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 <gtk/gtk.h>
  25 #include <gdk/gdkkeysyms.h>
  26
  27 #include "intl.h"
  28 #include "alertpanel.h"
  29 #include "manage_window.h"
  30 #include "utils.h"
  31 #include "gtkutils.h"
  32 #include "inc.h"
  33
  34 #define TITLE_FONT      "-*-helvetica-medium-r-normal--17-*-*-*-*-*-*-*," \
  35                         "-*-*-medium-r-normal--16-*-*-*-*-*-*-*,*"
  36 #define MESSAGE_FONT    "-*-helvetica-medium-r-normal--14-*-*-*-*-*-*-*," \
  37                         "-*-*-medium-r-normal--14-*-*-*-*-*-*-*,*"
  38 #define ALERT_PANEL_WIDTH       380
  39 #define TITLE_HEIGHT            72
  40 #define MESSAGE_HEIGHT          62
  41
  42 static gboolean alertpanel_is_open = FALSE;
  43 static AlertValue value;
  44
  45 static GtkWidget *dialog;
  46
  47 static void alertpanel_show             (void);
  48 static void alertpanel_create           (const gchar    *title,
  49                                          const gchar    *message,
  50                                          const gchar    *button1_label,
  51                                          const gchar    *button2_label,
  52                                          const gchar    *button3_label,
  53                                          gboolean        can_disable);
  54
  55 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  56                                          gpointer                data);
  57 static void alertpanel_button_clicked   (GtkWidget              *widget,
  58                                          gpointer                data);
  59 static gint alertpanel_deleted          (GtkWidget              *widget,
  60                                          GdkEventAny            *event,
  61                                          gpointer                data);
  62 static void alertpanel_close            (GtkWidget              *widget,
  63                                          GdkEventAny            *event,
  64                                          gpointer                data);
  65
  66 AlertValue alertpanel(const gchar *title,
  67                       const gchar *message,
  68                       const gchar *button1_label,
  69                       const gchar *button2_label,
  70                       const gchar *button3_label)
  71 {
  72         if (alertpanel_is_open)
  73                 return -1;
  74         else
  75                 alertpanel_is_open = TRUE;
  76
  77         alertpanel_create(title, message, button1_label, button2_label,
  78                           button3_label, FALSE);
  79         alertpanel_show();
  80
  81         debug_print("return value = %d\n", value);
  82         return value;
  83 }
  84
  85 void alertpanel_message(const gchar *title, const gchar *message)
  86 {
  87         if (alertpanel_is_open)
  88                 return;
  89         else
  90                 alertpanel_is_open = TRUE;
  91
  92         alertpanel_create(title, message, NULL, NULL, NULL, FALSE);
  93         alertpanel_show();
  94 }
  95
  96 AlertValue alertpanel_message_with_disable(const gchar *title,
  97                                            const gchar *message)
  98 {
  99         if (alertpanel_is_open)
 100                 return 0;
 101         else
 102                 alertpanel_is_open = TRUE;
 103
 104         alertpanel_create(title, message, NULL, NULL, NULL, TRUE);
 105         alertpanel_show();
 106
 107         return value;
 108 }
 109
 110 void alertpanel_notice(const gchar *format, ...)
 111 {
 112         va_list args;
 113         gchar buf[256];
 114
 115         va_start(args, format);
 116         g_vsnprintf(buf, sizeof(buf), format, args);
 117         va_end(args);
 118         strretchomp(buf);
 119
 120         alertpanel_message(_("Notice"), buf);
 121 }
 122
 123 void alertpanel_warning(const gchar *format, ...)
