src/alertpanel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 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
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30
  31 #include "mainwindow.h"
  32 #include "alertpanel.h"
  33 #include "manage_window.h"
  34 #include "utils.h"
  35 #include "gtkutils.h"
  36 #include "inc.h"
  37 #include "logwindow.h"
  38 #include "prefs_common.h"
  39
  40 #define ALERT_PANEL_WIDTH       380
  41 #define TITLE_HEIGHT            72
  42 #define MESSAGE_HEIGHT          62
  43
  44 static gboolean alertpanel_is_open = FALSE;
  45 static AlertValue value;
  46
  47 static GtkWidget *dialog;
  48
  49 static void alertpanel_show             (void);
  50 static void alertpanel_create           (const gchar    *title,
  51                                          const gchar    *message,
  52                                          const gchar    *button1_label,
  53                                          const gchar    *button2_label,
  54                                          const gchar    *button3_label,
  55                                          gboolean        can_disable,
  56                                          GtkWidget      *custom_widget,
  57                                          gint            alert_type,
  58                                          AlertValue      default_value);
  59
  60 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  61                                          gpointer                data);
  62 static void alertpanel_button_clicked   (GtkWidget              *widget,
  63                                          gpointer                data);
  64 static gint alertpanel_deleted          (GtkWidget              *widget,
  65                                          GdkEventAny            *event,
  66                                          gpointer                data);
  67 static gboolean alertpanel_close        (GtkWidget              *widget,
  68                                          GdkEventAny            *event,
  69                                          gpointer                data);
  70
  71 AlertValue alertpanel_with_widget(const gchar *title,
  72                                   const gchar *message,
  73                                   const gchar *button1_label,
  74                                   const gchar *button2_label,
  75                                   const gchar *button3_label,
  76                                   GtkWidget *widget)
  77 {
  78         return alertpanel_full(title, message, button1_label,
  79                                     button2_label, button3_label,
  80                                     FALSE, widget, ALERT_QUESTION,
  81                                     G_ALERTDEFAULT);
  82 }
  83
  84 AlertValue alertpanel_full(const gchar *title, const gchar *message,
  85                            const gchar *button1_label,
  86                            const gchar *button2_label,
  87                            const gchar *button3_label,
  88                            gboolean     can_disable,
  89                            GtkWidget   *widget,
  90                            AlertType    alert_type,
  91                            AlertValue   default_value)
  92 {
  93         if (alertpanel_is_open)
  94                 return -1;
  95         else
  96                 alertpanel_is_open = TRUE;
  97
  98         alertpanel_create(title, message, button1_label, button2_label,
  99                           button3_label, can_disable, widget, alert_type,
 100                           default_value);
 101         alertpanel_show();
 102
 103         debug_print("return value = %d\n", value);
 104         return value;
 105 }
 106
 107 AlertValue alertpanel(const gchar *title,
 108                       const gchar *message,
 109                       const gchar *button1_label,
 110                       const gchar *button2_label,
 111                       const gchar *button3_label)
 112 {
 113         return alertpanel_full(title, message, button1_label, button2_label,
 114                                button3_label, FALSE, NULL, ALERT_QUESTION,
 115                                G_ALERTDEFAULT);
 116 }
 117
 118 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 119 {
 120         if (alertpanel_is_open)
 121                 return;
 122         else
 123                 alertpanel_is_open = TRUE;
 124
 125         alertpanel_create(title, message, GTK_STOCK_CLOSE, NULL, NULL,
 126                           FALSE, NULL, type, G_ALERTDEFAULT);
 127         alertpanel_show();
 128 }
 129
 130 void alertpanel_notice(const gchar *format, ...)
 131 {
 132         va_list args;
 133         gchar buf[256];
 134
 135         va_start(args, format);
 136         g_vsnprintf(buf, sizeof(buf), format, args);
 137         va_end(args);
 138         strretchomp(buf);
 139
 140         alertpanel_message(_("Notice"), buf, ALERT_NOTICE);
 141 }
 142
 143 void alertpanel_warning(const gchar *format, ...)
 144 {
 145         va_list args;
 146         gchar buf[256];
 147
 148         va_start(args, format);
 149         g_vsnprintf(buf, sizeof(buf), format, args);
 150         va_end(args);
 151         strretchomp(buf);
 152
 153         alertpanel_message(_("Warning"), buf, ALERT_WARNING);
 154 }
 155
 156 void alertpanel_error(const gchar *format, ...)
