src/inputdialog.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 <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
  56 static InputDialogType type;
  57
  58 static GtkWidget *dialog;
  59 static GtkWidget *msg_label;
  60 static GtkWidget *entry;
  61 static GtkWidget *combo;
  62 static GtkWidget *ok_button;
  63
  64 static void input_dialog_create (void);
  65 static gchar *input_dialog_open (const gchar    *title,
  66                                  const gchar    *message,
  67                                  const gchar    *default_string);
  68 static void input_dialog_set    (const gchar    *title,
  69                                  const gchar    *message,
  70                                  const gchar    *default_string);
  71
  72 static void ok_clicked          (GtkWidget      *widget,
  73                                  gpointer        data);
  74 static void cancel_clicked      (GtkWidget      *widget,
  75                                  gpointer        data);
  76 static gint delete_event        (GtkWidget      *widget,
  77                                  GdkEventAny    *event,
  78                                  gpointer        data);
  79 static void key_pressed         (GtkWidget      *widget,
  80                                  GdkEventKey    *event,
  81                                  gpointer        data);
  82 static void entry_activated     (GtkEditable    *editable);
  83 static void combo_activated     (GtkEditable    *editable);
  84
  85
  86 gchar *input_dialog(const gchar *title, const gchar *message,
  87                     const gchar *default_string)
  88 {
  89         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
  90
  91         if (!dialog)
  92                 input_dialog_create();
  93
  94         type = INPUT_DIALOG_NORMAL;
  95         gtk_widget_hide(combo);
  96         gtk_widget_show(entry);
  97         gtk_entry_set_visibility(GTK_ENTRY(entry), TRUE);
  98
  99         return input_dialog_open(title, message, default_string);
 100 }
 101
 102 gchar *input_dialog_with_invisible(const gchar *title, const gchar *message,
 103                                    const gchar *default_string)
 104 {
 105         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 106
 107         if (!dialog)
 108                 input_dialog_create();
 109
 110         type = INPUT_DIALOG_INVISIBLE;
 111         gtk_widget_hide(combo);
 112         gtk_widget_show(entry);
 113         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
 114
 115         return input_dialog_open(title, message, default_string);
 116 }
 117
 118 gchar *input_dialog_combo(const gchar *title, const gchar *message,
 119                           const gchar *default_string, GList *list)
 120 {
 121         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 122
 123         if (!dialog)
 124                 input_dialog_create();
 125
 126         type = INPUT_DIALOG_COMBO;
 127         gtk_widget_hide(entry);
 128         gtk_widget_show(combo);
 129
 130         if (!list) {
 131                 GList empty_list;
 132
 133                 empty_list.data = (gpointer)"";
 134                 empty_list.next = NULL;
 135                 empty_list.prev = NULL;
 136                 gtk_combo_set_popdown_strings(GTK_COMBO(combo), &empty_list);
 137         } else
 138                 gtk_combo_set_popdown_strings(GTK_COMBO(combo), list);
 139
 140         return input_dialog_open(title, message, default_string);
 141 }
 142
 143 static void input_dialog_create(void)
 144 {
 145         GtkWidget *vbox;
 146         GtkWidget *hbox;
 147         GtkWidget *confirm_area;
 148         GtkWidget *cancel_button;
 149
 150         dialog = gtk_dialog_new();
 151         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 152         gtk_widget_set_usize(dialog, INPUT_DIALOG_WIDTH, -1);
 153         gtk_container_set_border_width
 154                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 155         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 156         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 157                            GTK_SIGNAL_FUNC(delete_event), NULL);
 158         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 159                            GTK_SIGNAL_FUNC(key_pressed), NULL);
 160         gtk_signal_connect(GTK_OBJECT(dialog), "focus_in_event",
 161                            GTK_SIGNAL_FUNC(manage_window_focus_in), NULL);
 162         gtk_signal_connect(GTK_OBJECT(dialog), "focus_out_event",
 163                            GTK_SIGNAL_FUNC(manage_window_focus_out), NULL);
 164
 165         gtk_widget_realize(dialog);
 166
 167         vbox = gtk_vbox_new(FALSE, 8);
 168         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
 169         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
