diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/common/xf86Cursor.c')
-rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/common/xf86Cursor.c | 788 |
1 files changed, 0 insertions, 788 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86Cursor.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86Cursor.c deleted file mode 100644 index 0e2d77492..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/common/xf86Cursor.c +++ /dev/null @@ -1,788 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Cursor.c,v 3.37 2003/11/07 22:20:17 dawes Exp $ */ -/* - * Copyright (c) 1994-2003 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of the copyright holder(s) - * and author(s) shall not be used in advertising or otherwise to promote - * the sale, use or other dealings in this Software without prior written - * authorization from the copyright holder(s) and author(s). - */ - -/* $XConsortium: xf86Cursor.c /main/10 1996/10/19 17:58:23 kaleb $ */ - -#define NEED_EVENTS -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xmd.h> -#include "input.h" -#include "cursor.h" -#include "mipointer.h" -#include "scrnintstr.h" -#include "globals.h" - -#include "compiler.h" - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSproc.h" - -#ifdef XINPUT -#include <X11/extensions/XIproto.h> -#include "xf86Xinput.h" -#endif - -#ifdef XFreeXDGA -#include "dgaproc.h" -#endif - -typedef struct _xf86EdgeRec { - short screen; - short start; - short end; - DDXPointRec offset; - struct _xf86EdgeRec *next; -} xf86EdgeRec, *xf86EdgePtr; - -typedef struct { - xf86EdgePtr left, right, up, down; -} xf86ScreenLayoutRec, *xf86ScreenLayoutPtr; - -static Bool xf86CursorOffScreen(ScreenPtr *pScreen, int *x, int *y); -static void xf86CrossScreen(ScreenPtr pScreen, Bool entering); -static void xf86WarpCursor(ScreenPtr pScreen, int x, int y); - -static void xf86PointerMoved(int scrnIndex, int x, int y); - -static miPointerScreenFuncRec xf86PointerScreenFuncs = { - xf86CursorOffScreen, - xf86CrossScreen, - xf86WarpCursor, -#ifdef XINPUT - xf86eqEnqueue, - xf86eqSwitchScreen -#else - /* let miPointerInitialize take care of these */ - NULL, - NULL -#endif -}; - -static xf86ScreenLayoutRec xf86ScreenLayout[MAXSCREENS]; - -static Bool HardEdges; - -/* - * xf86InitViewport -- - * Initialize paning & zooming parameters, so that a driver must only - * check what resolutions are possible and whether the virtual area - * is valid if specified. - */ - -void -xf86InitViewport(ScrnInfoPtr pScr) -{ - - pScr->PointerMoved = xf86PointerMoved; - - /* - * Compute the initial Viewport if necessary - */ - if (pScr->display) { - if (pScr->display->frameX0 < 0) { - pScr->frameX0 = (pScr->virtualX - pScr->modes->HDisplay) / 2; - pScr->frameY0 = (pScr->virtualY - pScr->modes->VDisplay) / 2; - } else { - pScr->frameX0 = pScr->display->frameX0; - pScr->frameY0 = pScr->display->frameY0; - } - } - - pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1; - pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1; - - /* - * Now adjust the initial