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
  59 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  60                                          gpointer                data);
  61 static void alertpanel_button_clicked   (GtkWidget              *widget,
  62                                          gpointer                data);
  63 static gint alertpanel_deleted          (GtkWidget              *widget,
  64                                          GdkEventAny            *event,
  65                                          gpointer                data);
  66 static gboolean alertpanel_close        (GtkWidget              *widget,
  67                                          GdkEventAny            *event,
  68                                          gpointer                data);
  69
  70 AlertValue alertpanel(const gchar *title,
  71                       const gchar *message,
  72                       const gchar *button1_label,
  73                       const gchar *button2_label,
  74                       const gchar *button3_label)
  75 {
  76         return alertpanel_with_type(title, message, button1_label,
  77                                     button2_label, button3_label,
  78                                     NULL, ALERT_QUESTION);
  79 }
  80
  81 AlertValue alertpanel_with_widget(const gchar *title,
  82                                   const gchar *message,
  83                                   const gchar *button1_label,
  84                                   const gchar *button2_label,
  85                                   const gchar *button3_label,
  86                                   GtkWidget *widget)
  87 {
  88         return alertpanel_with_type(title, message, button1_label,
  89                                     button2_label, button3_label,
  90                                     widget, ALERT_QUESTION);
  91 }
  92
  93 AlertValue alertpanel_with_type(const gchar *title,
  94                                 const gchar *message,
  95                                 const gchar *button1_label,
  96                                 const gchar *button2_label,
  97                                 const gchar *button3_label,
  98                                 GtkWidget   *widget,
  99                                 gint         alert_type)
 100 {
 101         if (alertpanel_is_open)
 102                 return -1;
 103         else
 104                 alertpanel_is_open = TRUE;
 105
 106         alertpanel_create(title, message, button1_label, button2_label,
 107                           button3_label, FALSE, widget, alert_type);
 108         alertpanel_show();
 109
 110         debug_print("return value = %d\n", value);
 111         return value;
 112 }
 113
 114 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 115 {
 116         if (alertpanel_is_open)
 117                 return;
 118         else
 119                 alertpanel_is_open = TRUE;
 120
 121         alertpanel_create(title, message, NULL, NULL, NULL, FALSE, NULL, type);
 122         alertpanel_show();
 123 }
 124
 125 AlertValue alertpanel_message_with_disable(const gchar *title,
 126                                            const gchar *message,
 127                                            const gchar  *button1_label,
 128                                            const gchar  *button2_label,
 129                                            const gchar  *button3_label,
 130                                            gint alert_type)
 131 {
 132         if (alertpanel_is_open)
 133                 return 0;
 134         else
 135                 alertpanel_is_open = TRUE;
 136
 137         alertpanel_create(title, message, button1_label, button2_label,
 138                           button3_label, TRUE, NULL, alert_type);
 139         alertpanel_show();
 140
 141         return value;
 142 }
 143
 144 void alertpanel_notice(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(_("Notice"), buf, ALERT_NOTICE);
 155 }
 156
 157 void alertpanel_warning(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(_("Warning"), buf, ALERT_WARNING);
 168 }
 169
 170 void alertpanel_error(const gchar *format, ...)
 171 {
 172         va_list args;
 173         gchar buf[256];
 174
 175         va_start(args, format);
 176         g_vsnprintf(buf, sizeof(buf), format, args);
 177         va_end(args);
 178         strretchomp(buf);
 179
 180         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 181 }
 182
 183 /*!
 184  *\brief        display an error with a View Log button
 185  *
 186  */
 187 void alertpanel_error_log(const gchar *format, ...)
