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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/hw/xwin/winvalargs.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xwin/winvalargs.c')
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diff --git a/nx-X11/programs/Xserver/hw/xwin/winvalargs.c b/nx-X11/programs/Xserver/hw/xwin/winvalargs.c
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+/*
+ *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;
+}