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Diffstat (limited to 'xc/programs/twm/events.c')
| -rw-r--r-- | xc/programs/twm/events.c | 2823 |
1 files changed, 2823 insertions, 0 deletions
diff --git a/xc/programs/twm/events.c b/xc/programs/twm/events.c new file mode 100644 index 000000000..e388aa188 --- /dev/null +++ b/xc/programs/twm/events.c @@ -0,0 +1,2823 @@ +/* $XFree86: xc/programs/twm/events.c,v 1.5 1999/02/19 21:27:24 hohndel Exp $ */ +/*****************************************************************************/ +/* + +Copyright 1989, 1998 The Open Group + +All Rights Reserved. + +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 THE +OPEN GROUP 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 The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/** Copyright 1988 by Evans & Sutherland Computer Corporation, **/ +/** Salt Lake City, Utah **/ +/** 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 **/ +/** name of Evans & Sutherland not be used in advertising **/ +/** in publicity pertaining to distribution of the software without **/ +/** specific, written prior permission. **/ +/** **/ +/** EVANS & SUTHERLAND DISCLAIMs ALL WARRANTIES WITH REGARD **/ +/** TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT- **/ +/** ABILITY AND FITNESS, IN NO EVENT SHALL EVANS & SUTHERLAND **/ +/** 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. **/ +/*****************************************************************************/ + + +/*********************************************************************** + * + * $TOG: events.c /main/145 1998/02/09 13:47:49 kaleb $ + * + * twm event handling + * + * 17-Nov-87 Thomas E. LaStrange File created + * + ***********************************************************************/ + +#include <stdio.h> +#include "twm.h" +#include <X11/Xatom.h> +#include "iconmgr.h" +#include "add_window.h" +#include "menus.h" +#include "events.h" +#include "resize.h" +#include "parse.h" +#include "gram.h" +#include "util.h" +#include "screen.h" +#include "icons.h" +#include "version.h" + +extern int iconifybox_width, iconifybox_height; +extern unsigned int mods_used; +extern int menuFromFrameOrWindowOrTitlebar; + +#define MAX_X_EVENT 256 +event_proc EventHandler[MAX_X_EVENT]; /* event handler jump table */ +char *Action; +int Context = C_NO_CONTEXT; /* current button press context */ +TwmWindow *ButtonWindow; /* button press window structure */ +XEvent ButtonEvent; /* button press event */ +XEvent Event; /* the current event */ +TwmWindow *Tmp_win; /* the current twm window */ + +/* Used in HandleEnterNotify to remove border highlight from a window + * that has not recieved a LeaveNotify event because of a pointer grab + */ +TwmWindow *UnHighLight_win = NULL; + +Window DragWindow; /* variables used in moving windows */ +int origDragX; +int origDragY; +int DragX; +int DragY; +int DragWidth; +int DragHeight; +int CurrentDragX; +int CurrentDragY; + +/* Vars to tell if the resize has moved. */ +extern int ResizeOrigX; +extern int ResizeOrigY; + +static int enter_flag; +static int ColortableThrashing; +static TwmWindow *enter_win, *raise_win; + +static void free_window_names ( TwmWindow *tmp, Bool nukefull, Bool nukename, Bool nukeicon ); +static void remove_window_from_ring ( TwmWindow *tmp ); +static void do_menu ( MenuRoot *menu, Window w ); +static Bool HENQueueScanner ( Display *dpy, XEvent *ev, char *args ); +static Bool HLNQueueScanner ( Display *dpy, XEvent *ev, char *args ); +static void flush_expose ( Window w ); +static Bool UninstallRootColormapQScanner ( Display *dpy, XEvent *ev, char *args ); + +int ButtonPressed = -1; +int Cancel = FALSE; + + +extern int ShapeEventBase, ShapeErrorBase; + +void AutoRaiseWindow (tmp) + TwmWindow *tmp; +{ + XRaiseWindow (dpy, tmp->frame); + XSync (dpy, 0); + enter_win = NULL; + enter_flag = TRUE; + raise_win = tmp; +} + +void SetRaiseWindow (tmp) + TwmWindow *tmp; +{ + enter_flag = TRUE; + enter_win = NULL; + raise_win = tmp; + XSync (dpy, 0); +} + + + +/*********************************************************************** + * + * Procedure: + * InitEvents - initialize the event jump table + * + *********************************************************************** + */ + +void +InitEvents() +{ + int i; + + + ResizeWindow = (Window) 0; + DragWindow = (Window) 0; + enter_flag = FALSE; + enter_win = raise_win = NULL; + + for (i = 0; i < MAX_X_EVENT; i++) + EventHandler[i] = HandleUnknown; + + EventHandler[Expose] = HandleExpose; + EventHandler[CreateNotify] = HandleCreateNotify; + EventHandler[DestroyNotify] = HandleDestroyNotify; + EventHandler[MapRequest] = HandleMapRequest; + EventHandler[MapNotify] = HandleMapNotify; + EventHandler[UnmapNotify] = HandleUnmapNotify; + EventHandler[MotionNotify] = HandleMotionNotify; + EventHandler[ButtonRelease] = HandleButtonRelease; + EventHandler[ButtonPress] = HandleButtonPress; + EventHandler[EnterNotify] = HandleEnterNotify; + EventHandler[LeaveNotify] = HandleLeaveNotify; + EventHandler[ConfigureRequest] = HandleConfigureRequest; + EventHandler[ClientMessage] = HandleClientMessage; + EventHandler[PropertyNotify] = HandlePropertyNotify; + EventHandler[KeyPress] = HandleKeyPress; + EventHandler[ColormapNotify] = HandleColormapNotify; + EventHandler[VisibilityNotify] = HandleVisibilityNotify; + if (HasShape) + EventHandler[ShapeEventBase+ShapeNotify] = HandleShapeNotify; +} + + + + +Time lastTimestamp = CurrentTime; /* until Xlib does this for us */ + +Bool StashEventTime (ev) + register XEvent *ev; +{ + switch (ev->type) { + case KeyPress: + case KeyRelease: + lastTimestamp = ev->xkey.time; + return True; + case ButtonPress: + case ButtonRelease: + lastTimestamp = ev->xbutton.time; + return True; + case MotionNotify: + lastTimestamp = ev->xmotion.time; + return True; + case EnterNotify: + case LeaveNotify: + lastTimestamp = ev->xcrossing.time; + return True; + case PropertyNotify: + lastTimestamp = ev->xproperty.time; + return True; + case SelectionClear: + lastTimestamp = ev->xselectionclear.time; + return True; + case SelectionRequest: + lastTimestamp = ev->xselectionrequest.time; + return True; + case SelectionNotify: + lastTimestamp = ev->xselection.time; + return True; + } + return False; +} + + + +/* + * WindowOfEvent - return the window about which this event is concerned; this + * window may not be the same as XEvent.xany.window (the first window listed + * in the structure). + */ +Window WindowOfEvent (e) + XEvent *e; +{ + /* + * Each window subfield is marked with whether or not it is the same as + * XEvent.xany.window or is different (which is the case for some of the + * notify events). + */ + switch (e->type) { + case KeyPress: + case KeyRelease: return e->xkey.window; /* same */ + case ButtonPress: + case ButtonRelease: return e->xbutton.window; /* same */ + case MotionNotify: return e->xmotion.window; /* same */ + case EnterNotify: + case LeaveNotify: return e->xcrossing.window; /* same */ + case FocusIn: + case FocusOut: return e->xfocus.window; /* same */ + case KeymapNotify: return e->xkeymap.window; /* same */ + case Expose: return e->xexpose.window; /* same */ + case GraphicsExpose: return e->xgraphicsexpose.drawable; /* same */ + case NoExpose: return e->xnoexpose.drawable; /* same */ + case VisibilityNotify: return e->xvisibility.window; /* same */ + case CreateNotify: return e->xcreatewindow.window; /* DIFF */ + case DestroyNotify: return e->xdestroywindow.window; /* DIFF */ + case UnmapNotify: return e->xunmap.window; /* DIFF */ + case MapNotify: return e->xmap.window; /* DIFF */ + case MapRequest: return e->xmaprequest.window; /* DIFF */ + case ReparentNotify: return e->xreparent.window; /* DIFF */ + case ConfigureNotify: return e->xconfigure.window; /* DIFF */ + case ConfigureRequest: return e->xconfigurerequest.window; /* DIFF */ + case GravityNotify: return e->xgravity.window; /* DIFF */ + case ResizeRequest: return e->xresizerequest.window; /* same */ + case CirculateNotify: return e->xcirculate.window; /* DIFF */ + case CirculateRequest: return e->xcirculaterequest.window; /* DIFF */ + case PropertyNotify: return e->xproperty.window; /* same */ + case SelectionClear: return e->xselectionclear.window; /* same */ + case SelectionRequest: return e->xselectionrequest.requestor; /* DIFF */ + case SelectionNotify: return e->xselection.requestor; /* same */ + case ColormapNotify: return e->xcolormap.window; /* same */ + case ClientMessage: return e->xclient.window; /* same */ + case MappingNotify: return None; + } + return None; +} + + + +/*********************************************************************** + * + * Procedure: + * DispatchEvent2 - + * handle a single X event stored in global var Event + * this rouitine for is for a call during an f.move + * + *********************************************************************** + */ +Bool DispatchEvent2 () +{ + Window w = Event.xany.window; + StashEventTime (&Event); + + if (XFindContext (dpy, w, TwmContext, (caddr_t *) &Tmp_win) == XCNOENT) + Tmp_win = NULL; + + if (XFindContext (dpy, w, ScreenContext, (caddr_t *)&Scr) == XCNOENT) { + Scr = FindScreenInfo (WindowOfEvent (&Event)); + } + + if (!Scr) return False; + + if (menuFromFrameOrWindowOrTitlebar && Event.type == Expose) + HandleExpose(); + + if (!menuFromFrameOrWindowOrTitlebar && Event.type>= 