src/message_search.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Claws Mail team
   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtkwidget.h>
  30 #include <gtk/gtkwindow.h>
  31 #include <gtk/gtkvbox.h>
  32 #include <gtk/gtktable.h>
  33 #include <gtk/gtklabel.h>
  34 #include <gtk/gtkentry.h>
  35 #include <gtk/gtkhbox.h>
  36 #include <gtk/gtkcheckbutton.h>
  37 #include <gtk/gtkhbbox.h>
  38 #include <gtk/gtkbutton.h>
  39 #include <gtk/gtkctree.h>
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43
  44 #include "main.h"
  45 #include "message_search.h"
  46 #include "messageview.h"
  47 #include "compose.h"
  48 #include "utils.h"
  49 #include "gtkutils.h"
  50 #include "combobox.h"
  51 #include "manage_window.h"
  52 #include "alertpanel.h"
  53 #include "manual.h"
  54 #include "prefs_common.h"
  55
  56 static struct MessageSearchWindow {
  57         GtkWidget *window;
  58         GtkWidget *body_entry;
  59         GtkWidget *case_checkbtn;
  60         GtkWidget *help_btn;
  61         GtkWidget *prev_btn;
  62         GtkWidget *next_btn;
  63         GtkWidget *close_btn;
  64         GtkWidget *stop_btn;
  65
  66         MessageView *messageview;
  67
  68         Compose *compose;
  69         gboolean search_compose;
  70         gboolean is_searching;
  71 } search_window;
  72
  73 static void message_search_create       (void);
  74 static void message_search_execute      (gboolean        backward);
  75
  76 static void message_search_prev_clicked (GtkButton      *button,
  77                                          gpointer        data);
  78 static void message_search_next_clicked (GtkButton      *button,
  79                                          gpointer        data);
  80 static void message_search_stop_clicked (GtkButton      *button,
  81                                          gpointer        data);
  82 static void body_changed                (void);
  83 static gboolean key_pressed             (GtkWidget      *widget,
  84                                          GdkEventKey    *event,
  85                                          gpointer        data);
  86
  87
  88 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {    \
  89         gboolean in_btn = FALSE;                                                        \
  90         if (GTK_IS_BUTTON(widget))                                                      \
  91                 in_btn = GTK_BUTTON(widget)->in_button;                 \
  92         gtk_widget_set_sensitive(widget, sensitive);            \
  93         if (GTK_IS_BUTTON(widget))                                                      \
  94                 GTK_BUTTON(widget)->in_button = in_btn;                 \
  95 }
  96
  97 static void message_show_stop_button(void)
  98 {
  99         gtk_widget_hide(search_window.close_btn);
 100         gtk_widget_show(search_window.stop_btn);
 101         GTK_BUTTON_SET_SENSITIVE(search_window.prev_btn, FALSE)
 102         GTK_BUTTON_SET_SENSITIVE(search_window.next_btn, FALSE)
 103 }
 104
 105 static void message_hide_stop_button(void)
 106 {
 107         gtk_widget_hide(search_window.stop_btn);
 108         gtk_widget_show(search_window.close_btn);
 109         gtk_widget_set_sensitive(search_window.prev_btn, TRUE);
 110         gtk_widget_set_sensitive(search_window.next_btn, TRUE);
 111 }
 112
 113 void message_search(MessageView *messageview)
 114 {
 115         if (!search_window.window)
 116                 message_search_create();
 117         else
 118                 gtk_widget_hide(search_window.window);
 119
 120         search_window.messageview = messageview;
 121         search_window.search_compose = FALSE;
 122
 123         gtk_widget_grab_focus(search_window.next_btn);
 124         gtk_widget_grab_focus(search_window.body_entry);
 125         gtk_widget_show(search_window.window);
 126 }
 127
 128 void message_search_compose(Compose *compose)
 129 {
 130         if (!search_window.window)
 131                 message_search_create();
 132         else
 133                 gtk_widget_hide(search_window.window);
 134
 135         search_window.compose = compose;
 136         search_window.search_compose = TRUE;
 137
 138         gtk_widget_grab_focus(search_window.next_btn);
 139         gtk_widget_grab_focus(search_window.body_entry);
 140         gtk_widget_show(search_window.window);
 141 }
 142
 143 static void message_search_create(void)
 144 {
 145         GtkWidget *window;
 146
 147         GtkWidget *vbox1;
 148         GtkWidget *hbox1;
 149         GtkWidget *body_label;
 150         GtkWidget *body_entry;
 151
 152         GtkWidget *checkbtn_hbox;
 153         GtkWidget *case_checkbtn;
 154
 155         GtkWidget *confirm_area;
 156         GtkWidget *help_btn;
 157         GtkWidget *prev_btn;
 158         GtkWidget *next_btn;
 159         GtkWidget *close_btn;
 160         GtkWidget *stop_btn;
 161
 162         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 163         gtk_window_set_title (GTK_WINDOW (window),
