/*
 * Copyright (C) 1998 Sasha Vasko <sashav@sprintmail.com>
 * Copyright (C) 1995 Bo Yang
 * Copyright (C) 1993 Robert Nation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 * 
 */

#include "../../configure.h"

#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>

#ifdef NeXT
#include <fcntl.h>
#endif

#include <X11/Intrinsic.h>
#ifdef XPM
#include <X11/xpm.h>
#endif /* XPM */

#ifdef SHAPE
#include <X11/extensions/shape.h>
#endif /* SHAPE */

#include "../../include/aftersteplib.h"
#include "../../include/afterstep.h"
#include "../../include/parse.h"
#include "../../include/misc.h"
#include "../../include/style.h"
#include "../../include/screen.h"
#include "../../include/module.h"
#include "../../include/loadimg.h"

#include "menus.h"

void
UpdateIconShape (ASWindow* tmp_win)
{
#ifdef SHAPE
  XRectangle rect;
  MyStyle* style;

  /* assume we will be shaping the icon */
  tmp_win->flags |= SHAPED_ICON;

  /* don't do anything if there's no window or the window isn't ours */
  if (tmp_win->icon_pixmap_w == None || !(tmp_win->flags & ICON_OURS))
    tmp_win->flags &= ~SHAPED_ICON;

  /* don't do anything if the background is solid */
  style = mystyle_find_or_default("ButtonPixmap");
  if (!(style->set_flags & F_BACKPIXMAP) || style->back_icon.mask == None)
    tmp_win->flags &= ~SHAPED_ICON;

  /* don't do anything if the icon pixmap is solid and covers the whole window */
  if (tmp_win->icon_p_width <= tmp_win->icon_pm_width && 
      tmp_win->icon_p_height <= tmp_win->icon_pm_height && 
      tmp_win->icon_pm_mask == None)
    tmp_win->flags &= ~SHAPED_ICON;

  /* initialize icon to completely transparent if we need to shape, else 
   * set the icon to completely opaque and return */
  if (tmp_win->flags & SHAPED_ICON)
    {
      rect.x = 0;
      rect.y = 0;
      rect.width = tmp_win->icon_p_width;
      rect.height = tmp_win->icon_p_height;
      XShapeCombineRectangles (dpy, tmp_win->icon_pixmap_w, ShapeBounding,
			       0, 0, &rect, 1, ShapeSubtract, Unsorted);
    }
  else
    {
      XShapeCombineMask (dpy, tmp_win->icon_pixmap_w, ShapeBounding, 0, 0, None, ShapeSet);
      return;
    }

  /* add background mask */
  /* the following test is redundant: */
  /* if ((style->set_flags & F_BACKPIXMAP) && style->back_icon.mask != None) */
    {
      int y;
      for (y = 0 ; y < tmp_win->icon_p_height ; y += style->back_icon.height)
        {
          int x;
          for (x = 0 ; x < tmp_win->icon_p_width ; x += style->back_icon.width)
            XShapeCombineMask (dpy, tmp_win->icon_pixmap_w, ShapeBounding, x, y, style->back_icon.mask, ShapeUnion);
        }
    }

  /* add titlebar, if necessary */
  if (!(Textures.flags & SeparateButtonTitle) && (Scr.flags & IconTitle) && !(tmp_win->flags & NOICON_TITLE))
    {
      rect.x = tmp_win->icon_t_x;
      rect.y = tmp_win->icon_t_y;
      rect.width = tmp_win->icon_t_width;
      rect.height = tmp_win->icon_t_height;
      XShapeCombineRectangles (dpy, tmp_win->icon_pixmap_w, ShapeBounding,
			       0, 0, &rect, 1, ShapeUnion, Unsorted);
    }

  /* add icon pixmap background, if necessary */
  if (tmp_win->icon_pm_mask != None)
    XShapeCombineMask (dpy, tmp_win->icon_pixmap_w, ShapeBounding, tmp_win->icon_pm_x, tmp_win->icon_pm_y, tmp_win->icon_pm_mask, ShapeUnion);
  else
    {
      rect.x = tmp_win->icon_pm_x;
      rect.y = tmp_win->icon_pm_y;
      rect.width = tmp_win->icon_pm_width;
      rect.height = tmp_win->icon_pm_height;
      XShapeCombineRectangles (dpy, tmp_win->icon_pixmap_w, ShapeBounding,
			       0, 0, &rect, 1, ShapeUnion, Unsorted);
    }
#endif
}

void
ResizeIconWindow (ASWindow* tmp_win)
{
  MyStyle* button_title_focus = mystyle_find_or_default("ButtonTitleFocus");
  MyStyle* button_title_sticky = mystyle_find_or_default("ButtonTitleSticky");
  MyStyle* button_title_unfocus = mystyle_find_or_default("ButtonTitleUnfocus");
  const char* name = tmp_win->icon_name != NULL ? tmp_win->icon_name : tmp_win->name != NULL ? tmp_win->name : "";
  int len, width, height, t_width, t_height;

