src/alertpanel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail 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                                   AlertValue   default_value,
  78                                   GtkWidget   *widget)
  79 {
  80         return alertpanel_full(title, message, button1_label,
  81                                     button2_label, button3_label,
  82                                     can_disable, widget, ALERT_QUESTION,
  83                                     default_value);
  84 }
  85
  86 AlertValue alertpanel_full(const gchar *title, const gchar *message,
  87                            const gchar *button1_label,
  88                            const gchar *button2_label,
  89                            const gchar *button3_label,
  90                            gboolean     can_disable,
  91                            GtkWidget   *widget,
  92                            AlertType    alert_type,
  93                            AlertValue   default_value)
  94 {
  95         if (alertpanel_is_open)
  96                 return -1;
  97         else
  98                 alertpanel_is_open = TRUE;
  99
 100         alertpanel_create(title, message, button1_label, button2_label,
 101                           button3_label, can_disable, widget, alert_type,
 102                           default_value);
 103         alertpanel_show();
 104
 105         debug_print("return value = %d\n", value);
 106         return value;
 107 }
 108
 109 AlertValue alertpanel(const gchar *title,
 110                       const gchar *message,
 111                       const gchar *button1_label,
 112                       const gchar *button2_label,
 113                       const gchar *button3_label)
 114 {
 115         return alertpanel_full(title, message, button1_label, button2_label,
 116                                button3_label, FALSE, NULL, ALERT_QUESTION,
 117                                G_ALERTDEFAULT);
 118 }
 119
 120 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 121 {
 122         if (alertpanel_is_open)
 123                 return;
 124         else
 125                 alertpanel_is_open = TRUE;
 126
 127         alertpanel_create(title, message, GTK_STOCK_CLOSE, NULL, NULL,
 128                           FALSE, NULL, type, G_ALERTDEFAULT);
 129         alertpanel_show();
 130 }
 131
 132 void alertpanel_notice(const gchar *format, ...)
 133 {
 134         va_list args;
 135         gchar buf[256];
 136
 137         va_start(args, format);
 138         g_vsnprintf(buf, sizeof(buf), format, args);
 139         va_end(args);
 140         strretchomp(buf);
 141
 142         alertpanel_message(_("Notice"), buf, ALERT_NOTICE);
 143 }
 144
 145 void alertpanel_warning(const gchar *format, ...)
 146 {
 147         va_list args;
 148         gchar buf[256];
 149
 150         va_start(args, format);
 151         g_vsnprintf(buf, sizeof(buf), format, args);
 152         va_end(args);
 153         strretchomp(buf);
 154
 155         alertpanel_message(_("Warning"), buf, ALERT_WARNING);
 156 }
 157
 158 void alertpanel_error(const gchar *format, ...)
 159 {
 160         va_list args;
 161         gchar buf[512];
 162
 163         va_start(args, format);
 164         g_vsnprintf(buf, sizeof(buf), format, args);
 165         va_end(args);
 166         strretchomp(buf);
 167
 168         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 169 }
 170
 171 /*!
 172  *\brief        display an error with a View Log button
 173  *
 174  */
 175 void alertpanel_error_log(const gchar *format, ...)
