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                                            gint alert_type)
 128 {
 129         if (alertpanel_is_open)
 130                 return 0;
 131         else
 132                 alertpanel_is_open = TRUE;
 133
 134         alertpanel_create(title, message, NULL, NULL, NULL, TRUE, NULL,
 135                           alert_type);
 136         alertpanel_show();
 137
 138         return value;
 139 }
 140
 141 void alertpanel_notice(const gchar *format, ...)
 142 {
 143         va_list args;
 144         gchar buf[256];
 145
 146         va_start(args, format);
 147         g_vsnprintf(buf, sizeof(buf), format, args);
 148         va_end(args);
 149         strretchomp(buf);
 150
 151         alertpanel_message(_("Notice"), buf, ALERT_NOTICE);
 152 }
 153
 154 void alertpanel_warning(const gchar *format, ...)
 155 {
 156         va_list args;
 157         gchar buf[256];
 158
 159         va_start(args, format);
 160         g_vsnprintf(buf, sizeof(buf), format, args);
 161         va_end(args);
 162         strretchomp(buf);
 163
 164         alertpanel_message(_("Warning"), buf, ALERT_WARNING);
 165 }
 166
 167 void alertpanel_error(const gchar *format, ...)
 168 {
 169         va_list args;
 170         gchar buf[256];
 171
 172         va_start(args, format);
 173         g_vsnprintf(buf, sizeof(buf), format, args);
 174         va_end(args);
 175         strretchomp(buf);
 176
 177         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 178 }
 179
 180 /*!
 181  *\brief        display an error with a View Log button
 182  *
 183  */
 184 void alertpanel_error_log(const gchar *format, ...)
 185 {
 186         va_list args;
 187         int val;
 188         MainWindow *mainwin;
 189         gchar buf[256];
 190
 191         va_start(args, format);
 192         g_vsnprintf(buf, sizeof(buf), format, args);
 193         va_end(args);
 194         strretchomp(buf);
 195
 196         mainwin = mainwindow_get_mainwindow();
 197
 198         if (mainwin && mainwin->logwin) {
 199                 val = alertpanel_with_type(_("Error"), buf, _("OK"), _("View log"), NULL, NULL, ALERT_ERROR);
 200                 if (val == G_ALERTALTERNATE)
 201                         log_window_show(mainwin->logwin);
 202         } else
 203                 alertpanel_error(buf);
 204 }
 205
 206 static void alertpanel_show(void)
 207 {
 208         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 209         manage_window_set_transient(GTK_WINDOW(dialog));
 210         value = G_ALERTWAIT;
 211
 212         if (gdk_pointer_is_grabbed())
 213                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 214         inc_lock();
 215         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 216                 gtk_main_iteration();
 217
 218         gtk_widget_destroy(dialog);
 219         GTK_EVENTS_FLUSH();
 220
 221         alertpanel_is_open = FALSE;
 222         inc_unlock();
 223 }
 224
 225 static void alertpanel_create(const gchar *title,
 226                               const gchar *message,
 227                               const gchar *button1_label,
 228                               const gchar *button2_label,
 229                               const gchar *button3_label,
 230                               gboolean     can_disable,
 231                               GtkWidget   *custom_widget,
 232                               gint         alert_type)
 233 {
 234         static PangoFontDescription *font_desc;
 235         GtkWidget *label;
 236         GtkWidget *w_hbox;
 237         GtkWidget *hbox;
 238         GtkWidget *vbox;
 239         GtkWidget *disable_chkbtn;
 240         GtkWidget *confirm_area;
 241         GtkWidget *button1;
 242         GtkWidget *button2;
 243         GtkWidget *button3;
 244         GtkWidget *icon;
 245         const gchar *label2;
 246         const gchar *label3;
 247         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 248                                 "size=\"larger\">%s</span>",
 249                                 title?title:"");
 250
 251         gchar *icon_desc[] = {  GTK_STOCK_DIALOG_INFO,
 252                                 GTK_STOCK_DIALOG_QUESTION,
 253                                 GTK_STOCK_DIALOG_WARNING,
 254                                 GTK_STOCK_DIALOG_ERROR };
 255
 256         debug_print("Creating alert panel dialog...\n");
 257
 258         dialog = gtk_dialog_new();
 259         gtk_window_set_title(GTK_WINDOW(dialog), title);
 260         gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
 261         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 262
 263         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 264         gtk_dialog_set_has_separator(GTK_DIALOG(dialog), FALSE);
 265         g_signal_connect(G_OBJECT(dialog), "delete_event",
 266                          G_CALLBACK(alertpanel_deleted),
 267                          (gpointer)G_ALERTOTHER);
 268         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 269                          G_CALLBACK(alertpanel_close),
 270                          (gpointer)G_ALERTOTHER);
 271
 272         gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 14);
 273         hbox = gtk_hbox_new (FALSE, 12);
 274         gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
 275         gtk_widget_show (hbox);
 276         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox,
 277                             FALSE, FALSE, 0);
 278
 279         /* for title label */
 280         w_hbox = gtk_hbox_new(FALSE, 0);
 281
 282         if (alert_type < 0 || alert_type > 3)
 283                 alert_type = 0;
 284
 285         icon = gtk_image_new_from_stock(icon_desc[alert_type],
 286                                         GTK_ICON_SIZE_DIALOG);
