271 lines
8.4 KiB
C
271 lines
8.4 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "dialogs-types.h"
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#include "config/pikaguiconfig.h"
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#include "core/pika.h"
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#include "widgets/pikahelp-ids.h"
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#include "tips-dialog.h"
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#include "tips-parser.h"
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#include "pika-intl.h"
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enum
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{
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RESPONSE_PREVIOUS = 1,
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RESPONSE_NEXT = 2
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};
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static void tips_dialog_set_tip (PikaTip *tip);
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static void tips_dialog_response (GtkWidget *dialog,
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gint response);
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static void tips_dialog_destroy (GtkWidget *widget,
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PikaGuiConfig *config);
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static gboolean more_button_clicked (GtkWidget *button,
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Pika *pika);
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static GtkWidget *tips_dialog = NULL;
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static GtkWidget *tip_label = NULL;
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static GtkWidget *more_button = NULL;
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static GList *tips = NULL;
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static GList *current_tip = NULL;
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GtkWidget *
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tips_dialog_create (Pika *pika)
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{
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PikaGuiConfig *config;
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *button;
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GtkWidget *image;
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gint tips_count;
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g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
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if (!tips)
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{
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GError *error = NULL;
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GFile *file;
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file = pika_data_directory_file ("tips", "pika-tips.xml", NULL);
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tips = pika_tips_from_file (file, &error);
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if (! tips)
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{
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PikaTip *tip;
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if (! error)
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{
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tip = pika_tip_new (_("The PIKA tips file is empty!"), NULL);
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}
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else if (error->code == G_FILE_ERROR_NOENT)
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{
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tip = pika_tip_new (_("The PIKA tips file appears to be "
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"missing!"),
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_("There should be a file called '%s'. "
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"Please check your installation."),
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pika_file_get_utf8_name (file));
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}
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else
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{
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tip = pika_tip_new (_("The PIKA tips file could not be parsed!"),
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"%s", error->message);
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}
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tips = g_list_prepend (tips, tip);
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}
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else if (error)
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{
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g_printerr ("Error while parsing '%s': %s\n",
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pika_file_get_utf8_name (file), error->message);
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}
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g_clear_error (&error);
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g_object_unref (file);
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}
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tips_count = g_list_length (tips);
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config = PIKA_GUI_CONFIG (pika->config);
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if (config->last_tip_shown >= tips_count || config->last_tip_shown < 0)
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config->last_tip_shown = 0;
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current_tip = g_list_nth (tips, config->last_tip_shown);
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if (tips_dialog)
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return tips_dialog;
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tips_dialog = pika_dialog_new (_("PIKA Tip of the Day"),
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"pika-tip-of-the-day",
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NULL, 0, NULL, NULL,
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NULL);
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button = gtk_dialog_add_button (GTK_DIALOG (tips_dialog),
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_("_Previous Tip"), RESPONSE_PREVIOUS);
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gtk_button_set_image (GTK_BUTTON (button),
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gtk_image_new_from_icon_name (PIKA_ICON_GO_PREVIOUS,
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GTK_ICON_SIZE_BUTTON));
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button = gtk_dialog_add_button (GTK_DIALOG (tips_dialog),
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_("_Next Tip"), RESPONSE_NEXT);
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gtk_button_set_image (GTK_BUTTON (button),
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gtk_image_new_from_icon_name (PIKA_ICON_GO_NEXT,
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GTK_ICON_SIZE_BUTTON));
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gtk_dialog_set_response_sensitive (GTK_DIALOG (tips_dialog),
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RESPONSE_NEXT, tips_count > 1);
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gtk_dialog_set_response_sensitive (GTK_DIALOG (tips_dialog),
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RESPONSE_PREVIOUS, tips_count > 1);
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g_signal_connect (tips_dialog, "response",
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G_CALLBACK (tips_dialog_response),
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NULL);
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g_signal_connect (tips_dialog, "destroy",
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G_CALLBACK (tips_dialog_destroy),
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config);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (tips_dialog))),
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vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_container_set_border_width (GTK_CONTAINER (hbox), 6);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
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gtk_widget_show (hbox);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
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gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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image = gtk_image_new_from_icon_name (PIKA_ICON_DIALOG_INFORMATION,
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GTK_ICON_SIZE_DIALOG);
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gtk_widget_set_valign (image, GTK_ALIGN_START);
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gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
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gtk_widget_show (image);
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tip_label = gtk_label_new (NULL);
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gtk_label_set_selectable (GTK_LABEL (tip_label), TRUE);
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gtk_label_set_justify (GTK_LABEL (tip_label), GTK_JUSTIFY_LEFT);
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gtk_label_set_line_wrap (GTK_LABEL (tip_label), TRUE);
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gtk_label_set_yalign (GTK_LABEL (tip_label), 0.0);
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gtk_box_pack_start (GTK_BOX (vbox), tip_label, TRUE, TRUE, 0);
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gtk_widget_show (tip_label);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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more_button = gtk_link_button_new_with_label ("https://heckin.technology/AlderconeStudio/PIKApp/wiki/",
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/* a link to the related section in the user manual */
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_("Learn more"));
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gtk_widget_show (more_button);
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gtk_box_pack_start (GTK_BOX (hbox), more_button, FALSE, FALSE, 0);
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g_signal_connect (more_button, "activate-link",
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G_CALLBACK (more_button_clicked),
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pika);
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tips_dialog_set_tip (current_tip->data);
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return tips_dialog;
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}
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static void
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tips_dialog_destroy (GtkWidget *widget,
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PikaGuiConfig *config)
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{
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/* the last-shown-tip is saved in sessionrc */
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config->last_tip_shown = g_list_position (tips, current_tip);
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tips_dialog = NULL;
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current_tip = NULL;
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pika_tips_free (tips);
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tips = NULL;
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}
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static void
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tips_dialog_response (GtkWidget *dialog,
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gint response)
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{
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switch (response)
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{
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case RESPONSE_PREVIOUS:
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current_tip = current_tip->prev ? current_tip->prev : g_list_last (tips);
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tips_dialog_set_tip (current_tip->data);
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break;
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case RESPONSE_NEXT:
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current_tip = current_tip->next ? current_tip->next : tips;
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tips_dialog_set_tip (current_tip->data);
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break;
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default:
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gtk_widget_destroy (dialog);
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break;
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}
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}
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static void
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tips_dialog_set_tip (PikaTip *tip)
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{
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g_return_if_fail (tip != NULL);
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gtk_label_set_markup (GTK_LABEL (tip_label), tip->text);
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/* set the URI to unset the "visited" state */
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gtk_link_button_set_uri (GTK_LINK_BUTTON (more_button),
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"https://heckin.technology/AlderconeStudio/PIKApp/wiki/");
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gtk_widget_set_sensitive (more_button, tip->help_id != NULL);
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}
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static gboolean
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more_button_clicked (GtkWidget *button,
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Pika *pika)
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{
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PikaTip *tip = current_tip->data;
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if (tip->help_id)
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pika_help (pika, NULL, NULL, tip->help_id);
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/* Do not run the link set at construction. */
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return TRUE;
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}
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