src/gtk/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 <glib/gi18n.h>
  26 #include <gdk/gdkkeysyms.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkwidget.h>
  29 #include <gtk/gtkdialog.h>
  30 #include <gtk/gtkwindow.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtkhbox.h>
  34 #include <gtk/gtklabel.h>
  35 #include <gtk/gtkentry.h>
  36 #include <gtk/gtkcombo.h>
  37 #include <gtk/gtkbutton.h>
  38 #include <gtk/gtkhbbox.h>
  39 #include <gtk/gtkstock.h>
  40 #include <gtk/gtkimage.h>
  41
  42 #include "inputdialog.h"
  43 #include "manage_window.h"
  44 #include "gtkutils.h"
  45 #include "utils.h"
  46
  47 #define INPUT_DIALOG_WIDTH      420
  48
  49 typedef enum
  50 {
  51         INPUT_DIALOG_NORMAL,
  52         INPUT_DIALOG_INVISIBLE,
  53         INPUT_DIALOG_COMBO
  54 } InputDialogType;
  55
  56 static gboolean ack;
  57 static gboolean fin;
  58
  59 static InputDialogType type;
  60
  61 static GtkWidget *dialog;
  62 static GtkWidget *msg_title;
  63 static GtkWidget *msg_label;
  64 static GtkWidget *entry;
  65 static GtkWidget *combo;
  66 static GtkWidget *ok_button;
  67
  68 static void input_dialog_create (void);
  69 static gchar *input_dialog_open (const gchar    *title,
  70                                  const gchar    *message,
  71                                  const gchar    *default_string);
  72 static void input_dialog_set    (const gchar    *title,
  73                                  const gchar    *message,
  74                                  const gchar    *default_string);
  75
  76 static void ok_clicked          (GtkWidget      *widget,
  77                                  gpointer        data);
  78 static void cancel_clicked      (GtkWidget      *widget,
  79                                  gpointer        data);
  80 static gint delete_event        (GtkWidget      *widget,
  81                                  GdkEventAny    *event,
  82                                  gpointer        data);
  83 static gboolean key_pressed     (GtkWidget      *widget,
  84                                  GdkEventKey    *event,
  85                                  gpointer        data);
  86 static void entry_activated     (GtkEditable    *editable);
  87 static void combo_activated     (GtkEditable    *editable);
  88
  89
  90 gchar *input_dialog(const gchar *title, const gchar *message,
  91                     const gchar *default_string)
  92 {
  93         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
  94
  95         if (!dialog)
  96                 input_dialog_create();
  97
  98         type = INPUT_DIALOG_NORMAL;
  99         gtk_widget_hide(combo);
 100         gtk_widget_show(entry);
 101         gtk_entry_set_visibility(GTK_ENTRY(entry), TRUE);
 102
 103         return input_dialog_open(title, message, default_string);
 104 }
 105
 106 gchar *input_dialog_with_invisible(const gchar *title, const gchar *message,
 107                                    const gchar *default_string)
 108 {
 109         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 110
 111         if (!dialog)
 112                 input_dialog_create();
 113
 114         type = INPUT_DIALOG_INVISIBLE;
 115         gtk_widget_hide(combo);
 116         gtk_widget_show(entry);
 117         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
 118
 119         return input_dialog_open(title, message, default_string);
 120 }
 121
 122 gchar *input_dialog_combo(const gchar *title, const gchar *message,
 123                           const gchar *default_string, GList *list,
 124                           gboolean case_sensitive)
 125 {
 126         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 127
 128         if (!dialog)
 129                 input_dialog_create();
 130
 131         type = INPUT_DIALOG_COMBO;
 132         gtk_widget_hide(entry);
 133         gtk_widget_show(combo);
 134
 135         if (!list) {
 136                 GList empty_list;
 137
 138                 empty_list.data = (gpointer)"";
 139                 empty_list.next = NULL;
 140                 empty_list.prev = NULL;
 141                 gtk_combo_set_popdown_strings(GTK_COMBO(combo), &empty_list);
 142         } else
 143                 gtk_combo_set_popdown_strings(GTK_COMBO(combo), list);
 144
 145         gtk_combo_set_case_sensitive(GTK_COMBO(combo), case_sensitive);
