예제 #1
0
파일: htmlform.c 프로젝트: EMGroup/tkeden
/*
** Map any control that should be visible according to the
** current scroll position.  At the same time, if any controls that
** should not be visible are mapped, unmap them.  After this routine
** finishes, all <INPUT> controls should be in their proper places
** regardless of where they might have been before.
**
** Return the number of controls that are currently visible.
*/
int HtmlMapControls(HtmlWidget *htmlPtr){
  HtmlElement *p;     /* For looping over all controls */
  int x, y, w, h;     /* Part of the virtual canvas that is visible */
  int cnt = 0;        /* Number of visible controls */

  x = htmlPtr->xOffset;
  y = htmlPtr->yOffset;
  w = Tk_Width(htmlPtr->clipwin);
  h = Tk_Height(htmlPtr->clipwin);
  for(p=htmlPtr->firstInput; p; p=p->input.pNext){
    if( p->input.tkwin==0 ) continue;
    if( p->input.y < y+h 
     && p->input.y + p->input.h > y
     && p->input.x < x+w
     && p->input.x + p->input.w > x
    ){
      /* The control should be visible.  Make is so if it isn't already */
      Tk_MoveResizeWindow(p->input.tkwin, 
          p->input.x - x, p->input.y - y, 
          p->input.w, p->input.h);
      if( !Tk_IsMapped(p->input.tkwin) ){
        Tk_MapWindow(p->input.tkwin);
      }
      cnt++;
    }else{
      /* This control should not be visible.  Unmap it. */
      if( Tk_IsMapped(p->input.tkwin) ){
        Tk_UnmapWindow(p->input.tkwin);
      }
    }
  }
  return cnt;
}
예제 #2
0
파일: ttkManager.c 프로젝트: Starlink/tk
/* RemoveSlave --
 * 	Unmanage and delete the slave.
 *
 * NOTES/ASSUMPTIONS:
 *
 * [1] It's safe to call Tk_UnmapWindow / Tk_UnmaintainGeometry even if this
 * routine is called from the slave's DestroyNotify event handler.
 */
static void RemoveSlave(Ttk_Manager *mgr, int index)
{
    Ttk_Slave *slave = mgr->slaves[index];
    int i;

    /* Notify manager:
     */
    mgr->managerSpec->SlaveRemoved(mgr->managerData, index);

    /* Remove from array:
     */
    --mgr->nSlaves;
    for (i = index ; i < mgr->nSlaves; ++i) {
	mgr->slaves[i] = mgr->slaves[i+1];
    }

    /* Clean up:
     */
    Tk_DeleteEventHandler(
	slave->slaveWindow, SlaveEventMask, SlaveEventHandler, slave);

    /* Note [1] */
    Tk_UnmaintainGeometry(slave->slaveWindow, mgr->masterWindow);
    Tk_UnmapWindow(slave->slaveWindow);

    DeleteSlave(slave);

    ScheduleUpdate(mgr, MGR_RESIZE_REQUIRED);
}
예제 #3
0
파일: ttkManager.c 프로젝트: Starlink/tk
static void ManagerEventHandler(ClientData clientData, XEvent *eventPtr)
{
    Ttk_Manager *mgr = clientData;
    int i;

    switch (eventPtr->type)
    {
	case ConfigureNotify:
	    RecomputeLayout(mgr);
	    break;
	case MapNotify:
	    for (i = 0; i < mgr->nSlaves; ++i) {
		Ttk_Slave *slave = mgr->slaves[i];
		if (slave->flags & SLAVE_MAPPED) {
		    Tk_MapWindow(slave->slaveWindow);
		}
	    }
	    break;
	case UnmapNotify:
	    for (i = 0; i < mgr->nSlaves; ++i) {
		Ttk_Slave *slave = mgr->slaves[i];
		Tk_UnmapWindow(slave->slaveWindow);
	    }
	    break;
    }
}
예제 #4
0
파일: htmlform.c 프로젝트: EMGroup/tkeden
/*
** Unmap any input control that is currently mapped.
*/
void HtmlUnmapControls(HtmlWidget *htmlPtr){
  HtmlElement *p;

  for(p=htmlPtr->firstInput; p; p=p->input.pNext){
    if( p->input.tkwin!=0 && Tk_IsMapped(p->input.tkwin) ){
      Tk_UnmapWindow(p->input.tkwin);
    }
  }
}
예제 #5
0
파일: ttkManager.c 프로젝트: Starlink/tk
/* ++ Ttk_UnmapSlave --
 * 	Unmap the specified slave, but leave it managed.
 */
void Ttk_UnmapSlave(Ttk_Manager *mgr, int slaveIndex)
{
    Ttk_Slave *slave = mgr->slaves[slaveIndex];
    Tk_UnmaintainGeometry(slave->slaveWindow, mgr->masterWindow);
    slave->flags &= ~SLAVE_MAPPED;
    /* Contrary to documentation, Tk_UnmaintainGeometry doesn't always
     * unmap the slave:
     */
    Tk_UnmapWindow(slave->slaveWindow);
}
예제 #6
0
void
TkpHideBusyWindow(
    TkBusy busy)
{
    Busy *busyPtr = (Busy *) busy;

