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mc/gnome/gdesktop.c

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/*
* Controls the desktop contents
* (C) 1998 the Free Software Foundation
*
* Author: Miguel de Icaza (miguel@gnu.org)
*/
#include <config.h>
#include "fs.h"
#include <gnome.h>
#include "util.h"
#include "gdesktop.h"
#include "../vfs/vfs.h"
#include <string.h>
#include "main.h"
#include "file.h"
#include "global.h"
#include "panel.h"
#include "gscreen.h"
#include "ext.h"
#include "dialog.h"
#include "gpageprop.h"
#include <gdk/gdkx.h>
#include <gdk/gdkprivate.h>
/* places used in the grid */
static char *spot_array;
/* number of icons that fit along the x and y axis */
static int x_spots, y_spots;
/* operations on drops */
enum {
OPER_COPY,
OPER_MOVE,
OPER_LINK
};
/* The X11 root window */
static GnomeRootWin *root_window;
/* use grid? */
int icons_snap_to_grid = 1;
/* The full name of the desktop directory ~/desktop */
char *desktop_directory;
static void desktop_reload (char *desktop_dir);
static void desktop_icon_context_popup (GdkEventButton *event, desktop_icon_t *di);
/* The list with the filenames we have actually loaded */
static GList *desktop_icons;
#define ELEMENTS(x) (sizeof (x) / sizeof (x[0]))
static void
init_spot_list (void)
{
int size;
x_spots = gdk_screen_width () / SNAP_X;
y_spots = gdk_screen_height () / SNAP_Y;
size = (x_spots * y_spots) / 8;
spot_array = xmalloc (size+1, "spot_array");
memset (spot_array, 0, size);
}
static int
is_spot_set (int x, int y)
{
int o = (x * x_spots + y);
int idx = o / 8;
int bit = o % 8;
return spot_array [idx] & (1 << bit);
}
static void
set_spot_val (int x, int y, int set)
{
int o = (x * x_spots + y);
int idx = o / 8;
int bit = o % 8;
if (set)
spot_array [idx] |= (1 << bit);
else
spot_array [idx] &= ~(1 << bit);
}
static void
allocate_free_spot (int *rx, int *ry)
{
int x, y;
for (x = 0; x < x_spots; x++)
for (y = 0; y < y_spots; y++)
if (!is_spot_set (x, y)){
*rx = x;
*ry = y;
set_spot_val (x, y, 1);
return;
}
}
static void
snap_to (desktop_icon_t *di, int absolute, int x, int y)
{
int nx = x/SNAP_X;
int ny = y/SNAP_Y;
if (!absolute && is_spot_set (nx, ny))
allocate_free_spot (&di->grid_x, &di->grid_y);
else {
set_spot_val (nx, ny, 1);
di->grid_x = nx;
di->grid_y = ny;
}
}
/* Get snapped position for an icon */
static void
get_icon_screen_x_y (desktop_icon_t *di, int *x, int *y)
{
if (di->grid_x != -1){
*x = di->grid_x * SNAP_X;
*y = di->grid_y * SNAP_Y;
*x = *x + (SNAP_X - di->widget->requisition.width)/2;
if (*x < 0)
*x = 0;
if (di->widget->requisition.height > SNAP_Y)
*y = *y + (SNAP_Y - di->widget->requisition.height)/2;
else
*y = *y + (SNAP_Y - di->widget->requisition.height);
} else {
*x = di->x;
*y = di->y;
}
}
/*
* If the dentry is zero, then no information from the on-disk .desktop file is used
* In this case, we probably will have to store the geometry for a file somewhere
* else.
