/*****************************************************************************/ /** Copyright 1988 by Evans & Sutherland Computer Corporation, **/ /** Salt Lake City, Utah **/ /** Portions Copyright 1989 by the Massachusetts Institute of Technology **/ /** Cambridge, Massachusetts **/ /** **/ /** All Rights Reserved **/ /** **/ /** Permission to use, copy, modify, and distribute this software and **/ /** its documentation for any purpose and without fee is hereby **/ /** granted, provided that the above copyright notice appear in all **/ /** copies and that both that copyright notice and this permis- **/ /** sion notice appear in supporting documentation, and that the **/ /** names of Evans & Sutherland and M.I.T. not be used in advertising **/ /** in publicity pertaining to distribution of the software without **/ /** specific, written prior permission. **/ /** **/ /** EVANS & SUTHERLAND AND M.I.T. DISCLAIM ALL WARRANTIES WITH REGARD **/ /** TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT- **/ /** ABILITY AND FITNESS, IN NO EVENT SHALL EVANS & SUTHERLAND OR **/ /** M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAM- **/ /** AGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA **/ /** OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER **/ /** TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE **/ /** OR PERFORMANCE OF THIS SOFTWARE. **/ /*****************************************************************************/ /* * [ ctwm ] * * Copyright 1992 Claude Lecommandeur. * * Permission to use, copy, modify and distribute this software [ctwm] and * its documentation for any purpose is hereby granted without fee, provided * that the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting documen- * tation, and that the name of Claude Lecommandeur not be used in adverti- * sing or publicity pertaining to distribution of the software without * specific, written prior permission. Claude Lecommandeur make no represen- * tations about the suitability of this software for any purpose. It is * provided "as is" without express or implied warranty. * * Claude Lecommandeur DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO * EVENT SHALL Claude Lecommandeur BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. * * Author: Claude Lecommandeur [ lecom@sic.epfl.ch ][ April 1992 ] */ /*********************************************************************** * * $XConsortium: twm.c,v 1.124 91/05/08 11:01:54 dave Exp $ * * twm - "Tom's Window Manager" * * 27-Oct-87 Thomas E. LaStrange File created * 10-Oct-90 David M. Sternlicht Storing saved colors on root * * Do the necessary modification to be integrated in ctwm. * Can no longer be used for the standard twm. * * 22-April-92 Claude Lecommandeur. * ***********************************************************************/ #include "ctwm.h" #include #include #include #include #include #ifdef __WAIT_FOR_CHILDS # include #endif #include #include #include #include #include #include "ctwm_atoms.h" #include "clargs.h" #include "add_window.h" #include "gc.h" #include "parse.h" #include "version.h" #include "menus.h" #include "decorations_init.h" #include "events.h" #include "util.h" #include "mask_screen.h" #include "animate.h" #include "screen.h" #include "icons.h" #include "iconmgr.h" #include "session.h" #include "otp.h" #include "cursor.h" #include "windowbox.h" #ifdef SOUNDS # include "sound.h" #endif #include "gram.tab.h" XtAppContext appContext; /* Xt application context */ Display *dpy; /* which display are we talking to */ Window ResizeWindow; /* the window we are resizing */ int NumScreens; /* number of screens in ScreenList */ int HasShape; /* server supports shape extension? */ int ShapeEventBase, ShapeErrorBase; ScreenInfo **ScreenList; /* structures for each screen */ ScreenInfo *Scr = NULL; /* the cur and prev screens */ int PreviousScreen; /* last screen that we were on */ int FirstScreen; /* TRUE ==> first screen of display */ static int RedirectError; /* TRUE ==> another window manager running */ /* for settting RedirectError */ static int CatchRedirectError(Display *display, XErrorEvent *event); /* for everything else */ static int TwmErrorHandler(Display *display, XErrorEvent *event); static Window CreateRootWindow(int x, int y, unsigned int