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                                          GtkWidget      *custom_widget);
  55
  56 static void alertpanel_button_toggled   (GtkToggleButton        *button,
  57                                          gpointer                data);
  58 static void alertpanel_button_clicked   (GtkWidget              *widget,
  59                                          gpointer                data);
  60 static gint alertpanel_deleted          (GtkWidget              *widget,
  61                                          GdkEventAny            *event,
  62                                          gpointer                data);
  63 static void alertpanel_close            (GtkWidget              *widget,
  64                                          GdkEventAny            *event,
  65                                          gpointer                data);
  66
  67 AlertValue alertpanel(const gchar *title,
  68                       const gchar *message,
  69                       const gchar *button1_label,
  70                       const gchar *button2_label,
  71                       const gchar *button3_label)
  72 {
  73         if (alertpanel_is_open)
  74                 return -1;
  75         else
  76                 alertpanel_is_open = TRUE;
  77
  78         alertpanel_create(title, message, button1_label, button2_label,
  79                           button3_label, FALSE, NULL);
  80         alertpanel_show();
  81
  82         debug_print("return value = %d\n", value);
  83         return value;
  84 }
  85
  86 AlertValue alertpanel_with_widget(const gchar *title,
  87                                   const gchar *message,
  88                                   const gchar *button1_label,
  89                                   const gchar *button2_label,
  90                                   const gchar *button3_label,
  91                                   GtkWidget *widget)
  92 {
  93         if (alertpanel_is_open)
  94                 return -1;
  95         else
  96                 alertpanel_is_open = TRUE;
  97         alertpanel_create(title, message, button1_label, button2_label,
  98                           button3_label, FALSE, widget);
  99         alertpanel_show();
 100
 101         debug_print("return value = %d\n", value);
 102         return value;
 103 }
 104 void alertpanel_message(const gchar *title, const gchar *message)
 105 {
 106         if (alertpanel_is_open)
 107                 return;
 108         else
 109                 alertpanel_is_open = TRUE;
 110
 111         alertpanel_create(title, message, NULL, NULL, NULL, FALSE, NULL);
 112         alertpanel_show();
 113 }
 114
 115 AlertValue alertpanel_message_with_disable(const gchar *title,
 116                                            const gchar *message)
 117 {
 118         if (alertpanel_is_open)
 119                 return 0;
 120         else
 121                 alertpanel_is_open = TRUE;
 122
 123         alertpanel_create(title, message, NULL, NULL, NULL, TRUE, NULL);
 124         alertpanel_show();
 125
 126         return value;
 127 }
 128
 129 void alertpanel_notice(const gchar *format, ...)
 130 {
 131         va_list args;
 132         gchar buf[256];
 133
 134         va_start(args, format);
 135         g_vsnprintf(buf, sizeof(buf), format, args);
 136         va_end(args);
 137         strretchomp(buf);
 138
 139         alertpanel_message(_("Notice"), buf);
 140 }
 141
 142 void alertpanel_warning(const gchar *format, ...)
 143 {
 144         va_list args;
 145         gchar buf[256];
 146
 147         va_start(args, format);
 148         g_vsnprintf(buf, sizeof(buf), format, args);
 149         va_end(args);
 150         strretchomp(buf);
 151
 152         alertpanel_message(_("Warning"), buf);
 153 }
 154
 155 void alertpanel_error(const gchar *format, ...)
 156 {
 157         va_list args;
 158         gchar buf[256];
 159
 160         va_start(args, format);
 161         g_vsnprintf(buf, sizeof(buf), format, args);
 162         va_end(args);
 163         strretchomp(buf);
 164
 165         alertpanel_message(_("Error"), buf);
 166 }
 167
 168 static void alertpanel_show(void)
 169 {
 170         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 171         manage_window_set_transient(GTK_WINDOW(dialog));
 172         value = G_ALERTWAIT;
 173
 174         if (gdk_pointer_is_grabbed())
 175                 gdk_pointer_ungrab(GDK_CURRENT_TIME);
 176         inc_lock();
 177         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 178                 gtk_main_iteration();
 179
 180         gtk_widget_destroy(dialog);
 181         GTK_EVENTS_FLUSH();
 182
 183         alertpanel_is_open = FALSE;
 184         inc_unlock();
 185 }
 186
 187 static void alertpanel_create(const gchar *title,
 188                               const gchar *message,
 189                               const gchar *button1_label,
 190                               const gchar *button2_label,
 191                               const gchar *button3_label,
 192                               gboolean     can_disable,
 193                               GtkWidget *custom_widget)
 194 {
 195         static GdkFont *titlefont;
 196         GtkStyle *style;
 197         GtkWidget *label;
 198         GtkWidget *hbox;
 199         GtkWidget *vbox;
 200         GtkWidget *vbox2;
 201         GtkWidget *disable_chkbtn;
 202         GtkWidget *confirm_area;
 203         GtkWidget *button1;
 204         GtkWidget *button2;
 205         GtkWidget *button3;
 206         const gchar *label2;
 207         const gchar *label3;
 208
 209         debug_print(_("Creating alert panel dialog...\n"));
 210
 211         dialog = gtk_dialog_new();
 212         gtk_window_set_title(GTK_WINDOW(dialog), title);
 213         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 214         gtk_container_set_border_width
 215                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 216         gtk_window_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 217         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 218                            GTK_SIGNAL_FUNC(alertpanel_deleted),
