src/alertpanel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include <stddef.h>
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30 #include <gdk/gdkkeysyms.h>
  31
  32 #include "hooks.h"
  33 #include "mainwindow.h"
  34 #include "alertpanel.h"
  35 #include "manage_window.h"
  36 #include "utils.h"
  37 #include "gtkutils.h"
  38 #include "inc.h"
  39 #include "logwindow.h"
  40 #include "prefs_common.h"
  41
  42 #define ALERT_PANEL_WIDTH       380
  43 #define TITLE_HEIGHT            72
  44 #define MESSAGE_HEIGHT          62
  45
  46 static AlertValue value;
  47 static gboolean alertpanel_is_open = FALSE;
  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                                          gint            alert_type,
  59                                          AlertValue      default_value);
  60
  61 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  62                                          gpointer                data);
  63 static void alertpanel_button_clicked   (GtkWidget              *widget,
  64                                          gpointer                data);
  65 static gint alertpanel_deleted          (GtkWidget              *widget,
  66                                          GdkEventAny            *event,
  67                                          gpointer                data);
  68 static gboolean alertpanel_close        (GtkWidget              *widget,
  69                                          GdkEventAny            *event,
  70                                          gpointer                data);
  71
  72 AlertValue alertpanel_with_widget(const gchar *title,
  73                                   const gchar *message,
  74                                   const gchar *button1_label,
  75                                   const gchar *button2_label,
  76                                   const gchar *button3_label,
  77                                   gboolean     can_disable,
  78                                   AlertValue   default_value,
  79                                   GtkWidget   *widget)
  80 {
  81         return alertpanel_full(title, message, button1_label,
  82                                     button2_label, button3_label,
  83                                     can_disable, widget, ALERT_QUESTION,
  84                                     default_value);
  85 }
  86
  87 AlertValue alertpanel_full(const gchar *title, const gchar *message,
  88                            const gchar *button1_label,
  89                            const gchar *button2_label,
  90                            const gchar *button3_label,
  91                            gboolean     can_disable,
  92                            GtkWidget   *widget,
  93                            AlertType    alert_type,
  94                            AlertValue   default_value)
  95 {
  96         if (alertpanel_is_open)
  97                 return -1;
  98         else {
  99                 alertpanel_is_open = TRUE;
 100                 hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 101         }
 102         alertpanel_create(title, message, button1_label, button2_label,
 103                           button3_label, can_disable, widget, alert_type,
 104                           default_value);
 105         alertpanel_show();
 106
 107         debug_print("return value = %d\n", value);
 108         return value;
 109 }
 110
 111 AlertValue alertpanel(const gchar *title,
 112                       const gchar *message,
 113                       const gchar *button1_label,
 114                       const gchar *button2_label,
 115                       const gchar *button3_label)
 116 {
 117         return alertpanel_full(title, message, button1_label, button2_label,
 118                                button3_label, FALSE, NULL, ALERT_QUESTION,
 119                                G_ALERTDEFAULT);
 120 }
 121
 122 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 123 {
 124         if (alertpanel_is_open)
 125                 return;
 126         else {
 127                 alertpanel_is_open = TRUE;
 128                 hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 129         }
 130
 131         alertpanel_create(title, message, GTK_STOCK_CLOSE, NULL, NULL,
 132                           FALSE, NULL, type, G_ALERTDEFAULT);
 133         alertpanel_show();
 134 }
 135
 136 void alertpanel_notice(const gchar *format, ...)
 137 {
 138         va_list args;
 139         gchar buf[256];
 140
 141         va_start(args, format);
 142         g_vsnprintf(buf, sizeof(buf), format, args);
 143         va_end(args);
 144         strretchomp(buf);
 145
 146         alertpanel_message(_("Notice"), buf, ALERT_NOTICE);
 147 }
 148
 149 void alertpanel_warning(const gchar *format, ...)
 150 {
 151         va_list args;
 152         gchar buf[256];
 153
 154         va_start(args, format);
 155         g_vsnprintf(buf, sizeof(buf), format, args);
 156         va_end(args);
 157         strretchomp(buf);
 158
 159         alertpanel_message(_("Warning"), buf, ALERT_WARNING);
 160 }
 161
 162 void alertpanel_error(const gchar *format, ...)
 163 {
 164         va_list args;
 165         gchar buf[512];
 166
 167         va_start(args, format);
 168         g_vsnprintf(buf, sizeof(buf), format, args);
 169         va_end(args);
 170         strretchomp(buf);
 171
 172         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 173 }
 174
 175 /*!
