src/alertpanel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <stddef.h>
  25 #include <gtk/gtk.h>
  26 #include <gdk/gdkkeysyms.h>
  27
  28 #include "intl.h"
  29 #include "mainwindow.h"
  30 #include "alertpanel.h"
  31 #include "manage_window.h"
  32 #include "utils.h"
  33 #include "gtkutils.h"
  34 #include "inc.h"
  35 #include "logwindow.h"
  36 #include "prefs_common.h"
  37
  38 #define ALERT_PANEL_WIDTH       380
  39 #define TITLE_HEIGHT            72
  40 #define MESSAGE_HEIGHT          62
  41
  42 static gboolean alertpanel_is_open = FALSE;
  43 static AlertValue value;
  44
  45 static GtkWidget *dialog;
  46
  47 static void alertpanel_show             (void);
  48 static void alertpanel_create           (const gchar    *title,
  49                                          const gchar    *message,
  50                                          const gchar    *button1_label,
  51                                          const gchar    *button2_label,
  52                                          const gchar    *button3_label,
  53                                          gboolean        can_disable,
  54                                          GtkWidget      *custom_widget,
  55                                          gint            alert_type);
  56
  57 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  58                                          gpointer                data);
  59 static void alertpanel_button_clicked   (GtkWidget              *widget,
  60                                          gpointer                data);
  61 static gint alertpanel_deleted          (GtkWidget              *widget,
  62                                          GdkEventAny            *event,
  63                                          gpointer                data);
  64 static gboolean alertpanel_close        (GtkWidget              *widget,
  65                                          GdkEventAny            *event,
  66                                          gpointer                data);
  67
  68 AlertValue alertpanel(const gchar *title,
  69                       const gchar *message,
  70                       const gchar *button1_label,
  71                       const gchar *button2_label,
  72                       const gchar *button3_label)
  73 {
  74         return alertpanel_with_type(title, message, button1_label,
  75                                     button2_label, button3_label,
  76                                     NULL, ALERT_QUESTION);
  77 }
  78
  79 AlertValue alertpanel_with_widget(const gchar *title,
  80                                   const gchar *message,
  81                                   const gchar *button1_label,
  82                                   const gchar *button2_label,
  83                                   const gchar *button3_label,
  84                                   GtkWidget *widget)
  85 {
  86         return alertpanel_with_type(title, message, button1_label,
  87                                     button2_label, button3_label,
  88                                     widget, ALERT_QUESTION);
  89 }
  90
  91 AlertValue alertpanel_with_type(const gchar *title,
  92                                 const gchar *message,
  93                                 const gchar *button1_label,
  94                                 const gchar *button2_label,
  95                                 const gchar *button3_label,
  96                                 GtkWidget   *widget,
  97                                 gint         alert_type)
  98 {
  99         if (alertpanel_is_open)
 100                 return -1;
 101         else
 102                 alertpanel_is_open = TRUE;
 103
 104         alertpanel_create(title, message, button1_label, button2_label,
 105                           button3_label, FALSE, widget, alert_type);
 106         alertpanel_show();
 107
 108         debug_print("return value = %d\n", value);
 109         return value;
 110 }
 111
 112 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 113 {
 114         if (alertpanel_is_open)
 115                 return;
 116         else
 117                 alertpanel_is_open = TRUE;
 118
 119         alertpanel_create(title, message, NULL, NULL, NULL, FALSE, NULL, type);
 120         alertpanel_show();
 121 }
 122
 123 AlertValue alertpanel_message_with_disable(const gchar *title,
 124                                            const gchar *message,
 125                                            gint alert_type)
 126 {
 127         if (alertpanel_is_open)
 128                 return 0;
 129         else
 130                 alertpanel_is_open = TRUE;
 131
 132         alertpanel_create(title, message, NULL, NULL, NULL, TRUE, NULL,
 133                           alert_type);
 134         alertpanel_show();
 135
 136         return value;
 137 }
 138
 139 void alertpanel_notice(const gchar *format, ...)