*/
static int current_x, current_y;
static void
desktop_icon_set_position (desktop_icon_t *di)
{
static int x, y = 10;
x = -1;
if (di->dentry && di->dentry->geometry){
char *comma = strchr (di->dentry->geometry, ',');
if (comma){
x = atoi (di->dentry->geometry);
comma++;
y = atoi (comma);
}
}
gtk_widget_size_request (di->widget, &di->widget->requisition);
if (icons_snap_to_grid){
if (x == -1){
x = current_x;
y = current_y;
current_y += SNAP_Y;
if (current_y > gdk_screen_height ())
current_x += SNAP_X;
snap_to (di, 1, x, y);
} else
snap_to (di, 0, x, y);
get_icon_screen_x_y (di, &x, &y);
} else {
/* This find-spot routine can obviously be improved, left as an excercise
* to the hacker
*/
if (x == -1){
x = current_x;
y = current_y;
current_y += di->widget->requisition.height + 8;
if (current_y > gdk_screen_height ()){
current_x += SNAP_X;
current_y = 0;
}
}
x += 6;
di->grid_x = di->grid_y = -1;
}
di->x = x;
di->y = y;
gdk_window_lower (di->widget->window);
gtk_widget_set_uposition (di->widget, x, y);
}
/*
* Returns the icon associated with the given file name, or app.xpm
* if no icon is defined for this application
*/
static char *
get_desktop_icon (char *pathname)
{
char *fname, *full_fname;
fname = regex_command (x_basename (pathname), "Icon", 0, 0);
/* Try the GNOME icon */
if (fname){
full_fname = gnome_unconditional_pixmap_file (fname);
if (exist_file (full_fname))
return full_fname;
g_free (full_fname);
}
/* Try a mc icon */
if (fname){
full_fname = concat_dir_and_file (ICONDIR, fname);
if (exist_file (full_fname))
return full_fname;
free (full_fname);
}
return gnome_unconditional_pixmap_file ("launcher-program.xpm");
}
/*
* Hackisigh routine taken from GDK
*/
static void
gdk_dnd_drag_begin (GdkWindow *initial_window)
{
GdkEventDragBegin tev;
tev.type = GDK_DRAG_BEGIN;
tev.window = initial_window;
tev.u.allflags = 0;
tev.u.flags.protocol_version = DND_PROTOCOL_VERSION;
gdk_event_put ((GdkEvent *) &tev);
}
void
artificial_drag_start (GdkWindow *window, int x, int y)
{
GdkWindowPrivate *wp = (GdkWindowPrivate *) window;
if (!wp->dnd_drag_enabled)
return;
#if 1
if (!gdk_dnd.drag_perhaps)
return;
if (gdk_dnd.dnd_grabbed)
return;
if (gdk_dnd.drag_really)
return;
gdk_dnd_drag_addwindow (window);
gdk_dnd_drag_begin (window);
XGrabPointer (gdk_display, wp->xwindow, False,
ButtonMotionMask | ButtonPressMask | ButtonReleaseMask,
GrabModeAsync, GrabModeAsync, gdk_root_window,
None, CurrentTime);
gdk_dnd.dnd_grabbed = TRUE;
gdk_dnd.drag_really = 1;
gdk_dnd_display_drag_cursor (x, y, FALSE, TRUE);
#else
gdk_dnd.real_sw = wp;
gdk_dnd.dnd_drag_start.x = x;
gdk_dnd.dnd_drag_start.y = y;
gdk_dnd.drag_perhaps = 1;
if(gdk_dnd.drag_startwindows)
{
g_free(gdk_dnd.drag_startwindows);
gdk_dnd.drag_startwindows = NULL;
}
gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0;
gdk_dnd.dnd_grabbed = FALSE;
{
/* Set motion mask for first DnD'd window, since it
will be the one that is actually dragged */
XWindowAttributes dnd_winattr;
XSetWindowAttributes dnd_setwinattr;
/* We need to get motion events while the button is down, so
we can know whether to really start dragging or not... */
XGetWindowAttributes(gdk_display, (Window)wp->xwindow,
&dnd_winattr);
wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask;
dnd_setwinattr.event_mask =
wp->dnd_drag_eventmask = ButtonMotionMask | ButtonPressMask | ButtonReleaseMask |
EnterWindowMask | LeaveWindowMask;
XChangeWindowAttributes(gdk_display, wp->xwindow,
CWEventMask, &dnd_setwinattr);
}
#endif
}
static int operation_value;
static void
set_option (GtkWidget *widget, int value)
{
operation_value = value;
gtk_main_quit ();
}
static void
option_menu_gone ()
{
operation_value = -1;
gtk_main_quit ();
}
static int
get_operation (guint32 timestamp, int x, int y)
{
static GtkWidget *menu;
if (!menu){
GtkWidget *item;
menu = gtk_menu_new ();