 170
 171         hbox = gtk_hbox_new(FALSE, 0);
 172         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 173
 174         msg_label = gtk_label_new("");
 175         gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
 176         gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_LEFT);
 177
 178         entry = gtk_entry_new();
 179         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 180         gtk_signal_connect(GTK_OBJECT(entry), "activate",
 181                            GTK_SIGNAL_FUNC(entry_activated), NULL);
 182
 183         combo = gtk_combo_new();
 184         gtk_box_pack_start(GTK_BOX(vbox), combo, FALSE, FALSE, 0);
 185         gtk_signal_connect(GTK_OBJECT(GTK_COMBO(combo)->entry), "activate",
 186                            GTK_SIGNAL_FUNC(combo_activated), NULL);
 187
 188         gtkut_button_set_create(&confirm_area,
 189                                 &ok_button,     _("OK"),
 190                                 &cancel_button, _("Cancel"),
 191                                 NULL, NULL);
 192         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 193                           confirm_area);
 194         gtk_widget_grab_default(ok_button);
 195
 196         gtk_signal_connect(GTK_OBJECT(ok_button), "clicked",
 197                            GTK_SIGNAL_FUNC(ok_clicked), NULL);
 198         gtk_signal_connect(GTK_OBJECT(cancel_button), "clicked",
 199                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 200
 201
 202         gtk_widget_show_all(GTK_DIALOG(dialog)->vbox);
 203 }
 204
 205 static gchar *input_dialog_open(const gchar *title, const gchar *message,
 206                                 const gchar *default_string)
 207 {
 208         gchar *str;
 209
 210         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 211
 212         if (!dialog)
 213                 input_dialog_create();
 214
 215         input_dialog_set(title, message, default_string);
 216         gtk_widget_show(dialog);
 217         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 218         manage_window_set_transient(GTK_WINDOW(dialog));
 219
 220         gtk_main();
 221
 222         manage_window_focus_out(dialog, NULL, NULL);
 223         gtk_widget_hide(dialog);
 224
 225         if (ack) {
 226                 GtkEditable *editable;
 227
 228                 if (type == INPUT_DIALOG_COMBO)
 229                         editable = GTK_EDITABLE(GTK_COMBO(combo)->entry);
 230                 else
 231                         editable = GTK_EDITABLE(entry);
 232
 233                 str = gtk_editable_get_chars(editable, 0, -1);
 234                 if (str && *str == '\0') {
 235                         g_free(str);
 236                         str = NULL;
 237                 }
 238         } else
 239                 str = NULL;
 240
 241         GTK_EVENTS_FLUSH();
 242
 243         debug_print("return string = %s\n", str ? str : "(none)");
 244         return str;
 245 }
 246
 247 static void input_dialog_set(const gchar *title, const gchar *message,
 248                              const gchar *default_string)
 249 {
 250         GtkWidget *entry_;
 251
 252         if (type == INPUT_DIALOG_COMBO)
 253                 entry_ = GTK_COMBO(combo)->entry;
 254         else
 255                 entry_ = entry;
 256
 257         gtk_window_set_title(GTK_WINDOW(dialog), title);
 258         gtk_label_set_text(GTK_LABEL(msg_label), message);
 259         if (default_string && *default_string)
 260                 gtk_entry_set_text(GTK_ENTRY(entry_), default_string);
 261         else
 262                 gtk_entry_set_text(GTK_ENTRY(entry_), "");
 263         gtk_entry_set_position(GTK_ENTRY(entry_), 0);
 264         gtk_entry_select_region(GTK_ENTRY(entry_), 0, -1);
 265
 266         gtk_widget_grab_focus(ok_button);
 267         gtk_widget_grab_focus(entry_);
 268 }
 269
 270 static void ok_clicked(GtkWidget *widget, gpointer data)
 271 {
 272         ack = TRUE;
 273         gtk_main_quit();
 274 }
 275
 276 static void cancel_clicked(GtkWidget *widget, gpointer data)
 277 {
 278         ack = FALSE;
 279         gtk_main_quit();
 280 }
 281
 282 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 283 {
 284         ack = FALSE;
 285         gtk_main_quit();
 286
 287         return TRUE;
 288 }
 289
 290 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 291 {
 292         if (event && event->keyval == GDK_Escape) {
 293                 ack = FALSE;
 294                 gtk_main_quit();
 295         }
 296 }
 297
 298 static void entry_activated(GtkEditable *editable)
 299 {
 300         ack = TRUE;
 301         gtk_main_quit();
 302 }
 303
 304 static void combo_activated(GtkEditable *editable)
 305 {
 306         ack = TRUE;
 307         gtk_main_quit();
 308 }