width, unsigned int height); static void InternUsefulAtoms(void); static void InitVariables(void); Cursor UpperLeftCursor; Cursor TopRightCursor, TopLeftCursor, BottomRightCursor, BottomLeftCursor, LeftCursor, RightCursor, TopCursor, BottomCursor; Cursor RightButt; Cursor MiddleButt; Cursor LeftButt; XContext TwmContext; /* context for twm windows */ XContext MenuContext; /* context for all menu windows */ XContext ScreenContext; /* context to get screen data */ XContext ColormapContext; /* context for colormap operations */ XClassHint NoClass; /* for applications with no class */ XGCValues Gcv; char *Home; /* the HOME environment variable */ int HomeLen; /* length of Home */ int HandlingEvents = FALSE; /* are we handling events yet? */ Window JunkRoot; /* junk window */ Window JunkChild; /* junk window */ int JunkX; /* junk variable */ int JunkY; /* junk variable */ unsigned int JunkWidth, JunkHeight, JunkBW, JunkDepth, JunkMask; char *ProgramName; int Argc; char **Argv; bool RestartPreviousState = false; /* try to restart in previous state */ bool RestartFlag = false; SIGNAL_T Restart(int signum); SIGNAL_T Crash(int signum); #ifdef __WAIT_FOR_CHILDS SIGNAL_T ChildExit(int signum); #endif /*********************************************************************** * * Procedure: * main - start of twm * *********************************************************************** */ int main(int argc, char **argv) { Window croot, parent, *children; unsigned int nchildren; int i, j; unsigned long valuemask; /* mask for create windows */ XSetWindowAttributes attributes; /* attributes for create windows */ int numManaged, firstscrn, lastscrn, scrnum; int zero = 0; char *welcomefile; int screenmasked; static int crootx = 100; static int crooty = 100; static unsigned int crootw = 1280; static unsigned int crooth = 768; /* static unsigned int crootw = 2880; */ /* static unsigned int crooth = 1200; */ IconRegion *ir; XRectangle ink_rect; XRectangle logical_rect; (void)setlocale(LC_ALL, ""); ProgramName = argv[0]; Argc = argc; Argv = argv; /* * Run consistency check. This is mostly to keep devs from * accidental screwups; if a user ever sees anything from this, * something went very very wrong. */ chk_keytable_order(); /* * Parse-out command line args, and check the results. */ clargs_parse(argc, argv); clargs_check(); /* If we get this far, it was all good */ #define newhandler(sig, action) \ if (signal (sig, SIG_IGN) != SIG_IGN) (void) signal (sig, action) newhandler(SIGINT, Done); signal(SIGHUP, Restart); newhandler(SIGQUIT, Done); newhandler(SIGTERM, Done); #ifdef __WAIT_FOR_CHILDS newhandler(SIGCHLD, ChildExit); #endif signal(SIGALRM, SIG_IGN); #ifdef NOTRAP signal(SIGSEGV, Crash); signal(SIGBUS, Crash); #endif #undef newhandler Home = getenv("HOME"); if(Home == NULL) { Home = "./"; } HomeLen = strlen(Home); NoClass.res_name = NoName; NoClass.res_class = NoName; XtToolkitInitialize(); appContext = XtCreateApplicationContext(); if(!(dpy = XtOpenDisplay(appContext, CLarg.display_name, "twm", "twm", NULL, 0, &zero, NULL))) { fprintf(stderr, "%s: unable to open display \"%s\"\n", ProgramName, XDisplayName(CLarg.display_name)); exit(1); } if(fcntl(ConnectionNumber(dpy), F_SETFD, 1) == -1) { fprintf(stderr, "%s: unable to mark display connection as close-on-exec\n", ProgramName); exit(1); } if(CLarg.restore_filename) { ReadWinConfigFile(CLarg.restore_filename); } HasShape = XShapeQueryExtension(dpy, &ShapeEventBase, &ShapeErrorBase); TwmContext = XUniqueContext(); MenuContext = XUniqueContext(); ScreenContext = XUniqueContext(); ColormapContext = XUniqueContext(); InternUsefulAtoms(); /* Set up the per-screen global information. */ NumScreens = ScreenCount(dpy); if(CLarg.MultiScreen) { firstscrn = 0; lastscrn = NumScreens - 1; } else { firstscrn = lastscrn = DefaultScreen(dpy); } /* for simplicity, always allocate NumScreens ScreenInfo struct pointers */ ScreenList = calloc(NumScreens, sizeof(ScreenInfo *)); if(ScreenList == NULL) { fprintf(stderr, "%s: Unable to allocate memory for screen list, exiting.