lwlib/xlwmenuP.h

   1 /* Internals of a lightweight menubar widget.
   2
   3 Copyright (C) 2002-2018 Free Software Foundation, Inc.
   4 Copyright (C) 1992 Lucid, 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.  If not, see <https://www.gnu.org/licenses/>.  */
  20
  21 #ifndef _XlwMenuP_h
  22 #define _XlwMenuP_h
  23
  24 #include "xlwmenu.h"
  25 #include <X11/CoreP.h>
  26 #ifdef HAVE_XFT
  27 #include <X11/Xft/Xft.h>
  28 #endif
  29
  30 /* Elements in the stack arrays. */
  31 typedef struct _window_state
  32 {
  33   Widget        w;
  34   Window        window;
  35   Pixmap        pixmap;
  36   Position      x;
  37   Position      y;
  38   Dimension     width;
  39   Dimension     height;
  40   Dimension     label_width;
  41   int           max_rest_width;
  42
  43   /* Width of toggle buttons or radio buttons.  */
  44   Dimension     button_width;
  45 #ifdef HAVE_XFT
  46   XftDraw*      xft_draw;
  47 #endif
  48 } window_state;
  49
  50
  51 /* New fields for the XlwMenu widget instance record */
  52 typedef struct _XlwMenu_part
  53 {
  54   /* slots set by the resources */
  55 #ifdef HAVE_X_I18N
  56   XFontSet      fontSet;
  57   XFontSetExtents *font_extents;
  58 #endif
  59 #ifdef HAVE_XFT
  60   int           default_face;
  61   XftFont*      xft_font;
  62   XftColor      xft_fg, xft_bg, xft_disabled_fg;
  63 #endif
  64   String        fontName;
  65   XFontStruct*  font;
  66   Pixel         foreground;
  67   Pixel         disabled_foreground;
  68   Pixel         button_foreground;
  69   Dimension     margin;
  70   Dimension     horizontal_spacing;
  71   Dimension     vertical_spacing;
  72   Dimension     arrow_spacing;
  73   Dimension     shadow_thickness;
  74   Pixel         top_shadow_color;
  75   Pixel         bottom_shadow_color;
  76   Pixmap        top_shadow_pixmap;
  77   Pixmap        bottom_shadow_pixmap;
  78   Cursor        cursor_shape;
  79   XtCallbackList        open;
  80   XtCallbackList        select, highlight;
  81   XtCallbackList        enter, leave;
  82   widget_value* contents;
  83   int           horizontal;
  84
  85   /* True means top_shadow_color and/or bottom_shadow_color must be freed.  */
  86   bool_bf free_top_shadow_color_p : 1;
  87   bool_bf free_bottom_shadow_color_p : 1;
  88
  89   /* State of the XlwMenu */
  90   int                   top_depth;
  91   int                   old_depth;
  92   widget_value**        old_stack;
  93   int                   old_stack_length;
  94   widget_value*         inside_entry;
  95
  96   /* New state after the user moved */
  97   int                   new_depth;
  98   widget_value**        new_stack;
  99   int                   new_stack_length;
 100
 101   /* Window resources */
 102   window_state*         windows;
 103   int                   windows_length;
 104
 105   /* Internal part, set by the XlwMenu */
 106   GC                    foreground_gc;
 107   GC                    button_gc;
 108   GC                    background_gc;
 109   GC                    disabled_gc;
 110   GC                    inactive_button_gc;
 111   GC                    shadow_top_gc;
 112   GC                    shadow_bottom_gc;
 113   Cursor                cursor;
 114   Boolean               popped_up;
 115   Pixmap                gray_pixmap;
 116 } XlwMenuPart;
 117
 118 /* Full instance record declaration */
 119 typedef struct _XlwMenuRec
 120 {
 121   CorePart      core;
 122   XlwMenuPart   menu;
 123 } XlwMenuRec;
 124
 125 /* New fields for the XlwMenu widget class record */
 126 typedef struct
 127 {
 128   int   dummy;
 129 } XlwMenuClassPart;
 130
 131 /* Full class record declaration. */
 132 typedef struct _XlwMenuClassRec
 133 {
 134   CoreClassPart         core_class;
 135   XlwMenuClassPart      menu_class;
 136 } XlwMenuClassRec;
 137
 138 /* Class pointer. */
 139 extern XlwMenuClassRec xlwMenuClassRec;
 140
 141 #endif /* _XlwMenuP_h */