 164                               _("Find in current message"));
 165         gtk_widget_set_size_request (window, 450, -1);
 166         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 167         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 168         g_signal_connect(G_OBJECT(window), "delete_event",
 169                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 170         g_signal_connect(G_OBJECT(window), "key_press_event",
 171                          G_CALLBACK(key_pressed), NULL);
 172         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 173
 174         vbox1 = gtk_vbox_new (FALSE, 0);
 175         gtk_widget_show (vbox1);
 176         gtk_container_add (GTK_CONTAINER (window), vbox1);
 177
 178         hbox1 = gtk_hbox_new (FALSE, 8);
 179         gtk_widget_show (hbox1);
 180         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, TRUE, TRUE, 0);
 181
 182         body_label = gtk_label_new (_("Find text:"));
 183         gtk_widget_show (body_label);
 184         gtk_box_pack_start (GTK_BOX (hbox1), body_label, FALSE, FALSE, 0);
 185
 186         body_entry = gtk_combo_box_entry_new_text ();
 187         gtk_combo_box_set_active(GTK_COMBO_BOX(body_entry), -1);
 188         if (prefs_common.message_search_history)
 189                 combobox_set_popdown_strings(GTK_COMBO_BOX(body_entry),
 190                                 prefs_common.message_search_history);
 191         gtk_widget_show (body_entry);
 192         gtk_box_pack_start (GTK_BOX (hbox1), body_entry, TRUE, TRUE, 0);
 193         g_signal_connect(G_OBJECT(body_entry), "changed",
 194                          G_CALLBACK(body_changed), NULL);
 195
 196         checkbtn_hbox = gtk_hbox_new (FALSE, 8);
 197         gtk_widget_show (checkbtn_hbox);
 198         gtk_box_pack_start (GTK_BOX (vbox1), checkbtn_hbox, TRUE, TRUE, 0);
 199         gtk_container_set_border_width (GTK_CONTAINER (checkbtn_hbox), 8);
 200
 201         case_checkbtn = gtk_check_button_new_with_label (_("Case sensitive"));
 202         gtk_widget_show (case_checkbtn);
 203         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), case_checkbtn,
 204                             FALSE, FALSE, 0);
 205
 206         confirm_area = gtk_hbutton_box_new();
 207         gtk_widget_show (confirm_area);
 208         gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area),
 209                                   GTK_BUTTONBOX_END);
 210         gtk_box_set_spacing(GTK_BOX(confirm_area), 5);
 211
 212         gtkut_stock_button_add_help(confirm_area, &help_btn);
 213
 214         prev_btn = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
 215         GTK_WIDGET_SET_FLAGS(prev_btn, GTK_CAN_DEFAULT);
 216         gtk_box_pack_start(GTK_BOX(confirm_area), prev_btn, TRUE, TRUE, 0);
 217         gtk_widget_show(prev_btn);
 218
 219         next_btn = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 220         GTK_WIDGET_SET_FLAGS(next_btn, GTK_CAN_DEFAULT);
 221         gtk_box_pack_start(GTK_BOX(confirm_area), next_btn, TRUE, TRUE, 0);
 222         gtk_widget_show(next_btn);
 223
 224         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 225         GTK_WIDGET_SET_FLAGS(close_btn, GTK_CAN_DEFAULT);
 226         gtk_box_pack_start(GTK_BOX(confirm_area), close_btn, TRUE, TRUE, 0);
 227         gtk_widget_show(close_btn);
 228
 229         /* stop button hidden */
 230         stop_btn = gtk_button_new_from_stock(GTK_STOCK_STOP);
 231         GTK_WIDGET_SET_FLAGS(stop_btn, GTK_CAN_DEFAULT);
 232         gtk_box_pack_start(GTK_BOX(confirm_area), stop_btn, TRUE, TRUE, 0);
 233
 234         gtk_widget_show (confirm_area);
 235         gtk_box_pack_start (GTK_BOX (vbox1), confirm_area, FALSE, FALSE, 0);
 236         gtk_widget_grab_default(next_btn);
 237
 238         g_signal_connect(G_OBJECT(help_btn), "clicked",
 239                          G_CALLBACK(manual_open_with_anchor_cb),
 240                          MANUAL_ANCHOR_SEARCHING);
 241         g_signal_connect(G_OBJECT(prev_btn), "clicked",
 242                          G_CALLBACK(message_search_prev_clicked), NULL);
 243         g_signal_connect(G_OBJECT(next_btn), "clicked",
 244                          G_CALLBACK(message_search_next_clicked), NULL);
 245         g_signal_connect_closure
 246                 (G_OBJECT(close_btn), "clicked",
 247                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide),
 248                                      window, NULL),
 249                  FALSE);
 250         g_signal_connect(G_OBJECT(stop_btn), "clicked",
 251                          G_CALLBACK(message_search_stop_clicked), NULL);
 252
 253         search_window.window = window;
 254         search_window.body_entry = body_entry;
 255         search_window.case_checkbtn = case_checkbtn;
 256         search_window.help_btn = help_btn;
 257         search_window.prev_btn = prev_btn;
 258         search_window.next_btn = next_btn;
 259         search_window.close_btn = close_btn;
