src/message_search.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  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/gtk.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33
  34 #include "main.h"
  35 #include "message_search.h"
  36 #include "messageview.h"
  37 #include "compose.h"
  38 #include "utils.h"
  39 #include "gtkutils.h"
  40 #include "combobox.h"
  41 #include "manage_window.h"
  42 #include "alertpanel.h"
  43 #include "manual.h"
  44 #include "prefs_common.h"
  45
  46 static struct MessageSearchWindow {
  47         GtkWidget *window;
  48         GtkWidget *body_entry;
  49         GtkWidget *case_checkbtn;
  50         GtkWidget *help_btn;
  51         GtkWidget *prev_btn;
  52         GtkWidget *next_btn;
  53         GtkWidget *close_btn;
  54         GtkWidget *stop_btn;
  55
  56         MessageView *messageview;
  57
  58         Compose *compose;
  59         gboolean search_compose;
  60         gboolean is_searching;
  61         gboolean body_entry_has_focus;
  62 } search_window;
  63
  64 static void message_search_create       (void);
  65 static void message_search_execute      (gboolean        backward);
  66
  67 static void message_search_prev_clicked (GtkButton      *button,
  68                                          gpointer        data);
  69 static void message_search_next_clicked (GtkButton      *button,
  70                                          gpointer        data);
  71 static void message_search_stop_clicked (GtkButton      *button,
  72                                          gpointer        data);
  73 static void body_changed                (void);
  74 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
  75                                   gpointer data);
  76 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
  77                                   gpointer data);
  78 static gboolean key_pressed             (GtkWidget      *widget,
  79                                          GdkEventKey    *event,
  80                                          gpointer        data);
  81
  82
  83 #if !GTK_CHECK_VERSION(2,14,0)
  84 /* Work around http://bugzilla.gnome.org/show_bug.cgi?id=56070 */
  85 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {                                    \
  86         gboolean in_btn = FALSE;                                                        \
  87         if (GTK_IS_BUTTON(widget))                                                      \
  88                 in_btn = GTK_BUTTON(widget)->in_button;                                 \
  89         gtk_widget_set_sensitive(widget, sensitive);                                    \
  90         if (GTK_IS_BUTTON(widget))                                                      \
  91                 GTK_BUTTON(widget)->in_button = in_btn;                                 \
  92 }
  93 #else
  94 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {                                    \
  95         gtk_widget_set_sensitive(widget, sensitive);                                    \
  96 }
  97 #endif
  98
  99 static void message_show_stop_button(void)
 100 {
 101         gtk_widget_hide(search_window.close_btn);
 102         gtk_widget_show(search_window.stop_btn);
 103         GTK_BUTTON_SET_SENSITIVE(search_window.prev_btn, FALSE)
 104         GTK_BUTTON_SET_SENSITIVE(search_window.next_btn, FALSE)
 105 }
 106
 107 static void message_hide_stop_button(void)
 108 {
 109         gtk_widget_hide(search_window.stop_btn);
 110         gtk_widget_show(search_window.close_btn);
 111         gtk_widget_set_sensitive(search_window.prev_btn, TRUE);
 112         gtk_widget_set_sensitive(search_window.next_btn, TRUE);
 113 }
 114
 115 void message_search(MessageView *messageview)
 116 {
 117         if (!search_window.window)
 118                 message_search_create();
 119         else
 120                 gtk_widget_hide(search_window.window);
 121
 122         search_window.messageview = messageview;
 123         search_window.search_compose = FALSE;
 124
 125         gtk_widget_grab_focus(search_window.next_btn);
 126         gtk_widget_grab_focus(search_window.body_entry);
 127         gtk_widget_show(search_window.window);
 128 }
 129
 130 void message_search_compose(Compose *compose)
 131 {
 132         if (!search_window.window)
 133                 message_search_create();
 134         else
 135                 gtk_widget_hide(search_window.window);
 136
 137         search_window.compose = compose;
 138         search_window.search_compose = TRUE;
 139
 140         gtk_widget_grab_focus(search_window.next_btn);
 141         gtk_widget_grab_focus(search_window.body_entry);
 142         gtk_widget_show(search_window.window);
 143 }
 144
 145 static void message_search_create(void)
 146 {
 147         GtkWidget *window;
 148
 149         GtkWidget *vbox1;
 150         GtkWidget *hbox1;
 151         GtkWidget *body_label;
 152         GtkWidget *body_entry;
 153
 154         GtkWidget *checkbtn_hbox;
 155         GtkWidget *case_checkbtn;
 156
 157         GtkWidget *confirm_area;
 158         GtkWidget *help_btn;
 159         GtkWidget *prev_btn;
 160         GtkWidget *next_btn;
 161         GtkWidget *close_btn;
 162         GtkWidget *stop_btn;
 163
 164         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "message_search");
 165         gtk_window_set_title (GTK_WINDOW (window),
 166                               _("Find in current message"));
 167         gtk_widget_set_size_request (window, 450, -1);
 168         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 169         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 170         g_signal_connect(G_OBJECT(window), "delete_event",