 140 {
 141         va_list args;
 142         gchar buf[256];
 143
 144         va_start(args, format);
 145         g_vsnprintf(buf, sizeof(buf), format, args);
 146         va_end(args);
 147         strretchomp(buf);
 148
 149         alertpanel_message(_("Notice"), buf, ALERT_NOTICE);
 150 }
 151
 152 void alertpanel_warning(const gchar *format, ...)
 153 {
 154         va_list args;
 155         gchar buf[256];
 156
 157         va_start(args, format);
 158         g_vsnprintf(buf, sizeof(buf), format, args);
 159         va_end(args);
 160         strretchomp(buf);
 161
 162         alertpanel_message(_("Warning"), buf, ALERT_WARNING);
 163 }
 164
 165 void alertpanel_error(const gchar *format, ...)
 166 {
 167         va_list args;
 168         gchar buf[256];
 169
 170         va_start(args, format);
 171         g_vsnprintf(buf, sizeof(buf), format, args);
 172         va_end(args);
 173         strretchomp(buf);
 174
 175         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 176 }
 177
 178 /*!
 179  *\brief        display an error with a View Log button
 180  *
 181  */
 182 void alertpanel_error_log(const gchar *format, ...)
 183 {
 184         va_list args;
 185         int val;
 186         MainWindow *mainwin;
 187         gchar buf[256];
 188
 189         va_start(args, format);
 190         g_vsnprintf(buf, sizeof(buf), format, args);
 191         va_end(args);
 192         strretchomp(buf);
 193
 194         mainwin = mainwindow_get_mainwindow();
 195
 196         if (mainwin && mainwin->logwin) {
 197                 val = alertpanel_with_type(_("Error"), buf, _("OK"), _("View log"), NULL, NULL, ALERT_ERROR);
 198                 if (val == G_ALERTALTERNATE)
 199                         log_window_show(mainwin->logwin);
 200         } else
 201                 alertpanel_error(buf);
 202 }
 203
 204 static void alertpanel_show(void)
 205 {
 206         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 207         manage_window_set_transient(GTK_WINDOW(dialog));
 208         value = G_ALERTWAIT;
 209
 210         if (gdk_pointer_is_grabbed())
 211                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 212         inc_lock();
 213         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 214                 gtk_main_iteration();
 215
 216         gtk_widget_destroy(dialog);
 217         GTK_EVENTS_FLUSH();
 218
 219         alertpanel_is_open = FALSE;
 220         inc_unlock();
 221 }
 222
 223 static void alertpanel_create(const gchar *title,
 224                               const gchar *message,
 225                               const gchar *button1_label,
 226                               const gchar *button2_label,
 227                               const gchar *button3_label,
 228                               gboolean     can_disable,
 229                               GtkWidget   *custom_widget,
 230                               gint         alert_type)
 231 {
 232         GtkWidget *label;
 233         GtkWidget *w_hbox;
 234         GtkWidget *hbox;
 235         GtkWidget *vbox;
 236         GtkWidget *disable_chkbtn;
 237         GtkWidget *confirm_area;
 238         GtkWidget *button1;
 239         GtkWidget *button2;
 240         GtkWidget *button3;
 241         GtkWidget *icon;
 242         const gchar *label2;
 243         const gchar *label3;
 244         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 245                                 "size=\"larger\">%s</span>",
 246                                 title?title:"");
 247
 248         gchar *icon_desc[] = {  GTK_STOCK_DIALOG_INFO,
 249                                 GTK_STOCK_DIALOG_QUESTION,
 250                                 GTK_STOCK_DIALOG_WARNING,
 251                                 GTK_STOCK_DIALOG_ERROR };
 252
 253         debug_print("Creating alert panel dialog...\n");
 254
 255         dialog = gtk_dialog_new();
 256         gtk_window_set_title(GTK_WINDOW(dialog), title);
 257         gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
 258         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 259         gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
 260
 261         gtk_container_set_border_width
 262                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 263         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 264         g_signal_connect(G_OBJECT(dialog), "delete_event",
 265                          G_CALLBACK(alertpanel_deleted),
 266                          (gpointer)G_ALERTOTHER);
 267         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 268                          G_CALLBACK(alertpanel_close),
 269                          (gpointer)G_ALERTOTHER);
 270         gtk_widget_realize(dialog);
 271
 272         gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 14);
 273         hbox = gtk_hbox_new (FALSE, 12);
 274         gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
 275         gtk_widget_show (hbox);
 276         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox,
 277                             FALSE, FALSE, 0);
 278
