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- /* 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 <stdio.h>
- #include <stdlib.h>
- #include <time.h>
- #include <string.h>
-
- #include <gtk/gtk.h>
-
- #include "tips_dialog.h"
- #include "gimprc.h"
- #include "gimpui.h"
-
- #include "libgimp/gimpenv.h"
-
- #include "libgimp/gimpintl.h"
-
- #include "wilber.h"
-
-
- #define TIPS_DIR_NAME "tips"
-
- 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 void tips_toggle_update (GtkWidget *widget, gpointer data);
- static void read_tips_file (gchar *filename);
-
- static GtkWidget *tips_dialog = NULL;
- static GtkWidget *tips_label;
- static gchar **tips_text = NULL;
- static gint tips_count = 0;
- static gint old_show_tips;
-
- void
- tips_dialog_create (void)
- {
- GtkWidget *vbox;
- GtkWidget *vbox2;
- GtkWidget *hbox;
- GtkWidget *bbox;
- GtkWidget *frame;
- GtkWidget *preview;
- GtkWidget *button;
- gchar *temp;
- guchar *utemp;
- guchar *src;
- guchar *dest;
- gint x;
- gint y;
-
- if (tips_count == 0)
- {
- temp = g_strdup_printf ("%s" G_DIR_SEPARATOR_S TIPS_DIR_NAME
- G_DIR_SEPARATOR_S "%s",
- gimp_data_directory (),
- _("gimp_tips.txt"));
- read_tips_file (temp);
- g_free (temp);
- }
-
- if (last_tip >= tips_count || last_tip < 0)
- last_tip = 0;
-
- if (!tips_dialog)
- {
- tips_dialog = gtk_window_new (GTK_WINDOW_DIALOG);
- gtk_window_set_wmclass (GTK_WINDOW (tips_dialog), "tip_of_the_day", "Gimp");
- 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_policy (GTK_WINDOW (tips_dialog), FALSE, TRUE, FALSE);
-
- gtk_signal_connect (GTK_OBJECT (tips_dialog), "delete_event",
- GTK_SIGNAL_FUNC (tips_dialog_destroy),
- NULL);
- gtk_signal_connect (GTK_OBJECT (tips_dialog), "destroy",
- GTK_SIGNAL_FUNC (gtk_widget_destroyed),
- &tips_dialog);
-
- /* destroy the tips window if the mainlevel gtk_main() function is left */
- gtk_quit_add_destroy (1, GTK_OBJECT (tips_dialog));
-
- vbox = gtk_vbox_new (FALSE, 0);
- gtk_container_add (GTK_CONTAINER (tips_dialog), vbox);
- gtk_widget_show (vbox);
-
- hbox = gtk_hbox_new (FALSE, 5);
- gtk_container_set_border_width (GTK_CONTAINER (hbox), 10);
- gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
- gtk_widget_show (hbox);
-
- tips_label = gtk_label_new (tips_text[last_tip]);
- gtk_label_set_justify (GTK_LABEL (tips_label), GTK_JUSTIFY_LEFT);
- gtk_misc_set_alignment (GTK_MISC (tips_label), 0.5, 0.5);
- gtk_box_pack_start (GTK_BOX (hbox), tips_label, TRUE, TRUE, 3);
- gtk_widget_show (tips_label);
-
- vbox2 = gtk_vbox_new (FALSE, 0);
- gtk_box_pack_end (GTK_BOX (hbox), vbox2, FALSE, FALSE, 0);
- frame = gtk_frame_new (NULL);
- gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
- gtk_box_pack_start (GTK_BOX (vbox2), frame, TRUE, FALSE, 0);
-
- preview = gtk_preview_new (GTK_PREVIEW_COLOR);
- gtk_preview_size (GTK_PREVIEW (preview), wilber_width, wilber_height);
- utemp = g_new (guchar, wilber_width * 3);
- src = (guchar *)wilber_data;
- for (y = 0; y < wilber_height; y++)
- {
- dest = utemp;
- for (x = 0; x < wilber_width; x++)
- {
- HEADER_PIXEL (src, dest);
- dest += 3;
- }
- gtk_preview_draw_row (GTK_PREVIEW (preview), utemp, 0, y, wilber_width);
- }
- g_free(utemp);
- gtk_container_add (GTK_CONTAINER (frame), preview);
- gtk_widget_show (preview);
- gtk_widget_show (frame);
- gtk_widget_show (vbox2);
-
- hbox = gtk_hbox_new (FALSE, 15);
- gtk_container_set_border_width (GTK_CONTAINER (hbox), 10);
- gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
- gtk_widget_show (hbox);
-
- button =
- gtk_check_button_new_with_label (_("Show tip next time GIMP starts"));
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
- show_tips);
- gtk_signal_connect (GTK_OBJECT (button), "toggled",
- GTK_SIGNAL_FUNC (tips_toggle_update),
- (gpointer) &show_tips);
- gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