 176  *\brief        display an error with a View Log button
 177  *
 178  */
 179 void alertpanel_error_log(const gchar *format, ...)
 180 {
 181         va_list args;
 182         int val;
 183         MainWindow *mainwin;
 184         gchar buf[256];
 185
 186         va_start(args, format);
 187         g_vsnprintf(buf, sizeof(buf), format, args);
 188         va_end(args);
 189         strretchomp(buf);
 190
 191         mainwin = mainwindow_get_mainwindow();
 192
 193         if (mainwin && mainwin->logwin) {
 194                 mainwindow_clear_error(mainwin);
 195                 val = alertpanel_full(_("Error"), buf, GTK_STOCK_CLOSE,
 196                                       _("_View log"), NULL, FALSE, NULL,
 197                                       ALERT_ERROR, G_ALERTDEFAULT);
 198                 if (val == G_ALERTALTERNATE)
 199                         log_window_show(mainwin->logwin);
 200         } else
 201                 alertpanel_error("%s", buf);
 202 }
 203
 204 static void alertpanel_show(void)
 205 {
 206         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 207         manage_window_set_transient(GTK_WINDOW(dialog));
 208         gtk_widget_show_all(dialog);
 209         value = G_ALERTWAIT;
 210
 211         if (gdk_pointer_is_grabbed())
 212                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 213         inc_lock();
 214         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 215                 gtk_main_iteration();
 216
 217         gtk_widget_destroy(dialog);
 218         GTK_EVENTS_FLUSH();
 219
 220         alertpanel_is_open = FALSE;
 221         hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 222
 223         inc_unlock();
 224 }
 225
 226 static void alertpanel_create(const gchar *title,
 227                               const gchar *message,
 228                               const gchar *button1_label,
 229                               const gchar *button2_label,
 230                               const gchar *button3_label,
 231                               gboolean     can_disable,
 232                               GtkWidget   *custom_widget,
 233                               gint         alert_type,
 234                               AlertValue   default_value)
 235 {
 236         static PangoFontDescription *font_desc;
 237         GtkWidget *image;
 238         GtkWidget *label;
 239         GtkWidget *hbox;
 240         GtkWidget *vbox;
 241         GtkWidget *disable_checkbtn;
 242         GtkWidget *confirm_area;
 243         GtkWidget *button1;
 244         GtkWidget *button2;
 245         GtkWidget *button3;
 246         const gchar *label2;
 247         const gchar *label3;
 248         gchar *tmp = title?g_markup_printf_escaped("%s", title)
 249                         :g_strdup("");
 250         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 251                                 "size=\"larger\">%s</span>",
 252                                 tmp);
 253         g_free(tmp);
 254         debug_print("Creating alert panel dialog...\n");
 255
 256         dialog = gtk_dialog_new();
 257         gtk_window_set_title(GTK_WINDOW(dialog), title);
 258         gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
 259
 260         gtk_window_set_default_size(GTK_WINDOW(dialog), 375, 100);
 261
 262         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 263         g_signal_connect(G_OBJECT(dialog), "delete_event",
 264                          G_CALLBACK(alertpanel_deleted),
 265                          (gpointer)G_ALERTCANCEL);
 266         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 267                          G_CALLBACK(alertpanel_close),
 268                          (gpointer)G_ALERTCANCEL);
 269
 270         /* for title icon, label and message */
 271         hbox = gtk_hbox_new(FALSE, 12);
 272         gtk_container_set_border_width(GTK_CONTAINER(hbox), 12);
 273         gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))),
 274                            hbox, FALSE, FALSE, 0);
 275
 276         /* title icon */
 277         switch (alert_type) {
 278         case ALERT_QUESTION:
 279                 image = gtk_image_new_from_stock
 280                         (GTK_STOCK_DIALOG_QUESTION, GTK_ICON_SIZE_DIALOG);
 281                 break;
 282         case ALERT_WARNING:
 283                 image = gtk_image_new_from_stock
 284                         (GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_DIALOG);
 285                 break;
 286         case ALERT_ERROR:
 287                 image = gtk_image_new_from_stock
 288                         (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
 289                 break;
 290         case ALERT_NOTICE:
 291         default:
 292                 image = gtk_image_new_from_stock
 293                         (GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG);
 294                 break;
 295         }
 296         gtk_misc_set_alignment(GTK_MISC(image), 0.5, 0.0);
 297         gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 298
 299         vbox = gtk_vbox_new (FALSE, 12);
 300         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 301         gtk_widget_show (vbox);
 302
 303         label = gtk_label_new(title_full);
 304         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 305         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 306         gtk_label_set_use_markup(GTK_LABEL (label), TRUE);
 307         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 308         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 309         if (!font_desc) {
