Learning_GTK4_tree/testsuite/gdk/clipboard-client.c

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2023-12-12 11:36:42 +01:00
#include <gtk/gtk.h>
#ifdef GDK_WINDOWING_WAYLAND
#include "wayland/gdkwayland.h"
#endif
#ifdef G_OS_WIN32
#include <io.h>
#include <process.h>
#endif
G_GNUC_NORETURN static void
got_string_cb (GObject *source,
GAsyncResult *result,
gpointer data)
{
GdkClipboard *clipboard = GDK_CLIPBOARD (source);
GError *error = NULL;
char *text;
text = gdk_clipboard_read_text_finish (clipboard, result, &error);
if (text)
{
g_print ("%s", text);
g_free (text);
}
else
{
g_print ("ERROR: %s", error->message);
g_clear_error (&error);
}
exit (0);
}
G_GNUC_NORETURN static void
got_text_cb (GObject *source,
GAsyncResult *result,
gpointer data)
{
GdkClipboard *clipboard = GDK_CLIPBOARD (source);
GError *error = NULL;
char *text;
text = gdk_clipboard_read_text_finish (clipboard, result, &error);
if (text)
{
int fd;
char *name;
fd = g_file_open_tmp ("XXXXXX.out", &name, &error);
if (error)
g_error ("Failed to create tmp file: %s", error->message);
close (fd);
g_file_set_contents (name, text, -1, &error);
g_print ("%s", name);
g_free (text);
g_free (name);
}
else
{
g_print ("ERROR: %s", error->message);
g_clear_error (&error);
}
exit (0);
}
G_GNUC_NORETURN static void
got_texture_cb (GObject *source,
GAsyncResult *result,
gpointer data)
{
GdkClipboard *clipboard = GDK_CLIPBOARD (source);
GError *error = NULL;
GdkTexture *texture;
texture = gdk_clipboard_read_texture_finish (clipboard, result, &error);
if (texture)
{
int fd;
char *name;
fd = g_file_open_tmp ("XXXXXX.out", &name, &error);
if (error)
g_error ("Failed to create tmp file: %s", error->message);
close (fd);
gdk_texture_save_to_png (texture, name);
g_print ("%s", name);
g_object_unref (texture);
g_free (name);
}
else
{
g_print ("ERROR: %s", error->message);
g_clear_error (&error);
}
exit (0);
}
G_GNUC_NORETURN static void
got_file (GObject *source,
GAsyncResult *result,
gpointer data)
{
GdkClipboard *clipboard = GDK_CLIPBOARD (source);
GError *error = NULL;
const GValue *value;
value = gdk_clipboard_read_value_finish (clipboard, result, &error);
if (value)
{
GFile *file = g_value_get_object (value);
char *path = g_file_get_path (file);
g_print ("%s", path);
g_free (path);
}
else
{
g_print ("ERROR: %s", error->message);
g_clear_error (&error);
}
exit (0);
}
G_GNUC_NORETURN static void
got_files (GObject *source,
GAsyncResult *result,
gpointer data)
{
GdkClipboard *clipboard = GDK_CLIPBOARD (source);
GError *error = NULL;
const GValue *value;
value = gdk_clipboard_read_value_finish (clipboard, result, &error);
if (value)
{
GSList *files = g_value_get_boxed (value);
for (GSList *l = files; l; l = l->next)
{
GFile *file = l->data;
char *path = g_file_get_path (file);
if (l != files)
g_print (":");
g_print ("%s", path);
g_free (path);
}
}
else
{
g_print ("ERROR: %s", error->message);
g_clear_error (&error);
}
exit (0);
}
G_GNUC_NORETURN static void
got_color (GObject *source,
GAsyncResult *result,
gpointer data)
{
GdkClipboard *clipboard = GDK_CLIPBOARD (source);
GError *error = NULL;
const GValue *value;
value = gdk_clipboard_read_value_finish (clipboard, result, &error);
if (value)
{
GdkRGBA *color = g_value_get_boxed (value);
char *s = gdk_rgba_to_string (color);
g_print ("%s", s);
g_free (s);
}
else
{
g_print ("ERROR: %s", error->message);
g_clear_error (&error);
}
exit (0);
}
static const char *action;
static const char *type;
static const char *value;
static gulong handler;
static void
do_it (GObject *object,
GParamSpec *pspec)
{
GdkClipboard *clipboard;
if (object)