    if (busyPtr->tkBusy != NULL) {
	Tk_UnmapWindow(busyPtr->tkBusy);
    }
}
예제 #7
0
파일: tkTextWind.c 프로젝트: das/tcltk
static void
EmbWinDelayedUnmap(
    ClientData clientData)	/* Token for the window to be unmapped. */
{
    TkTextEmbWindowClient *client = clientData;

    if (!client->displayed && (client->tkwin != NULL)) {
	if (client->textPtr->tkwin != Tk_Parent(client->tkwin)) {
	    Tk_UnmaintainGeometry(client->tkwin, client->textPtr->tkwin);
	} else {
	    Tk_UnmapWindow(client->tkwin);
	}
    }
}
예제 #8
0
파일: Window.c 프로젝트: gitpan/tk-zinc
/*
 * A managed window turns control over
 * to another geometry manager.
 */
static void
WindowItemLostSlave(ClientData  client_data,
                    Tk_Window   win)
{
  WindowItem wind = (WindowItem) client_data;
  ZnWInfo *wi = ((ZnItem) wind)->wi;
  
  Tk_DeleteEventHandler(wi->win, StructureNotifyMask, WindowDeleted,
                        (ClientData) wind);
  if (wi->win != Tk_Parent(wind->win)) {
    Tk_UnmaintainGeometry(wind->win, wi->win);
  }
  Tk_UnmapWindow(wind->win);
  wind->win = NULL;
}
예제 #9
0
파일: tkTextWind.c 프로젝트: das/tcltk
static void
EmbWinLostSlaveProc(
    ClientData clientData,	/* Pointer to record describing window item. */
    Tk_Window tkwin)		/* Window that was claimed away by another
				 * geometry manager. */
{
    TkTextEmbWindowClient *client = clientData;
    TkTextSegment *ewPtr = client->parent;
    TkTextIndex index;
    Tcl_HashEntry *hPtr;
    TkTextEmbWindowClient *loop;

    Tk_DeleteEventHandler(client->tkwin, StructureNotifyMask,
	    EmbWinStructureProc, client);
    Tcl_CancelIdleCall(EmbWinDelayedUnmap, client);
    if (client->textPtr->tkwin != Tk_Parent(tkwin)) {
	Tk_UnmaintainGeometry(tkwin, client->textPtr->tkwin);
    } else {
	Tk_UnmapWindow(tkwin);
    }
    hPtr = Tcl_FindHashEntry(&ewPtr->body.ew.sharedTextPtr->windowTable,
	    Tk_PathName(client->tkwin));
    Tcl_DeleteHashEntry(hPtr);
    client->tkwin = NULL;
    ewPtr->body.ew.tkwin = NULL;

    /*
     * Free up the memory allocation for this client.
     */

    loop = ewPtr->body.ew.clients;
    if (loop == client) {
	ewPtr->body.ew.clients = client->next;
    } else {
	while (loop->next != client) {
	    loop = loop->next;
	}
	loop->next = client->next;
    }
    ckfree((char *) client);

    index.tree = ewPtr->body.ew.sharedTextPtr->tree;
    index.linePtr = ewPtr->body.ew.linePtr;
    index.byteIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
    TkTextChanged(ewPtr->body.ew.sharedTextPtr, NULL, &index, &index);
    TkTextInvalidateLineMetrics(ewPtr->body.ew.sharedTextPtr, NULL,
	    index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
}
예제 #10
0
파일: tkCanvWind.c 프로젝트: tcltk/tk
	/* ARGSUSED */
static void
WinItemLostSlaveProc(
    ClientData clientData,	/* WindowItem structure for slave window that
				 * was stolen away. */
    Tk_Window tkwin)		/* Tk's handle for the slave window. */
{
    WindowItem *winItemPtr = clientData;
    Tk_Window canvasTkwin = Tk_CanvasTkwin(winItemPtr->canvas);

    Tk_DeleteEventHandler(winItemPtr->tkwin, StructureNotifyMask,
	    WinItemStructureProc, winItemPtr);
    if (canvasTkwin != Tk_Parent(winItemPtr->tkwin)) {
	Tk_UnmaintainGeometry(winItemPtr->tkwin, canvasTkwin);
    }
    Tk_UnmapWindow(winItemPtr->tkwin);
    winItemPtr->tkwin = NULL;
}
예제 #11
0
파일: tkCanvWind.c 프로젝트: tcltk/tk
static void
DeleteWinItem(
    Tk_Canvas canvas,		/* Overall info about widget. */
    Tk_Item *itemPtr,		/* Item that is being deleted. */
    Display *display)		/* Display containing window for canvas. */
{
    WindowItem *winItemPtr = (WindowItem *) itemPtr;
    Tk_Window canvasTkwin = Tk_CanvasTkwin(canvas);

