lwlib/xlwmenuP.h

   1 /* Internals of a lightweight menubar widget.
   2 Copyright (C) 1992 Lucid, Inc.
   3 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   4   Free Software Foundation, Inc.
   5
   6 This file is part of the Lucid Widget Library.
   7
   8 The Lucid Widget Library is free software; you can redistribute it and/or
   9 modify it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 1, or (at your option)
  11 any later version.
  12
  13 The Lucid Widget Library is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs; see the file COPYING.  If not, write to the
  20 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23 #ifndef _XlwMenuP_h
  24 #define _XlwMenuP_h
  25
  26 #include "xlwmenu.h"
  27 #include <X11/CoreP.h>
  28 #ifdef HAVE_XFT
  29 #include <X11/Xft/Xft.h>
  30 #endif
  31
  32 /* Elements in the stack arrays. */
  33 typedef struct _window_state
  34 {
  35   Widget        w;
  36   Window        window;
  37   Pixmap        pixmap;
  38   Position      x;
  39   Position      y;
  40   Dimension     width;
  41   Dimension     height;
  42   Dimension     label_width;
  43   int           max_rest_width;
  44
  45   /* Width of toggle buttons or radio buttons.  */
  46   Dimension     button_width;
  47 #ifdef HAVE_XFT
  48   XftDraw*      xft_draw;
  49 #endif
  50 } window_state;
  51
  52
  53 /* New fields for the XlwMenu widget instance record */
  54 typedef struct _XlwMenu_part
  55 {
  56   /* slots set by the resources */
  57 #ifdef HAVE_X_I18N
  58   XFontSet      fontSet;
  59   XFontSetExtents *font_extents;
  60 #endif
  61 #ifdef HAVE_XFT
  62   String        faceName;
  63   int           default_face;
  64   XftFont*      xft_font;
  65   XftColor      xft_fg, xft_bg, xft_disabled_fg;
  66 #endif
  67   XFontStruct*  font;
  68   Pixel         foreground;
  69   Pixel         disabled_foreground;
  70   Pixel         button_foreground;
  71   Dimension     margin;
  72   Dimension     horizontal_spacing;
  73   Dimension     vertical_spacing;
  74   Dimension     arrow_spacing;
  75   Dimension     shadow_thickness;
  76   Pixel         top_shadow_color;
  77   Pixel         bottom_shadow_color;
  78   Pixmap        top_shadow_pixmap;
  79   Pixmap        bottom_shadow_pixmap;
  80   Cursor        cursor_shape;
  81   XtCallbackList        open;
  82   XtCallbackList        select, highlight;
  83   XtCallbackList        enter, leave;
  84   widget_value* contents;
  85   int           horizontal;
  86
  87   /* True means top_shadow_color and/or bottom_shadow_color must be freed.  */
  88   unsigned free_top_shadow_color_p : 1;
  89   unsigned free_bottom_shadow_color_p : 1;
  90
  91   /* State of the XlwMenu */
  92   int                   top_depth;
  93   int                   old_depth;
  94   widget_value**        old_stack;
  95   int                   old_stack_length;
  96   widget_value*         inside_entry;
  97
  98   /* New state after the user moved */
  99   int                   new_depth;
 100   widget_value**        new_stack;
 101   int                   new_stack_length;
 102
 103   /* Window resources */
 104   window_state*         windows;
 105   int                   windows_length;
 106
 107   /* Internal part, set by the XlwMenu */
 108   GC                    foreground_gc;
 109   GC                    button_gc;
 110   GC                    background_gc;
 111   GC                    disabled_gc;
 112   GC                    inactive_button_gc;
 113   GC                    shadow_top_gc;
 114   GC                    shadow_bottom_gc;
 115   Cursor                cursor;
 116   Boolean               popped_up;
 117   Pixmap                gray_pixmap;
 118 } XlwMenuPart;
 119
 120 /* Full instance record declaration */
 121 typedef struct _XlwMenuRec
 122 {
 123   CorePart      core;
 124   XlwMenuPart   menu;
 125 } XlwMenuRec;
 126
 127 /* New fields for the XlwMenu widget class record */
 128 typedef struct
 129 {
 130   int   dummy;
 131 } XlwMenuClassPart;
 132
 133 /* Full class record declaration. */
 134 typedef struct _XlwMenuClassRec
 135 {
 136   CoreClassPart         core_class;
 137   XlwMenuClassPart      menu_class;
 138 } XlwMenuClassRec;
 139
 140 /* Class pointer. */
 141 extern XlwMenuClassRec xlwMenuClassRec;
 142
 143 #endif /* _XlwMenuP_h */
 144