diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Cursor.c')
| -rw-r--r-- | xorg-server/hw/xfree86/common/xf86Cursor.c | 820 |
1 files changed, 820 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Cursor.c b/xorg-server/hw/xfree86/common/xf86Cursor.c new file mode 100644 index 000000000..3ea1b4d91 --- /dev/null +++ b/xorg-server/hw/xfree86/common/xf86Cursor.c @@ -0,0 +1,820 @@ +/* + * 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). + */ + +#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, + /* let miPointerInitialize take care of these */ + NULL, + NULL +}; + +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 = miPointerGetScreen(inputInfo.pointer); + if (pScreen == pCursorScreen) + miPointerGetPosition(inputInfo.pointer, &px, &py); + + xf86EnterServerState(SETUP); + Switched = (*pScr->SwitchMode)(pScr->scrnIndex, mode, 0); + 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; + } + } + xf86EnterServerState(OPERATING); + + 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 + * + * Currently nothing special happens, but mi assumes the CrossScreen + * method exists. + */ + +static void +xf86CrossScreen (ScreenPtr pScreen, Bool entering) +{ +} + + +/* + * 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); +} + + +_X_EXPORT 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]; + + if (screen->refscreen != NULL && + screen->refscreen->screennum >= xf86NumScreens) { + screensLeft &= ~(1 << i); + xf86Msg(X_WARNING, "Not including screen \"%s\" in origins calculation.\n", + screen->screen->id); + continue; + } + + switch(screen->where) { + case PosObsolete: + OldStyleConfig = TRUE; + pLayout = &xf86ScreenLayout[i]; + /* force edge lists */ + if(screen->left) { + ref = screen->left->screennum; + if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + pLayout->left = AddEdge(pLayout->left, + 0, xf86Screens[i]->pScreen->height, + xf86Screens[ref]->pScreen->width, 0, ref); + } + if(screen->right) { + ref = screen->right->screennum; + if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + pScreen = xf86Screens[i]->pScreen; + pLayout->right = AddEdge(pLayout->right, + 0, pScreen->height, -pScreen->width, 0, ref); + } + if(screen->top) { + ref = screen->top->screennum; + if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + pLayout->up = AddEdge(pLayout->up, + 0, xf86Screens[i]->pScreen->width, + 0, xf86Screens[ref]->pScreen->height, ref); + } + if(screen->bottom) { + ref = screen->bottom->screennum; + if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + 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 (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + 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 (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + 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 (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + 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 (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + 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 (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) { + ErrorF("Referenced uninitialized screen in Layout!\n"); + break; + } + 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(); +} + + |