    if (winItemPtr->tkwin != NULL) {
	Tk_DeleteEventHandler(winItemPtr->tkwin, StructureNotifyMask,
		WinItemStructureProc, winItemPtr);
	Tk_ManageGeometry(winItemPtr->tkwin, NULL, NULL);
	if (canvasTkwin != Tk_Parent(winItemPtr->tkwin)) {
	    Tk_UnmaintainGeometry(winItemPtr->tkwin, canvasTkwin);
	}
	Tk_UnmapWindow(winItemPtr->tkwin);
    }
}
예제 #12
0
	/* ARGSUSED */
static void
PlaceLostSlaveProc(
    ClientData clientData,	/* Slave structure for slave window that was
				 * stolen away. */
    Tk_Window tkwin)		/* Tk's handle for the slave window. */
{
    register Slave *slavePtr = clientData;
    TkDisplay *dispPtr = ((TkWindow *) slavePtr->tkwin)->dispPtr;

    if (slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin)) {
	Tk_UnmaintainGeometry(slavePtr->tkwin, slavePtr->masterPtr->tkwin);
    }
    Tk_UnmapWindow(tkwin);
    UnlinkSlave(slavePtr);
    Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
	    (char *) tkwin));
    Tk_DeleteEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
	    slavePtr);
    FreeSlave(slavePtr);
}
예제 #13
0
static void
MasterStructureProc(
    ClientData clientData,	/* Pointer to Master structure for window
				 * referred to by eventPtr. */
    XEvent *eventPtr)		/* Describes what just happened. */
{
    register Master *masterPtr = clientData;
    register Slave *slavePtr, *nextPtr;
    TkDisplay *dispPtr = ((TkWindow *) masterPtr->tkwin)->dispPtr;

    switch (eventPtr->type) {
    case ConfigureNotify:
	if ((masterPtr->slavePtr != NULL)
		&& !(masterPtr->flags & PARENT_RECONFIG_PENDING)) {
	    masterPtr->flags |= PARENT_RECONFIG_PENDING;
	    Tcl_DoWhenIdle(RecomputePlacement, masterPtr);
	}
	return;
    case DestroyNotify:
	for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
		slavePtr = nextPtr) {
	    slavePtr->masterPtr = NULL;
	    nextPtr = slavePtr->nextPtr;
	    slavePtr->nextPtr = NULL;
	}
	Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->masterTable,
		(char *) masterPtr->tkwin));
	if (masterPtr->flags & PARENT_RECONFIG_PENDING) {
	    Tcl_CancelIdleCall(RecomputePlacement, masterPtr);
	}
	masterPtr->tkwin = NULL;
	if (masterPtr->abortPtr != NULL) {
	    *masterPtr->abortPtr = 1;
	}
	Tcl_EventuallyFree(masterPtr, TCL_DYNAMIC);
	return;
    case MapNotify:
	/*
	 * When a master gets mapped, must redo the geometry computation so
	 * that all of its slaves get remapped.
	 */

	if ((masterPtr->slavePtr != NULL)
		&& !(masterPtr->flags & PARENT_RECONFIG_PENDING)) {
	    masterPtr->flags |= PARENT_RECONFIG_PENDING;
	    Tcl_DoWhenIdle(RecomputePlacement, masterPtr);
	}
	return;
    case UnmapNotify:
	/*
	 * Unmap all of the slaves when the master gets unmapped, so that they
	 * don't keep redisplaying themselves.
	 */

	for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
		slavePtr = slavePtr->nextPtr) {
	    Tk_UnmapWindow(slavePtr->tkwin);
	}
	return;
    }
}
예제 #14
0
파일: tkCanvWind.c 프로젝트: tcltk/tk
static int
ConfigureWinItem(
    Tcl_Interp *interp,		/* Used for error reporting. */
    Tk_Canvas canvas,		/* Canvas containing itemPtr. */
    Tk_Item *itemPtr,		/* Window item to reconfigure. */
    int objc,			/* Number of elements in objv.  */
    Tcl_Obj *const objv[],	/* Arguments describing things to configure. */
    int flags)			/* Flags to pass to Tk_ConfigureWidget. */
{
    WindowItem *winItemPtr = (WindowItem *) itemPtr;
    Tk_Window oldWindow;
    Tk_Window canvasTkwin;

    oldWindow = winItemPtr->tkwin;
    canvasTkwin = Tk_CanvasTkwin(canvas);
    if (TCL_OK != Tk_ConfigureWidget(interp, canvasTkwin, configSpecs, objc,
	    (const char **) objv, (char *) winItemPtr, flags|TK_CONFIG_OBJS)) {
	return TCL_ERROR;
    }

