Dogcows Code - chaz/openbox/blob - openbox/menu.h

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    menu.h for the Openbox window manager
   4    Copyright (c) 2003-2007   Dana Jansens
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #ifndef __menu_h
  20 #define __menu_h
  21
  22 #include "window.h"
  23 #include "geom.h"
  24 #include "render/render.h"
  25 #include "parser/parse.h"
  26
  27 #include <glib.h>
  28
  29 struct _ObClient;
  30 struct _ObMenuFrame;
  31 struct _ObMenuEntryFrame;
  32
  33 typedef struct _ObMenu ObMenu;
  34 typedef struct _ObMenuEntry ObMenuEntry;
  35 typedef struct _ObNormalMenuEntry ObNormalMenuEntry;
  36 typedef struct _ObSubmenuMenuEntry ObSubmenuMenuEntry;
  37 typedef struct _ObSeparatorMenuEntry ObSeparatorMenuEntry;
  38
  39 typedef void (*ObMenuShowFunc)(struct _ObMenuFrame *frame, gpointer data);
  40 typedef void (*ObMenuHideFunc)(struct _ObMenuFrame *frame, gpointer data);
  41 typedef gboolean (*ObMenuUpdateFunc)(struct _ObMenuFrame *frame,
  42                                      gpointer data);
  43 typedef void (*ObMenuExecuteFunc)(struct _ObMenuEntry *entry,
  44                                   struct _ObMenuFrame *frame,
  45                                   struct _ObClient *client,
  46                                   guint state, gpointer data);
  47 typedef void (*ObMenuDestroyFunc)(struct _ObMenu *menu, gpointer data);
  48 /*! @param x is the mouse x coordinate. on return it should be the x coordinate
  49              for the menu
  50     @param y is the mouse y coordinate. on return it should be the y coordinate
  51              for the menu
  52 */
  53 typedef void (*ObMenuPlaceFunc)(struct _ObMenuFrame *frame, gint *x, gint *y,
  54                                 gboolean mouse, gpointer data);
  55
  56 struct _ObMenu
  57 {
  58     /* Name of the menu. Used in the showmenu action. */
  59     gchar *name;
  60     /* Displayed title */
  61     gchar *title;
  62     /*! The shortcut key that would be used to activate this menu if it was
  63       displayed as a submenu */
  64     gunichar shortcut;
  65     /*! The shortcut's position in the string */
  66     guint shortcut_position;
  67     /*! If the shortcut was specified by & and should always be drawn */
  68     gboolean shortcut_always_show;
  69
  70     /*! If the shortcut key should be shown in menu entries even when it
  71       is the first character in the string */
  72     gboolean show_all_shortcuts;
  73
  74     /* Command to execute to rebuild the menu */
  75     gchar *execute;
  76
  77     /* ObMenuEntry list */
  78     GList *entries;
  79
  80     /* plugin data */
  81     gpointer data;
  82
  83     ObMenuShowFunc show_func;
  84     ObMenuHideFunc hide_func;
  85     ObMenuUpdateFunc update_func;
  86     ObMenuExecuteFunc execute_func;
  87     ObMenuDestroyFunc destroy_func;
  88     ObMenuPlaceFunc place_func;
  89
  90     /* Pipe-menu parent, we get destroyed when it is destroyed */
  91     ObMenu *pipe_creator;
  92
  93     /* The menu used as the destination for the "More..." entry for this menu*/
  94     ObMenu *more_menu;
  95 };
  96
  97 typedef enum
  98 {
  99     OB_MENU_ENTRY_TYPE_NORMAL,
 100     OB_MENU_ENTRY_TYPE_SUBMENU,
 101     OB_MENU_ENTRY_TYPE_SEPARATOR
 102 } ObMenuEntryType;
 103
 104 struct _ObNormalMenuEntry {
 105     gchar *label;
 106     /*! The shortcut key that would be used to activate this menu entry */
