bool lock;
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{
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/*
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* pScreen is currently ignored, but may be used later to enable locking
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* of individual screens.
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*/
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xf86ZoomLocked = lock;
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}
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/*
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* xf86ZoomViewport --
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* Reinitialize the visual part of the screen for another modes->
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*/
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void
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xf86ZoomViewport (pScreen, zoom)
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ScreenPtr pScreen;
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int zoom;
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{
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ScrnInfoPtr pScr = XF86SCRNINFO(pScreen);
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if (xf86ZoomLocked)
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return;
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#ifdef XFreeXDGA
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/*
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* We should really send the mode change request to the DGA client and let
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* it decide what to do. For now just bin the request
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*/
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if (((ScrnInfoPtr)(xf86Info.currentScreen->devPrivates[xf86ScreenIndex].ptr))->directMode&XF86DGADirectGraphics)
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return;
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#endif
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if (pScr->modes != pScr->modes->next)
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{
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pScr->modes = zoom > 0 ? pScr->modes->next : pScr->modes->prev;
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if ((pScr->SwitchMode)(pScr->modes))
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{
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/*
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* adjust new frame for the displaysize
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*/
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pScr->frameX0 = (pScr->frameX1 + pScr->frameX0 -pScr->modes->HDisplay)/2;
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pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;
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if (pScr->frameX0 < 0)
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{
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pScr->frameX0 = 0;
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pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;
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}
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else if (pScr->frameX1 >= pScr->virtualX)
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{
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pScr->frameX0 = pScr->virtualX - pScr->modes->HDisplay;
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pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;
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}
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pScr->frameY0 = (pScr->frameY1 + pScr->frameY0 - pScr->modes->VDisplay)/2;
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pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;
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if (pScr->frameY0 < 0)
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{
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pScr->frameY0 = 0;
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pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;
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}
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else if (pScr->frameY1 >= pScr->virtualY)
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{
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pScr->frameY0 = pScr->virtualY - pScr->modes->VDisplay;
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pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;
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}
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}
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else /* switch failed, so go back to old mode */
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pScr->modes = zoom > 0 ? pScr->modes->prev : pScr->modes->next;
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}
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(pScr->AdjustFrame)(pScr->frameX0, pScr->frameY0);
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}
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/*
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* xf86CursorOffScreen --
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* Check whether it is necessary to switch to another screen
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*/
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/* ARGSUSED */
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static Bool
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xf86CursorOffScreen (pScreen, x, y)
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ScreenPtr *pScreen;
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int *x, *y;
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{
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int i;
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if ((screenInfo.numScreens > 1) && ((*x < 0) || ((*pScreen)->width <= *x))) {
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i = (*pScreen)->myNum;
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if (*x < 0) {
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i = (i ? i : screenInfo.numScreens) -1;
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*pScreen = screenInfo.screens[i];
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*x += (*pScreen)->width;
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}
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else {
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*x -= (*pScreen)->width;
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i = (i+1) % screenInfo.numScreens;
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*pScreen = screenInfo.screens[i];
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}
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return(TRUE);
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}
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return(FALSE);
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}
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/*
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* xf86CrossScreen --
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* Switch to another screen
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*/
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/* ARGSUSED */
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static void
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xf86CrossScreen (pScreen, entering)
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ScreenPtr pScreen;
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Bool entering;
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{
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if (xf86Info.sharedMonitor)
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(XF86SCRNINFO(pScreen)->EnterLeaveMonitor)(entering);
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(XF86SCRNINFO(pScreen)->EnterLeaveCursor)(entering);
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}
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/*
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* xf86WrapCursor --
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* Wrap possible to another screen
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*/
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/* ARGSUSED */
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static void
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xf86WrapCursor (pScreen, x, y)
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ScreenPtr pScreen;
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int x,y;
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{
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miPointerWarpCursor(pScreen,x,y);
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xf86Info.currentScreen = pScreen;
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}
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