    /*
     * A few of the options require additional processing.
     */

    if (oldWindow != winItemPtr->tkwin) {
	if (oldWindow != NULL) {
	    Tk_DeleteEventHandler(oldWindow, StructureNotifyMask,
		    WinItemStructureProc, winItemPtr);
	    Tk_ManageGeometry(oldWindow, NULL, NULL);
	    Tk_UnmaintainGeometry(oldWindow, canvasTkwin);
	    Tk_UnmapWindow(oldWindow);
	}
	if (winItemPtr->tkwin != NULL) {
	    Tk_Window ancestor, parent;

	    /*
	     * Make sure that the canvas is either the parent of the window
	     * associated with the item or a descendant of that parent. Also,
	     * don't allow a top-of-hierarchy window to be managed inside a
	     * canvas.
	     */

	    parent = Tk_Parent(winItemPtr->tkwin);
	    for (ancestor = canvasTkwin ;; ancestor = Tk_Parent(ancestor)) {
		if (ancestor == parent) {
		    break;
		}
		if (((Tk_FakeWin *) ancestor)->flags & TK_TOP_HIERARCHY) {
		    goto badWindow;
		}
	    }
	    if (((Tk_FakeWin *) winItemPtr->tkwin)->flags & TK_TOP_HIERARCHY){
		goto badWindow;
	    }
	    if (winItemPtr->tkwin == canvasTkwin) {
		goto badWindow;
	    }
	    Tk_CreateEventHandler(winItemPtr->tkwin, StructureNotifyMask,
		    WinItemStructureProc, winItemPtr);
	    Tk_ManageGeometry(winItemPtr->tkwin, &canvasGeomType, winItemPtr);
	}
    }
    if ((winItemPtr->tkwin != NULL)
	    && (itemPtr->state == TK_STATE_HIDDEN)) {
	if (canvasTkwin == Tk_Parent(winItemPtr->tkwin)) {
	    Tk_UnmapWindow(winItemPtr->tkwin);
	} else {
	    Tk_UnmaintainGeometry(winItemPtr->tkwin, canvasTkwin);
	}
    }

    ComputeWindowBbox(canvas, winItemPtr);
    return TCL_OK;

  badWindow:
    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
	    "can't use %s in a window item of this canvas",
	    Tk_PathName(winItemPtr->tkwin)));
    Tcl_SetErrorCode(interp, "TK", "GEOMETRY", "HIERARCHY", NULL);
    winItemPtr->tkwin = NULL;
    return TCL_ERROR;
}
예제 #15
0
파일: tkTextWind.c 프로젝트: das/tcltk
static int
EmbWinConfigure(
    TkText *textPtr,		/* Information about text widget that contains
				 * embedded window. */
    TkTextSegment *ewPtr,	/* Embedded window to be configured. */
    int objc,			/* Number of strings in objv. */
    Tcl_Obj *const objv[])	/* Array of objects describing configuration
				 * options. */
{
    Tk_Window oldWindow;
    TkTextEmbWindowClient *client;

    /*
     * Copy over client specific value before querying or setting.
     */

    client = EmbWinGetClient(textPtr, ewPtr);
    if (client != NULL) {
	ewPtr->body.ew.tkwin = client->tkwin;
    } else {
	ewPtr->body.ew.tkwin = NULL;
    }

    oldWindow = ewPtr->body.ew.tkwin;
    if (Tk_SetOptions(textPtr->interp, (char *) &ewPtr->body.ew,
	    ewPtr->body.ew.optionTable, objc, objv, textPtr->tkwin, NULL,
	    NULL) != TCL_OK) {
	return TCL_ERROR;
    }

    if (oldWindow != ewPtr->body.ew.tkwin) {
	if (oldWindow != NULL) {
	    Tcl_DeleteHashEntry(Tcl_FindHashEntry(
		    &textPtr->sharedTextPtr->windowTable,
		    Tk_PathName(oldWindow)));
	    Tk_DeleteEventHandler(oldWindow, StructureNotifyMask,
		    EmbWinStructureProc, client);
	    Tk_ManageGeometry(oldWindow, NULL, NULL);
	    if (textPtr->tkwin != Tk_Parent(oldWindow)) {
		Tk_UnmaintainGeometry(oldWindow, textPtr->tkwin);
	    } else {
		Tk_UnmapWindow(oldWindow);
	    }
	}
	if (client != NULL) {
	    client->tkwin = NULL;
	}
	if (ewPtr->body.ew.tkwin != NULL) {
	    Tk_Window ancestor, parent;
	    Tcl_HashEntry *hPtr;
	    int isNew;