item = gtk_menu_item_new_with_label (_("Copy"));
gtk_signal_connect (GTK_OBJECT (item), "activate", GTK_SIGNAL_FUNC(set_option), (void *) OPER_COPY);
gtk_menu_append (GTK_MENU (menu), item);
gtk_widget_show (item);
item = gtk_menu_item_new_with_label (_("Move"));
gtk_signal_connect (GTK_OBJECT (item), "activate", GTK_SIGNAL_FUNC(set_option), (void *) OPER_MOVE);
gtk_menu_append (GTK_MENU (menu), item);
gtk_widget_show (item);
/* Not yet implemented the Link bits, so better to not show what we dont have */
item = gtk_menu_item_new_with_label (_("Link"));
gtk_signal_connect (GTK_OBJECT (item), "activate", GTK_SIGNAL_FUNC(set_option), (void *) OPER_LINK);
gtk_menu_append (GTK_MENU (menu), item);
gtk_widget_show (item);
gtk_signal_connect (GTK_OBJECT (menu), "hide", GTK_SIGNAL_FUNC(option_menu_gone), 0);
}
/* Here, we could set the mask parameter (the last NULL) to a valid variable
* and find out if the shift/control keys were set and do something smart
* about that
*/
gtk_widget_set_uposition (menu, x, y);
/* FIXME: We should catch any events that escape this menu and cancel it */
operation_value = -1;
gtk_menu_popup (GTK_MENU (menu), NULL, NULL, 0, NULL, 1, timestamp);
gtk_grab_add (menu);
gtk_main ();
gtk_grab_remove (menu);
gtk_widget_hide (menu);
return operation_value;
}
/* Used by check_window_id_in_one_panel and find_panel_owning_window_id for finding
* the panel that contains the specified window id (used to figure where the drag
* started)
*/
static WPanel *temp_panel;
static void
check_window_id_in_one_panel (gpointer data, gpointer user_data)
{
PanelContainer *pc = (PanelContainer *) data;
int id = (int) user_data;
WPanel *panel = pc->panel;
GtkCList *clist = GTK_CLIST (panel->list);
GdkWindowPrivate *gdk_wp;
gdk_wp = (GdkWindowPrivate *) clist->clist_window;
if (gdk_wp->xwindow == id){
temp_panel = panel;
return;
}
gdk_wp = (GdkWindowPrivate *) GTK_WIDGET (clist)->window;
if (gdk_wp->xwindow == id){
temp_panel = panel;
return;
}
}
static WPanel *
find_panel_owning_window_id (int id)
{
temp_panel = NULL;
g_list_foreach (containers, check_window_id_in_one_panel, (gpointer) id);
return temp_panel;
}
static void
perform_drop_on_directory (WPanel *source_panel, int operation, char *dest)
{
switch (operation){
case OPER_COPY:
panel_operate (source_panel, OP_COPY, dest);
break;
case OPER_MOVE:
panel_operate (source_panel, OP_MOVE, dest);
break;
}
}
static void
perform_drop_manually (int operation, GdkEventDropDataAvailable *event, char *dest)
{
int count = event->data_numbytes;
char *p = event->data;
int len;
switch (operation){
case OPER_COPY:
create_op_win (OP_COPY, 0);
break;
case OPER_MOVE:
create_op_win (OP_MOVE, 0);
break;
}
file_mask_defaults ();
do {
char *tmpf;
len = 1 + strlen (event->data);
count -= len;
switch (operation){
case OPER_COPY:
tmpf = concat_dir_and_file (dest, x_basename (p));
copy_file_file (p, tmpf, 1);
free (tmpf);
break;
case OPER_MOVE:
create_op_win (OP_MOVE, 0);
file_mask_defaults ();
tmpf = concat_dir_and_file (dest, x_basename (p));
move_file_file (p, tmpf);
free (tmpf);
break;
}
p += len;
} while (count > 0);
destroy_op_win ();
}
static void
do_symlinks (GdkEventDropDataAvailable *event, char *dest)
{
int count = event->data_numbytes;
char *p = event->data;
int len;
do {
char *full_dest_name;
len = 1 + strlen (event->data);
count -= len;
full_dest_name = concat_dir_and_file (dest, x_basename (p));
mc_symlink (p, full_dest_name);
free (full_dest_name);
p += len;
} while (count > 0);
}
void
drop_on_directory (GdkEventDropDataAvailable *event, char *dest, int force_manually)
{
WPanel *source_panel;
int operation;
operation = get_operation (event->timestamp, event->coords.x, event->coords.y);
if (operation == -1)
return;
/* Optimization: if we are dragging from the same process, we can
* display a nicer status bar.