  /* set the base icon size */
  tmp_win->icon_p_width = tmp_win->icon_pm_width;
  tmp_win->icon_p_height = tmp_win->icon_pm_height;
  tmp_win->icon_t_x = tmp_win->icon_t_y = 0;
  tmp_win->icon_t_width = tmp_win->icon_t_height = 0;
  tmp_win->icon_pm_x = tmp_win->icon_pm_y = 0;

  /* calculate the icon title width and height */
  len = strlen(name);
  mystyle_get_text_geometry (button_title_focus, name, len, &t_width, &t_height);
  mystyle_get_text_geometry (button_title_sticky, name, len, &width, &height);
  t_width = MAX(t_width, width);
  t_height = MAX(t_height, height);
  mystyle_get_text_geometry (button_title_unfocus, name, len, &width, &height);
  t_width = MAX(t_width, width);
  t_height = MAX(t_height, height);
  
  /* take care of icon title */
  if ((Scr.flags & IconTitle) && !(tmp_win->flags & NOICON_TITLE))
    {
      if (Textures.flags & SeparateButtonTitle)
        {
          tmp_win->icon_t_x = 0;
          tmp_win->icon_t_y = 0;
          tmp_win->icon_t_width = t_width + 6;
          tmp_win->icon_t_height = t_height + 6;
        }
      else
        {
          tmp_win->icon_t_x = 0;
          tmp_win->icon_t_y = 0;
          tmp_win->icon_t_width = tmp_win->icon_p_width;
          tmp_win->icon_t_height = t_height + 2;
          tmp_win->icon_p_height += tmp_win->icon_t_height;
          tmp_win->icon_pm_y += t_height + 2;
        }
    }

  /* if the icon is ours, add a border around it */
  if ((tmp_win->flags & ICON_OURS) && (tmp_win->icon_p_height > 0) && 
      !(Textures.flags & IconNoBorder))
    {
      tmp_win->icon_p_width += 4;
      tmp_win->icon_p_height += 4;
      tmp_win->icon_pm_x += 2;
      tmp_win->icon_pm_y += 2;

      /* title goes inside the border */
      if ((Scr.flags & IconTitle) && !(tmp_win->flags & NOICON_TITLE) && !(Textures.flags & SeparateButtonTitle))
        {
          tmp_win->icon_t_x = 2;
          tmp_win->icon_t_y = 2;
        }
    }

  /* honor ButtonSize */
  if (Scr.ButtonWidth > 0)
    {
      /* title goes inside the border */
      if ((Scr.flags & IconTitle) && !(tmp_win->flags & NOICON_TITLE) && !(Textures.flags & SeparateButtonTitle))
        tmp_win->icon_t_width -= tmp_win->icon_p_width - Scr.ButtonWidth;
      tmp_win->icon_pm_x -= (tmp_win->icon_p_width - Scr.ButtonWidth) / 2;
      tmp_win->icon_p_width = Scr.ButtonWidth;
    }
  if (Scr.ButtonHeight > 0)
    {
      tmp_win->icon_pm_y -= (tmp_win->icon_p_height - Scr.ButtonHeight) / 2;
      tmp_win->icon_p_height = Scr.ButtonHeight;
    }
}

/****************************************************************************
 *
 * Creates an icon window as needed
 *
 ****************************************************************************/
void
CreateIconWindow (ASWindow * tmp_win)
{
  unsigned long valuemask;		/* mask for create windows */
  XSetWindowAttributes attributes;	/* attributes for create windows */

  tmp_win->flags &= ~(ICON_OURS | XPM_FLAG | PIXMAP_OURS | SHAPED_ICON);
  tmp_win->icon_pixmap_w = None;
  tmp_win->icon_pm_pixmap = None;
  tmp_win->icon_pm_mask = None;	/* messo io */
  tmp_win->icon_pm_depth = 0;

  if (tmp_win->flags & SUPPRESSICON)
    return;

  /* First, see if it was specified in config. files  */
  tmp_win->icon_pm_file = SearchIcon (tmp_win);
  GetIcon (tmp_win);
  ResizeIconWindow(tmp_win);

  valuemask = CWBorderPixel | CWCursor | CWEventMask | CWBackPixmap;
  attributes.background_pixmap = ParentRelative;
  attributes.border_pixel = BlackPixel (dpy, Scr.screen);
  attributes.cursor = Scr.ASCursors[DEFAULT];
  attributes.event_mask = (ButtonPressMask | ButtonReleaseMask |
			   ExposureMask | KeyPressMask | EnterWindowMask |
			   FocusChangeMask);

  if ((Textures.flags & SeparateButtonTitle) && (Scr.flags & IconTitle) && !(tmp_win->flags & NOICON_TITLE))
    tmp_win->icon_title_w =
      XCreateWindow (dpy, Scr.Root, -999, -999, 16, 16, 0,
		     CopyFromParent, CopyFromParent, CopyFromParent,
		     valuemask, &attributes);

  if ((tmp_win->flags & ICON_OURS) && 
      tmp_win->icon_p_width > 0 && tmp_win->icon_p_height > 0)
    {
      tmp_win->icon_pixmap_w =
	XCreateWindow (dpy, Scr.Root, -999, -999, 16, 16, 0, 
		       CopyFromParent, CopyFromParent, CopyFromParent,
		       valuemask, &attributes);
    }
  else
    {
      attributes.event_mask = (ButtonPressMask | ButtonReleaseMask |
			       KeyPressMask | EnterWindowMask |
			       FocusChangeMask | LeaveWindowMask);

      valuemask = CWEventMask;
      XChangeWindowAttributes (dpy, tmp_win->icon_pixmap_w, valuemask,
			       &attributes);
    }