\n", ProgramName); exit(1); } numManaged = 0; PreviousScreen = DefaultScreen(dpy); FirstScreen = TRUE; #ifdef EWMH EwmhInit(); #endif /* EWMH */ #ifdef SOUNDS sound_init(); #endif for(scrnum = firstscrn ; scrnum <= lastscrn; scrnum++) { unsigned long attrmask; if(CLarg.is_captive) { XWindowAttributes wa; if(CLarg.capwin && XGetWindowAttributes(dpy, CLarg.capwin, &wa)) { Window junk; croot = CLarg.capwin; crootw = wa.width; crooth = wa.height; XTranslateCoordinates(dpy, CLarg.capwin, wa.root, 0, 0, &crootx, &crooty, &junk); } else { croot = CreateRootWindow(crootx, crooty, crootw, crooth); } } else { croot = RootWindow(dpy, scrnum); crootx = 0; crooty = 0; crootw = DisplayWidth(dpy, scrnum); crooth = DisplayHeight(dpy, scrnum); } /* Make sure property priority colors is empty */ XChangeProperty(dpy, croot, XA__MIT_PRIORITY_COLORS, XA_CARDINAL, 32, PropModeReplace, NULL, 0); XSync(dpy, 0); /* Flush possible previous errors */ /* Note: ScreenInfo struct is calloc'ed to initialize to zero. */ Scr = ScreenList[scrnum] = calloc(1, sizeof(ScreenInfo)); if(Scr == NULL) { fprintf(stderr, "%s: unable to allocate memory for ScreenInfo structure" " for screen %d.\n", ProgramName, scrnum); continue; } Scr->screen = scrnum; Scr->XineramaRoot = croot; #ifdef EWMH EwmhInitScreenEarly(Scr); #endif /* EWMH */ RedirectError = FALSE; XSetErrorHandler(CatchRedirectError); attrmask = ColormapChangeMask | EnterWindowMask | PropertyChangeMask | SubstructureRedirectMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask; #ifdef EWMH attrmask |= StructureNotifyMask; #endif /* EWMH */ if(CLarg.is_captive) { attrmask |= StructureNotifyMask; } XSelectInput(dpy, croot, attrmask); XSync(dpy, 0); XSetErrorHandler(TwmErrorHandler); if(RedirectError && CLarg.cfgchk == 0) { fprintf(stderr, "%s: another window manager is already running", ProgramName); if(CLarg.MultiScreen && NumScreens > 0) { fprintf(stderr, " on screen %d?\n", scrnum); } else { fprintf(stderr, "?\n"); } continue; } numManaged ++; /* initialize list pointers, remember to put an initialization * in InitVariables also */ Scr->BorderColorL = NULL; Scr->IconBorderColorL = NULL; Scr->BorderTileForegroundL = NULL; Scr->BorderTileBackgroundL = NULL; Scr->TitleForegroundL = NULL; Scr->TitleBackgroundL = NULL; Scr->IconForegroundL = NULL; Scr->IconBackgroundL = NULL; Scr->AutoPopupL = NULL; Scr->AutoPopup = FALSE; Scr->NoBorder = NULL; Scr->NoIconTitle = NULL; Scr->NoTitle = NULL; Scr->OccupyAll = NULL; Scr->UnmapByMovingFarAway = NULL; Scr->DontSetInactive = NULL; Scr->AutoSqueeze = NULL; Scr->StartSqueezed = NULL; Scr->AlwaysSqueezeToGravityL = NULL; Scr->MakeTitle = NULL; Scr->AutoRaise = NULL; Scr->WarpOnDeIconify = NULL; Scr->AutoLower = NULL; Scr->IconNames = NULL; Scr->NoHighlight = NULL; Scr->NoStackModeL = NULL; Scr->OTP = NULL; Scr->NoTitleHighlight = NULL; Scr->DontIconify = NULL; Scr->IconMgrNoShow = NULL; Scr->IconMgrShow = NULL; Scr->IconifyByUn = NULL; Scr->IconManagerFL = NULL; Scr->IconManagerBL = NULL; Scr->IconMgrs = NULL; Scr->StartIconified = NULL; Scr->SqueezeTitleL = NULL; Scr->DontSqueezeTitleL = NULL; Scr->WindowRingL = NULL; Scr->WindowRingExcludeL = NULL; Scr->WarpCursorL = NULL; Scr->DontSave = NULL; Scr->OpaqueMoveList = NULL; Scr->NoOpaqueMoveList = NULL; Scr->OpaqueResizeList = NULL; Scr->NoOpaqueResizeList = NULL; Scr->ImageCache = NULL; Scr->HighlightPixmapName = NULL; Scr->Workspaces = NULL; Scr->IconMenuDontShow = NULL; Scr->VirtualScreens = NULL; Scr->IgnoreTransientL = NULL; /* remember to put an initialization in InitVariables also */ Scr->screen = scrnum; Scr->d_depth = DefaultDepth(dpy, scrnum); Scr->d_visual = DefaultVisual(dpy, scrnum); Scr->RealRoot = RootWindow(dpy, scrnum); Scr->CaptiveRoot = CLarg.is_captive ? croot : None; Scr->Root = croot; Scr->XineramaRoot = croot; Scr->ShowWelcomeWindow = CLarg.ShowWelcomeWindow; XSaveContext(dpy, Scr->Root, ScreenContext, (XPointer) Scr); if(CLarg.is_captive) { Scr->captivename = AddToCaptiveList(CLarg.captivename); if(Scr->captivename) { XSetStandardProperties(dpy, croot, Scr->captivename, Scr->captivename, None, NULL, 0, NULL); } } Scr->RootColormaps.number_cwins = 1; Scr->RootColormaps.cwins = malloc(sizeof(ColormapWindow *)); Scr->RootColormaps.cwins[0] = CreateColormapWindow(Scr->Root, true, false); Scr->RootColormaps.cwins[0]->visibility = VisibilityPartiallyObscured; Scr->cmapInfo.cmaps = NULL; Scr->cmapInfo.maxCmaps = MaxCmapsOfScreen(ScreenOfDisplay(dpy, Scr->screen)); Scr->cmapInfo.root_pushes = 0; InstallColormaps(0, &Scr->RootColormaps); Scr->StdCmapInfo.head = Scr->StdCmapInfo.tail = Scr->StdCmapInfo.mru = NULL; Scr->StdCmapInfo.mruindex = 0; LocateStandardColormaps(); Scr->TBInfo.nleft = Scr->TBInfo.nright = 0; Scr->TBInfo.head = NULL; Scr->TBInfo.border = -100; /* trick to have different default value if ThreeDTitles */ Scr->TBInfo.width = 0; /* is set or not */ Scr->TBInfo.leftx = 0; Scr->TBInfo.titlex = 0; Scr->rootx = crootx; Scr->rooty = crooty; Scr->rootw = crootw; Scr->rooth = crooth; Scr->crootx = crootx; Scr->crooty = crooty; Scr->crootw = crootw; Scr->crooth = crooth; Scr->MaxWindowWidth = 32767 - Scr->rootw; Scr->MaxWindowHeight = 32767 - Scr->rooth; Scr->XORvalue = (((unsigned long) 1) << Scr->d_depth) - 1; if(CLarg.Monochrome || DisplayCells(dpy, scrnum) < 3) { Scr->Monochrome = MONOCHROME; } else { Scr->Monochrome = COLOR; } /* setup default colors */ Scr->FirstTime = TRUE; GetColor(Scr->Monochrome, &(Scr->Black), "black"); GetColor(Scr->Monochrome, &(Scr->White), "white"); if(FirstScreen) { SetFocus((TwmWindow *)NULL, CurrentTime); /* define cursors */ NewFontCursor(&TopLeftCursor, "top_left_corner"); NewFontCursor(&TopRightCursor, "top_right_corner"); NewFontCursor(&BottomLeftCursor, "bottom_left_corner"); NewFontCursor(&BottomRightCursor, "bottom_right_corner"); NewFontCursor(&LeftCursor, "left_side"); NewFontCursor(&RightCursor, "right_side"); NewFontCursor(&TopCursor, "top_side"); NewFontCursor(&BottomCursor, "bottom_side"); NewFontCursor(&UpperLeftCursor, "top_left_corner"); NewFontCursor(&RightButt, "rightbutton"); NewFontCursor(&LeftButt, "leftbutton"); NewFontCursor(&MiddleButt, "middlebutton"); } Scr->iconmgr = NULL; AllocateIconManager("TWM", "Icons", "", 1); Scr->IconDirectory = NULL; Scr->PixmapDirectory = PIXMAP_DIRECTORY; Scr->siconifyPm = None; Scr->pullPm = None; Scr->tbpm.xlogo = None; Scr->tbpm.resize = None; Scr->tbpm.question = None; Scr->tbpm.menu = None; Scr->tbpm.delete = None; Scr->WindowMask = (Window) 0; screenmasked = 0; /* XXX Happens before config parse, so ignores DontShowWW param */ if(Scr->ShowWelcomeWindow && (welcomefile = getenv("CTWM_WELCOME_FILE"))) { screenmasked = 1; MaskScreen(welcomefile); } InitVariables(); InitMenus(); InitWorkSpaceManager(); /* Parse it once for each screen. */ if(CLarg.cfgchk) { if(ParseTwmrc(CLarg.InitFile) == 0) { /* Error return */ fprintf(stderr, "Errors found\n"); exit(1); } else { fprintf(stderr, "No errors found\n"); exit(0); } } else { ParseTwmrc(CLarg.InitFile); } InitVirtualScreens(Scr); #ifdef EWMH EwmhInitVirtualRoots(Scr); #endif /* EWMH */ ConfigureWorkSpaceManager(); if(Scr->ShowWelcomeWindow && ! screenmasked) { MaskScreen(NULL); } if(Scr->ClickToFocus) { Scr->FocusRoot = FALSE; Scr->TitleFocus = FALSE; } if(Scr->use3Dborders) { Scr->ClientBorderWidth = FALSE; } if(Scr->use3Dtitles) { if(Scr->FramePadding == -100) { Scr->FramePadding = 0; } if(Scr->TitlePadding == -100) { Scr->TitlePadding = 0; } if(Scr->ButtonIndent == -100) { Scr->ButtonIndent = 0; } if(Scr->TBInfo.border == -100) { Scr->TBInfo.border = 0; } } else { if(Scr->FramePadding == -100) { Scr->FramePadding = 2; /* values that look */ } if(Scr->TitlePadding == -100) { Scr->TitlePadding = 8; /* "nice" on */ } if(Scr->ButtonIndent == -100) { Scr->ButtonIndent = 1; /* 75 and 100dpi displays */ } if(Scr->TBInfo.border == -100) { Scr->TBInfo.border = 1; } Scr->TitleShadowDepth = 0; Scr->TitleButtonShadowDepth = 0; } if(! Scr->use3Dborders) { Scr->BorderShadowDepth = 0; } if(! Scr->use3Dmenus) { Scr->MenuShadowDepth = 0; } if(! Scr->use3Diconmanagers) { Scr->IconManagerShadowDepth = 0; } if(Scr->use3Dtitles && !Scr->BeNiceToColormap) { GetShadeColors(&Scr->TitleC); } if(Scr->use3Dmenus && !Scr->BeNiceToColormap) { GetShadeColors(&Scr->MenuC); } if(Scr->use3Dmenus && !Scr->BeNiceToColormap) { GetShadeColors(&Scr->MenuTitleC); } if(Scr->use3Dborders && !Scr->BeNiceToColormap) { GetShadeColors(&Scr->BorderColorC); } if(! Scr->use3Dborders) { Scr->ThreeDBorderWidth = 0; } for(ir = Scr->FirstRegion; ir; ir = ir->next) { if(ir->TitleJustification == J_UNDEF) { ir->TitleJustification = Scr->IconJustification; } if(ir->Justification == J_UNDEF) { ir->Justification = Scr->IconRegionJustification; } if(ir->Alignement == J_UNDEF) { ir->Alignement = Scr->IconRegionAlignement; } } assign_var_savecolor(); /* storeing pixels for twmrc "entities" */ if(Scr->SqueezeTitle == -1) { Scr->SqueezeTitle = FALSE; } if(!Scr->HaveFonts) { CreateFonts(); } CreateGCs(); MakeMenus(); Scr->TitleBarFont.y += Scr->FramePadding; Scr->TitleHeight = Scr->TitleBarFont.height + Scr->FramePadding * 2; if(Scr->use3Dtitles) { Scr->TitleHeight += 2 * Scr->TitleShadowDepth; } /* make title height be odd so buttons look nice and centered */ if(!