iconmgr.c

/*
 * Copyright 1989 Massachusetts Institute of Technology
 *
 * 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 permission notice appear in supporting
 * documentation, and that the name of M.I.T. not be used in advertising
 * or publicity pertaining to distribution of the software without specific,
 * written prior permission.  M.I.T. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/***********************************************************************
 *
 * $XConsortium: iconmgr.c,v 1.48 91/09/10 15:27:07 dave Exp $
 *
 * Icon Manager routines
 *
 * 09-Mar-89 Tom LaStrange		File Created
 *
 ***********************************************************************/

#include <stdio.h>
#include <string.h>
#include "twm.h"
#include "image_formats.h"
#include "util.h"
#include "menus.h"
#include "desktop.h"
#include "parse.h"
#include "screen.h"
#include "resize.h"
#include "add_window.h"
#include "prototypes.h"
#include <X11/Xos.h>
#include <X11/Xmu/CharSet.h>

#ifdef macII
int strcmp();			/* missing from string.h in AUX 2.0 */
#endif

static int ComputeIconMgrWindowHeight(IconMgr * ip);

int iconmgr_iconx = 0, iconmgr_textx = 0;

WList *Active = NULL;
WList *DownIconManager = NULL;

#define xiconify_width 11
#define xiconify_height 11

int iconifybox_width = xiconify_width;
int iconifybox_height = xiconify_height;

void
SetIconMgrPixmap(char *filename)
{
  Scr->iconMgrIconName = filename;
}

/***********************************************************************
 *
 *  Procedure:
 *	CreateIconManagers - creat all the icon manager windows
 *		for this screen.
 *
 *  Returned Value:
 *	none
 *
 *  Inputs:
 *	none
 *
 ***********************************************************************
 */

struct Colori
{
  Pixel color;
  Pixmap pix;
  struct Colori *next;
};

void
CreateIconManagers(void)
{
  XClassHint *class;
  IconMgr *p;
  int mask;
  char str[100];
  char str1[100];
  Pixel background;
  char *icon_name;

  if (Scr->NoIconManagers)
    return;

  for (p = &Scr->iconmgr; p != NULL; p = p->next)
  {
    /*
     * panel name is encoded into geometry string, e.g. "1200x20+10-10@1"
     * where "@1" is panel "1"
     */
    int tile;
    char *tile_name = strchr (p->geometry, '@');
    if (tile_name != NULL)
      *tile_name++ = '\0';
    tile = ParsePanelIndex (tile_name);

    mask = XParseGeometry(p->geometry, &JunkX, &JunkY, (unsigned int *)&p->width, (unsigned int *)&p->height);

    if (p->width > Scr->MyDisplayWidth)
      p->width = Scr->MyDisplayWidth;

    if (p->width < 1)
      p->width = 1;
    if (p->height < 1)
      p->height = 1;

#ifdef TILED_SCREEN
    if (Scr->use_tiles == TRUE)
      EnsureGeometryVisibility(tile, mask, &JunkX, &JunkY, p->width + 2 * Scr->BorderWidth, p->height + 2 * Scr->BorderWidth);
    else
#endif
    {
      if (mask & XNegative)
	JunkX += Scr->MyDisplayWidth - p->width - (2 * Scr->BorderWidth);
      if (mask & YNegative)
	JunkY += Scr->MyDisplayHeight - p->height - (2 * Scr->BorderWidth);
    }

    background = Scr->IconManagerC.back;
    GetColorFromList(Scr->IconManagerBL, p->name, (XClassHint *) NULL, &background);

    p->w = XCreateSimpleWindow(dpy, Scr->Root, JunkX, JunkY, p->width, p->height, 0, Scr->Black, background);

    snprintf(str, sizeof str, "%s Icon Manager", p->name);
    snprintf(str1, sizeof str1, "%s Icons", p->name);
    if (p->icon_name)
      icon_name = p->icon_name;
    else
      icon_name = str1;

    class = XAllocClassHint();
    class->res_name = strdup(str);
    class->res_class = strdup(VTWM_ICONMGR_CLASS);
    XSetClassHint(dpy, p->w, class);

