Commit 573d8175 authored by Jehan's avatar Jehan

Issue #2055: make save dialog compatibility information understandable.

* The minimum GIMP version for this XCF is always written down when it
  is GIMP 2.8 or over.
* The list of features warrating the minimum version is now listed in an
  expander container rather than as tooltip (making the list actually
  discoverable!).
* The warning on compression is now displayed as its own text under the
  checkbox (only when checking the box actually changes anything
  compatibility-wise), and not as additional text to the minimum GIMP
  version label. Otherwise it had far too much weight on the minimum
  compatible GIMP version text and people were wondering what it meant.
  We should not tell people what the checkbox cannot do (it cannot
  improve compatibility in some cases), only what it can do (it can
  improve compatibility in other cases).
* Update the feature list real-time when checking the compression box
  (making it even more obvious that tile compression may have a say in
  compatibility).
* Metadata info is still added on the GIMP version label as it does not
  limit compatibility of the XCF file itself.
parent 0fa2ef91
......@@ -57,8 +57,7 @@ static void gimp_save_dialog_save_state (GimpFileDialog *dialog,
static void gimp_save_dialog_load_state (GimpFileDialog *dialog,
const gchar *state_name);
static void gimp_save_dialog_add_compression_toggle
(GimpSaveDialog *dialog);
static void gimp_save_dialog_add_extra_widgets (GimpSaveDialog *dialog);
static void gimp_save_dialog_compression_toggled
(GtkToggleButton *button,
GimpSaveDialog *dialog);
......@@ -103,7 +102,7 @@ gimp_save_dialog_constructed (GObject *object)
*/
G_OBJECT_CLASS (parent_class)->constructed (object);
gimp_save_dialog_add_compression_toggle (dialog);
gimp_save_dialog_add_extra_widgets (dialog);
}
static void
......@@ -160,6 +159,7 @@ gimp_save_dialog_set_image (GimpSaveDialog *dialog,
GimpObject *display)
{
GimpFileDialog *file_dialog;
GtkWidget *compression_toggle;
GFile *dir_file = NULL;
GFile *name_file = NULL;
GFile *ext_file = NULL;
......@@ -167,10 +167,6 @@ gimp_save_dialog_set_image (GimpSaveDialog *dialog,
const gchar *version_string;
gint rle_version;
gint zlib_version;
gchar *rle_reason = NULL;
gchar *zlib_reason = NULL;
gchar *compat_hint;
gchar *compat_tooltip;
g_return_if_fail (GIMP_IS_SAVE_DIALOG (dialog));
g_return_if_fail (GIMP_IS_IMAGE (image));
......@@ -255,52 +251,35 @@ gimp_save_dialog_set_image (GimpSaveDialog *dialog,
ext_file = g_file_new_for_uri ("file:///we/only/care/about/extension.xcf");
gimp_image_get_xcf_version (image, FALSE, &rle_version,
&version_string, &rle_reason);
&version_string, NULL);
gimp_image_get_xcf_version (image, TRUE, &zlib_version,
NULL, &zlib_reason);
if (rle_version == zlib_version)
{
compat_hint =
g_strdup_printf (_("The image uses features from %s, disabling "
"compression won't make the XCF file "
"readable by older GIMP versions."),
version_string);
compat_tooltip = rle_reason;
g_free (zlib_reason);
}
else
NULL, NULL);
if (rle_version != zlib_version)
{
compat_hint =
g_strdup_printf (_("Keep compression disabled to make the XCF "
"file readable by %s and later."),
version_string);
compat_tooltip = zlib_reason;
g_free (rle_reason);
}
if (gimp_image_get_metadata (image))
{
gchar *temp_hint;
temp_hint = g_strconcat (compat_hint, "\n",
_("Metadata won't be visible in GIMP "
"older than version 2.10."), NULL);
g_free (compat_hint);
compat_hint = temp_hint;
GtkWidget *label;
gchar *text;
text = g_strdup_printf (_("Keep compression disabled to make the XCF "
"file readable by %s and later."),
version_string);
label = gtk_label_new (text);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
-1);
gtk_container_add (GTK_CONTAINER (dialog->compression_frame),
label);
gtk_widget_show (label);
g_free (text);
}
gtk_label_set_text (GTK_LABEL (dialog->compat_info), compat_hint);
g_free (compat_hint);
gimp_help_set_help_data (dialog->compat_info, compat_tooltip, NULL);
g_free (compat_tooltip);
gtk_widget_show (dialog->compression_toggle);
gtk_widget_show (dialog->compat_info);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dialog->compression_toggle),
compression_toggle = gtk_frame_get_label_widget (GTK_FRAME (dialog->compression_frame));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (compression_toggle),
gimp_image_get_xcf_compression (image));
/* Force a "toggled" signal since gtk_toggle_button_set_active() won't
* send it if the button status doesn't change.
