src/alertpanel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 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 static void alertpanel_button_toggled   (GtkToggleButton *button,
  54                                          gpointer        data);
  55 static void alertpanel_button_clicked   (GtkWidget      *widget,
  56                                          gpointer        data);
  57 static void alertpanel_close            (GtkWidget      *widget,
  58                                          GdkEventAny    *event,
  59                                          gpointer        data);
  60
  61 AlertValue alertpanel(const gchar *title,
  62                       const gchar *message,
  63                       const gchar *button1_label,
  64                       const gchar *button2_label,
  65                       const gchar *button3_label)
  66 {
  67         if (alertpanel_is_open)
  68                 return -1;
  69         else
  70                 alertpanel_is_open = TRUE;
  71
  72         alertpanel_create(title, message, button1_label, button2_label,
  73                           button3_label, FALSE);
  74         alertpanel_show();
  75
  76         debug_print("return value = %d\n", value);
  77         return value;
  78 }
  79
  80 void alertpanel_message(const gchar *title, const gchar *message)
  81 {
  82         if (alertpanel_is_open)
  83                 return;
  84         else
  85                 alertpanel_is_open = TRUE;
  86
  87         alertpanel_create(title, message, NULL, NULL, NULL, FALSE);
  88         alertpanel_show();
  89 }
  90
  91 AlertValue alertpanel_message_with_disable(const gchar  *title,
  92                                            const gchar  *message)
  93 {
  94         if (alertpanel_is_open)
  95                 return;
  96         else
  97                 alertpanel_is_open = TRUE;
  98
  99         alertpanel_create(title, message, NULL, NULL, NULL, TRUE);
 100         alertpanel_show();
 101         return value;
 102 }
 103
 104 void alertpanel_notice(const gchar *format, ...)
 105 {
 106         va_list args;
 107         gchar buf[256];
 108
 109         va_start(args, format);
 110         g_vsnprintf(buf, sizeof(buf), format, args);
 111         va_end(args);
 112         strretchomp(buf);
 113
 114         alertpanel_message(_("Notice"), buf);
 115 }
 116
 117 void alertpanel_warning(const gchar *format, ...)
 118 {
 119         va_list args;
 120         gchar buf[256];
 121
 122         va_start(args, format);
 123         g_vsnprintf(buf, sizeof(buf), format, args);
 124         va_end(args);
 125         strretchomp(buf);
 126
 127         alertpanel_message(_("Warning"), buf);
 128 }
 129
 130 void alertpanel_error(const gchar *format, ...)
 131 {
 132         va_list args;
 133         gchar buf[256];
 134
 135         va_start(args, format);
 136         g_vsnprintf(buf, sizeof(buf), format, args);
 137         va_end(args);
 138         strretchomp(buf);
 139
 140         alertpanel_message(_("Error"), buf);
 141 }
 142
 143 static void alertpanel_show(void)
 144 {
 145         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 146         manage_window_set_transient(GTK_WINDOW(dialog));
 147         value = G_ALERTWAIT;
 148
 149         while ((value & G_ALERT_VALUE_MASK) == G_ALERTWAIT)
 150                 gtk_main_iteration();
 151
 152         gtk_widget_destroy(dialog);
 153         GTK_EVENTS_FLUSH();
 154
 155         alertpanel_is_open = FALSE;
 156 }
 157
 158 static void alertpanel_create(const gchar *title,
 159                               const gchar *message,
 160                               const gchar *button1_label,
 161                               const gchar *button2_label,
 162                               const gchar *button3_label,
 163                               gboolean     can_disable)
 164 {
 165         static GdkFont *titlefont;
 166         GtkStyle *style;
 167         GtkWidget *label;
 168         GtkWidget *hbox;
 169         GtkWidget *vbox;
 170         GtkWidget *confirm_area;
 171         GtkWidget *button1;
 172         GtkWidget *button2;
 173         GtkWidget *button3;
 174         const gchar *label2;
 175         const gchar *label3;
 176         GtkWidget *hbox2;
 177         GtkWidget *disable_chkbtn;
 178         GtkWidget *box_for_buttons;
 179
 180         debug_print(_("Creating alert panel dialog...\n"));
 181
 182         dialog = gtk_dialog_new();
 183         gtk_window_set_title(GTK_WINDOW(dialog), title);
 184         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 185         gtk_container_set_border_width
 186                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 187         gtk_window_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 188         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 189                            GTK_SIGNAL_FUNC(alertpanel_close),
 190                            (gpointer)G_ALERTOTHER);
 191         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 192                            GTK_SIGNAL_FUNC(alertpanel_close),