	    /*
	     * Make sure that the text is either the parent of the embedded
	     * window or a descendant of that parent. Also, don't allow a
	     * top-level window to be managed inside a text.
	     */

	    parent = Tk_Parent(ewPtr->body.ew.tkwin);
	    for (ancestor = textPtr->tkwin; ; ancestor = Tk_Parent(ancestor)) {
		if (ancestor == parent) {
		    break;
		}
		if (Tk_TopWinHierarchy(ancestor)) {
		badMaster:
		    Tcl_AppendResult(textPtr->interp, "can't embed ",
			    Tk_PathName(ewPtr->body.ew.tkwin), " in ",
			    Tk_PathName(textPtr->tkwin), NULL);
		    ewPtr->body.ew.tkwin = NULL;
		    if (client != NULL) {
			client->tkwin = NULL;
		    }
		    return TCL_ERROR;
		}
	    }
	    if (Tk_TopWinHierarchy(ewPtr->body.ew.tkwin)
		    || (ewPtr->body.ew.tkwin == textPtr->tkwin)) {
		goto badMaster;
	    }

	    if (client == NULL) {
		/*
		 * Have to make the new client.
		 */

		client = (TkTextEmbWindowClient *)
			ckalloc(sizeof(TkTextEmbWindowClient));
		client->next = ewPtr->body.ew.clients;
		client->textPtr = textPtr;
		client->tkwin = NULL;
		client->chunkCount = 0;
		client->displayed = 0;
		client->parent = ewPtr;
		ewPtr->body.ew.clients = client;
	    }
	    client->tkwin = ewPtr->body.ew.tkwin;

	    /*
	     * Take over geometry management for the window, plus create an
	     * event handler to find out when it is deleted.
	     */

	    Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType, client);
	    Tk_CreateEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
		    EmbWinStructureProc, client);

	    /*
	     * Special trick!  Must enter into the hash table *after* calling
	     * Tk_ManageGeometry: if the window was already managed elsewhere
	     * in this text, the Tk_ManageGeometry call will cause the entry
	     * to be removed, which could potentially lose the new entry.
	     */

	    hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->windowTable,
		    Tk_PathName(ewPtr->body.ew.tkwin), &isNew);
	    Tcl_SetHashValue(hPtr, ewPtr);
	}
    }
    return TCL_OK;
}
예제 #16
0
int
Tk_PlaceObjCmd(
    ClientData clientData,	/* Interpreter main window. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tk_Window main_win = clientData;
    Tk_Window tkwin;
    Slave *slavePtr;
    TkDisplay *dispPtr;
    Tk_OptionTable optionTable;
    static const char *const optionStrings[] = {
	"configure", "forget", "info", "slaves", NULL
    };
    enum options { PLACE_CONFIGURE, PLACE_FORGET, PLACE_INFO, PLACE_SLAVES };
    int index;

    if (objc < 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "option|pathName args");
	return TCL_ERROR;
    }

    /*
     * Create the option table for this widget class. If it has already been
     * created, the cached pointer will be returned.
     */

     optionTable = Tk_CreateOptionTable(interp, optionSpecs);

    /*
     * Handle special shortcut where window name is first argument.
     */

    if (Tcl_GetString(objv[1])[0] == '.') {
	if (TkGetWindowFromObj(interp, main_win, objv[1],
		&tkwin) != TCL_OK) {
	    return TCL_ERROR;
	}

	/*
	 * Initialize, if that hasn't been done yet.
	 */

	dispPtr = ((TkWindow *) tkwin)->dispPtr;
	if (!dispPtr->placeInit) {
	    Tcl_InitHashTable(&dispPtr->masterTable, TCL_ONE_WORD_KEYS);
	    Tcl_InitHashTable(&dispPtr->slaveTable, TCL_ONE_WORD_KEYS);
	    dispPtr->placeInit = 1;
	}

	return ConfigureSlave(interp, tkwin, optionTable, objc-2, objv+2);
    }

    /*
     * Handle more general case of option followed by window name followed by
     * possible additional arguments.
     */

    if (TkGetWindowFromObj(interp, main_win, objv[2],
	    &tkwin) != TCL_OK) {
	return TCL_ERROR;
    }

    /*
     * Initialize, if that hasn't been done yet.
     */

    dispPtr = ((TkWindow *) tkwin)->dispPtr;
    if (!dispPtr->placeInit) {
	Tcl_InitHashTable(&dispPtr->masterTable, TCL_ONE_WORD_KEYS);
	Tcl_InitHashTable(&dispPtr->slaveTable, TCL_ONE_WORD_KEYS);
	dispPtr->placeInit = 1;
    }

    if (Tcl_GetIndexFromObjStruct(interp, objv[1], optionStrings,
	    sizeof(char *), "option", 0, &index) != TCL_OK) {
	return TCL_ERROR;
    }

    switch ((enum options) index) {
    case PLACE_CONFIGURE:
	if (objc == 3 || objc == 4) {
	    Tcl_Obj *objPtr;

	    slavePtr = FindSlave(tkwin);
	    if (slavePtr == NULL) {
		return TCL_OK;
	    }
	    objPtr = Tk_GetOptionInfo(interp, (char *) slavePtr, optionTable,
		    (objc == 4) ? objv[3] : NULL, tkwin);
	    if (objPtr == NULL) {
		return TCL_ERROR;
	    }
	    Tcl_SetObjResult(interp, objPtr);
	    return TCL_OK;
	}
	return ConfigureSlave(interp, tkwin, optionTable, objc-3, objv+3);

