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mc/gnome/gpopup2.c

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/* Popup menus for the Midnight Commander
*
* Copyright (C) 1998 The Free Software Foundation
*
* Authors: Federico Mena <federico@nuclecu.unam.mx>
* Miguel de Icaza <miguel@nuclecu.unam.mx>
* Jonathan Blandford <jrb@redhat.com>
*/
/* These rules really need to be duplicated elsewhere.
* They should exist for the menu bar too...
*/
#include <config.h>
#include "global.h"
#include <gnome.h>
#include "panel.h"
#include "cmd.h"
#include "dialog.h"
#include "ext.h"
#include "main.h"
#include "../vfs/vfs.h"
#include "gpageprop.h"
#include "gpopup.h"
#include "gnome-file-property-dialog.h"
#define CLIST_FROM_SW(panel_list) GTK_CLIST (GTK_BIN (panel_list)->child)
/* Flags for the popup menu entries. They specify to which kinds of files an
* entry is valid for.
*/
enum {
F_ALL = 1 << 0, /* Applies to all files */
F_REGULAR = 1 << 1, /* Applies only to regular files */
F_SYMLINK = 1 << 2, /* Applies only to symlinks */
F_SINGLE = 1 << 3, /* Applies only to a single file, not to multiple files */
F_NOTDIR = 1 << 4, /* Applies to non-directories */
F_NOTDEV = 1 << 5, /* Applies to non-devices only (ie. reg, lnk, dir) */
F_ADVANCED = 1 << 6, /* Only appears in advanced mode */
F_MIME_ACTIONS = 1 << 7 /* Special marker for the position of MIME actions */
};
/* typedefs */
struct action {
char *text; /* Menu item text */
int flags; /* Flags from the above enum */
gpointer callback; /* Callback for menu item */
};
/* Multiple File commands */
static void handle_open (GtkWidget *widget, WPanel *panel);
static void handle_view (GtkWidget *widget, WPanel *panel);
static void handle_view_unfiltered (GtkWidget *widget, WPanel *panel);
static void handle_edit (GtkWidget *widget, WPanel *panel);
static void handle_copy (GtkWidget *widget, WPanel *panel);
static void handle_delete (GtkWidget *widget, WPanel *panel);
static void handle_move (GtkWidget *widget, WPanel *panel);
/* F_SINGLE file commands */
static void handle_properties (GtkWidget *widget, WPanel *panel);
static void handle_open_with (GtkWidget *widget, WPanel *panel);
static void handle_hard_link (GtkWidget *widget, WPanel *panel);
static void handle_symlink (GtkWidget *widget, WPanel *panel);
static void handle_edit_symlink (GtkWidget *widget, WPanel *panel);
/* global vars */
extern int we_can_afford_the_speed;
static struct action file_actions[] = {
{ N_("Open"), F_NOTDEV, handle_open },
{ "", F_NOTDEV, NULL },
{ "", F_MIME_ACTIONS, NULL },
{ N_("Open with..."), F_REGULAR | F_SINGLE, handle_open_with },
{ N_("View"), F_REGULAR | F_SINGLE, handle_view },
{ N_("View Unfiltered"), F_REGULAR | F_ADVANCED | F_SINGLE, handle_view_unfiltered },
{ N_("Edit"), F_REGULAR | F_SINGLE, handle_edit },
{ "", F_REGULAR | F_SINGLE, NULL },
{ N_("Copy..."), F_ALL, handle_copy },
{ N_("Delete"), F_ALL, handle_delete },
{ N_("Move..."), F_ALL, handle_move },
{ N_("Hard Link..."), F_ADVANCED | F_SINGLE, handle_hard_link },
{ N_("Symlink..."), F_SINGLE, handle_symlink },
{ N_("Edit Symlink..."), F_SYMLINK | F_SINGLE, handle_edit_symlink },
{ "", F_SINGLE | F_ALL, NULL },
{ N_("Properties..."), F_SINGLE | F_ALL, handle_properties },
{ NULL, 0, NULL }
};
#if 0
static action generic_actions[] = {
{ N_("NEW(FIXME)"), F_ALL, NULL },
{ "", F_ALL, NULL },
{ N_("Change Background"), F_DICON, handle_display_properties },
{ N_("Rescan Directory"), F_ALL, handle_rescan },
{ N_("Arrange Icons"), F_DICON, handle_arrange_icons },
{ N_(""), F_DICON, NULL },
{ N_("Logout"), F_DICON, handle_logout },
{ NULL, 0, NULL }
};
#endif
/* This is our custom signal connection function for popup menu items -- see below for the
* marshaller information. We pass the original callback function as the data pointer for the
* marshaller (uiinfo->moreinfo).