Viewport, so it lies within the virtual area - */ - if (pScr->frameX1 >= pScr->virtualX) - { - pScr->frameX0 = pScr->virtualX - pScr->modes->HDisplay; - pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1; - } - - if (pScr->frameY1 >= pScr->virtualY) - { - pScr->frameY0 = pScr->virtualY - pScr->modes->VDisplay; - pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1; - } -} - - -/* - * xf86SetViewport -- - * Scroll the visual part of the screen so the pointer is visible. - */ - -void -xf86SetViewport(ScreenPtr pScreen, int x, int y) -{ - ScrnInfoPtr pScr = XF86SCRNINFO(pScreen); - - (*pScr->PointerMoved)(pScreen->myNum, x, y); -} - - -static void -xf86PointerMoved(int scrnIndex, int x, int y) -{ - Bool frameChanged = FALSE; - ScrnInfoPtr pScr = xf86Screens[scrnIndex]; - - /* - * check wether (x,y) belongs to the visual part of the screen - * if not, change the base of the displayed frame accoring - */ - if ( pScr->frameX0 > x) { - pScr->frameX0 = x; - pScr->frameX1 = x + pScr->currentMode->HDisplay - 1; - frameChanged = TRUE ; - } - - if ( pScr->frameX1 < x) { - pScr->frameX1 = x + 1; - pScr->frameX0 = x - pScr->currentMode->HDisplay + 1; - frameChanged = TRUE ; - } - - if ( pScr->frameY0 > y) { - pScr->frameY0 = y; - pScr->frameY1 = y + pScr->currentMode->VDisplay - 1; - frameChanged = TRUE; - } - - if ( pScr->frameY1 < y) { - pScr->frameY1 = y; - pScr->frameY0 = y - pScr->currentMode->VDisplay + 1; - frameChanged = TRUE; - } - - if (frameChanged && pScr->AdjustFrame != NULL) - pScr->AdjustFrame(pScr->scrnIndex, pScr->frameX0, pScr->frameY0, 0); -} - -/* - * xf86LockZoom -- - * Enable/disable ZoomViewport - */ - -void -xf86LockZoom(ScreenPtr pScreen, Bool lock) -{ - XF86SCRNINFO(pScreen)->zoomLocked = lock; -} - -/* - * xf86SwitchMode -- - * This is called by both keyboard processing and the VidMode extension to - * set a new mode. - */ - -Bool -xf86SwitchMode(ScreenPtr pScreen, DisplayModePtr mode) -{ - ScrnInfoPtr pScr = XF86SCRNINFO(pScreen); - ScreenPtr pCursorScreen; - Bool Switched; - int px, py; - - if (!pScr->vtSema || !mode || !pScr->SwitchMode) - return FALSE; - -#ifdef XFreeXDGA - if (DGAActive(pScr->scrnIndex)) - return FALSE; -#endif - - if (mode == pScr->currentMode) - return TRUE; - - if (mode->HDisplay > pScr->virtualX || mode->VDisplay > pScr->virtualY) - return FALSE; - - pCursorScreen = miPointerCurrentScreen(); - if (pScreen == pCursorScreen) - miPointerPosition(&px, &py); - - xf86EnterServerState(SETUP); - Switched = (*pScr->SwitchMode)(pScr->scrnIndex, mode, 0); - xf86EnterServerState(OPERATING); - if (Switched) { - pScr->currentMode = mode; - - /* - * Adjust frame for new display size. - */ - if (pScreen == pCursorScreen) - pScr->frameX0 = px - (mode->HDisplay / 2) + 1; - else - pScr->frameX0 = (pScr->frameX0 + pScr->frameX1 + 1 - mode->HDisplay) / 2; - - if (pScr->frameX0 < 0) - pScr->frameX0 = 0; - - pScr->frameX1 = pScr->frameX0 + mode->HDisplay - 1; - if (pScr->frameX1 >= pScr->virtualX) { - pScr->frameX0 = pScr->virtualX - mode->HDisplay; - pScr->frameX1 = pScr->virtualX - 1; - } - - if (pScreen == pCursorScreen) - pScr->frameY0 = py - (mode->VDisplay / 2) + 1; - else - pScr->frameY0 = (pScr->frameY0 + pScr->frameY1 + 1 - mode->VDisplay) / 2; - - if (pScr->frameY0 < 0) - pScr->frameY0 = 0; - - pScr->frameY1 = pScr->frameY0 + mode->VDisplay - 1; - if (pScr->frameY1 >= pScr->virtualY) { - pScr->frameY0 = pScr->virtualY - mode->VDisplay; - pScr->frameY1 = pScr->virtualY - 1; - } - } - - if (pScr->AdjustFrame) - (*pScr->AdjustFrame)(pScr->scrnIndex, pScr->frameX0, pScr->frameY0, 0); - - if (pScreen == pCursorScreen) - xf86WarpCursor(pScreen, px, py); - - return Switched; -} - -/* - * xf86ZoomViewport -- - * Reinitialize the visual part of the screen for another mode. - */ - -void -xf86ZoomViewport(ScreenPtr pScreen, int zoom) -{ - ScrnInfoPtr pScr = XF86SCRNINFO(pScreen); - DisplayModePtr mode; - - if (pScr->zoomLocked || !(mode = pScr->currentMode)) - return; - - do { - if (zoom > 0) - mode = mode->next; - else - mode = mode->prev; - } while (mode != pScr->currentMode && !(mode->type & M_T_USERDEF)); - - (void)xf86SwitchMode(pScreen, mode); -} - - -static xf86EdgePtr -FindEdge(xf86EdgePtr edge, int val) -{ - while(edge && (edge->end <= val)) - edge = edge->next; - - if(edge && (edge->start <= val)) - return edge; - - return NULL; -} - -/* - * xf86CursorOffScreen -- - * Check whether it is necessary to switch to another screen - */ - -static Bool -xf86CursorOffScreen(ScreenPtr *pScreen, int *x, int *y) -{ - xf86EdgePtr edge; - int tmp; - - if(screenInfo.numScreens == 1) - return FALSE; - - if(*x < 0) { - tmp = *y; - if(tmp < 0) tmp = 0; - if(tmp >= (*pScreen)->height) tmp = (*pScreen)->height - 1; - - if((edge = xf86ScreenLayout[(*pScreen)->myNum].left)) - edge = FindEdge(edge, tmp); - - if(!edge) *x = 0; - else { - *x += edge->offset.x; - *y += edge->offset.y; - *pScreen = xf86Screens[edge->screen]->pScreen; - } - } - - if(*x >= (*pScreen)->width) { - tmp = *y; - if(tmp < 0) tmp = 0; - if(tmp >= (*pScreen)->height) tmp = (*pScreen)->height - 1; - - if((edge = xf86ScreenLayout[(*pScreen)->myNum].right)) - edge = FindEdge(edge, tmp); - - if(!edge) *x = (*pScreen)->width - 1; - else { - *x += edge->offset.x; - *y += edge->offset.y; - *pScreen = xf86Screens[edge->screen]->pScreen; - } - } - - if(*y < 0) { - tmp = *x; - if(tmp < 0) tmp = 0; - if(tmp >= (*pScreen)->width) tmp = (*pScreen)->width - 1; - - if((edge = xf86ScreenLayout[(*pScreen)->myNum].up)) - edge = FindEdge(edge, tmp); - - if(!edge) *y = 0; - else { - *x += edge->offset.x; - *y += edge->offset.y; - *pScreen = xf86Screens[edge->screen]->pScreen; - } - } - - if(*y >= (*pScreen)->height) { - tmp = *x; - if(tmp < 0) tmp = 0; - if(tmp >= (*pScreen)->width) tmp = (*pScreen)->width - 1; - - if((edge = xf86ScreenLayout[(*pScreen)->myNum].down)) - edge = FindEdge(edge, tmp); - - if(!edge) *y = (*pScreen)->height - 1; - else { - *x += edge->offset.x; - *y += edge->offset.y; - (*pScreen) = xf86Screens[edge->screen]->pScreen; - } - } - - -#if 0 - /* This presents problems for overlapping screens when - HardEdges is used. Have to think about the logic more */ - if((*x < 0) || (*x >= (*pScreen)->width) || - (*y < 0) || (*y >= (*pScreen)->height)) { - /* We may have crossed more than one screen */ - xf86CursorOffScreen(pScreen, x, y); - } -#endif - - return TRUE; -} - - - -/* - * xf86CrossScreen -- - * Switch to another screen - */ - -/* NEED TO CHECK THIS */ -/* ARGSUSED */ -static void -xf86CrossScreen (ScreenPtr pScreen, Bool entering) -{ -#if 0 - if (xf86Info.sharedMonitor) - (XF86SCRNINFO(pScreen)->EnterLeaveMonitor)(entering); - (XF86SCRNINFO(pScreen)->EnterLeaveCursor)(entering); -#endif -} - - -/* - * xf86WarpCursor -- - * Warp possible to another screen - */ - -/* ARGSUSED */ -static void -xf86WarpCursor (ScreenPtr pScreen, int x, int y) -{ - int sigstate; - sigstate = xf86BlockSIGIO (); - miPointerWarpCursor(pScreen,x,y); - - xf86Info.currentScreen = pScreen; - xf86UnblockSIGIO (sigstate); -} - - -void * -xf86GetPointerScreenFuncs(void) -{ - return (void *)&xf86PointerScreenFuncs; -} - - -static xf86EdgePtr -AddEdge( - xf86EdgePtr edge, - short min, - short max, - short dx, - short dy, - short screen -){ - xf86EdgePtr pEdge = edge, pPrev = NULL, pNew; - - while(1) { - while(pEdge && (min >= pEdge->end)) { - pPrev = pEdge; - pEdge = pEdge->next; - } - - if(!pEdge) { - if(!(pNew = xalloc(sizeof(xf86EdgeRec)))) - break; - - pNew->screen = screen; - pNew->start = min; - pNew->end = max; - pNew->offset.x = dx; - pNew->offset.y = dy; - pNew->next = NULL; - - if(pPrev) - pPrev->next = pNew; - else - edge = pNew; - - break; - } else if (min < pEdge->start) { - if(!(pNew = xalloc(sizeof(xf86EdgeRec)))) - break; - - pNew->screen = screen; - pNew->start = min; - pNew->offset.x = dx; - pNew->offset.y = dy; - pNew->next = pEdge; - - if(pPrev) pPrev->next = pNew; - else edge = pNew; - - if(max <= pEdge->start) { - pNew->end = max; - break; - } else { - pNew->end = pEdge->start; - min = pEdge->end; - } - } else - min = pEdge->end; - - pPrev = pEdge; - pEdge = pEdge->next; - - if(max <= min) break; - } - - return edge; -} - -static void -FillOutEdge(xf86EdgePtr pEdge, int limit) -{ - xf86EdgePtr pNext; - int diff; - - if(pEdge->start > 0) pEdge->start = 0; - - while((pNext = pEdge->next)) { - diff = pNext->start - pEdge->end; - if(diff > 0) { - pEdge->end += diff >> 1; - pNext->start -= diff - (diff >> 1); - } - pEdge = pNext; - } - - if(pEdge->end < limit) - pEdge->end = limit; -} - -/* - * xf86InitOrigins() can deal with a maximum of 32 screens - * on 32 bit architectures, 64 on 64 bit architectures. - */ - -void -xf86InitOrigins(void) -{ - unsigned long screensLeft, prevScreensLeft, mask; - screenLayoutPtr screen; - ScreenPtr pScreen; - int x1, x2, y1, y2, left, right, top, bottom; - int i, j, ref, minX, minY, min, max; - xf86ScreenLayoutPtr pLayout; - Bool OldStyleConfig = FALSE; - - /* need to have this set up with a config file option */ - HardEdges = FALSE; - - bzero(xf86ScreenLayout, MAXSCREENS * sizeof(xf86ScreenLayoutRec)); - - screensLeft = prevScreensLeft = (1 << xf86NumScreens) - 1; - - while(1) { - for(mask = screensLeft, i = 0; mask; mask >>= 1, i++) { - if(!