src/alertpanel.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2022 the Claws Mail team and 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 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 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.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_BUFSIZE     1024
  42
  43 static AlertValue value;
  44 static gboolean alertpanel_is_open = FALSE;
  45 static GtkWidget *window;
  46
  47 static void alertpanel_show             (void);
  48 static void alertpanel_create           (const gchar    *title,
  49                                          const gchar    *message,
  50                                          const gchar    *stock_icon1,
  51                                          const gchar    *button1_label,
  52                                          const gchar    *stock_icon2,
  53                                          const gchar    *button2_label,
  54                                          const gchar    *stock_icon3,
  55                                          const gchar    *button3_label,
  56                                          AlertFocus    focus,
  57                                          gboolean        can_disable,
  58                                          GtkWidget      *custom_widget,
  59                                          gint            alert_type);
  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 *stock_icon1,
  75                                   const gchar *button1_label,
  76                                   const gchar *stock_icon2,
  77                                   const gchar *button2_label,
  78                                   const gchar *stock_icon3,
  79                                   const gchar *button3_label,
  80                                         AlertFocus   focus,
  81                                   gboolean     can_disable,
  82                                   GtkWidget   *widget)
  83 {
  84         return alertpanel_full(title, message, NULL, button1_label,
  85                                NULL, button2_label, NULL, button3_label,
  86                                focus, can_disable, widget, ALERT_QUESTION);
  87 }
  88
  89 AlertValue alertpanel_full(const gchar *title, const gchar *message,
  90                            const gchar *stock_icon1,
  91                            const gchar *button1_label,
  92                            const gchar *stock_icon2,
  93                            const gchar *button2_label,
  94                            const gchar *stock_icon3,
  95                            const gchar *button3_label,
  96                            AlertFocus   focus,
  97                            gboolean     can_disable,
  98                            GtkWidget   *widget,
  99                            AlertType    alert_type)
 100 {
 101         if (alertpanel_is_open)
 102                 return -1;
 103         else {
 104                 alertpanel_is_open = TRUE;
 105                 hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 106         }
 107         alertpanel_create(title, message, stock_icon1, button1_label, stock_icon2,
 108                           button2_label, stock_icon3, button3_label, focus,
 109                           can_disable, widget, alert_type);
 110         alertpanel_show();
 111
 112         debug_print("return value = %d\n", value);
 113         return value;
 114 }
 115
 116 AlertValue alertpanel(const gchar *title,
 117                       const gchar *message,
 118                       const gchar *stock_icon1,
 119                       const gchar *button1_label,
 120                       const gchar *stock_icon2,
 121                       const gchar *button2_label,
 122                       const gchar *stock_icon3,
 123                       const gchar *button3_label,
 124                       AlertFocus   focus)
 125 {
 126         return alertpanel_full(title, message, stock_icon1, button1_label, stock_icon2, button2_label,
 127                                stock_icon3, button3_label, focus, FALSE, NULL, ALERT_QUESTION);
 128 }
 129
 130 static void alertpanel_message(const gchar *title, const gchar *message, gint type)
 131 {
 132         if (alertpanel_is_open)
 133                 return;
 134         else {
 135                 alertpanel_is_open = TRUE;
 136                 hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 137         }
 138
 139         alertpanel_create(title, message, NULL, _("_Close"), NULL, NULL, NULL, NULL,
 140                           ALERTFOCUS_FIRST, FALSE, NULL, type);
 141         alertpanel_show();
 142 }
 143
 144 void alertpanel_notice(const gchar *format, ...)
 145 {
 146         va_list args;
 147         gchar buf[ALERT_PANEL_BUFSIZE];
 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(_("Notice"), buf, ALERT_NOTICE);
 155 }
 156
 157 void alertpanel_warning(const gchar *format, ...)
 158 {
 159         va_list args;
 160         gchar buf[ALERT_PANEL_BUFSIZE];
 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(_("Warning"), buf, ALERT_WARNING);
 168 }
 169
 170 void alertpanel_error(const gchar *format, ...)
 171 {
 172         va_list args;
 173         gchar buf[ALERT_PANEL_BUFSIZE];
 174
 175         va_start(args, format);
 176         g_vsnprintf(buf, sizeof(buf), format, args);
 177         va_end(args);
 178         strretchomp(buf);
 179
 180         alertpanel_message(_("Error"), buf, ALERT_ERROR);
 181 }
 182
 183 /*!
 184  *\brief        display an error with a View Log button
 185  *
 186  */
 187 void alertpanel_error_log(const gchar *format, ...)