 279         /* for title label */
 280         w_hbox = gtk_hbox_new(FALSE, 0);
 281
 282         if (alert_type < 0 || alert_type > 3)
 283                 alert_type = 0;
 284
 285         icon = gtk_image_new_from_stock(icon_desc[alert_type],
 286                                         GTK_ICON_SIZE_DIALOG);
 287         gtk_misc_set_alignment (GTK_MISC (icon), 0.5, 0.0);
 288         gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
 289
 290         vbox = gtk_vbox_new (FALSE, 12);
 291         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 292         gtk_widget_show (vbox);
 293
 294         label = gtk_label_new(title_full);
 295         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 296         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 297         gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
 298         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 299         gtk_widget_show(label);
 300         g_free(title_full);
 301
 302         label = gtk_label_new(message);
 303         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 304         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 305         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 306         gtk_widget_show(label);
 307
 308         /* Claws: custom widget */
 309         if (custom_widget) {
 310                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 311                                    FALSE, 0);
 312         }
 313
 314         if (can_disable) {
 315                 disable_chkbtn = gtk_check_button_new_with_label
 316                         (_("Show this message next time"));
 317                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 318                                              TRUE);
 319                 gtk_box_pack_start(GTK_BOX(vbox), disable_chkbtn,
 320                                    FALSE, FALSE, 0);
 321                 g_signal_connect(G_OBJECT(disable_chkbtn), "toggled",
 322                                  G_CALLBACK(alertpanel_button_toggled),
 323                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 324         }
 325
 326         /* for button(s) */
 327         if (!button1_label)
 328                 button1_label = _("OK");
 329         label2 = button2_label;
 330         label3 = button3_label;
 331         if (label2 && *label2 == '+') label2++;
 332         if (label3 && *label3 == '+') label3++;
 333
 334         gtkut_button_set_create(&confirm_area,
 335                                 &button1, button1_label,
 336                                 button2_label ? &button2 : NULL, label2,
 337                                 button3_label ? &button3 : NULL, label3);
 338
 339         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area), confirm_area, FALSE, FALSE, 12);
 340         gtk_widget_grab_default(button1);
 341         gtk_widget_grab_focus(button1);
 342         if (button2_label && *button2_label == '+') {
 343                 gtk_widget_grab_default(button2);
 344                 gtk_widget_grab_focus(button2);
 345         }
 346         if (button3_label && *button3_label == '+') {
 347                 gtk_widget_grab_default(button3);
 348                 gtk_widget_grab_focus(button3);
 349         }
 350
 351         g_signal_connect(G_OBJECT(button1), "clicked",
 352                          G_CALLBACK(alertpanel_button_clicked),
 353                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 354         if (button2_label)
 355                 g_signal_connect(G_OBJECT(button2), "clicked",
 356                                  G_CALLBACK(alertpanel_button_clicked),
 357                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 358         if (button3_label)
 359                 g_signal_connect(G_OBJECT(button3), "clicked",
 360                                  G_CALLBACK(alertpanel_button_clicked),
 361                                  GUINT_TO_POINTER(G_ALERTOTHER));
 362
 363         gtk_widget_show_all(dialog);
 364 }
 365
 366 static void alertpanel_button_toggled(GtkToggleButton *button,
 367                                       gpointer data)
 368 {
 369         if (gtk_toggle_button_get_active(button))
 370                 value &= ~GPOINTER_TO_UINT(data);
 371         else
 372                 value |= GPOINTER_TO_UINT(data);
 373 }
 374
 375 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 376 {
 377         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 378 }
 379
 380 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 381                                gpointer data)
 382 {
 383         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 384         return TRUE;
 385 }
 386
 387 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 388                              gpointer data)
 389 {
 390         if (event->type == GDK_KEY_PRESS)
 391                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 392                         return FALSE;
 393
 394         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 395         return FALSE;
 396 }