#ifdef SHAPE
  UpdateIconShape(tmp_win);
#endif /* SHAPE */

  if (tmp_win->icon_title_w != None)
    {
      XSaveContext (dpy, tmp_win->icon_title_w, ASContext, (caddr_t) tmp_win);
      XDefineCursor (dpy, tmp_win->icon_title_w, Scr.ASCursors[DEFAULT]);
      GrabIconButtons (tmp_win, tmp_win->icon_title_w);
      GrabIconKeys (tmp_win, tmp_win->icon_title_w);
    }

  if (tmp_win->icon_pixmap_w != None)
    {
      XSaveContext (dpy, tmp_win->icon_pixmap_w, ASContext, (caddr_t) tmp_win);
      XDefineCursor (dpy, tmp_win->icon_pixmap_w, Scr.ASCursors[DEFAULT]);
      GrabIconButtons (tmp_win, tmp_win->icon_pixmap_w);
      GrabIconKeys (tmp_win, tmp_win->icon_pixmap_w);
    }
}


/****************************************************************************
 *
 * Draws the icon window
 *
 ****************************************************************************/
void
DrawIconWindow (ASWindow * win)
{
  GC ForeGC, BackGC, Shadow, Relief;
  const char* name = win->icon_name != NULL ? win->icon_name : win->name != NULL ? win->name : "";
  MyStyle *button_pixmap, *button_title;

  if (win->flags & SUPPRESSICON)
    return;

  /* flush any waiting expose events */
  if (win->icon_title_w != None)
    flush_expose (win->icon_title_w);

  if (win->icon_pixmap_w != None)
    flush_expose (win->icon_pixmap_w);

  /* decide which styles we'll use */
  button_pixmap = mystyle_find_or_default("ButtonPixmap");
  if (Scr.Hilite == win)
    button_title = mystyle_find_or_default("ButtonTitleFocus");
  else if (win->flags & STICKY)
    button_title = mystyle_find_or_default("ButtonTitleSticky");
  else
    button_title = mystyle_find_or_default("ButtonTitleUnfocus");

  /* draw the icon pixmap window */
  if ((win->flags & ICON_OURS) && win->icon_pixmap_w != None)
    {
      /* reset the icon title window's width */
      XMoveResizeWindow (dpy, win->icon_pixmap_w, win->icon_p_x, 
                         win->icon_p_y, win->icon_p_width, 
                         win->icon_p_height);

      /* draw the background */
      SetBackgroundTexture (win, win->icon_pixmap_w, button_pixmap, None);

      /* set the GCs for the button pixmap first */
      mystyle_get_global_gcs (button_pixmap, &ForeGC, &BackGC, &Relief, &Shadow);

      /* draw the icon pixmap */
      if (win->icon_pm_pixmap != None)
        {
          if (win->icon_pm_mask)
	    {
	      XSetClipOrigin (dpy, ForeGC, win->icon_pm_x, win->icon_pm_y);
	      XSetClipMask (dpy, ForeGC, win->icon_pm_mask);
	    }

          if (win->icon_pm_depth == Scr.d_depth)
            XCopyArea (dpy, win->icon_pm_pixmap, win->icon_pixmap_w, 
                       ForeGC, 0, 0, win->icon_pm_width, 
                       win->icon_pm_height, win->icon_pm_x, win->icon_pm_y);
          else
            XCopyPlane (dpy, win->icon_pm_pixmap, win->icon_pixmap_w, 
                        ForeGC, 0, 0, win->icon_pm_width, 
                        win->icon_pm_height, win->icon_pm_x, win->icon_pm_y, 1);

          if (win->icon_pm_mask)
	    XSetClipMask (dpy, ForeGC, None);
        }

      /* draw the relief */
      if (!(win->flags & SHAPED_ICON) && !(Textures.flags & IconNoBorder))
        RelieveWindow (win, win->icon_pixmap_w, 0, 0,
		       win->icon_p_width, win->icon_p_height,
		       Relief, Shadow, FULL_HILITE);

      /* draw the title text, if necessary */
      if (!(Textures.flags & SeparateButtonTitle) && (Scr.flags & IconTitle) && !(win->flags & NOICON_TITLE))
        {
          int x, y, w, h;
          mystyle_get_text_geometry (button_title, name, strlen(name), &w, &h);
          /* if icon title is too large for the available space, show the first part */
          x = win->icon_t_x + MAX(0, (win->icon_t_width - w) / 2);
          y = win->icon_t_y + MAX(0, (win->icon_t_height - h) / 2);
          mystyle_get_global_gcs (button_title, &ForeGC, &BackGC, &Relief, &Shadow);
          XFillRectangle (dpy, win->icon_pixmap_w, BackGC, win->icon_t_x, win->icon_t_y,
			  win->icon_t_width, win->icon_t_height);
	  mystyle_draw_text (win->icon_pixmap_w, button_title, name, x, y + button_title->font.y);
        }
    }