 219                            (gpointer)G_ALERTOTHER);
 220         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 221                            GTK_SIGNAL_FUNC(alertpanel_close),
 222                            (gpointer)G_ALERTOTHER);
 223         gtk_widget_realize(dialog);
 224
 225         /* for title label */
 226         hbox = gtk_hbox_new(FALSE, 0);
 227         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 228                            hbox, TRUE, TRUE, 16);
 229
 230         /* title label */
 231         /* pixmapwid = create_pixmapwid(dialog, GNUstep_xpm); */
 232         /* gtk_box_pack_start(GTK_BOX(hbox), pixmapwid, FALSE, FALSE, 16); */
 233         label = gtk_label_new(title);
 234         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 16);
 235         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 236         style = gtk_style_copy(gtk_widget_get_style(label));
 237         if (!titlefont)
 238                 titlefont = gdk_fontset_load(TITLE_FONT);
 239         if (titlefont)
 240                 style->font = titlefont;
 241         gtk_widget_set_style(label, style);
 242
 243         /* for message and button(s) */
 244         vbox = gtk_vbox_new(FALSE, 0);
 245         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 246                           vbox);
 247         vbox2 = gtk_vbox_new(FALSE, 0);
 248         gtk_container_set_border_width(GTK_CONTAINER(vbox2), 20);
 249         gtk_box_pack_start(GTK_BOX(vbox), vbox2, TRUE, TRUE, 0);
 250
 251         /* for message label */
 252         hbox = gtk_hbox_new(FALSE, 0);
 253         gtk_box_pack_start(GTK_BOX(vbox2), hbox, FALSE, FALSE, 0);
 254
 255         /* message label */
 256         label = gtk_label_new(message);
 257         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 12);
 258         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 259         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 260
 261         /* custom widget */
 262         if (custom_widget) {
 263                 GtkWidget *hbox2 = gtk_hbox_new(FALSE, 0);
 264                 gtk_box_pack_start(GTK_BOX(vbox2), hbox2, FALSE, FALSE, 0);
 265                 gtk_box_pack_start(GTK_BOX(hbox2), custom_widget, FALSE, FALSE,
 266                                    12);
 267         }
 268         /* for button(s) */
 269         if (!button1_label)
 270                 button1_label = _("OK");
 271         label2 = button2_label;
 272         label3 = button3_label;
 273         if (label2 && *label2 == '+') label2++;
 274         if (label3 && *label3 == '+') label3++;
 275
 276         gtkut_button_set_create(&confirm_area,
 277                                 &button1, button1_label,
 278                                 button2_label ? &button2 : NULL, label2,
 279                                 button3_label ? &button3 : NULL, label3);
 280
 281         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 282         gtk_widget_grab_default(button1);
 283         gtk_widget_grab_focus(button1);
 284         if (button2_label && *button2_label == '+') {
 285                 gtk_widget_grab_default(button2);
 286                 gtk_widget_grab_focus(button2);
 287         }
 288         if (button3_label && *button3_label == '+') {
 289                 gtk_widget_grab_default(button3);
 290                 gtk_widget_grab_focus(button3);
 291         }
 292
 293         gtk_signal_connect(GTK_OBJECT(button1), "clicked",
 294                            GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 295                            GUINT_TO_POINTER(G_ALERTDEFAULT));
 296         if (button2_label)
 297                 gtk_signal_connect(GTK_OBJECT(button2), "clicked",
 298                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 299                                    GUINT_TO_POINTER(G_ALERTALTERNATE));
 300         if (button3_label)
 301                 gtk_signal_connect(GTK_OBJECT(button3), "clicked",
 302                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 303                                    GUINT_TO_POINTER(G_ALERTOTHER));
 304
 305         if (can_disable) {
 306                 disable_chkbtn = gtk_check_button_new_with_label
 307                         (_("Show this message next time"));
 308                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 309                                              TRUE);
 310                 gtk_box_pack_end(GTK_BOX(vbox), disable_chkbtn,
 311                                  FALSE, FALSE, 0);
 312                 gtk_signal_connect(GTK_OBJECT(disable_chkbtn), "toggled",
 313                                    GTK_SIGNAL_FUNC(alertpanel_button_toggled),
 314                                    GUINT_TO_POINTER(G_ALERTDISABLE));
 315         }
 316
 317         gtk_widget_show_all(dialog);
 318 }
 319
 320 static void alertpanel_button_toggled(GtkToggleButton *button,
 321                                       gpointer data)
 322 {
 323         if (gtk_toggle_button_get_active(button))
 324                 value &= ~GPOINTER_TO_UINT(data);
 325         else
 326                 value |= GPOINTER_TO_UINT(data);
 327 }
 328
 329 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 330 {
 331         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 332 }
 333
 334 static gint alertpanel_deleted(GtkWidget *widget, GdkEventAny *event,
 335                                gpointer data)
 336 {
 337         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 338         return TRUE;
 339 }
 340
 341 static void alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 342                              gpointer data)
 343 {
 344         if (event->type == GDK_KEY_PRESS)
 345                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 346                         return;
 347
 348         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 349 }