*/
source_panel = find_panel_owning_window_id (event->requestor);
/* Symlinks do not use any panel/file.c optimization */
if (operation == OPER_LINK){
do_symlinks (event, dest);
return;
}
if (source_panel && !force_manually){
perform_drop_on_directory (source_panel, operation, dest);
update_one_panel_widget (source_panel, 0, UP_KEEPSEL);
panel_update_contents (source_panel);
} else
perform_drop_manually (operation, event, dest);
return;
}
static void
url_dropped (GtkWidget *widget, GdkEventDropDataAvailable *event, desktop_icon_t *di)
{
char *p;
int count;
int len;
int is_directory = 0;
printf ("URL dropped\n");
/* if DI is set to zero, then it is a drop on the root window */
if (di)
is_directory = strcasecmp (di->dentry->type, "directory") == 0;
else {
drop_on_directory (event, desktop_directory, 1);
desktop_reload (desktop_directory);
return;
}
if (is_directory){
drop_on_directory (event, di->dentry->exec, 0);
return;
}
printf ("Arguments to non-directory (FIXME: needs to be implemented):\n");
count = event->data_numbytes;
p = event->data;
do {
len = 1 + strlen (event->data);
count -= len;
printf ("[%s], ", p);
p += len;
} while (count);
printf ("\nReceiving: %s %d\n", (char *) event->data, (int) event->data_numbytes);
}
static void
drop_cb (GtkWidget *widget, GdkEventDropDataAvailable *event, desktop_icon_t *di)
{
if (strcmp (event->data_type, "icon/root") == 0){
printf ("ICON DROPPED ON ROOT!\n");
} else
url_dropped (widget, event, di);
}
static void
drop_enter_leave ()
{
/* printf ("Enter/Leave\n"); */
}
static void
connect_drop_signals (GtkWidget *widget, desktop_icon_t *di)
{
GtkObject *o = GTK_OBJECT (widget);
gtk_signal_connect (o, "drop_enter_event", GTK_SIGNAL_FUNC (drop_enter_leave), di);
gtk_signal_connect (o, "drop_leave_event", GTK_SIGNAL_FUNC (drop_enter_leave), di);
gtk_signal_connect (o, "drop_data_available_event", GTK_SIGNAL_FUNC (drop_cb), di);
}
static void
dentry_execute (desktop_icon_t *di)
{
GnomeDesktopEntry *dentry = di->dentry;
/* Ultra lame-o execute. This should be replaced by the fixed regexp_command
* invocation
*/
if (strcmp (di->dentry->type, "Directory") == 0){
new_panel_at (di->dentry->exec);
} else
gnome_desktop_entry_launch (dentry);
}
static void
start_icon_drag (GtkWidget *wi, GdkEventMotion *event)
{
printf ("MOTION NOTIF!\n");
artificial_drag_start (wi->window, event->x, event->y);
}
GdkPoint root_icon_drag_hotspot = { 15, 15 };
static void
desktop_icon_configure_position (desktop_icon_t *di, int x, int y)
{
gtk_widget_set_uposition (di->widget, x, y);
if (di->dentry){
char buffer [40];
sprintf (buffer, "%d,%d", x, y);
if (di->dentry->geometry)
g_free (di->dentry->geometry);
di->dentry->geometry = g_strdup (buffer);
gnome_desktop_entry_save (di->dentry);
}
}
static void
desktop_icon_drag_request (GtkWidget *widget, GdkEventDragRequest *event, desktop_icon_t *di)
{
printf ("Drag type: %s\n", event->data_type);
if (strcmp (event->data_type, "url:ALL") == 0){
gdk_window_dnd_data_set (widget->window, (GdkEvent *)event, di->pathname, strlen (di->pathname) + 1);
} else {
int drop_x, drop_y;