 188 {
 189         va_list args;
 190         int val;
 191         MainWindow *mainwin;
 192         gchar buf[256];
 193
 194         va_start(args, format);
 195         g_vsnprintf(buf, sizeof(buf), format, args);
 196         va_end(args);
 197         strretchomp(buf);
 198
 199         mainwin = mainwindow_get_mainwindow();
 200
 201         if (mainwin && mainwin->logwin) {
 202                 val = alertpanel_with_type(_("Error"), buf, _("OK"), _("View log"), NULL, NULL, ALERT_ERROR);
 203                 if (val == G_ALERTALTERNATE)
 204                         log_window_show(mainwin->logwin);
 205         } else
 206                 alertpanel_error(buf);
 207 }
 208
 209 static void alertpanel_show(void)
 210 {
 211         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 212         manage_window_set_transient(GTK_WINDOW(dialog));
 213         value = G_ALERTWAIT;
 214
 215         if (gdk_pointer_is_grabbed())
 216                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 217         inc_lock();
 218         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 219                 gtk_main_iteration();
 220
 221         gtk_widget_destroy(dialog);
 222         GTK_EVENTS_FLUSH();
 223
 224         alertpanel_is_open = FALSE;
 225         inc_unlock();
 226 }
 227
 228 static void alertpanel_create(const gchar *title,
 229                               const gchar *message,
 230                               const gchar *button1_label,
 231                               const gchar *button2_label,
 232                               const gchar *button3_label,
 233                               gboolean     can_disable,
 234                               GtkWidget   *custom_widget,
 235                               gint         alert_type)
 236 {
 237         static PangoFontDescription *font_desc;
 238         GtkWidget *label;
 239         GtkWidget *w_hbox;
 240         GtkWidget *hbox;
 241         GtkWidget *vbox;
 242         GtkWidget *disable_chkbtn;
 243         GtkWidget *confirm_area;
 244         GtkWidget *button1;
 245         GtkWidget *button2;
 246         GtkWidget *button3;
 247         GtkWidget *icon;
 248         const gchar *label2;
 249         const gchar *label3;
 250
 251         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 252                                 "size=\"larger\">%s</span>",
 253                                 title?title:"");
 254
 255         gchar *icon_desc[] = {  GTK_STOCK_DIALOG_INFO,
 256                                 GTK_STOCK_DIALOG_QUESTION,
 257                                 GTK_STOCK_DIALOG_WARNING,
 258                                 GTK_STOCK_DIALOG_ERROR };
 259
 260         debug_print("Creating alert panel dialog...\n");
 261
 262         dialog = gtk_dialog_new();
 263         gtk_window_set_title(GTK_WINDOW(dialog), title);
 264         gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
 265
 266         gtk_window_set_default_size(GTK_WINDOW(dialog), 300, 100);
 267         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 268
 269         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 270         g_signal_connect(G_OBJECT(dialog), "delete_event",
 271                          G_CALLBACK(alertpanel_deleted),
 272                          (gpointer)G_ALERTOTHER);
 273         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 274                          G_CALLBACK(alertpanel_close),
 275                          (gpointer)G_ALERTOTHER);
 276
 277         gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 14);
 278         hbox = gtk_hbox_new (FALSE, 12);
 279         gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
 280         gtk_widget_show (hbox);
 281         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox,
 282                             FALSE, FALSE, 0);
 283
 284         /* for title label */
 285         w_hbox = gtk_hbox_new(FALSE, 0);
 286
 287         if (alert_type < 0 || alert_type > 3)
 288                 alert_type = 0;
 289
 290         icon = gtk_image_new_from_stock(icon_desc[alert_type],
 291                                         GTK_ICON_SIZE_DIALOG);
 292         gtk_misc_set_alignment (GTK_MISC (icon), 0.5, 0.0);
 293         gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
 294
 295         vbox = gtk_vbox_new (FALSE, 12);
 296         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 297         gtk_widget_show (vbox);
 298
 299         label = gtk_label_new(title_full);
 300         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 301         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 302         gtk_label_set_use_markup(GTK_LABEL (label), TRUE);
 303         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 304         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 305         if (!font_desc) {
 306                 gint size;
 307
 308                 size = pango_font_description_get_size
 309                         (label->style->font_desc);
 310                 font_desc = pango_font_description_new();
 311                 pango_font_description_set_weight
 312                         (font_desc, PANGO_WEIGHT_BOLD);
 313                 pango_font_description_set_size
 314                         (font_desc, size * PANGO_SCALE_LARGE);
 315         }
 316         if (font_desc)
 317                 gtk_widget_modify_font(label, font_desc);
 318         g_free(title_full);
 319
 320         label = gtk_label_new(message);
 321         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 322         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 323         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 324         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 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_chkbtn = gtk_check_button_new_with_label
 340                         (_("Show this message next time"));
 341                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 342                                              TRUE);
 343                 gtk_box_pack_start(GTK_BOX(hbox), disable_chkbtn,
 344                                    FALSE, FALSE, 12);
 345                 g_signal_connect(G_OBJECT(disable_chkbtn), "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 && *button2_label == '+') {
 369                 gtk_widget_grab_default(button2);
 370                 gtk_widget_grab_focus(button2);
 371         }
 372         if (button3_label && *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 }