 176 {
 177         va_list args;
 178         int val;
 179         MainWindow *mainwin;
 180         gchar buf[256];
 181
 182         va_start(args, format);
 183         g_vsnprintf(buf, sizeof(buf), format, args);
 184         va_end(args);
 185         strretchomp(buf);
 186
 187         mainwin = mainwindow_get_mainwindow();
 188
 189         if (mainwin && mainwin->logwin) {
 190                 mainwindow_clear_error(mainwin);
 191                 val = alertpanel_full(_("Error"), buf, GTK_STOCK_CLOSE,
 192                                       _("_View log"), NULL, FALSE, NULL,
 193                                       ALERT_ERROR, G_ALERTDEFAULT);
 194                 if (val == G_ALERTALTERNATE)
 195                         log_window_show(mainwin->logwin);
 196         } else
 197                 alertpanel_error(buf);
 198 }
 199
 200 static void alertpanel_show(void)
 201 {
 202         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 203         manage_window_set_transient(GTK_WINDOW(dialog));
 204         value = G_ALERTWAIT;
 205
 206         if (gdk_pointer_is_grabbed())
 207                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 208         inc_lock();
 209         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 210                 gtk_main_iteration();
 211
 212         gtk_widget_destroy(dialog);
 213         GTK_EVENTS_FLUSH();
 214
 215         alertpanel_is_open = FALSE;
 216         inc_unlock();
 217 }
 218
 219 static void alertpanel_create(const gchar *title,
 220                               const gchar *message,
 221                               const gchar *button1_label,
 222                               const gchar *button2_label,
 223                               const gchar *button3_label,
 224                               gboolean     can_disable,
 225                               GtkWidget   *custom_widget,
 226                               gint         alert_type,
 227                               AlertValue   default_value)
 228 {
 229         static PangoFontDescription *font_desc;
 230         GtkWidget *image;
 231         GtkWidget *label;
 232         GtkWidget *hbox;
 233         GtkWidget *vbox;
 234         GtkWidget *disable_checkbtn;
 235         GtkWidget *confirm_area;
 236         GtkWidget *button1;
 237         GtkWidget *button2;
 238         GtkWidget *button3;
 239         const gchar *label2;
 240         const gchar *label3;
 241         gchar *tmp = title?g_markup_printf_escaped("%s", title)
 242                         :g_strdup("");
 243         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 244                                 "size=\"larger\">%s</span>",
 245                                 tmp);
 246         g_free(tmp);
 247         debug_print("Creating alert panel dialog...\n");
 248
 249         dialog = gtk_dialog_new();
 250         gtk_window_set_title(GTK_WINDOW(dialog), title);
 251         gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
 252
 253         gtk_window_set_default_size(GTK_WINDOW(dialog), 375, 100);
 254         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 255
 256         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 257         g_signal_connect(G_OBJECT(dialog), "delete_event",
 258                          G_CALLBACK(alertpanel_deleted),
 259                          (gpointer)G_ALERTCANCEL);
 260         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 261                          G_CALLBACK(alertpanel_close),
 262                          (gpointer)G_ALERTCANCEL);
 263
 264         /* for title icon, label and message */
 265         hbox = gtk_hbox_new(FALSE, 12);
 266         gtk_container_set_border_width(GTK_CONTAINER(hbox), 12);
 267         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 268                            hbox, FALSE, FALSE, 0);
 269
 270         /* title icon */
 271         switch (alert_type) {
 272         case ALERT_QUESTION:
 273                 image = gtk_image_new_from_stock
 274                         (GTK_STOCK_DIALOG_QUESTION, GTK_ICON_SIZE_DIALOG);
 275                 break;
 276         case ALERT_WARNING:
 277                 image = gtk_image_new_from_stock
 278                         (GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_DIALOG);
 279                 break;
 280         case ALERT_ERROR:
 281                 image = gtk_image_new_from_stock
 282                         (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
 283                 break;
 284         case ALERT_NOTICE:
 285         default:
 286                 image = gtk_image_new_from_stock
 287                         (GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG);
 288                 break;
 289         }
 290         gtk_misc_set_alignment(GTK_MISC(image), 0.5, 0.0);
 291         gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 292
 293         vbox = gtk_vbox_new (FALSE, 12);
 294         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 295         gtk_widget_show (vbox);
 296
 297         label = gtk_label_new(title_full);
 298         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 299         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 300         gtk_label_set_use_markup(GTK_LABEL (label), TRUE);
 301         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 302         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 303         if (!font_desc) {
