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 "obrender/render.h"
  25
  26 #include <glib.h>
  27
  28 struct _ObClient;
  29 struct _ObMenuFrame;
  30 struct _ObMenuEntryFrame;
  31
  32 typedef struct _ObMenu ObMenu;
  33 typedef struct _ObMenuEntry ObMenuEntry;
  34 typedef struct _ObNormalMenuEntry ObNormalMenuEntry;
  35 typedef struct _ObSubmenuMenuEntry ObSubmenuMenuEntry;
  36 typedef struct _ObSeparatorMenuEntry ObSeparatorMenuEntry;
  37
  38 typedef void (*ObMenuShowFunc)(struct _ObMenuFrame *frame, gpointer data);
  39 typedef void (*ObMenuHideFunc)(struct _ObMenuFrame *frame, gpointer data);
  40 typedef gboolean (*ObMenuUpdateFunc)(struct _ObMenuFrame *frame,
  41                                      gpointer data);
  42 typedef void (*ObMenuExecuteFunc)(struct _ObMenuEntry *entry,
  43                                   struct _ObMenuFrame *frame,
  44                                   struct _ObClient *client,
  45                                   guint state, gpointer data);
  46 typedef void (*ObMenuCleanupFunc)(struct _ObMenu *menu, 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     gchar *collate_key;
  63     /*! The shortcut key that would be used to activate this menu if it was
  64       displayed as a submenu */
  65     gunichar shortcut;
  66     /*! The shortcut's position in the string */
  67     guint shortcut_position;
  68     /*! If the shortcut was specified by & and should always be drawn */
  69     gboolean shortcut_always_show;
  70
  71     /*! If the shortcut key should be shown in menu entries even when it
  72       is the first character in the string */
  73     gboolean show_all_shortcuts;
  74
  75     /* Command to execute to rebuild the menu */
  76     gchar *execute;
  77
  78     /* ObMenuEntry list */
  79     GList *entries;
  80
  81     /* plugin data */
  82     gpointer data;
  83
  84     ObMenuShowFunc show_func;
  85     ObMenuHideFunc hide_func;
  86     ObMenuUpdateFunc update_func;
  87     ObMenuExecuteFunc execute_func;
  88     ObMenuCleanupFunc cleanup_func;
  89     ObMenuDestroyFunc destroy_func;
  90     ObMenuPlaceFunc place_func;
  91
  92     /* Pipe-menu parent, we get destroyed when it is destroyed */
  93     ObMenu *pipe_creator;
  94
  95     /* The menu used as the destination for the "More..." entry for this menu*/
  96     ObMenu *more_menu;
  97 };
  98
  99 typedef enum
 100 {
 101     OB_MENU_ENTRY_TYPE_NORMAL,
 102     OB_MENU_ENTRY_TYPE_SUBMENU,
 103     OB_MENU_ENTRY_TYPE_SEPARATOR
 104 } ObMenuEntryType;
 105
 106 struct _ObNormalMenuEntry {
 107     /* Icon stuff.  If you set this, make sure you RrImageRef() it too. */
 108     RrImage *icon;
 109     gint     icon_alpha;
 110
 111     gchar *label;
 112     gchar *collate_key;
 113     /*! The shortcut key that would be used to activate this menu entry */
 114     gunichar shortcut;
 115     /*! The shortcut's position in the string */
 116     guint shortcut_position;
 117     /*! If the shortcut was specified by & and should always be drawn */
 118     gboolean shortcut_always_show;
 119
 120     /* state */
 121     gboolean enabled;
 122
 123     /* List of ObActions */
 124     GSList *actions;
 125
 126     /* Mask icon */
 127     RrPixmapMask *mask;
 128     RrColor *mask_normal_color;
 129     RrColor *mask_selected_color;
 130     RrColor *mask_disabled_color;
 131     RrColor *mask_disabled_selected_color;
 132
 133     gpointer data;
 134 };
 135
 136 struct _ObSubmenuMenuEntry {
 137     /* Icon stuff.  If you set this, make sure you RrImageRef() it too. */
 138     RrImage *icon;
 139     gint     icon_alpha;
 140
 141     gchar *name;