*/
static void
popup_connect_func (GnomeUIInfo *uiinfo, gchar *signal_name, GnomeUIBuilderData *uibdata)
{
g_assert (uibdata->is_interp);
if (uiinfo->moreinfo) {
gtk_object_set_data (GTK_OBJECT (uiinfo->widget), "popup_user_data",
uiinfo->user_data);
gtk_signal_connect_full (GTK_OBJECT (uiinfo->widget), signal_name,
NULL,
uibdata->relay_func,
uiinfo->moreinfo,
uibdata->destroy_func,
FALSE,
FALSE);
}
}
/* Our custom marshaller for menu items. We need it so that it can extract the
* per-attachment user_data pointer from the parent menu shell and pass it to
* the callback. This overrides the user-specified data from the GnomeUIInfo
* structures.
*/
typedef void (* ActivateFunc) (GtkObject *object, WPanel *panel);
static void
popup_marshal_func (GtkObject *object, gpointer data, guint n_args, GtkArg *args)
{
ActivateFunc func;
gpointer user_data;
func = (ActivateFunc) data;
user_data = gtk_object_get_data (object, "popup_user_data");
gtk_object_set_data (GTK_OBJECT (GTK_WIDGET (object)->parent), "popup_active_item", object);
(* func) (object, user_data);
}
/* Fills the menu with the specified uiinfo at the specified position, using our
* magic marshallers to be able to fetch the active item. The code is
* shamelessly ripped from gnome-popup-menu.
*/
static void
fill_menu (GtkMenuShell *menu_shell, GnomeUIInfo *uiinfo, int pos)
{
GnomeUIBuilderData uibdata;
/* We use our own callback marshaller so that it can fetch the popup
* user data from the popup menu and pass it on to the user-defined
* callbacks.
*/
uibdata.connect_func = popup_connect_func;
uibdata.data = NULL;
uibdata.is_interp = TRUE;
uibdata.relay_func = popup_marshal_func;
uibdata.destroy_func = NULL;
gnome_app_fill_menu_custom (menu_shell, uiinfo, &uibdata, NULL, FALSE, pos);
}
/* Convenience function to free something when an object is destroyed */
static void
free_on_destroy (GtkObject *object, gpointer data)
{
g_free (data);
}
/* Callback for MIME-based actions */
static void
mime_action_callback (GtkWidget *widget, gpointer data)
{
char *filename;
char *key;
char *mime_type;
char *value;
filename = data;
key = gtk_object_get_user_data (GTK_OBJECT (widget));
g_assert (filename != NULL);
g_assert (key != NULL);
mime_type = gnome_mime_type_or_default (filename, NULL);
g_assert (mime_type != NULL);
value = gnome_mime_get_value (mime_type, key);
exec_extension (filename, value, NULL, NULL, 0);
}
/* Creates the menu items for actions based on the MIME type of the selected
* file in the panel.
