src/alertpanel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 #include <gtk/gtk.h>
  26 #include <gdk/gdkkeysyms.h>
  27
  28 #include "intl.h"
  29 #include "mainwindow.h"
  30 #include "alertpanel.h"
  31 #include "manage_window.h"
  32 #include "utils.h"
  33 #include "gtkutils.h"
  34 #include "inc.h"
  35 #include "logwindow.h"
  36 #include "prefs_common.h"
  37
  38 #define ALERT_PANEL_WIDTH       380
  39 #define TITLE_HEIGHT            72
  40 #define MESSAGE_HEIGHT          62
  41
  42 #define DEFAULT_TITLE_FONT      "Sans Bold 12"
  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         if (alertpanel_is_open)
  77                 return -1;
  78         else
  79                 alertpanel_is_open = TRUE;
  80
  81         alertpanel_create(title, message, button1_label, button2_label,
  82                           button3_label, FALSE, NULL, ALERT_QUESTION);
  83         alertpanel_show();
  84
  85         debug_print("return value = %d\n", value);
  86         return value;
  87 }
  88
  89 AlertValue alertpanel_with_widget(const gchar *title,
  90                                   const gchar *message,
  91                                   const gchar *button1_label,
  92                                   const gchar *button2_label,
  93                                   const gchar *button3_label,
  94                                   GtkWidget *widget)
  95 {
  96         if (alertpanel_is_open)
  97                 return -1;
  98         else
  99                 alertpanel_is_open = TRUE;
 100         alertpanel_create(title, message, button1_label, button2_label,
 101                           button3_label, FALSE, widget, ALERT_QUESTION);
 102         alertpanel_show();
 103
 104         debug_print("return value = %d\n", value);
 105         return value;
 106 }
 107
 108 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 109 {
 110         if (alertpanel_is_open)
 111                 return;
 112         else
 113                 alertpanel_is_open = TRUE;
 114
 115         alertpanel_create(title, message, NULL, NULL, NULL, FALSE, NULL, type);
 116         alertpanel_show();
 117 }
 118
 119 AlertValue alertpanel_message_with_disable(const gchar *title,
 120                                            const gchar *message,
 121                                            gint alert_type)
 122 {
 123         if (alertpanel_is_open)
 124                 return 0;
 125         else
 126                 alertpanel_is_open = TRUE;
 127
 128         alertpanel_create(title, message, NULL, NULL, NULL, TRUE, NULL,
 129                           alert_type);
 130         alertpanel_show();
 131
 132         return value;
 133 }
 134
 135 void alertpanel_notice(const gchar *format, ...)
 136 {
 137         va_list args;
 138         gchar buf[256];
 139
 140         va_start(args, format);
 141         g_vsnprintf(buf, sizeof(buf), format, args);
 142         va_end(args);
 143         strretchomp(buf);
 144
 145         alertpanel_message(_("Notice"), buf, ALERT_NOTICE);
 146 }
 147
 148 void alertpanel_warning(const gchar *format, ...)
 149 {
 150         va_list args;
 151         gchar buf[256];
 152
 153         va_start(args, format);
 154         g_vsnprintf(buf, sizeof(buf), format, args);
 155         va_end(args);
 156         strretchomp(buf);
 157
 158         alertpanel_message(_("Warning"), buf, ALERT_WARNING);
 159 }
 160
 161 void alertpanel_error(const gchar *format, ...)
 162 {
 163         va_list args;
 164         gchar buf[256];
 165
 166         va_start(args, format);
 167         g_vsnprintf(buf, sizeof(buf), format, args);
 168         va_end(args);
 169         strretchomp(buf);
 170
 171         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 172 }
 173
 174 /*!
 175  *\brief        display an error with a View Log button
 176  *
 177  */
 178 void alertpanel_error_log(const gchar *format, ...)