 124 {
 125         va_list args;
 126         gchar buf[256];
 127
 128         va_start(args, format);
 129         g_vsnprintf(buf, sizeof(buf), format, args);
 130         va_end(args);
 131         strretchomp(buf);
 132
 133         alertpanel_message(_("Warning"), buf);
 134 }
 135
 136 void alertpanel_error(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(_("Error"), buf);
 147 }
 148
 149 static void alertpanel_show(void)
 150 {
 151         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 152         manage_window_set_transient(GTK_WINDOW(dialog));
 153         value = G_ALERTWAIT;
 154
 155         if (gdk_pointer_is_grabbed())
 156                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 157         inc_lock();
 158         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 159                 gtk_main_iteration();
 160
 161         gtk_widget_destroy(dialog);
 162         GTK_EVENTS_FLUSH();
 163
 164         alertpanel_is_open = FALSE;
 165         inc_unlock();
 166 }
 167
 168 static void alertpanel_create(const gchar *title,
 169                               const gchar *message,
 170                               const gchar *button1_label,
 171                               const gchar *button2_label,
 172                               const gchar *button3_label,
 173                               gboolean     can_disable)
 174 {
 175         static GdkFont *titlefont;
 176         GtkStyle *style;
 177         GtkWidget *label;
 178         GtkWidget *hbox;
 179         GtkWidget *vbox;
 180         GtkWidget *disable_chkbtn;
 181         GtkWidget *confirm_area;
 182         GtkWidget *button1;
 183         GtkWidget *button2;
 184         GtkWidget *button3;
 185         const gchar *label2;
 186         const gchar *label3;
 187
 188         debug_print(_("Creating alert panel dialog...\n"));
 189
 190         dialog = gtk_dialog_new();
 191         gtk_window_set_title(GTK_WINDOW(dialog), title);
 192         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 193         gtk_container_set_border_width
 194                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 195         gtk_window_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 196         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 197                            GTK_SIGNAL_FUNC(alertpanel_deleted),
 198                            (gpointer)G_ALERTOTHER);
 199         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 200                            GTK_SIGNAL_FUNC(alertpanel_close),
 201                            (gpointer)G_ALERTOTHER);
 202         gtk_widget_realize(dialog);
 203
 204         /* for title label */
 205         hbox = gtk_hbox_new(FALSE, 0);
 206         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 207                            hbox, TRUE, TRUE, 16);
 208
 209         /* title label */
 210         /* pixmapwid = create_pixmapwid(dialog, GNUstep_xpm); */
 211         /* gtk_box_pack_start(GTK_BOX(hbox), pixmapwid, FALSE, FALSE, 16); */
 212         label = gtk_label_new(title);
 213         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 16);
 214         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 215         style = gtk_style_copy(gtk_widget_get_style(label));
 216         if (!titlefont)
 217                 titlefont = gdk_fontset_load(TITLE_FONT);
 218         if (titlefont)
 219                 style->font = titlefont;
 220         gtk_widget_set_style(label, style);
 221
 222         /* for message and button(s) */
 223         vbox = gtk_vbox_new(FALSE, 0);
 224         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 225                           vbox);
 226
 227         /* for message label */
 228         hbox = gtk_hbox_new(FALSE, 0);
 229         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 20);
 230
 231         /* message label */
 232         label = gtk_label_new(message);
 233         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 32);
 234         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 235         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 236
 237         /* for button(s) */
 238         if (!button1_label)
 239                 button1_label = _("OK");
 240         label2 = button2_label;
 241         label3 = button3_label;
 242         if (label2 && *label2 == '+') label2++;
 243         if (label3 && *label3 == '+') label3++;
 244
 245         gtkut_button_set_create(&confirm_area,
 246                                 &button1, button1_label,
 247                                 button2_label ? &button2 : NULL, label2,
 248                                 button3_label ? &button3 : NULL, label3);
 249
 250         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 251         gtk_widget_grab_default(button1);
 252         gtk_widget_grab_focus(button1);
 253         if (button2_label && *button2_label == '+') {
 254                 gtk_widget_grab_default(button2);
 255                 gtk_widget_grab_focus(button2);
 256         }
 257         if (button3_label && *button3_label == '+') {
 258                 gtk_widget_grab_default(button3);
 259                 gtk_widget_grab_focus(button3);
 260         }
 261
 262         gtk_signal_connect(GTK_OBJECT(button1), "clicked",
 263                            GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 264                            GUINT_TO_POINTER(G_ALERTDEFAULT));
 265         if (button2_label)
 266                 gtk_signal_connect(GTK_OBJECT(button2), "clicked",
 267                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 268                                    GUINT_TO_POINTER(G_ALERTALTERNATE));
 269         if (button3_label)
 270                 gtk_signal_connect(GTK_OBJECT(button3), "clicked",
 271                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 272                                    GUINT_TO_POINTER(G_ALERTOTHER));
 273
 274         if (can_disable) {
 275                 disable_chkbtn = gtk_check_button_new_with_label
 276                         (_("Show this message next time"));
 277                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 278                                              TRUE);
 279                 gtk_box_pack_end(GTK_BOX(vbox), disable_chkbtn,
 280                                  FALSE, FALSE, 0);
 281                 gtk_signal_connect(GTK_OBJECT(disable_chkbtn), "toggled",
 282                                    GTK_SIGNAL_FUNC(alertpanel_button_toggled),
 283                                    GUINT_TO_POINTER(G_ALERTDISABLE));
 284         }
 285
 286         gtk_widget_show_all(dialog);
 287 }
 288
 289 static void alertpanel_button_toggled(GtkToggleButton *button,
 290                                       gpointer data)
 291 {
 292         if (gtk_toggle_button_get_active(button))
 293                 value &= ~GPOINTER_TO_UINT(data);
 294         else
 295                 value |= GPOINTER_TO_UINT(data);
 296 }
 297
 298 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 299 {
 300         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 301 }
 302
 303 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 304                                gpointer data)
 305 {
 306         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 307         return TRUE;
 308 }
 309
 310 static void alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 311                              gpointer data)
 312 {
 313         if (event->type == GDK_KEY_PRESS)
 314                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 315                         return;
 316
 317         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 318 }