static void
cb_format_combo_changed (GtkComboBox *combo, GtkWidget *expander)
{
GOImageFormatInfo const *format_info;
format_info = go_image_get_format_info (gtk_combo_box_get_active (combo));
gtk_widget_set_sensitive (expander,
format_info != NULL &&
format_info->is_dpi_useful);
}
static void
soi_cb_save_as (SheetObject *so, SheetControl *sc)
{
WBCGtk *wbcg;
char *uri;
GsfOutput *output;
GSList *l = NULL;
GOImageFormat sel_fmt;
GOImageFormatInfo const *format_info;
GdkPixbuf *pixbuf = NULL;
GError *err = NULL;
SheetObjectImage *soi = SHEET_OBJECT_IMAGE (so);
g_return_if_fail (soi != NULL);
sel_fmt = go_image_get_format_from_name (soi->type);
if ((pixbuf = go_image_get_pixbuf (soi->image)) != NULL)
l = go_image_get_formats_with_pixbuf_saver ();
/* Move original format first in menu */
if (sel_fmt != GO_IMAGE_FORMAT_UNKNOWN) {
l = g_slist_remove (l, GUINT_TO_POINTER (sel_fmt));
l = g_slist_prepend (l, GUINT_TO_POINTER (sel_fmt));
}
wbcg = scg_wbcg (SHEET_CONTROL_GUI (sc));
uri = go_gui_get_image_save_info (wbcg_toplevel (wbcg), l, &sel_fmt, NULL);
if (!uri)
goto out;
output = go_file_create (uri, &err);
if (!output)
goto out;
format_info = go_image_get_format_info (sel_fmt);
sheet_object_write_image (so, (format_info? format_info->name: NULL), -1.0, output, &err);
gsf_output_close (output);
g_object_unref (output);
if (err != NULL)
go_cmd_context_error (GO_CMD_CONTEXT (wbcg), err);
out:
if (pixbuf)
g_object_unref (pixbuf);
g_free (uri);
g_slist_free (l);
}
char *
gui_get_image_save_info (GtkWindow *toplevel, GSList *supported_formats,
GOImageFormat *ret_format, double *resolution)
{
GOImageFormat format;
GOImageFormatInfo const *format_info;
GtkComboBox *format_combo = NULL;
GtkFileChooser *fsel = gui_image_chooser_new (TRUE);
GtkWidget *expander = NULL;
GtkWidget *resolution_spin = NULL;
GtkWidget *resolution_table;
GladeXML *gui;
SaveInfoState *state;
const char *key = "gui_get_image_save_info";
char *uri = NULL;
state = g_object_get_data (G_OBJECT (toplevel), key);
if (state == NULL) {
state = g_new (SaveInfoState, 1);
g_return_val_if_fail (state != NULL, NULL);
state->uri = NULL;
state->resolution = 150.0;
state->is_expanded = FALSE;
state->format = GO_IMAGE_FORMAT_SVG;
g_object_set_data_full (G_OBJECT (toplevel), key,
state, (GDestroyNotify) save_info_state_free);
}
g_object_set (G_OBJECT (fsel), "title", _("Save as"), NULL);
gui = go_libglade_new ("go-image-save-dialog-extra.glade",
"image_save_dialog_extra",
GETTEXT_PACKAGE, NULL);
if (gui != NULL) {
GtkWidget *widget;
/* Format selection UI */
if (supported_formats != NULL && ret_format != NULL) {
int i;
GSList *l;
format_combo = GTK_COMBO_BOX (glade_xml_get_widget (gui, "format_combo"));
for (l = supported_formats, i = 0; l != NULL; l = l->next, i++) {
format = GPOINTER_TO_UINT (l->data);
format_info = go_image_get_format_info (format);
gtk_combo_box_append_text (format_combo, _(format_info->desc));
if (format == state->format)
gtk_combo_box_set_active (format_combo, i);
}
if (gtk_combo_box_get_active (format_combo) < 0)
gtk_combo_box_set_active (format_combo, 0);
} else {
widget = glade_xml_get_widget (gui, "file_type_box");
gtk_widget_hide (widget);
}
/* Export setting expander */
expander = glade_xml_get_widget (gui, "export_expander");
if (resolution != NULL) {
gtk_expander_set_expanded (GTK_EXPANDER (expander), state->is_expanded);
resolution_spin = glade_xml_get_widget (gui, "resolution_spin");
gtk_spin_button_set_value (GTK_SPIN_BUTTON (resolution_spin), state->resolution);
} else
gtk_widget_hide (expander);
if (resolution != NULL && supported_formats != NULL && ret_format != NULL) {
widget = glade_xml_get_widget (gui, "image_save_dialog_extra");
gtk_file_chooser_set_extra_widget (fsel, widget);
resolution_table = glade_xml_get_widget (gui, "resolution_table");
cb_format_combo_changed (format_combo, resolution_table);
g_signal_connect (GTK_WIDGET (format_combo), "changed",
G_CALLBACK (cb_format_combo_changed), resolution_table);
}
g_object_unref (G_OBJECT (gui));
}
if (state->uri != NULL) {
gtk_file_chooser_set_uri (fsel, state->uri);
gtk_file_chooser_unselect_all (fsel);
}
/* Show file selector */
loop:
if (!go_gtk_file_sel_dialog (toplevel, GTK_WIDGET (fsel)))
goto out;
uri = gtk_file_chooser_get_uri (fsel);
if (format_combo) {
char *new_uri = NULL;
format = GPOINTER_TO_UINT (g_slist_nth_data
(supported_formats,
gtk_combo_box_get_active (format_combo)));
format_info = go_image_get_format_info (format);
if (!go_url_check_extension (uri, format_info->ext, &new_uri) &&
!go_gtk_query_yes_no (GTK_WINDOW (fsel), TRUE,
_("The given file extension does not match the"
" chosen file type. Do you want to use this name"
" anyway?"))) {
g_free (new_uri);
g_free (uri);
uri = NULL;
goto out;
} else {
g_free (uri);
uri = new_uri;
}
*ret_format = format;
}
if (!go_gtk_url_is_writeable (GTK_WINDOW (fsel), uri, TRUE)) {
g_free (uri);
uri = NULL;
goto loop;
}
out:
if (uri != NULL) {
g_free (state->uri);
state->uri = g_strdup (uri);
state->format = *ret_format;
if (resolution != NULL) {
state->is_expanded = gtk_expander_get_expanded (GTK_EXPANDER (expander));
*resolution = gtk_spin_button_get_value (GTK_SPIN_BUTTON (resolution_spin));
state->resolution = *resolution;
}
}
gtk_widget_destroy (GTK_WIDGET (fsel));
return uri;
}