(Scr->TitleHeight & 1)) { Scr->TitleHeight++; } InitTitlebarButtons(); /* menus are now loaded! */ XGrabServer(dpy); XSync(dpy, 0); JunkX = 0; JunkY = 0; CreateWindowRegions(); AllocateOtherIconManagers(); CreateIconManagers(); CreateWorkSpaceManager(); MakeWorkspacesMenu(); createWindowBoxes(); #ifdef EWMH EwmhInitScreenLate(Scr); #endif /* EWMH */ XQueryTree(dpy, Scr->Root, &croot, &parent, &children, &nchildren); /* * weed out icon windows */ for(i = 0; i < nchildren; i++) { if(children[i]) { XWMHints *wmhintsp = XGetWMHints(dpy, children[i]); if(wmhintsp) { if(wmhintsp->flags & IconWindowHint) { for(j = 0; j < nchildren; j++) { if(children[j] == wmhintsp->icon_window) { children[j] = None; break; } } } XFree((char *) wmhintsp); } } } /* * map all of the non-override windows */ for(i = 0; i < nchildren; i++) { if(children[i] && MappedNotOverride(children[i])) { XUnmapWindow(dpy, children[i]); SimulateMapRequest(children[i]); } } if(Scr->ShowWorkspaceManager && Scr->workSpaceManagerActive) { VirtualScreen *vs; if(Scr->WindowMask) { XRaiseWindow(dpy, Scr->WindowMask); } for(vs = Scr->vScreenList; vs != NULL; vs = vs->next) { SetMapStateProp(vs->wsw->twm_win, NormalState); XMapWindow(dpy, vs->wsw->twm_win->frame); if(vs->wsw->twm_win->StartSqueezed) { Squeeze(vs->wsw->twm_win); } else { XMapWindow(dpy, vs->wsw->w); } vs->wsw->twm_win->mapped = true; } } if(!Scr->BeNiceToColormap) { GetShadeColors(&Scr->DefaultC); } attributes.border_pixel = Scr->DefaultC.fore; attributes.background_pixel = Scr->DefaultC.back; attributes.event_mask = (ExposureMask | ButtonPressMask | KeyPressMask | ButtonReleaseMask); attributes.backing_store = NotUseful; NewFontCursor(&attributes.cursor, "hand2"); valuemask = (CWBorderPixel | CWBackPixel | CWEventMask | CWBackingStore | CWCursor); Scr->InfoWindow.win = XCreateWindow(dpy, Scr->Root, 0, 0, (unsigned int) 5, (unsigned int) 5, (unsigned int) 0, 0, (unsigned int) CopyFromParent, (Visual *) CopyFromParent, valuemask, &attributes); XmbTextExtents(Scr->SizeFont.font_set, " 8888 x 8888 ", 13, &ink_rect, &logical_rect); Scr->SizeStringWidth = logical_rect.width; valuemask = (CWBorderPixel | CWBackPixel | CWBitGravity); attributes.bit_gravity = NorthWestGravity; { int sx, sy; if(Scr->CenterFeedbackWindow) { sx = (Scr->rootw / 2) - (Scr->SizeStringWidth / 2); sy = (Scr->rooth / 2) - ((Scr->SizeFont.height + SIZE_VINDENT * 2) / 2); attributes.save_under = True; valuemask |= CWSaveUnder; } else { sx = 0; sy = 0; } Scr->SizeWindow = XCreateWindow(dpy, Scr->Root, sx, sy, (unsigned int) Scr->SizeStringWidth, (unsigned int)(Scr->SizeFont.height + SIZE_VINDENT * 2), (unsigned int) 0, 0, (unsigned int) CopyFromParent, (Visual *) CopyFromParent, valuemask, &attributes); } Scr->ShapeWindow = XCreateSimpleWindow(dpy, Scr->Root, 0, 0, Scr->rootw, Scr->rooth, 0, 0, 0); XUngrabServer(dpy); if(Scr->ShowWelcomeWindow) { UnmaskScreen(); } FirstScreen = FALSE; Scr->FirstTime = FALSE; } /* for */ if(numManaged == 0) { if(CLarg.MultiScreen && NumScreens > 0) fprintf(stderr, "%s: unable to find any unmanaged screens\n", ProgramName); exit(1); } (void) ConnectToSessionManager(CLarg.client_id); #ifdef SOUNDS sound_load_list(); play_startup_sound(); #endif RestartPreviousState = true; HandlingEvents = TRUE; InitEvents(); StartAnimation(); HandleEvents(); fprintf(stderr, "Shouldn't return from HandleEvents()!