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 <gtk/gtk.h>
  25 #include <gdk/gdkkeysyms.h>
  26
  27 #include "intl.h"
  28 #include "mainwindow.h"
  29 #include "alertpanel.h"
  30 #include "manage_window.h"
  31 #include "utils.h"
  32 #include "gtkutils.h"
  33 #include "inc.h"
  34 #include "log.h"
  35 #include "logwindow.h"
  36
  37 #define TITLE_FONT      "-*-helvetica-medium-r-normal--17-*-*-*-*-*-*-*," \
  38                         "-*-*-medium-r-normal--16-*-*-*-*-*-*-*,*"
  39 #define MESSAGE_FONT    "-*-helvetica-medium-r-normal--14-*-*-*-*-*-*-*," \
  40                         "-*-*-medium-r-normal--14-*-*-*-*-*-*-*,*"
  41 #define ALERT_PANEL_WIDTH       380
  42 #define TITLE_HEIGHT            72
  43 #define MESSAGE_HEIGHT          62
  44
  45 static gboolean alertpanel_is_open = FALSE;
  46 static AlertValue value;
  47
  48 static GtkWidget *dialog;
  49
  50 static void alertpanel_show             (void);
  51 static void alertpanel_create           (const gchar    *title,
  52                                          const gchar    *message,
  53                                          const gchar    *button1_label,
  54                                          const gchar    *button2_label,
  55                                          const gchar    *button3_label,
  56                                          gboolean        can_disable,
  57                                          GtkWidget      *custom_widget);
  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 void 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);
  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);
 102         alertpanel_show();
 103
 104         debug_print("return value = %d\n", value);
 105         return value;
 106 }
 107 void alertpanel_message(const gchar *title, const gchar *message)
 108 {
 109         if (alertpanel_is_open)
 110                 return;
 111         else
 112                 alertpanel_is_open = TRUE;
 113
 114         alertpanel_create(title, message, NULL, NULL, NULL, FALSE, NULL);
 115         alertpanel_show();
 116 }
 117
 118 AlertValue alertpanel_message_with_disable(const gchar *title,
 119                                            const gchar *message)
 120 {
 121         if (alertpanel_is_open)
 122                 return 0;
 123         else
 124                 alertpanel_is_open = TRUE;
 125
 126         alertpanel_create(title, message, NULL, NULL, NULL, TRUE, NULL);
 127         alertpanel_show();
 128
 129         return value;
 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);
 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);
 156 }
 157
 158 void alertpanel_error(const gchar *format, ...)
 159 {
 160         va_list args;
 161         gchar buf[256];
 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);
 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                 val = alertpanel(_("Error"), buf, _("OK"), _("View log"), NULL);
 191                 if (val == G_ALERTALTERNATE)
 192                         log_window_show(mainwin->logwin);
 193         } else
 194                 alertpanel_error(buf);
 195 }
 196
 197 static void alertpanel_show(void)
 198 {
 199         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 200         manage_window_set_transient(GTK_WINDOW(dialog));
 201         value = G_ALERTWAIT;
 202
 203         if (gdk_pointer_is_grabbed())
 204                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 205         inc_lock();
 206         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 207                 gtk_main_iteration();
 208
 209         gtk_widget_destroy(dialog);
 210         GTK_EVENTS_FLUSH();
 211
 212         alertpanel_is_open = FALSE;
 213         inc_unlock();
 214 }
 215
 216 static void alertpanel_create(const gchar *title,
 217                               const gchar *message,
 218                               const gchar *button1_label,
 219                               const gchar *button2_label,
 220                               const gchar *button3_label,
 221                               gboolean     can_disable,
 222                               GtkWidget *custom_widget)
 223 {
 224         static GdkFont *titlefont;
 225         GtkStyle *style;
 226         GtkWidget *label;
 227         GtkWidget *hbox;
 228         GtkWidget *vbox;
 229         GtkWidget *spc_vbox;
 230         GtkWidget *msg_vbox;
 231         GtkWidget *disable_chkbtn;
 232         GtkWidget *confirm_area;
 233         GtkWidget *button1;
 234         GtkWidget *button2;
 235         GtkWidget *button3;
 236         const gchar *label2;
 237         const gchar *label3;
 238
 239         debug_print("Creating alert panel dialog...\n");
 240
 241         dialog = gtk_dialog_new();
 242         gtk_window_set_title(GTK_WINDOW(dialog), title);
 243         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 244         gtk_container_set_border_width
 245                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 246         gtk_window_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 247         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 248                            GTK_SIGNAL_FUNC(alertpanel_deleted),
 249                            (gpointer)G_ALERTOTHER);
 250         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 251                            GTK_SIGNAL_FUNC(alertpanel_close),
 252                            (gpointer)G_ALERTOTHER);
 253         gtk_widget_realize(dialog);
 254
 255         /* for title label */
 256         hbox = gtk_hbox_new(FALSE, 0);
 257         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 258                            hbox, TRUE, TRUE, 16);
 259
 260         /* title label */
 261         /* pixmapwid = create_pixmapwid(dialog, GNUstep_xpm); */