*/
static int
create_mime_actions (GtkWidget *menu, WPanel *panel, int pos)
{
char *full_name;
const char *mime_type;
GList *keys, *l;
GnomeUIInfo uiinfo[] = {
{ 0 },
GNOMEUIINFO_END
};
full_name = g_concat_dir_and_file (panel->cwd, panel->dir.list[panel->selected].fname);
mime_type = gnome_mime_type_or_default (full_name, NULL);
g_free (full_name);
if (!mime_type)
return pos;
keys = gnome_mime_get_keys (mime_type);
for (l = keys; l; l = l->next) {
char *key;
char *str;
str = key = l->data;
if (strncmp (key, "open.", 5) != 0)
continue;
str += 5;
while (*str && *str != '.')
str++;
if (*str)
str++;
if (!*str)
continue;
/* Create the item for that entry */
uiinfo[0].type = GNOME_APP_UI_ITEM;
uiinfo[0].label = str;
uiinfo[0].hint = NULL;
uiinfo[0].moreinfo = mime_action_callback;
uiinfo[0].user_data = full_name;
uiinfo[0].unused_data = NULL;
uiinfo[0].pixmap_type = GNOME_APP_PIXMAP_NONE;
uiinfo[0].pixmap_info = NULL;
uiinfo[0].accelerator_key = 0;
uiinfo[0].ac_mods = 0;
uiinfo[0].widget = NULL;
fill_menu (GTK_MENU_SHELL (menu), uiinfo, pos++);
gtk_object_set_user_data (GTK_OBJECT (uiinfo[0].widget), key);
/* Remember to free this memory */
gtk_signal_connect (GTK_OBJECT (uiinfo[0].widget), "destroy",
(GtkSignalFunc) free_on_destroy,
full_name);
}
g_list_free (keys);
return pos;
}
/* Creates the menu items for the standard actions. Returns the position at
* which additional menu items should be inserted.
*/
static void
create_actions (GtkWidget *menu, gint flags, WPanel *panel)
{
struct action *action;
int pos;
GnomeUIInfo uiinfo[] = {
{ 0 },
GNOMEUIINFO_END
};
pos = 0;
for (action = file_actions; action->text; action++) {
/* Insert the MIME actions if appropriate */
if ((action->flags & F_MIME_ACTIONS) && (flags & F_SINGLE)) {
pos = create_mime_actions (menu, panel, pos);
continue;
}
/* Filter the actions that are not appropriate */
if ((action->flags & flags) != action->flags)
continue;
/* Create the menu item for this action */
if (action->text[0]) {
uiinfo[0].type = GNOME_APP_UI_ITEM;
uiinfo[0].label = _(action->text);
uiinfo[0].hint = NULL;
uiinfo[0].moreinfo = action->callback;
uiinfo[0].user_data = (gpointer) panel;
uiinfo[0].unused_data = NULL;
uiinfo[0].pixmap_type = GNOME_APP_PIXMAP_NONE;
uiinfo[0].pixmap_info = NULL;
uiinfo[0].accelerator_key = 0;
uiinfo[0].ac_mods = 0;
uiinfo[0].widget = NULL;
} else
uiinfo[0].type = GNOME_APP_UI_SEPARATOR;
fill_menu (GTK_MENU_SHELL (menu), uiinfo, pos++);
}
}
/* Convenience callback to exit the main loop of a modal popup menu when it is deactivated*/
static void
menu_shell_deactivated (GtkMenuShell *menu_shell, WPanel *panel)
{
gtk_main_quit ();
}
/* Returns the index of the active item in the specified menu, or -1 if none is active */
static int
get_active_index (GtkMenu *menu)
{
GList *l;
GtkWidget *active;
int i;
active = gtk_object_get_data (GTK_OBJECT (menu), "popup_active_item");
for (i = 0, l = GTK_MENU_SHELL (menu)->children; l; l = l->next, i++)
if (active == l->data)
return i;
return -1;
}
#define REMOVE(x,f) x &= ~f
int
gpopup_do_popup2 (GdkEventButton *event, WPanel *panel)
{
GtkWidget *menu;
gint flags = F_ALL | F_REGULAR | F_SYMLINK | F_SINGLE | F_NOTDEV | F_NOTDIR;
struct stat s;
guint id;
int i;
int marked;
g_return_val_if_fail (event != NULL, -1);
g_return_val_if_fail (panel != NULL, -1);
menu = gtk_menu_new ();
/* Connect to the deactivation signal to be able to quit our modal main
* loop.