 179 {
 180         va_list args;
 181         int val;
 182         MainWindow *mainwin;
 183         gchar buf[256];
 184
 185         va_start(args, format);
 186         g_vsnprintf(buf, sizeof(buf), format, args);
 187         va_end(args);
 188         strretchomp(buf);
 189
 190         mainwin = mainwindow_get_mainwindow();
 191
 192         if (mainwin && mainwin->logwin) {
 193                 val = alertpanel(_("Error"), buf, _("OK"), _("View log"), NULL);
 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 {
 228         static PangoFontDescription *font_desc;
 229         GtkWidget *label;
 230         GtkWidget *w_hbox;
 231         GtkWidget *hbox;
 232         GtkWidget *vbox;
 233         GtkWidget *spc_vbox;
 234         GtkWidget *msg_vbox;
 235         GtkWidget *disable_chkbtn;
 236         GtkWidget *confirm_area;
 237         GtkWidget *button1;
 238         GtkWidget *button2;
 239         GtkWidget *button3;
 240         GtkWidget *icon;
 241         const gchar *label2;
 242         const gchar *label3;
 243         gchar *icon_desc[] = {  GTK_STOCK_DIALOG_INFO,
 244                                 GTK_STOCK_DIALOG_QUESTION,
 245                                 GTK_STOCK_DIALOG_WARNING,
 246                                 GTK_STOCK_DIALOG_ERROR };
 247
 248         debug_print("Creating alert panel dialog...\n");
 249
 250         dialog = gtk_dialog_new();
 251         gtk_window_set_title(GTK_WINDOW(dialog), title);
 252         gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
 253         gtk_container_set_border_width
 254                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 255         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 256         g_signal_connect(G_OBJECT(dialog), "delete_event",
 257                          G_CALLBACK(alertpanel_deleted),
 258                          (gpointer)G_ALERTOTHER);
 259         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 260                          G_CALLBACK(alertpanel_close),
 261                          (gpointer)G_ALERTOTHER);
 262         gtk_widget_realize(dialog);
 263
 264         /* for title label */
 265         w_hbox = gtk_hbox_new(FALSE, 0);
 266
 267         if (alert_type < 0 || alert_type > 3)
 268                 alert_type = 0;
 269         icon = gtk_image_new_from_stock(icon_desc[alert_type],
 270                                         GTK_ICON_SIZE_DIALOG);
 271         gtk_box_pack_start(GTK_BOX(w_hbox), icon, FALSE, FALSE, 16);
 272         hbox = gtk_hbox_new(FALSE, 0);
 273         gtk_box_pack_start(GTK_BOX(w_hbox), hbox, FALSE, FALSE, 2);
 274         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 275                            w_hbox, TRUE, TRUE, 16);
 276
 277
 278         label = gtk_label_new(title);
 279         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 280         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 281         if (!font_desc) {
 282                 gchar *fontstr = prefs_common.titlefont
 283                                         ? prefs_common.titlefont
 284                                         : DEFAULT_TITLE_FONT;
 285                 font_desc = pango_font_description_from_string (fontstr);
 286         }
 287         if (font_desc) {
 288                 gtk_widget_modify_font (label, font_desc);
 289         }
 290         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 16);
 291
 292         /* for message and button(s) */
 293         vbox = gtk_vbox_new(FALSE, 0);
 294         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 295                           vbox);
 296
 297         spc_vbox = gtk_vbox_new(FALSE, 0);
 298         gtk_box_pack_start(GTK_BOX(vbox), spc_vbox, FALSE, FALSE, 0);
 299         gtk_widget_set_size_request(spc_vbox, -1, 16);
 300
 301         msg_vbox = gtk_vbox_new(FALSE, 0);
 302         gtk_box_pack_start(GTK_BOX(vbox), msg_vbox, FALSE, FALSE, 0);
 303
 304         /* for message label */
 305         hbox = gtk_hbox_new(FALSE, 0);
 306         gtk_box_pack_start(GTK_BOX(msg_vbox), hbox, FALSE, FALSE, 0);
 307
 308         /* message label */
 309         label = gtk_label_new(message);
 310         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 24);
 311         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 312
 313         /* Claws: custom widget */
 314         if (custom_widget) {
