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gimp/tools/test-clipboard.c

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/*
* test-clipboard.c -- do clipboard things
*
* Copyright (C) 2005 Michael Natterer <mitch@gimp.org>
*
* Use this code for whatever you like.
*/
#include "config.h"
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
typedef struct _CopyData CopyData;
struct _CopyData
{
const gchar *filename;
gboolean file_copied;
GError *error;
};
static void test_clipboard_show_version (void) G_GNUC_NORETURN;
static gboolean test_clipboard_parse_selection (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error);
static gboolean test_clipboard_list_targets (GtkClipboard *clipboard);
static gboolean test_clipboard_copy (GtkClipboard *clipboard,
const gchar *target,
const gchar *filename);
static gboolean test_clipboard_store (GtkClipboard *clipboard,
const gchar *target,
const gchar *filename);
static gboolean test_clipboard_paste (GtkClipboard *clipboard,
const gchar *target,
const gchar *filename);
static void test_clipboard_copy_callback (GtkClipboard *clipboard,
GtkSelectionData *selection,
guint info,
gpointer data);
static GdkAtom option_selection_type = GDK_SELECTION_CLIPBOARD;
static gboolean option_list_targets = FALSE;
static gchar *option_target = NULL;
static gchar *option_copy_filename = NULL;
static gchar *option_store_filename = NULL;
static gchar *option_paste_filename = NULL;
static const GOptionEntry main_entries[] =
{
{
"selection-type", 's', 0,
G_OPTION_ARG_CALLBACK, test_clipboard_parse_selection,
"Selection type (primary|secondary|clipboard)", "<type>"
},
{
"list-targets", 'l', 0,
G_OPTION_ARG_NONE, &option_list_targets,
"List the targets offered by the clipboard", NULL
},
{
"target", 't', 0,
G_OPTION_ARG_STRING, &option_target,
"The target format to copy or paste", "<target>"
},
{
"copy", 'c', 0,
G_OPTION_ARG_STRING, &option_copy_filename,
"Copy <file> to clipboard", "<file>"
},
{
"store", 'S', 0,
G_OPTION_ARG_STRING, &option_store_filename,
"Store <file> in the clipboard manager", "<file>"
},
{
"paste", 'p', 0,
G_OPTION_ARG_STRING, &option_paste_filename,
"Paste clipoard into <file> ('-' pastes to STDOUT)", "<file>"
},
{
"version", 'v', G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_CALLBACK, test_clipboard_show_version,
"Show version information and exit", NULL
},
{ NULL }
};
gint
main (gint argc,
gchar *argv[])
{
GOptionContext *context;
GtkClipboard *clipboard;
GError *error = NULL;
context = g_option_context_new (NULL);
g_option_context_add_main_entries (context, main_entries, NULL);
g_option_context_add_group (context, gtk_get_option_group (TRUE));
if (! g_option_context_parse (context, &argc, &argv, &error))
{
if (error)
{
g_printerr ("%s\n", error->message);
g_error_free (error);
}
else
{
g_print ("%s\n",
"Could not initialize the graphical user interface.\n"
"Make sure a proper setup for your display environment "
"exists.");
}
return EXIT_FAILURE;
}
gtk_init (&argc, &argv);
clipboard = gtk_clipboard_get_for_display (gdk_display_get_default (),
option_selection_type);
if (! clipboard)
g_error ("gtk_clipboard_get_for_display");
if (option_list_targets)
{
if (! test_clipboard_list_targets (clipboard))
return EXIT_FAILURE;
return EXIT_SUCCESS;
}
if ((option_copy_filename && option_paste_filename) ||
(option_copy_filename && option_store_filename) ||
(option_paste_filename && option_store_filename))
{
g_printerr ("Can't perform two operations at the same time\n");
return EXIT_FAILURE;
}
if (option_copy_filename)
{
if (! option_target)
{
g_printerr ("Usage: %s -t <target> -c <file>\n", argv[0]);
return EXIT_FAILURE;
}
if (! test_clipboard_copy (clipboard, option_target,
option_copy_filename))
return EXIT_FAILURE;
}
if (option_store_filename)
{
if (! option_target)
{
g_printerr ("Usage: %s -t <target> -S <file>\n", argv[0]);
return EXIT_FAILURE;
}
if (! test_clipboard_store (clipboard, option_target,
option_store_filename))
return EXIT_FAILURE;
}
if (option_paste_filename)
{
if (! option_target)
{
g_printerr ("Usage: %s -t <target> -p <file>\n", argv[0]);
return EXIT_FAILURE;
}
if (! test_clipboard_paste (clipboard, option_target,
option_paste_filename))