    case PLACE_FORGET:
	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "pathName");
	    return TCL_ERROR;
	}
	slavePtr = FindSlave(tkwin);
	if (slavePtr == NULL) {
	    return TCL_OK;
	}
	if ((slavePtr->masterPtr != NULL) &&
		(slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin))) {
	    Tk_UnmaintainGeometry(slavePtr->tkwin, slavePtr->masterPtr->tkwin);
	}
	UnlinkSlave(slavePtr);
	Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
		(char *) tkwin));
	Tk_DeleteEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
		slavePtr);
	Tk_ManageGeometry(tkwin, NULL, NULL);
	Tk_UnmapWindow(tkwin);
	FreeSlave(slavePtr);
	break;

    case PLACE_INFO:
	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "pathName");
	    return TCL_ERROR;
	}
	return PlaceInfoCommand(interp, tkwin);

    case PLACE_SLAVES: {
	Master *masterPtr;

	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "pathName");
	    return TCL_ERROR;
	}
	masterPtr = FindMaster(tkwin);
	if (masterPtr != NULL) {
	    Tcl_Obj *listPtr = Tcl_NewObj();

	    for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
		    slavePtr = slavePtr->nextPtr) {
		Tcl_ListObjAppendElement(NULL, listPtr,
			TkNewWindowObj(slavePtr->tkwin));
	    }
	    Tcl_SetObjResult(interp, listPtr);
	}
	break;
    }
    }

    return TCL_OK;
}
예제 #17
0
파일: tkTextWind.c 프로젝트: das/tcltk
void
TkTextEmbWinDisplayProc(
    TkText *textPtr,		/* Information about text widget. */
    TkTextDispChunk *chunkPtr,	/* Chunk that is to be drawn. */
    int x,			/* X-position in dst at which to draw this
				 * chunk (differs from the x-position in the
				 * chunk because of scrolling). */
    int y,			/* Top of rectangular bounding box for line:
				 * tells where to draw this chunk in dst
				 * (x-position is in the chunk itself). */
    int lineHeight,		/* Total height of line. */
    int baseline,		/* Offset of baseline from y. */
    Display *display,		/* Display to use for drawing (unused).  */
    Drawable dst,		/* Pixmap or window in which to draw
				 * (unused).  */
    int screenY)		/* Y-coordinate in text window that
				 * corresponds to y. */
{
    int lineX, windowX, windowY, width, height;
    Tk_Window tkwin;
    TkTextSegment *ewPtr = chunkPtr->clientData;
    TkTextEmbWindowClient *client = EmbWinGetClient(textPtr, ewPtr);

    if (client == NULL) {
	return;
    }

    tkwin = client->tkwin;
    if (tkwin == NULL) {
	return;
    }

    if ((x + chunkPtr->width) <= 0) {
	/*
	 * The window is off-screen; just unmap it.
	 */

	if (textPtr->tkwin != Tk_Parent(tkwin)) {
	    Tk_UnmaintainGeometry(tkwin, textPtr->tkwin);
	} else {
	    Tk_UnmapWindow(tkwin);
	}
	return;
    }

    /*
     * Compute the window's location and size in the text widget, taking into
     * account the align and stretch values for the window.
     */

    EmbWinBboxProc(textPtr, chunkPtr, 0, screenY, lineHeight, baseline,
	    &lineX, &windowY, &width, &height);
    windowX = lineX - chunkPtr->x + x;

    if (textPtr->tkwin == Tk_Parent(tkwin)) {
	if ((windowX != Tk_X(tkwin)) || (windowY != Tk_Y(tkwin))
		|| (Tk_ReqWidth(tkwin) != Tk_Width(tkwin))
		|| (height != Tk_Height(tkwin))) {
	    Tk_MoveResizeWindow(tkwin, windowX, windowY, width, height);
	}
	Tk_MapWindow(tkwin);
    } else {
	Tk_MaintainGeometry(tkwin, textPtr->tkwin, windowX, windowY,
		width, height);
    }

    /*
     * Mark the window as displayed so that it won't get unmapped.
     */

    client->displayed = 1;
}
예제 #18
0
static void
RecomputePlacement(
    ClientData clientData)	/* Pointer to Master record. */
{
    register Master *masterPtr = clientData;
    register Slave *slavePtr;
    int x, y, width, height, tmp;
    int masterWidth, masterHeight, masterX, masterY;
    double x1, y1, x2, y2;
    int abort;			/* May get set to non-zero to abort this
				 * placement operation. */

    masterPtr->flags &= ~PARENT_RECONFIG_PENDING;