drop_x = event->drop_coords.x - root_icon_drag_hotspot.x;
drop_y = event->drop_coords.y - root_icon_drag_hotspot.y;
/* Icon dropped on root. We take care of it */
printf ("Dropped at %d %d\n", drop_x, drop_y);
if (di->grid_x != -1)
set_spot_val (di->grid_x, di->grid_y, 0);
if (icons_snap_to_grid){
int px, py;
snap_to (di, 0, drop_x, drop_y);
get_icon_screen_x_y (di, &drop_x, &drop_y);
}
desktop_icon_configure_position (di, drop_x, drop_y);
}
}
static GtkWidget *root_drag_ok_window;
static GtkWidget *root_drag_not_ok_window;
static void
destroy_shaped_dnd_windows (void)
{
if (root_drag_not_ok_window){
gtk_widget_destroy (root_drag_not_ok_window);
root_drag_not_ok_window = 0;
}
if (root_drag_ok_window){
gtk_widget_destroy (root_drag_ok_window);
root_drag_ok_window = 0;
}
}
void
gnome_arrange_icons (void)
{
GList *l;
current_x = current_y = 0;
memset (spot_array, 0, (x_spots * y_spots)/8);
for (l = desktop_icons; l; l = l->next){
desktop_icon_t *di = l->data;
int x, y;
snap_to (di, 1, current_x, current_y);
get_icon_screen_x_y (di, &x, &y);
desktop_icon_configure_position (di, x, y);
current_y += SNAP_Y;
if (current_y == gdk_screen_height ()){
current_y = 0;
current_x += SNAP_X;
}
}
}
/* As Elliot can not be bothered to fix his DnD code in Gdk and it is an absolute mess */
static int in_desktop_dnd;
static void
desktop_icon_drag_start (GtkWidget *widget, GdkEvent *event, desktop_icon_t *di)
{
char *fname;
if (in_desktop_dnd)
return;
in_desktop_dnd = 1;
/* This should not happen, as the drag end routine should destroy those widgets */
destroy_shaped_dnd_windows ();
if (di->dentry)
fname = strdup (di->dentry->icon);
else
fname = get_desktop_icon (di->pathname);
if (fname){
/* FIXME: we are using the same icon for ok and not ok drags */
root_drag_ok_window = make_transparent_window (fname);
root_drag_not_ok_window = make_transparent_window (fname);
gdk_dnd_set_drag_shape (root_drag_ok_window->window, &root_icon_drag_hotspot,
root_drag_not_ok_window->window, &root_icon_drag_hotspot);
gtk_widget_show (root_drag_not_ok_window);
gtk_widget_show (root_drag_ok_window);
free (fname);
}
}
static void
desktop_icon_drag_end (GtkWidget *widget, GdkEvent *event, desktop_icon_t *di)
{
in_desktop_dnd = 0;
printf ("!!!!!!!! drag end!\n");
destroy_shaped_dnd_windows ();
}
/*
* Bind the signals so that we can make this icon draggable
*/
static void
desktop_icon_make_draggable (desktop_icon_t *di)
{
GtkObject *obj = GTK_OBJECT (di->widget);
char *drag_types [] = { "icon/root", "url:ALL" };
/* To artificially start up drag and drop */
/* gtk_signal_connect (obj, "motion_notify_event", GTK_SIGNAL_FUNC (start_icon_drag), di); */
gtk_widget_dnd_drag_set (di->widget, TRUE, drag_types, ELEMENTS (drag_types));
gtk_signal_connect (obj, "drag_request_event", GTK_SIGNAL_FUNC (desktop_icon_drag_request), di);
gtk_signal_connect (obj, "drag_begin_event", GTK_SIGNAL_FUNC (desktop_icon_drag_start), di);
gtk_signal_connect (obj, "drag_end_event", GTK_SIGNAL_FUNC (desktop_icon_drag_end), di);
}
/*
* destroys a desktop_icon_t structure and anything that was held there,
* including the desktop widget.
