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
  33 #define TITLE_FONT      "-*-helvetica-medium-r-normal--17-*-*-*-*-*-*-*," \
  34                         "-*-*-medium-r-normal--16-*-*-*-*-*-*-*,*"
  35 #define MESSAGE_FONT    "-*-helvetica-medium-r-normal--14-*-*-*-*-*-*-*," \
  36                         "-*-*-medium-r-normal--14-*-*-*-*-*-*-*,*"
  37 #define ALERT_PANEL_WIDTH       380
  38 #define TITLE_HEIGHT            72
  39 #define MESSAGE_HEIGHT          62
  40
  41 static gboolean alertpanel_is_open = FALSE;
  42 static AlertValue value;
  43
  44 static GtkWidget *dialog;
  45
  46 static void alertpanel_show             (void);
  47 static void alertpanel_create           (const gchar    *title,
  48                                          const gchar    *message,
  49                                          const gchar    *button1_label,
  50                                          const gchar    *button2_label,
  51                                          const gchar    *button3_label,
  52                                          gboolean        can_disable);
  53
  54 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  55                                          gpointer                data);
  56 static void alertpanel_button_clicked   (GtkWidget              *widget,
  57                                          gpointer                data);
  58 static gint alertpanel_deleted          (GtkWidget              *widget,
  59                                          GdkEventAny            *event,
  60                                          gpointer                data);
  61 static void alertpanel_close            (GtkWidget              *widget,
  62                                          GdkEventAny            *event,
  63                                          gpointer                data);
  64
  65 AlertValue alertpanel(const gchar *title,
  66                       const gchar *message,
  67                       const gchar *button1_label,
  68                       const gchar *button2_label,
  69                       const gchar *button3_label)
  70 {
  71         if (alertpanel_is_open)
  72                 return -1;
  73         else
  74                 alertpanel_is_open = TRUE;
  75
  76         alertpanel_create(title, message, button1_label, button2_label,
  77                           button3_label, FALSE);
  78         alertpanel_show();
  79
  80         debug_print("return value = %d\n", value);
  81         return value;
  82 }
  83
  84 void alertpanel_message(const gchar *title, const gchar *message)
  85 {
  86         if (alertpanel_is_open)
  87                 return;
  88         else
  89                 alertpanel_is_open = TRUE;
  90
  91         alertpanel_create(title, message, NULL, NULL, NULL, FALSE);
  92         alertpanel_show();
  93 }
  94
  95 AlertValue alertpanel_message_with_disable(const gchar *title,
  96                                            const gchar *message)
  97 {
  98         if (alertpanel_is_open)
  99                 return 0;
 100         else
 101                 alertpanel_is_open = TRUE;
 102
 103         alertpanel_create(title, message, NULL, NULL, NULL, TRUE);
 104         alertpanel_show();
 105
 106         return value;
 107 }
 108
 109 void alertpanel_notice(const gchar *format, ...)
 110 {
 111         va_list args;
 112         gchar buf[256];
 113
 114         va_start(args, format);
 115         g_vsnprintf(buf, sizeof(buf), format, args);
 116         va_end(args);
 117         strretchomp(buf);
 118
 119         alertpanel_message(_("Notice"), buf);
 120 }
 121
 122 void alertpanel_warning(const gchar *format, ...)