  /* draw the icon title window */
  if (win->icon_title_w != None)
    {
      int x, y, w, h;
      /* if there is no icon pixmap window, the effective icon width is 
       * the same as the title width */
      int p_width = (win->icon_pixmap_w == None) ? win->icon_t_width : win->icon_p_width;
      /* if this is the focus window, show the whole title */
      int t_width = (Scr.Hilite == win) ? win->icon_t_width : p_width;

      /* reset the window width */
      XMoveResizeWindow (dpy, win->icon_title_w, 
			 win->icon_p_x - (t_width - p_width) / 2, 
			 win->icon_p_y + win->icon_p_height,
			 t_width, win->icon_t_height);

      /* draw the background */
      SetBackgroundTexture (win, win->icon_title_w, button_title, None);

      /* setup our GCs */
      mystyle_get_global_gcs (button_title, &ForeGC, &BackGC, &Relief, &Shadow);

      /* draw the relief */
      RelieveWindow (win, win->icon_title_w, win->icon_t_x, win->icon_t_y, t_width,
		     win->icon_t_height, Relief, Shadow, FULL_HILITE);

      /* place the text */
      mystyle_get_text_geometry (button_title, name, strlen(name), &w, &h);
      x = win->icon_t_x + 3 + MAX(0, ((t_width - 6) - w) / 2);
      y = (win->icon_t_height - h) / 2;
      y = (win->icon_t_height - h) / 2;

      /* draw the icon title */
      mystyle_draw_text (win->icon_title_w, button_title, name, x, y + button_title->font.y);
    }
}


void
AutoPlaceStickyIcons (void)
{
  ASWindow *t;
  /* first pass: move the icons so they don't interfere with each other */
  for (t = Scr.ASRoot.next; t != NULL; t = t->next)
    {
      if (((t->flags & STICKY) || (Scr.flags & StickyIcons)) &&
	  (t->flags & ICONIFIED) && (!(t->flags & ICON_MOVED)) &&
	  (!(t->flags & ICON_UNMAPPED)))
	t->icon_p_x = t->icon_p_y = -999;
    }
  /* second pass: autoplace the icons */
  for (t = Scr.ASRoot.next; t != NULL; t = t->next)
    {
      if (((t->flags & STICKY) || (Scr.flags & StickyIcons)) &&
	  (t->flags & ICONIFIED) && (!(t->flags & ICON_MOVED)) &&
	  (!(t->flags & ICON_UNMAPPED)))
	AutoPlace (t);
    }
}

/***********************************************************************
 *
 *  Procedure:
 *	AutoPlace - Find a home for an icon
 *
 ************************************************************************/
void
AutoPlace (ASWindow * t)
{
  int base_x, base_y;

  /* New! Put icon in same page as the center of the window */
  /* Not a good idea for StickyIcons */
  if ((Scr.flags & StickyIcons) || (t->flags & STICKY))
    {
      base_x = 0;
      base_y = 0;
    }
  else
    {
      base_x = ((t->frame_x + Scr.Vx + (t->frame_width >> 1)) /
		Scr.MyDisplayWidth) * Scr.MyDisplayWidth - Scr.Vx;
      base_y = ((t->frame_y + Scr.Vy + (t->frame_height >> 1)) /
		Scr.MyDisplayHeight) * Scr.MyDisplayHeight - Scr.Vy;
    }
  if (t->flags & ICON_MOVED)
    {
      /* just make sure the icon is on this screen */
      t->icon_p_x = t->icon_p_x % Scr.MyDisplayWidth + base_x;
      t->icon_p_y = t->icon_p_y % Scr.MyDisplayHeight + base_y;
      if (t->icon_p_x < 0)
	t->icon_p_x += Scr.MyDisplayWidth;
      if (t->icon_p_y < 0)
	t->icon_p_y += Scr.MyDisplayHeight;
    }
  else if (t->wmhints && (t->wmhints->flags & IconPositionHint))
    {
      t->icon_p_x = t->wmhints->icon_x;
      t->icon_p_y = t->wmhints->icon_y;
    }
  else
    {
      int i, real_x = 0, real_y = 0, width, height;
      int loc_ok = 0;
      unsigned long flags = t->flags;

      /* hack -- treat window as iconified for placement */
      t->flags |= ICONIFIED;

      get_window_geometry(t, t->flags, NULL, NULL, &width, &height);

      if ( width ) width += 2 * t->bw;
      if ( height ) height += 2 * t->bw;
      /* check all boxes in order */
      for (i = 0 ; i < Scr.NumBoxes && !loc_ok ; i++)
	{
	  int twidth = width, theight = height;