(mask & 1L)) continue; - - screen = &xf86ConfigLayout.screens[i]; - - switch(screen->where) { - case PosObsolete: - OldStyleConfig = TRUE; - pLayout = &xf86ScreenLayout[i]; - /* force edge lists */ - if(screen->left) { - ref = screen->left->screennum; - pLayout->left = AddEdge(pLayout->left, - 0, xf86Screens[i]->pScreen->height, - xf86Screens[ref]->pScreen->width, 0, ref); - } - if(screen->right) { - ref = screen->right->screennum; - pScreen = xf86Screens[i]->pScreen; - pLayout->right = AddEdge(pLayout->right, - 0, pScreen->height, -pScreen->width, 0, ref); - } - if(screen->top) { - ref = screen->top->screennum; - pLayout->up = AddEdge(pLayout->up, - 0, xf86Screens[i]->pScreen->width, - 0, xf86Screens[ref]->pScreen->height, ref); - } - if(screen->bottom) { - ref = screen->bottom->screennum; - pScreen = xf86Screens[i]->pScreen; - pLayout->down = AddEdge(pLayout->down, - 0, pScreen->width, 0, -pScreen->height, ref); - } - /* we could also try to place it based on those - relative locations if we wanted to */ - screen->x = screen->y = 0; - /* FALLTHROUGH */ - case PosAbsolute: - dixScreenOrigins[i].x = screen->x; - dixScreenOrigins[i].y = screen->y; - screensLeft &= ~(1 << i); - break; - case PosRelative: - ref = screen->refscreen->screennum; - if(screensLeft & (1 << ref)) break; - dixScreenOrigins[i].x = dixScreenOrigins[ref].x + screen->x; - dixScreenOrigins[i].y = dixScreenOrigins[ref].y + screen->y; - screensLeft &= ~(1 << i); - break; - case PosRightOf: - ref = screen->refscreen->screennum; - if(screensLeft & (1 << ref)) break; - pScreen = xf86Screens[ref]->pScreen; - dixScreenOrigins[i].x = - dixScreenOrigins[ref].x + pScreen->width; - dixScreenOrigins[i].y = dixScreenOrigins[ref].y; - screensLeft &= ~(1 << i); - break; - case PosLeftOf: - ref = screen->refscreen->screennum; - if(screensLeft & (1 << ref)) break; - pScreen = xf86Screens[i]->pScreen; - dixScreenOrigins[i].x = - dixScreenOrigins[ref].x - pScreen->width; - dixScreenOrigins[i].y = dixScreenOrigins[ref].y; - screensLeft &= ~(1 << i); - break; - case PosBelow: - ref = screen->refscreen->screennum; - if(screensLeft & (1 << ref)) break; - pScreen = xf86Screens[ref]->pScreen; - dixScreenOrigins[i].x = dixScreenOrigins[ref].x; - dixScreenOrigins[i].y = - dixScreenOrigins[ref].y + pScreen->height; - screensLeft &= ~(1 << i); - break; - case PosAbove: - ref = screen->refscreen->screennum; - if(screensLeft & (1 << ref)) break; - pScreen = xf86Screens[i]->pScreen; - dixScreenOrigins[i].x = dixScreenOrigins[ref].x; - dixScreenOrigins[i].y = - dixScreenOrigins[ref].y - pScreen->height; - screensLeft &= ~(1 << i); - break; - default: - ErrorF("Illegal placement keyword in Layout!\n"); - break; - } - - } - - if(!screensLeft) break; - - if(screensLeft == prevScreensLeft) { - /* All the remaining screens are referencing each other. - Assign a value to one of them and go through again */ - i = 0; - while(!