 188 {
 189         va_list args;
 190         int val;
 191         MainWindow *mainwin;
 192         gchar buf[ALERT_PANEL_BUFSIZE];
 193
 194         va_start(args, format);
 195         g_vsnprintf(buf, sizeof(buf), format, args);
 196         va_end(args);
 197         strretchomp(buf);
 198
 199         mainwin = mainwindow_get_mainwindow();
 200
 201         if (mainwin && mainwin->logwin) {
 202                 mainwindow_clear_error(mainwin);
 203                 val = alertpanel_full(_("Error"), buf, NULL, _("_Close"), NULL,
 204                                       _("_View log"), NULL, NULL, ALERTFOCUS_FIRST,
 205                                       FALSE, NULL, ALERT_ERROR);
 206                 if (val == G_ALERTALTERNATE)
 207                         log_window_show(mainwin->logwin);
 208         } else
 209                 alertpanel_error("%s", buf);
 210 }
 211
 212 static void alertpanel_show(void)
 213 {
 214         GdkDisplay *display;
 215         GdkSeat    *seat;
 216         GdkDevice  *device;
 217         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 218         manage_window_set_transient(GTK_WINDOW(window));
 219         gtk_widget_show_all(window);
 220         value = G_ALERTWAIT;
 221
 222         display = gdk_display_get_default();
 223         seat = gdk_display_get_default_seat(display);
 224         device = gdk_seat_get_pointer(seat);
 225
 226         if (gdk_display_device_is_grabbed(display, device))
 227                 gdk_seat_ungrab(seat);
 228         inc_lock();
 229         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 230                 gtk_main_iteration();
 231
 232         gtk_widget_destroy(window);
 233         GTK_EVENTS_FLUSH();
 234
 235         alertpanel_is_open = FALSE;
 236         hooks_invoke(ALERTPANEL_OPENED_HOOKLIST, &alertpanel_is_open);
 237
 238         inc_unlock();
 239 }
 240
 241 static void alertpanel_create(const gchar *title,
 242                               const gchar *message,
 243                               const gchar *stock_icon1,
 244                               const gchar *button1_label,
 245                               const gchar *stock_icon2,
 246                               const gchar *button2_label,
 247                               const gchar *stock_icon3,
 248                               const gchar *button3_label,
 249                               AlertFocus   focus,
 250                               gboolean     can_disable,
 251                               GtkWidget   *custom_widget,
 252                               gint         alert_type)
 253 {
 254         static PangoFontDescription *font_desc;
 255         GtkWidget *image;
 256         GtkWidget *label;
 257         GtkWidget *hbox;
 258         GtkWidget *content_area;
 259         GtkWidget *vbox;
 260         GtkWidget *disable_checkbtn;
 261         GtkWidget *confirm_area;
 262         GtkWidget *button1;
 263         GtkWidget *button2;
 264         GtkWidget *button3;
 265         GtkWidget *focusbutton;
 266         const gchar *label2;
 267         const gchar *label3;
 268         gchar *tmp = title?g_markup_printf_escaped("%s", title)
 269                         :g_strdup("");
 270         gchar *title_full = g_strdup_printf("<span weight=\"bold\" "
 271                                 "size=\"larger\">%s</span>",
 272                                 tmp);
 273         g_free(tmp);
 274         debug_print("Creating alert panel window...\n");
 275
 276         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 277         manage_window_set_transient(GTK_WINDOW(window));
 278         gtk_window_set_title(GTK_WINDOW(window), title);
 279         gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
 280         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 281         gtk_window_set_default_size (GTK_WINDOW(window), 450, 200);
 282
 283         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 284         g_signal_connect(G_OBJECT(window), "delete_event",
 285                          G_CALLBACK(alertpanel_deleted),
 286                          (gpointer)G_ALERTCANCEL);
 287         g_signal_connect(G_OBJECT(window), "key_press_event",
 288                          G_CALLBACK(alertpanel_close),
 289                          (gpointer)G_ALERTCANCEL);
 290
 291         content_area = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 12);
 292         gtk_container_add (GTK_CONTAINER(window), content_area);
 293         /* for title icon, label and message */
 294         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 12);
 295         gtk_container_set_border_width(GTK_CONTAINER(hbox), 12);
 296
 297         gtk_container_add (GTK_CONTAINER(content_area), hbox);
 298
 299         /* title icon */
 300         switch (alert_type) {
 301         case ALERT_QUESTION:
 302                 image = gtk_image_new_from_icon_name
 303                         ("dialog-question", GTK_ICON_SIZE_DIALOG);
 304                 break;
 305         case ALERT_WARNING:
 306                 image = gtk_image_new_from_icon_name
 307                         ("dialog-warning", GTK_ICON_SIZE_DIALOG);
 308                 break;
 309         case ALERT_ERROR:
 310                 image = gtk_image_new_from_icon_name
 311                         ("dialog-error", GTK_ICON_SIZE_DIALOG);
 312                 break;
 313         case ALERT_NOTICE:
 314         default:
 315                 image = gtk_image_new_from_icon_name
 316                         ("dialog-information", GTK_ICON_SIZE_DIALOG);
 317                 break;
 318         }
 319         gtk_widget_set_halign(image, GTK_ALIGN_CENTER);
 320         gtk_widget_set_valign(image, GTK_ALIGN_START);
 321         gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 322
 323         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 12);
 324
 325         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 326         gtk_widget_show (vbox);