	  /* If the window is taller than the icon box, ignore the icon height
	   * when figuring where to put it. Same goes for the width. This 
	   * should permit reasonably graceful handling of big icons. */
	  if (twidth >= Scr.IconBoxes[i][2] - Scr.IconBoxes[i][0])
	    twidth = Scr.IconBoxes[i][2] - Scr.IconBoxes[i][0];
	  if (theight >= Scr.IconBoxes[i][3] - Scr.IconBoxes[i][1])
	    theight = Scr.IconBoxes[i][3] - Scr.IconBoxes[i][1];

	  loc_ok = SmartPlacement(t, &real_x, &real_y, twidth, theight, 
				  Scr.IconBoxes[i][0] + base_x, 
				  Scr.IconBoxes[i][1] + base_y, 
				  Scr.IconBoxes[i][2] - Scr.IconBoxes[i][0], 
				  Scr.IconBoxes[i][3] - Scr.IconBoxes[i][1], 
				  0);
	  if (!loc_ok)
	    loc_ok = SmartPlacement(t, &real_x, &real_y, twidth, theight, 
				    Scr.IconBoxes[i][0] + base_x, 
				    Scr.IconBoxes[i][1] + base_y, 
				    Scr.IconBoxes[i][2] - Scr.IconBoxes[i][0], 
				    Scr.IconBoxes[i][3] - Scr.IconBoxes[i][1], 
				    1);

	  /* right-align or bottom-align the icon as necessary */
	  if (twidth < width && Scr.MyDisplayWidth - Scr.IconBoxes[i][2] < Scr.IconBoxes[i][0])
	    real_x = Scr.IconBoxes[i][2] - width;
	  if (theight < height && Scr.MyDisplayHeight - Scr.IconBoxes[i][3] < Scr.IconBoxes[i][1])
	    real_y = Scr.IconBoxes[i][3] - height;
	}
      /* provide a default location, in case we have no icon boxes, 
       * or none of the icon boxes are suitable */
      if (!loc_ok)
	{
	  real_x = 0;
	  real_y = 0;
	}
      t->icon_p_x = real_x;
      t->icon_p_y = real_y;

      /* restore original flags value */
      t->flags = flags;
    }

  if (t->icon_pixmap_w != None)
    XMoveWindow (dpy, t->icon_pixmap_w, t->icon_p_x, t->icon_p_y);

  if (t->icon_title_w != None)
    XMoveWindow (dpy, t->icon_title_w, t->icon_p_x, t->icon_p_y + t->icon_p_height);

  Broadcast (M_ICON_LOCATION, 7, t->w, t->frame,
	     (unsigned long) t,
	     t->icon_p_x, t->icon_p_y,
	     t->icon_p_width, t->icon_p_height);
}

/***********************************************************************
 *
 *  Procedure:
 *	GrabIconButtons - grab needed buttons for the icon window
 *
 *  Inputs:
 *	tmp_win - the afterstep window structure to use
 *
 ***********************************************************************/
void
GrabIconButtons (ASWindow * tmp_win, Window w)
{
  MouseButton *MouseEntry;

  MouseEntry = Scr.MouseButtonRoot;
  while (MouseEntry != (MouseButton *) 0)
    {
      if ((MouseEntry->func != (int) 0) && (MouseEntry->Context & C_ICON))
	{
	  if (MouseEntry->Button > 0)
	    MyXGrabButton (dpy, MouseEntry->Button, MouseEntry->Modifier, w,
			   True, ButtonPressMask | ButtonReleaseMask,
			   GrabModeAsync, GrabModeAsync, None,
			   Scr.ASCursors[DEFAULT]);
	  else
	    {
	      int i;
	      for (i = 0; i < MAX_BUTTONS; i++)
		{
		  MyXGrabButton (dpy, i + 1, MouseEntry->Modifier, w,
				 True, ButtonPressMask | ButtonReleaseMask,
				 GrabModeAsync, GrabModeAsync, None,
				 Scr.ASCursors[DEFAULT]);
		}
	    }
	}
      MouseEntry = MouseEntry->NextButton;
    }
  return;
}



/***********************************************************************
 *
 *  Procedure:
 *	GrabIconKeys - grab needed keys for the icon window
 *
 *  Inputs:
 *	tmp_win - the afterstep window structure to use
 *
 ***********************************************************************/
void
GrabIconKeys (ASWindow * tmp_win, Window w)
{
  FuncKey *tmp;
  for (tmp = Scr.FuncKeyRoot; tmp != NULL; tmp = tmp->next)
      if (tmp->cont & C_ICON)
	  MyXGrabKey (dpy, tmp->keycode, tmp->mods, w, True,
		      GrabModeAsync, GrabModeAsync);
  return;
}


/***********************************************************************
 *
 *  Procedure:
 *	DeIconify a window
 *
 ***********************************************************************/
void
DeIconify (ASWindow * tmp_win)
{
  ASWindow *t, *tn, *tmp;
  int new_x, new_y, w2, h2;

