gimp/app/dialogs/tips-dialog.c

333 lines
9.6 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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"
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "dialogs-types.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "widgets/gimphelp-ids.h"
#include "tips-dialog.h"
#include "tips-parser.h"
#include "gimp-intl.h"
static GtkWidget * tips_button_new (const gchar *label,
gboolean back);
static void tips_set_labels (GimpTip *tip);
static void tips_dialog_destroy (GtkWidget *widget,
gpointer data);
static void tips_show_previous (GtkWidget *widget,
gpointer data);
static void tips_show_next (GtkWidget *widget,
gpointer data);
static GtkWidget *tips_dialog = NULL;
static GtkWidget *welcome_label = NULL;
static GtkWidget *thetip_label = NULL;
static GList *tips = NULL;
static GList *current_tip = NULL;
static gint tips_count = 0;
GtkWidget *
tips_dialog_create (Gimp *gimp)
{
GimpGuiConfig *config;
GtkWidget *vbox;
GtkWidget *vbox2;
GtkWidget *hbox;
GtkWidget *bbox;
GtkWidget *button;
GdkPixbuf *wilber;
gchar *filename;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
if (!tips)
{
GError *error = NULL;
gchar *filename;
filename = g_build_filename (gimp_data_directory (), "tips",
"gimp-tips.xml", NULL);
tips = gimp_tips_from_file (filename, &error);
if (!tips)
{
GimpTip *tip;
if (error->code == G_FILE_ERROR_NOENT)
{
tip = gimp_tip_new (_("<b>Your GIMP tips file appears to be missing!</b>"),
NULL);
tip->thetip = g_strdup_printf (_("There should be a file called '%s'. "
"Please check your installation."),
filename);
}
else
{
tip = gimp_tip_new (_("<b>The GIMP tips file could not be parsed!</b>"),
error->message);
}
tips = g_list_prepend (tips, tip);
g_error_free (error);
}
else if (error)
{
g_printerr ("Error while parsing '%s': %s\n",
filename, error->message);
g_error_free (error);
}
g_free (filename);
}
tips_count = g_list_length (tips);
config = GIMP_GUI_CONFIG (gimp->config);
if (config->last_tip >= tips_count || config->last_tip < 0)
config->last_tip = 0;
current_tip = g_list_nth (tips, config->last_tip);
if (tips_dialog)
return tips_dialog;
tips_dialog = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_type_hint (GTK_WINDOW (tips_dialog),
GDK_WINDOW_TYPE_HINT_DIALOG);
gtk_window_set_role (GTK_WINDOW (tips_dialog), "gimp-tip-of-the-day");
gtk_window_set_title (GTK_WINDOW (tips_dialog), _("GIMP Tip of the Day"));
gtk_window_set_position (GTK_WINDOW (tips_dialog), GTK_WIN_POS_CENTER);
gtk_window_set_resizable (GTK_WINDOW (tips_dialog), TRUE);
g_signal_connect (tips_dialog, "delete-event",
G_CALLBACK (gtk_widget_destroy),
NULL);
g_signal_connect (tips_dialog, "destroy",
G_CALLBACK (tips_dialog_destroy),
config);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (tips_dialog), vbox);
gtk_widget_show (vbox);
hbox = gtk_hbox_new (FALSE, 6);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
gtk_widget_show (hbox);
vbox2 = gtk_vbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
gtk_widget_show (vbox2);
welcome_label = gtk_label_new (NULL);
gtk_label_set_justify (GTK_LABEL (welcome_label), GTK_JUSTIFY_LEFT);
gtk_label_set_line_wrap (GTK_LABEL (welcome_label), TRUE);
gtk_misc_set_alignment (GTK_MISC (welcome_label), 0.5, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), welcome_label, FALSE, FALSE, 0);
thetip_label = gtk_label_new (NULL);
gtk_label_set_justify (GTK_LABEL (thetip_label), GTK_JUSTIFY_LEFT);
gtk_label_set_line_wrap (GTK_LABEL (thetip_label), TRUE);
gtk_misc_set_alignment (GTK_MISC (thetip_label), 0.5, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), thetip_label, TRUE, TRUE, 0);
gtk_widget_show (thetip_label);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_box_pack_end (GTK_BOX (hbox), vbox2, FALSE, FALSE, 0);
