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      "Helvetica 16"
  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
  58 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  59                                          gpointer                data);
  60 static void alertpanel_button_clicked   (GtkWidget              *widget,
  61                                          gpointer                data);
  62 static gint alertpanel_deleted          (GtkWidget              *widget,
  63                                          GdkEventAny            *event,
  64                                          gpointer                data);
  65 static gboolean alertpanel_close        (GtkWidget              *widget,
  66                                          GdkEventAny            *event,
  67                                          gpointer                data);
  68
  69 AlertValue alertpanel(const gchar *title,
  70                       const gchar *message,
  71                       const gchar *button1_label,
  72                       const gchar *button2_label,
  73                       const gchar *button3_label)
  74 {
  75         if (alertpanel_is_open)
  76                 return -1;
  77         else
  78                 alertpanel_is_open = TRUE;
  79
  80         alertpanel_create(title, message, button1_label, button2_label,
  81                           button3_label, FALSE, NULL);
  82         alertpanel_show();
  83
  84         debug_print("return value = %d\n", value);
  85         return value;
  86 }
  87
  88 AlertValue alertpanel_with_widget(const gchar *title,
  89                                   const gchar *message,
  90                                   const gchar *button1_label,
  91                                   const gchar *button2_label,
  92                                   const gchar *button3_label,
  93                                   GtkWidget *widget)
  94 {
  95         if (alertpanel_is_open)
  96                 return -1;
  97         else
  98                 alertpanel_is_open = TRUE;
  99         alertpanel_create(title, message, button1_label, button2_label,
 100                           button3_label, FALSE, widget);
 101         alertpanel_show();
 102
 103         debug_print("return value = %d\n", value);
 104         return value;
 105 }
 106 void alertpanel_message(const gchar *title, const gchar *message)
 107 {
 108         if (alertpanel_is_open)
 109                 return;
 110         else
 111                 alertpanel_is_open = TRUE;
 112
 113         alertpanel_create(title, message, NULL, NULL, NULL, FALSE, NULL);
 114         alertpanel_show();
 115 }
 116
 117 AlertValue alertpanel_message_with_disable(const gchar *title,
 118                                            const gchar *message)
 119 {
 120         if (alertpanel_is_open)
 121                 return 0;
 122         else
 123                 alertpanel_is_open = TRUE;
 124
 125         alertpanel_create(title, message, NULL, NULL, NULL, TRUE, NULL);
 126         alertpanel_show();
 127
 128         return value;
 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);
 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);
 155 }
 156
 157 void alertpanel_error(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(_("Error"), buf);
 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                 val = alertpanel(_("Error"), buf, _("OK"), _("View log"), NULL);
 190                 if (val == G_ALERTALTERNATE)
 191                         log_window_show(mainwin->logwin);
 192         } else
 193                 alertpanel_error(buf);
 194 }
 195
 196 static void alertpanel_show(void)
 197 {
 198         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 199         manage_window_set_transient(GTK_WINDOW(dialog));
 200         value = G_ALERTWAIT;
 201
 202         if (gdk_pointer_is_grabbed())
 203                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 204         inc_lock();
 205         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 206                 gtk_main_iteration();
 207
 208         gtk_widget_destroy(dialog);
 209         GTK_EVENTS_FLUSH();
 210
 211         alertpanel_is_open = FALSE;
 212         inc_unlock();
 213 }
 214
 215 static void alertpanel_create(const gchar *title,
 216                               const gchar *message,
 217                               const gchar *button1_label,
 218                               const gchar *button2_label,
 219                               const gchar *button3_label,
 220                               gboolean     can_disable,
 221                               GtkWidget *custom_widget)
 222 {
 223         static PangoFontDescription *font_desc;
 224         GtkWidget *label;
 225         GtkWidget *hbox;
 226         GtkWidget *vbox;
 227         GtkWidget *spc_vbox;
 228         GtkWidget *msg_vbox;
 229         GtkWidget *disable_chkbtn;
 230         GtkWidget *confirm_area;
 231         GtkWidget *button1;
 232         GtkWidget *button2;
 233         GtkWidget *button3;
 234         const gchar *label2;
 235         const gchar *label3;
 236
 237         debug_print("Creating alert panel dialog...\n");
 238
 239         dialog = gtk_dialog_new();
 240         gtk_window_set_title(GTK_WINDOW(dialog), title);
 241         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 242         gtk_container_set_border_width
 243                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 244         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 245         g_signal_connect(G_OBJECT(dialog), "delete_event",
 246                          G_CALLBACK(alertpanel_deleted),
 247                          (gpointer)G_ALERTOTHER);
 248         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 249                          G_CALLBACK(alertpanel_close),
 250                          (gpointer)G_ALERTOTHER);
 251         gtk_widget_realize(dialog);
 252
 253         /* for title label */
 254         hbox = gtk_hbox_new(FALSE, 0);
 255         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 256                            hbox, TRUE, TRUE, 16);