 315                 GtkWidget *custom_hbox = gtk_hbox_new(FALSE, 0);
 316                 gtk_box_pack_start(GTK_BOX(msg_vbox), custom_hbox, FALSE,
 317                                    FALSE, 0);
 318                 gtk_box_pack_start(GTK_BOX(custom_hbox), custom_widget, FALSE,
 319                                    FALSE, 24);
 320         }
 321         if (can_disable) {
 322                 hbox = gtk_hbox_new(FALSE, 0);
 323                 gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 324                 gtk_container_set_border_width(GTK_CONTAINER(hbox), 8);
 325
 326                 disable_chkbtn = gtk_check_button_new_with_label
 327                         (_("Show this message next time"));
 328                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 329                                              TRUE);
 330                 gtk_box_pack_start(GTK_BOX(hbox), disable_chkbtn,
 331                                    FALSE, FALSE, 0);
 332                 g_signal_connect(G_OBJECT(disable_chkbtn), "toggled",
 333                                  G_CALLBACK(alertpanel_button_toggled),
 334                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 335         } else {
 336                 spc_vbox = gtk_vbox_new(FALSE, 0);
 337                 gtk_box_pack_start(GTK_BOX(vbox), spc_vbox, FALSE, FALSE, 0);
 338                 gtk_widget_set_size_request(spc_vbox, -1, 20);
 339         }
 340
 341         /* for button(s) */
 342         if (!button1_label)
 343                 button1_label = _("OK");
 344         label2 = button2_label;
 345         label3 = button3_label;
 346         if (label2 && *label2 == '+') label2++;
 347         if (label3 && *label3 == '+') label3++;
 348
 349         gtkut_button_set_create(&confirm_area,
 350                                 &button1, button1_label,
 351                                 button2_label ? &button2 : NULL, label2,
 352                                 button3_label ? &button3 : NULL, label3);
 353
 354         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 355         gtk_widget_grab_default(button1);
 356         gtk_widget_grab_focus(button1);
 357         if (button2_label && *button2_label == '+') {
 358                 gtk_widget_grab_default(button2);
 359                 gtk_widget_grab_focus(button2);
 360         }
 361         if (button3_label && *button3_label == '+') {
 362                 gtk_widget_grab_default(button3);
 363                 gtk_widget_grab_focus(button3);
 364         }
 365
 366         g_signal_connect(G_OBJECT(button1), "clicked",
 367                          G_CALLBACK(alertpanel_button_clicked),
 368                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 369         if (button2_label)
 370                 g_signal_connect(G_OBJECT(button2), "clicked",
 371                                  G_CALLBACK(alertpanel_button_clicked),
 372                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 373         if (button3_label)
 374                 g_signal_connect(G_OBJECT(button3), "clicked",
 375                                  G_CALLBACK(alertpanel_button_clicked),
 376                                  GUINT_TO_POINTER(G_ALERTOTHER));
 377
 378         gtk_widget_show_all(dialog);
 379 }
 380
 381 static void alertpanel_button_toggled(GtkToggleButton *button,
 382                                       gpointer data)
 383 {
 384         if (gtk_toggle_button_get_active(button))
 385                 value &= ~GPOINTER_TO_UINT(data);
 386         else
 387                 value |= GPOINTER_TO_UINT(data);
 388 }
 389
 390 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 391 {
 392         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 393 }
 394
 395 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 396                                gpointer data)
 397 {
 398         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 399         return TRUE;
 400 }
 401
 402 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 403                              gpointer data)
 404 {
 405         if (event->type == GDK_KEY_PRESS)
 406                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 407                         return FALSE;
 408
 409         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 410         return FALSE;
 411 }