Sylpheed

/*

 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client

 * Copyright (C) 1999-2004 Hiroyuki Yamamoto

 *

 * 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.

 */

#ifdef HAVE_CONFIG_H

#  include "config.h"

#endif

#include "defs.h"

#include <gtk/gtk.h>

#include <gdk/gdkkeysyms.h>

#include "intl.h"

#include "alertpanel.h"

#include "manage_window.h"

#include "utils.h"

#include "gtkutils.h"

#include "inc.h"

#include "stock_pixmap.h"

#include "prefs_common.h"

#define ALERT_PANEL_WIDTH        380

#define TITLE_HEIGHT                72

#define MESSAGE_HEIGHT                62

static gboolean alertpanel_is_open = FALSE;

static AlertValue value;

static GtkWidget *dialog;

static void alertpanel_show                (void);

static void alertpanel_create                (const gchar        *title,

                                         const gchar        *message,

                                         const gchar        *button1_label,

                                         const gchar        *button2_label,

                                         const gchar        *button3_label,

                                         gboolean         can_disable,

                                         AlertType         type);

static void alertpanel_button_toggled        (GtkToggleButton        *button,

                                         gpointer                 data);

static void alertpanel_button_clicked        (GtkWidget                *widget,

                                         gpointer                 data);

static gint alertpanel_deleted                (GtkWidget                *widget,

                                         GdkEventAny                *event,

                                         gpointer                 data);

static gboolean alertpanel_close        (GtkWidget                *widget,

                                         GdkEventAny                *event,

                                         gpointer                 data);

AlertValue alertpanel(const gchar *title,

                      const gchar *message,

                      const gchar *button1_label,

                      const gchar *button2_label,

                      const gchar *button3_label)

{

        if (alertpanel_is_open)

                return -1;

        else

                alertpanel_is_open = TRUE;

        alertpanel_create(title, message, button1_label, button2_label,

                          button3_label, FALSE, ALERT_QUESTION);

        alertpanel_show();

        debug_print("return value = %d\n", value);

        return value;

}

void alertpanel_message(const gchar *title, const gchar *message,

                        AlertType type)

{

        if (alertpanel_is_open)

                return;

        else

                alertpanel_is_open = TRUE;

        alertpanel_create(title, message, NULL, NULL, NULL, FALSE, type);

        alertpanel_show();

}

AlertValue alertpanel_message_with_disable(const gchar *title,

                                           const gchar *message,

                                           AlertType type)

{

        if (alertpanel_is_open)

                return 0;

        else

                alertpanel_is_open = TRUE;

        alertpanel_create(title, message, NULL, NULL, NULL, TRUE, type);

        alertpanel_show();

        return value;

}

void alertpanel_notice(const gchar *format, ...)

{

        va_list args;

        gchar buf[256];

        va_start(args, format);

        g_vsnprintf(buf, sizeof(buf), format, args);

        va_end(args);

        strretchomp(buf);

        alertpanel_message(_("Notice"), buf, ALERT_NOTICE);

}

void alertpanel_warning(const gchar *format, ...)

{

        va_list args;

        gchar buf[256];

        va_start(args, format);

        g_vsnprintf(buf, sizeof(buf), format, args);

        va_end(args);

        strretchomp(buf);

        alertpanel_message(_("Warning"), buf, ALERT_WARNING);

}

void alertpanel_error(const gchar *format, ...)

{

        va_list args;

        gchar buf[256];

        va_start(args, format);

        g_vsnprintf(buf, sizeof(buf), format, args);

        va_end(args);

        strretchomp(buf);

        alertpanel_message(_("Error"), buf, ALERT_ERROR);

}

static void alertpanel_show(void)

{

        gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);

        manage_window_set_transient(GTK_WINDOW(dialog));

        value = G_ALERTWAIT;

        inc_lock();

        while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)

                gtk_main_iteration();

        gtk_widget_destroy(dialog);

        GTK_EVENTS_FLUSH();

        alertpanel_is_open = FALSE;

        inc_unlock();

}

static void alertpanel_create(const gchar *title,

                              const gchar *message,

                              const gchar *button1_label,

                              const gchar *button2_label,

                              const gchar *button3_label,

                              gboolean           can_disable,

                              AlertType    type)

{

        static PangoFontDescription *font_desc;

        StockPixmap stock_pixmap;

        GtkWidget *pixmapwid;

        GtkWidget *label;

        GtkWidget *hbox;

        GtkWidget *vbox;

        GtkWidget *spc_vbox;

        GtkWidget *msg_vbox;

        GtkWidget *disable_chkbtn;

        GtkWidget *confirm_area;

        GtkWidget *button1;

        GtkWidget *button2;

        GtkWidget *button3;

        const gchar *label2;

        const gchar *label3;

        debug_print(_("Creating alert panel dialog...\n"));

        dialog = gtk_dialog_new();

        gtk_window_set_title(GTK_WINDOW(dialog), title);

        gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);

        gtk_container_set_border_width

                (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);

        gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);

        g_signal_connect(G_OBJECT(dialog), "delete_event",

                         G_CALLBACK(alertpanel_deleted),

                         (gpointer)G_ALERTOTHER);

        g_signal_connect(G_OBJECT(dialog), "key_press_event",

                         G_CALLBACK(alertpanel_close),

                         (gpointer)G_ALERTOTHER);

        gtk_widget_realize(dialog);