\n"); exit(1); } /*********************************************************************** * * Procedure: * InitVariables - initialize twm variables * *********************************************************************** */ static void InitVariables(void) { FreeList(&Scr->BorderColorL); FreeList(&Scr->IconBorderColorL); FreeList(&Scr->BorderTileForegroundL); FreeList(&Scr->BorderTileBackgroundL); FreeList(&Scr->TitleForegroundL); FreeList(&Scr->TitleBackgroundL); FreeList(&Scr->IconForegroundL); FreeList(&Scr->IconBackgroundL); FreeList(&Scr->IconManagerFL); FreeList(&Scr->IconManagerBL); FreeList(&Scr->IconMgrs); FreeList(&Scr->AutoPopupL); FreeList(&Scr->NoBorder); FreeList(&Scr->NoIconTitle); FreeList(&Scr->NoTitle); FreeList(&Scr->OccupyAll); FreeList(&Scr->MakeTitle); FreeList(&Scr->AutoRaise); FreeList(&Scr->WarpOnDeIconify); FreeList(&Scr->AutoLower); FreeList(&Scr->IconNames); FreeList(&Scr->NoHighlight); FreeList(&Scr->NoStackModeL); OtpScrInitData(Scr); FreeList(&Scr->NoTitleHighlight); FreeList(&Scr->DontIconify); FreeList(&Scr->IconMgrNoShow); FreeList(&Scr->IconMgrShow); FreeList(&Scr->IconifyByUn); FreeList(&Scr->StartIconified); FreeList(&Scr->IconManagerHighlightL); FreeList(&Scr->SqueezeTitleL); FreeList(&Scr->DontSqueezeTitleL); FreeList(&Scr->WindowRingL); FreeList(&Scr->WindowRingExcludeL); FreeList(&Scr->WarpCursorL); FreeList(&Scr->DontSave); FreeList(&Scr->UnmapByMovingFarAway); FreeList(&Scr->DontSetInactive); FreeList(&Scr->AutoSqueeze); FreeList(&Scr->StartSqueezed); FreeList(&Scr->AlwaysSqueezeToGravityL); FreeList(&Scr->IconMenuDontShow); FreeList(&Scr->VirtualScreens); FreeList(&Scr->IgnoreTransientL); NewFontCursor(&Scr->FrameCursor, "top_left_arrow"); NewFontCursor(&Scr->TitleCursor, "top_left_arrow"); NewFontCursor(&Scr->IconCursor, "top_left_arrow"); NewFontCursor(&Scr->IconMgrCursor, "top_left_arrow"); NewFontCursor(&Scr->MoveCursor, "fleur"); NewFontCursor(&Scr->ResizeCursor, "fleur"); NewFontCursor(&Scr->MenuCursor, "sb_left_arrow"); NewFontCursor(&Scr->ButtonCursor, "hand2"); NewFontCursor(&Scr->WaitCursor, "watch"); NewFontCursor(&Scr->SelectCursor, "dot"); NewFontCursor(&Scr->DestroyCursor, "pirate"); NewFontCursor(&Scr->AlterCursor, "question_arrow"); Scr->workSpaceManagerActive = FALSE; Scr->Ring = NULL; Scr->RingLeader = NULL; Scr->ShowWelcomeWindow = CLarg.ShowWelcomeWindow; #define SETFB(fld) Scr->fld.fore = Scr->Black; Scr->fld.back = Scr->White; SETFB(DefaultC) SETFB(BorderColorC) SETFB(BorderTileC) SETFB(TitleC) SETFB(MenuC) SETFB(MenuTitleC) SETFB(IconC) SETFB(IconManagerC) #undef SETFB Scr->MenuShadowColor = Scr->Black; Scr->IconBorderColor = Scr->Black; Scr->IconManagerHighlight = Scr->Black; Scr->FramePadding = -100; /* trick to have different default value if ThreeDTitles is set or not */ Scr->TitlePadding = -100; Scr->ButtonIndent = -100; Scr->SizeStringOffset = 0; Scr->ThreeDBorderWidth = 6; Scr->BorderWidth = BW; Scr->IconBorderWidth = BW; Scr->NumAutoRaises = 0; Scr->NumAutoLowers = 0; Scr->TransientOnTop = 30; Scr->NoDefaults = FALSE; Scr->UsePPosition = PPOS_OFF; Scr->UseSunkTitlePixmap = FALSE; Scr->FocusRoot = TRUE; Scr->Focus = NULL; Scr->WarpCursor = FALSE; Scr->ForceIcon = FALSE; Scr->NoGrabServer = FALSE; Scr->NoRaiseMove = FALSE; Scr->NoRaiseResize = FALSE; Scr->NoRaiseDeicon = FALSE; Scr->RaiseOnWarp = TRUE; Scr->DontMoveOff = FALSE; Scr->DoZoom = FALSE; Scr->TitleFocus = TRUE; Scr->IconManagerFocus = TRUE; Scr->StayUpMenus = FALSE; Scr->WarpToDefaultMenuEntry = FALSE; Scr->ClickToFocus = FALSE; Scr->SloppyFocus = FALSE; Scr->SaveWorkspaceFocus = FALSE; Scr->NoIconTitlebar = FALSE; Scr->NoTitlebar = FALSE; Scr->DecorateTransients = FALSE; Scr->IconifyByUnmapping = FALSE; Scr->ShowIconManager = FALSE; Scr->ShowWorkspaceManager = FALSE; Scr->WMgrButtonShadowDepth = 2; Scr->WMgrVertButtonIndent = 5; Scr->WMgrHorizButtonIndent = 5; Scr->BorderShadowDepth = 2; Scr->TitleShadowDepth = 2; Scr->TitleButtonShadowDepth = 2; Scr->MenuShadowDepth = 2; Scr->IconManagerShadowDepth = 2; Scr->AutoOccupy = FALSE; Scr->TransientHasOccupation = FALSE; Scr->DontPaintRootWindow = FALSE; Scr->IconManagerDontShow = FALSE; Scr->BackingStore = TRUE; Scr->SaveUnder = TRUE; Scr->RandomPlacement = RP_OFF; Scr->RandomDisplacementX = 30; Scr->RandomDisplacementY = 30; Scr->DoOpaqueMove = FALSE; Scr->OpaqueMove = FALSE; Scr->OpaqueMoveThreshold = 200; Scr->OpaqueResize = FALSE; Scr->DoOpaqueResize = FALSE; Scr->OpaqueResizeThreshold = 1000; Scr->Highlight = TRUE; Scr->StackMode = TRUE; Scr->TitleHighlight = TRUE; Scr->MoveDelta = 1; /* so that f.deltastop will work */ Scr->MoveOffResistance = -1; Scr->MovePackResistance = 20; Scr->ZoomCount = 8; Scr->SortIconMgr = FALSE; Scr->Shadow = TRUE; Scr->InterpolateMenuColors = FALSE; Scr->NoIconManagers = FALSE; Scr->ClientBorderWidth = FALSE; Scr->SqueezeTitle = -1; Scr->FirstRegion = NULL; Scr->LastRegion = NULL; Scr->FirstWindowRegion = NULL; Scr->FirstTime = TRUE; Scr->HaveFonts = FALSE; /* i.e. not loaded yet */ Scr->CaseSensitive = TRUE; Scr->WarpUnmapped = FALSE; Scr->WindowRingAll = FALSE; Scr->WarpRingAnyWhere = TRUE; Scr->ShortAllWindowsMenus = FALSE; Scr->use3Diconmanagers = FALSE; Scr->use3Dmenus = FALSE; Scr->use3Dtitles = FALSE; Scr->use3Dborders = FALSE; Scr->use3Dwmap = FALSE; Scr->SunkFocusWindowTitle = FALSE; Scr->ClearShadowContrast = 50; Scr->DarkShadowContrast = 40; Scr->BeNiceToColormap = FALSE; Scr->BorderCursors = FALSE; Scr->IconJustification = J_CENTER; Scr->IconRegionJustification = J_CENTER; Scr->IconRegionAlignement = J_CENTER; Scr->TitleJustification = J_LEFT; Scr->IconifyStyle = ICONIFY_NORMAL; Scr->MaxIconTitleWidth = Scr->rootw; Scr->ReallyMoveInWorkspaceManager = FALSE; Scr->ShowWinWhenMovingInWmgr = FALSE; Scr->ReverseCurrentWorkspace = FALSE; Scr->DontWarpCursorInWMap = FALSE; Scr->XMoveGrid = 1; Scr->YMoveGrid = 1; Scr->FastServer = True; Scr->CenterFeedbackWindow = False; Scr->ShrinkIconTitles = False; Scr->AutoRaiseIcons = False; Scr->AutoFocusToTransients = False; /* kai */ Scr->use3Diconborders = False; Scr->OpenWindowTimeout = 0; Scr->RaiseWhenAutoUnSqueeze = False; Scr->RaiseOnClick = False; Scr->RaiseOnClickButton = 1; Scr->IgnoreModifier = 0; Scr->IgnoreCaseInMenuSelection = False; Scr->PackNewWindows = False; Scr->AlwaysSqueezeToGravity = FALSE; Scr->NoWarpToMenuTitle = FALSE; Scr->DontToggleWorkspaceManagerState = False; #ifdef EWMH Scr->PreferredIconWidth = 48; Scr->PreferredIconHeight = 48; FreeList(&Scr->EWMHIgnore); #endif FreeList(&Scr->MWMIgnore); Scr->BorderTop = 0; Scr->BorderBottom = 0; Scr->BorderLeft = 0; Scr->BorderRight = 0; /* setup default fonts; overridden by defaults from system.twmrc */ # define DEFAULT_NICE_FONT "-*-helvetica-bold-r-normal-*-*-120-*" # define DEFAULT_FAST_FONT "-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-*" Scr->TitleBarFont.font_set = NULL; Scr->TitleBarFont.basename = DEFAULT_NICE_FONT; Scr->MenuFont.font_set = NULL; Scr->MenuFont.basename = DEFAULT_NICE_FONT; Scr->IconFont.font_set = NULL; Scr->IconFont.basename = DEFAULT_NICE_FONT; Scr->SizeFont.font_set = NULL; Scr->SizeFont.basename = DEFAULT_FAST_FONT; Scr->IconManagerFont.font_set = NULL; Scr->IconManagerFont.basename = DEFAULT_NICE_FONT; Scr->DefaultFont.font_set = NULL; Scr->DefaultFont.basename = DEFAULT_FAST_FONT; Scr->workSpaceMgr.windowFont.font_set = NULL; Scr->workSpaceMgr.windowFont.basename = DEFAULT_FAST_FONT; } void CreateFonts(void) { GetFont(&Scr->TitleBarFont); GetFont(&Scr->MenuFont); GetFont(&Scr->IconFont); GetFont(&Scr->SizeFont); GetFont(&Scr->IconManagerFont); GetFont(&Scr->DefaultFont); GetFont(&Scr->workSpaceMgr.windowFont); Scr->HaveFonts = TRUE; } void RestoreWithdrawnLocation(TwmWindow *tmp) { int gravx, gravy; unsigned int bw, mask; XWindowChanges xwc; if(tmp->UnmapByMovingFarAway && !visible(tmp)) { XMoveWindow(dpy, tmp->frame, tmp->frame_x, tmp->frame_y); } if(tmp->squeezed) { Squeeze(tmp); } if(XGetGeometry(dpy, tmp->w, &JunkRoot, &xwc.x, &xwc.y, &JunkWidth, &JunkHeight, &bw, &JunkDepth)) { GetGravityOffsets(tmp, &gravx, &gravy); if(gravy < 0) { xwc.y -= tmp->title_height; } xwc.x += gravx * tmp->frame_bw3D; xwc.y += gravy * tmp->frame_bw3D; if(bw != tmp->old_bw) { int xoff, yoff; if(!Scr->ClientBorderWidth) { xoff = gravx; yoff = gravy; } else { xoff = 0; yoff = 0; } xwc.x -= (xoff + 1) * tmp->old_bw; xwc.y -= (yoff + 1) * tmp->old_bw; } if(!Scr->ClientBorderWidth) { xwc.x += gravx * tmp->frame_bw; xwc.y += gravy * tmp->frame_bw; } mask = (CWX | CWY); if(bw != tmp->old_bw) { xwc.border_width = tmp->old_bw; mask |= CWBorderWidth; } #if 0 if(tmp->vs) { xwc.x += tmp->vs->x; xwc.y += tmp->vs->y; } #endif if(tmp->winbox && tmp->winbox->twmwin && tmp->frame) { int xbox, ybox; if(XGetGeometry(dpy, tmp->frame, &JunkRoot, &xbox, &ybox, &JunkWidth, &JunkHeight, &bw, &JunkDepth)) { ReparentWindow(dpy, tmp, WinWin, Scr->Root, xbox, ybox); } } XConfigureWindow(dpy, tmp->w, mask, &xwc); if(tmp->wmhints && (tmp->wmhints->flags & IconWindowHint)) { XUnmapWindow(dpy, tmp->wmhints->icon_window); } } } /*********************************************************************** * * Procedure: * Done - cleanup and