0 && Event.type < MAX_X_EVENT) { + (*EventHandler[Event.type])(); + } + + return True; +} + +/*********************************************************************** + * + * Procedure: + * DispatchEvent - handle a single X event stored in global var Event + * + *********************************************************************** + */ +Bool DispatchEvent () +{ + Window w = Event.xany.window; + StashEventTime (&Event); + + if (XFindContext (dpy, w, TwmContext, (caddr_t *) &Tmp_win) == XCNOENT) + Tmp_win = NULL; + + if (XFindContext (dpy, w, ScreenContext, (caddr_t *)&Scr) == XCNOENT) { + Scr = FindScreenInfo (WindowOfEvent (&Event)); + } + + if (!Scr) return False; + + if (Event.type>= 0 && Event.type < MAX_X_EVENT) { + (*EventHandler[Event.type])(); + } + + return True; +} + + + +/*********************************************************************** + * + * Procedure: + * HandleEvents - handle X events + * + *********************************************************************** + */ + +void +HandleEvents() +{ + while (TRUE) + { + if (enter_flag && !QLength(dpy)) { + if (enter_win && enter_win != raise_win) { + AutoRaiseWindow (enter_win); /* sets enter_flag T */ + } else { + enter_flag = FALSE; + } + } + if (ColortableThrashing && !QLength(dpy) && Scr) { + InstallWindowColormaps(ColormapNotify, (TwmWindow *) NULL); + } + WindowMoved = FALSE; + XtAppNextEvent(appContext, &Event); + if (Event.type>= 0 && Event.type < MAX_X_EVENT) + (void) DispatchEvent (); + else + XtDispatchEvent (&Event); + } +} + + + +/*********************************************************************** + * + * Procedure: + * HandleColormapNotify - colormap notify event handler + * + * This procedure handles both a client changing its own colormap, and + * a client explicitly installing its colormap itself (only the window + * manager should do that, so we must set it correctly). + * + *********************************************************************** + */ + +void +HandleColormapNotify() +{ + XColormapEvent *cevent = (XColormapEvent *) &Event; + ColormapWindow *cwin, **cwins; + TwmColormap *cmap; + int lost, won, n, number_cwins; + + if (XFindContext(dpy, cevent->window, ColormapContext, (caddr_t *)&cwin) == XCNOENT) + return; + cmap = cwin->colormap; + + if (cevent->new) + { + if (XFindContext(dpy, cevent->colormap, ColormapContext, + (caddr_t *)&cwin->colormap) == XCNOENT) + cwin->colormap = CreateTwmColormap(cevent->colormap); + else + cwin->colormap->refcnt++; + + cmap->refcnt--; + + if (cevent->state == ColormapUninstalled) + cmap->state &= ~CM_INSTALLED; + else + cmap->state |= CM_INSTALLED; + + if (cmap->state & CM_INSTALLABLE) + InstallWindowColormaps(ColormapNotify, (TwmWindow *) NULL); + + if (cmap->refcnt == 0) + { + XDeleteContext(dpy, cmap->c, ColormapContext); + free((char *) cmap); + } + + return; + } + + if (cevent->state == ColormapUninstalled && + (cmap->state & CM_INSTALLABLE)) + { + if (!(cmap->state & CM_INSTALLED)) + return; + cmap->state &= ~CM_INSTALLED; + + if (!ColortableThrashing) + { + ColortableThrashing = TRUE; + XSync(dpy, 0); + } + + if (cevent->serial >= Scr->cmapInfo.first_req) + { + number_cwins = Scr->cmapInfo.cmaps->number_cwins; + + /* + * Find out which colortables collided. + */ + + cwins = Scr->cmapInfo.cmaps->cwins; + for (lost = won = -1, n = 0; + (lost == -1 || won == -1) && n < number_cwins; + n++) + { + if (lost == -1 && cwins[n] == cwin) + { + lost = n; /* This is the window which lost its colormap */ + continue; + } + + if (won == -1 && + cwins[n]->colormap->install_req == cevent->serial) + { + won = n; /* This is the window whose colormap caused */ + continue; /* the de-install of the previous colormap */ + } + } + + /* + ** Cases are: + ** Both the request and the window were found: + ** One of the installs made honoring the WM_COLORMAP + ** property caused another of the colormaps to be + ** de-installed, just mark the scoreboard. + ** + ** Only the request was found: + ** One of the installs made honoring the WM_COLORMAP + ** property caused a window not in the WM_COLORMAP + ** list to lose its map. This happens when the map + ** it is losing is one which is trying to be installed, + ** but is getting getting de-installed by another map + ** in this case, we'll get a scoreable event later, + ** this one is meaningless. + ** + ** Neither the request nor the window was found: + ** Somebody called installcolormap, but it doesn't + ** affect the WM_COLORMAP windows. This case will + ** probably never occur. + ** + ** Only the window was found: + ** One of the WM_COLORMAP windows lost its colormap + ** but it wasn't one of the requests known. This is + ** probably because someone did an "InstallColormap". + ** The colormap policy is "enforced" by re-installing + ** the colormaps which are believed to be correct. + */ + + if (won != -1) { + if (lost != -1) + { + /* lower diagonal index calculation */ + if (lost > won) + n = lost*(lost-1)/2 + won; + else + n = won*(won-1)/2 + lost; + Scr->cmapInfo.cmaps->scoreboard[n] = 1; + } else + { + /* + ** One of the cwin installs caused one of the cwin + ** colormaps to be de-installed, so I'm sure to get an + ** UninstallNotify for the cwin I know about later. + ** I haven't got it yet, or the test of CM_INSTALLED + ** above would have failed. Turning the CM_INSTALLED + ** bit back on makes sure we get back here to score + ** the collision. + */ + cmap->state |= CM_INSTALLED; + } + } else if (lost != -1) { + InstallWindowColormaps(ColormapNotify, (TwmWindow *) NULL); + } + } + } + + else if (cevent->state == ColormapUninstalled) + cmap->state &= ~CM_INSTALLED; + + else if (cevent->state == ColormapInstalled) + cmap->state |= CM_INSTALLED; +} + + + +/*********************************************************************** + * + * Procedure: + * HandleVisibilityNotify - visibility notify event handler + * + * This routine keeps track of visibility events so that colormap + * installation can keep the maximum number of useful colormaps + * installed at one time. + * + *********************************************************************** + */ + +void +HandleVisibilityNotify() +{ + XVisibilityEvent *vevent = (XVisibilityEvent *) &Event; + ColormapWindow *cwin; + TwmColormap *cmap; + + if (XFindContext(dpy, vevent->window, ColormapContext, (caddr_t *)&cwin) == XCNOENT) + return; + + /* + * when Saber complains about retreiving an <int> from an <unsigned int> + * just type "touch vevent->state" and "cont" + */ + cmap = cwin->colormap; + if ((cmap->state & CM_INSTALLABLE) && + vevent->state != cwin->visibility && + (vevent->state == VisibilityFullyObscured || + cwin->visibility == VisibilityFullyObscured) && + cmap->w == cwin->w) { + cwin->visibility = vevent->state; + InstallWindowColormaps(VisibilityNotify, (TwmWindow *) NULL); + } else + cwin->visibility = vevent->state; +} + + + +/*********************************************************************** + * + * Procedure: + * HandleKeyPress - key press event handler + * + *********************************************************************** + */ + +int MovedFromKeyPress = False; + +void +HandleKeyPress() +{ + KeySym ks; + FuncKey *key; + int len; + unsigned int modifier; + + if (InfoLines) XUnmapWindow(dpy, Scr->InfoWindow); + Context = C_NO_CONTEXT; + + if (Event.xany.window == Scr->Root) + Context = C_ROOT; + if (Tmp_win) + { + if (Event.xany.window == Tmp_win->title_w) + Context = C_TITLE; + if (Event.xany.window == Tmp_win->w) + Context = C_WINDOW; + if (Event.xany.window == Tmp_win->icon_w) + Context = C_ICON; + if (Event.xany.window == Tmp_win->frame) + Context = C_FRAME; + if (Tmp_win->list && Event.xany.window == Tmp_win->list->w) + Context = C_ICONMGR; + if (Tmp_win->list && Event.xany.window == Tmp_win->list->icon) + Context = C_ICONMGR; + } + + modifier = (Event.xkey.state & mods_used); + ks = XLookupKeysym((XKeyEvent *) &Event, /* KeySyms index */ 0); + for (key = Scr->FuncKeyRoot.next; key != NULL; key = key->next) + { + if (key->keysym == ks && + key->mods == modifier && + (key->cont == Context || key->cont == C_NAME)) + { + /* weed out the functions that don't make sense to execute + * from a key press + */ + if (key->func == F_RESIZE) + return; + /* special case for F_MOVE/F_FORCEMOVE activated from a keypress */ + if (key->func == F_MOVE || key->func == F_FORCEMOVE) + MovedFromKeyPress = True; + + if (key->cont != C_NAME) + { + ExecuteFunction(key->func, key->action, Event.xany.window, + Tmp_win, &Event, Context, FALSE); + XUngrabPointer(dpy, CurrentTime); + return; + } + else + { + int matched = FALSE; + len = strlen(key->win_name); + + /* try and match the name first */ + for (Tmp_win = Scr->TwmRoot.next; Tmp_win != NULL; + Tmp_win = Tmp_win->next) + { + if (!strncmp(key->win_name, Tmp_win->name, len)) + { + matched = TRUE; + ExecuteFunction(key->func, key->action, Tmp_win->frame, + Tmp_win, &Event, C_FRAME, FALSE); + XUngrabPointer(dpy, CurrentTime); + } + } + + /* now try the res_name */ + if (!matched) + for (Tmp_win = Scr->TwmRoot.next; Tmp_win != NULL; + Tmp_win = Tmp_win->next) + { + if (!strncmp(key->win_name, Tmp_win->class.res_name, len)) + { + matched = TRUE; + ExecuteFunction(key->func, key->action, Tmp_win->frame, + Tmp_win, &Event, C_FRAME, FALSE); + XUngrabPointer(dpy, CurrentTime); + } + } + + /* now try