*/
static void
desktop_release_desktop_icon_t (desktop_icon_t *di)
{
if (di->dentry){
gnome_desktop_entry_free (di->dentry);
} else {
free (di->pathname);
di->pathname = 0;
}
if (di->widget){
gtk_widget_destroy (di->widget);
di->widget = 0;
}
free (di);
}
/*
* Removes an icon from the desktop and kills the ~/desktop file associated with it
*/
static void
desktop_icon_remove (desktop_icon_t *di)
{
desktop_icons = g_list_remove (desktop_icons, di);
mc_unlink (di->pathname);
desktop_release_desktop_icon_t (di);
}
/* Called by the pop up menu: removes the icon from the desktop */
static void
icon_delete (GtkWidget *widget, desktop_icon_t *di)
{
desktop_icon_remove (di);
}
GtkWidget *
my_create_transparent_text_window (char *file, char *text)
{
GtkWidget *w;
int events = GDK_BUTTON_PRESS_MASK | GDK_BUTTON1_MOTION_MASK;
w = create_transparent_text_window (file, text, events);
if (!w){
static char *default_pix;
if (!default_pix){
default_pix = gnome_unconditional_pixmap_file ("launcher-program.xpm");
}
w = create_transparent_text_window (default_pix, text, events);
if (!w)
return NULL;
}
return w;
}
static GtkWidget *
get_transparent_window_for_dentry (GnomeDesktopEntry *dentry)
{
GtkWidget *window;
char *icon_label;
icon_label = dentry->name ? dentry->name : x_basename (dentry->exec);
if (dentry->icon)
window = my_create_transparent_text_window (dentry->icon, icon_label);
else {
static char *default_icon_path;
static char exists;
if (!default_icon_path) {
default_icon_path = gnome_unconditional_pixmap_file ("launcher-program.xpm");
if (g_file_exists (default_icon_path))
exists = 1;
}
if (exists)
window = my_create_transparent_text_window (default_icon_path, icon_label);
else {
window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_widget_set_usize (window, 20, 20);
}
}
return window;
}
static int
dentry_button_click (GtkWidget *widget, GdkEventButton *event, desktop_icon_t *di)
{
if (event->button == 1){
if (event->type == GDK_2BUTTON_PRESS)
dentry_execute (di);
return TRUE;
}
if (event->type == GDK_BUTTON_PRESS && event->button == 3){
desktop_icon_context_popup (event, di);
return TRUE;
}
return FALSE;
}
char *drop_types [] = {
"text/plain",
"url:ALL",
};
static void
post_setup_desktop_icon (desktop_icon_t *di, int show)
{
desktop_icon_make_draggable (di);
/* Setup the widget to make it useful: */
/* 1. Drag and drop functionality */
connect_drop_signals (di->widget, di);
gtk_widget_dnd_drop_set (di->widget, TRUE, drop_types, ELEMENTS (drop_types), FALSE);
/* 2. Double clicking executes the command */
gtk_signal_connect (GTK_OBJECT (di->widget), "button_press_event", GTK_SIGNAL_FUNC (dentry_button_click), di);
if (show)
gtk_widget_show (di->widget);
}
/* Pops up the icon properties pages */
static void
icon_properties (GtkWidget *widget, desktop_icon_t *di)
{
int retval;
retval = item_properties (di->widget, di->pathname, di);
if (retval & (GPROP_TITLE | GPROP_ICON)) {
gtk_widget_destroy (di->widget);
di->widget = get_transparent_window_for_dentry (di->dentry);
post_setup_desktop_icon (di, 1);
gnome_desktop_entry_save (di->dentry);
}
}
/*
* Activates the context sensitive menu for this icon
*/
static void
desktop_icon_context_popup (GdkEventButton *event, desktop_icon_t *di)
{
static GtkWidget *menu;
GtkWidget *item;
menu = gtk_menu_new ();
/* We connect_object_after to the items so that we can destroy
* the menu at the proper time.
*/
item = gtk_menu_item_new_with_label (_("Properties"));
gtk_signal_connect (GTK_OBJECT (item), "activate", GTK_SIGNAL_FUNC (icon_properties), di);
gtk_signal_connect_object_after (GTK_OBJECT (item), "activate",
GTK_SIGNAL_FUNC (gtk_widget_destroy), GTK_OBJECT (menu));
gtk_menu_append (GTK_MENU (menu), item);
gtk_widget_show (item);
item = gtk_menu_item_new_with_label (_("Delete"));
gtk_signal_connect (GTK_OBJECT (item), "activate", GTK_SIGNAL_FUNC (icon_delete), di);
gtk_signal_connect_object_after (GTK_OBJECT (item), "activate",
GTK_SIGNAL_FUNC (gtk_widget_destroy), GTK_OBJECT (menu));
gtk_menu_append (GTK_MENU (menu), item);
gtk_widget_show (item);
gtk_menu_popup (GTK_MENU (menu), NULL, NULL, 0, NULL, 3, event->time);
}
char *root_drop_types [] = {
"icon/root",
"url:ALL"
};
static void
desktop_load_from_dentry (GnomeDesktopEntry *dentry)
{
GtkWidget *window;
desktop_icon_t *di;
window = get_transparent_window_for_dentry (dentry);
if (!window)
return;
di = xmalloc (sizeof (desktop_icon_t), "desktop_load_entry");
di->dentry = dentry;
di->widget = window;
di->pathname = dentry->location;
desktop_icons = g_list_prepend (desktop_icons, di);
post_setup_desktop_icon (di, 0);
desktop_icon_set_position (di);
}
/*
* Loads a .desktop file from FILENAME for the desktop.