 146
 147         return input_dialog_open(title, message, default_string);
 148 }
 149
 150 gchar *input_dialog_query_password(const gchar *server, const gchar *user)
 151 {
 152         gchar *message;
 153         gchar *pass;
 154
 155         message = g_strdup_printf(_("Input password for %s on %s:"),
 156                                   user, server);
 157         pass = input_dialog_with_invisible(_("Input password"), message, NULL);
 158         g_free(message);
 159
 160         return pass;
 161 }
 162
 163 static void input_dialog_create(void)
 164 {
 165         static PangoFontDescription *font_desc;
 166         GtkWidget *w_hbox;
 167         GtkWidget *hbox;
 168         GtkWidget *vbox;
 169         GtkWidget *cancel_button;
 170         GtkWidget *confirm_area;
 171         GtkWidget *icon;
 172
 173         dialog = gtk_dialog_new();
 174
 175         gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
 176         gtk_window_set_title(GTK_WINDOW(dialog), "");
 177         gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
 178
 179         g_signal_connect(G_OBJECT(dialog), "delete_event",
 180                          G_CALLBACK(delete_event), NULL);
 181         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 182                          G_CALLBACK(key_pressed), NULL);
 183         MANAGE_WINDOW_SIGNALS_CONNECT(dialog);
 184
 185         gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 14);
 186         hbox = gtk_hbox_new (FALSE, 12);
 187         gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
 188         gtk_widget_show (hbox);
 189         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox,
 190                             FALSE, FALSE, 0);
 191
 192         /* for title label */
 193         w_hbox = gtk_hbox_new(FALSE, 0);
 194
 195         icon = gtk_image_new_from_stock(GTK_STOCK_DIALOG_QUESTION,
 196                                         GTK_ICON_SIZE_DIALOG);
 197         gtk_misc_set_alignment (GTK_MISC (icon), 0.5, 0.0);
 198         gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
 199
 200         vbox = gtk_vbox_new (FALSE, 12);
 201         gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
 202         gtk_widget_show (vbox);
 203
 204         msg_title = gtk_label_new("");
 205         gtk_misc_set_alignment(GTK_MISC(msg_title), 0, 0.5);
 206         gtk_label_set_justify(GTK_LABEL(msg_title), GTK_JUSTIFY_LEFT);
 207         gtk_label_set_use_markup (GTK_LABEL (msg_title), TRUE);
 208         gtk_box_pack_start(GTK_BOX(vbox), msg_title, FALSE, FALSE, 0);
 209         gtk_label_set_line_wrap(GTK_LABEL(msg_title), TRUE);
 210         if (!font_desc) {
 211                 gint size;
 212
 213                 size = pango_font_description_get_size
 214                         (msg_title->style->font_desc);
 215                 font_desc = pango_font_description_new();
 216                 pango_font_description_set_weight
 217                         (font_desc, PANGO_WEIGHT_BOLD);
 218                 pango_font_description_set_size
 219                         (font_desc, size * PANGO_SCALE_LARGE);
 220         }
 221         if (font_desc)
 222                 gtk_widget_modify_font(msg_title, font_desc);
 223
 224         msg_label = gtk_label_new("");
 225         gtk_misc_set_alignment(GTK_MISC(msg_label), 0, 0.5);
 226         gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_LEFT);
 227         gtk_box_pack_start(GTK_BOX(vbox), msg_label, FALSE, FALSE, 0);
 228         gtk_widget_show(msg_label);
 229
 230         entry = gtk_entry_new();
 231         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 232         g_signal_connect(G_OBJECT(entry), "activate",
 233                          G_CALLBACK(entry_activated), NULL);
 234
 235         combo = gtk_combo_new();
 236         gtk_box_pack_start(GTK_BOX(vbox), combo, FALSE, FALSE, 0);
 237         g_signal_connect(G_OBJECT(GTK_COMBO(combo)->entry), "activate",
 238                          G_CALLBACK(combo_activated), NULL);
 239
 240         hbox = gtk_hbox_new(TRUE, 0);
 241
 242         gtkut_stock_button_set_create(&confirm_area,
 243                                       &ok_button, GTK_STOCK_OK,
 244                                       &cancel_button, GTK_STOCK_CANCEL,