the res_class */ + if (!matched) + for (Tmp_win = Scr->TwmRoot.next; Tmp_win != NULL; + Tmp_win = Tmp_win->next) + { + if (!strncmp(key->win_name, Tmp_win->class.res_class, len)) + { + matched = TRUE; + ExecuteFunction(key->func, key->action, Tmp_win->frame, + Tmp_win, &Event, C_FRAME, FALSE); + XUngrabPointer(dpy, CurrentTime); + } + } + if (matched) + return; + } + } + } + + /* if we get here, no function key was bound to the key. Send it + * to the client if it was in a window we know about. + */ + if (Tmp_win) + { + if (Event.xany.window == Tmp_win->icon_w || + Event.xany.window == Tmp_win->frame || + Event.xany.window == Tmp_win->title_w || + (Tmp_win->list && (Event.xany.window == Tmp_win->list->w))) + { + Event.xkey.window = Tmp_win->w; + XSendEvent(dpy, Tmp_win->w, False, KeyPressMask, &Event); + } + } + +} + + + +static void +free_window_names (tmp, nukefull, nukename, nukeicon) + TwmWindow *tmp; + Bool nukefull, nukename, nukeicon; +{ +/* + * XXX - are we sure that nobody ever sets these to another constant (check + * twm windows)? + */ + if (tmp->name == tmp->full_name) nukefull = False; + if (tmp->icon_name == tmp->name) nukename = False; + + if (nukefull && tmp->full_name) free (tmp->full_name); + if (nukename && tmp->name) free (tmp->name); + if (nukeicon && tmp->icon_name) free (tmp->icon_name); + return; +} + + + +void +free_cwins (tmp) + TwmWindow *tmp; +{ + int i; + TwmColormap *cmap; + + if (tmp->cmaps.number_cwins) { + for (i = 0; i < tmp->cmaps.number_cwins; i++) { + if (--tmp->cmaps.cwins[i]->refcnt == 0) { + cmap = tmp->cmaps.cwins[i]->colormap; + if (--cmap->refcnt == 0) { + XDeleteContext(dpy, cmap->c, ColormapContext); + free((char *) cmap); + } + XDeleteContext(dpy, tmp->cmaps.cwins[i]->w, ColormapContext); + free((char *) tmp->cmaps.cwins[i]); + } + } + free((char *) tmp->cmaps.cwins); + if (tmp->cmaps.number_cwins > 1) { + free(tmp->cmaps.scoreboard); + tmp->cmaps.scoreboard = NULL; + } + tmp->cmaps.number_cwins = 0; + } +} + + + +/*********************************************************************** + * + * Procedure: + * HandlePropertyNotify - property notify event handler + * + *********************************************************************** + */ + +void +HandlePropertyNotify() +{ + char *prop = NULL; + Atom actual = None; + int actual_format; + unsigned long nitems, bytesafter; + unsigned long valuemask; /* mask for create windows */ + XSetWindowAttributes attributes; /* attributes for create windows */ + Pixmap pm; + + /* watch for standard colormap changes */ + if (Event.xproperty.window == Scr->Root) { + XStandardColormap *maps = NULL; + int nmaps; + + switch (Event.xproperty.state) { + case PropertyNewValue: + if (XGetRGBColormaps (dpy, Scr->Root, &maps, &nmaps, + Event.xproperty.atom)) { + /* if got one, then replace any existing entry */ + InsertRGBColormap (Event.xproperty.atom, maps, nmaps, True); + } + return; + + case PropertyDelete: + RemoveRGBColormap (Event.xproperty.atom); + return; + } + } + + if (!Tmp_win) return; /* unknown window */ + +#define MAX_NAME_LEN 200L /* truncate to this many */ +#define MAX_ICON_NAME_LEN 200L /* ditto */ + + switch (Event.xproperty.atom) { + case XA_WM_NAME: + if (XGetWindowProperty (dpy, Tmp_win->w, Event.xproperty.atom, 0L, + MAX_NAME_LEN, False, XA_STRING, &actual, + &actual_format, &nitems, &bytesafter, + (unsigned char **) &prop) != Success || + actual == None) + return; + free_window_names (Tmp_win, True, True, False); + + Tmp_win->full_name = strdup(prop ? prop : NoName); + Tmp_win->name = strdup(prop ? prop : NoName); + if (prop) + XFree(prop); + + Tmp_win->nameChanged = 1; + + Tmp_win->name_width = XTextWidth (Scr->TitleBarFont.font, + Tmp_win->name, + strlen (Tmp_win->name)); + + SetupWindow (Tmp_win, Tmp_win->frame_x, Tmp_win->frame_y, + Tmp_win->frame_width, Tmp_win->frame_height, -1); + + if (Tmp_win->title_w) XClearArea(dpy, Tmp_win->title_w, 0,0,0,0, True); + + /* + * if the icon name is NoName, set the name of the icon to be + * the same as the window + */ + if (Tmp_win->icon_name == NoName) { + Tmp_win->icon_name = Tmp_win->name; + RedoIconName(); + } + break; + + case XA_WM_ICON_NAME: + if (XGetWindowProperty (dpy, Tmp_win->w, Event.xproperty.atom, 0, + MAX_ICON_NAME_LEN, False, XA_STRING, &actual, + &actual_format, &nitems, &bytesafter, + (unsigned char **) &prop) != Success || + actual == None) + return; + free_window_names (Tmp_win, False, False, True); + Tmp_win->icon_name = strdup(prop ? prop : NoName); + if (prop) + XFree(prop); + + RedoIconName(); + break; + + case XA_WM_HINTS: + if (Tmp_win->wmhints) XFree ((char *) Tmp_win->wmhints); + Tmp_win->wmhints = XGetWMHints(dpy, Event.xany.window); + + if (Tmp_win->wmhints && (Tmp_win->wmhints->flags & WindowGroupHint)) + Tmp_win->group = Tmp_win->wmhints->window_group; + + if (Tmp_win->icon_not_ours && Tmp_win->wmhints && + !(Tmp_win->wmhints->flags & IconWindowHint)) { + /* IconWindowHint was formerly on, now off; revert + // to a default icon */ + int icon_x = 0, icon_y = 0; + XGetGeometry (dpy, Tmp_win->icon_w, &JunkRoot, + &icon_x, &icon_y, + &JunkWidth, &JunkHeight, &JunkBW, &JunkDepth); + XSelectInput (dpy, Tmp_win->icon_w, None); + XDeleteContext (dpy, Tmp_win->icon_w, TwmContext); + XDeleteContext (dpy, Tmp_win->icon_w, ScreenContext); + CreateIconWindow(Tmp_win, icon_x, icon_y); + break; + } + + if (!Tmp_win->forced && Tmp_win->wmhints && + Tmp_win->wmhints->flags & IconWindowHint) { + if (Tmp_win->icon_w) { + int icon_x, icon_y; + + /* + * There's already an icon window. + * Try to find out where it is; if we succeed, move the new + * window to where the old one is. + */ + if (XGetGeometry (dpy, Tmp_win->icon_w, &JunkRoot, &icon_x, + &icon_y, &JunkWidth, &JunkHeight, &JunkBW, &JunkDepth)) { + /* + * Move the new icon window to where the old one was. + */ + XMoveWindow(dpy, Tmp_win->wmhints->icon_window, icon_x, + icon_y); + } + + /* + * If the window is iconic, map the new icon window. + */ + if (Tmp_win->icon) + XMapWindow(dpy, Tmp_win->wmhints->icon_window); + + /* + * Now, if the old window isn't ours, unmap it, otherwise + * just get rid of it completely. + */ + if (Tmp_win->icon_not_ours) { + if (Tmp_win->icon_w != Tmp_win->wmhints->icon_window) + XUnmapWindow(dpy, Tmp_win->icon_w); + } else + XDestroyWindow(dpy, Tmp_win->icon_w); + + XDeleteContext(dpy, Tmp_win->icon_w, TwmContext); + XDeleteContext(dpy, Tmp_win->icon_w, ScreenContext); + + /* + * The new icon window isn't our window, so note that fact + * so that we don't treat it as ours. + */ + Tmp_win->icon_not_ours = TRUE; + + /* + * Now make the new window the icon window for this window, + * and set it up to work as such (select for key presses + * and button presses/releases, set up the contexts for it, + * and define the cursor for it). + */ + Tmp_win->icon_w = Tmp_win->wmhints->icon_window; + XSelectInput (dpy, Tmp_win->icon_w, + KeyPressMask | ButtonPressMask | ButtonReleaseMask); + XSaveContext(dpy, Tmp_win->icon_w, TwmContext, (caddr_t)Tmp_win); + XSaveContext(dpy, Tmp_win->icon_w, ScreenContext, (caddr_t)Scr); + XDefineCursor(dpy, Tmp_win->icon_w, Scr->IconCursor); + } + } + + if (Tmp_win->icon_w && !Tmp_win->forced && Tmp_win->wmhints && + (Tmp_win->wmhints->flags & IconPixmapHint)) { + if (!XGetGeometry (dpy, Tmp_win->wmhints->icon_pixmap, &JunkRoot, + &JunkX, &JunkY, (unsigned int *)&Tmp_win->icon_width, + (unsigned int *)&Tmp_win->icon_height, &JunkBW, &JunkDepth)) { + return; + } + + pm = XCreatePixmap (dpy, Scr->Root, Tmp_win->icon_width, + Tmp_win->icon_height, Scr->d_depth); + + FB(Tmp_win->iconc.fore, Tmp_win->iconc.back); + XCopyPlane(dpy, Tmp_win->wmhints->icon_pixmap, pm, + Scr->NormalGC, + 0,0, Tmp_win->icon_width, Tmp_win->icon_height, 0, 0, 1 ); + + valuemask = CWBackPixmap; + attributes.background_pixmap = pm; + + if (Tmp_win->icon_bm_w) + XDestroyWindow(dpy, Tmp_win->icon_bm_w); + + Tmp_win->icon_bm_w = + XCreateWindow (dpy, Tmp_win->icon_w, 0, 0, + (unsigned int) Tmp_win->icon_width, + (unsigned int) Tmp_win->icon_height, + (unsigned int) 0, Scr->d_depth, + (unsigned int) CopyFromParent, Scr->d_visual, + valuemask, &attributes); + + XFreePixmap (dpy, pm); + RedoIconName(); + } + break; + + case XA_WM_NORMAL_HINTS: + GetWindowSizeHints (Tmp_win); + break; + + default: + if (Event.xproperty.atom == _XA_WM_COLORMAP_WINDOWS) { + FetchWmColormapWindows (Tmp_win); /* frees old data */ + break; + } else if (Event.xproperty.atom == _XA_WM_PROTOCOLS) { + FetchWmProtocols (Tmp_win); + break; + } + break; + } +} + + + +/*********************************************************************** + * + * Procedure: + * RedoIconName - procedure to re-position the icon window and name + * + *********************************************************************** + */ +void +RedoIconName() +{ + int x, y; + + if (Tmp_win->list) + { + /* let the expose event cause the repaint */ + XClearArea(dpy, Tmp_win->list->w, 0,0,0,0, True); + + if (Scr->SortIconMgr) + SortIconManager(Tmp_win->list->iconmgr); + } + + if (Tmp_win->icon_w == (Window) 0) + return; + + if (Tmp_win->icon_not_ours) + return; + + Tmp_win->icon_w_width = XTextWidth(Scr->IconFont.font, + Tmp_win->icon_name, strlen(Tmp_win->icon_name)); + + Tmp_win->icon_w_width += 6; + if (Tmp_win->icon_w_width < Tmp_win->icon_width) + { + Tmp_win->icon_x = (Tmp_win->icon_width - Tmp_win->icon_w_width)/2; + Tmp_win->icon_x += 3; + Tmp_win->icon_w_width = Tmp_win->icon_width; + } + else + { + Tmp_win->icon_x = 3; + } + + if (Tmp_win->icon_w_width == Tmp_win->icon_width) + x = 0; + else + x = (Tmp_win->icon_w_width - Tmp_win->icon_width)/2; + + y = 0; + + Tmp_win->icon_w_height = Tmp_win->icon_height + Scr->IconFont.height + 4; + Tmp_win->icon_y = Tmp_win->icon_height + Scr->IconFont.height; + + XResizeWindow(dpy, Tmp_win->icon_w, Tmp_win->icon_w_width, + Tmp_win->icon_w_height); + if (Tmp_win->icon_bm_w) + { + XMoveWindow(dpy, Tmp_win->icon_bm_w, x, y); + XMapWindow(dpy, Tmp_win->icon_bm_w); + } + if (Tmp_win->icon) + { + XClearArea(dpy, Tmp_win->icon_w, 0, 0, 0, 0, True); + } +} + + + +/*********************************************************************** + * + * Procedure: + * HandleClientMessage - client message event handler + * + *********************************************************************** + */ + +void +HandleClientMessage() +{ + if (Event.xclient.message_type == _XA_WM_CHANGE_STATE) + { + if (Tmp_win != NULL) + { + if (Event.xclient.data.l[0] == IconicState && !Tmp_win->icon) + { + XEvent button; + + XQueryPointer( dpy, Scr->Root, &JunkRoot, &JunkChild, + &(button.xmotion.x_root), + &(button.xmotion.y_root), + &JunkX, &JunkY, &JunkMask); + + ExecuteFunction(F_ICONIFY, NULLSTR, Event.xany.window, + Tmp_win, &button, FRAME, FALSE); + XUngrabPointer(dpy, CurrentTime); + } + } + } +} + + + +/*********************************************************************** + * + * Procedure: + * HandleExpose - expose event handler + * + *********************************************************************** + */ +void +HandleExpose() +{ + MenuRoot *tmp; + if (XFindContext(dpy, Event.xany.window, MenuContext, (caddr_t *)&tmp) == 0) + { + PaintMenu(tmp, &Event); + return; + } + + if (Event.xexpose.count != 0) + return; + + if (Event.xany.window == Scr->InfoWindow && InfoLines) + { + int i; + int height; + + FBF(Scr->DefaultC.fore, Scr->DefaultC.back, + Scr->DefaultFont.font->fid); + + height = Scr->DefaultFont.height+2; + for (i = 0; i < InfoLines; i++) + { + XDrawString(dpy, Scr->InfoWindow, Scr->NormalGC, + 5, (i*height) + Scr->DefaultFont.y, Info[i], strlen(Info[i])); + } + flush_expose (Event.xany.window); + } + else if (Tmp_win != NULL) + { + if (Event.xany.window == Tmp_win->title_w) + { + FBF(Tmp_win->title.fore, Tmp_win->title.back, + Scr->TitleBarFont.font->fid); + + XDrawString (dpy, Tmp_win->title_w, Scr->NormalGC, + Scr->TBInfo.titlex, Scr->TitleBarFont.y, + Tmp_win->name, strlen(Tmp_win->name)); + flush_expose (Event.xany.window); + } + else if (Event.xany.window == Tmp_win->icon_w) + { + FBF(Tmp_win->iconc.fore, Tmp_win->iconc.back, + Scr->IconFont.font->fid); + + XDrawString (dpy, Tmp_win->icon_w, + Scr->NormalGC, + Tmp_win->icon_x, Tmp_win->icon_y, + Tmp_win->icon_name, strlen(Tmp_win->icon_name)); + flush_expose (Event.xany.window); + return; + } else if (Tmp_win->titlebuttons) { + int i; + Window w = Event.xany.window; + register TBWindow *tbw; + int nb = Scr->TBInfo.nleft + Scr->TBInfo.nright; + + for (i = 0, tbw = Tmp_win->titlebuttons; i < nb; i++, tbw++) { + if (w == tbw->window) { + register TitleButton *tb = tbw->info; + + FB(Tmp_win->title.fore, Tmp_win->title.back); + XCopyPlane (dpy, tb->bitmap, w, Scr->NormalGC, + tb->srcx, tb->srcy, tb->width, tb->height, + tb->dstx, tb->dsty, 1); + flush_expose (w); + return; + } + } + } + if (Tmp_win->list) { + if (Event.xany.window == Tmp_win->list->w) + { + FBF(Tmp_win->list->fore, Tmp_win->list->back, + Scr->IconManagerFont.font->fid); + XDrawString (dpy, Event.xany.window, Scr->NormalGC, + iconmgr_textx, Scr->IconManagerFont.y+4, + Tmp_win->icon_name, strlen(Tmp_win->icon_name)); + DrawIconManagerBorder(Tmp_win->list); + flush_expose (Event.xany.window); + return; + } + if (Event.xany.window == Tmp_win->list->icon) + { + FB(Tmp_win->list->fore, Tmp_win->list->back); + XCopyPlane(dpy, Scr->siconifyPm, Tmp_win->list->icon, + Scr->NormalGC, + 0,0, iconifybox_width, iconifybox_height, 0, 0, 1); + flush_expose (Event.xany.window); + return; + } + } + } +} + + + +static void remove_window_from_ring (tmp) + TwmWindow *tmp; +{ + TwmWindow *prev = tmp->ring.prev, *next = tmp->ring.next; + + if (enter_win == tmp) { + enter_flag = FALSE; + enter_win = NULL; + } + if (raise_win == Tmp_win) raise_win = NULL; + + /* + * 1. Unlink window + * 2. If window was only thing in ring, null out ring + * 3. If window was ring leader, set to next (or null) + */ + if (prev) prev->ring.next = next; + if (next) next->ring.prev = prev; + if (Scr->Ring == tmp) + Scr->Ring = (next != tmp ? next : (TwmWindow *) NULL); + + if (!Scr->Ring || Scr->RingLeader == tmp) Scr->RingLeader = Scr->Ring; +} + + + +/*********************************************************************** + * + * Procedure: + * HandleDestroyNotify - DestroyNotify event handler + * + *********************************************************************** + */ + +void +HandleDestroyNotify() +{ + int i; + + /* + * Warning, this is also called by HandleUnmapNotify; if it ever needs to + * look at the event, HandleUnmapNotify will have to mash the UnmapNotify + * into a DestroyNotify. + */ + + if (Tmp_win == NULL) + return; + + if (Tmp_win == Scr->Focus) + { + FocusOnRoot(); + } + XDeleteContext(dpy, Tmp_win->w, TwmContext); + XDeleteContext(dpy, Tmp_win->w, ScreenContext); + XDeleteContext(dpy, Tmp_win->frame, TwmContext); + XDeleteContext(dpy, Tmp_win->frame, ScreenContext); + if (Tmp_win->icon_w) + { + XDeleteContext(dpy, Tmp_win->icon_w, TwmContext); + XDeleteContext(dpy, Tmp_win->icon_w, ScreenContext); + } + if (Tmp_win->title_height) + { + int nb = Scr->TBInfo.nleft + Scr->TBInfo.nright; + XDeleteContext(dpy, Tmp_win->title_w, TwmContext); + XDeleteContext(dpy, Tmp_win->title_w, ScreenContext); + if (Tmp_win->hilite_w) + { + XDeleteContext(dpy, Tmp_win->hilite_w, TwmContext); + XDeleteContext(dpy, Tmp_win->hilite_w, ScreenContext); + } + if (Tmp_win->titlebuttons) { + for (i = 0; i < nb; i++) { + XDeleteContext (dpy, Tmp_win->titlebuttons[i].window, + TwmContext); + XDeleteContext (dpy, Tmp_win->titlebuttons[i].window, + ScreenContext); + } + } + } + + if (Scr->cmapInfo.cmaps == &Tmp_win->cmaps) + InstallWindowColormaps(DestroyNotify, &Scr->TwmRoot); + + /* + * TwmWindows contain the following pointers + * + * 1. full_name + * 2. name + * 3. icon_name + * 4. wmhints + * 5. class.res_name + * 6. class.res_class + * 7. list + * 8. iconmgrp + * 9. cwins + * 10. titlebuttons + * 11. window ring + */ + if (Tmp_win->gray) XFreePixmap (dpy, Tmp_win->gray); + + XDestroyWindow(dpy, Tmp_win->frame); + if (Tmp_win->icon_w && !Tmp_win->icon_not_ours) { + XDestroyWindow(dpy, Tmp_win->icon_w); + IconDown (Tmp_win); + } + RemoveIconManager(Tmp_win); /* 7 */ + Tmp_win->prev->next = Tmp_win->next; + if (Tmp_win->next != NULL) + Tmp_win->next->prev = Tmp_win->prev; + if (Tmp_win->auto_raise) Scr->NumAutoRaises--; + + free_window_names (Tmp_win, True, True, True); /* 1, 2, 3 */ + if (Tmp_win->wmhints) /* 4 */ + XFree ((char *)Tmp_win->wmhints); + if (Tmp_win->class.res_name && Tmp_win->class.res_name != NoName) /* 5 */ + XFree ((char *)Tmp_win->class.res_name); + if (Tmp_win->class.res_class && Tmp_win->class.res_class != NoName) /* 6 */ + XFree ((char *)Tmp_win->class.res_class); + free_cwins (Tmp_win); /* 9 */ + if (Tmp_win->titlebuttons) /* 10 */ + free ((char *) Tmp_win->titlebuttons); + remove_window_from_ring (Tmp_win); /* 11 */ + + if (UnHighLight_win == Tmp_win) + UnHighLight_win = NULL; + + free((char *)Tmp_win); +} + + + +void +HandleCreateNotify() +{ +#ifdef DEBUG_EVENTS + fprintf(stderr, "CreateNotify w = 0x%x\n", Event.xcreatewindow.window); + fflush(stderr); + Bell(XkbBI_Info,0,Event.xcreatewindow.window); + XSync(dpy, 0); +#endif +} + + + +/*********************************************************************** + * + * Procedure: + * HandleMapRequest - MapRequest event handler + * + *********************************************************************** + */ + +void +HandleMapRequest() +{ + int stat; + int zoom_save; + + Event.xany.window = Event.xmaprequest.window; + stat = XFindContext(dpy, Event.xany.window, TwmContext, (caddr_t *)&Tmp_win); + if (stat == XCNOENT) + Tmp_win = NULL; + + /* If the window has never been mapped before ... */ + if (Tmp_win == NULL) + { + /* Add decorations. */ + Tmp_win = AddWindow(Event.xany.window, FALSE, (IconMgr *) NULL); + if (Tmp_win == NULL) + return; + } + else + { + /* + * If the window has been unmapped by the client, it won't be listed + * in the icon manager. Add it again, if requested. + */ + if (Tmp_win->list == NULL) + (void) AddIconManager (Tmp_win); + } + + /* If it's not merely iconified, and we have hints, use them. */ + if ((! Tmp_win->icon) && + Tmp_win->wmhints && (Tmp_win->wmhints->flags & StateHint)) + { + int state; + Window icon; + + /* use WM_STATE if enabled */ + if (!