    XSetStandardProperties(dpy, p->w, str, icon_name, None, NULL, 0, NULL);

    p->twm_win = AddWindow(p->w, TRUE, p);

    SetMapStateProp(p->twm_win, WithdrawnState);

#if defined TWM_USE_OPACITY
    SetWindowOpacity(p->twm_win->frame, Scr->IconOpacity);
#endif
  }
  for (p = &Scr->iconmgr; p != NULL; p = p->next)
  {
    GrabButtons(p->twm_win);
    GrabKeys(p->twm_win);
  }
}

/***********************************************************************
 *
 *  Procedure:
 *	AllocateIconManager - allocate a new icon manager
 *
 *  Inputs:
 *	name	- the name of this icon manager
 *	icon_name - the name of the associated icon
 *	geom	- a geometry string to eventually parse
 *	columns	- the number of columns this icon manager has
 *
 ***********************************************************************
 */

IconMgr *
AllocateIconManager(char *name, char *icon_name, char *geom, int columns)
{
  IconMgr *p;

#ifdef DEBUG_ICONMGR
  fprintf(stderr, "AllocateIconManager\n");
  fprintf(stderr, "  name=\"%s\" icon_name=\"%s\", geom=\"%s\", col=%d\n", name, icon_name, geom, columns);
#endif

  if (Scr->NoIconManagers)
    return NULL;

  p = (IconMgr *) malloc(sizeof(IconMgr));
  p->name = name;
  p->icon_name = icon_name;
  p->geometry = geom;
  p->columns = columns;
  p->first = NULL;
  p->last = NULL;
  p->active = NULL;
  p->scr = Scr;
  p->count = 0;
  p->x = 0;
  p->y = 0;
  p->width = 150;
  p->height = 10;

  Scr->iconmgr.lasti->next = p;
  p->prev = Scr->iconmgr.lasti;
  Scr->iconmgr.lasti = p;
  p->next = NULL;

  return (p);
}

/***********************************************************************
 *
 *  Procedure:
 *	MoveIconManager - move the pointer around in an icon manager
 *
 *  Inputs:
 *	dir	- one of the following:
 *			F_FORWICONMGR	- forward in the window list
 *			F_BACKICONMGR	- backward in the window list
 *			F_UPICONMGR	- up one row
 *			F_DOWNICONMGR	- down one row
 *			F_LEFTICONMGR	- left one column
 *			F_RIGHTICONMGR	- right one column
 *
 *  Special Considerations:
 *	none
 *
 ***********************************************************************
 */

void
MoveIconManager(int dir)
{
  IconMgr *ip;
  WList *tmp = NULL;
  int cur_row, cur_col, new_row, new_col;
  int row_inc, col_inc;
  int got_it;

  if (!Active)
    return;

  cur_row = Active->row;
  cur_col = Active->col;
  ip = Active->iconmgr;

  row_inc = 0;
  col_inc = 0;
  got_it = FALSE;

  switch (dir)
  {
  case F_FORWICONMGR:
    if ((tmp = Active->next) == NULL)
      tmp = ip->first;
    got_it = TRUE;
    break;

  case F_BACKICONMGR:
    if ((tmp = Active->prev) == NULL)
      tmp = ip->last;
    got_it = TRUE;
    break;

  case F_UPICONMGR:
    row_inc = -1;
    break;

  case F_DOWNICONMGR:
    row_inc = 1;
    break;

  case F_LEFTICONMGR:
    col_inc = -1;
    break;

  case F_RIGHTICONMGR:
    col_inc = 1;
    break;
  }

  /* If got_it is FALSE ast this point then we got a left, right,
   * up, or down, command.  We will enter this loop until we find
   * a window to warp to.
   */
  new_row = cur_row;
  new_col = cur_col;

  while (!got_it)
  {
    new_row += row_inc;
    new_col += col_inc;
    if (new_row < 0)
      new_row = ip->cur_rows - 1;
    if (new_col < 0)
      new_col = ip->cur_columns - 1;
    if (new_row >= ip->cur_rows)
      new_row = 0;
    if (new_col >= ip->cur_columns)
      new_col = 0;