 157 {
 158         va_list args;
 159         gchar buf[256];
 160
 161         va_start(args, format);
 162         g_vsnprintf(buf, sizeof(buf), format, args);
 163         va_end(args);
 164         strretchomp(buf);
 165
 166         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 167 }
 168
 169 /*!
 170  *\brief        display an error with a View Log button
 171  *
 172  */
 173 void alertpanel_error_log(const gchar *format, ...)
 174 {
 175         va_list args;
 176         int val;
 177         MainWindow *mainwin;
 178         gchar buf[256];
 179
 180         va_start(args, format);
 181         g_vsnprintf(buf, sizeof(buf), format, args);
 182         va_end(args);
 183         strretchomp(buf);
 184
 185         mainwin = mainwindow_get_mainwindow();
 186
 187         if (mainwin && mainwin->logwin) {
 188                 val = alertpanel_full(_("Error"), buf, GTK_STOCK_OK,
 189                                       _("View log"), NULL, FALSE, NULL,
 190                                       ALERT_ERROR, G_ALERTDEFAULT);
 191                 if (val == G_ALERTALTERNATE)
 192                         log_window_show(mainwin->logwin);
 193         } else
 194                 alertpanel_error(buf);
 195 }
 196
 197 static void alertpanel_show(void)
 198 {
 199         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 200         manage_window_set_transient(GTK_WINDOW(dialog));
 201         value = G_ALERTWAIT;
 202
 203         if (gdk_pointer_is_grabbed())
 204                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 205         inc_lock();
 206         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 207                 gtk_main_iteration();
 208
 209         gtk_widget_destroy(dialog);
 210         GTK_EVENTS_FLUSH();
 211
 212         alertpanel_is_open = FALSE;
 213         inc_unlock();
 214 }
 215
 216 static void alertpanel_create(const gchar *title,
 217                               const gchar *message,
 218                               const gchar *button1_label,
 219                               const gchar *button2_label,
 220                               const gchar *button3_label,
 221                               gboolean     can_disable,
 222                               GtkWidget   *custom_widget,
 223                               gint         alert_type,
 224                               AlertValue   default_value)
 225 {
 226         static PangoFontDescription *font_desc;
 227         GtkWidget *image;
 228         GtkWidget *label;
 229         GtkWidget *hbox;
 230         GtkWidget *vbox;
 231         GtkWidget *disable_chkbtn;
 232         GtkWidget *confirm_area;
 233         GtkWidget *button1;
 234         GtkWidget *button2;
 235         GtkWidget *button3;
 236         const gchar *label2;
 237         const gchar *label3;
 238
 239         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 240                                 "size=\"larger\">%s</span>",
 241                                 title?title:"");
 242
 243         debug_print("Creating alert panel dialog...\n");
 244
 245         dialog = gtk_dialog_new();
 246         gtk_window_set_title(GTK_WINDOW(dialog), title);
 247         gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
 248
 249         gtk_window_set_default_size(GTK_WINDOW(dialog), 300, 100);
 250         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 251
 252         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 253         g_signal_connect(G_OBJECT(dialog), "delete_event",
 254                          G_CALLBACK(alertpanel_deleted),
 255                          (gpointer)G_ALERTCANCEL);
 256         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 257                          G_CALLBACK(alertpanel_close),
 258                          (gpointer)G_ALERTCANCEL);
 259
 260         /* for title icon, label and message */
 261         hbox = gtk_hbox_new(FALSE, 12);
 262         gtk_container_set_border_width(GTK_CONTAINER(hbox), 12);
 263         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 264                            hbox, FALSE, FALSE, 0);
 265
 266         /* title icon */
 267         switch (alert_type) {
 268         case ALERT_QUESTION:
 269                 image = gtk_image_new_from_stock
 270                         (GTK_STOCK_DIALOG_QUESTION, GTK_ICON_SIZE_DIALOG);
 271                 break;
 272         case ALERT_WARNING:
 273                 image = gtk_image_new_from_stock
 274                         (GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_DIALOG);
 275                 break;
 276         case ALERT_ERROR:
 277                 image = gtk_image_new_from_stock
 278                         (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
 279                 break;
 280         case ALERT_NOTICE:
 281         default:
 282                 image = gtk_image_new_from_stock
 283                         (GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG);
 284                 break;
 285         }
 286         gtk_misc_set_alignment(GTK_MISC(image), 0.5, 0.0);
 287         gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 288
 289         vbox = gtk_vbox_new (FALSE, 12);
 290         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 291         gtk_widget_show (vbox);
 292
 293         label = gtk_label_new(title_full);
 294         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 295         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 296         gtk_label_set_use_markup(GTK_LABEL (label), TRUE);