  /* now de-iconify transients */
  for (t = Scr.ASRoot.next; t != NULL; t = tn)
    {
      tn = t->next;
      if ((t == tmp_win) ||
	  ((t->flags & TRANSIENT) && (t->transientfor == tmp_win->w)))
	{
	  t->flags |= MAPPED;
	  if (Scr.flags & StubbornIcons)
	    t->Desk = t->DeIconifyDesk;
	  else
	    t->Desk = Scr.CurrentDesk;
          aswindow_set_desk_property (t, t->Desk);

	  if (Scr.Hilite == t)
	    SetBorder (t, False, True, True, None);
	  /* make sure that the window is on this screen */
	  if ((t->frame_x < 0) || (t->frame_y < 0) ||
	      (t->frame_x >= Scr.MyDisplayWidth) ||
	      (t->frame_y >= Scr.MyDisplayHeight))
	    {
	      /* try to put at least half the window
	       * in the current screen, if the current desktop
	       * is the windows desktop */
	      if (t->Desk == Scr.CurrentDesk)
		{
		  new_x = t->frame_x;
		  new_y = t->frame_y;
		  w2 = (t->frame_width >> 1);
		  h2 = (t->frame_height >> 1);
		  if (!(Scr.flags & StubbornIcons))
		    {
		      if ((new_x < -w2) || (new_x > (Scr.MyDisplayWidth - w2)))
			{
			  new_x = new_x % Scr.MyDisplayWidth;
			  if (new_x < -w2)
			    new_x += Scr.MyDisplayWidth;
			}
		      if ((new_y < -h2) || (new_y > (Scr.MyDisplayHeight - h2)))
			{
			  new_y = new_y % Scr.MyDisplayHeight;
			  if (new_y < -h2)
			    new_y += Scr.MyDisplayHeight;
			}
		    }
		  SetupFrame (t, new_x, new_y,
			      t->frame_width, t->frame_height, False);
		}
	    }
	  if (t->icon_pixmap_w != None)
	    XUnmapWindow (dpy, t->icon_pixmap_w);
	  if (t->icon_title_w != None)
	    XUnmapWindow (dpy, t->icon_title_w);
	  Broadcast (M_DEICONIFY, 5, t->w, t->frame, (unsigned long) t,
		     t->icon_p_x, t->icon_p_y);
	  XFlush (dpy);

	  XMapWindow (dpy, t->w);
	  if (t->Desk == Scr.CurrentDesk)
	    {
	      XMapWindow (dpy, t->frame);
	      t->flags |= MAP_PENDING;
	    }
	  XMapWindow (dpy, t->Parent);
	  SetMapStateProp (t, NormalState);
	  t->flags &= ~ICONIFIED;
	  t->flags &= ~ICON_UNMAPPED;
	  /* Need to make sure the border is colored correctly,
	   * in case it was stuck or unstuck while iconified. */
	  tmp = Scr.Hilite;
	  Scr.Hilite = t;
	  SetBorder (t, False, True, True, None);
	  Scr.Hilite = tmp;
	  XRaiseWindow (dpy, t->w);
	  /* this is overkill, but need to tell modules about desk change */
	  /*if (t->Desk != t->DeIconifyDesk) */
	  /* removed by sasha due to problems with pager when StickyPagerIcons is set.
	     in this case Pager changes Desk for window while traveling between desks,
	     and deiconifyes  it on wrong desk */
	  BroadcastConfig (M_CONFIGURE_WINDOW, t);
	}
    }

  if ((Scr.flags & StubbornIcons) || (Scr.flags & ClickToFocus))
    FocusOn (tmp_win, 1, False);
  else 
    RaiseWindow (tmp_win);

  /* autoplace sticky icons so they don't wind up over a stationary icon */
  AutoPlaceStickyIcons ();
}


/****************************************************************************
 *
 * Iconifies the selected window
 *
 ****************************************************************************/
void
Iconify (ASWindow * tmp_win)
{
  ASWindow *t;
  XWindowAttributes winattrs;
  unsigned long eventMask;

  XGetWindowAttributes (dpy, tmp_win->w, &winattrs);
  eventMask = winattrs.your_event_mask;

  if ((tmp_win) && (tmp_win == Scr.Hilite) &&
      (Scr.flags & ClickToFocus) && (tmp_win->next))
    {
      SetFocus (tmp_win->next->w, tmp_win->next, False);
    }
  /* iconify transients first */
  for (t = Scr.ASRoot.next; t != NULL; t = t->next)
    {
      if ((t == tmp_win) ||
	  ((t->flags & TRANSIENT) && (t->transientfor == tmp_win->w)))
	{
	  /*
	   * Prevent the receipt of an UnmapNotify, since that would
	   * cause a transition to the Withdrawn state.
	   */
	  t->flags &= ~MAPPED;
	  XSelectInput (dpy, t->w, eventMask & ~StructureNotifyMask);
	  XUnmapWindow (dpy, t->w);
	  XSelectInput (dpy, t->w, eventMask);
	  XUnmapWindow (dpy, t->frame);
	  t->DeIconifyDesk = t->Desk;
	  if (t->icon_title_w != None)
	    XUnmapWindow (dpy, t->icon_title_w);
	  if (t->icon_pixmap_w)
	    XUnmapWindow (dpy, t->icon_pixmap_w);