(RestartPreviousState && GetWMState(Tmp_win->w, &state, &icon) && + (state == NormalState || state == IconicState))) + state = Tmp_win->wmhints->initial_state; + + switch (state) + { + case DontCareState: + case NormalState: + case ZoomState: + case InactiveState: + XMapWindow(dpy, Tmp_win->w); + XMapWindow(dpy, Tmp_win->frame); + SetMapStateProp(Tmp_win, NormalState); + SetRaiseWindow (Tmp_win); + break; + + case IconicState: + zoom_save = Scr->DoZoom; + Scr->DoZoom = FALSE; + Iconify(Tmp_win, 0, 0); + Scr->DoZoom = zoom_save; + break; + } + } + /* If no hints, or currently an icon, just "deiconify" */ + else + { + DeIconify(Tmp_win); + SetRaiseWindow (Tmp_win); + } +} + + + +void SimulateMapRequest (w) + Window w; +{ + Event.xmaprequest.window = w; + HandleMapRequest (); +} + + + +/*********************************************************************** + * + * Procedure: + * HandleMapNotify - MapNotify event handler + * + *********************************************************************** + */ + +void +HandleMapNotify() +{ + if (Tmp_win == NULL) + return; + + /* + * Need to do the grab to avoid race condition of having server send + * MapNotify to client before the frame gets mapped; this is bad because + * the client would think that the window has a chance of being viewable + * when it really isn't. + */ + XGrabServer (dpy); + if (Tmp_win->icon_w) + XUnmapWindow(dpy, Tmp_win->icon_w); + if (Tmp_win->title_w) + XMapSubwindows(dpy, Tmp_win->title_w); + XMapSubwindows(dpy, Tmp_win->frame); + if (Scr->Focus != Tmp_win && Tmp_win->hilite_w) + XUnmapWindow(dpy, Tmp_win->hilite_w); + + XMapWindow(dpy, Tmp_win->frame); + XUngrabServer (dpy); + XFlush (dpy); + Tmp_win->mapped = TRUE; + Tmp_win->icon = FALSE; + Tmp_win->icon_on = FALSE; +} + + + +/*********************************************************************** + * + * Procedure: + * HandleUnmapNotify - UnmapNotify event handler + * + *********************************************************************** + */ + +void +HandleUnmapNotify() +{ + int dstx, dsty; + Window dumwin; + + /* + * The July 27, 1988 ICCCM spec states that a client wishing to switch + * to WithdrawnState should send a synthetic UnmapNotify with the + * event field set to (pseudo-)root, in case the window is already + * unmapped (which is the case for twm for IconicState). Unfortunately, + * we looked for the TwmContext using that field, so try the window + * field also. + */ + if (Tmp_win == NULL) + { + Event.xany.window = Event.xunmap.window; + if (XFindContext(dpy, Event.xany.window, + TwmContext, (caddr_t *)&Tmp_win) == XCNOENT) + Tmp_win = NULL; + } + + if (Tmp_win == NULL || (!Tmp_win->mapped && !Tmp_win->icon)) + return; + + /* + * The program may have unmapped the client window, from either + * NormalState or IconicState. Handle the transition to WithdrawnState. + * + * We need to reparent the window back to the root (so that twm exiting + * won't cause it to get mapped) and then throw away all state (pretend + * that we've received a DestroyNotify). + */ + + XGrabServer (dpy); + if (XTranslateCoordinates (dpy, Event.xunmap.window, Tmp_win->attr.root, + 0, 0, &dstx, &dsty, &dumwin)) { + XEvent ev; + Bool reparented = XCheckTypedWindowEvent (dpy, Event.xunmap.window, + ReparentNotify, &ev); + SetMapStateProp (Tmp_win, WithdrawnState); + if (reparented) { + if (Tmp_win->old_bw) XSetWindowBorderWidth (dpy, + Event.xunmap.window, + Tmp_win->old_bw); + if (Tmp_win->wmhints && (Tmp_win->wmhints->flags & IconWindowHint)) + XUnmapWindow (dpy, Tmp_win->wmhints->icon_window); + } else { + XReparentWindow (dpy, Event.xunmap.window, Tmp_win->attr.root, + dstx, dsty); + RestoreWithdrawnLocation (Tmp_win); + } + XRemoveFromSaveSet (dpy, Event.xunmap.window); + XSelectInput (dpy, Event.xunmap.window, NoEventMask); + HandleDestroyNotify (); /* do not need to mash event before */ + } /* else window no longer exists and we'll get a destroy notify */ + XUngrabServer (dpy); + XFlush (dpy); +} + + + +/*********************************************************************** + * + * Procedure: + * HandleMotionNotify - MotionNotify event handler + * + *********************************************************************** + */ + +void +HandleMotionNotify() +{ + if (ResizeWindow != (Window) 0) + { + XQueryPointer( dpy, Event.xany.window, + &(Event.xmotion.root), &JunkChild, + &(Event.xmotion.x_root), &(Event.xmotion.y_root), + &(Event.xmotion.x), &(Event.xmotion.y), + &JunkMask); + + /* Set WindowMoved appropriately so that f.deltastop will + work with resize as well as move. */ + if (abs (Event.xmotion.x - ResizeOrigX) >= Scr->MoveDelta + || abs (Event.xmotion.y - ResizeOrigY) >= Scr->MoveDelta) + WindowMoved = TRUE; + + XFindContext(dpy, ResizeWindow, TwmContext, (caddr_t *)&Tmp_win); + DoResize(Event.xmotion.x_root, Event.xmotion.y_root, Tmp_win); + } +} + + + +/*********************************************************************** + * + * Procedure: + * HandleButtonRelease - ButtonRelease event handler + * + *********************************************************************** + */ +void +HandleButtonRelease() +{ + int xl, xr, yt, yb, w, h; + unsigned mask; + + if (InfoLines) /* delete info box on 2nd button release */ + if (Context == C_IDENTIFY) { + XUnmapWindow(dpy, Scr->InfoWindow); + InfoLines = 0; + Context = C_NO_CONTEXT; + } + + if (DragWindow != None) + { + MoveOutline(Scr->Root, 0, 0, 0, 0, 0, 0); + + XFindContext(dpy, DragWindow, TwmContext, (caddr_t *)&Tmp_win); + if (DragWindow == Tmp_win->frame) + { + xl = Event.xbutton.x_root - DragX - Tmp_win->frame_bw; + yt = Event.xbutton.y_root - DragY - Tmp_win->frame_bw; + w = DragWidth + 2 * Tmp_win->frame_bw; + h = DragHeight + 2 * Tmp_win->frame_bw; + } + else + { + xl = Event.xbutton.x_root - DragX - Scr->IconBorderWidth; + yt = Event.xbutton.y_root - DragY - Scr->IconBorderWidth; + w = DragWidth + 2 * Scr->IconBorderWidth; + h = DragHeight + 2 * Scr->IconBorderWidth; + } + + if (ConstMove) + { + if (ConstMoveDir == MOVE_HORIZ) + yt = ConstMoveY; + + if (ConstMoveDir == MOVE_VERT) + xl = ConstMoveX; + + if (ConstMoveDir == MOVE_NONE) + { + yt = ConstMoveY; + xl = ConstMoveX; + } + } + + if (Scr->DontMoveOff && MoveFunction != F_FORCEMOVE) + { + xr = xl + w; + yb = yt + h; + + if (xl < 0) + xl = 0; + if (xr > Scr->MyDisplayWidth) + xl = Scr->MyDisplayWidth - w; + + if (yt < 0) + yt = 0; + if (yb > Scr->MyDisplayHeight) + yt = Scr->MyDisplayHeight - h; + } + + CurrentDragX = xl; + CurrentDragY = yt; + if (DragWindow == Tmp_win->frame) + SetupWindow (Tmp_win, xl, yt, + Tmp_win->frame_width, Tmp_win->frame_height, -1); + else + XMoveWindow (dpy, DragWindow, xl, yt); + + if (!Scr->NoRaiseMove && !Scr->OpaqueMove) /* opaque already did */ + XRaiseWindow(dpy, DragWindow); + + if (!Scr->OpaqueMove) + UninstallRootColormap(); + else + XSync(dpy, 0); + + if (Scr->NumAutoRaises) { + enter_flag = TRUE; + enter_win = NULL; + raise_win = ((DragWindow == Tmp_win->frame && !Scr->NoRaiseMove) + ? Tmp_win : NULL); + } + + DragWindow = (Window) 0; + ConstMove = FALSE; + } + + if (ResizeWindow != (Window) 0) + { + EndResize(); + } + + if (ActiveMenu != NULL && RootFunction == 0) + { + if (ActiveItem != NULL) + { + int func = ActiveItem->func; + Action = ActiveItem->action; + switch (func) { + case F_MOVE: + case F_FORCEMOVE: + ButtonPressed = -1; + break; + case F_CIRCLEUP: + case F_CIRCLEDOWN: + case F_REFRESH: + case F_WARPTOSCREEN: + PopDownMenu(); + break; + default: + break; + } + ExecuteFunction(func, Action, + ButtonWindow ? ButtonWindow->frame : None, + ButtonWindow, &Event/*&ButtonEvent*/, Context, TRUE); + Context = C_NO_CONTEXT; + ButtonWindow = NULL; + + /* if we are not executing a defered command, then take down the + * menu + */ + if (RootFunction == 0) + { + PopDownMenu(); + } + } + else + PopDownMenu(); + } + + mask = (Button1Mask|Button2Mask|Button3Mask|Button4Mask|Button5Mask); + switch (Event.xbutton.button) + { + case Button1: mask &= ~Button1Mask; break; + case Button2: mask &= ~Button2Mask; break; + case Button3: mask &= ~Button3Mask; break; + case Button4: mask &= ~Button4Mask; break; + case Button5: mask &= ~Button5Mask; break; + } + + if (RootFunction != 0 || + ResizeWindow != None || + DragWindow != None) + ButtonPressed = -1; + + if (RootFunction == 0 && + (Event.xbutton.state & mask) == 0 && + DragWindow == None && + ResizeWindow == None) + { + XUngrabPointer(dpy, CurrentTime); + XUngrabServer(dpy); + XFlush(dpy); + EventHandler[EnterNotify] = HandleEnterNotify; + EventHandler[LeaveNotify] = HandleLeaveNotify; + ButtonPressed = -1; + if (DownIconManager) + { + DownIconManager->down = FALSE; + if (Scr->Highlight) DrawIconManagerBorder(DownIconManager); + DownIconManager = NULL; + } + Cancel = FALSE; + } +} + + + +static void +do_menu (menu, w) + MenuRoot *menu; /* menu to pop up */ + Window w; /* invoking window or None */ +{ + int x = Event.xbutton.x_root; + int y = Event.xbutton.y_root; + Bool center; + + if (!Scr->NoGrabServer) + XGrabServer(dpy); + if (w) { + int h = Scr->TBInfo.width - Scr->TBInfo.border; + Window child; + + (void) XTranslateCoordinates (dpy, w, Scr->Root, 0, h, &x, &y, &child); + center = False; + } else { + center = True; + } + if (PopUpMenu (menu, x, y, center)) { + UpdateMenu(); + } else { + Bell(XkbBI_MinorError,0,w); + } +} + + + +/*********************************************************************** + * + * Procedure: + * HandleButtonPress - ButtonPress event handler + * + *********************************************************************** + */ +void +HandleButtonPress() +{ + unsigned int modifier; + Cursor cur; + + /* pop down the menu, if any */ + if (ActiveMenu != NULL) + PopDownMenu(); + + XSync(dpy, 0); /* XXX - remove? */ + + if (ButtonPressed != -1 && !InfoLines) /* want menus if we have info box */ + { + /* we got another butt press in addition to one still held + * down, we need to cancel the operation we were doing + */ + Cancel = TRUE; + CurrentDragX = origDragX; + CurrentDragY = origDragY; + if (!menuFromFrameOrWindowOrTitlebar) { + if (Scr->OpaqueMove && DragWindow != None) { + XMoveWindow (dpy, DragWindow, origDragX, origDragY); + } else { + MoveOutline(Scr->Root, 0, 0, 0, 0, 0, 0); + } + } + XUnmapWindow(dpy, Scr->SizeWindow); + if (!Scr->OpaqueMove) + UninstallRootColormap(); + ResizeWindow = None; + DragWindow = None; + cur = LeftButt; + if (Event.xbutton.button == Button2) + cur = MiddleButt; + else if (Event.xbutton.button >= Button3) + cur = RightButt; + + XGrabPointer(dpy, Scr->Root, True, + ButtonReleaseMask | ButtonPressMask, + GrabModeAsync, GrabModeAsync, + Scr->Root, cur, CurrentTime); + + return; + } + else + ButtonPressed = Event.xbutton.button; + + if (ResizeWindow != None || + DragWindow != None || + ActiveMenu != NULL) + return; + + /* check the title bar buttons */ + if (Tmp_win && Tmp_win->title_height && Tmp_win->titlebuttons) + { + register int i; + register TBWindow *tbw; + int nb = Scr->TBInfo.nleft + Scr->TBInfo.nright; + + for (i = 0, tbw = Tmp_win->titlebuttons; i < nb; i++, tbw++) { + if (Event.xany.window == tbw->window) { + if (tbw->info->func == F_MENU) { + Context = C_TITLE; + ButtonEvent = Event; + ButtonWindow = Tmp_win; + do_menu (tbw->info->menuroot, tbw->window); + } else { + ExecuteFunction (tbw->info->func, tbw->info->action, + Event.xany.window, Tmp_win, &Event, + C_TITLE, FALSE); + } + return; + } + } + } + + Context = C_NO_CONTEXT; + + if (Event.xany.window == Scr->InfoWindow) + Context = C_IDENTIFY; + + if (Event.xany.window == Scr->Root) + Context = C_ROOT; + if (Tmp_win) + { + if (Tmp_win->list && RootFunction != 0 && + (Event.xany.window == Tmp_win->list->w || + Event.xany.window == Tmp_win->list->icon)) + { + Tmp_win = Tmp_win->list->iconmgr->twm_win; + XTranslateCoordinates(dpy, Event.xany.window, Tmp_win->w, + Event.xbutton.x, Event.xbutton.y, + &JunkX, &JunkY, &JunkChild); + + Event.xbutton.x = JunkX; + Event.xbutton.y = JunkY - Tmp_win->title_height; + Event.xany.window = Tmp_win->w; + Context = C_WINDOW; + } + else if (Event.xany.window == Tmp_win->title_w) + { + Context = C_TITLE; + } + else if (Event.xany.window == Tmp_win->w) + { + printf("ERROR! ERROR! ERROR! YOU SHOULD NOT BE HERE!!!\n"); + Context = C_WINDOW; + } + else if (Event.xany.window == Tmp_win->icon_w) + { + Context = C_ICON; + } + else if (Event.xany.window == Tmp_win->frame) + { + /* since we now place a button grab on the frame instead + * of the window, (see GrabButtons() in add_window.c), we + * need to figure out where the pointer exactly is before + * assigning Context. If the pointer is on the application + * window we will change the event structure to look as if + * it came from the application window. + */ + if (Event.xbutton.subwindow == Tmp_win->w) { + Event.xbutton.window = Tmp_win->w; + Event.xbutton.y -= Tmp_win->title_height; +/***** + Event.xbutton.x -= Tmp_win->frame_bw; +*****/ + Context = C_WINDOW; + } + else Context = C_FRAME; + } + else if (Tmp_win->list && + (Event.xany.window == Tmp_win->list->w || + Event.xany.window == Tmp_win->list->icon)) + { + Tmp_win->list->down = TRUE; + if (Scr->Highlight) DrawIconManagerBorder(Tmp_win->list); + DownIconManager = Tmp_win->list; + Context = C_ICONMGR; + } + } + + /* this section of code checks to see if we were in the middle of + * a command executed from a menu + */ + if (RootFunction != 0) + { + if (Event.xany.window == Scr->Root) + { + /* if the window was the Root, we don't know for sure it + * it was the root. We must check to see if it happened to be + * inside of a client that was getting button press events. + */ + XTranslateCoordinates(dpy, Scr->Root, Scr->Root, + Event.xbutton.x, + Event.xbutton.y, + &JunkX, &JunkY, &Event.xany.window); + + if (Event.xany.window == 0 || + (XFindContext(dpy, Event.xany.window, TwmContext, + (caddr_t *)&Tmp_win) == XCNOENT)) + { + RootFunction = 0; + Bell(XkbBI_MinorError,0,Event.xany.window); + return; + } + + XTranslateCoordinates(dpy, Scr->Root, Event.xany.window, + Event.xbutton.x, + Event.xbutton.y, + &JunkX, &JunkY, &JunkChild); + + Event.xbutton.x = JunkX; + Event.xbutton.y = JunkY; + Context = C_WINDOW; + } + + /* make sure we are not trying to move an identify window */ + if (Event.xany.window != Scr->InfoWindow) + ExecuteFunction(RootFunction, Action, Event.xany.window, + Tmp_win, &Event, Context, FALSE); + + RootFunction = 0; + return; + } + + ButtonEvent = Event; + ButtonWindow = Tmp_win; + + /* if we get to here, we have to execute a function or pop up a + * menu + */ + modifier = (Event.xbutton.state & mods_used); + + if (Context == C_NO_CONTEXT) + return; + + RootFunction = 0; + if (Scr->Mouse[Event.xbutton.button][Context][modifier].func == F_MENU) + { + do_menu (Scr->Mouse[Event.xbutton.button][Context][modifier].menu, + (Window) None); + } + else if (Scr->Mouse[Event.xbutton.button][Context][modifier].func != 0) + { + Action = Scr->Mouse[Event.xbutton.button][Context][modifier].item ? + Scr->Mouse[Event.xbutton.button][Context][modifier].item->action : NULL; + ExecuteFunction(Scr->Mouse[Event.xbutton.button][Context][modifier].func, + Action, Event.xany.window, Tmp_win, &Event, Context, FALSE); + } + else if (Scr->DefaultFunction.func != 0) + { + if (Scr->DefaultFunction.func == F_MENU) + { + do_menu (Scr->DefaultFunction.menu, (Window) None); + } + else + { + Action = Scr->DefaultFunction.item ? + Scr->DefaultFunction.item->action : NULL; + ExecuteFunction(Scr->DefaultFunction.func, Action, + Event.xany.window, Tmp_win, &Event, Context, FALSE); + } + } +} + + + +/*********************************************************************** + * + * Procedure: + * HENQueueScanner - EnterNotify event q scanner + * + * Looks at the queued events and determines if any matching + * LeaveNotify events or EnterEvents deriving from the + * termination of a grab are behind this event to allow + * skipping of unnecessary processing. + * + *********************************************************************** + */ + +typedef struct HENScanArgs { + Window w; /* Window we are currently entering */ + Bool leaves; /* Any LeaveNotifies found for this window */ + Bool inferior; /* Was NotifyInferior the mode for LeaveNotify */ + Bool enters; /* Any EnterNotify events with NotifyUngrab */ +} HENScanArgs; + +/* ARGSUSED*/ +static Bool +HENQueueScanner(dpy, ev, args) + Display *dpy; + XEvent *ev; + char *args; +{ + if (ev->type == LeaveNotify) { + if (ev->xcrossing.window == ((HENScanArgs *) args)->w && + ev->xcrossing.mode == NotifyNormal) { + ((HENScanArgs *) args)->leaves = True; + /* + * Only the last event found matters for the Inferior field. + */ + ((HENScanArgs *) args)->inferior = + (ev->xcrossing.detail == NotifyInferior); + } + } else if (ev->type == EnterNotify) { + if (ev->xcrossing.mode == NotifyUngrab) + ((HENScanArgs *) args)->enters = True; + } + + return (False); +} + + + +/*********************************************************************** + * + * Procedure: + * HandleEnterNotify - EnterNotify event handler + * + *********************************************************************** + */ + +void +HandleEnterNotify() +{ + MenuRoot *mr; + XEnterWindowEvent *ewp = &Event.xcrossing; + HENScanArgs scanArgs; + XEvent dummy; + + /* + * Save the id of the window entered. This will be used to remove + * border highlight on entering the next application window. + */ + if (UnHighLight_win && ewp->window != UnHighLight_win->w) { + SetBorder (UnHighLight_win, False); /* application window */ + if (UnHighLight_win->list) /* in the icon box */ + NotActiveIconManager(UnHighLight_win->list); + } + if (ewp->window == Scr->Root) + UnHighLight_win = NULL; + else if (Tmp_win) + UnHighLight_win = Tmp_win; + + /* + * if we aren't in the middle of menu processing + */ + if (!ActiveMenu) { + /* + * We're not interested in pseudo Enter/Leave events generated + * from grab initiations. + */ + if (ewp->mode == NotifyGrab) + return; + + /* + * Scan for Leave and Enter Notify events to see if we can avoid some + * unnecessary processing. + */ + scanArgs.w = ewp->window; + scanArgs.leaves = scanArgs.enters = False; + (void) XCheckIfEvent(dpy, &dummy, HENQueueScanner, (char *) &scanArgs); + + /* + * if entering root window, restore twm default colormap so that + * titlebars are legible + */ + if (ewp->window == Scr->Root) { + if (!scanArgs.leaves && !scanArgs.enters) + InstallWindowColormaps(EnterNotify, &Scr->TwmRoot); + return; + } + + /* + * if we have an event for a specific one of our windows + */ + if (Tmp_win) { + /* + * If currently in PointerRoot mode (indicated by FocusRoot), then + * focus on this window + */ + if (Scr->FocusRoot && (!scanArgs.leaves || scanArgs.inferior)) { + if (Tmp_win->list) ActiveIconManager(Tmp_win->list); + if (Tmp_win->mapped) { + /* + * unhighlight old focus window + */ + if (Scr->Focus && + Scr->Focus != Tmp_win && Tmp_win->hilite_w) + XUnmapWindow(dpy, Scr->Focus->hilite_w); + + /* + * If entering the frame or the icon manager, then do + * "window activation things": + * + * 1. turn on highlight window (if any) + * 2. install