src/inputdialog.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 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 <glib.h>
  25 #include <gdk/gdkkeysyms.h>
  26 #include <gtk/gtkmain.h>
  27 #include <gtk/gtkwidget.h>
  28 #include <gtk/gtkdialog.h>
  29 #include <gtk/gtkwindow.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkvbox.h>
  32 #include <gtk/gtkhbox.h>
  33 #include <gtk/gtklabel.h>
  34 #include <gtk/gtkentry.h>
  35 #include <gtk/gtkcombo.h>
  36 #include <gtk/gtkbutton.h>
  37 #include <gtk/gtkhbbox.h>
  38
  39 #include "intl.h"
  40 #include "inputdialog.h"
  41 #include "manage_window.h"
  42 #include "gtkutils.h"
  43 #include "utils.h"
  44
  45 #define INPUT_DIALOG_WIDTH      420
  46
  47 typedef enum
  48 {
  49         INPUT_DIALOG_NORMAL,
  50         INPUT_DIALOG_INVISIBLE,
  51         INPUT_DIALOG_COMBO
  52 } InputDialogType;
  53
  54 static gboolean ack;
  55 static gboolean fin;
  56
  57 static InputDialogType type;
  58
  59 static GtkWidget *dialog;
  60 static GtkWidget *msg_label;
  61 static GtkWidget *entry;
  62 static GtkWidget *combo;
  63 static GtkWidget *ok_button;
  64
  65 static void input_dialog_create (void);
  66 static gchar *input_dialog_open (const gchar    *title,
  67                                  const gchar    *message,
  68                                  const gchar    *default_string);
  69 static void input_dialog_set    (const gchar    *title,
  70                                  const gchar    *message,
  71                                  const gchar    *default_string);
  72
  73 static void ok_clicked          (GtkWidget      *widget,
  74                                  gpointer        data);
  75 static void cancel_clicked      (GtkWidget      *widget,
  76                                  gpointer        data);
  77 static gint delete_event        (GtkWidget      *widget,
  78                                  GdkEventAny    *event,
  79                                  gpointer        data);
  80 static void key_pressed         (GtkWidget      *widget,
  81                                  GdkEventKey    *event,
  82                                  gpointer        data);
  83 static void entry_activated     (GtkEditable    *editable);
  84 static void combo_activated     (GtkEditable    *editable);
  85
  86
  87 gchar *input_dialog(const gchar *title, const gchar *message,
  88                     const gchar *default_string)
  89 {
  90         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
  91
  92         if (!dialog)
  93                 input_dialog_create();
  94
  95         type = INPUT_DIALOG_NORMAL;
  96         gtk_widget_hide(combo);
  97         gtk_widget_show(entry);
  98         gtk_entry_set_visibility(GTK_ENTRY(entry), TRUE);
  99
 100         return input_dialog_open(title, message, default_string);
 101 }
 102
 103 gchar *input_dialog_with_invisible(const gchar *title, const gchar *message,
 104                                    const gchar *default_string)
 105 {
 106         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 107
 108         if (!dialog)
 109                 input_dialog_create();
 110
 111         type = INPUT_DIALOG_INVISIBLE;
 112         gtk_widget_hide(combo);
 113         gtk_widget_show(entry);
 114         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
 115
 116         return input_dialog_open(title, message, default_string);
 117 }
 118
 119 gchar *input_dialog_combo(const gchar *title, const gchar *message,
 120                           const gchar *default_string, GList *list,
 121                           gboolean case_sensitive)
 122 {
 123         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 124
 125         if (!dialog)
 126                 input_dialog_create();
 127
 128         type = INPUT_DIALOG_COMBO;
 129         gtk_widget_hide(entry);
 130         gtk_widget_show(combo);
 131
 132         if (!list) {
 133                 GList empty_list;
 134
 135                 empty_list.data = (gpointer)"";
 136                 empty_list.next = NULL;
 137                 empty_list.prev = NULL;
 138                 gtk_combo_set_popdown_strings(GTK_COMBO(combo), &empty_list);
 139         } else
 140                 gtk_combo_set_popdown_strings(GTK_COMBO(combo), list);
 141
 142         gtk_combo_set_case_sensitive(GTK_COMBO(combo), case_sensitive);
 143
 144         return input_dialog_open(title, message, default_string);
 145 }
 146
 147 gchar *input_dialog_query_password(const gchar *server, const gchar *user)
 148 {
 149         gchar *message;
 150         gchar *pass;
 151
 152         message = g_strdup_printf(_("Input password for %s on %s:"),
 153                                   user, server);
 154         pass = input_dialog_with_invisible(_("Input password"), message, NULL);
 155         g_free(message);
 156
 157         return pass;
 158 }
 159
 160 static void input_dialog_create(void)
 161 {
 162         GtkWidget *vbox;
 163         GtkWidget *hbox;
 164         GtkWidget *confirm_area;
 165         GtkWidget *cancel_button;
 166
 167         dialog = gtk_dialog_new();
 168         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 169         gtk_widget_set_usize(dialog, INPUT_DIALOG_WIDTH, -1);
 170         gtk_container_set_border_width