*/
id = gtk_signal_connect (GTK_OBJECT (menu), "deactivate",
(GtkSignalFunc) menu_shell_deactivated,
NULL);
marked = 0;
for (i = 0; i < panel->count; i++) {
if (!strcmp (panel->dir.list [i].fname, "..") || !panel->dir.list[i].f.marked)
continue;
marked++;
s = panel->dir.list[i].buf;
if (S_ISLNK (s.st_mode))
mc_stat (panel->dir.list [i].fname, &s);
else
REMOVE (flags, F_SYMLINK);
if (S_ISDIR (s.st_mode))
REMOVE (flags, F_NOTDIR);
if (!S_ISREG (s.st_mode))
REMOVE (flags, F_REGULAR);
if (S_ISCHR (s.st_mode) || S_ISBLK (s.st_mode))
REMOVE (flags, F_NOTDEV);
}
g_assert (marked > 0);
if (marked > 1)
REMOVE (flags, F_SINGLE);
/* Fill the menu */
create_actions (menu, flags, panel);
/* Run it */
gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, event->button, event->time);
gtk_grab_add (menu);
gtk_main ();
gtk_grab_remove (menu);
gtk_signal_disconnect (GTK_OBJECT (menu), id);
i = get_active_index (GTK_MENU (menu));
gtk_widget_destroy (menu);
return i;
}
static void
handle_open (GtkWidget *widget, WPanel *panel)
{
if (do_enter (panel))
return;
handle_open_with (widget, panel);
}
static void
handle_view (GtkWidget *widget, WPanel *panel)
{
view_cmd (panel);
}
static void
handle_view_unfiltered (GtkWidget *widget, WPanel *panel)
{
view_simple_cmd (panel);
}
static void
handle_edit (GtkWidget *widget, WPanel *panel)
{
edit_cmd (panel);
}
static void
handle_copy (GtkWidget *widget, WPanel *panel)
{
copy_cmd ();
}
static void
handle_delete (GtkWidget *widget, WPanel *panel)
{
delete_cmd ();
}
static void
handle_move (GtkWidget *widget, WPanel *panel)
{
ren_cmd ();
}
/* F_SINGLE file commands */
static void
handle_properties (GtkWidget *widget, WPanel *panel)
{
gint retval;
file_entry *fe;
char *full_name;
GtkWidget *dlg;
fe = &panel->dir.list [panel->selected];
full_name = concat_dir_and_file (panel->cwd, fe->fname);
dlg = gnome_file_property_dialog_new (full_name, we_can_afford_the_speed);
gnome_dialog_set_parent (GNOME_DIALOG (dlg),
GTK_WINDOW (gtk_widget_get_toplevel (panel->ministatus)));
if (gnome_dialog_run (GNOME_DIALOG (dlg)) == 0)
retval = gnome_file_property_dialog_make_changes (GNOME_FILE_PROPERTY_DIALOG (dlg));
gtk_widget_destroy (dlg);
g_free (full_name);
if (retval)
reread_cmd ();
}
static void
handle_open_with (GtkWidget *widget, WPanel *panel)
{
char *command;
command = input_expand_dialog (_("Open with"),
_("Enter extra arguments:"),
panel->dir.list [panel->selected].fname);
if (!command)
return;
execute (command);
g_free (command);
}
static void
handle_hard_link (GtkWidget *widget, WPanel *panel)
{
/* yeah right d: -jrb */
link_cmd ();
}
static void
handle_symlink (GtkWidget *widget, WPanel *panel)
{
symlink_cmd ();
}
static void
handle_edit_symlink (GtkWidget *widget, WPanel *panel)
{
edit_symlink_cmd ();
}
static void
handle_rescan (GtkWidget *widget, WPanel *panel)
{
reread_cmd ();
}
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