    /* Now let's go through the list to see if there is an entry with this
     * new position
     */
    for (tmp = ip->first; tmp != NULL; tmp = tmp->next)
    {
      if (tmp->row == new_row && tmp->col == new_col)
      {
	got_it = TRUE;
	break;
      }
    }
  }

  if (!got_it)
  {
    fprintf(stderr, "%s:  unable to find window (%d, %d) in icon manager\n", ProgramName, new_row, new_col);
    return;
  }

  if (tmp == NULL)
    return;

  /* raise the frame so the icon manager is visible */
  if (ip->twm_win->mapped)
  {
    XRaiseWindow(dpy, ip->twm_win->frame);

    WarpInIconMgr(tmp, ip->twm_win);
  }
  else
  {
    RaiseStickyAbove();
    RaiseAutoPan();

    WarpToWindow(tmp->twm);
  }
}

/***********************************************************************
 *
 *  Procedure:
 *	JumpIconManager - jump from one icon manager to another,
 *		possibly even on another screen
 *
 *  Inputs:
 *	dir	- one of the following:
 *			F_NEXTICONMGR	- go to the next icon manager
 *			F_PREVICONMGR	- go to the previous one
 *
 ***********************************************************************
 */

void
JumpIconManager(register int dir)
{
  IconMgr *ip, *tmp_ip = NULL;
  int got_it = FALSE;
  ScreenInfo *sp;
  int screen;

  if (!Active)
    return;


#define ITER(i) (dir == F_NEXTICONMGR ? (i)->next : (i)->prev)
#define IPOFSP(sp) (dir == F_NEXTICONMGR ? &(sp->iconmgr) : sp->iconmgr.lasti)
#define TEST(ip) if ((ip)->count != 0 && (ip)->twm_win->mapped) \
		 { got_it = TRUE; break; }

  ip = Active->iconmgr;
  for (tmp_ip = ITER(ip); tmp_ip; tmp_ip = ITER(tmp_ip))
  {
    TEST(tmp_ip);
  }

  if (!got_it)
  {
    int origscreen = ip->scr->screen;
    int inc = (dir == F_NEXTICONMGR ? 1 : -1);

    for (screen = origscreen + inc;; screen += inc)
    {
      if (screen >= NumScreens)
	screen = 0;
      else if (screen < 0)
	screen = NumScreens - 1;

      sp = ScreenList[screen];
      if (sp)
      {
	for (tmp_ip = IPOFSP(sp); tmp_ip; tmp_ip = ITER(tmp_ip))
	{
	  TEST(tmp_ip);
	}
      }
      if (got_it || screen == origscreen)
	break;
    }
  }

#undef ITER
#undef IPOFSP
#undef TEST

  if (!got_it)
  {
    DoAudible();
    return;
  }

  /* raise the frame so it is visible */
  XRaiseWindow(dpy, tmp_ip->twm_win->frame);

  if (tmp_ip->active)
    WarpInIconMgr(tmp_ip->active, tmp_ip->twm_win);
  else
  {
    RaiseStickyAbove();
    RaiseAutoPan();

    WarpToWindow(tmp_ip->twm_win);
  }
}

/***********************************************************************
 *
 *  Procedure:
 *	AddIconManager - add a window to an icon manager
 *
 *  Inputs:
 *	tmp_win	- the TwmWindow structure
 *
 ***********************************************************************
 */

WList *
AddIconManager(TwmWindow * tmp_win)
{
  WList *tmp;
  int h;
  unsigned long valuemask;	/* mask for create windows */
  XSetWindowAttributes attributes;	/* attributes for create windows */
  IconMgr *ip;

  tmp_win->list = NULL;

  if (Scr->StrictIconManager)
  {
    if (tmp_win->icon || (!tmp_win->iconified &&
			  (tmp_win->wmhints &&
			   (tmp_win->wmhints->flags & StateHint) && tmp_win->wmhints->initial_state == IconicState)))
      ;
    else
      return NULL;
  }

  if (tmp_win->iconmgr || tmp_win->transient || Scr->NoIconManagers)
    return NULL;

