diff options
Diffstat (limited to 'xorg-server/hw/xwin/winvalargs.c')
| -rw-r--r-- | xorg-server/hw/xwin/winvalargs.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/xorg-server/hw/xwin/winvalargs.c b/xorg-server/hw/xwin/winvalargs.c new file mode 100644 index 000000000..038e097a5 --- /dev/null +++ b/xorg-server/hw/xwin/winvalargs.c @@ -0,0 +1,188 @@ +/* + *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved. + * + *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 HAROLD L HUNT II 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 Harold L Hunt II + *shall not be used in advertising or otherwise to promote the sale, use + *or other dealings in this Software without prior written authorization + *from Harold L Hunt II. + * + * Authors: Harold L Hunt II + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif +#include "win.h" +#include "winmsg.h" + + +/* + * References to external symbols + */ + +extern int g_iNumScreens; +extern winScreenInfo g_ScreenInfo[]; +extern Bool g_fXdmcpEnabled; + + +/* + * Prototypes + */ + +Bool +winValidateArgs (void); + + +/* + * winValidateArgs - Look for invalid argument combinations + */ + +Bool +winValidateArgs (void) +{ + int i; + int iMaxConsecutiveScreen = 0; + BOOL fHasNormalScreen0 = FALSE; + + /* + * Check for a malformed set of -screen parameters. + * Examples of malformed parameters: + * XWin -screen 1 + * XWin -screen 0 -screen 2 + * XWin -screen 1 -screen 2 + */ + for (i = 0; i < MAXSCREENS; i++) + { + if (g_ScreenInfo[i].fExplicitScreen) + iMaxConsecutiveScreen = i + 1; + } + winErrorFVerb (2, "winValidateArgs - g_iNumScreens: %d " + "iMaxConsecutiveScreen: %d\n", + g_iNumScreens, iMaxConsecutiveScreen); + if (g_iNumScreens < iMaxConsecutiveScreen) + { + ErrorF ("winValidateArgs - Malformed set of screen parameter(s). " + "Screens must be specified consecutively starting with " + "screen 0. That is, you cannot have only a screen 1, nor " + "could you have screen 0 and screen 2. You instead must " + "have screen 0, or screen 0 and screen 1, respectively. Of " + "you can specify as many screens as you want from 0 up to " + "%d.\n", MAXSCREENS - 1); + return FALSE; + } + + /* Loop through all screens */ + for (i = 0; i < g_iNumScreens; ++i) + { + /* + * Check for any combination of + * -multiwindow, -mwextwm, and -rootless. + */ + { + int iCount = 0; + + /* Count conflicting options */ +#ifdef XWIN_MULTIWINDOW + if (g_ScreenInfo[i].fMultiWindow) + ++iCount; +#endif +#ifdef XWIN_MULTIWINDOWEXTWM + if (g_ScreenInfo[i].fMWExtWM) + ++iCount; +#endif + if (g_ScreenInfo[i].fRootless) + ++iCount; + + /* Check if the first screen is without rootless and multiwindow */ + if (iCount == 0 && i == 0) + fHasNormalScreen0 = TRUE; + + /* Fail if two or more conflicting options */ + if (iCount > 1) + { + ErrorF ("winValidateArgs - Only one of -multiwindow, -mwextwm, " + "and -rootless can be specific at a time.\n"); + return FALSE; + } + } + + /* Check for -multiwindow or -mwextwm and Xdmcp */ + /* allow xdmcp if screen 0 is normal. */ + if (g_fXdmcpEnabled && !fHasNormalScreen0 + && (FALSE +#ifdef XWIN_MULTIWINDOW + || g_ScreenInfo[i].fMultiWindow +#endif +#ifdef XWIN_MULTIWINDOWEXTWM + || g_ScreenInfo[i].fMWExtWM +#endif + ) + ) + { + ErrorF ("winValidateArgs - Xdmcp (-query, -broadcast, or -indirect) " + "is invalid with -multiwindow or -mwextwm.\n"); + return FALSE; + } + + /* Check for -multiwindow, -mwextwm, or -rootless and fullscreen */ + if (g_ScreenInfo[i].fFullScreen + && (FALSE +#ifdef XWIN_MULTIWINDOW + || g_ScreenInfo[i].fMultiWindow +#endif +#ifdef XWIN_MULTIWINDOWEXTWM + || g_ScreenInfo[i].fMWExtWM +#endif + || g_ScreenInfo[i].fRootless) + ) + { + ErrorF ("winValidateArgs - -fullscreen is invalid with " + "-multiwindow, -mwextwm, or -rootless.\n"); + return FALSE; + } + + /* Check for !fullscreen and any fullscreen-only parameters */ + if (!g_ScreenInfo[i].fFullScreen + && (g_ScreenInfo[i].dwRefreshRate != WIN_DEFAULT_BPP + || g_ScreenInfo[i].dwBPP != WIN_DEFAULT_REFRESH)) + { + ErrorF ("winValidateArgs - -refresh and -depth are only valid " + "with -fullscreen.\n"); + return FALSE; + } + + /* Check for fullscreen and any non-fullscreen parameters */ + if (g_ScreenInfo[i].fFullScreen + && (g_ScreenInfo[i].fScrollbars + || !g_ScreenInfo[i].fDecoration + || g_ScreenInfo[i].fLessPointer)) + { + ErrorF ("winValidateArgs - -fullscreen is invalid with " + "-scrollbars, -nodecoration, or -lesspointer.\n"); + return FALSE; + } + } + + winDebug ("winValidateArgs - Returning.\n"); + + return TRUE; +} |