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
static void
test_clipboard_show_version (void)
{
g_print ("test-clipboard (GIMP clipboard testbed) version %s\n",
GIMP_VERSION);
exit (EXIT_SUCCESS);
}
static gboolean
test_clipboard_parse_selection (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
if (! strcmp (value, "primary"))
option_selection_type = GDK_SELECTION_PRIMARY;
else if (! strcmp (value, "secondary"))
option_selection_type = GDK_SELECTION_SECONDARY;
else if (! strcmp (value, "clipboard"))
option_selection_type = GDK_SELECTION_CLIPBOARD;
else
return FALSE;
return TRUE;
}
static gboolean
test_clipboard_list_targets (GtkClipboard *clipboard)
{
GtkSelectionData *data;
data = gtk_clipboard_wait_for_contents (clipboard,
gdk_atom_intern ("TARGETS",
FALSE));
if (data)
{
GdkAtom *targets;
gint n_targets;
gboolean success;
success = gtk_selection_data_get_targets (data, &targets, &n_targets);
gtk_selection_data_free (data);
if (success)
{
gint i;
for (i = 0; i < n_targets; i++)
g_print ("%s\n", gdk_atom_name (targets[i]));
g_free (targets);
}
}
return TRUE;
}
static gboolean
test_clipboard_copy (GtkClipboard *clipboard,
const gchar *target,
const gchar *filename)
{
GtkTargetEntry entry;
CopyData data;
entry.target = g_strdup (target);
entry.flags = 0;
entry.info = 1;
data.filename = filename;
data.file_copied = FALSE;
data.error = NULL;
if (! gtk_clipboard_set_with_data (clipboard, &entry, 1,
test_clipboard_copy_callback,
NULL,
&data))
{
g_printerr ("%s: gtk_clipboard_set_with_data() failed\n",
g_get_prgname());
return FALSE;
}
gtk_main ();
if (! data.file_copied)
{
if (data.error)
{
g_printerr ("%s: copying failed: %s\n",
g_get_prgname (), data.error->message);
g_error_free (data.error);
}
else
{
g_printerr ("%s: copying failed\n",
g_get_prgname ());
}
return FALSE;
}
return TRUE;
}
static gboolean
test_clipboard_store (GtkClipboard *clipboard,
const gchar *target,
const gchar *filename)
{
GtkTargetEntry entry;
CopyData data;
entry.target = g_strdup (target);
entry.flags = 0;
entry.info = 1;
data.filename = filename;
data.file_copied = FALSE;
data.error = NULL;
if (! gtk_clipboard_set_with_data (clipboard, &entry, 1,
test_clipboard_copy_callback,
NULL,
&data))
{
g_printerr ("%s: gtk_clipboard_set_with_data() failed\n",
g_get_prgname ());
return FALSE;
}
gtk_clipboard_set_can_store (clipboard, &entry, 1);
gtk_clipboard_store (clipboard);
if (! data.file_copied)
{
if (data.error)
{
g_printerr ("%s: storing failed: %s\n",
g_get_prgname (), data.error->message);
g_error_free (data.error);
}
else
{
g_printerr ("%s: could not contact clipboard manager\n",
g_get_prgname ());
}
return FALSE;
}
return TRUE;
}
static gboolean
test_clipboard_paste (GtkClipboard *clipboard,
const gchar *target,
const gchar *filename)
{
GtkSelectionData *sel_data;
sel_data = gtk_clipboard_wait_for_contents (clipboard,
gdk_atom_intern (target,
FALSE));
if (sel_data)
{
const guchar *data;
gint length;
gint fd;
if (! strcmp (filename, "-"))
fd = 1;
else
fd = open (filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd < 0)
{
g_printerr ("%s: open() filed: %s",
g_get_prgname (), g_strerror (errno));
return FALSE;
}
data = gtk_selection_data_get_data (sel_data);
length = gtk_selection_data_get_length (sel_data);
if (write (fd, data, length) < length)
{
close (fd);
g_printerr ("%s: write() failed: %s",
g_get_prgname (), g_strerror (errno));
return FALSE;
}
if (close (fd) < 0)
{
g_printerr ("%s: close() failed: %s",
g_get_prgname (), g_strerror (errno));
return FALSE;
}
gtk_selection_data_free (sel_data);
}
return TRUE;
}
static void
test_clipboard_copy_callback (GtkClipboard *clipboard,
GtkSelectionData *selection,
guint info,
gpointer data)
{
CopyData *copy_data = data;
gchar *buf;
gsize buf_size;
if (! g_file_get_contents (copy_data->filename, &buf, &buf_size,
&copy_data->error))
{
if (! option_store_filename)
gtk_main_quit ();
return;
}
gtk_selection_data_set (selection,
gtk_selection_data_get_target (selection),
8, (guchar *) buf, buf_size);
g_free (buf);
copy_data->file_copied = TRUE;
g_print ("%s: data transfer in progress, hit <ctrl>+c when pasted...",
G_STRFUNC);
}
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