  if (LookInList(Scr->IconMgrNoShow, tmp_win->full_name, &tmp_win->class))
    return NULL;
  if (Scr->IconManagerDontShow && !LookInList(Scr->IconMgrShow, tmp_win->full_name, &tmp_win->class))
    return NULL;
  if ((ip = (IconMgr *) LookInList(Scr->IconMgrs, tmp_win->full_name, &tmp_win->class)) == NULL)
    ip = &Scr->iconmgr;

  tmp = (WList *) malloc(sizeof(WList));
  tmp->iconmgr = ip;
  tmp->next = NULL;
  tmp->active = FALSE;
  tmp->down = FALSE;

  InsertInIconManager(ip, tmp, tmp_win);

  tmp->twm = tmp_win;

  tmp->cp.fore = Scr->IconManagerC.fore;
  tmp->cp.back = Scr->IconManagerC.back;

  tmp->highlight = Scr->IconManagerHighlight;

  GetColorFromList(Scr->IconManagerFL, tmp_win->full_name, &tmp_win->class, &tmp->cp.fore);
  GetColorFromList(Scr->IconManagerBL, tmp_win->full_name, &tmp_win->class, &tmp->cp.back);

  GetColorFromList(Scr->IconManagerHighlightL, tmp_win->full_name, &tmp_win->class, &tmp->highlight);

  if (!Scr->BeNiceToColormap)
    GetShadeColors(&tmp->cp);
  tmp->iconifypm = GetImage(Scr->iconMgrIconName, iconifybox_width, iconifybox_height, 0, tmp->cp);

  h = ComputeIconMgrWindowHeight(ip);

  ip->height = h * ip->count;
  tmp->me = ip->count;
  tmp->x = -1;
  tmp->y = -1;

  valuemask = (CWBackPixel | CWBorderPixel | CWEventMask | CWCursor);

  attributes.background_pixel = tmp->cp.back;
  attributes.border_pixel = tmp->cp.back;

  attributes.event_mask = (KeyPressMask | ButtonPressMask | ButtonReleaseMask | ExposureMask | EnterWindowMask | LeaveWindowMask);
  attributes.cursor = Scr->IconMgrCursor;

  if (Scr->BackingStore)
  {
    attributes.backing_store = WhenMapped;
    valuemask |= CWBackingStore;
  }

  tmp->w.win = XCreateWindow(dpy, ip->w, 0, 0, (unsigned int)1,
			     (unsigned int)h, (unsigned int)0,
			     CopyFromParent, (unsigned int)CopyFromParent, (Visual *) CopyFromParent, valuemask, &attributes);

#ifdef TWM_USE_XFT
  if (Scr->use_xft > 0)
  {
    tmp->w.xft = MyXftDrawCreate(tmp->w.win);
    CopyPixelToXftColor(tmp->cp.fore, &tmp->cp.xft);
  }
#endif

  valuemask = (CWBackPixel | CWBorderPixel | CWEventMask | CWCursor);

  attributes.background_pixel = tmp->cp.back;

  attributes.border_pixel = Scr->Black;
  attributes.event_mask = (ButtonReleaseMask | ButtonPressMask | ExposureMask);
  attributes.cursor = Scr->ButtonCursor;

  if (!iconmgr_iconx)
  {

    if (Scr->IconMgrBevelWidth > 0)
      iconmgr_iconx = Scr->IconMgrBevelWidth + 5;
    else
      iconmgr_iconx = Scr->BorderWidth + 5;
    iconmgr_textx = iconmgr_iconx + xiconify_width + 5;
  }

  tmp->icon = XCreateWindow(dpy, tmp->w.win, iconmgr_iconx, (int)(h - xiconify_height) / 2,
			    (unsigned int)xiconify_width,
			    (unsigned int)xiconify_height,
			    (unsigned int)0, CopyFromParent,
			    (unsigned int)CopyFromParent, (Visual *) CopyFromParent, valuemask, &attributes);

  ip->count += 1;
  PackIconManager(ip);
  XMapWindow(dpy, tmp->w.win);

