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                                   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[512];
 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                 mainwindow_clear_error(mainwin);
 190                 val = alertpanel_full(_("Error"), buf, GTK_STOCK_CLOSE,
 191                                       _("_View log"), NULL, FALSE, NULL,
 192                                       ALERT_ERROR, G_ALERTDEFAULT);
 193                 if (val == G_ALERTALTERNATE)
 194                         log_window_show(mainwin->logwin);
 195         } else
 196                 alertpanel_error(buf);
 197 }
 198
 199 static void alertpanel_show(void)
 200 {
 201         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 202         manage_window_set_transient(GTK_WINDOW(dialog));
 203         value = G_ALERTWAIT;
 204
 205         if (gdk_pointer_is_grabbed())
 206                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 207         inc_lock();
 208         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 209                 gtk_main_iteration();
 210
 211         gtk_widget_destroy(dialog);
 212         GTK_EVENTS_FLUSH();
 213
 214         alertpanel_is_open = FALSE;
 215         inc_unlock();
 216 }
 217
 218 static void alertpanel_create(const gchar *title,
 219                               const gchar *message,
 220                               const gchar *button1_label,
 221                               const gchar *button2_label,
 222                               const gchar *button3_label,
 223                               gboolean     can_disable,
 224                               GtkWidget   *custom_widget,
 225                               gint         alert_type,
 226                               AlertValue   default_value)
 227 {
 228         static PangoFontDescription *font_desc;
 229         GtkWidget *image;
 230         GtkWidget *label;
 231         GtkWidget *hbox;
 232         GtkWidget *vbox;
 233         GtkWidget *disable_checkbtn;
 234         GtkWidget *confirm_area;
 235         GtkWidget *button1;
 236         GtkWidget *button2;
 237         GtkWidget *button3;
 238         const gchar *label2;
 239         const gchar *label3;
 240
 241         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 242                                 "size=\"larger\">%s</span>",
 243                                 title?title:"");
 244
 245         debug_print("Creating alert panel dialog...\n");
 246
 247         dialog = gtk_dialog_new();
 248         gtk_window_set_title(GTK_WINDOW(dialog), title);
 249         gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
 250
 251         gtk_window_set_default_size(GTK_WINDOW(dialog), 375, 100);
 252         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 253
 254         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 255         g_signal_connect(G_OBJECT(dialog), "delete_event",
 256                          G_CALLBACK(alertpanel_deleted),
 257                          (gpointer)G_ALERTCANCEL);
 258         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 259                          G_CALLBACK(alertpanel_close),
 260                          (gpointer)G_ALERTCANCEL);
 261
 262         /* for title icon, label and message */
 263         hbox = gtk_hbox_new(FALSE, 12);
 264         gtk_container_set_border_width(GTK_CONTAINER(hbox), 12);
 265         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 266                            hbox, FALSE, FALSE, 0);
 267
 268         /* title icon */
 269         switch (alert_type) {
 270         case ALERT_QUESTION:
 271                 image = gtk_image_new_from_stock
 272                         (GTK_STOCK_DIALOG_QUESTION, GTK_ICON_SIZE_DIALOG);
 273                 break;
 274         case ALERT_WARNING:
 275                 image = gtk_image_new_from_stock
 276                         (GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_DIALOG);
 277                 break;
 278         case ALERT_ERROR:
 279                 image = gtk_image_new_from_stock
 280                         (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
 281                 break;
 282         case ALERT_NOTICE:
 283         default:
 284                 image = gtk_image_new_from_stock
 285                         (GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG);
 286                 break;
 287         }
 288         gtk_misc_set_alignment(GTK_MISC(image), 0.5, 0.0);
 289         gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 290
 291         vbox = gtk_vbox_new (FALSE, 12);
 292         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 293         gtk_widget_show (vbox);
 294
 295         label = gtk_label_new(title_full);
 296         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 297         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 298         gtk_label_set_use_markup(GTK_LABEL (label), TRUE);
 299         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 300         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 301         if (!font_desc) {
 302                 gint size;
 303
 304                 size = pango_font_description_get_size
 305                         (label->style->font_desc);