 260         search_window.stop_btn = stop_btn;
 261 }
 262
 263 static void message_search_execute(gboolean backward)
 264 {
 265         MessageView *messageview = search_window.messageview;
 266         Compose *compose = search_window.compose;
 267         gboolean case_sens;
 268         gboolean all_searched = FALSE;
 269         const gchar *body_str;
 270
 271         body_str = gtk_combo_box_get_active_text(GTK_COMBO_BOX(search_window.body_entry));
 272         if (*body_str == '\0') return;
 273
 274         /* add to history */
 275         combobox_unset_popdown_strings(GTK_COMBO_BOX(search_window.body_entry));
 276         prefs_common.message_search_history = add_history(
 277                         prefs_common.message_search_history, body_str);
 278         combobox_set_popdown_strings(GTK_COMBO_BOX(search_window.body_entry),
 279                         prefs_common.message_search_history);
 280
 281         case_sens = gtk_toggle_button_get_active
 282                 (GTK_TOGGLE_BUTTON(search_window.case_checkbtn));
 283
 284         search_window.is_searching = TRUE;
 285         message_show_stop_button();
 286
 287         for (; search_window.is_searching;) {
 288                 gchar *str;
 289                 AlertValue val;
 290
 291                 if (backward) {
 292                         if (search_window.search_compose) {
 293                                 if (compose_search_string_backward
 294                                         (compose, body_str, case_sens) == TRUE)
 295                                         break;
 296                         } else {
 297                                 if (messageview_search_string_backward
 298                                         (messageview, body_str, case_sens) == TRUE)
 299                                         break;
 300                         }
 301                 } else {
 302                         if (search_window.search_compose) {
 303                                 if (compose_search_string
 304                                         (compose, body_str, case_sens) == TRUE)
 305                                         break;
 306                         } else {
 307                                 if (messageview_search_string
 308                                         (messageview, body_str, case_sens) == TRUE)
 309                                         break;
 310                         }
 311                 }
 312
 313                 if (all_searched) {
 314                         alertpanel_full(_("Search failed"),
 315                                         _("Search string not found."),
 316                                          GTK_STOCK_CLOSE, NULL, NULL, FALSE,
 317                                          NULL, ALERT_WARNING, G_ALERTDEFAULT);
 318                         break;
 319                 }
 320
 321                 all_searched = TRUE;
 322
 323                 if (backward)
 324                         str = _("Beginning of message reached; "
 325                                 "continue from end?");
 326                 else
 327                         str = _("End of message reached; "
 328                                 "continue from beginning?");
 329
 330                 val = alertpanel(_("Search finished"), str,
 331                                  GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
 332                 if (G_ALERTALTERNATE == val) {
 333                         manage_window_focus_in(search_window.window,
 334                                                NULL, NULL);
 335                         if (search_window.search_compose) {
 336                                 compose_set_position(compose,
 337                                                          backward ? -1 : 0);
 338                         } else {
 339                                 messageview_set_position(messageview,
 340                                                          backward ? -1 : 0);
 341                         }
 342                 } else
 343                         break;
 344         }
 345
 346         search_window.is_searching = FALSE;
 347         message_hide_stop_button();
 348 }
 349
 350 static void body_changed(void)
 351 {
 352         gtk_widget_grab_focus(search_window.body_entry);
 353 }
 354
 355 static void message_search_prev_clicked(GtkButton *button, gpointer data)
 356 {
 357         message_search_execute(TRUE);
 358 }
 359
 360 static void message_search_next_clicked(GtkButton *button, gpointer data)
 361 {
 362         message_search_execute(FALSE);
 363 }
 364
 365 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 366                             gpointer data)
 367 {
 368         if (event && event->keyval == GDK_Escape)
 369                 gtk_widget_hide(search_window.window);
 370         return FALSE;
 371 }
 372
 373 static void message_search_stop_clicked(GtkButton *button, gpointer data)
 374 {
 375         search_window.is_searching = FALSE;
 376 }