 257
 258         /* title label */
 259         /* pixmapwid = create_pixmapwid(dialog, GNUstep_xpm); */
 260         /* gtk_box_pack_start(GTK_BOX(hbox), pixmapwid, FALSE, FALSE, 16); */
 261         label = gtk_label_new(title);
 262         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 16);
 263         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 264         if (!font_desc) {
 265                 gchar *fontstr = prefs_common.titlefont
 266                                         ? prefs_common.titlefont
 267                                         : DEFAULT_TITLE_FONT;
 268                 font_desc = pango_font_description_from_string (fontstr);
 269         }
 270         if (font_desc) {
 271                 gtk_widget_modify_font (label, font_desc);
 272         }
 273
 274         /* for message and button(s) */
 275         vbox = gtk_vbox_new(FALSE, 0);
 276         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 277                           vbox);
 278
 279         spc_vbox = gtk_vbox_new(FALSE, 0);
 280         gtk_box_pack_start(GTK_BOX(vbox), spc_vbox, FALSE, FALSE, 0);
 281         gtk_widget_set_size_request(spc_vbox, -1, 16);
 282
 283         msg_vbox = gtk_vbox_new(FALSE, 0);
 284         gtk_box_pack_start(GTK_BOX(vbox), msg_vbox, FALSE, FALSE, 0);
 285
 286         /* for message label */
 287         hbox = gtk_hbox_new(FALSE, 0);
 288         gtk_box_pack_start(GTK_BOX(msg_vbox), hbox, FALSE, FALSE, 0);
 289
 290         /* message label */
 291         label = gtk_label_new(message);
 292         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 24);
 293         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 294
 295         /* Claws: custom widget */
 296         if (custom_widget) {
 297                 GtkWidget *custom_hbox = gtk_hbox_new(FALSE, 0);
 298                 gtk_box_pack_start(GTK_BOX(msg_vbox), custom_hbox, FALSE,
 299                                    FALSE, 0);
 300                 gtk_box_pack_start(GTK_BOX(custom_hbox), custom_widget, FALSE,
 301                                    FALSE, 24);
 302         }
 303         if (can_disable) {
 304                 hbox = gtk_hbox_new(FALSE, 0);
 305                 gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 306                 gtk_container_set_border_width(GTK_CONTAINER(hbox), 8);
 307
 308                 disable_chkbtn = gtk_check_button_new_with_label
 309                         (_("Show this message next time"));
 310                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 311                                              TRUE);
 312                 gtk_box_pack_start(GTK_BOX(hbox), disable_chkbtn,
 313                                    FALSE, FALSE, 0);
 314                 g_signal_connect(G_OBJECT(disable_chkbtn), "toggled",
 315                                  G_CALLBACK(alertpanel_button_toggled),
 316                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 317         } else {
 318                 spc_vbox = gtk_vbox_new(FALSE, 0);
 319                 gtk_box_pack_start(GTK_BOX(vbox), spc_vbox, FALSE, FALSE, 0);
 320                 gtk_widget_set_size_request(spc_vbox, -1, 20);
 321         }
 322
 323         /* for button(s) */
 324         if (!button1_label)
 325                 button1_label = _("OK");
 326         label2 = button2_label;
 327         label3 = button3_label;
 328         if (label2 && *label2 == '+') label2++;
 329         if (label3 && *label3 == '+') label3++;
 330
 331         gtkut_button_set_create(&confirm_area,
 332                                 &button1, button1_label,
 333                                 button2_label ? &button2 : NULL, label2,
 334                                 button3_label ? &button3 : NULL, label3);
 335
 336         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 337         gtk_widget_grab_default(button1);
 338         gtk_widget_grab_focus(button1);
 339         if (button2_label && *button2_label == '+') {
 340                 gtk_widget_grab_default(button2);
 341                 gtk_widget_grab_focus(button2);
 342         }
 343         if (button3_label && *button3_label == '+') {
 344                 gtk_widget_grab_default(button3);
 345                 gtk_widget_grab_focus(button3);
 346         }
 347
 348         g_signal_connect(G_OBJECT(button1), "clicked",
 349                          G_CALLBACK(alertpanel_button_clicked),
 350                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 351         if (button2_label)
 352                 g_signal_connect(G_OBJECT(button2), "clicked",
 353                                  G_CALLBACK(alertpanel_button_clicked),
 354                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 355         if (button3_label)
 356                 g_signal_connect(G_OBJECT(button3), "clicked",
 357                                  G_CALLBACK(alertpanel_button_clicked),
 358                                  GUINT_TO_POINTER(G_ALERTOTHER));
 359
 360         gtk_widget_show_all(dialog);
 361 }
 362
 363 static void alertpanel_button_toggled(GtkToggleButton *button,
 364                                       gpointer data)
 365 {
 366         if (gtk_toggle_button_get_active(button))
 367                 value &= ~GPOINTER_TO_UINT(data);
 368         else
 369                 value |= GPOINTER_TO_UINT(data);
 370 }
 371
 372 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 373 {
 374         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 375 }
 376
 377 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 378                                gpointer data)
 379 {
 380         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 381         return TRUE;
 382 }
 383
 384 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 385                              gpointer data)
 386 {
 387         if (event->type == GDK_KEY_PRESS)
 388                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 389                         return FALSE;
 390
 391         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 392         return FALSE;
 393 }