    /*
     * Abort any nested call to RecomputePlacement for this window, since
     * we'll do everything necessary here, and set up so this call can be
     * aborted if necessary.
     */

    if (masterPtr->abortPtr != NULL) {
	*masterPtr->abortPtr = 1;
    }
    masterPtr->abortPtr = &abort;
    abort = 0;
    Tcl_Preserve(masterPtr);

    /*
     * Iterate over all the slaves for the master. Each slave's geometry can
     * be computed independently of the other slaves. Changes to the window's
     * structure could cause almost anything to happen, including deleting the
     * parent or child. If this happens, we'll be told to abort.
     */

    for (slavePtr = masterPtr->slavePtr; slavePtr != NULL && !abort;
	    slavePtr = slavePtr->nextPtr) {
	/*
	 * Step 1: compute size and borderwidth of master, taking into account
	 * desired border mode.
	 */

	masterX = masterY = 0;
	masterWidth = Tk_Width(masterPtr->tkwin);
	masterHeight = Tk_Height(masterPtr->tkwin);
	if (slavePtr->borderMode == BM_INSIDE) {
	    masterX = Tk_InternalBorderLeft(masterPtr->tkwin);
	    masterY = Tk_InternalBorderTop(masterPtr->tkwin);
	    masterWidth -= masterX + Tk_InternalBorderRight(masterPtr->tkwin);
	    masterHeight -= masterY +
		    Tk_InternalBorderBottom(masterPtr->tkwin);
	} else if (slavePtr->borderMode == BM_OUTSIDE) {
	    masterX = masterY = -Tk_Changes(masterPtr->tkwin)->border_width;
	    masterWidth -= 2 * masterX;
	    masterHeight -= 2 * masterY;
	}

	/*
	 * Step 2: compute size of slave (outside dimensions including border)
	 * and location of anchor point within master.
	 */

	x1 = slavePtr->x + masterX + (slavePtr->relX*masterWidth);
	x = (int) (x1 + ((x1 > 0) ? 0.5 : -0.5));
	y1 = slavePtr->y + masterY + (slavePtr->relY*masterHeight);
	y = (int) (y1 + ((y1 > 0) ? 0.5 : -0.5));
	if (slavePtr->flags & (CHILD_WIDTH|CHILD_REL_WIDTH)) {
	    width = 0;
	    if (slavePtr->flags & CHILD_WIDTH) {
		width += slavePtr->width;
	    }
	    if (slavePtr->flags & CHILD_REL_WIDTH) {
		/*
		 * The code below is a bit tricky. In order to round correctly
		 * when both relX and relWidth are specified, compute the
		 * location of the right edge and round that, then compute
		 * width. If we compute the width and round it, rounding
		 * errors in relX and relWidth accumulate.
		 */

		x2 = x1 + (slavePtr->relWidth*masterWidth);
		tmp = (int) (x2 + ((x2 > 0) ? 0.5 : -0.5));
		width += tmp - x;
	    }
	} else {
	    width = Tk_ReqWidth(slavePtr->tkwin)
		    + 2*Tk_Changes(slavePtr->tkwin)->border_width;
	}
	if (slavePtr->flags & (CHILD_HEIGHT|CHILD_REL_HEIGHT)) {
	    height = 0;
	    if (slavePtr->flags & CHILD_HEIGHT) {
		height += slavePtr->height;
	    }
	    if (slavePtr->flags & CHILD_REL_HEIGHT) {
		/*
		 * See note above for rounding errors in width computation.
		 */

		y2 = y1 + (slavePtr->relHeight*masterHeight);
		tmp = (int) (y2 + ((y2 > 0) ? 0.5 : -0.5));
		height += tmp - y;
	    }
	} else {
	    height = Tk_ReqHeight(slavePtr->tkwin)
		    + 2*Tk_Changes(slavePtr->tkwin)->border_width;
	}

	/*
	 * Step 3: adjust the x and y positions so that the desired anchor
	 * point on the slave appears at that position. Also adjust for the
	 * border mode and master's border.
	 */

	switch (slavePtr->anchor) {
	case TK_ANCHOR_N:
	    x -= width/2;
	    break;
	case TK_ANCHOR_NE:
	    x -= width;
	    break;
	case TK_ANCHOR_E:
	    x -= width;
	    y -= height/2;
	    break;
	case TK_ANCHOR_SE:
	    x -= width;
	    y -= height;
	    break;
	case TK_ANCHOR_S:
	    x -= width/2;
	    y -= height;
	    break;
	case TK_ANCHOR_SW:
	    y -= height;
	    break;
	case TK_ANCHOR_W:
	    y -= height/2;
	    break;
	case TK_ANCHOR_NW:
	    break;
	case TK_ANCHOR_CENTER:
	    x -= width/2;
	    y -= height/2;
	    break;
	}