 287         gtk_misc_set_alignment (GTK_MISC (icon), 0.5, 0.0);
 288         gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
 289
 290         vbox = gtk_vbox_new (FALSE, 12);
 291         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 292         gtk_widget_show (vbox);
 293
 294         label = gtk_label_new(title_full);
 295         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 296         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 297         gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
 298         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 299         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 300         if (!font_desc) {
 301                 gint size;
 302
 303                 size = pango_font_description_get_size
 304                         (label->style->font_desc);
 305                 font_desc = pango_font_description_new();
 306                 pango_font_description_set_weight
 307                         (font_desc, PANGO_WEIGHT_BOLD);
 308                 pango_font_description_set_size
 309                         (font_desc, size * PANGO_SCALE_LARGE);
 310         }
 311         if (font_desc)
 312                 gtk_widget_modify_font(label, font_desc);
 313         g_free(title_full);
 314
 315         label = gtk_label_new(message);
 316         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 317         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 318         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 319         gtk_widget_show(label);
 320
 321         /* Claws: custom widget */
 322         if (custom_widget) {
 323                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 324                                    FALSE, 0);
 325         }
 326
 327         if (can_disable) {
 328                 hbox = gtk_hbox_new(FALSE, 0);
 329                 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox,
 330                                    FALSE, FALSE, 0);
 331
 332                 disable_chkbtn = gtk_check_button_new_with_label
 333                         (_("Show this message next time"));
 334                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 335                                              TRUE);
 336                 gtk_box_pack_start(GTK_BOX(hbox), disable_chkbtn,
 337                                    FALSE, FALSE, 12);
 338                 g_signal_connect(G_OBJECT(disable_chkbtn), "toggled",
 339                                  G_CALLBACK(alertpanel_button_toggled),
 340                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 341         }
 342
 343         /* for button(s) */
 344         if (!button1_label)
 345                 button1_label = GTK_STOCK_OK;
 346         label2 = button2_label;
 347         label3 = button3_label;
 348         if (label2 && *label2 == '+') label2++;
 349         if (label3 && *label3 == '+') label3++;
 350
 351         gtkut_stock_button_set_create(&confirm_area,
 352                                       &button1, button1_label,
 353                                       button2_label ? &button2 : NULL, label2,
 354                                       button3_label ? &button3 : NULL, label3);
 355
 356         gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dialog)->action_area),
 357                          confirm_area, FALSE, FALSE, 0);
 358         gtk_container_set_border_width(GTK_CONTAINER(confirm_area), 5);
 359         gtk_widget_grab_default(button1);
 360         gtk_widget_grab_focus(button1);
 361         if (button2_label && *button2_label == '+') {
 362                 gtk_widget_grab_default(button2);
 363                 gtk_widget_grab_focus(button2);
 364         }
 365         if (button3_label && *button3_label == '+') {
 366                 gtk_widget_grab_default(button3);
 367                 gtk_widget_grab_focus(button3);
 368         }
 369
 370         g_signal_connect(G_OBJECT(button1), "clicked",
 371                          G_CALLBACK(alertpanel_button_clicked),
 372                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 373         if (button2_label)
 374                 g_signal_connect(G_OBJECT(button2), "clicked",
 375                                  G_CALLBACK(alertpanel_button_clicked),
 376                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 377         if (button3_label)
 378                 g_signal_connect(G_OBJECT(button3), "clicked",
 379                                  G_CALLBACK(alertpanel_button_clicked),
 380                                  GUINT_TO_POINTER(G_ALERTOTHER));
 381
 382         gtk_widget_show_all(dialog);
 383 }
 384
 385 static void alertpanel_button_toggled(GtkToggleButton *button,
 386                                       gpointer data)
 387 {
 388         if (gtk_toggle_button_get_active(button))
 389                 value &= ~GPOINTER_TO_UINT(data);
 390         else
 391                 value |= GPOINTER_TO_UINT(data);
 392 }
 393
 394 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 395 {
 396         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 397 }
 398
 399 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 400                                gpointer data)
 401 {
 402         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 403         return TRUE;
 404 }
 405
 406 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 407                                  gpointer data)
 408 {
 409         if (event->type == GDK_KEY_PRESS)
 410                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 411                         return FALSE;
 412
 413         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 414         return FALSE;
 415 }