- gtk_widget_show (button);
-
- old_show_tips = show_tips;
-
- bbox = gtk_hbutton_box_new ();
- gtk_box_pack_end (GTK_BOX (hbox), bbox, FALSE, FALSE, 0);
- gtk_widget_show (bbox);
-
- button = gtk_button_new_with_label (_("Close"));
- GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
- gtk_window_set_default (GTK_WINDOW (tips_dialog), button);
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- GTK_SIGNAL_FUNC (tips_dialog_destroy),
- NULL);
- gtk_container_add (GTK_CONTAINER (bbox), button);
- gtk_widget_show (button);
-
- bbox = gtk_hbutton_box_new ();
- gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
- gtk_button_box_set_spacing (GTK_BUTTON_BOX (bbox), 5);
- gtk_box_pack_end (GTK_BOX (hbox), bbox, FALSE, FALSE, 0);
- gtk_widget_show (bbox);
-
- button = gtk_button_new_with_label (_("Previous Tip"));
- GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- GTK_SIGNAL_FUNC (tips_show_previous),
- NULL);
- gtk_container_add (GTK_CONTAINER (bbox), button);
- gtk_widget_show (button);
-
- button = gtk_button_new_with_label (_("Next Tip"));
- GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- GTK_SIGNAL_FUNC (tips_show_next),
- NULL);
- gtk_container_add (GTK_CONTAINER (bbox), button);
- gtk_widget_show (button);
-
- /* Connect the "F1" help key */
- gimp_help_connect_help_accel (tips_dialog,
- gimp_standard_help_func,
- "dialogs/tip_of_the_day.html");
- }
-
- if (!GTK_WIDGET_VISIBLE (tips_dialog))
- {
- gtk_widget_show (tips_dialog);
- }
- else
- {
- gdk_window_raise (tips_dialog->window);
- }
- }
-
- static void
- tips_dialog_destroy (GtkWidget *widget,
- gpointer data)
- {
- GList *update = NULL; /* options that should be updated in .gimprc */
- GList *remove = NULL; /* options that should be commented out */
-
- gtk_widget_destroy (tips_dialog);
-
- /* the last-shown-tip is now saved in sessionrc */
-
- if (show_tips != old_show_tips)
- {
- update = g_list_append (update, "show-tips");
- remove = g_list_append (remove, "dont-show-tips");
- old_show_tips = show_tips;
- save_gimprc (&update, &remove);
- }
- g_list_free (update);
- g_list_free (remove);
- }
-
- static void
- tips_show_previous (GtkWidget *widget,
- gpointer data)
- {
- last_tip--;
-
- if (last_tip < 0)
- last_tip = tips_count - 1;
-
- gtk_label_set_text (GTK_LABEL (tips_label), tips_text[last_tip]);
- }
-
- static void
- tips_show_next (GtkWidget *widget,
- gpointer data)
- {
- last_tip++;
-
- if (last_tip >= tips_count)
- last_tip = 0;
-
- gtk_label_set_text (GTK_LABEL (tips_label), tips_text[last_tip]);
- }
-
- static void
- tips_toggle_update (GtkWidget *widget,
- gpointer data)
- {
- gint *toggle_val;
-
- toggle_val = (gint *) data;
-
- if (GTK_TOGGLE_BUTTON (widget)->active)
- *toggle_val = TRUE;
- else
- *toggle_val = FALSE;
- }
-
- static void
- store_tip (gchar *str)
- {
- tips_count++;
- tips_text = g_realloc (tips_text, sizeof (gchar *) * tips_count);
- tips_text[tips_count - 1] = str;
- }
-
- static void
- read_tips_file (gchar *filename)
- {
- FILE *fp;
- gchar *tip = NULL;
- gchar *str = NULL;
-
- fp = fopen (filename, "rt");
- if (!fp)
- {
- store_tip (_("Your GIMP tips file appears to be missing!\n"
- "There should be a file called gimp_tips.txt in\n"
- "the tips subdirectory of the GIMP data directory.\n"
- "Please check your installation."));
- return;
- }
-
- str = g_new (char, 1024);
- while (!feof (fp))
- {
- if (!fgets (str, 1024, fp))
- continue;
-
- if (str[0] == '#' || str[0] == '\n')
- {
- if (tip != NULL)
- {
- tip[strlen (tip) - 1] = '\000';
- store_tip (tip);
- tip = NULL;
- }
- }
- else
- {
- if (tip == NULL)
- {
- tip = g_malloc (strlen (str) + 1);
- strcpy (tip, str);
- }
- else
- {
- tip = g_realloc (tip, strlen (tip) + strlen (str) + 1);
- strcat (tip, str);
- }
- }
- }
- if (tip != NULL)
- store_tip (tip);
- g_free (str);
- fclose (fp);
- }
-