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1998-12-07 Federico Mena Quintero <federico@nuclecu.unam.mx>

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* gdesktop.c (desktop_icon_info_new): Do not stat the file, as we
	do not need that information anymore.
	(setup_icon_dnd_source): Moved the DnD-as-source code to here.
	(setup_icon_dnd_dest): New function to set up an icon as a DnD
	destination.
This commit is contained in:
Miguel de Icaza 1998-12-08 01:31:17 +00:00
parent c2cb7c2681
commit f41a3e71b8
2 changed files with 119 additions and 35 deletions
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6
gnome/ChangeLog
View File

@ -1,5 +1,11 @@
1998-12-07 Federico Mena Quintero <federico@nuclecu.unam.mx>
* gdesktop.c (desktop_icon_info_new): Do not stat the file, as we
do not need that information anymore.
(setup_icon_dnd_source): Moved the DnD-as-source code to here.
(setup_icon_dnd_dest): New function to set up an icon as a DnD
destination.
* gdesktop.c (desktop_icon_info_place): Doh, do not place icons
past the edge of the *whole* screen :-)
(dnd_press_x dnd_press_y): New variables to store the cursor

146
gnome/gdesktop.c
View File

@ -66,7 +66,7 @@ struct layout_slot {
int desktop_use_shaped_icons = TRUE;
int desktop_auto_placement = FALSE;
int desktop_snap_icons = TRUE;
int desktop_snap_icons = FALSE;
/* The computed name of the user's desktop directory */
static char *desktop_directory;
@ -85,21 +85,26 @@ static struct layout_slot *layout_slots;
/* The last icon to be selected */
static struct desktop_icon_info *last_selected_icon;
/* Drag and drop sources and targets for the desktop */
/* Drag and drop sources and targets */
static GtkTargetEntry dnd_sources[] = {
static GtkTargetEntry dnd_icon_sources[] = {
{ "application/mc-desktop-icon", 0, TARGET_MC_DESKTOP_ICON },
{ "text/uri-list", 0, TARGET_URI_LIST },
{ "text/plain", 0, TARGET_TEXT_PLAIN }
};
static GtkTargetEntry dnd_targets[] = {
static GtkTargetEntry dnd_icon_targets[] = {
{ "text/uri-list", 0, TARGET_URI_LIST }
};
static GtkTargetEntry dnd_desktop_targets[] = {
{ "application/mc-desktop-icon", 0, TARGET_MC_DESKTOP_ICON },
{ "text/uri-list", 0, TARGET_URI_LIST }
};
static int dnd_nsources = sizeof (dnd_sources) / sizeof (dnd_sources[0]);
static int dnd_ntargets = sizeof (dnd_targets) / sizeof (dnd_targets[0]);
static int dnd_icon_nsources = sizeof (dnd_icon_sources) / sizeof (dnd_icon_sources[0]);
static int dnd_icon_ntargets = sizeof (dnd_icon_targets) / sizeof (dnd_icon_targets[0]);
static int dnd_desktop_ntargets = sizeof (dnd_desktop_targets) / sizeof (dnd_desktop_targets[0]);
/* Proxy window for DnD on the root window */
static GtkWidget *dnd_proxy_window;
@ -819,6 +824,98 @@ drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *sel
}
}
/* Set up a desktop icon as a DnD source */
static void
setup_icon_dnd_source (struct desktop_icon_info *dii)
{
gtk_drag_source_set (DESKTOP_ICON (dii->dicon)->canvas,
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
dnd_icon_sources,
dnd_icon_nsources,
GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK | GDK_ACTION_ASK);
gtk_signal_connect (GTK_OBJECT (DESKTOP_ICON (dii->dicon)->canvas), "button_press_event",
(GtkSignalFunc) button_press,
dii);
gtk_signal_connect (GTK_OBJECT (DESKTOP_ICON (dii->dicon)->canvas), "drag_begin",
(GtkSignalFunc) drag_begin,
dii);
gtk_signal_connect (GTK_OBJECT (DESKTOP_ICON (dii->dicon)->canvas), "drag_data_get",
GTK_SIGNAL_FUNC (drag_data_get),
dii);
}
static void
icon_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y,
GtkSelectionData *data, guint info, guint time, gpointer user_data)
{
struct desktop_icon_info *dii;
char *filename;
file_entry *fe;
printf ("Here!\n");
dii = user_data;
filename = g_concat_dir_and_file (desktop_directory, dii->filename);