 310                 gint size;
 311
 312                 size = pango_font_description_get_size
 313                         (gtk_widget_get_style(label)->font_desc);
 314                 font_desc = pango_font_description_new();
 315                 pango_font_description_set_weight
 316                         (font_desc, PANGO_WEIGHT_BOLD);
 317                 pango_font_description_set_size
 318                         (font_desc, size * PANGO_SCALE_LARGE);
 319         }
 320         if (font_desc)
 321                 gtk_widget_modify_font(label, font_desc);
 322         g_free(title_full);
 323
 324         label = gtk_label_new(message);
 325         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 326         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 327         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 328         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 329         gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 330         gtkut_widget_set_can_focus(label, FALSE);
 331         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 332         gtk_widget_show(label);
 333
 334         /* Claws: custom widget */
 335         if (custom_widget) {
 336                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 337                                    FALSE, 0);
 338         }
 339
 340         if (can_disable) {
 341                 hbox = gtk_hbox_new(FALSE, 0);
 342                 gtk_box_pack_start(GTK_BOX(
 343                         gtk_dialog_get_content_area(GTK_DIALOG(dialog))), hbox,
 344                                    FALSE, FALSE, 0);
 345
 346                 disable_checkbtn = gtk_check_button_new_with_label
 347                         (_("Show this message next time"));
 348                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_checkbtn),
 349                                              TRUE);
 350                 gtk_box_pack_start(GTK_BOX(hbox), disable_checkbtn,
 351                                    FALSE, FALSE, 12);
 352                 g_signal_connect(G_OBJECT(disable_checkbtn), "toggled",
 353                                  G_CALLBACK(alertpanel_button_toggled),
 354                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 355         }
 356
 357         /* for button(s) */
 358         if (!button1_label)
 359                 button1_label = GTK_STOCK_OK;
 360         label2 = button2_label;
 361         label3 = button3_label;
 362         if (label2 && *label2 == '+') label2++;
 363         if (label3 && *label3 == '+') label3++;
 364
 365         gtkut_stock_button_set_create(&confirm_area,
 366                                       &button1, button1_label,
 367                                       button2_label ? &button2 : NULL, label2,
 368                                       button3_label ? &button3 : NULL, label3);
 369
 370         gtk_box_pack_end(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(dialog))),
 371                          confirm_area, FALSE, FALSE, 0);
 372         gtk_container_set_border_width(GTK_CONTAINER(confirm_area), 5);
 373         gtk_widget_grab_default(button1);
 374         gtk_widget_grab_focus(button1);
 375         if (button2_label &&
 376             (default_value == G_ALERTALTERNATE || *button2_label == '+')) {
 377                 gtk_widget_grab_default(button2);
 378                 gtk_widget_grab_focus(button2);
 379         }
 380         if (button3_label &&
 381             (default_value == G_ALERTOTHER || *button3_label == '+')) {
 382                 gtk_widget_grab_default(button3);
 383                 gtk_widget_grab_focus(button3);
 384         }
 385
 386         g_signal_connect(G_OBJECT(button1), "clicked",
 387                          G_CALLBACK(alertpanel_button_clicked),
 388                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 389         if (button2_label)
 390                 g_signal_connect(G_OBJECT(button2), "clicked",
 391                                  G_CALLBACK(alertpanel_button_clicked),
 392                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 393         if (button3_label)
 394                 g_signal_connect(G_OBJECT(button3), "clicked",
 395                                  G_CALLBACK(alertpanel_button_clicked),
 396                                  GUINT_TO_POINTER(G_ALERTOTHER));
 397
 398         gtk_widget_show_all(dialog);
 399 }
 400
 401 static void alertpanel_button_toggled(GtkToggleButton *button,
 402                                       gpointer data)
 403 {
 404         if (gtk_toggle_button_get_active(button))
 405                 value &= ~GPOINTER_TO_UINT(data);
 406         else
 407                 value |= GPOINTER_TO_UINT(data);
 408 }
 409
 410 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 411 {
 412         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 413 }
 414
 415 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 416                                gpointer data)
 417 {
 418         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 419         return TRUE;
 420 }
 421
 422 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 423                                  gpointer data)
 424 {
 425         if (event->type == GDK_KEY_PRESS)
 426                 if (((GdkEventKey *)event)->keyval != GDK_KEY_Escape)
 427                         return FALSE;
 428
 429         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 430         return FALSE;
 431 }