	  SetMapStateProp (t, IconicState);
	  SetBorder (t, False, False, False, None);
	  if (t != tmp_win)
	    {
	      t->flags |= ICONIFIED | ICON_UNMAPPED;

	      Broadcast (M_ICONIFY, 7, t->w, t->frame,
			 (unsigned long) t,
			 -10000, -10000,
			 t->icon_p_width,
			 t->icon_p_height);
	      BroadcastConfig (M_CONFIGURE_WINDOW, t);
	    }
	}
    }

  if (tmp_win->icon_pixmap_w == None && tmp_win->icon_title_w == None)
    CreateIconWindow (tmp_win);

  tmp_win->flags |= ICONIFIED;
  tmp_win->flags &= ~ICON_UNMAPPED;
  AutoPlace (tmp_win);

  XFlush (dpy);

  /* handle any redraw events that the unmap may have caused */
  while (XPending (dpy))
    {
      My_XNextEvent (dpy, &Event);
      DispatchEvent ();
    }

  Broadcast (M_ICONIFY, 7, tmp_win->w, tmp_win->frame,
	     (unsigned long) tmp_win,
	     tmp_win->icon_p_x, tmp_win->icon_p_y,
	     tmp_win->icon_p_width,
	     tmp_win->icon_p_height);
  BroadcastConfig (M_CONFIGURE_WINDOW, tmp_win);

/* twice else Animate causes bad redraws */

  XFlush (dpy);

  LowerWindow (tmp_win);
  if (tmp_win->Desk == Scr.CurrentDesk)
    {
      if (tmp_win->icon_pixmap_w != None)
	XMapWindow (dpy, tmp_win->icon_pixmap_w);
      if (tmp_win->icon_title_w != None)
	XMapWindow (dpy, tmp_win->icon_title_w);
    }

  if ((Scr.flags & ClickToFocus) || (Scr.flags & SloppyFocus))
    {
      if ((tmp_win) && (tmp_win == Scr.Focus))
	{
	  if (Scr.PreviousFocus == Scr.Focus)
	    Scr.PreviousFocus = NULL;
	  if ((Scr.flags & ClickToFocus) && (tmp_win->next))
	    SetFocus (tmp_win->next->w, tmp_win->next, False);
	  else
	    {
	      SetFocus (Scr.NoFocusWin, NULL, False);
	    }
	}
    }
}

/****************************************************************************
 *
 * Changes a window's icon, redoing the Window and/or Pixmap as necessary
 *
 ****************************************************************************/
void
ChangeIcon (ASWindow* win)
{
  /* free up the icon resources */
  if (win->flags & ICON_OURS)
    {
      XDeleteContext (dpy, win->icon_pixmap_w, ASContext);
      XDeleteContext (dpy, win->icon_title_w, ASContext);
      if (win->icon_pixmap_w != None)
        XDestroyWindow(dpy, win->icon_pixmap_w);
      if (win->icon_title_w != None)
        XDestroyWindow(dpy, win->icon_title_w);
      win->icon_pixmap_w = None;
      win->icon_title_w = None;
    }
  if (win->flags & PIXMAP_OURS)
    {
      if (win->icon_pm_pixmap != None)
        UnloadImage(win->icon_pm_pixmap);
      win->icon_pm_pixmap = win->icon_pm_mask = None;
    }

  /* redo the icon if the window should be iconified */
  if (win->flags & ICONIFIED)
    {
      CreateIconWindow (win);
      AutoPlace (win);
      if (win->Desk == Scr.CurrentDesk)
        {
          if (win->icon_pixmap_w != None)
    	    XMapWindow (dpy, win->icon_pixmap_w);
          if (win->icon_title_w != None)
	    XMapWindow (dpy, win->icon_title_w);
        }
    }
}

/****************************************************************************
 *
 * Scan Style list for an icon file name
 *
 ****************************************************************************/
char*
SearchIcon (ASWindow * tmp_win)
{
  name_list nl;
  nl.icon_file = tmp_win->icon_pm_file;
  style_fill_by_name (&nl, tmp_win->name, tmp_win->icon_name, tmp_win->class.res_name, tmp_win->class.res_class);
  return nl.icon_file;
}

void
RedoIconName (ASWindow * Tmp_win)
{
  if (Tmp_win->flags & SUPPRESSICON)
    return;

  if (Tmp_win->icon_title_w == None)
    return;

  /* resize the icon title window */
  ResizeIconWindow (Tmp_win);

  /* clear the icon window, and trigger a re-draw via an expose event */
  if (Tmp_win->flags & ICONIFIED)
    XClearArea (dpy, Tmp_win->icon_title_w, 0, 0, 0, 0, True);
}

static int GetBitmapFile (ASWindow * tmp_win);
static int GetColorIconFile (ASWindow * tmp_win);
static int GetIconWindow (ASWindow * tmp_win);
static int GetIconBitmap (ASWindow * tmp_win);

void
GetIcon (ASWindow * tmp_win)
{
  tmp_win->icon_pm_height = 0;
  tmp_win->icon_pm_width = 0;
  tmp_win->flags &= ~(ICON_OURS | PIXMAP_OURS | XPM_FLAG | SHAPED_ICON);