  XSaveContext(dpy, tmp->w.win, IconManagerContext, (caddr_t) tmp);
  XSaveContext(dpy, tmp->w.win, TwmContext, (caddr_t) tmp_win);
  XSaveContext(dpy, tmp->w.win, ScreenContext, (caddr_t) Scr);
  XSaveContext(dpy, tmp->icon, TwmContext, (caddr_t) tmp_win);
  XSaveContext(dpy, tmp->icon, ScreenContext, (caddr_t) Scr);
  tmp_win->list = tmp;

  if (HandlingEvents == TRUE)
  {
    if (!ip->twm_win->icon)
    {
      XMapWindow(dpy, ip->w);
      XMapWindow(dpy, ip->twm_win->frame);
    }
    else
      XMapWindow(dpy, ip->twm_win->icon_w.win);
  }

  return (tmp);
}

/***********************************************************************
 *
 *  Procedure:
 *	InsertInIconManager - put an allocated entry into an icon
 *		manager
 *
 *  Inputs:
 *	ip	- the icon manager pointer
 *	tmp	- the entry to insert
 *
 ***********************************************************************
 */

void
InsertInIconManager(IconMgr * ip, WList * tmp, TwmWindow * tmp_win)
{
  WList *tmp1;
  int added;
  int (*compar) (const char *a, const char *b) = (Scr->CaseSensitive ? strcmp : XmuCompareISOLatin1);

  added = FALSE;
  if (ip->first == NULL)
  {
    ip->first = tmp;
    tmp->prev = NULL;
    ip->last = tmp;
    added = TRUE;
  }
  else if (Scr->SortIconMgr)
  {
    for (tmp1 = ip->first; tmp1 != NULL; tmp1 = tmp1->next)
    {
      if ((*compar) (tmp_win->icon_name, tmp1->twm->icon_name) < 0)
      {
	tmp->next = tmp1;
	tmp->prev = tmp1->prev;
	tmp1->prev = tmp;
	if (tmp->prev == NULL)
	  ip->first = tmp;
	else
	  tmp->prev->next = tmp;
	added = TRUE;
	break;
      }
    }
  }

  if (!added)
  {
    ip->last->next = tmp;
    tmp->prev = ip->last;
    ip->last = tmp;
  }
}

void
RemoveFromIconManager(IconMgr * ip, WList * tmp)
{
  if (tmp->prev == NULL)
    ip->first = tmp->next;
  else
    tmp->prev->next = tmp->next;

  if (tmp->next == NULL)
    ip->last = tmp->prev;
  else
    tmp->next->prev = tmp->prev;
}

/***********************************************************************
 *
 *  Procedure:
 *	RemoveIconManager - remove a window from the icon manager
 *
 *  Inputs:
 *	tmp_win	- the TwmWindow structure
 *
 ***********************************************************************
 */

void
RemoveIconManager(TwmWindow * tmp_win)
{
  IconMgr *ip;
  WList *tmp;

  if (tmp_win->list == NULL)
    return;

  tmp = tmp_win->list;

  if (Active == tmp)
    Active = NULL;

  /*
   * Believe it or not, the kludge in events.c:HandleKeyPress() needs
   * this, or a window that's been destroyed still registers there,
   * even though the whole mess gets freed in just a few microseconds!
   */
  /*
   * Somehwere alone the line, whatever it was got fixed, and this is
   * needed again - djhjr - 5/27/03
   */
  tmp->active = FALSE;
  tmp->iconmgr->active = NULL;

  tmp_win->list = NULL;
  ip = tmp->iconmgr;

  RemoveFromIconManager(ip, tmp);

  XDeleteContext(dpy, tmp->icon, TwmContext);
  XDeleteContext(dpy, tmp->icon, ScreenContext);
  XDestroyWindow(dpy, tmp->icon);
#ifdef TWM_USE_XFT
  if (Scr->use_xft > 0)
    MyXftDrawDestroy(tmp->w.xft);
#endif
  XDeleteContext(dpy, tmp->w.win, IconManagerContext);
  XDeleteContext(dpy, tmp->w.win, TwmContext);
  XDeleteContext(dpy, tmp->w.win, ScreenContext);
  XDestroyWindow(dpy, tmp->w.win);
  ip->count -= 1;

  free((char *)tmp);