 142     ObMenu *submenu;
 143
 144     guint show_from;
 145 };
 146
 147 struct _ObSeparatorMenuEntry {
 148     gchar *label;
 149 };
 150
 151 struct _ObMenuEntry
 152 {
 153     guint ref;
 154
 155     ObMenuEntryType type;
 156     ObMenu *menu;
 157
 158     gint id;
 159
 160     union u {
 161         ObNormalMenuEntry normal;
 162         ObSubmenuMenuEntry submenu;
 163         ObSeparatorMenuEntry separator;
 164     } data;
 165 };
 166
 167 void menu_startup(gboolean reconfig);
 168 void menu_shutdown(gboolean reconfig);
 169
 170 void menu_entry_ref(ObMenuEntry *self);
 171 void menu_entry_unref(ObMenuEntry *self);
 172
 173 ObMenu* menu_new(const gchar *name, const gchar *title,
 174                  gboolean allow_shortcut_selection, gpointer data);
 175 void menu_free(ObMenu *menu);
 176
 177 /*! Repopulate a pipe-menu by running its command */
 178 void menu_pipe_execute(ObMenu *self);
 179 /*! Clear a pipe-menu's entries */
 180 void menu_clear_pipe_caches(void);
 181
 182 void menu_show_all_shortcuts(ObMenu *self, gboolean show);
 183
 184 void menu_show(gchar *name, const GravityPoint *pos, gint monitor,
 185                gboolean mouse, gboolean user_positioned,
 186                struct _ObClient *client);
 187 gboolean menu_hide_delay_reached(void);
 188 void menu_hide_delay_reset(void);
 189
 190 /*! The show function is called right after a menu is shown */
 191 void menu_set_show_func(ObMenu *menu, ObMenuShowFunc func);
 192 /*! The hide function is called right before a menu is hidden */
 193 void menu_set_hide_func(ObMenu *menu, ObMenuHideFunc func);
 194 /*! The update function is called when the menu should refresh its
 195   contents, generally right before it is shown */
 196 void menu_set_update_func(ObMenu *menu, ObMenuUpdateFunc func);
 197 /*! The execute function is called when a user chooses to execute an
 198   entry in the menu */
 199 void menu_set_execute_func(ObMenu *menu, ObMenuExecuteFunc func);
 200 /*! The cleanup function is called after a menu is hidden, allowing it
 201   to be cleaned up between uses */
 202 void menu_set_cleanup_func(ObMenu *menu, ObMenuCleanupFunc func);
 203 /*! The destroy function is called when the menu is being destroyed
 204   permanently */
 205 void menu_set_destroy_func(ObMenu *menu, ObMenuDestroyFunc func);
 206 /*! The place function is called when the menu is being shown and allows
 207   the menu to choose its initial position */
 208 void menu_set_place_func(ObMenu *menu, ObMenuPlaceFunc func);
 209
 210 /* functions for building menus */
 211 /*! @param allow_shortcut this should be false when the label is coming from
 212            outside data like window or desktop titles */
 213 ObMenuEntry* menu_add_normal(ObMenu *menu, gint id, const gchar *label,
 214                              GSList *actions, gboolean allow_shortcut);
 215 ObMenuEntry* menu_add_submenu(ObMenu *menu, gint id, const gchar *submenu);
 216 ObMenuEntry* menu_add_separator(ObMenu *menu, gint id, const gchar *label);
 217
 218 /*! This sorts groups of menu entries between consecutive separators */
 219 void menu_sort_entries(ObMenu *self);
 220
 221 void menu_clear_entries(ObMenu *self);
 222 void menu_entry_remove(ObMenuEntry *self);
 223
 224 void menu_entry_set_label(ObMenuEntry *self, const gchar *label,
 225                           gboolean allow_shortcut);
 226
 227 ObMenuEntry* menu_find_entry_id(ObMenu *self, gint id);
 228
 229 /* fills in the submenus, for use when a menu is being shown */
 230 void menu_find_submenus(ObMenu *self);
 231
 232 ObMenuEntry* menu_get_more(ObMenu *menu, guint show_from);
 233
 234 #endif