  /* see if the app supplies its own icon window */
  if ((Scr.flags & KeepIconWindows) && GetIconWindow (tmp_win));
  /* try to get icon bitmap from the application */
  else if ((Scr.flags & KeepIconWindows) && GetIconBitmap (tmp_win));
  /* check for a monochrome bitmap */
  else if (GetBitmapFile (tmp_win));
  /* check for a color pixmap */
  else if (GetColorIconFile (tmp_win));
}

/****************************************************************************
 *
 * Looks for a monochrome icon bitmap file
 *
 ****************************************************************************/
int
GetBitmapFile (ASWindow * tmp_win)
{
  char *path = NULL;
  int HotX, HotY;
  extern char *IconPath;
  int found = 1;

  if (tmp_win->icon_pm_file == NULL || 
      (path = findIconFile (tmp_win->icon_pm_file, IconPath, R_OK)) == NULL)
    return 0;

  if (XReadBitmapFile (dpy, Scr.Root, path,
		       (unsigned int *) &tmp_win->icon_pm_width,
		       (unsigned int *) &tmp_win->icon_pm_height,
		       &tmp_win->icon_pm_pixmap,
		       &HotX, &HotY) != BitmapSuccess)
    {
      found = 0;
      tmp_win->icon_pm_width = 0;
      tmp_win->icon_pm_height = 0;
    }
  tmp_win->flags |= PIXMAP_OURS | ICON_OURS;
  free (path);
  return found;
}

/****************************************************************************
 *
 * Looks for a color XPM icon file
 *
 ****************************************************************************/
int
GetColorIconFile (ASWindow * tmp_win)
{
  extern char *PixmapPath;
  char *path = NULL;
  unsigned int dum;
  int dummy;
  Window root;
  int found = 0;

  if (tmp_win->icon_pm_file == NULL || 
      (path = findIconFile (tmp_win->icon_pm_file, PixmapPath, R_OK)) == NULL)
    return 0;

  if ((tmp_win->icon_pm_pixmap = LoadImageWithMask (dpy, Scr.Root, 256, path, &(tmp_win->icon_pm_mask))) != None)
    {
      found = 1;
      XGetGeometry (dpy, tmp_win->icon_pm_pixmap, &root, &dummy, &dummy,
	 &(tmp_win->icon_pm_width), &(tmp_win->icon_pm_height), &dum, &dum);

      tmp_win->flags |= XPM_FLAG | PIXMAP_OURS | ICON_OURS;
      tmp_win->icon_pm_depth = Scr.d_depth;
    }
  free (path);
  return found;
}

/****************************************************************************
 *
 * Looks for an application supplied bitmap or pixmap
 *
 ****************************************************************************/
int
GetIconBitmap (ASWindow * tmp_win)
{
  if (tmp_win->wmhints == NULL || !(tmp_win->wmhints->flags & IconPixmapHint) || 
      tmp_win->wmhints->icon_pixmap == None)
    return 0;

  XGetGeometry (dpy, tmp_win->wmhints->icon_pixmap, &JunkRoot, &JunkX, &JunkY,
		(unsigned int *) &tmp_win->icon_pm_width,
		(unsigned int *) &tmp_win->icon_pm_height, &JunkBW, &JunkDepth);
  tmp_win->icon_pm_pixmap = tmp_win->wmhints->icon_pixmap;
  tmp_win->icon_pm_depth = JunkDepth;

  if (tmp_win->wmhints->flags & IconMaskHint)
    {
      tmp_win->icon_pm_mask = tmp_win->wmhints->icon_mask;
    }
  tmp_win->flags |= ICON_OURS;
  tmp_win->flags &= ~PIXMAP_OURS;

  return 1;
}

/****************************************************************************
 *
 * Looks for an application supplied icon window
 *
 ****************************************************************************/
int
GetIconWindow (ASWindow * tmp_win)
{
  if (tmp_win->wmhints == NULL || !(tmp_win->wmhints->flags & IconWindowHint) || 
      tmp_win->wmhints->icon_window == None)
    return 0;

  if (XGetGeometry (dpy, tmp_win->wmhints->icon_window, &JunkRoot,
		    &JunkX, &JunkY, (unsigned int *) &tmp_win->icon_pm_width,
		    (unsigned int *) &tmp_win->icon_pm_height,
		    &JunkBW, &JunkDepth) == 0)
    {
      fprintf (stderr, "Help! Bad Icon Window!\n");
    }
  tmp_win->icon_pm_width += JunkBW << 1;
  tmp_win->icon_pm_height += JunkBW << 1;
  /*
   * 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).
   */
  /* Make sure that the window is a child of the root window ! */
  /* Olwais screws this up, maybe others do too! */
  tmp_win->icon_pixmap_w = tmp_win->wmhints->icon_window;

  XReparentWindow (dpy, tmp_win->icon_pixmap_w, Scr.Root, 0, 0);
  tmp_win->flags &= ~ICON_OURS;
  return 1;
}