  PackIconManager(ip);

  if (ip->count == 0)
  {
    if (ip->twm_win->icon)
      XUnmapWindow(dpy, ip->twm_win->icon_w.win);
    else

      XUnmapWindow(dpy, ip->twm_win->frame);
  }

}

void
ActiveIconManager(WList * active)
{
  active->active = TRUE;
  Active = active;
  Active->iconmgr->active = active;

  DrawIconManagerBorder(active, False);
}

void
NotActiveIconManager(WList * active)
{
  active->active = FALSE;

  DrawIconManagerBorder(active, False);
}

void
DrawIconManagerBorder(WList * tmp, int fill)
{
  ScreenInfo *scr;

  /* speedup: only draw if iconmanager window mapped: */
  if (!tmp->iconmgr->twm_win->mapped)
    return;

  scr = (ClientIsOnScreen(tmp->twm, Scr) ? Scr : FindWindowScreenInfo(&tmp->twm->attr));


  if (scr->IconMgrBevelWidth > 0)
  {
    int shadow_width;

    shadow_width = scr->IconMgrBevelWidth;

    if (tmp->active && scr->IconMgrHighlight)
      Draw3DBorder(tmp->w.win, 0, 0, tmp->width, tmp->height, shadow_width, tmp->cp, on, fill, False);
    else
      Draw3DBorder(tmp->w.win, 0, 0, tmp->width, tmp->height, shadow_width, tmp->cp, off, fill, False);
  }
  else
  {
    XSetForeground(dpy, scr->NormalGC, tmp->cp.fore);
    XDrawRectangle(dpy, tmp->w.win, scr->NormalGC, 2, 2, tmp->width - 5, tmp->height - 5);

    if (tmp->active && scr->IconMgrHighlight)
      XSetForeground(dpy, scr->NormalGC, tmp->highlight);
    else
      XSetForeground(dpy, scr->NormalGC, tmp->cp.back);

    XDrawRectangle(dpy, tmp->w.win, scr->NormalGC, 0, 0, tmp->width - 1, tmp->height - 1);
    XDrawRectangle(dpy, tmp->w.win, scr->NormalGC, 1, 1, tmp->width - 3, tmp->height - 3);
  }
}

/***********************************************************************
 *
 *  Procedure:
 *	SortIconManager - sort the dude
 *
 *  Inputs:
 *	ip	- a pointer to the icon manager struture
 *
 ***********************************************************************
 */

void
SortIconManager(IconMgr * ip)
{
  WList *tmp1, *tmp2;
  int done;
  int (*compar) (const char *a, const char *b) = (Scr->CaseSensitive ? strcmp : XmuCompareISOLatin1);

  if (ip == NULL)
    ip = Active->iconmgr;

  done = FALSE;
  do
  {
    for (tmp1 = ip->first; tmp1 != NULL; tmp1 = tmp1->next)
    {
      if ((tmp2 = tmp1->next) == NULL)
      {
	done = TRUE;
	break;
      }
      if ((*compar) (tmp1->twm->icon_name, tmp2->twm->icon_name) > 0)
      {
	/* take it out and put it back in */
	RemoveFromIconManager(ip, tmp2);
	InsertInIconManager(ip, tmp2, tmp2->twm);
	break;
      }
    }
  }
  while (!done);
  PackIconManager(ip);
}

/***********************************************************************
 *
 *  Procedure:
 *	PackIconManager - pack the icon manager windows following
 *		an addition or deletion
 *
 *  Inputs:
 *	ip	- a pointer to the icon manager struture
 *
 ***********************************************************************
 */

void
PackIconManager(IconMgr * ip)
{
  int newwidth, i, row, col, maxcol, colinc, rowinc, wheight, wwidth;
  int new_x, new_y;
  int savewidth;
  WList *tmp;

  wheight = ComputeIconMgrWindowHeight(ip);

  wwidth = ip->width / ip->columns;

  rowinc = wheight;
  colinc = wwidth;

  row = 0;
  col = ip->columns;
  maxcol = 0;
  for (i = 0, tmp = ip->first; tmp != NULL; i++, tmp = tmp->next)
  {
    tmp->me = i;
    if (++col >= ip->columns)
    {
      col = 0;
      row += 1;
    }
    if (col > maxcol)
      maxcol = col;

    new_x = col * colinc;
    new_y = (row - 1) * rowinc;