exit twm * * Returned Value: * none * * Inputs: * none * * Outputs: * none * * Special Considerations: * none * *********************************************************************** */ void Reborder(Time mytime) { TwmWindow *tmp; /* temp twm window structure */ int scrnum; ScreenInfo *savedScreen; /* Its better to avoid coredumps */ /* put a border back around all windows */ XGrabServer(dpy); savedScreen = Scr; for(scrnum = 0; scrnum < NumScreens; scrnum++) { if((Scr = ScreenList[scrnum]) == NULL) { continue; } InstallColormaps(0, &Scr->RootColormaps); /* force reinstall */ for(tmp = Scr->FirstWindow; tmp != NULL; tmp = tmp->next) { RestoreWithdrawnLocation(tmp); XMapWindow(dpy, tmp->w); } } Scr = savedScreen; XUngrabServer(dpy); SetFocus((TwmWindow *)NULL, mytime); } SIGNAL_T Done(int signum) { #ifdef SOUNDS play_exit_sound(); #endif Reborder(CurrentTime); #ifdef EWMH EwmhTerminate(); #endif /* EWMH */ XDeleteProperty(dpy, Scr->Root, XA_WM_WORKSPACESLIST); if(CLarg.is_captive) { RemoveFromCaptiveList(Scr->captivename); } XCloseDisplay(dpy); exit(0); } SIGNAL_T Crash(int signum) { Reborder(CurrentTime); XDeleteProperty(dpy, Scr->Root, XA_WM_WORKSPACESLIST); if(CLarg.is_captive) { RemoveFromCaptiveList(Scr->captivename); } XCloseDisplay(dpy); fprintf(stderr, "\nCongratulations, you have found a bug in ctwm\n"); fprintf(stderr, "If a core file was generated in your directory,\n"); fprintf(stderr, "can you please try extract the stack trace,\n"); fprintf(stderr, "and mail the results, and a description of what you were doing,\n"); fprintf(stderr, "to ctwm@ctwm.org. Thank you for your support.\n"); fprintf(stderr, "...exiting ctwm now.\n\n"); abort(); } SIGNAL_T Restart(int signum) { fprintf(stderr, "%s: setting restart flag\n", ProgramName); RestartFlag = true; } void DoRestart(Time t) { RestartFlag = false; StopAnimation(); XSync(dpy, 0); Reborder(t); XSync(dpy, 0); if(smcConn) { SmcCloseConnection(smcConn, 0, NULL); } fprintf(stderr, "%s: restarting: %s\n", ProgramName, *Argv); execvp(*Argv, Argv); fprintf(stderr, "%s: unable to restart: %s\n", ProgramName, *Argv); } #ifdef __WAIT_FOR_CHILDS /* * Handler for SIGCHLD. Needed to avoid zombies when an .xinitrc * execs ctwm as the last client. (All processes forked off from * within .xinitrc have been inherited by ctwm during the exec.) * Jens Schweikhardt */ SIGNAL_T ChildExit(int signum) { int Errno = errno; signal(SIGCHLD, ChildExit); /* reestablish because we're a one-shot */ waitpid(-1, NULL, WNOHANG); /* reap dead child, ignore status */ errno = Errno; /* restore errno for interrupted sys calls */ } #endif /* * Error Handlers. If a client dies, we'll get a BadWindow error (except for * GetGeometry which returns BadDrawable) for most operations that we do before * manipulating the client's window. */ static XErrorEvent LastErrorEvent; static int TwmErrorHandler(Display *display, XErrorEvent *event) { LastErrorEvent = *event; if(CLarg.PrintErrorMessages && /* don't be too obnoxious */ event->error_code != BadWindow && /* watch for dead puppies */ (event->request_code != X_GetGeometry && /* of all styles */ event->error_code != BadDrawable)) { XmuPrintDefaultErrorMessage(display, event, stderr); } return 0; } /* ARGSUSED*/ static int CatchRedirectError(Display *display, XErrorEvent *event) { RedirectError = TRUE; LastErrorEvent = *event; return 0; } /* * XA_MIT_PRIORITY_COLORS Create priority colors if necessary. * XA_WM_END_OF_ANIMATION Used to throttle animation. */ Atom XCTWMAtom[NUM_CTWM_XATOMS]; void InternUsefulAtoms(void) { XInternAtoms(dpy, XCTWMAtomNames, NUM_CTWM_XATOMS, False, XCTWMAtom); } static Window CreateRootWindow(int x, int y, unsigned int width, unsigned int height) { int scrnum; Window ret; XWMHints wmhints; scrnum = DefaultScreen(dpy); ret = XCreateSimpleWindow(dpy, RootWindow(dpy, scrnum), x, y, width, height, 2, WhitePixel(dpy, scrnum), BlackPixel(dpy, scrnum)); XSetStandardProperties(dpy, ret, "Captive ctwm", NULL, None, NULL, 0, NULL); wmhints.initial_state = NormalState; wmhints.input = True; wmhints.flags = InputHint | StateHint; XSetWMHints(dpy, ret, &wmhints); XChangeProperty(dpy, ret, XA_WM_CTWM_ROOT, XA_WINDOW, 32, PropModeReplace, (unsigned char *) &ret, 1); XSelectInput(dpy, ret, StructureNotifyMask); XMapWindow(dpy, ret); return (ret); }