src/alertpanel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 "hooks.h"
  32 #include "mainwindow.h"
  33 #include "alertpanel.h"
  34 #include "manage_window.h"
  35 #include "utils.h"
  36 #include "gtkutils.h"
  37 #include "inc.h"
  38 #include "logwindow.h"
  39 #include "prefs_common.h"
  40
  41 #define ALERT_PANEL_WIDTH       380
  42 #define TITLE_HEIGHT            72
  43 #define MESSAGE_HEIGHT          62
  44
  45 static AlertValue value;
  46 static gboolean alertpanel_is_open = FALSE;
  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                                          AlertValue      default_value);
  59
  60 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  61                                          gpointer                data);
  62 static void alertpanel_button_clicked   (GtkWidget              *widget,
  63                                          gpointer                data);
  64 static gint alertpanel_deleted          (GtkWidget              *widget,
  65                                          GdkEventAny            *event,
  66                                          gpointer                data);
  67 static gboolean alertpanel_close        (GtkWidget              *widget,
  68                                          GdkEventAny            *event,
  69                                          gpointer                data);
  70
  71 AlertValue alertpanel_with_widget(const gchar *title,
  72                                   const gchar *message,
  73                                   const gchar *button1_label,
  74                                   const gchar *button2_label,
  75                                   const gchar *button3_label,
  76                                   gboolean     can_disable,
  77                                   AlertValue   default_value,
  78                                   GtkWidget   *widget)
  79 {
  80         return alertpanel_full(title, message, button1_label,
  81                                     button2_label, button3_label,
  82                                     can_disable, widget, ALERT_QUESTION,
  83                                     default_value);
  84 }
  85
  86 AlertValue alertpanel_full(const gchar *title, const gchar *message,
  87                            const gchar *button1_label,
  88                            const gchar *button2_label,
  89                            const gchar *button3_label,
  90                            gboolean     can_disable,
  91                            GtkWidget   *widget,
  92                            AlertType    alert_type,
  93                            AlertValue   default_value)
  94 {
  95         if (alertpanel_is_open)
  96                 return -1;
  97         else {
  98                 alertpanel_is_open = TRUE;
  99                 hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 100         }
 101         alertpanel_create(title, message, button1_label, button2_label,
 102                           button3_label, can_disable, widget, alert_type,
 103                           default_value);
 104         alertpanel_show();
 105
 106         debug_print("return value = %d\n", value);
 107         return value;
 108 }
 109
 110 AlertValue alertpanel(const gchar *title,
 111                       const gchar *message,
 112                       const gchar *button1_label,
 113                       const gchar *button2_label,
 114                       const gchar *button3_label)
 115 {
 116         return alertpanel_full(title, message, button1_label, button2_label,
 117                                button3_label, FALSE, NULL, ALERT_QUESTION,
 118                                G_ALERTDEFAULT);
 119 }
 120
 121 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 122 {
 123         if (alertpanel_is_open)
 124                 return;
 125         else {
 126                 alertpanel_is_open = TRUE;
 127                 hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 128         }
 129
 130         alertpanel_create(title, message, GTK_STOCK_CLOSE, NULL, NULL,
 131                           FALSE, NULL, type, G_ALERTDEFAULT);
 132         alertpanel_show();
 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[512];
 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                 mainwindow_clear_error(mainwin);
 194                 val = alertpanel_full(_("Error"), buf, GTK_STOCK_CLOSE,
 195                                       _("_View log"), NULL, FALSE, NULL,
 196                                       ALERT_ERROR, G_ALERTDEFAULT);
 197                 if (val == G_ALERTALTERNATE)
 198                         log_window_show(mainwin->logwin);
 199         } else
 200                 alertpanel_error(buf);
 201 }
 202
 203 static void alertpanel_show(void)
 204 {
 205         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 206         manage_window_set_transient(GTK_WINDOW(dialog));
 207         value = G_ALERTWAIT;
 208
 209         if (gdk_pointer_is_grabbed())
 210                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 211         inc_lock();
 212         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 213                 gtk_main_iteration();
 214
 215         gtk_widget_destroy(dialog);
 216         GTK_EVENTS_FLUSH();
 217
 218         alertpanel_is_open = FALSE;
 219         hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 220
 221         inc_unlock();
 222 }
 223
 224 static void alertpanel_create(const gchar *title,
 225                               const gchar *message,
 226                               const gchar *button1_label,
 227                               const gchar *button2_label,
 228                               const gchar *button3_label,
 229                               gboolean     can_disable,
 230                               GtkWidget   *custom_widget,
 231                               gint         alert_type,
 232                               AlertValue   default_value)
 233 {
 234         static PangoFontDescription *font_desc;
 235         GtkWidget *image;
 236         GtkWidget *label;
 237         GtkWidget *hbox;
 238         GtkWidget *vbox;
 239         GtkWidget *disable_checkbtn;
 240         GtkWidget *confirm_area;
 241         GtkWidget *button1;
 242         GtkWidget *button2;
 243         GtkWidget *button3;
 244         const gchar *label2;
 245         const gchar *label3;
 246         gchar *tmp = title?g_markup_printf_escaped("%s", title)
 247                         :g_strdup("");
 248         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 249                                 "size=\"larger\">%s</span>",
 250                                 tmp);
 251         g_free(tmp);
 252         debug_print("Creating alert panel dialog...\n");
 253
 254         dialog = gtk_dialog_new();
 255         gtk_window_set_title(GTK_WINDOW(dialog), title);
 256         gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
 257
 258         gtk_window_set_default_size(GTK_WINDOW(dialog), 375, 100);
 259         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 260
 261         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 262         g_signal_connect(G_OBJECT(dialog), "delete_event",
 263                          G_CALLBACK(alertpanel_deleted),
 264                          (gpointer)G_ALERTCANCEL);
 265         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 266                          G_CALLBACK(alertpanel_close),