 304                 gint size;
 305
 306                 size = pango_font_description_get_size
 307                         (label->style->font_desc);
 308                 font_desc = pango_font_description_new();
 309                 pango_font_description_set_weight
 310                         (font_desc, PANGO_WEIGHT_BOLD);
 311                 pango_font_description_set_size
 312                         (font_desc, size * PANGO_SCALE_LARGE);
 313         }
 314         if (font_desc)
 315                 gtk_widget_modify_font(label, font_desc);
 316         g_free(title_full);
 317
 318         label = gtk_label_new(message);
 319         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 320         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 321         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 322         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 323         gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 324         GTK_WIDGET_UNSET_FLAGS(label, GTK_CAN_FOCUS);
 325         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 326         gtk_widget_show(label);
 327
 328         /* Claws: custom widget */
 329         if (custom_widget) {
 330                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 331                                    FALSE, 0);
 332         }
 333
 334         if (can_disable) {
 335                 hbox = gtk_hbox_new(FALSE, 0);
 336                 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox,
 337                                    FALSE, FALSE, 0);
 338
 339                 disable_checkbtn = gtk_check_button_new_with_label
 340                         (_("Show this message next time"));
 341                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_checkbtn),
 342                                              TRUE);
 343                 gtk_box_pack_start(GTK_BOX(hbox), disable_checkbtn,
 344                                    FALSE, FALSE, 12);
 345                 g_signal_connect(G_OBJECT(disable_checkbtn), "toggled",
 346                                  G_CALLBACK(alertpanel_button_toggled),
 347                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 348         }
 349
 350         /* for button(s) */
 351         if (!button1_label)
 352                 button1_label = GTK_STOCK_OK;
 353         label2 = button2_label;
 354         label3 = button3_label;
 355         if (label2 && *label2 == '+') label2++;
 356         if (label3 && *label3 == '+') label3++;
 357
 358         gtkut_stock_button_set_create(&confirm_area,
 359                                       &button1, button1_label,
 360                                       button2_label ? &button2 : NULL, label2,
 361                                       button3_label ? &button3 : NULL, label3);
 362
 363         gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dialog)->action_area),
 364                          confirm_area, FALSE, FALSE, 0);
 365         gtk_container_set_border_width(GTK_CONTAINER(confirm_area), 5);
 366         gtk_widget_grab_default(button1);
 367         gtk_widget_grab_focus(button1);
 368         if (button2_label &&
 369             (default_value == G_ALERTALTERNATE || *button2_label == '+')) {
 370                 gtk_widget_grab_default(button2);
 371                 gtk_widget_grab_focus(button2);
 372         }
 373         if (button3_label &&
 374             (default_value == G_ALERTOTHER || *button3_label == '+')) {
 375                 gtk_widget_grab_default(button3);
 376                 gtk_widget_grab_focus(button3);
 377         }
 378
 379         g_signal_connect(G_OBJECT(button1), "clicked",
 380                          G_CALLBACK(alertpanel_button_clicked),
 381                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 382         if (button2_label)
 383                 g_signal_connect(G_OBJECT(button2), "clicked",
 384                                  G_CALLBACK(alertpanel_button_clicked),
 385                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 386         if (button3_label)
 387                 g_signal_connect(G_OBJECT(button3), "clicked",
 388                                  G_CALLBACK(alertpanel_button_clicked),
 389                                  GUINT_TO_POINTER(G_ALERTOTHER));
 390
 391         gtk_widget_show_all(dialog);
 392 }
 393
 394 static void alertpanel_button_toggled(GtkToggleButton *button,
 395                                       gpointer data)
 396 {
 397         if (gtk_toggle_button_get_active(button))
 398                 value &= ~GPOINTER_TO_UINT(data);
 399         else
 400                 value |= GPOINTER_TO_UINT(data);
 401 }
 402
 403 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 404 {
 405         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 406 }
 407
 408 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 409                                gpointer data)
 410 {
 411         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 412         return TRUE;
 413 }
 414
 415 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 416                                  gpointer data)
 417 {
 418         if (event->type == GDK_KEY_PRESS)
 419                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 420                         return FALSE;
 421
 422         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 423         return FALSE;
 424 }