    /* if the position or size has not changed, don't touch it */
    if (tmp->x != new_x || tmp->y != new_y || tmp->width != wwidth || tmp->height != wheight)
    {
      XMoveResizeWindow(dpy, tmp->w.win, new_x, new_y, wwidth, wheight);

      tmp->row = row - 1;
      tmp->col = col;
      tmp->x = new_x;
      tmp->y = new_y;
      tmp->width = wwidth;
      tmp->height = wheight;
    }
  }
  maxcol += 1;

  ip->cur_rows = row;
  ip->cur_columns = maxcol;
  ip->height = row * rowinc;
  if (ip->height == 0)
    ip->height = rowinc;
  newwidth = maxcol * colinc;
  if (newwidth == 0)
    newwidth = colinc;

  XResizeWindow(dpy, ip->w, newwidth, ip->height);

  savewidth = ip->width;
  if (ip->twm_win)
  {

    /* limit the min and max sizes of an icon manager - djhjr - 3/1/99 */
    ip->twm_win->hints.flags |= (PMinSize | PMaxSize);
    ip->twm_win->hints.min_width = maxcol * (2 * iconmgr_iconx + xiconify_width);
    ip->twm_win->hints.min_height = ip->height;
    ip->twm_win->hints.max_width = Scr->MyDisplayWidth;
    ip->twm_win->hints.max_height = ip->height;

    SetupWindow(ip->twm_win,
		ip->twm_win->frame_x, ip->twm_win->frame_y,
		newwidth + 2 * ip->twm_win->frame_bw3D, ip->height + ip->twm_win->title_height + 2 * ip->twm_win->frame_bw3D, -1);
  }

  ip->width = savewidth;
}

/*
 * ComputeIconMgrWindowHeight()
 * scale the icon manager window height to the font used
 */
static int
ComputeIconMgrWindowHeight(IconMgr * ip)
{
  int h;

  if (Scr->IconMgrBevelWidth > 0)
  {
#ifdef TWM_USE_SPACING
    if (ip->columns > 1)	/* 100*pow(sqrt(1.2), i) for i = 2, 3, 4 */
      h = 144 * Scr->IconManagerFont.height / 100;	/* i = 4 multicolumn */
    else
      h = 131 * Scr->IconManagerFont.height / 100;	/* i = 3 unicolumn */
    if (h < Scr->IconManagerFont.height + 4)
      h = Scr->IconManagerFont.height + 4;
    h += 2 * Scr->IconMgrBevelWidth;
#else
    h = Scr->IconManagerFont.height + 2 * Scr->IconMgrBevelWidth + 4;
#endif
    if (h < (xiconify_height + 2 * Scr->IconMgrBevelWidth + 4))
      h = xiconify_height + 2 * Scr->IconMgrBevelWidth + 4;
  }
  else
  {
#ifdef TWM_USE_SPACING
    if (ip->columns > 1)
      h = 144 * Scr->IconManagerFont.height / 100;
    else
      h = 131 * Scr->IconManagerFont.height / 100;
    h += 4;			/* highlighted border */
    if (h < Scr->IconManagerFont.height + 10)
      h = Scr->IconManagerFont.height + 10;
#else
    h = Scr->IconManagerFont.height + 10;
#endif
    if (h < (xiconify_height + 4))
      h = xiconify_height + 4;
  }

  /* make height be odd so buttons look nice and centered */
  if (!(h & 1))
    h++;

  return (h);
}


/*
  Local Variables:
  mode:c
  c-file-style:"GNU"
  c-file-offsets:((substatement-open 0)(brace-list-open 0)(c-hanging-comment-ender-p . nil)(c-hanging-comment-beginner-p . nil)(comment-start . "// ")(comment-end . "")(comment-column . 48))
  End:
*/
/* vim: sw=2
*/