g_signal_handler_disconnect (object, handler);
clipboard = gdk_display_get_clipboard (gdk_display_get_default ());
if (strcmp (action, "info") == 0)
{
GdkContentFormats *formats;
char *s;
formats = gdk_clipboard_get_formats (clipboard);
s = gdk_content_formats_to_string (formats);
g_print ("%s\n", s);
g_free (s);
}
else if (strcmp (action, "set") == 0)
{
GdkContentFormats *formats;
char *s;
if (strcmp (type, "string") == 0)
{
gdk_clipboard_set_text (clipboard, value);
}
else if (strcmp (type, "text") == 0)
{
char *contents;
gsize len;
if (!g_file_get_contents (value, &contents, &len, NULL))
g_error ("Failed to read %s\n", value);
gdk_clipboard_set_text (clipboard, contents);
g_free (contents);
}
else if (strcmp (type, "image") == 0)
{
GFile *file;
GdkTexture *texture;
file = g_file_new_for_commandline_arg (value);
texture = gdk_texture_new_from_file (file, NULL);
if (!texture)
g_error ("Failed to read %s\n", value);
gdk_clipboard_set_texture (clipboard, texture);
g_object_unref (texture);
g_object_unref (file);
}
else if (strcmp (type, "file") == 0)
{
GFile *file;
file = g_file_new_for_commandline_arg (value);
gdk_clipboard_set (clipboard, G_TYPE_FILE, file);
g_object_unref (file);
}
else if (strcmp (type, "files") == 0)
{
char **strv;
GSList *files;
strv = g_strsplit (value, ":", 0);
files = NULL;
for (int i = 0; strv[i]; i++)
files = g_slist_append (files, g_file_new_for_commandline_arg (strv[i]));
gdk_clipboard_set (clipboard, GDK_TYPE_FILE_LIST, files);
g_slist_free_full (files, g_object_unref);
g_strfreev (strv);
}
else if (strcmp (type, "color") == 0)
{
GdkRGBA color;
gdk_rgba_parse (&color, value);
gdk_clipboard_set (clipboard, GDK_TYPE_RGBA, &color);
}
else
g_error ("can't set %s", type);
formats = gdk_clipboard_get_formats (clipboard);
s = gdk_content_formats_to_string (formats);
g_print ("%s\n", s);
g_free (s);
}
else if (strcmp (action, "get") == 0)
{
if (strcmp (type, "string") == 0)
{
gdk_clipboard_read_text_async (clipboard, NULL, got_string_cb, NULL);
}
else if (strcmp (type, "text") == 0)
{
gdk_clipboard_read_text_async (clipboard, NULL, got_text_cb, NULL);
}
else if (strcmp (type, "image") == 0)
{
gdk_clipboard_read_texture_async (clipboard, NULL, got_texture_cb, NULL);
}
else if (strcmp (type, "file") == 0)
{
gdk_clipboard_read_value_async (clipboard, G_TYPE_FILE, 0, NULL, got_file, NULL);
}
else if (strcmp (type, "files") == 0)
{
gdk_clipboard_read_value_async (clipboard, GDK_TYPE_FILE_LIST, 0, NULL, got_files, NULL);
}
else if (strcmp (type, "color") == 0)
{
gdk_clipboard_read_value_async (clipboard, GDK_TYPE_RGBA, 0, NULL, got_color, NULL);
}
else
g_error ("can't get %s", type);
}
else
g_error ("can only set, get or info");
}
int
main (int argc, char *argv[])
{
gboolean done = FALSE;
if (argc < 2)
g_error ("too few arguments");
action = argv[1];
if (strcmp (action, "info") == 0)
{
}
else if (strcmp (action, "set") == 0)
{
if (argc < 4)
g_error ("too few arguments for set");
type = argv[2];
value = argv[3];
}
else if (strcmp (action, "get") == 0)
{
if (argc < 3)
g_error ("too few arguments for get");
type = argv[2];
}
else
g_error ("can only set or get");
gtk_init ();
/* Don't wait for a window manager to give us focus when
* we may be running on bare wm-less X.
*/
#ifdef GDK_WINDOWING_WAYLAND
if (GDK_IS_WAYLAND_DISPLAY (gdk_display_get_default ()))
{
GtkWidget *window;
window = gtk_window_new ();
gtk_window_present (GTK_WINDOW (window));
handler = g_signal_connect (window, "notify::is-active", G_CALLBACK (do_it), NULL);
}
else
#endif
do_it (NULL, NULL);
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}