 171                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 172         g_signal_connect(G_OBJECT(window), "key_press_event",
 173                          G_CALLBACK(key_pressed), NULL);
 174         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 175
 176         vbox1 = gtk_vbox_new (FALSE, 0);
 177         gtk_widget_show (vbox1);
 178         gtk_container_add (GTK_CONTAINER (window), vbox1);
 179
 180         hbox1 = gtk_hbox_new (FALSE, 8);
 181         gtk_widget_show (hbox1);
 182         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, TRUE, TRUE, 0);
 183
 184         body_label = gtk_label_new (_("Find text:"));
 185         gtk_widget_show (body_label);
 186         gtk_box_pack_start (GTK_BOX (hbox1), body_label, FALSE, FALSE, 0);
 187
 188         body_entry = gtk_combo_box_entry_new_text ();
 189         gtk_combo_box_set_active(GTK_COMBO_BOX(body_entry), -1);
 190         if (prefs_common.message_search_history)
 191                 combobox_set_popdown_strings(GTK_COMBO_BOX(body_entry),
 192                                 prefs_common.message_search_history);
 193         gtk_widget_show (body_entry);
 194         gtk_box_pack_start (GTK_BOX (hbox1), body_entry, TRUE, TRUE, 0);
 195         g_signal_connect(G_OBJECT(body_entry), "changed",
 196                          G_CALLBACK(body_changed), NULL);
 197         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 198                          "focus_in_event", G_CALLBACK(body_entry_focus_evt_in), NULL);
 199         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 200                          "focus_out_event", G_CALLBACK(body_entry_focus_evt_out), NULL);
 201
 202         checkbtn_hbox = gtk_hbox_new (FALSE, 8);
 203         gtk_widget_show (checkbtn_hbox);
 204         gtk_box_pack_start (GTK_BOX (vbox1), checkbtn_hbox, TRUE, TRUE, 0);
 205         gtk_container_set_border_width (GTK_CONTAINER (checkbtn_hbox), 8);
 206
 207         case_checkbtn = gtk_check_button_new_with_label (_("Case sensitive"));
 208         gtk_widget_show (case_checkbtn);
 209         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), case_checkbtn,
 210                             FALSE, FALSE, 0);
 211
 212         confirm_area = gtk_hbutton_box_new();
 213         gtk_widget_show (confirm_area);
 214         gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area),
 215                                   GTK_BUTTONBOX_END);
 216         gtk_box_set_spacing(GTK_BOX(confirm_area), 5);
 217
 218         gtkut_stock_button_add_help(confirm_area, &help_btn);
 219
 220         prev_btn = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
 221         gtkut_widget_set_can_default(prev_btn, TRUE);
 222         gtk_box_pack_start(GTK_BOX(confirm_area), prev_btn, TRUE, TRUE, 0);
 223         gtk_widget_show(prev_btn);
 224
 225         next_btn = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 226         gtkut_widget_set_can_default(next_btn, TRUE);
 227         gtk_box_pack_start(GTK_BOX(confirm_area), next_btn, TRUE, TRUE, 0);
 228         gtk_widget_show(next_btn);
 229
 230         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 231         gtkut_widget_set_can_default(close_btn, TRUE);
 232         gtk_box_pack_start(GTK_BOX(confirm_area), close_btn, TRUE, TRUE, 0);
 233         gtk_widget_show(close_btn);
 234
 235         /* stop button hidden */
 236         stop_btn = gtk_button_new_from_stock(GTK_STOCK_STOP);
 237         gtkut_widget_set_can_default(stop_btn, TRUE);
 238         gtk_box_pack_start(GTK_BOX(confirm_area), stop_btn, TRUE, TRUE, 0);
 239
 240         gtk_widget_show (confirm_area);
 241         gtk_box_pack_start (GTK_BOX (vbox1), confirm_area, FALSE, FALSE, 0);
 242         gtk_widget_grab_default(next_btn);
 243
 244         g_signal_connect(G_OBJECT(help_btn), "clicked",
 245                          G_CALLBACK(manual_open_with_anchor_cb),
 246                          MANUAL_ANCHOR_SEARCHING);
 247         g_signal_connect(G_OBJECT(prev_btn), "clicked",
 248                          G_CALLBACK(message_search_prev_clicked), NULL);
 249         g_signal_connect(G_OBJECT(next_btn), "clicked",
 250                          G_CALLBACK(message_search_next_clicked), NULL);
 251         g_signal_connect_closure
 252                 (G_OBJECT(close_btn), "clicked",
 253                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide),
 254                                      window, NULL),
 255                  FALSE);
 256         g_signal_connect(G_OBJECT(stop_btn), "clicked",
 257                          G_CALLBACK(message_search_stop_clicked), NULL);
 258
 259         search_window.window = window;
 260         search_window.body_entry = body_entry;
 261         search_window.case_checkbtn = case_checkbtn;
 262         search_window.help_btn = help_btn;
 263         search_window.prev_btn = prev_btn;
 264         search_window.next_btn = next_btn;
 265         search_window.close_btn = close_btn;
 266         search_window.stop_btn = stop_btn;
 267 }
 268
 269 static void message_search_execute(gboolean backward)
 270 {
 271         MessageView *messageview = search_window.messageview;
 272         Compose *compose = search_window.compose;
 273         gboolean case_sens;
 274         gboolean all_searched = FALSE;
 275         gchar *body_str;
 276
 277         body_str = gtk_combo_box_get_active_text(GTK_COMBO_BOX(search_window.body_entry));
 278         if (!body_str)
 279                 body_str = gtk_editable_get_chars(
 280                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(search_window.body_entry))),0,-1);