 245                                       NULL, NULL);
 246
 247         gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dialog)->action_area),
 248                          confirm_area, FALSE, FALSE, 0);
 249         gtk_container_set_border_width(GTK_CONTAINER(confirm_area), 5);
 250
 251         gtk_widget_show_all(GTK_DIALOG(dialog)->vbox);
 252
 253         gtk_widget_grab_default(ok_button);
 254
 255         g_signal_connect(G_OBJECT(ok_button), "clicked",
 256                          G_CALLBACK(ok_clicked), NULL);
 257         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 258                          G_CALLBACK(cancel_clicked), NULL);
 259 }
 260
 261 static gchar *input_dialog_open(const gchar *title, const gchar *message,
 262                                 const gchar *default_string)
 263 {
 264         gchar *str;
 265
 266         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 267
 268         if (!dialog)
 269                 input_dialog_create();
 270
 271         input_dialog_set(title, message, default_string);
 272         gtk_widget_show(dialog);
 273         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 274         manage_window_set_transient(GTK_WINDOW(dialog));
 275
 276         ack = fin = FALSE;
 277
 278         while (fin == FALSE)
 279                 gtk_main_iteration();
 280
 281         manage_window_focus_out(dialog, NULL, NULL);
 282         gtk_widget_hide(dialog);
 283
 284         if (ack) {
 285                 GtkEditable *editable;
 286
 287                 if (type == INPUT_DIALOG_COMBO)
 288                         editable = GTK_EDITABLE(GTK_COMBO(combo)->entry);
 289                 else
 290                         editable = GTK_EDITABLE(entry);
 291
 292                 str = gtk_editable_get_chars(editable, 0, -1);
 293                 if (str && *str == '\0') {
 294                         g_free(str);
 295                         str = NULL;
 296                 }
 297         } else
 298                 str = NULL;
 299
 300         GTK_EVENTS_FLUSH();
 301
 302         debug_print("return string = %s\n", str ? str : "(none)");
 303         return str;
 304 }
 305
 306 static void input_dialog_set(const gchar *title, const gchar *message,
 307                              const gchar *default_string)
 308 {
 309         GtkWidget *entry_;
 310
 311         if (type == INPUT_DIALOG_COMBO)
 312                 entry_ = GTK_COMBO(combo)->entry;
 313         else
 314                 entry_ = entry;
 315
 316         gtk_window_set_title(GTK_WINDOW(dialog), title);
 317         gtk_label_set_text(GTK_LABEL(msg_title), title);
 318         gtk_label_set_text(GTK_LABEL(msg_label), message);
 319         if (default_string && *default_string) {
 320                 gtk_entry_set_text(GTK_ENTRY(entry_), default_string);
 321                 gtk_editable_set_position(GTK_EDITABLE(entry_), 0);
 322                 gtk_editable_select_region(GTK_EDITABLE(entry_), 0, -1);
 323         } else
 324                 gtk_entry_set_text(GTK_ENTRY(entry_), "");
 325
 326         gtk_widget_grab_focus(ok_button);
 327         gtk_widget_grab_focus(entry_);
 328 }
 329
 330 static void ok_clicked(GtkWidget *widget, gpointer data)
 331 {
 332         ack = TRUE;
 333         fin = TRUE;
 334 }
 335
 336 static void cancel_clicked(GtkWidget *widget, gpointer data)
 337 {
 338         ack = FALSE;
 339         fin = TRUE;
 340 }
 341
 342 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 343 {
 344         ack = FALSE;
 345         fin = TRUE;
 346
 347         return TRUE;
 348 }
 349
 350 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 351 {
 352         if (event && event->keyval == GDK_Escape) {
 353                 ack = FALSE;
 354                 fin = TRUE;
 355         } else if (event && event->keyval == GDK_Return) {
 356                 ack = TRUE;
 357                 fin = TRUE;
 358                 return TRUE; /* do not let Return pass - it
 359                               * pops up the combo on validating */
 360         }
 361
 362         return FALSE;
 363 }
 364
 365 static void entry_activated(GtkEditable *editable)
 366 {
 367         ack = TRUE;
 368         fin = TRUE;
 369 }
 370
 371 static void combo_activated(GtkEditable *editable)
 372 {
 373         ack = TRUE;
 374         fin = TRUE;
 375 }