((1 << i) & screensLeft)){ i++; } - - ref = xf86ConfigLayout.screens[i].refscreen->screennum; - dixScreenOrigins[ref].x = dixScreenOrigins[ref].y = 0; - screensLeft &= ~(1 << ref); - } - - prevScreensLeft = screensLeft; - } - - /* justify the topmost and leftmost to (0,0) */ - minX = dixScreenOrigins[0].x; - minY = dixScreenOrigins[0].y; - - for(i = 1; i < xf86NumScreens; i++) { - if(dixScreenOrigins[i].x < minX) - minX = dixScreenOrigins[i].x; - if(dixScreenOrigins[i].y < minY) - minY = dixScreenOrigins[i].y; - } - - if (minX || minY) { - for(i = 0; i < xf86NumScreens; i++) { - dixScreenOrigins[i].x -= minX; - dixScreenOrigins[i].y -= minY; - } - } - - - /* Create the edge lists */ - - if(!OldStyleConfig) { - for(i = 0; i < xf86NumScreens; i++) { - pLayout = &xf86ScreenLayout[i]; - - pScreen = xf86Screens[i]->pScreen; - - left = dixScreenOrigins[i].x; - right = left + pScreen->width; - top = dixScreenOrigins[i].y; - bottom = top + pScreen->height; - - for(j = 0; j < xf86NumScreens; j++) { - if(i == j) continue; - - x1 = dixScreenOrigins[j].x; - x2 = x1 + xf86Screens[j]->pScreen->width; - y1 = dixScreenOrigins[j].y; - y2 = y1 + xf86Screens[j]->pScreen->height; - - if((bottom > y1) && (top < y2)) { - min = y1 - top; - if(min < 0) min = 0; - max = pScreen->height - (bottom - y2); - if(max > pScreen->height) max = pScreen->height; - - if(((left - 1) >= x1) && ((left - 1) < x2)) - pLayout->left = AddEdge(pLayout->left, min, max, - dixScreenOrigins[i].x - dixScreenOrigins[j].x, - dixScreenOrigins[i].y - dixScreenOrigins[j].y, j); - - if((right >= x1) && (right < x2)) - pLayout->right = AddEdge(pLayout->right, min, max, - dixScreenOrigins[i].x - dixScreenOrigins[j].x, - dixScreenOrigins[i].y - dixScreenOrigins[j].y, j); - } - - - if((left < x2) && (right > x1)) { - min = x1 - left; - if(min < 0) min = 0; - max = pScreen->width - (right - x2); - if(max > pScreen->width) max = pScreen->width; - - if(((top - 1) >= y1) && ((top - 1) < y2)) - pLayout->up = AddEdge(pLayout->up, min, max, - dixScreenOrigins[i].x - dixScreenOrigins[j].x, - dixScreenOrigins[i].y - dixScreenOrigins[j].y, j); - - if((bottom >= y1) && (bottom < y2)) - pLayout->down = AddEdge(pLayout->down, min, max, - dixScreenOrigins[i].x - dixScreenOrigins[j].x, - dixScreenOrigins[i].y - dixScreenOrigins[j].y, j); - } - } - } - } - - if(!HardEdges && !OldStyleConfig) { - for(i = 0; i < xf86NumScreens; i++) { - pLayout = &xf86ScreenLayout[i]; - pScreen = xf86Screens[i]->pScreen; - if(pLayout->left) - FillOutEdge(pLayout->left, pScreen->height); - if(pLayout->right) - FillOutEdge(pLayout->right, pScreen->height); - if(pLayout->up) - FillOutEdge(pLayout->up, pScreen->width); - if(pLayout->down) - FillOutEdge(pLayout->down, pScreen->width); - } - } -} - -void -xf86ReconfigureLayout(void) -{ - int i; - - for (i = 0; i < MAXSCREENS; i++) { - xf86ScreenLayoutPtr sl = &xf86ScreenLayout[i]; - /* we don't have to zero these, xf86InitOrigins() takes care of that */ - if (sl->left) xfree(sl->left); - if (sl->right) xfree(sl->right); - if (sl->up) xfree(sl->up); - if (sl->down) xfree(sl->down); - } - - xf86InitOrigins(); -} - - |