src/ngmx/popup.h

   1 /*
   2  * This file is part of the GROMACS molecular simulation package.
   3  *
   4  * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
   5  * Copyright (c) 2001-2004, The GROMACS development team,
   6  * check out http://www.gromacs.org for more information.
   7  * Copyright (c) 2012, by the GROMACS development team, led by
   8  * David van der Spoel, Berk Hess, Erik Lindahl, and including many
   9  * others, as listed in the AUTHORS file in the top-level source
  10  * directory and at http://www.gromacs.org.
  11  *
  12  * GROMACS is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU Lesser General Public License
  14  * as published by the Free Software Foundation; either version 2.1
  15  * of the License, or (at your option) any later version.
  16  *
  17  * GROMACS is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * Lesser General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public
  23  * License along with GROMACS; if not, see
  24  * http://www.gnu.org/licenses, or write to the Free Software Foundation,
  25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
  26  *
  27  * If you want to redistribute modifications to GROMACS, please
  28  * consider that scientific software is very special. Version
  29  * control is crucial - bugs must be traceable. We will be happy to
  30  * consider code for inclusion in the official distribution, but
  31  * derived work must not be called official GROMACS. Details are found
  32  * in the README & COPYING files - if they are missing, get the
  33  * official version at http://www.gromacs.org.
  34  *
  35  * To help us fund GROMACS development, we humbly ask that you cite
  36  * the research papers on the package. Check out http://www.gromacs.org.
  37  */
  38
  39 #ifndef _popup_h
  40 #define _popup_h
  41
  42 #include "x11.h"
  43 #include "xutil.h"
  44
  45 typedef struct {
  46   Window send_to;       /* Window to send messages to                   */
  47   int    nreturn;       /* Value returned when entry is selected        */
  48   gmx_bool   bChecked;  /* Indicate whether menu item is check-marked   */
  49   const char *str;      /* Text for menu entry                          */
  50 } t_mentry;
  51
  52 typedef struct {
  53   t_windata wd;         /* The window struct                            */
  54   t_mentry  *m;         /* The menu entry                               */
  55   Window    Parent;     /* Parent window id                             */
  56 } t_child;
  57
  58 typedef struct {
  59   t_windata wd;         /* The window struct                            */
  60   Window    Parent;     /* The parent of the menu                       */
  61   int       nitem;      /* The number of menu items                     */
  62   t_child   *item;      /* Array of child windows                       */
  63   gmx_bool      bGrabbed;   /* Did this menu grab the pointer?              */
  64 } t_menu;
  65
  66 extern t_menu *init_menu(t_x11 *x11,Window Parent,unsigned long fg,unsigned long bg,
  67                          int nent,t_mentry ent[],int ncol);
  68 /* This routine will create a popup menu. It will create a
  69  * a base window, and child windows for all the items.
  70  * If ncol != 0 then ncol columns of items will be created;
  71  * otherwise the routine will try to evenly space the menu, eg. if there
  72  * are 20 items then the menu will be 2x10 entries, depending on the
  73  * string lengths.
  74  * !!!
  75  * !!! Do not destroy the ent structure while using this menu
  76  * !!!
  77  * The routine will create the windows but not map them. That is, this
  78  * routine can be called once at the beginning of a program. When a menu
  79  * has to be shown, call show_menu.
  80  */
  81
  82 extern void show_menu(t_x11 *x11,t_menu *m,int x, int y,gmx_bool bGrab);
  83 /* Show the menu in m at (x,y)
  84  * This will popup the menu, and when a button is released in the
  85  * menu send a ClientMessage to the Parent window of the menu
  86  * specifying the selected menu item in xclient.data.l[0].
  87  * bGrab specifies whether or not to grab the pointer.
  88  */
  89
  90 extern void hide_menu(t_x11 *x11,t_menu *m);
  91 /* Unmaps the window for m, hides the window */
  92
  93 extern void check_menu_item(t_menu *m,int nreturn,gmx_bool bStatus);
  94 /* Set the bChecked field in the menu item with return code
  95  * nreturn to bStatus. This function must always be called when
  96  * the bChecked flag has to changed.
  97  */
  98
  99 extern void done_menu(t_x11 *x11,t_menu *m);
 100 /* This routine destroys the menu m, and unregisters it with x11 */
 101
 102 extern int menu_width(t_menu *m);
 103 /* Return the width of the window */
 104
 105 extern int menu_height(t_menu *m);
 106 /* Return the height of the window */
 107
 108 #endif  /* _popup_h */