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
  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 (*ObMenuDestroyFunc)(struct _ObMenu *menu, gpointer data);
  47 /*! @param x is the mouse x coordinate. on return it should be the x coordinate
  48              for the menu
  49     @param y is the mouse y coordinate. on return it should be the y coordinate
  50              for the menu
  51 */
  52 typedef void (*ObMenuPlaceFunc)(struct _ObMenuFrame *frame, gint *x, gint *y,
  53                                 gboolean mouse, gpointer data);
  54
  55 struct _ObMenu
  56 {
  57     /* Name of the menu. Used in the showmenu action. */
  58     gchar *name;
  59     /* Displayed title */
  60     gchar *title;
  61     /*! The shortcut key that would be used to activate this menu if it was
  62       displayed as a submenu */
  63     gunichar shortcut;
  64     /*! The shortcut's position in the string */
  65     guint shortcut_position;
  66     /*! If the shortcut was specified by & and should always be drawn */
  67     gboolean shortcut_always_show;
  68
  69     /*! If the shortcut key should be shown in menu entries even when it
  70       is the first character in the string */
  71     gboolean show_all_shortcuts;
  72
  73     /* Command to execute to rebuild the menu */
  74     gchar *execute;
  75
  76     /* ObMenuEntry list */
  77     GList *entries;
  78
  79     /* plugin data */
  80     gpointer data;
  81
  82     ObMenuShowFunc show_func;
  83     ObMenuHideFunc hide_func;
  84     ObMenuUpdateFunc update_func;
  85     ObMenuExecuteFunc execute_func;
  86     ObMenuDestroyFunc destroy_func;
  87     ObMenuPlaceFunc place_func;
  88
  89     /* Pipe-menu parent, we get destroyed when it is destroyed */
  90     ObMenu *pipe_creator;
  91
  92     /* The menu used as the destination for the "More..." entry for this menu*/
  93     ObMenu *more_menu;
  94 };
  95
  96 typedef enum
  97 {
  98     OB_MENU_ENTRY_TYPE_NORMAL,
  99     OB_MENU_ENTRY_TYPE_SUBMENU,
 100     OB_MENU_ENTRY_TYPE_SEPARATOR
 101 } ObMenuEntryType;
 102
 103 struct _ObNormalMenuEntry {
 104     gchar *label;
 105     /*! The shortcut key that would be used to activate this menu entry */
 106     gunichar shortcut;
 107     /*! The shortcut's position in the string */
 108     guint shortcut_position;
 109     /*! If the shortcut was specified by & and should always be drawn */
 110     gboolean shortcut_always_show;
 111
 112     /* state */
 113     gboolean enabled;
 114
 115     /* List of ObActions */
 116     GSList *actions;
 117
 118     /* Icon stuff.  If you set this, make sure you RrImageRef() it too. */
 119     RrImage *icon;
 120     gint     icon_alpha;
 121
 122     /* Mask icon */
 123     RrPixmapMask *mask;
 124     RrColor *mask_normal_color;
 125     RrColor *mask_selected_color;
 126     RrColor *mask_disabled_color;
 127     RrColor *mask_disabled_selected_color;
 128
 129     gpointer data;
 130 };
 131
 132 struct _ObSubmenuMenuEntry {
 133     gchar *name;
 134     ObMenu *submenu;
 135     guint show_from;
 136 };
 137
 138 struct _ObSeparatorMenuEntry {
 139     gchar *label;
 140 };
 141
 142 struct _ObMenuEntry
 143 {
 144     guint ref;
 145
 146     ObMenuEntryType type;
 147     ObMenu *menu;
 148
 149     gint id;
 150
 151     union u {
 152         ObNormalMenuEntry normal;
 153         ObSubmenuMenuEntry submenu;
 154         ObSeparatorMenuEntry separator;
 155     } data;
 156 };
 157
 158 void menu_startup(gboolean reconfig);
 159 void menu_shutdown(gboolean reconfig);
 160
 161 void menu_entry_ref(ObMenuEntry *self);
 162 void menu_entry_unref(ObMenuEntry *self);
 163
 164 ObMenu* menu_new(const gchar *name, const gchar *title,
 165                  gboolean allow_shortcut_selection, gpointer data);
 166 void menu_free(ObMenu *menu);
 167
 168 /*! Repopulate a pipe-menu by running its command */
 169 void menu_pipe_execute(ObMenu *self);
 170 /*! Clear a pipe-menu's entries */
 171 void menu_clear_pipe_caches(void);
 172
 173 void menu_show_all_shortcuts(ObMenu *self, gboolean show);
 174
 175 void menu_show(gchar *name, gint x, gint y, gboolean mouse,
 176                struct _ObClient *client);
 177 gboolean menu_hide_delay_reached(void);
 178
 179 void menu_set_show_func(ObMenu *menu, ObMenuShowFunc func);
 180 void menu_set_hide_func(ObMenu *menu, ObMenuHideFunc func);
 181 void menu_set_update_func(ObMenu *menu, ObMenuUpdateFunc func);
 182 void menu_set_execute_func(ObMenu *menu, ObMenuExecuteFunc func);
 183 void menu_set_destroy_func(ObMenu *menu, ObMenuDestroyFunc func);
 184 void menu_set_place_func(ObMenu *menu, ObMenuPlaceFunc func);
 185
 186 /* functions for building menus */
 187 /*! @param allow_shortcut this should be false when the label is coming from
 188            outside data like window or desktop titles */
 189 ObMenuEntry* menu_add_normal(ObMenu *menu, gint id, const gchar *label,
 190                              GSList *actions, gboolean allow_shortcut);
 191 ObMenuEntry* menu_add_submenu(ObMenu *menu, gint id, const gchar *submenu);
 192 ObMenuEntry* menu_add_separator(ObMenu *menu, gint id, const gchar *label);
 193
 194 void menu_clear_entries(ObMenu *menu);
 195 void menu_entry_remove(ObMenuEntry *self);
 196
 197 void menu_entry_set_label(ObMenuEntry *self, const gchar *label,
 198                           gboolean allow_shortcut);
 199
 200 ObMenuEntry* menu_find_entry_id(ObMenu *self, gint id);
 201
 202 /* fills in the submenus, for use when a menu is being shown */
 203 void menu_find_submenus(ObMenu *self);
 204
 205 ObMenuEntry* menu_get_more(ObMenu *menu, guint show_from);
 206
 207 #endif