 327
 328         label = gtk_label_new(title_full);
 329         gtk_label_set_xalign(GTK_LABEL(label), 0.0);
 330         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 331         gtk_label_set_use_markup(GTK_LABEL (label), TRUE);
 332         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 333         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 334         if (!font_desc) {
 335                 gint size;
 336
 337                 size = pango_font_description_get_size
 338                         (gtk_widget_get_style(label)->font_desc);
 339                 font_desc = pango_font_description_new();
 340                 pango_font_description_set_weight
 341                         (font_desc, PANGO_WEIGHT_BOLD);
 342                 pango_font_description_set_size
 343                         (font_desc, size * PANGO_SCALE_LARGE);
 344         }
 345         if (font_desc)
 346                 gtk_widget_override_font(label, font_desc);
 347         g_free(title_full);
 348
 349         label = gtk_label_new(message);
 350         gtk_label_set_xalign(GTK_LABEL(label), 0.0);
 351         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 352         gtk_label_set_selectable(GTK_LABEL(label), TRUE);
 353         gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 354         gtk_widget_set_can_focus(label, FALSE);
 355         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 356         gtk_label_set_line_wrap_mode(GTK_LABEL(label), PANGO_WRAP_WORD_CHAR);
 357         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 358         gtk_widget_show(label);
 359
 360         /* Claws: custom widget */
 361         if (custom_widget) {
 362                 gtk_box_pack_start(GTK_BOX(vbox), custom_widget, FALSE,
 363                                    FALSE, 0);
 364         }
 365
 366         if (can_disable) {
 367                 hbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 368                 gtk_box_pack_start(GTK_BOX(vbox), hbox,
 369                                    FALSE, FALSE, 0);
 370
 371                 disable_checkbtn = gtk_check_button_new_with_label
 372                         (_("Show this message next time"));
 373                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_checkbtn),
 374                                              TRUE);
 375                 gtk_box_pack_start(GTK_BOX(hbox), disable_checkbtn,
 376                                    FALSE, FALSE, 12);
 377
 378                 g_signal_connect(G_OBJECT(disable_checkbtn), "toggled",
 379                                  G_CALLBACK(alertpanel_button_toggled),
 380                                  GUINT_TO_POINTER(G_ALERTDISABLE));
 381         }
 382
 383         /* for button(s) */
 384         if (!button1_label)
 385                 button1_label = _("_OK");
 386         label2 = button2_label;
 387         label3 = button3_label;
 388
 389         gtkut_stock_button_set_create(&confirm_area,
 390                                       &button1, stock_icon1, button1_label,
 391                                       button2_label ? &button2 : NULL, stock_icon2, label2,
 392                                       button3_label ? &button3 : NULL, stock_icon3, label3);
 393
 394         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 395
 396         /* Set focus on correct button as requested. */
 397         focusbutton = button1;
 398         switch (focus) {
 399                 case ALERTFOCUS_SECOND:
 400                         if (button2_label != NULL)
 401                                 focusbutton = button2;
 402                         break;
 403                 case ALERTFOCUS_THIRD:
 404                         if (button3_label != NULL)
 405                                 focusbutton = button3;
 406                         break;
 407                 case ALERTFOCUS_FIRST:
 408                 default:
 409                         focusbutton = button1;
 410                         break;
 411         }
 412         gtk_widget_grab_default(focusbutton);
 413         gtk_widget_grab_focus(focusbutton);
 414
 415         g_signal_connect(G_OBJECT(button1), "clicked",
 416                          G_CALLBACK(alertpanel_button_clicked),
 417                          GUINT_TO_POINTER(G_ALERTDEFAULT));
 418         if (button2_label)
 419                 g_signal_connect(G_OBJECT(button2), "clicked",
 420                                  G_CALLBACK(alertpanel_button_clicked),
 421                                  GUINT_TO_POINTER(G_ALERTALTERNATE));
 422         if (button3_label)
 423                 g_signal_connect(G_OBJECT(button3), "clicked",
 424                                  G_CALLBACK(alertpanel_button_clicked),
 425                                  GUINT_TO_POINTER(G_ALERTOTHER));
 426
 427         gtk_widget_show_all(window);
 428 }
 429
 430 static void alertpanel_button_toggled(GtkToggleButton *button,
 431                                       gpointer data)
 432 {
 433         if (gtk_toggle_button_get_active(button))
 434                 value &= ~GPOINTER_TO_UINT(data);
 435         else
 436                 value |= GPOINTER_TO_UINT(data);
 437 }
 438
 439 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 440 {
 441         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 442 }
 443
 444 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 445                                gpointer data)
 446 {
 447         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 448         return TRUE;
 449 }
 450
 451 static gboolean alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 452                                  gpointer data)
 453 {
 454         if (event->type == GDK_KEY_PRESS)
 455                 if (((GdkEventKey *)event)->keyval != GDK_KEY_Escape)
 456                         return FALSE;
 457
 458         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 459         return FALSE;
 460 }