 262         /* gtk_box_pack_start(GTK_BOX(hbox), pixmapwid, FALSE, FALSE, 16); */
 263         label = gtk_label_new(title);
 264         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 16);
 265         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 266         style = gtk_style_copy(gtk_widget_get_style(label));
 267         if (!titlefont)
 268                 titlefont = gtkut_font_load(TITLE_FONT);
 269         if (titlefont)
 270                 style->font = titlefont;
 271         gtk_widget_set_style(label, style);
 272
 273         /* for message and button(s) */
 274         vbox = gtk_vbox_new(FALSE, 0);
 275         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 276                           vbox);
 277
 278         spc_vbox = gtk_vbox_new(FALSE, 0);
 279         gtk_box_pack_start(GTK_BOX(vbox), spc_vbox, FALSE, FALSE, 0);
 280         gtk_widget_set_usize(spc_vbox, -1, 16);
 281
 282         msg_vbox = gtk_vbox_new(FALSE, 0);
 283         gtk_box_pack_start(GTK_BOX(vbox), msg_vbox, FALSE, FALSE, 0);
 284
 285         /* for message label */
 286         hbox = gtk_hbox_new(FALSE, 0);
 287         gtk_box_pack_start(GTK_BOX(msg_vbox), hbox, FALSE, FALSE, 0);
 288
 289         /* message label */
 290         label = gtk_label_new(message);
 291         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 24);
 292         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 293
 294         /* Claws: custom widget */
 295         if (custom_widget) {
 296                 GtkWidget *custom_hbox = gtk_hbox_new(FALSE, 0);
 297                 gtk_box_pack_start(GTK_BOX(msg_vbox), custom_hbox, FALSE,
 298                                    FALSE, 0);
 299                 gtk_box_pack_start(GTK_BOX(custom_hbox), custom_widget, FALSE,
 300                                    FALSE, 24);
 301         }
 302         if (can_disable) {
 303                 hbox = gtk_hbox_new(FALSE, 0);
 304                 gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 305                 gtk_container_set_border_width(GTK_CONTAINER(hbox), 8);
 306
 307                 disable_chkbtn = gtk_check_button_new_with_label
 308                         (_("Show this message next time"));
 309                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 310                                              TRUE);
 311                 gtk_box_pack_start(GTK_BOX(hbox), disable_chkbtn,
 312                                    FALSE, FALSE, 0);
 313                 gtk_signal_connect(GTK_OBJECT(disable_chkbtn), "toggled",
 314                                    GTK_SIGNAL_FUNC(alertpanel_button_toggled),
 315                                    GUINT_TO_POINTER(G_ALERTDISABLE));
 316         } else {
 317                 spc_vbox = gtk_vbox_new(FALSE, 0);
 318                 gtk_box_pack_start(GTK_BOX(vbox), spc_vbox, FALSE, FALSE, 0);
 319                 gtk_widget_set_usize(spc_vbox, -1, 20);
 320         }
 321
 322         /* for button(s) */
 323         if (!button1_label)
 324                 button1_label = _("OK");
 325         label2 = button2_label;
 326         label3 = button3_label;
 327         if (label2 && *label2 == '+') label2++;
 328         if (label3 && *label3 == '+') label3++;
 329
 330         gtkut_button_set_create(&confirm_area,
 331                                 &button1, button1_label,
 332                                 button2_label ? &button2 : NULL, label2,
 333                                 button3_label ? &button3 : NULL, label3);
 334
 335         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 336         gtk_widget_grab_default(button1);
 337         gtk_widget_grab_focus(button1);
 338         if (button2_label && *button2_label == '+') {
 339                 gtk_widget_grab_default(button2);
 340                 gtk_widget_grab_focus(button2);
 341         }
 342         if (button3_label && *button3_label == '+') {
 343                 gtk_widget_grab_default(button3);
 344                 gtk_widget_grab_focus(button3);
 345         }
 346
 347         gtk_signal_connect(GTK_OBJECT(button1), "clicked",
 348                            GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 349                            GUINT_TO_POINTER(G_ALERTDEFAULT));
 350         if (button2_label)
 351                 gtk_signal_connect(GTK_OBJECT(button2), "clicked",
 352                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 353                                    GUINT_TO_POINTER(G_ALERTALTERNATE));
 354         if (button3_label)
 355                 gtk_signal_connect(GTK_OBJECT(button3), "clicked",
 356                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 357                                    GUINT_TO_POINTER(G_ALERTOTHER));
 358
 359         gtk_widget_show_all(dialog);
 360 }
 361
 362 static void alertpanel_button_toggled(GtkToggleButton *button,
 363                                       gpointer data)
 364 {
 365         if (gtk_toggle_button_get_active(button))
 366                 value &= ~GPOINTER_TO_UINT(data);
 367         else
 368                 value |= GPOINTER_TO_UINT(data);
 369 }
 370
 371 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 372 {
 373         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 374 }
 375
 376 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 377                                gpointer data)
 378 {
 379         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 380         return TRUE;
 381 }
 382
 383 static void alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 384                              gpointer data)
 385 {
 386         if (event->type == GDK_KEY_PRESS)
 387                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 388                         return;
 389
 390         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 391 }