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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;
}
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