frame colormap + * 3. set frame and highlight window (if any) border + * 4. focus on client window to forward typing + * 4a. same as 4 but for icon mgr w/with NoTitlebar on. + * 5. send WM_TAKE_FOCUS if requested + */ + if (ewp->window == Tmp_win->frame || + (Tmp_win->list && ewp->window == Tmp_win->list->w)) { + if (Tmp_win->hilite_w) /* 1 */ + XMapWindow (dpy, Tmp_win->hilite_w); + if (!scanArgs.leaves && !scanArgs.enters) + InstallWindowColormaps (EnterNotify, /* 2 */ + &Scr->TwmRoot); + SetBorder (Tmp_win, True); /* 3 */ + if (Tmp_win->title_w && Scr->TitleFocus && /* 4 */ + Tmp_win->wmhints && Tmp_win->wmhints->input) + SetFocus (Tmp_win, ewp->time); + if (Scr->NoTitlebar && Scr->TitleFocus && /*4a */ + Tmp_win->wmhints && Tmp_win->wmhints->input) + SetFocus (Tmp_win, ewp->time); + if (Tmp_win->protocols & DoesWmTakeFocus) /* 5 */ + SendTakeFocusMessage (Tmp_win, ewp->time); + Scr->Focus = Tmp_win; + } else if (ewp->window == Tmp_win->w) { + /* + * If we are entering the application window, install + * its colormap(s). + */ + if (!scanArgs.leaves || scanArgs.inferior) + InstallWindowColormaps(EnterNotify, Tmp_win); + } + } /* end if Tmp_win->mapped */ + if (Tmp_win->wmhints != NULL && + ewp->window == Tmp_win->wmhints->icon_window && + (!scanArgs.leaves || scanArgs.inferior)) + InstallWindowColormaps(EnterNotify, Tmp_win); + } /* end if FocusRoot */ + /* + * If this window is to be autoraised, mark it so + */ + if (Tmp_win->auto_raise) { + enter_win = Tmp_win; + if (enter_flag == FALSE) AutoRaiseWindow (Tmp_win); + } else if (enter_flag && raise_win == Tmp_win) + enter_win = Tmp_win; + /* + * set ring leader + */ + if (Tmp_win->ring.next && (!enter_flag || raise_win == enter_win)) + Scr->RingLeader = Tmp_win; + XSync (dpy, 0); + return; + } /* end if Tmp_win */ + } /* end if !ActiveMenu */ + + /* + * Find the menu that we are dealing with now; punt if unknown + */ + if (XFindContext (dpy, ewp->window, MenuContext, (caddr_t *)&mr) != XCSUCCESS) return; + + mr->entered = TRUE; + if (ActiveMenu && mr == ActiveMenu->prev && RootFunction == 0) { + if (Scr->Shadow) XUnmapWindow (dpy, ActiveMenu->shadow); + XUnmapWindow (dpy, ActiveMenu->w); + ActiveMenu->mapped = UNMAPPED; + UninstallRootColormap (); + if (ActiveItem) { + ActiveItem->state = 0; + PaintEntry (ActiveMenu, ActiveItem, False); + } + ActiveItem = NULL; + ActiveMenu = mr; + MenuDepth--; + } + return; +} + + + +/*********************************************************************** + * + * Procedure: + * HLNQueueScanner - LeaveNotify event q scanner + * + * Looks at the queued events and determines if any + * EnterNotify events are behind this event to allow + * skipping of unnecessary processing. + * + *********************************************************************** + */ + +typedef struct HLNScanArgs { + Window w; /* The window getting the LeaveNotify */ + Bool enters; /* Any EnterNotify event at all */ + Bool matches; /* Any matching EnterNotify events */ +} HLNScanArgs; + +/* ARGSUSED*/ +static Bool +HLNQueueScanner(dpy, ev, args) + Display *dpy; + XEvent *ev; + char *args; +{ + if (ev->type == EnterNotify && ev->xcrossing.mode != NotifyGrab) { + ((HLNScanArgs *) args)->enters = True; + if (ev->xcrossing.window == ((HLNScanArgs *) args)->w) + ((HLNScanArgs *) args)->matches = True; + } + + return (False); +} + + + +/*********************************************************************** + * + * Procedure: + * HandleLeaveNotify - LeaveNotify event handler + * + *********************************************************************** + */ + +void +HandleLeaveNotify() +{ + HLNScanArgs scanArgs; + XEvent dummy; + + if (Tmp_win != NULL) + { + Bool inicon; + + /* + * We're not interested in pseudo Enter/Leave events generated + * from grab initiations and terminations. + */ + if (Event.xcrossing.mode != NotifyNormal) + return; + + inicon = (Tmp_win->list && + Tmp_win->list->w == Event.xcrossing.window); + + if (Scr->RingLeader && Scr->RingLeader == Tmp_win && + (Event.xcrossing.detail != NotifyInferior && + Event.xcrossing.window != Tmp_win->w)) { + if (!inicon) { + if (Tmp_win->mapped) { + Tmp_win->ring.cursor_valid = False; + } else { + Tmp_win->ring.cursor_valid = True; + Tmp_win->ring.curs_x = (Event.xcrossing.x_root - + Tmp_win->frame_x); + Tmp_win->ring.curs_y = (Event.xcrossing.y_root - + Tmp_win->frame_y); + } + } + Scr->RingLeader = (TwmWindow *) NULL; + } + if (Scr->FocusRoot) { + + if (Event.xcrossing.detail != NotifyInferior) { + + /* + * Scan for EnterNotify events to see if we can avoid some + * unnecessary processing. + */ + scanArgs.w = Event.xcrossing.window; + scanArgs.enters = scanArgs.matches = False; + (void) XCheckIfEvent(dpy, &dummy, HLNQueueScanner, + (char *) &scanArgs); + + if ((Event.xcrossing.window == Tmp_win->frame && + !scanArgs.matches) || inicon) { + if (Tmp_win->list) NotActiveIconManager(Tmp_win->list); + if (Tmp_win->hilite_w) + XUnmapWindow (dpy, Tmp_win->hilite_w); + SetBorder (Tmp_win, False); + if (Scr->TitleFocus || + Tmp_win->protocols & DoesWmTakeFocus) + SetFocus ((TwmWindow *) NULL, Event.xcrossing.time); + Scr->Focus = NULL; + } else if (Event.xcrossing.window == Tmp_win->w && + !scanArgs.enters) { + InstallWindowColormaps (LeaveNotify, &Scr->TwmRoot); + } + } + } + XSync (dpy, 0); + return; + } +} + + + +/*********************************************************************** + * + * Procedure: + * HandleConfigureRequest - ConfigureRequest event handler + * + *********************************************************************** + */ + +void +HandleConfigureRequest() +{ + XWindowChanges xwc; + unsigned long xwcm; + int x, y, width, height, bw; + int gravx, gravy; + XConfigureRequestEvent *cre = &Event.xconfigurerequest; + +#ifdef DEBUG_EVENTS + fprintf(stderr, "ConfigureRequest\n"); + if (cre->value_mask & CWX) + fprintf(stderr, " x = %d\n", cre->x); + if (cre->value_mask & CWY) + fprintf(stderr, " y = %d\n", cre->y); + if (cre->value_mask & CWWidth) + fprintf(stderr, " width = %d\n", cre->width); + if (cre->value_mask & CWHeight) + fprintf(stderr, " height = %d\n", cre->height); + if (cre->value_mask & CWSibling) + fprintf(stderr, " above = 0x%x\n", cre->above); + if (cre->value_mask & CWStackMode) + fprintf(stderr, " stack = %d\n", cre->detail); +#endif + + /* + * Event.xany.window is Event.xconfigurerequest.parent, so Tmp_win will + * be wrong + */ + Event.xany.window = cre->window; /* mash parent field */ + if (XFindContext (dpy, cre->window, TwmContext, (caddr_t *) &Tmp_win) == + XCNOENT) + Tmp_win = NULL; + + + /* + * According to the July 27, 1988 ICCCM draft, we should ignore size and + * position fields in the WM_NORMAL_HINTS property when we map a window. + * Instead, we'll read the current geometry. Therefore, we should respond + * to configuration requests for windows which have never been mapped. + */ + if (!Tmp_win || Tmp_win->icon_w == cre->window) { + xwcm = cre->value_mask & + (CWX | CWY | CWWidth | CWHeight | CWBorderWidth); + xwc.x = cre->x; + xwc.y = cre->y; + xwc.width = cre->width; + xwc.height = cre->height; + xwc.border_width = cre->border_width; + XConfigureWindow(dpy, Event.xany.window, xwcm, &xwc); + return; + } + + if ((cre->value_mask & CWStackMode) && Tmp_win->stackmode) { + TwmWindow *otherwin; + + xwc.sibling = (((cre->value_mask & CWSibling) && + (XFindContext (dpy, cre->above, TwmContext, + (caddr_t *) &otherwin) == XCSUCCESS)) + ? otherwin->frame : cre->above); + xwc.stack_mode = cre->detail; + XConfigureWindow (dpy, Tmp_win->frame, + cre->value_mask & (CWSibling | CWStackMode), &xwc); + } + + + /* Don't modify frame_XXX fields before calling SetupWindow! */ + x = Tmp_win->frame_x; + y = Tmp_win->frame_y; + width = Tmp_win->frame_width; + height = Tmp_win->frame_height; + bw = Tmp_win->frame_bw; + + /* + * Section 4.1.5 of the ICCCM states that the (x,y) coordinates in the + * configure request are for the upper-left outer corner of the window. + * This means that we need to adjust for the additional title height as + * well as for any border width changes that we decide to allow. The + * current window gravity is to be used in computing the adjustments, just + * as when initially locating the window. Note that if we do decide to + * allow border width changes, we will need to send the synthetic + * ConfigureNotify event. + */ + GetGravityOffsets (Tmp_win, &gravx, &gravy); + + if (cre->value_mask & CWBorderWidth) { + int bwdelta = cre->border_width - Tmp_win->old_bw; /* posit growth */ + if (bwdelta && Scr->ClientBorderWidth) { /* if change allowed */ + x += gravx * bwdelta; /* change default values only */ + y += gravy * bwdelta; /* ditto */ + bw = cre->border_width; + if (Tmp_win->title_height) height += bwdelta; + x += (gravx < 0) ? bwdelta : -bwdelta; + y += (gravy < 0) ? bwdelta : -bwdelta; + } + Tmp_win->old_bw = cre->border_width; /* for restoring */ + } + + if (cre->value_mask & CWX) { /* override even if border change */ + x = cre->x - bw; + } + if (cre->value_mask & CWY) { + y = cre->y - ((gravy < 0) ? 