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gimp/app/gui/file-open-dialog.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995, 1996, 1997 Spencer Kimball and Peter Mattis
* Copyright (C) 1997 Josh MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <stdio.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 "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "gui-types.h"
#include "base/temp-buf.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpcoreconfig.h"
#include "core/gimpdocuments.h"
#include "core/gimpimage.h"
#include "core/gimpimage-new.h"
#include "core/gimpimagefile.h"
#include "plug-in/plug-in-types.h"
#include "plug-in/plug-in-proc.h"
#include "file/file-open.h"
#include "file/file-utils.h"
#include "widgets/gimpitemfactory.h"
#include "widgets/gimppreview.h"
#include "file-dialog-utils.h"
#include "file-open-dialog.h"
#include "undo.h"
#include "libgimp/gimpintl.h"
/* local function prototypes */
static void file_open_dialog_create (Gimp *gimp);
static void file_open_genbutton_callback (GtkWidget *widget,
gpointer data);
static void file_open_selchanged_callback (GtkTreeSelection *sel,
gpointer data);
static void file_open_ok_callback (GtkWidget *widget,
gpointer data);
static void file_open_type_callback (GtkWidget *widget,
gpointer data);
static void file_open_imagefile_info_changed (GimpImagefile *imagefile,
gpointer data);
static GtkWidget *fileload = NULL;
static GtkWidget *open_options = NULL;
static GimpImagefile *open_options_imagefile = NULL;
static GtkWidget *open_options_label = NULL;
static GtkWidget *open_options_frame = NULL;
static PlugInProcDef *load_file_proc = NULL;
/* public functions */
void
file_open_dialog_menu_init (Gimp *gimp,
GimpItemFactory *item_factory)
{
GimpItemFactoryEntry entry;
PlugInProcDef *file_proc;
GSList *list;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_ITEM_FACTORY (item_factory));
gimp->load_procs = g_slist_reverse (gimp->load_procs);
for (list = gimp->load_procs; list; list = g_slist_next (list))
{
gchar *basename;
gchar *lowercase_basename;
gchar *help_page;
file_proc = (PlugInProcDef *) list->data;
basename = g_path_get_basename (file_proc->prog);
lowercase_basename = g_ascii_strdown (basename, -1);
g_free (basename);
help_page = g_strconcat ("filters/",
lowercase_basename,
".html",
NULL);
g_free (lowercase_basename);
entry.entry.path = strstr (file_proc->menu_path, "/");
entry.entry.accelerator = NULL;
entry.entry.callback = file_open_type_callback;
entry.entry.callback_action = 0;
entry.entry.item_type = NULL;
entry.quark_string = NULL;
entry.help_page = help_page;
entry.description = NULL;
gimp_item_factory_create_item (item_factory,
&entry,
file_proc, 2,
TRUE, FALSE);
}
}
void
file_open_dialog_menu_reset (void)
{
load_file_proc = NULL;
}
void
file_open_dialog_show (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (! fileload)
file_open_dialog_create (gimp);
gtk_widget_set_sensitive (GTK_WIDGET (fileload), TRUE);
if (GTK_WIDGET_VISIBLE (fileload))
return;
gtk_file_selection_set_filename (GTK_FILE_SELECTION (fileload),
"." G_DIR_SEPARATOR_S);
gtk_window_set_title (GTK_WINDOW (fileload), _("Open Image"));
file_dialog_show (fileload);
}
/* private functions */
static void
file_open_dialog_create (Gimp *gimp)
{
GtkFileSelection *file_sel;
GtkTreeSelection *tree_sel;
fileload = gtk_file_selection_new (_("Open Image"));
g_object_set_data (G_OBJECT (fileload), "gimp", gimp);
gtk_window_set_position (GTK_WINDOW (fileload), GTK_WIN_POS_MOUSE);
gtk_window_set_wmclass (GTK_WINDOW (fileload), "load_image", "Gimp");
file_sel = GTK_FILE_SELECTION (fileload);
gtk_container_set_border_width (GTK_CONTAINER (fileload), 2);
gtk_container_set_border_width (GTK_CONTAINER (file_sel->button_area), 2);
g_signal_connect_swapped (G_OBJECT (file_sel->cancel_button), "clicked",
G_CALLBACK (file_dialog_hide),
fileload);
g_signal_connect (G_OBJECT (fileload), "delete_event",
G_CALLBACK (file_dialog_hide),
NULL);
g_signal_connect (G_OBJECT (file_sel->ok_button), "clicked",
G_CALLBACK (file_open_ok_callback),
fileload);