*/
static void
desktop_load_dentry (char *filename)
{
GnomeDesktopEntry *dentry;
dentry = gnome_desktop_entry_load (filename);
if (!dentry)
return;
desktop_load_from_dentry (dentry);
}
/*
* Creates a new DIRECTORY/.directory file which is just a .dekstop
* on directories. And then loads it into the desktop
*/
static void
desktop_create_directory_entry (char *dentry_path, char *pathname, char *short_name)
{
GnomeDesktopEntry *dentry;
dentry = xmalloc (sizeof (GnomeDesktopEntry), "dcde");
dentry->name = g_strdup (short_name);
dentry->comment = NULL;
dentry->tryexec = NULL;
dentry->exec = g_strdup (pathname);
dentry->icon = gnome_unconditional_pixmap_file ("gnome-folder.png");
dentry->docpath = NULL;
dentry->type = g_strdup ("Directory");
dentry->location = g_strdup (dentry_path);
dentry->geometry = NULL;
gnome_desktop_entry_save (dentry);
desktop_load_from_dentry (dentry);
}
static int
file_is_executable (char *path)
{
struct stat s;
if (mc_stat (path, &s) == -1)
return 0;
if (is_exe (s.st_mode))
return 1;
return 0;
}
static int
desktop_file_exec (GtkWidget *widget, GdkEventButton *event, desktop_icon_t *di)
{
if (event->type == GDK_2BUTTON_PRESS && event->button == 1){
if (di->dentry){
printf ("FIXME: No support for dentry loaded stuff yet\n");
} else {
if (file_is_executable (di->pathname)){
char *tmp = name_quote (di->pathname, 0);
if (!confirm_execute || (query_dialog (_(" The Midnight Commander "),
_(" Do you really want to execute? "),
0, 2, _("&Yes"), _("&No")) == 0))
execute (tmp);
free (tmp);
} else {
char *result, *command;
result = regex_command (di->pathname, "Open", NULL, 0);
if (result && (strcmp (result, "Success") == 0))
return TRUE;
command = input_expand_dialog (_("Open with..."),
_("Enter extra arguments:"),
di->pathname);
if (command){
execute (command);
free (command);
}
}
}
return TRUE;
}
if (event->type == GDK_BUTTON_PRESS && event->button == 3){
desktop_icon_context_popup (event, di);
return TRUE;
}
return FALSE;
}
static char **
drops_from_event (GdkEventDropDataAvailable *event)
{
int count, i, len;
int arguments;
char *p, **argv;
/* Count the number of file names received */
count = event->data_numbytes;
p = event->data;
arguments = 0;
while (count){
arguments++;
len = strlen (p) + 1;
count -= len;
p += len;
}
/* Create the exec vector with all of the filenames */
argv = (char **) xmalloc (sizeof (char *) * arguments + 1, "arguments");
count = event->data_numbytes;
p = event->data;
i = 0;
do {
len = 1 + strlen (p);
count -= len;
argv [i++] = p;
p += len;
} while (count);
argv [i] = 0;
return argv;
}
static void
drop_on_launch_entry (GtkWidget *widget, GdkEventDropDataAvailable *event, desktop_icon_t *di)
{
struct stat s;
char *r;
char **drops;
/* try to stat it, if it fails, remove it from desktop */
if (!mc_stat (di->pathname, &s) == 0){
desktop_icon_remove (di);
return;
}
drops = drops_from_event (event);
r = regex_command (di->pathname, "Drop", drops, 0);
if (strcmp (r, "Success") == 0){
free (drops);
return;
}
if (is_exe (s.st_mode))
exec_direct (di->pathname, drops);
free (drops);
}
static void
desktop_create_launch_entry (char *pathname, char *short_name)
{
GtkWidget *window;
desktop_icon_t *di;
char *icon;
icon = get_desktop_icon (pathname);
window = my_create_transparent_text_window (icon, x_basename (pathname));
g_free (icon);
if (!window)
return;
di = xmalloc (sizeof (desktop_icon_t), "dcle");
di->dentry = NULL;
di->widget = window;
di->pathname = strdup (pathname);
desktop_icon_set_position (di);
desktop_icon_make_draggable (di);
desktop_icons = g_list_prepend (desktop_icons, (gpointer) di);
/* Double clicking executes the command, single clicking brings up context menu */
gtk_signal_connect (GTK_OBJECT (window), "button_press_event", GTK_SIGNAL_FUNC (desktop_file_exec), di);