        /* for title label */

        hbox = gtk_hbox_new(FALSE, 0);

        gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),

                           hbox, TRUE, TRUE, 8);

        /* title icon and label */

        switch (type) {

        case ALERT_NOTICE:

                stock_pixmap = STOCK_PIXMAP_DIALOG_INFO; break;

        case ALERT_QUESTION:

                stock_pixmap = STOCK_PIXMAP_DIALOG_QUESTION; break;

        case ALERT_WARNING:

                stock_pixmap = STOCK_PIXMAP_DIALOG_WARNING; break;

        case ALERT_ERROR:

                stock_pixmap = STOCK_PIXMAP_DIALOG_ERROR; break;

        default:

                stock_pixmap = STOCK_PIXMAP_DIALOG_QUESTION; break;

        }

        pixmapwid = stock_pixmap_widget(dialog, stock_pixmap);

        gtk_box_pack_start(GTK_BOX(hbox), pixmapwid, FALSE, FALSE, 16);

        label = gtk_label_new(title);

        gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 0);

        gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);

        if (!font_desc) {

                gchar *fontstr = prefs_common.titlefont

                        ? prefs_common.titlefont

                        : DEFAULT_TITLE_FONT;

                font_desc = pango_font_description_from_string(fontstr);

        }

        if (font_desc)

                gtk_widget_modify_font(label, font_desc);

        /* for message and button(s) */

        vbox = gtk_vbox_new(FALSE, 0);

        gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),

                          vbox);

        spc_vbox = gtk_vbox_new(FALSE, 0);

        gtk_box_pack_start(GTK_BOX(vbox), spc_vbox, FALSE, FALSE, 0);

        gtk_widget_set_size_request(spc_vbox, -1, 16);

        msg_vbox = gtk_vbox_new(FALSE, 0);

        gtk_box_pack_start(GTK_BOX(vbox), msg_vbox, FALSE, FALSE, 0);

        /* for message label */

        hbox = gtk_hbox_new(FALSE, 0);

        gtk_box_pack_start(GTK_BOX(msg_vbox), hbox, FALSE, FALSE, 0);

        /* message label */

        label = gtk_label_new(message);

        gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 24);

        gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);

        if (can_disable) {

                hbox = gtk_hbox_new(FALSE, 0);

                gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);

                gtk_container_set_border_width(GTK_CONTAINER(hbox), 8);

                disable_chkbtn = gtk_check_button_new_with_label

                        (_("Show this message next time"));

                gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),

                                             TRUE);

                gtk_box_pack_start(GTK_BOX(hbox), disable_chkbtn,

                                   FALSE, FALSE, 0);

                g_signal_connect(G_OBJECT(disable_chkbtn), "toggled",

                                 G_CALLBACK(alertpanel_button_toggled),

                                 GUINT_TO_POINTER(G_ALERTDISABLE));

        } else {

                spc_vbox = gtk_vbox_new(FALSE, 0);

                gtk_box_pack_start(GTK_BOX(vbox), spc_vbox, FALSE, FALSE, 0);

                gtk_widget_set_size_request(spc_vbox, -1, 20);

        }

        /* for button(s) */

        if (!button1_label)

                button1_label = _("OK");

        label2 = button2_label;

        label3 = button3_label;

        if (label2 && *label2 == '+') label2++;

        if (label3 && *label3 == '+') label3++;

        gtkut_button_set_create(&confirm_area,

                                &button1, button1_label,

                                button2_label ? &button2 : NULL, label2,

                                button3_label ? &button3 : NULL, label3);

        gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);

        gtk_widget_grab_default(button1);

        gtk_widget_grab_focus(button1);

        if (button2_label && *button2_label == '+') {

                gtk_widget_grab_default(button2);

                gtk_widget_grab_focus(button2);

        }

        if (button3_label && *button3_label == '+') {

                gtk_widget_grab_default(button3);

                gtk_widget_grab_focus(button3);

        }

        g_signal_connect(G_OBJECT(button1), "clicked",

                         G_CALLBACK(alertpanel_button_clicked),

                         GUINT_TO_POINTER(G_ALERTDEFAULT));

        if (button2_label)

                g_signal_connect(G_OBJECT(button2), "clicked",

                                 G_CALLBACK(alertpanel_button_clicked),

                                 GUINT_TO_POINTER(G_ALERTALTERNATE));

        if (button3_label)

                g_signal_connect(G_OBJECT(button3), "clicked",

                                 G_CALLBACK(alertpanel_button_clicked),

                                 GUINT_TO_POINTER(G_ALERTOTHER));

        gtk_widget_show_all(dialog);

}

static void alertpanel_button_toggled(GtkToggleButton *button,

                                      gpointer data)

{

        if (gtk_toggle_button_get_active(button))

                value &= ~GPOINTER_TO_UINT(data);

        else

                value |= GPOINTER_TO_UINT(data);

}

static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)

{

        value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;

}

static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,

                               gpointer data)

{

        value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;

        return TRUE;

}

static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,

                                 gpointer data)

{

        if (event->type == GDK_KEY_PRESS)

                if (((GdkEventKey *)event)->keyval != GDK_Escape)

                        return FALSE;

        value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;

        return FALSE;

}