 306                 font_desc = pango_font_description_new();
 307                 pango_font_description_set_weight
 308                         (font_desc, PANGO_WEIGHT_BOLD);
 309                 pango_font_description_set_size
 310                         (font_desc, size * PANGO_SCALE_LARGE);
 311         }
 312         if (font_desc)
 313                 gtk_widget_modify_font(label, font_desc);
 314         g_free(title_full);
 315
 316         label = gtk_label_new(message);
 317         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 318         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 319         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 320         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 321         gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 322         GTK_WIDGET_UNSET_FLAGS(label, GTK_CAN_FOCUS);
 323         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 324         gtk_widget_show(label);
 325
 326         /* Claws: custom widget */
 327         if (custom_widget) {
 328                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 329                                    FALSE, 0);
 330         }
 331
 332         if (can_disable) {
 333                 hbox = gtk_hbox_new(FALSE, 0);
 334                 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox,
 335                                    FALSE, FALSE, 0);
 336
 337                 disable_checkbtn = gtk_check_button_new_with_label
 338                         (_("Show this message next time"));
 339                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_checkbtn),
 340                                              TRUE);
 341                 gtk_box_pack_start(GTK_BOX(hbox), disable_checkbtn,
 342                                    FALSE, FALSE, 12);
 343                 g_signal_connect(G_OBJECT(disable_checkbtn), "toggled",
 344                                  G_CALLBACK(alertpanel_button_toggled),
 345                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 346         }
 347
 348         /* for button(s) */
 349         if (!button1_label)
 350                 button1_label = GTK_STOCK_OK;
 351         label2 = button2_label;
 352         label3 = button3_label;
 353         if (label2 && *label2 == '+') label2++;
 354         if (label3 && *label3 == '+') label3++;
 355
 356         gtkut_stock_button_set_create(&confirm_area,
 357                                       &button1, button1_label,
 358                                       button2_label ? &button2 : NULL, label2,
 359                                       button3_label ? &button3 : NULL, label3);
 360
 361         gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dialog)->action_area),
 362                          confirm_area, FALSE, FALSE, 0);
 363         gtk_container_set_border_width(GTK_CONTAINER(confirm_area), 5);
 364         gtk_widget_grab_default(button1);
 365         gtk_widget_grab_focus(button1);
 366         if (button2_label &&
 367             (default_value == G_ALERTALTERNATE || *button2_label == '+')) {
 368                 gtk_widget_grab_default(button2);
 369                 gtk_widget_grab_focus(button2);
 370         }
 371         if (button3_label &&
 372             (default_value == G_ALERTOTHER || *button3_label == '+')) {
 373                 gtk_widget_grab_default(button3);
 374                 gtk_widget_grab_focus(button3);
 375         }
 376
 377         g_signal_connect(G_OBJECT(button1), "clicked",
 378                          G_CALLBACK(alertpanel_button_clicked),
 379                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 380         if (button2_label)
 381                 g_signal_connect(G_OBJECT(button2), "clicked",
 382                                  G_CALLBACK(alertpanel_button_clicked),
 383                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 384         if (button3_label)
 385                 g_signal_connect(G_OBJECT(button3), "clicked",
 386                                  G_CALLBACK(alertpanel_button_clicked),
 387                                  GUINT_TO_POINTER(G_ALERTOTHER));
 388
 389         gtk_widget_show_all(dialog);
 390 }
 391
 392 static void alertpanel_button_toggled(GtkToggleButton *button,
 393                                       gpointer data)
 394 {
 395         if (gtk_toggle_button_get_active(button))
 396                 value &= ~GPOINTER_TO_UINT(data);
 397         else
 398                 value |= GPOINTER_TO_UINT(data);
 399 }
 400
 401 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 402 {
 403         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 404 }
 405
 406 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 407                                gpointer data)
 408 {
 409         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 410         return TRUE;
 411 }
 412
 413 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 414                                  gpointer data)
 415 {
 416         if (event->type == GDK_KEY_PRESS)
 417                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 418                         return FALSE;
 419
 420         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 421         return FALSE;
 422 }