	/*
	 * Step 4: adjust width and height again to reflect inside dimensions
	 * of window rather than outside. Also make sure that the width and
	 * height aren't zero.
	 */

	width -= 2*Tk_Changes(slavePtr->tkwin)->border_width;
	height -= 2*Tk_Changes(slavePtr->tkwin)->border_width;
	if (width <= 0) {
	    width = 1;
	}
	if (height <= 0) {
	    height = 1;
	}

	/*
	 * Step 5: reconfigure the window and map it if needed. If the slave
	 * is a child of the master, we do this ourselves. If the slave isn't
	 * a child of the master, let Tk_MaintainGeometry do the work (it will
	 * re-adjust things as relevant windows map, unmap, and move).
	 */

	if (masterPtr->tkwin == Tk_Parent(slavePtr->tkwin)) {
	    if ((x != Tk_X(slavePtr->tkwin))
		    || (y != Tk_Y(slavePtr->tkwin))
		    || (width != Tk_Width(slavePtr->tkwin))
		    || (height != Tk_Height(slavePtr->tkwin))) {
		Tk_MoveResizeWindow(slavePtr->tkwin, x, y, width, height);
	    }
            if (abort) {
                break;
            }

	    /*
	     * Don't map the slave unless the master is mapped: the slave will
	     * get mapped later, when the master is mapped.
	     */

	    if (Tk_IsMapped(masterPtr->tkwin)) {
		Tk_MapWindow(slavePtr->tkwin);
	    }
	} else {
	    if ((width <= 0) || (height <= 0)) {
		Tk_UnmaintainGeometry(slavePtr->tkwin, masterPtr->tkwin);
		Tk_UnmapWindow(slavePtr->tkwin);
	    } else {
		Tk_MaintainGeometry(slavePtr->tkwin, masterPtr->tkwin,
			x, y, width, height);
	    }
	}
    }

    masterPtr->abortPtr = NULL;
    Tcl_Release(masterPtr);
}
예제 #19
0
파일: tkCanvWind.c 프로젝트: tcltk/tk
static void
DisplayWinItem(
    Tk_Canvas canvas,		/* Canvas that contains item. */
    Tk_Item *itemPtr,		/* Item to be displayed. */
    Display *display,		/* Display on which to draw item. */
    Drawable drawable,		/* Pixmap or window in which to draw item. */
    int regionX, int regionY, int regionWidth, int regionHeight)
				/* Describes region of canvas that must be
				 * redisplayed (not used). */
{
    WindowItem *winItemPtr = (WindowItem *) itemPtr;
    int width, height;
    short x, y;
    Tk_Window canvasTkwin = Tk_CanvasTkwin(canvas);
    Tk_State state = itemPtr->state;

    if (winItemPtr->tkwin == NULL) {
	return;
    }
    if (state == TK_STATE_NULL) {
	state = Canvas(canvas)->canvas_state;
    }

    /*
     * A drawable of None is used by the canvas UnmapNotify handler
     * to indicate that we should no longer display ourselves.
     */
    if (state == TK_STATE_HIDDEN || drawable == None) {
	if (canvasTkwin == Tk_Parent(winItemPtr->tkwin)) {
	    Tk_UnmapWindow(winItemPtr->tkwin);
	} else {
	    Tk_UnmaintainGeometry(winItemPtr->tkwin, canvasTkwin);
	}
	return;
    }
    Tk_CanvasWindowCoords(canvas, (double) winItemPtr->header.x1,
	    (double) winItemPtr->header.y1, &x, &y);
    width = winItemPtr->header.x2 - winItemPtr->header.x1;
    height = winItemPtr->header.y2 - winItemPtr->header.y1;

    /*
     * If the window is completely out of the visible area of the canvas then
     * unmap it. This code used not to be present (why unmap the window if it
     * isn't visible anyway?) but this could cause the window to suddenly
     * reappear if the canvas window got resized.
     */

    if (((x + width) <= 0) || ((y + height) <= 0)
	    || (x >= Tk_Width(canvasTkwin)) || (y >= Tk_Height(canvasTkwin))) {
	if (canvasTkwin == Tk_Parent(winItemPtr->tkwin)) {
	    Tk_UnmapWindow(winItemPtr->tkwin);
	} else {
	    Tk_UnmaintainGeometry(winItemPtr->tkwin, canvasTkwin);
	}
	return;
    }

    /*
     * Reposition and map the window (but in different ways depending on
     * whether the canvas is the window's parent).
     */

    if (canvasTkwin == Tk_Parent(winItemPtr->tkwin)) {
	if ((x != Tk_X(winItemPtr->tkwin)) || (y != Tk_Y(winItemPtr->tkwin))
		|| (width != Tk_Width(winItemPtr->tkwin))
		|| (height != Tk_Height(winItemPtr->tkwin))) {
	    Tk_MoveResizeWindow(winItemPtr->tkwin, x, y, width, height);
	}
	Tk_MapWindow(winItemPtr->tkwin);
    } else {
	Tk_MaintainGeometry(winItemPtr->tkwin, canvasTkwin, x, y,
		width, height);
    }
}