 281         if (!body_str || *body_str == '\0') return;
 282
 283         /* add to history */
 284         combobox_unset_popdown_strings(GTK_COMBO_BOX(search_window.body_entry));
 285         prefs_common.message_search_history = add_history(
 286                         prefs_common.message_search_history, body_str);
 287         combobox_set_popdown_strings(GTK_COMBO_BOX(search_window.body_entry),
 288                         prefs_common.message_search_history);
 289
 290         case_sens = gtk_toggle_button_get_active
 291                 (GTK_TOGGLE_BUTTON(search_window.case_checkbtn));
 292
 293         search_window.is_searching = TRUE;
 294         message_show_stop_button();
 295
 296         for (; search_window.is_searching;) {
 297                 gchar *str;
 298                 AlertValue val;
 299
 300                 if (backward) {
 301                         if (search_window.search_compose) {
 302                                 if (compose_search_string_backward
 303                                         (compose, body_str, case_sens) == TRUE)
 304                                         break;
 305                         } else {
 306                                 if (messageview_search_string_backward
 307                                         (messageview, body_str, case_sens) == TRUE)
 308                                         break;
 309                         }
 310                 } else {
 311                         if (search_window.search_compose) {
 312                                 if (compose_search_string
 313                                         (compose, body_str, case_sens) == TRUE)
 314                                         break;
 315                         } else {
 316                                 if (messageview_search_string
 317                                         (messageview, body_str, case_sens) == TRUE)
 318                                         break;
 319                         }
 320                 }
 321
 322                 if (all_searched) {
 323                         alertpanel_full(_("Search failed"),
 324                                         _("Search string not found."),
 325                                          GTK_STOCK_CLOSE, NULL, NULL, FALSE,
 326                                          NULL, ALERT_WARNING, G_ALERTDEFAULT);
 327                         break;
 328                 }
 329
 330                 all_searched = TRUE;
 331
 332                 if (backward)
 333                         str = _("Beginning of message reached; "
 334                                 "continue from end?");
 335                 else
 336                         str = _("End of message reached; "
 337                                 "continue from beginning?");
 338
 339                 val = alertpanel(_("Search finished"), str,
 340                                  GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
 341                 if (G_ALERTALTERNATE == val) {
 342                         manage_window_focus_in(search_window.window,
 343                                                NULL, NULL);
 344                         if (search_window.search_compose) {
 345                                 compose_set_position(compose,
 346                                                          backward ? -1 : 0);
 347                         } else {
 348                                 messageview_set_position(messageview,
 349                                                          backward ? -1 : 0);
 350                         }
 351                 } else
 352                         break;
 353         }
 354
 355         search_window.is_searching = FALSE;
 356         message_hide_stop_button();
 357         g_free(body_str);
 358 }
 359
 360 static void body_changed(void)
 361 {
 362         if (!search_window.body_entry_has_focus)
 363                 gtk_widget_grab_focus(search_window.body_entry);
 364 }
 365
 366 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 367                                   gpointer data)
 368 {
 369         search_window.body_entry_has_focus = TRUE;
 370         return FALSE;
 371 }
 372
 373 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 374                                   gpointer data)
 375 {
 376         search_window.body_entry_has_focus = FALSE;
 377         return FALSE;
 378 }
 379
 380 static void message_search_prev_clicked(GtkButton *button, gpointer data)
 381 {
 382         message_search_execute(TRUE);
 383 }
 384
 385 static void message_search_next_clicked(GtkButton *button, gpointer data)
 386 {
 387         message_search_execute(FALSE);
 388 }
 389
 390 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 391                             gpointer data)
 392 {
 393         if (event && (event->keyval == GDK_KEY_Escape)) {
 394                 gtk_widget_hide(search_window.window);
 395         }
 396
 397         if (event && (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter)) {
 398                 message_search_execute(FALSE);
 399         }
 400
 401         if (event && (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_Up)) {
 402                 if (search_window.body_entry_has_focus) {
 403                         combobox_set_value_from_arrow_key(
 404                                         GTK_COMBO_BOX(search_window.body_entry),
 405                                         event->keyval);
 406                         return TRUE;
 407                 }
 408         }
 409
 410         return FALSE;
 411 }
 412
 413 static void message_search_stop_clicked(GtkButton *button, gpointer data)
 414 {
 415         search_window.is_searching = FALSE;
 416 }