 267                          (gpointer)G_ALERTCANCEL);
 268
 269         /* for title icon, label and message */
 270         hbox = gtk_hbox_new(FALSE, 12);
 271         gtk_container_set_border_width(GTK_CONTAINER(hbox), 12);
 272         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 273                            hbox, FALSE, FALSE, 0);
 274
 275         /* title icon */
 276         switch (alert_type) {
 277         case ALERT_QUESTION:
 278                 image = gtk_image_new_from_stock
 279                         (GTK_STOCK_DIALOG_QUESTION, GTK_ICON_SIZE_DIALOG);
 280                 break;
 281         case ALERT_WARNING:
 282                 image = gtk_image_new_from_stock
 283                         (GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_DIALOG);
 284                 break;
 285         case ALERT_ERROR:
 286                 image = gtk_image_new_from_stock
 287                         (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
 288                 break;
 289         case ALERT_NOTICE:
 290         default:
 291                 image = gtk_image_new_from_stock
 292                         (GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG);
 293                 break;
 294         }
 295         gtk_misc_set_alignment(GTK_MISC(image), 0.5, 0.0);
 296         gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 297
 298         vbox = gtk_vbox_new (FALSE, 12);
 299         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 300         gtk_widget_show (vbox);
 301
 302         label = gtk_label_new(title_full);
 303         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 304         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 305         gtk_label_set_use_markup(GTK_LABEL (label), TRUE);
 306         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 307         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 308         if (!font_desc) {
 309                 gint size;
 310
 311                 size = pango_font_description_get_size
 312                         (label->style->font_desc);
 313                 font_desc = pango_font_description_new();
 314                 pango_font_description_set_weight
 315                         (font_desc, PANGO_WEIGHT_BOLD);
 316                 pango_font_description_set_size
 317                         (font_desc, size * PANGO_SCALE_LARGE);
 318         }
 319         if (font_desc)
 320                 gtk_widget_modify_font(label, font_desc);
 321         g_free(title_full);
 322
 323         label = gtk_label_new(message);
 324         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 325         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 326         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 327         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 328         gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 329         GTK_WIDGET_UNSET_FLAGS(label, GTK_CAN_FOCUS);
 330         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 331         gtk_widget_show(label);
 332
 333         /* Claws: custom widget */
 334         if (custom_widget) {
 335                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 336                                    FALSE, 0);
 337         }
 338
 339         if (can_disable) {
 340                 hbox = gtk_hbox_new(FALSE, 0);
 341                 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox,
 342                                    FALSE, FALSE, 0);
 343
 344                 disable_checkbtn = gtk_check_button_new_with_label
 345                         (_("Show this message next time"));
 346                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_checkbtn),
 347                                              TRUE);
 348                 gtk_box_pack_start(GTK_BOX(hbox), disable_checkbtn,
 349                                    FALSE, FALSE, 12);
 350                 g_signal_connect(G_OBJECT(disable_checkbtn), "toggled",
 351                                  G_CALLBACK(alertpanel_button_toggled),
 352                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 353         }
 354
 355         /* for button(s) */
 356         if (!button1_label)
 357                 button1_label = GTK_STOCK_OK;
 358         label2 = button2_label;
 359         label3 = button3_label;
 360         if (label2 && *label2 == '+') label2++;
 361         if (label3 && *label3 == '+') label3++;
 362
 363         gtkut_stock_button_set_create(&confirm_area,
 364                                       &button1, button1_label,
 365                                       button2_label ? &button2 : NULL, label2,
 366                                       button3_label ? &button3 : NULL, label3);
 367
 368         gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dialog)->action_area),
 369                          confirm_area, FALSE, FALSE, 0);
 370         gtk_container_set_border_width(GTK_CONTAINER(confirm_area), 5);
 371         gtk_widget_grab_default(button1);
 372         gtk_widget_grab_focus(button1);
 373         if (button2_label &&
 374             (default_value == G_ALERTALTERNATE || *button2_label == '+')) {
 375                 gtk_widget_grab_default(button2);
 376                 gtk_widget_grab_focus(button2);
 377         }
 378         if (button3_label &&
 379             (default_value == G_ALERTOTHER || *button3_label == '+')) {
 380                 gtk_widget_grab_default(button3);
 381                 gtk_widget_grab_focus(button3);
 382         }
 383
 384         g_signal_connect(G_OBJECT(button1), "clicked",
 385                          G_CALLBACK(alertpanel_button_clicked),
 386                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 387         if (button2_label)
 388                 g_signal_connect(G_OBJECT(button2), "clicked",
 389                                  G_CALLBACK(alertpanel_button_clicked),
 390                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 391         if (button3_label)
 392                 g_signal_connect(G_OBJECT(button3), "clicked",
 393                                  G_CALLBACK(alertpanel_button_clicked),
 394                                  GUINT_TO_POINTER(G_ALERTOTHER));
 395
 396         gtk_widget_show_all(dialog);
 397 }
 398
 399 static void alertpanel_button_toggled(GtkToggleButton *button,
 400                                       gpointer data)
 401 {
 402         if (gtk_toggle_button_get_active(button))
 403                 value &= ~GPOINTER_TO_UINT(data);
 404         else
 405                 value |= GPOINTER_TO_UINT(data);
 406 }
 407
 408 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 409 {
 410         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 411 }
 412
 413 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 414                                gpointer data)
 415 {
 416         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 417         return TRUE;
 418 }
 419
 420 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 421                                  gpointer data)
 422 {
 423         if (event->type == GDK_KEY_PRESS)
 424                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 425                         return FALSE;
 426
 427         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 428         return FALSE;
 429 }