winvalargs.c (6087B)
1 /* 2 *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved. 3 * 4 *Permission is hereby granted, free of charge, to any person obtaining 5 * a copy of this software and associated documentation files (the 6 *"Software"), to deal in the Software without restriction, including 7 *without limitation the rights to use, copy, modify, merge, publish, 8 *distribute, sublicense, and/or sell copies of the Software, and to 9 *permit persons to whom the Software is furnished to do so, subject to 10 *the following conditions: 11 * 12 *The above copyright notice and this permission notice shall be 13 *included in all copies or substantial portions of the Software. 14 * 15 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR 19 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 20 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 21 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22 * 23 *Except as contained in this notice, the name of Harold L Hunt II 24 *shall not be used in advertising or otherwise to promote the sale, use 25 *or other dealings in this Software without prior written authorization 26 *from Harold L Hunt II. 27 * 28 * Authors: Harold L Hunt II 29 */ 30 31 #ifdef HAVE_XWIN_CONFIG_H 32 #include <xwin-config.h> 33 #endif 34 #include "win.h" 35 #include "winmsg.h" 36 37 /* 38 * Verify all screens have been explicitly specified 39 */ 40 static BOOL 41 isEveryScreenExplicit(void) 42 { 43 int i; 44 45 for (i = 0; i < g_iNumScreens; i++) 46 if (!g_ScreenInfo[i].fExplicitScreen) 47 return FALSE; 48 49 return TRUE; 50 } 51 52 /* 53 * winValidateArgs - Look for invalid argument combinations 54 */ 55 56 Bool 57 winValidateArgs(void) 58 { 59 int i; 60 BOOL fHasNormalScreen0 = FALSE; 61 62 /* 63 * Check for a malformed set of -screen parameters. 64 * Examples of malformed parameters: 65 * XWin -screen 1 66 * XWin -screen 0 -screen 2 67 * XWin -screen 1 -screen 2 68 */ 69 if (!isEveryScreenExplicit()) { 70 ErrorF("winValidateArgs - Malformed set of screen parameter(s). " 71 "Screens must be specified consecutively starting with " 72 "screen 0. That is, you cannot have only a screen 1, nor " 73 "could you have screen 0 and screen 2. You instead must " 74 "have screen 0, or screen 0 and screen 1, respectively. " 75 "You can specify as many screens as you want.\n"); 76 return FALSE; 77 } 78 79 /* Loop through all screens */ 80 for (i = 0; i < g_iNumScreens; ++i) { 81 /* 82 * Check for any combination of 83 * -multiwindow and -rootless. 84 */ 85 { 86 int iCount = 0; 87 88 /* Count conflicting options */ 89 if (g_ScreenInfo[i].fMultiWindow) 90 ++iCount; 91 92 if (g_ScreenInfo[i].fRootless) 93 ++iCount; 94 95 /* Check if the first screen is without rootless and multiwindow */ 96 if (iCount == 0 && i == 0) 97 fHasNormalScreen0 = TRUE; 98 99 /* Fail if two or more conflicting options */ 100 if (iCount > 1) { 101 ErrorF("winValidateArgs - Only one of -multiwindow " 102 "and -rootless can be specific at a time.\n"); 103 return FALSE; 104 } 105 } 106 107 /* Check for -multiwindow and Xdmcp */ 108 /* allow xdmcp if screen 0 is normal. */ 109 if (g_fXdmcpEnabled && !fHasNormalScreen0 && (FALSE 110 || g_ScreenInfo[i]. 111 fMultiWindow 112 113 ) 114 ) { 115 ErrorF("winValidateArgs - Xdmcp (-query, -broadcast, or -indirect) " 116 "is invalid with -multiwindow.\n"); 117 return FALSE; 118 } 119 120 /* Check for -multiwindow or -rootless and -fullscreen */ 121 if (g_ScreenInfo[i].fFullScreen && (FALSE 122 || g_ScreenInfo[i].fMultiWindow 123 || g_ScreenInfo[i].fRootless) 124 ) { 125 ErrorF("winValidateArgs - -fullscreen is invalid with " 126 "-multiwindow or -rootless.\n"); 127 return FALSE; 128 } 129 130 /* Check for -multiwindow or -rootless and -nodecoration */ 131 if (!g_ScreenInfo[i].fDecoration && (FALSE 132 || g_ScreenInfo[i].fMultiWindow 133 || g_ScreenInfo[i].fRootless) 134 ) { 135 ErrorF("winValidateArgs - -nodecoration is invalid with " 136 "-multiwindow or -rootless.\n"); 137 return FALSE; 138 } 139 140 /* Check for !fullscreen and any fullscreen-only parameters */ 141 if (!g_ScreenInfo[i].fFullScreen 142 && (g_ScreenInfo[i].dwRefreshRate != WIN_DEFAULT_REFRESH 143 || g_ScreenInfo[i].dwBPP != WIN_DEFAULT_BPP)) { 144 ErrorF("winValidateArgs - -refresh and -depth are only valid " 145 "with -fullscreen.\n"); 146 return FALSE; 147 } 148 149 /* Check for fullscreen and any non-fullscreen parameters */ 150 if (g_ScreenInfo[i].fFullScreen 151 && ((g_ScreenInfo[i].iResizeMode != resizeNotAllowed) 152 || !g_ScreenInfo[i].fDecoration 153 || g_ScreenInfo[i].fLessPointer)) { 154 ErrorF("winValidateArgs - -fullscreen is invalid with " 155 "-scrollbars, -resize, -nodecoration, or -lesspointer.\n"); 156 return FALSE; 157 } 158 159 /* Ignore -swcursor if -multiwindow -compositewm is requested */ 160 if (g_ScreenInfo[i].fMultiWindow && g_ScreenInfo[i].fCompositeWM) { 161 if (g_fSoftwareCursor) { 162 g_fSoftwareCursor = FALSE; 163 winMsg(X_WARNING, "Ignoring -swcursor due to -compositewm\n"); 164 } 165 } 166 } 167 168 winDebug("winValidateArgs - Returning.\n"); 169 170 return TRUE; 171 }