gtk_file_selection_set_select_multiple (GTK_FILE_SELECTION (fileload), TRUE);
tree_sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (GTK_FILE_SELECTION (fileload)->file_list));
/* Catch file-list clicks so we can update the preview thumbnail */
g_signal_connect (G_OBJECT (tree_sel), "changed",
G_CALLBACK (file_open_selchanged_callback),
fileload);
/* Connect the "F1" help key */
gimp_help_connect (fileload,
gimp_standard_help_func,
"open/dialogs/file_open.html");
{
GimpItemFactory *item_factory;
GtkWidget *frame;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *option_menu;
GtkWidget *open_options_genbutton;
GtkWidget *preview;
open_options = gtk_hbox_new (TRUE, 4);
/* format-chooser frame */
frame = gtk_frame_new (_("Determine File Type"));
gtk_box_pack_start (GTK_BOX (open_options), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
option_menu = gtk_option_menu_new ();
gtk_box_pack_start (GTK_BOX (hbox), option_menu, FALSE, FALSE, 0);
gtk_widget_show (option_menu);
item_factory = gimp_item_factory_from_path ("<Load>");
gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu),
GTK_ITEM_FACTORY (item_factory)->widget);
/* Preview frame */
open_options_frame = frame = gtk_frame_new (_("Preview"));
gtk_box_pack_end (GTK_BOX (open_options), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
hbox = gtk_hbox_new (TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
open_options_genbutton = gtk_button_new ();
gtk_box_pack_start (GTK_BOX (hbox), open_options_genbutton, TRUE, FALSE, 0);
gtk_widget_show (open_options_genbutton);
g_signal_connect (G_OBJECT (open_options_genbutton), "clicked",
G_CALLBACK (file_open_genbutton_callback),
fileload);
gimp_help_set_help_data (open_options_genbutton,
_("Click to create preview"), NULL);
open_options_imagefile = gimp_imagefile_new (NULL);
preview = gimp_preview_new (GIMP_VIEWABLE (open_options_imagefile),
128, 0, FALSE);
gtk_container_add (GTK_CONTAINER (open_options_genbutton), preview);
gtk_widget_show (preview);
g_signal_connect (G_OBJECT (open_options_imagefile), "info_changed",
G_CALLBACK (file_open_imagefile_info_changed),
NULL);
open_options_label = gtk_label_new (_("No Selection"));
gtk_box_pack_start (GTK_BOX (vbox), open_options_label, FALSE, FALSE, 0);
gtk_widget_show (open_options_label);
/* pack the containing open_options hbox into the open-dialog */
gtk_box_pack_end (GTK_BOX (GTK_FILE_SELECTION (fileload)->main_vbox),
open_options, FALSE, FALSE, 0);
}
gtk_widget_set_sensitive (GTK_WIDGET (open_options_frame), FALSE);
gtk_widget_show (open_options);
}
static void
file_open_type_callback (GtkWidget *widget,
gpointer data)
{
PlugInProcDef *proc = (PlugInProcDef *) data;
file_dialog_update_name (proc, GTK_FILE_SELECTION (fileload));
load_file_proc = proc;
}
static void
file_open_imagefile_info_changed (GimpImagefile *imagefile,
gpointer data)
{
const gchar *uri;
uri = gimp_object_get_name (GIMP_OBJECT (imagefile));
if (! uri)
{
gtk_label_set_text (GTK_LABEL (open_options_label), _("No Selection"));
gtk_frame_set_label (GTK_FRAME (open_options_frame), _("Preview"));
}
else
{
gchar *basename;
basename = file_utils_uri_to_utf8_basename (uri);
gtk_frame_set_label (GTK_FRAME (open_options_frame), basename);
g_free (basename);
}
switch (imagefile->thumb_state)
{
case GIMP_IMAGEFILE_STATE_UNKNOWN:
case GIMP_IMAGEFILE_STATE_REMOTE:
case GIMP_IMAGEFILE_STATE_NOT_FOUND:
gtk_label_set_text (GTK_LABEL (open_options_label),
_("No preview available"));
break;
case GIMP_IMAGEFILE_STATE_EXISTS:
if (imagefile->image_mtime > imagefile->thumb_mtime)
{
gtk_label_set_text (GTK_LABEL (open_options_label),
_("Thumbnail is out of date"));
}
else
{
GEnumClass *enum_class;
GEnumValue *enum_value;
gchar *str;
gchar *size_str;
gchar *type_str;
size_str = gimp_image_new_get_memsize_string (imagefile->size);
enum_class = g_type_class_peek (GIMP_TYPE_IMAGE_TYPE);
enum_value = g_enum_get_value (enum_class, imagefile->type);
if (enum_value)
{
type_str = gettext (enum_value->value_name);
str = g_strdup_printf ("%d x %d (%s, %s)",
imagefile->width,
imagefile->height,