fe = file_entry_from_file (filename);
if (!fe)
return; /* eek */
switch (info) {
case TARGET_URI_LIST:
if (fe->f.link_to_dir)
gdnd_drop_on_directory (context, data, desktop_directory);
else if (is_exe (fe->buf.st_mode) && if_link_is_exe (fe))
; /* FIXME: launch with the dropped files as arguments */
else
g_assert_not_reached ();
break;
default:
break;
}
}
/* Set up a desktop icon as a DnD destination */
static void
setup_icon_dnd_dest (struct desktop_icon_info *dii)
{
char *filename;
file_entry *fe;
int actions;
filename = g_concat_dir_and_file (desktop_directory, dii->filename);
fe = file_entry_from_file (filename);
g_free (filename);
if (!fe)
return; /* eek */
if (fe->f.link_to_dir)
actions = GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK | GDK_ACTION_ASK;
else if (is_exe (fe->buf.st_mode) && if_link_is_exe (fe))
actions = GDK_ACTION_COPY;
else
actions = 0;
file_entry_free (fe);
if (!actions)
return;
gtk_drag_dest_set (DESKTOP_ICON (dii->dicon)->canvas,
GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
dnd_icon_targets,
dnd_icon_ntargets,
actions);
gtk_signal_connect (GTK_OBJECT (DESKTOP_ICON (dii->dicon)->canvas), "drag_data_received",
GTK_SIGNAL_FUNC (icon_drag_data_received),
dii);
}
/* Creates a new desktop icon. The filename is the pruned filename inside the desktop directory.
* If auto_pos is false, it will use the specified coordinates for the icon. Else, it will use
* auto- positioning trying to start at the specified coordinates. It does not show the icon.
@ -829,18 +926,10 @@ desktop_icon_info_new (char *filename, int auto_pos, int xpos, int ypos)
struct desktop_icon_info *dii;
char *full_name;
char *icon_name;
struct stat s;
full_name = g_concat_dir_and_file (desktop_directory, filename);
if (mc_lstat (full_name, &s) != 0) {
g_warning ("Could not stat %s; will not use a desktop icon", full_name);
g_free (full_name);
return NULL;
}
/* Create the icon structure */
full_name = g_concat_dir_and_file (desktop_directory, filename);
icon_name = gmeta_get_icon_for_file (full_name);
dii = g_new (struct desktop_icon_info, 1);
@ -878,23 +967,10 @@ desktop_icon_info_new (char *filename, int auto_pos, int xpos, int ypos)
(GtkSignalFunc) editing_stopped,
dii);
/* Connect the DnD signals */
/* Prepare the DnD functionality for this icon */
gtk_drag_source_set (DESKTOP_ICON (dii->dicon)->canvas,
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
dnd_sources,
dnd_nsources,
GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK | GDK_ACTION_ASK);
gtk_signal_connect (GTK_OBJECT (DESKTOP_ICON (dii->dicon)->canvas), "button_press_event",
(GtkSignalFunc) button_press,
dii);
gtk_signal_connect (GTK_OBJECT (DESKTOP_ICON (dii->dicon)->canvas), "drag_begin",
(GtkSignalFunc) drag_begin,
dii);
gtk_signal_connect (GTK_OBJECT (DESKTOP_ICON (dii->dicon)->canvas), "drag_data_get",
GTK_SIGNAL_FUNC (drag_data_get),
dii);
setup_icon_dnd_source (dii);
setup_icon_dnd_dest (dii);
/* Place the icon and append it to the list */
@ -1129,7 +1205,7 @@ drop_desktop_icons (GdkDragContext *context, GtkSelectionData *data, int x, int
/* Callback used when the root window receives a drop */
static void
drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y,
desktop_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y,
GtkSelectionData *data, guint info, guint time, gpointer user_data)
{
int retval;
@ -1170,11 +1246,13 @@ setup_desktop_dnd (void)
gtk_drag_dest_set (dnd_proxy_window,
GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
dnd_targets, dnd_ntargets,
dnd_desktop_targets,
dnd_desktop_ntargets,
GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK | GDK_ACTION_ASK);
gtk_signal_connect (GTK_OBJECT (dnd_proxy_window), "drag_data_received",
GTK_SIGNAL_FUNC (drag_data_received), NULL);
GTK_SIGNAL_FUNC (desktop_drag_data_received),
NULL);
}
/**