 297         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 298         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 299         if (!font_desc) {
 300                 gint size;
 301
 302                 size = pango_font_description_get_size
 303                         (label->style->font_desc);
 304                 font_desc = pango_font_description_new();
 305                 pango_font_description_set_weight
 306                         (font_desc, PANGO_WEIGHT_BOLD);
 307                 pango_font_description_set_size
 308                         (font_desc, size * PANGO_SCALE_LARGE);
 309         }
 310         if (font_desc)
 311                 gtk_widget_modify_font(label, font_desc);
 312         g_free(title_full);
 313
 314         label = gtk_label_new(message);
 315         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 316         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 317         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 318         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 319         GTK_WIDGET_UNSET_FLAGS(label, GTK_CAN_FOCUS);
 320         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 321         gtk_widget_show(label);
 322
 323         /* Claws: custom widget */
 324         if (custom_widget) {
 325                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 326                                    FALSE, 0);
 327         }
 328
 329         if (can_disable) {
 330                 hbox = gtk_hbox_new(FALSE, 0);
 331                 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox,
 332                                    FALSE, FALSE, 0);
 333
 334                 disable_chkbtn = gtk_check_button_new_with_label
 335                         (_("Show this message next time"));
 336                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 337                                              TRUE);
 338                 gtk_box_pack_start(GTK_BOX(hbox), disable_chkbtn,
 339                                    FALSE, FALSE, 12);
 340                 g_signal_connect(G_OBJECT(disable_chkbtn), "toggled",
 341                                  G_CALLBACK(alertpanel_button_toggled),
 342                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 343         }
 344
 345         /* for button(s) */
 346         if (!button1_label)
 347                 button1_label = GTK_STOCK_OK;
 348         label2 = button2_label;
 349         label3 = button3_label;
 350         if (label2 && *label2 == '+') label2++;
 351         if (label3 && *label3 == '+') label3++;
 352
 353         gtkut_stock_button_set_create(&confirm_area,
 354                                       &button1, button1_label,
 355                                       button2_label ? &button2 : NULL, label2,
 356                                       button3_label ? &button3 : NULL, label3);
 357
 358         gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dialog)->action_area),
 359                          confirm_area, FALSE, FALSE, 0);
 360         gtk_container_set_border_width(GTK_CONTAINER(confirm_area), 5);
 361         gtk_widget_grab_default(button1);
 362         gtk_widget_grab_focus(button1);
 363         if (button2_label &&
 364             (default_value == G_ALERTALTERNATE || *button2_label == '+')) {
 365                 gtk_widget_grab_default(button2);
 366                 gtk_widget_grab_focus(button2);
 367         }
 368         if (button3_label &&
 369             (default_value == G_ALERTOTHER || *button3_label == '+')) {
 370                 gtk_widget_grab_default(button3);
 371                 gtk_widget_grab_focus(button3);
 372         }
 373
 374         g_signal_connect(G_OBJECT(button1), "clicked",
 375                          G_CALLBACK(alertpanel_button_clicked),
 376                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 377         if (button2_label)
 378                 g_signal_connect(G_OBJECT(button2), "clicked",
 379                                  G_CALLBACK(alertpanel_button_clicked),
 380                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 381         if (button3_label)
 382                 g_signal_connect(G_OBJECT(button3), "clicked",
 383                                  G_CALLBACK(alertpanel_button_clicked),
 384                                  GUINT_TO_POINTER(G_ALERTOTHER));
 385
 386         gtk_widget_show_all(dialog);
 387 }
 388
 389 static void alertpanel_button_toggled(GtkToggleButton *button,
 390                                       gpointer data)
 391 {
 392         if (gtk_toggle_button_get_active(button))
 393                 value &= ~GPOINTER_TO_UINT(data);
 394         else
 395                 value |= GPOINTER_TO_UINT(data);
 396 }
 397
 398 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 399 {
 400         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 401 }
 402
 403 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 404                                gpointer data)
 405 {
 406         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 407         return TRUE;
 408 }
 409
 410 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 411                                  gpointer data)
 412 {
 413         if (event->type == GDK_KEY_PRESS)
 414                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 415                         return FALSE;
 416
 417         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 418         return FALSE;
 419 }