gtk_widget_show (vbox2);
filename = g_build_filename (gimp_data_directory (),
"images", "wilber-tips.png", NULL);
wilber = gdk_pixbuf_new_from_file (filename, NULL);
g_free (filename);
if (wilber)
{
GtkWidget *image;
image = gtk_image_new_from_pixbuf (wilber);
g_object_unref (wilber);
gtk_box_pack_start (GTK_BOX (vbox2), image, TRUE, FALSE, 0);
gtk_widget_show (image);
}
hbox = gtk_hbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
button = gimp_prop_check_button_new (G_OBJECT (config), "show-tips",
_("Show tip next time GIMP starts"));
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
bbox = gtk_hbutton_box_new ();
gtk_box_pack_end (GTK_BOX (hbox), bbox, FALSE, FALSE, 0);
gtk_widget_show (bbox);
button = gtk_button_new_from_stock (GTK_STOCK_CLOSE);
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_window_set_default (GTK_WINDOW (tips_dialog), button);
gtk_container_add (GTK_CONTAINER (bbox), button);
gtk_widget_show (button);
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (gtk_widget_destroy),
tips_dialog);
bbox = gtk_hbutton_box_new ();
gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
gtk_box_set_spacing (GTK_BOX (bbox), 6);
gtk_box_pack_end (GTK_BOX (hbox), bbox, FALSE, FALSE, 0);
gtk_widget_show (bbox);
button = tips_button_new (_("_Previous Tip"), TRUE);
gtk_widget_set_sensitive (button, (tips_count > 1));
gtk_container_add (GTK_CONTAINER (bbox), button);
gtk_widget_show (button);
g_signal_connect (button, "clicked",
G_CALLBACK (tips_show_previous),
NULL);
button = tips_button_new (_("_Next Tip"), FALSE);
gtk_widget_set_sensitive (button, (tips_count > 1));
gtk_container_add (GTK_CONTAINER (bbox), button);
gtk_widget_show (button);
g_signal_connect (button, "clicked",
G_CALLBACK (tips_show_next),
NULL);
gimp_help_connect (tips_dialog, gimp_standard_help_func,
GIMP_HELP_TIPS_DIALOG, NULL);
tips_set_labels (current_tip->data);
return tips_dialog;
}
static void
tips_dialog_destroy (GtkWidget *widget,
gpointer data)
{
GimpGuiConfig *config = GIMP_GUI_CONFIG (data);
/* the last-shown-tip is saved in sessionrc */
config->last_tip = g_list_position (tips, current_tip);
tips_dialog = NULL;
current_tip = NULL;
gimp_tips_free (tips);
tips = NULL;
}
static GtkWidget *
tips_button_new (const gchar *text,
gboolean back)
{
GtkWidget *button;
GtkWidget *label;
GtkWidget *image;
GtkWidget *hbox;
hbox = gtk_hbox_new (FALSE, 2);
label = gtk_label_new_with_mnemonic (text);
gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
if (back)
gtk_box_pack_end (GTK_BOX (hbox), label, TRUE, TRUE, 0);
else
gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
gtk_widget_show (label);
image = gtk_image_new_from_stock (back ?
GTK_STOCK_GO_BACK : GTK_STOCK_GO_FORWARD,
GTK_ICON_SIZE_BUTTON);
if (back)
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
else
gtk_box_pack_end (GTK_BOX (hbox), image, FALSE, FALSE, 0);
gtk_widget_show (image);
button = gtk_button_new ();
gtk_container_add (GTK_CONTAINER (button), hbox);
gtk_widget_show (hbox);
GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
return button;
}
static void
tips_set_labels (GimpTip *tip)
{
g_return_if_fail (tip != NULL);
if (tip->welcome)
gtk_widget_show (welcome_label);
else
gtk_widget_hide (welcome_label);
gtk_label_set_markup (GTK_LABEL (welcome_label), tip->welcome);
gtk_label_set_markup (GTK_LABEL (thetip_label), tip->thetip);
}
static void
tips_show_previous (GtkWidget *widget,
gpointer data)
{
current_tip = current_tip->prev ? current_tip->prev : g_list_last (tips);
tips_set_labels (current_tip->data);
}
static void
tips_show_next (GtkWidget *widget,
gpointer data)
{
current_tip = current_tip->next ? current_tip->next : tips;
tips_set_labels (current_tip->data);
}