gtk_widget_realize (window);
gtk_signal_connect (GTK_OBJECT (window), "drop_data_available_event",
GTK_SIGNAL_FUNC (drop_on_launch_entry), di);
gtk_widget_dnd_drop_set (window, TRUE, drop_types, ELEMENTS (drop_types), FALSE);
}
static int
desktop_pathname_loaded (char *pathname)
{
GList *p = desktop_icons;
for (; p; p = p->next){
desktop_icon_t *di = p->data;
if (strcmp (di->pathname, pathname) == 0)
return 1;
}
return 0;
}
static void
desktop_setup_icon (char *filename, char *full_pathname)
{
struct stat s;
if (mc_stat (full_pathname, &s) == -1)
return;
if (S_ISDIR (s.st_mode)){
char *dir_full = concat_dir_and_file (full_pathname, ".directory");
if (!desktop_pathname_loaded (dir_full)){
if (exist_file (dir_full))
desktop_load_dentry (dir_full);
else
desktop_create_directory_entry (dir_full, full_pathname, filename);
}
} else {
if (strstr (filename, ".desktop")){
if (!desktop_pathname_loaded (full_pathname))
desktop_load_dentry (full_pathname);
} else {
char *desktop_version;
desktop_version = copy_strings (full_pathname, ".desktop", NULL);
if (!exist_file (desktop_version) && !desktop_pathname_loaded (full_pathname))
desktop_create_launch_entry (full_pathname, filename);
free (desktop_version);
}
}
}
/*
* Load all of the entries available on the ~/desktop directory
* So far, we support: .desktop files; directories (they get a .directory file);
* sylinks to directories; other programs.
*/
static void
desktop_reload (char *desktop_dir)
{
struct dirent *dent;
DIR *dir;
dir = mc_opendir (desktop_dir);
if (dir == NULL){
message (1, _(" Warning "), _(" Could not open %s directory"), desktop_dir, NULL);
return;
}
while ((dent = mc_readdir (dir)) != NULL){
char *full;
/* ignore '.' */
if (dent->d_name [0] == '.' && dent->d_name [1] == 0)
continue;
/* ignore `..' */
if (dent->d_name [0] == '.' && dent->d_name [1] == '.' && dent->d_name [2] == 0)
continue;
full = concat_dir_and_file (desktop_dir, dent->d_name);
desktop_setup_icon (dent->d_name, full);
free (full);
}
}
static void
desktop_load (char *desktop_dir)
{
GList *l;
desktop_reload (desktop_dir);
for (l = desktop_icons; l; l = l->next){
desktop_icon_t *di = l->data;
gtk_widget_show (di->widget);
}
}
/*
* Copy the system defaults to the user ~/desktop directory and setup a
* Home directory link
*/
static void
desktop_setup_default (char *desktop_dir)
{
char *mc_desktop_dir;
char *desktop_dir_home_link;
desktop_dir_home_link = concat_dir_and_file (desktop_dir, "Home directory.desktop");
mc_desktop_dir = concat_dir_and_file (mc_home, MC_LIB_DESKTOP);
if (exist_file (mc_desktop_dir)){
create_op_win (OP_COPY, 0);
file_mask_defaults ();
copy_dir_dir (mc_desktop_dir, desktop_dir);
destroy_op_win ();
} else
mkdir (desktop_dir, 0777);
desktop_create_directory_entry (desktop_dir_home_link, "~", "Home directory");
free (desktop_dir_home_link);
free (mc_desktop_dir);
}
/*
* configures the root window dropability
*/
void
desktop_root (void)
{
GtkWidget *rw;
rw = gnome_rootwin_new ();
connect_drop_signals (rw, NULL);
gtk_widget_realize (rw);
gtk_widget_dnd_drop_set (rw, TRUE, root_drop_types, ELEMENTS (root_drop_types), FALSE);
gtk_widget_show (rw);
root_window = GNOME_ROOTWIN (rw);
}
/*
* entry point to start up the gnome desktop
*/
void
start_desktop (void)
{
init_spot_list ();
desktop_directory = concat_dir_and_file (home_dir, "desktop");
if (!exist_file (desktop_directory))
desktop_setup_default (desktop_directory);
desktop_root ();
desktop_load (desktop_directory);
}
/*
* shutdown the desktop
*/
void
stop_desktop (void)
{
GList *p;
for (p = desktop_icons; p; p = p->next){
desktop_icon_t *di = p->data;
desktop_release_desktop_icon_t (di);
}
image_cache_destroy ();
}
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