*/
gtk_toggle_button_toggled (GTK_TOGGLE_BUTTON (compression_toggle));
if (ext_file)
{
......@@ -336,28 +315,42 @@ gimp_save_dialog_set_image (GimpSaveDialog *dialog,
/* private functions */
static void
gimp_save_dialog_add_compression_toggle (GimpSaveDialog *dialog)
gimp_save_dialog_add_extra_widgets (GimpSaveDialog *dialog)
{
GtkWidget *frame;
GtkWidget *label;
GtkWidget *reasons;
GtkWidget *compression_toggle;
dialog->compression_toggle =
/* Compression toggle. */
compression_toggle =
gtk_check_button_new_with_label (_("Save this XCF file with better but slower compression"));
frame = gimp_frame_new (NULL);
gtk_frame_set_label_widget (GTK_FRAME (frame), dialog->compression_toggle);
gimp_file_dialog_add_extra_widget (GIMP_FILE_DIALOG (dialog), frame,
dialog->compression_frame = gimp_frame_new (NULL);
gtk_frame_set_label_widget (GTK_FRAME (dialog->compression_frame), compression_toggle);
gtk_widget_show (compression_toggle);
gimp_file_dialog_add_extra_widget (GIMP_FILE_DIALOG (dialog), dialog->compression_frame,
FALSE, FALSE, 0);
gtk_widget_show (frame);
gtk_widget_show (dialog->compression_frame);
/* Additional information explaining file compatibility things */
dialog->compat_info = gtk_label_new ("");
gtk_label_set_xalign (GTK_LABEL (dialog->compat_info), 0.0);
gimp_label_set_attributes (GTK_LABEL (dialog->compat_info),
PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
-1);
gtk_container_add (GTK_CONTAINER (frame), dialog->compat_info);
g_signal_connect (dialog->compression_toggle, "toggled",
dialog->compat_info = gtk_expander_new (NULL);
label = gtk_label_new ("");
gtk_expander_set_label_widget (GTK_EXPANDER (dialog->compat_info), label);
gtk_widget_show (label);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
reasons = gtk_text_view_new ();
gtk_text_view_set_editable (GTK_TEXT_VIEW (reasons), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (reasons), FALSE);
gtk_container_add (GTK_CONTAINER (dialog->compat_info), reasons);
gtk_widget_show (reasons);
gimp_file_dialog_add_extra_widget (GIMP_FILE_DIALOG (dialog),
dialog->compat_info,
FALSE, FALSE, 0);
gtk_widget_show (dialog->compat_info);
g_signal_connect (compression_toggle, "toggled",
G_CALLBACK (gimp_save_dialog_compression_toggled),
dialog);
}
......@@ -366,7 +359,64 @@ static void
gimp_save_dialog_compression_toggled (GtkToggleButton *button,
GimpSaveDialog *dialog)
{
const gchar *version_string = NULL;
GimpFileDialog *file_dialog = GIMP_FILE_DIALOG (dialog);
gchar *compat_hint = NULL;
gchar *reason = NULL;
GtkWidget *widget;
GtkTextBuffer *text_buffer;
gint version;
if (! file_dialog->image)
return;
dialog->compression = gtk_toggle_button_get_active (button);
if (dialog->compression)
gimp_image_get_xcf_version (file_dialog->image, TRUE, &version,
&version_string, &reason);
else
gimp_image_get_xcf_version (file_dialog->image, FALSE, &version,
&version_string, &reason);
/* Only show compatibility information for GIMP over 2.6. The reason
* is mostly that we don't have details to make a compatibility list
* with this older version.
* It's anyway so prehistorical that we are not really caring about
* compatibility with older version.
*/
if (version <= 206)
gtk_widget_hide (dialog->compat_info);
else
gtk_widget_show (dialog->compat_info);
/* Set the compatibility label. */
compat_hint =
g_strdup_printf (_("The image uses features from %s and "
"won't be readable by older GIMP versions."),
version_string);
if (gimp_image_get_metadata (file_dialog->image))
{
gchar *temp_hint;
temp_hint = g_strconcat (compat_hint, "\n",
_("Metadata won't be visible in GIMP "
"older than version 2.10."), NULL);
g_free (compat_hint);
compat_hint = temp_hint;
}
widget = gtk_expander_get_label_widget (GTK_EXPANDER (dialog->compat_info));
gtk_label_set_text (GTK_LABEL (widget), compat_hint);
g_free (compat_hint);
/* Fill in the details (list of compatibility reasons). */
widget = gtk_bin_get_child (GTK_BIN (dialog->compat_info));
text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
gtk_text_buffer_set_text (text_buffer, reason ? reason : "", -1);
if (reason)
g_free (reason);
}
static GimpSaveDialogState *
......
......@@ -43,7 +43,7 @@ struct _GimpSaveDialog
gboolean close_after_saving;
GimpObject *display_to_close;
GtkWidget *compression_toggle;
GtkWidget *compression_frame;
GtkWidget *compat_info;
gboolean compression;
};
......
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