 123 {
 124         va_list args;
 125         gchar buf[256];
 126
 127         va_start(args, format);
 128         g_vsnprintf(buf, sizeof(buf), format, args);
 129         va_end(args);
 130         strretchomp(buf);
 131
 132         alertpanel_message(_("Warning"), buf);
 133 }
 134
 135 void alertpanel_error(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(_("Error"), buf);
 146 }
 147
 148 static void alertpanel_show(void)
 149 {
 150         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 151         manage_window_set_transient(GTK_WINDOW(dialog));
 152         value = G_ALERTWAIT;
 153
 154         /* ungrab the mouse events ? */
 155         if (gdk_pointer_is_grabbed())
 156                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 157
 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 }
 166
 167 static void alertpanel_create(const gchar *title,
 168                               const gchar *message,
 169                               const gchar *button1_label,
 170                               const gchar *button2_label,
 171                               const gchar *button3_label,
 172                               gboolean     can_disable)
 173 {
 174         static GdkFont *titlefont;
 175         GtkStyle *style;
 176         GtkWidget *label;
 177         GtkWidget *hbox;
 178         GtkWidget *vbox;
 179         GtkWidget *disable_chkbtn;
 180         GtkWidget *confirm_area;
 181         GtkWidget *button1;
 182         GtkWidget *button2;
 183         GtkWidget *button3;
 184         const gchar *label2;
 185         const gchar *label3;
 186
 187         debug_print(_("Creating alert panel dialog...\n"));
 188
 189         dialog = gtk_dialog_new();
 190         gtk_window_set_title(GTK_WINDOW(dialog), title);
 191         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 192         gtk_container_set_border_width
 193                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 194         gtk_window_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 195         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 196                            GTK_SIGNAL_FUNC(alertpanel_deleted),
 197                            (gpointer)G_ALERTOTHER);
 198         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 199                            GTK_SIGNAL_FUNC(alertpanel_close),
 200                            (gpointer)G_ALERTOTHER);
 201         gtk_widget_realize(dialog);
 202
 203         /* for title label */
 204         hbox = gtk_hbox_new(FALSE, 0);
 205         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 206                            hbox, TRUE, TRUE, 16);
 207
 208         /* title label */
 209         //pixmapwid = create_pixmapwid(dialog, GNUstep_xpm);
 210         //gtk_box_pack_start(GTK_BOX(hbox), pixmapwid, FALSE, FALSE, 16);
 211         label = gtk_label_new(title);
 212         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 16);
 213         style = gtk_style_copy(gtk_widget_get_style(label));
 214         if (!titlefont)
 215                 titlefont = gdk_fontset_load(TITLE_FONT);
 216         if (titlefont)
 217                 style->font = titlefont;
 218         gtk_widget_set_style(label, style);
 219
 220         /* for message and button(s) */
 221         vbox = gtk_vbox_new(FALSE, 0);
 222         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 223                           vbox);
 224
 225         /* for message label */
 226         hbox = gtk_hbox_new(FALSE, 0);
 227         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 20);
 228
 229         /* message label */
 230         label = gtk_label_new(message);
 231         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 32);
 232         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 233
 234         /* for button(s) */
 235         if (!button1_label)
 236                 button1_label = _("OK");
 237         label2 = button2_label;
 238         label3 = button3_label;
 239         if (label2 && *label2 == '+') label2++;
 240         if (label3 && *label3 == '+') label3++;
 241
 242         gtkut_button_set_create(&confirm_area,
 243                                 &button1, button1_label,
 244                                 button2_label ? &button2 : NULL, label2,
 245                                 button3_label ? &button3 : NULL, label3);
 246
 247         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 248         gtk_widget_grab_default(button1);
 249         gtk_widget_grab_focus(button1);
 250         if (button2_label && *button2_label == '+') {
 251                 gtk_widget_grab_default(button2);
 252                 gtk_widget_grab_focus(button2);
 253         }
 254         if (button3_label && *button3_label == '+') {
 255                 gtk_widget_grab_default(button3);
 256                 gtk_widget_grab_focus(button3);
 257         }
 258
 259         gtk_signal_connect(GTK_OBJECT(button1), "clicked",
 260                            GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 261                            GUINT_TO_POINTER(G_ALERTDEFAULT));
 262         if (button2_label)
 263                 gtk_signal_connect(GTK_OBJECT(button2), "clicked",
 264                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 265                                    GUINT_TO_POINTER(G_ALERTALTERNATE));
 266         if (button3_label)
 267                 gtk_signal_connect(GTK_OBJECT(button3), "clicked",
 268                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 269                                    GUINT_TO_POINTER(G_ALERTOTHER));
 270
 271         if (can_disable) {
 272                 disable_chkbtn = gtk_check_button_new_with_label
 273                         (_("Show this message next time"));
 274                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 275                                              TRUE);
 276                 gtk_box_pack_end(GTK_BOX(vbox), disable_chkbtn,
 277                                  FALSE, FALSE, 0);
 278                 gtk_signal_connect(GTK_OBJECT(disable_chkbtn), "toggled",
 279                                    GTK_SIGNAL_FUNC(alertpanel_button_toggled),
 280                                    GUINT_TO_POINTER(G_ALERTDISABLE));
 281         }
 282
 283         gtk_widget_show_all(dialog);
 284 }
 285
 286 static void alertpanel_button_toggled(GtkToggleButton *button,
 287                                       gpointer data)
 288 {
 289         if (gtk_toggle_button_get_active(button))
 290                 value &= ~GPOINTER_TO_UINT(data);
 291         else
 292                 value |= GPOINTER_TO_UINT(data);
 293 }
 294
 295 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 296 {
 297         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 298 }
 299
 300 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 301                                gpointer data)
 302 {
 303         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 304         return TRUE;
 305 }
 306
 307 static void alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 308                              gpointer data)
 309 {
 310         if (event->type == GDK_KEY_PRESS)
 311                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 312                         return;
 313
 314         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 315 }