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