 107     gunichar shortcut;
 108     /*! The shortcut's position in the string */
 109     guint shortcut_position;
 110     /*! If the shortcut was specified by & and should always be drawn */
 111     gboolean shortcut_always_show;
 112
 113     /* state */
 114     gboolean enabled;
 115
 116     /* List of ObActions */
 117     GSList *actions;
 118
 119     /* Icon stuff.  If you set this, make sure you RrImageRef() it too. */
 120     RrImage *icon;
 121     gint     icon_alpha;
 122
 123     /* Mask icon */
 124     RrPixmapMask *mask;
 125     RrColor *mask_normal_color;
 126     RrColor *mask_selected_color;
 127     RrColor *mask_disabled_color;
 128     RrColor *mask_disabled_selected_color;
 129
 130     gpointer data;
 131 };
 132
 133 struct _ObSubmenuMenuEntry {
 134     gchar *name;
 135     ObMenu *submenu;
 136     guint show_from;
 137 };
 138
 139 struct _ObSeparatorMenuEntry {
 140     gchar *label;
 141 };
 142
 143 struct _ObMenuEntry
 144 {
 145     guint ref;
 146
 147     ObMenuEntryType type;
 148     ObMenu *menu;
 149
 150     gint id;
 151
 152     union u {
 153         ObNormalMenuEntry normal;
 154         ObSubmenuMenuEntry submenu;
 155         ObSeparatorMenuEntry separator;
 156     } data;
 157 };
 158
 159 void menu_startup(gboolean reconfig);
 160 void menu_shutdown(gboolean reconfig);
 161
 162 void menu_entry_ref(ObMenuEntry *self);
 163 void menu_entry_unref(ObMenuEntry *self);
 164
 165 ObMenu* menu_new(const gchar *name, const gchar *title,
 166                  gboolean allow_shortcut_selection, gpointer data);
 167 void menu_free(ObMenu *menu);
 168
 169 /*! Repopulate a pipe-menu by running its command */
 170 void menu_pipe_execute(ObMenu *self);
 171 /*! Clear a pipe-menu's entries */
 172 void menu_clear_pipe_caches();
 173
 174 void menu_show_all_shortcuts(ObMenu *self, gboolean show);
 175
 176 void menu_show(gchar *name, gint x, gint y, gboolean mouse,
 177                struct _ObClient *client);
 178 gboolean menu_hide_delay_reached();
 179
 180 void menu_set_show_func(ObMenu *menu, ObMenuShowFunc func);
 181 void menu_set_hide_func(ObMenu *menu, ObMenuHideFunc func);
 182 void menu_set_update_func(ObMenu *menu, ObMenuUpdateFunc func);
 183 void menu_set_execute_func(ObMenu *menu, ObMenuExecuteFunc func);
 184 void menu_set_destroy_func(ObMenu *menu, ObMenuDestroyFunc func);
 185 void menu_set_place_func(ObMenu *menu, ObMenuPlaceFunc func);
 186
 187 /* functions for building menus */
 188 /*! @param allow_shortcut this should be false when the label is coming from
 189            outside data like window or desktop titles */
 190 ObMenuEntry* menu_add_normal(ObMenu *menu, gint id, const gchar *label,
 191                              GSList *actions, gboolean allow_shortcut);
 192 ObMenuEntry* menu_add_submenu(ObMenu *menu, gint id, const gchar *submenu);
 193 ObMenuEntry* menu_add_separator(ObMenu *menu, gint id, const gchar *label);
 194
 195 void menu_clear_entries(ObMenu *menu);
 196 void menu_entry_remove(ObMenuEntry *self);
 197
 198 void menu_entry_set_label(ObMenuEntry *self, const gchar *label,
 199                           gboolean allow_shortcut);
 200
 201 ObMenuEntry* menu_find_entry_id(ObMenu *self, gint id);
 202
 203 /* fills in the submenus, for use when a menu is being shown */
 204 void menu_find_submenus(ObMenu *self);
 205
 206 ObMenuEntry* menu_get_more(ObMenu *menu, guint show_from);
 207
 208 #endif