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     /*! 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     ObMenuCleanupFunc cleanup_func;
  88     ObMenuDestroyFunc destroy_func;
  89     ObMenuPlaceFunc place_func;
  90
  91     /* Pipe-menu parent, we get destroyed when it is destroyed */
  92     ObMenu *pipe_creator;
  93
  94     /* The menu used as the destination for the "More..." entry for this menu*/
  95     ObMenu *more_menu;
  96 };
  97
  98 typedef enum
  99 {
 100     OB_MENU_ENTRY_TYPE_NORMAL,
 101     OB_MENU_ENTRY_TYPE_SUBMENU,
 102     OB_MENU_ENTRY_TYPE_SEPARATOR
 103 } ObMenuEntryType;
 104
 105 struct _ObNormalMenuEntry {
 106     gchar *label;
 107     /*! The shortcut key that would be used to activate this menu entry */
 108     gunichar shortcut;
 109     /*! The shortcut's position in the string */
 110     guint shortcut_position;
 111     /*! If the shortcut was specified by & and should always be drawn */
 112     gboolean shortcut_always_show;
 113
 114     /* state */
 115     gboolean enabled;
 116
 117     /* List of ObActions */
 118     GSList *actions;
 119
 120     /* Icon stuff.  If you set this, make sure you RrImageRef() it too. */
 121     RrImage *icon;
 122     gint     icon_alpha;
 123
 124     /* Mask icon */
 125     RrPixmapMask *mask;
 126     RrColor *mask_normal_color;
 127     RrColor *mask_selected_color;
 128     RrColor *mask_disabled_color;
 129     RrColor *mask_disabled_selected_color;
 130
 131     gpointer data;
 132 };
 133
 134 struct _ObSubmenuMenuEntry {
 135     gchar *name;
 136     ObMenu *submenu;
 137     guint show_from;
 138 };
 139
 140 struct _ObSeparatorMenuEntry {
 141     gchar *label;
 142 };
 143
 144 struct _ObMenuEntry
 145 {
 146     guint ref;
 147
 148     ObMenuEntryType type;
 149     ObMenu *menu;
 150
 151     gint id;
 152
 153     union u {
 154         ObNormalMenuEntry normal;
 155         ObSubmenuMenuEntry submenu;
 156         ObSeparatorMenuEntry separator;
 157     } data;
 158 };
 159
 160 void menu_startup(gboolean reconfig);
 161 void menu_shutdown(gboolean reconfig);
 162
 163 void menu_entry_ref(ObMenuEntry *self);
 164 void menu_entry_unref(ObMenuEntry *self);
 165
 166 ObMenu* menu_new(const gchar *name, const gchar *title,
 167                  gboolean allow_shortcut_selection, gpointer data);
 168 void menu_free(ObMenu *menu);
 169
 170 /*! Repopulate a pipe-menu by running its command */
 171 void menu_pipe_execute(ObMenu *self);
 172 /*! Clear a pipe-menu's entries */
 173 void menu_clear_pipe_caches(void);
 174
 175 void menu_show_all_shortcuts(ObMenu *self, gboolean show);
 176
 177 void menu_show(gchar *name, gint x, gint y, gboolean mouse,
 178                struct _ObClient *client);
 179 gboolean menu_hide_delay_reached(void);
 180
 181 /*! The show function is called right after a menu is shown */
 182 void menu_set_show_func(ObMenu *menu, ObMenuShowFunc func);
 183 /*! The hide function is called right before a menu is hidden */
 184 void menu_set_hide_func(ObMenu *menu, ObMenuHideFunc func);
 185 /*! The update function is called when the menu should refresh its
 186   contents, generally right before it is shown */
 187 void menu_set_update_func(ObMenu *menu, ObMenuUpdateFunc func);
 188 /*! The execute function is called when a user chooses to execute an
 189   entry in the menu */
 190 void menu_set_execute_func(ObMenu *menu, ObMenuExecuteFunc func);
 191 /*! The cleanup function is called after a menu is hidden, allowing it
 192   to be cleaned up between uses */
 193 void menu_set_cleanup_func(ObMenu *menu, ObMenuCleanupFunc func);
 194 /*! The destroy function is called when the menu is being destroyed
 195   permanently */
 196 void menu_set_destroy_func(ObMenu *menu, ObMenuDestroyFunc func);
 197 /*! The place function is called when the menu is being shown and allows
 198   the menu to choose its initial position */
 199 void menu_set_place_func(ObMenu *menu, ObMenuPlaceFunc func);
 200
 201 /* functions for building menus */
 202 /*! @param allow_shortcut this should be false when the label is coming from
 203            outside data like window or desktop titles */
 204 ObMenuEntry* menu_add_normal(ObMenu *menu, gint id, const gchar *label,
 205                              GSList *actions, gboolean allow_shortcut);
 206 ObMenuEntry* menu_add_submenu(ObMenu *menu, gint id, const gchar *submenu);
 207 ObMenuEntry* menu_add_separator(ObMenu *menu, gint id, const gchar *label);
 208
 209 void menu_clear_entries(ObMenu *menu);
 210 void menu_entry_remove(ObMenuEntry *self);
 211
 212 void menu_entry_set_label(ObMenuEntry *self, const gchar *label,
 213                           gboolean allow_shortcut);
 214
 215 ObMenuEntry* menu_find_entry_id(ObMenu *self, gint id);
 216
 217 /* fills in the submenus, for use when a menu is being shown */
 218 void menu_find_submenus(ObMenu *self);
 219
 220 ObMenuEntry* menu_get_more(ObMenu *menu, guint show_from);
 221
 222 #endif