0 : Tmp_win->title_height) - bw; + } + + if (cre->value_mask & CWWidth) { + width = cre->width; + } + if (cre->value_mask & CWHeight) { + height = cre->height + Tmp_win->title_height; + } + + if (width != Tmp_win->frame_width || height != Tmp_win->frame_height) + Tmp_win->zoomed = ZOOM_NONE; + + /* + * SetupWindow (x,y) are the location of the upper-left outer corner and + * are passed directly to XMoveResizeWindow (frame). The (width,height) + * are the inner size of the frame. The inner width is the same as the + * requested client window width; the inner height is the same as the + * requested client window height plus any title bar slop. + */ + SetupWindow (Tmp_win, x, y, width, height, bw); +} + + + +/*********************************************************************** + * + * Procedure: + * HandleShapeNotify - shape notification event handler + * + *********************************************************************** + */ +void +HandleShapeNotify () +{ + XShapeEvent *sev = (XShapeEvent *) &Event; + + if (Tmp_win == NULL) + return; + if (sev->kind != ShapeBounding) + return; + if (!Tmp_win->wShaped && sev->shaped) { + XShapeCombineMask (dpy, Tmp_win->frame, ShapeClip, 0, 0, None, + ShapeSet); + } + Tmp_win->wShaped = sev->shaped; + SetFrameShape (Tmp_win); +} + + + +/*********************************************************************** + * + * Procedure: + * HandleUnknown - unknown event handler + * + *********************************************************************** + */ + +void +HandleUnknown() +{ +#ifdef DEBUG_EVENTS + fprintf(stderr, "type = %d\n", Event.type); +#endif +} + + + +/*********************************************************************** + * + * Procedure: + * Transient - checks to see if the window is a transient + * + * Returned Value: + * TRUE - window is a transient + * FALSE - window is not a transient + * + * Inputs: + * w - the window to check + * + *********************************************************************** + */ + +int +Transient(w, propw) + Window w, *propw; +{ + return (XGetTransientForHint(dpy, w, propw)); +} + + + +/*********************************************************************** + * + * Procedure: + * FindScreenInfo - get ScreenInfo struct associated with a given window + * + * Returned Value: + * ScreenInfo struct + * + * Inputs: + * w - the window + * + *********************************************************************** + */ + +ScreenInfo * +FindScreenInfo(w) + Window w; +{ + XWindowAttributes attr; + int scrnum; + + attr.screen = NULL; + if (XGetWindowAttributes(dpy, w, &attr)) { + for (scrnum = 0; scrnum < NumScreens; scrnum++) { + if (ScreenList[scrnum] != NULL && + (ScreenOfDisplay(dpy, ScreenList[scrnum]->screen) == + attr.screen)) + return ScreenList[scrnum]; + } + } + + return NULL; +} + + + +static void flush_expose (w) + Window w; +{ + XEvent dummy; + + /* SUPPRESS 530 */ + while (XCheckTypedWindowEvent (dpy, w, Expose, &dummy)) ; +} + + + +/*********************************************************************** + * + * Procedure: + * InstallWindowColormaps - install the colormaps for one twm window + * + * Inputs: + * type - type of event that caused the installation + * tmp - for a subset of event types, the address of the + * window structure, whose colormaps are to be installed. + * + *********************************************************************** + */ +void +InstallWindowColormaps (type, tmp) + int type; + TwmWindow *tmp; +{ + int i, j, n, number_cwins, state; + ColormapWindow **cwins, *cwin, **maxcwin = NULL; + TwmColormap *cmap; + char *row, *scoreboard; + + switch (type) { + case EnterNotify: + case LeaveNotify: + case DestroyNotify: + default: + /* Save the colormap to be loaded for when force loading of + * root colormap(s) ends. + */ + Scr->cmapInfo.pushed_window = tmp; + /* Don't load any new colormap if root colormap(s) has been + * force loaded. + */ + if (Scr->cmapInfo.root_pushes) + return; + /* Don't reload the currend window colormap list. + */ + if (Scr->cmapInfo.cmaps == &tmp->cmaps) + return; + if (Scr->cmapInfo.cmaps) + for (i = Scr->cmapInfo.cmaps->number_cwins, + cwins = Scr->cmapInfo.cmaps->cwins; i-- > 0; cwins++) + (*cwins)->colormap->state &= ~CM_INSTALLABLE; + Scr->cmapInfo.cmaps = &tmp->cmaps; + break; + + case PropertyNotify: + case VisibilityNotify: + case ColormapNotify: + break; + } + + number_cwins = Scr->cmapInfo.cmaps->number_cwins; + cwins = Scr->cmapInfo.cmaps->cwins; + scoreboard = Scr->cmapInfo.cmaps->scoreboard; + + ColortableThrashing = FALSE; /* in case installation aborted */ + + state = CM_INSTALLED; + + for (i = n = 0; i < number_cwins; i++) { + cwin = cwins[i]; + cmap = cwin->colormap; + cmap->state |= CM_INSTALLABLE; + cmap->state &= ~CM_INSTALL; + cmap->w = cwin->w; + } + for (i = n = 0; i < number_cwins; i++) { + cwin = cwins[i]; + cmap = cwin->colormap; + if (cwin->visibility != VisibilityFullyObscured && + n < Scr->cmapInfo.maxCmaps) { + row = scoreboard + (i*(i-1)/2); + for (j = 0; j < i; j++) + if (row[j] && (cwins[j]->colormap->state & CM_INSTALL)) + break; + if (j != i) + continue; + n++; + maxcwin = &cwins[i]; + state &= (cmap->state & CM_INSTALLED); + cmap->state |= CM_INSTALL; + } + } + + Scr->cmapInfo.first_req = NextRequest(dpy); + + for ( ; n > 0 && maxcwin >= cwins; maxcwin--) { + cmap = (*maxcwin)->colormap; + if (cmap->state & CM_INSTALL) { + cmap->state &= ~CM_INSTALL; + if (!(state & CM_INSTALLED)) { + cmap->install_req = NextRequest(dpy); + XInstallColormap(dpy, cmap->c); + } + cmap->state |= CM_INSTALLED; + n--; + } + } +} + + + +/*********************************************************************** + * + * Procedures: + * <Uni/I>nstallRootColormap - Force (un)loads root colormap(s) + * + * These matching routines provide a mechanism to insure that + * the root colormap(s) is installed during operations like + * rubber banding or menu display that require colors from + * that colormap. Calls may be nested arbitrarily deeply, + * as long as there is one UninstallRootColormap call per + * InstallRootColormap call. + * + * The final UninstallRootColormap will cause the colormap list + * which would otherwise have be loaded to be loaded, unless + * Enter or Leave Notify events are queued, indicating some + * other colormap list would potentially be loaded anyway. + *********************************************************************** + */ +void +InstallRootColormap() +{ + TwmWindow *tmp; + if (Scr->cmapInfo.root_pushes == 0) { + /* + * The saving and restoring of cmapInfo.pushed_window here + * is a slimy way to remember the actual pushed list and + * not that of the root window. + */ + tmp = Scr->cmapInfo.pushed_window; + InstallWindowColormaps(0, &Scr->TwmRoot); + Scr->cmapInfo.pushed_window = tmp; + } + Scr->cmapInfo.root_pushes++; +} + + + +/* ARGSUSED*/ +static Bool +UninstallRootColormapQScanner(dpy, ev, args) + Display *dpy; + XEvent *ev; + char *args; +{ + if (!*args) { + if (ev->type == EnterNotify) { + if (ev->xcrossing.mode != NotifyGrab) + *args = 1; + } else if (ev->type == LeaveNotify) { + if (ev->xcrossing.mode == NotifyNormal) + + *args = 1; + } + } + return (False); +} + + +void +UninstallRootColormap() +{ + char args; + XEvent dummy; + + if (Scr->cmapInfo.root_pushes) + Scr->cmapInfo.root_pushes--; + + if (!Scr->cmapInfo.root_pushes) { + /* + * If we have subsequent Enter or Leave Notify events, + * we can skip the reload of pushed colormaps. + */ + XSync (dpy, 0); + args = 0; + (void) XCheckIfEvent(dpy, &dummy, UninstallRootColormapQScanner, &args); + + if (!args) + InstallWindowColormaps(0, Scr->cmapInfo.pushed_window); + } +} + +#ifdef TRACE +void +dumpevent (e) + XEvent *e; +{ + char *name = NULL; + + switch (e->type) { + case KeyPress: name = "KeyPress"; break; + case KeyRelease: name = "KeyRelease"; break; + case ButtonPress: name = "ButtonPress"; break; + case ButtonRelease: name = "ButtonRelease"; break; + case MotionNotify: name = "MotionNotify"; break; + case EnterNotify: name = "EnterNotify"; break; + case LeaveNotify: name = "LeaveNotify"; break; + case FocusIn: name = "FocusIn"; break; + case FocusOut: name = "FocusOut"; break; + case KeymapNotify: name = "KeymapNotify"; break; + case Expose: name = "Expose"; break; + case GraphicsExpose: name = "GraphicsExpose"; break; + case NoExpose: name = "NoExpose"; break; + case VisibilityNotify: name = "VisibilityNotify"; break; + case CreateNotify: name = "CreateNotify"; break; + case DestroyNotify: name = "DestroyNotify"; break; + case UnmapNotify: name = "UnmapNotify"; break; + case MapNotify: name = "MapNotify"; break; + case MapRequest: name = "MapRequest"; break; + case ReparentNotify: name = "ReparentNotify"; break; + case ConfigureNotify: name = "ConfigureNotify"; break; + case ConfigureRequest: name = "ConfigureRequest"; break; + case GravityNotify: name = "GravityNotify"; break; + case ResizeRequest: name = "ResizeRequest"; break; + case CirculateNotify: name = "CirculateNotify"; break; + case CirculateRequest: name = "CirculateRequest"; break; + case PropertyNotify: name = "PropertyNotify"; break; + case SelectionClear: name = "SelectionClear"; break; + case SelectionRequest: name = "SelectionRequest"; break; + case SelectionNotify: name = "SelectionNotify"; break; + case ColormapNotify: name = "ColormapNotify"; break; + case ClientMessage: name = "ClientMessage"; break; + case MappingNotify: name = "MappingNotify"; break; + } + + if (name) { + printf ("event: %s, %d remaining\n", name, QLength(dpy)); + } else { + printf ("unknown event %d, %d remaining\n", e->type, QLength(dpy)); + } +} +#endif /* TRACE */ + |