 171                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 172         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 173         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 174                            GTK_SIGNAL_FUNC(delete_event), NULL);
 175         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 176                            GTK_SIGNAL_FUNC(key_pressed), NULL);
 177         MANAGE_WINDOW_SIGNALS_CONNECT(dialog);
 178
 179         gtk_widget_realize(dialog);
 180
 181         vbox = gtk_vbox_new(FALSE, 8);
 182         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
 183         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
 184
 185         hbox = gtk_hbox_new(FALSE, 0);
 186         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 187
 188         msg_label = gtk_label_new("");
 189         gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
 190         gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_LEFT);
 191
 192         entry = gtk_entry_new();
 193         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 194         gtk_signal_connect(GTK_OBJECT(entry), "activate",
 195                            GTK_SIGNAL_FUNC(entry_activated), NULL);
 196
 197         combo = gtk_combo_new();
 198         gtk_box_pack_start(GTK_BOX(vbox), combo, FALSE, FALSE, 0);
 199         gtk_signal_connect(GTK_OBJECT(GTK_COMBO(combo)->entry), "activate",
 200                            GTK_SIGNAL_FUNC(combo_activated), NULL);
 201
 202         gtkut_button_set_create(&confirm_area,
 203                                 &ok_button,     _("OK"),
 204                                 &cancel_button, _("Cancel"),
 205                                 NULL, NULL);
 206         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 207                           confirm_area);
 208         gtk_widget_grab_default(ok_button);
 209
 210         gtk_signal_connect(GTK_OBJECT(ok_button), "clicked",
 211                            GTK_SIGNAL_FUNC(ok_clicked), NULL);
 212         gtk_signal_connect(GTK_OBJECT(cancel_button), "clicked",
 213                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 214
 215
 216         gtk_widget_show_all(GTK_DIALOG(dialog)->vbox);
 217 }
 218
 219 static gchar *input_dialog_open(const gchar *title, const gchar *message,
 220                                 const gchar *default_string)
 221 {
 222         gchar *str;
 223
 224         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 225
 226         if (!dialog)
 227                 input_dialog_create();
 228
 229         input_dialog_set(title, message, default_string);
 230         gtk_widget_show(dialog);
 231         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 232         manage_window_set_transient(GTK_WINDOW(dialog));
 233
 234         ack = fin = FALSE;
 235
 236         while (fin == FALSE)
 237                 gtk_main_iteration();
 238
 239         manage_window_focus_out(dialog, NULL, NULL);
 240         gtk_widget_hide(dialog);
 241
 242         if (ack) {
 243                 GtkEditable *editable;
 244
 245                 if (type == INPUT_DIALOG_COMBO)
 246                         editable = GTK_EDITABLE(GTK_COMBO(combo)->entry);
 247                 else
 248                         editable = GTK_EDITABLE(entry);
 249
 250                 str = gtk_editable_get_chars(editable, 0, -1);
 251                 if (str && *str == '\0') {
 252                         g_free(str);
 253                         str = NULL;
 254                 }
 255         } else
 256                 str = NULL;
 257
 258         GTK_EVENTS_FLUSH();
 259
 260         debug_print("return string = %s\n", str ? str : "(none)");
 261         return str;
 262 }
 263
 264 static void input_dialog_set(const gchar *title, const gchar *message,
 265                              const gchar *default_string)
 266 {
 267         GtkWidget *entry_;
 268
 269         if (type == INPUT_DIALOG_COMBO)
 270                 entry_ = GTK_COMBO(combo)->entry;
 271         else
 272                 entry_ = entry;
 273
 274         gtk_window_set_title(GTK_WINDOW(dialog), title);
 275         gtk_label_set_text(GTK_LABEL(msg_label), message);
 276         if (default_string && *default_string) {
 277                 gtk_entry_set_text(GTK_ENTRY(entry_), default_string);
 278                 gtk_entry_set_position(GTK_ENTRY(entry_), 0);
 279                 gtk_entry_select_region(GTK_ENTRY(entry_), 0, -1);
 280         } else
 281                 gtk_entry_set_text(GTK_ENTRY(entry_), "");
 282
 283         gtk_widget_grab_focus(ok_button);
 284         gtk_widget_grab_focus(entry_);
 285 }
 286
 287 static void ok_clicked(GtkWidget *widget, gpointer data)
 288 {
 289         ack = TRUE;
 290         fin = TRUE;
 291 }
 292
 293 static void cancel_clicked(GtkWidget *widget, gpointer data)
 294 {
 295         ack = FALSE;
 296         fin = TRUE;
 297 }
 298
 299 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 300 {
 301         ack = FALSE;
 302         fin = TRUE;
 303
 304         return TRUE;
 305 }
 306
 307 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 308 {
 309         if (event && event->keyval == GDK_Escape) {
 310                 ack = FALSE;
 311                 fin = TRUE;
 312         }
 313 }
 314
 315 static void entry_activated(GtkEditable *editable)
 316 {
 317         ack = TRUE;
 318         fin = TRUE;
 319 }
 320
 321 static void combo_activated(GtkEditable *editable)
 322 {
 323         ack = TRUE;
 324         fin = TRUE;
 325 }