 193                            (gpointer)G_ALERTOTHER);
 194         gtk_widget_realize(dialog);
 195
 196         /* for title label */
 197         hbox = gtk_hbox_new(FALSE, 0);
 198         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
 199                            hbox, TRUE, TRUE, 16);
 200
 201         /* title label */
 202         //pixmapwid = create_pixmapwid(dialog, GNUstep_xpm);
 203         //gtk_box_pack_start(GTK_BOX(hbox), pixmapwid, FALSE, FALSE, 16);
 204         label = gtk_label_new(title);
 205         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 16);
 206         style = gtk_style_copy(gtk_widget_get_style(label));
 207         if (!titlefont)
 208                 titlefont = gdk_fontset_load(TITLE_FONT);
 209         if (titlefont)
 210                 style->font = titlefont;
 211         gtk_widget_set_style(label, style);
 212
 213         /* for message and button(s) */
 214         vbox = gtk_vbox_new(FALSE, 0);
 215         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 216                           vbox);
 217
 218         /* for message label */
 219         hbox = gtk_hbox_new(FALSE, 0);
 220         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 20);
 221
 222         /* message label */
 223         label = gtk_label_new(message);
 224         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 32);
 225         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 226
 227         /* for button(s) */
 228         if (!button1_label)
 229                 button1_label = _("OK");
 230         label2 = button2_label;
 231         label3 = button3_label;
 232         if (label2 && *label2 == '+') label2++;
 233         if (label3 && *label3 == '+') label3++;
 234
 235         gtkut_button_set_create(&confirm_area,
 236                                 &button1, button1_label,
 237                                 button2_label ? &button2 : NULL, label2,
 238                                 button3_label ? &button3 : NULL, label3);
 239
 240         if (can_disable) {
 241                 hbox2 = gtk_hbox_new(FALSE, 8);
 242                 gtk_box_pack_end(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
 243                 disable_chkbtn = gtk_check_button_new_with_label
 244                         (_("Show this message next time"));
 245                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(disable_chkbtn),
 246                                              TRUE);
 247                 gtk_signal_connect(GTK_OBJECT(disable_chkbtn), "toggled",
 248                                    GTK_SIGNAL_FUNC(alertpanel_button_toggled),
 249                                    GUINT_TO_POINTER(G_ALERTDISABLE));
 250                 gtk_box_pack_start(GTK_BOX(hbox2), disable_chkbtn,
 251                                    TRUE, TRUE, 0);
 252                 box_for_buttons = hbox2;
 253         } else
 254                 box_for_buttons = vbox;
 255
 256         gtk_box_pack_end(GTK_BOX(box_for_buttons), confirm_area,
 257                          FALSE, FALSE, 0);
 258         gtk_widget_grab_default(button1);
 259         gtk_widget_grab_focus(button1);
 260         if (button2_label && *button2_label == '+') {
 261                 gtk_widget_grab_default(button2);
 262                 gtk_widget_grab_focus(button2);
 263         }
 264         if (button3_label && *button3_label == '+') {
 265                 gtk_widget_grab_default(button3);
 266                 gtk_widget_grab_focus(button3);
 267         }
 268
 269         gtk_signal_connect(GTK_OBJECT(button1), "clicked",
 270                            GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 271                            (gpointer)G_ALERTDEFAULT);
 272         if (button2_label)
 273                 gtk_signal_connect(GTK_OBJECT(button2), "clicked",
 274                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 275                                    (gpointer)G_ALERTALTERNATE);
 276         if (button3_label)
 277                 gtk_signal_connect(GTK_OBJECT(button3), "clicked",
 278                                    GTK_SIGNAL_FUNC(alertpanel_button_clicked),
 279                                    (gpointer)G_ALERTOTHER);
 280
 281         gtk_widget_show_all(dialog);
 282 }
 283
 284 static void alertpanel_button_toggled(GtkToggleButton *button,
 285                                       gpointer data)
 286 {
 287         if (gtk_toggle_button_get_active(button))
 288                 value &= ~GPOINTER_TO_UINT(data);
 289         else
 290                 value |= GPOINTER_TO_UINT(data);
 291 }
 292
 293 static void alertpanel_button_clicked(GtkWidget *widget, gpointer data)
 294 {
 295         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 296 }
 297
 298 static void alertpanel_close(GtkWidget *widget, GdkEventAny *event,
 299                              gpointer data)
 300 {
 301         if (event->type == GDK_KEY_PRESS)
 302                 if (((GdkEventKey *)event)->keyval != GDK_Escape)
 303                         return;
 304
 305         value = (value & ~G_ALERT_VALUE_MASK) | (AlertValue)data;
 306 }