src/alertpanel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 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                                   gboolean     can_disable,
  77                                   GtkWidget *widget)
  78 {
  79         return alertpanel_full(title, message, button1_label,
  80                                     button2_label, button3_label,
  81                                     can_disable, widget, ALERT_QUESTION,
  82                                     G_ALERTDEFAULT);
  83 }
  84
  85 AlertValue alertpanel_full(const gchar *title, const gchar *message,
  86                            const gchar *button1_label,
  87                            const gchar *button2_label,
  88                            const gchar *button3_label,
  89                            gboolean     can_disable,
  90                            GtkWidget   *widget,
  91                            AlertType    alert_type,
  92                            AlertValue   default_value)
  93 {
  94         if (alertpanel_is_open)
  95                 return -1;
  96         else
  97                 alertpanel_is_open = TRUE;
  98
  99         alertpanel_create(title, message, button1_label, button2_label,
 100                           button3_label, can_disable, widget, alert_type,
 101                           default_value);
 102         alertpanel_show();
 103
 104         debug_print("return value = %d\n", value);
 105         return value;
 106 }
 107
 108 AlertValue alertpanel(const gchar *title,
 109                       const gchar *message,
 110                       const gchar *button1_label,
 111                       const gchar *button2_label,
 112                       const gchar *button3_label)
 113 {
 114         return alertpanel_full(title, message, button1_label, button2_label,
 115                                button3_label, FALSE, NULL, ALERT_QUESTION,
 116                                G_ALERTDEFAULT);
 117 }
 118
 119 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 120 {
 121         if (alertpanel_is_open)
 122                 return;
 123         else
 124                 alertpanel_is_open = TRUE;
 125
 126         alertpanel_create(title, message, GTK_STOCK_CLOSE, NULL, NULL,
 127                           FALSE, NULL, type, G_ALERTDEFAULT);
 128         alertpanel_show();
 129 }
 130
 131 void alertpanel_notice(const gchar *format, ...)
 132 {
 133         va_list args;
 134         gchar buf[256];
 135
 136         va_start(args, format);
 137         g_vsnprintf(buf, sizeof(buf), format, args);
 138         va_end(args);
 139         strretchomp(buf);
 140
 141         alertpanel_message(_("Notice"), buf, ALERT_NOTICE);
 142 }
 143
 144 void alertpanel_warning(const gchar *format, ...)
 145 {
 146         va_list args;
 147         gchar buf[256];
 148
 149         va_start(args, format);
 150         g_vsnprintf(buf, sizeof(buf), format, args);
 151         va_end(args);
 152         strretchomp(buf);
 153
 154         alertpanel_message(_("Warning"), buf, ALERT_WARNING);
 155 }
 156
 157 void alertpanel_error(const gchar *format, ...)
 158 {
 159         va_list args;
 160         gchar buf[256];
 161
 162         va_start(args, format);
 163         g_vsnprintf(buf, sizeof(buf), format, args);
 164         va_end(args);
 165         strretchomp(buf);
 166
 167         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 168 }
 169
 170 /*!
 171  *\brief        display an error with a View Log button
 172  *
 173  */
 174 void alertpanel_error_log(const gchar *format, ...)
 175 {
 176         va_list args;
 177         int val;
 178         MainWindow *mainwin;
 179         gchar buf[256];
 180
 181         va_start(args, format);
 182         g_vsnprintf(buf, sizeof(buf), format, args);
 183         va_end(args);
 184         strretchomp(buf);
 185
 186         mainwin = mainwindow_get_mainwindow();
 187
 188         if (mainwin && mainwin->logwin) {
 189                 val = alertpanel_full(_("Error"), buf, GTK_STOCK_CLOSE,
 190                                       _("_View log"), NULL, FALSE, NULL,
 191                                       ALERT_ERROR, G_ALERTDEFAULT);
 192                 if (val == G_ALERTALTERNATE)
 193                         log_window_show(mainwin->logwin);
 194         } else
 195                 alertpanel_error(buf);
 196 }
 197
 198 static void alertpanel_show(void)
 199 {
 200         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 201         manage_window_set_transient(GTK_WINDOW(dialog));
 202         value = G_ALERTWAIT;
 203
 204         if (gdk_pointer_is_grabbed())
 205                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 206         inc_lock();
 207         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 208                 gtk_main_iteration();
 209
 210         gtk_widget_destroy(dialog);
 211         GTK_EVENTS_FLUSH();
 212
 213         alertpanel_is_open = FALSE;
 214         inc_unlock();
 215 }
 216
 217 static void alertpanel_create(const gchar *title,
 218                               const gchar *message,
 219                               const gchar *button1_label,
 220                               const gchar *button2_label,
 221                               const gchar *button3_label,
 222                               gboolean     can_disable,
 223                               GtkWidget   *custom_widget,
 224                               gint         alert_type,
 225                               AlertValue   default_value)
 226 {
 227         static PangoFontDescription *font_desc;
 228         GtkWidget *image;
 229         GtkWidget *label;
 230         GtkWidget *hbox;
 231         GtkWidget *vbox;
 232         GtkWidget *disable_chkbtn;
 233         GtkWidget *confirm_area;
 234         GtkWidget *button1;
 235         GtkWidget *button2;
 236         GtkWidget *button3;
 237         const gchar *label2;
 238         const gchar *label3;
 239
 240         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 241                                 "size=\"larger\">%s</span>",
 242                                 title?title:"");
 243
 244         debug_print("Creating alert panel dialog...\n");
 245
 246         dialog = gtk_dialog_new();
 247         gtk_window_set_title(GTK_WINDOW(dialog), title);
 248         gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
 249
 250         gtk_window_set_default_size(GTK_WINDOW(dialog), 300, 100);
 251         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 252
 253         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 254         g_signal_connect(G_OBJECT(dialog), "delete_event",
 255                          G_CALLBACK(alertpanel_deleted),
 256                          (gpointer)G_ALERTCANCEL);
 257         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 258                          G_CALLBACK(alertpanel_close),
 259                          (gpointer)G_ALERTCANCEL);