size_str,
type_str);
}
else
{
str = g_strdup_printf ("%d x %d (%s)",
imagefile->width,
imagefile->height,
size_str);
}
g_free (size_str);
gtk_label_set_text (GTK_LABEL (open_options_label), str);
g_free (str);
}
break;
default:
break;
}
}
static void
selchanged_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
gboolean *selected = data;
*selected = TRUE;
}
static void
file_open_selchanged_callback (GtkTreeSelection *sel,
gpointer data)
{
GtkFileSelection *fileload;
Gimp *gimp;
const gchar *fullfname;
gboolean selected = FALSE;
gtk_tree_selection_selected_foreach (sel,
selchanged_foreach,
&selected);
if (selected)
{
gchar *uri;
fileload = GTK_FILE_SELECTION (data);
gimp = GIMP (g_object_get_data (G_OBJECT (fileload), "gimp"));
fullfname = gtk_file_selection_get_filename (fileload);
gtk_widget_set_sensitive (GTK_WIDGET (open_options_frame), TRUE);
uri = file_utils_filename_to_uri (gimp->load_procs, fullfname, NULL);
gimp_object_set_name (GIMP_OBJECT (open_options_imagefile), uri);
g_free (uri);
}
else
{
gimp_object_set_name (GIMP_OBJECT (open_options_imagefile), NULL);
}
gimp_imagefile_update (open_options_imagefile);
}
static void
file_open_genbutton_callback (GtkWidget *widget,
gpointer data)
{
GtkFileSelection *fs;
Gimp *gimp;
gchar **selections;
gint i;
fs = GTK_FILE_SELECTION (data);
gimp = GIMP (g_object_get_data (G_OBJECT (fs), "gimp"));
gimp_set_busy (gimp);
gtk_widget_set_sensitive (GTK_WIDGET (fs), FALSE);
selections = gtk_file_selection_get_selections (fs);
for (i = 0; selections[i] != NULL; i++)
{
if (g_file_test (selections[i], G_FILE_TEST_IS_REGULAR))
{
gchar *uri = g_filename_to_uri (selections[i], NULL, NULL);
if (gimp->config->write_thumbnails)
{
gimp_object_set_name (GIMP_OBJECT (open_options_imagefile),
uri);
gimp_imagefile_create_thumbnail (open_options_imagefile);
}
#if 0
{
gtk_label_set_text (GTK_LABEL (open_options_label),
_("Failed to generate preview."));
}
#endif
g_free (uri);
}
}
g_strfreev (selections);
gtk_widget_set_sensitive (GTK_WIDGET (fs), TRUE);
gimp_unset_busy (gimp);
}
static void
file_open_ok_callback (GtkWidget *widget,
gpointer data)
{
GtkFileSelection *fs;
Gimp *gimp;
gchar *entered_filename;
GimpPDBStatusType status;
gchar **selections;
gint i;
gchar *uri;
fs = GTK_FILE_SELECTION (data);
gimp = GIMP (g_object_get_data (G_OBJECT (fs), "gimp"));
selections = gtk_file_selection_get_selections (fs);
if (selections == NULL)
return;
if (g_file_test (selections[0], G_FILE_TEST_IS_DIR))
{
if (selections[0][strlen (selections[0]) - 1] != G_DIR_SEPARATOR)
{
gchar *s = g_strconcat (selections[0], G_DIR_SEPARATOR_S, NULL);
gtk_file_selection_set_filename (fs, s);
g_free (s);
}
else
{
gtk_file_selection_set_filename (fs, selections[0]);
}
g_strfreev (selections);
return;
}
entered_filename =
g_strdup (gtk_entry_get_text (GTK_ENTRY (fs->selection_entry)));
gtk_widget_set_sensitive (GTK_WIDGET (fs), FALSE);
if (! g_file_test (selections[0], G_FILE_TEST_EXISTS))
{
/* try with the entered filename in case the user typed an URI */
uri = g_strdup (entered_filename);
}
else
{
uri = g_filename_to_uri (selections[0], NULL, NULL);
}
status = file_open_with_proc_and_display (gimp,
uri,
entered_filename,
load_file_proc);
g_free (entered_filename);
g_free (uri);
if (status == GIMP_PDB_SUCCESS)
{
file_dialog_hide (data);
}
else if (status != GIMP_PDB_CANCEL)
{
/* Hackery required. Please add error message. --bex */
g_message (_("Opening '%s' failed."), uri);
}
/*
* Now deal with multiple selections from the filesel list
*/
for (i = 1; selections[i] != NULL; i++)
{
if (g_file_test (selections[i], G_FILE_TEST_IS_REGULAR))
{
uri = g_filename_to_uri (selections[i], NULL, NULL);
status = file_open_with_proc_and_display (gimp,
uri,
uri,
load_file_proc);
if (status == GIMP_PDB_SUCCESS)
{
file_dialog_hide (data);
}
else if (status != GIMP_PDB_CANCEL)
{
/* same as previous. --bex */
g_message (_("Opening '%s' failed."), uri);
}
g_free (uri);
}
}
g_strfreev (selections);
gtk_widget_set_sensitive (GTK_WIDGET (fs), TRUE);
}
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