 260
 261         /* for title icon, label and message */
 262         hbox = gtk_hbox_new(FALSE, 12);
 263         gtk_container_set_border_width(GTK_CONTAINER(hbox), 12);
 264         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 265                            hbox, FALSE, FALSE, 0);
 266
 267         /* title icon */
 268         switch (alert_type) {
 269         case ALERT_QUESTION:
 270                 image = gtk_image_new_from_stock
 271                         (GTK_STOCK_DIALOG_QUESTION, GTK_ICON_SIZE_DIALOG);
 272                 break;
 273         case ALERT_WARNING:
 274                 image = gtk_image_new_from_stock
 275                         (GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_DIALOG);
 276                 break;
 277         case ALERT_ERROR:
 278                 image = gtk_image_new_from_stock
 279                         (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
 280                 break;
 281         case ALERT_NOTICE:
 282         default:
 283                 image = gtk_image_new_from_stock
 284                         (GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG);
 285                 break;
 286         }
 287         gtk_misc_set_alignment(GTK_MISC(image), 0.5, 0.0);
 288         gtk_box_pack_start(GTK_BOX(hbox), image, 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_label_set_line_wrap(GTK_LABEL(label), TRUE);
 300         if (!font_desc) {
 301                 gint size;
 302
 303                 size = pango_font_description_get_size
 304                         (label->style->font_desc);
 305                 font_desc = pango_font_description_new();
 306                 pango_font_description_set_weight
 307                         (font_desc, PANGO_WEIGHT_BOLD);
 308                 pango_font_description_set_size
 309                         (font_desc, size * PANGO_SCALE_LARGE);
 310         }
 311         if (font_desc)
 312                 gtk_widget_modify_font(label, font_desc);
 313         g_free(title_full);
 314
 315         label = gtk_label_new(message);
 316         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 317         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 318         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 319         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 320         gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 321         GTK_WIDGET_UNSET_FLAGS(label, GTK_CAN_FOCUS);
 322         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 323         gtk_widget_show(label);
 324
 325         /* Claws: custom widget */
 326         if (custom_widget) {
 327                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 328                                    FALSE, 0);
 329         }
 330
 331         if (can_disable) {
 332                 hbox = gtk_hbox_new(FALSE, 0);
 333                 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox,
 334                                    FALSE, FALSE, 0);
 335
 336                 disable_chkbtn = gtk_check_button_new_with_label
 337                         (_("Show this message next time"));
 338                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 339                                              TRUE);
 340                 gtk_box_pack_start(GTK_BOX(hbox), disable_chkbtn,
 341                                    FALSE, FALSE, 12);
 342                 g_signal_connect(G_OBJECT(disable_chkbtn), "toggled",
 343                                  G_CALLBACK(alertpanel_button_toggled),
 344                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 345         }
 346
 347         /* for button(s) */
 348         if (!button1_label)
 349                 button1_label = GTK_STOCK_OK;
 350         label2 = button2_label;
 351         label3 = button3_label;
 352         if (label2 && *label2 == '+') label2++;
 353         if (label3 && *label3 == '+') label3++;
 354
 355         gtkut_stock_button_set_create(&confirm_area,
 356                                       &button1, button1_label,
 357                                       button2_label ? &button2 : NULL, label2,
 358                                       button3_label ? &button3 : NULL, label3);
 359
 360         gtk_widget_set_size_request(confirm_area, 375, -1);
 361
 362         gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dialog)->action_area),
 363                          confirm_area, FALSE, FALSE, 0);
 364         gtk_container_set_border_width(GTK_CONTAINER(confirm_area), 5);
 365         gtk_widget_grab_default(button1);
 366         gtk_widget_grab_focus(button1);
 367         if (button2_label &&
 368             (default_value == G_ALERTALTERNATE || *button2_label == '+')) {
 369                 gtk_widget_grab_default(button2);
 370                 gtk_widget_grab_focus(button2);
 371         }
 372         if (button3_label &&
 373             (default_value == G_ALERTOTHER || *button3_label == '+')) {
 374                 gtk_widget_grab_default(button3);
 375                 gtk_widget_grab_focus(button3);
 376         }
 377
 378         g_signal_connect(G_OBJECT(button1), "clicked",
 379                          G_CALLBACK(alertpanel_button_clicked),
 380                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 381         if (button2_label)
 382                 g_signal_connect(G_OBJECT(button2), "clicked",
 383                                  G_CALLBACK(alertpanel_button_clicked),
 384                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 385         if (button3_label)
 386                 g_signal_connect(G_OBJECT(button3), "clicked",
 387                                  G_CALLBACK(alertpanel_button_clicked),
 388                                  GUINT_TO_POINTER(G_ALERTOTHER));
 389
 390         gtk_widget_show_all(dialog);
 391 }
 392
 393 static void alertpanel_button_toggled(GtkToggleButton *button,
 394                                       gpointer data)
 395 {
 396         if (gtk_toggle_button_get_active(button))
 397                 value &= ~GPOINTER_TO_UINT(data);
 398         else
 399                 value |= GPOINTER_TO_UINT(data);
 400 }
 401
 402 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 403 {
 404         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 405 }
 406
 407 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 408                                gpointer data)
 409 {
 410         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 411         return TRUE;
 412 }
 413
 414 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 415                                  gpointer data)
 416 {
 417         if (event->type == GDK_KEY_PRESS)
 418                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 419                         return FALSE;
 420
 421         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 422         return FALSE;
 423 }