src/message_search.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 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 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtk.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #include "main.h"
  36 #include "message_search.h"
  37 #include "messageview.h"
  38 #include "compose.h"
  39 #include "utils.h"
  40 #include "gtkutils.h"
  41 #include "combobox.h"
  42 #include "manage_window.h"
  43 #include "alertpanel.h"
  44 #include "manual.h"
  45 #include "prefs_common.h"
  46
  47 static struct MessageSearchWindow {
  48         GtkWidget *window;
  49         GtkWidget *body_entry;
  50         GtkWidget *case_checkbtn;
  51         GtkWidget *help_btn;
  52         GtkWidget *prev_btn;
  53         GtkWidget *next_btn;
  54         GtkWidget *close_btn;
  55         GtkWidget *stop_btn;
  56
  57         MessageView *messageview;
  58
  59         Compose *compose;
  60         gboolean search_compose;
  61         gboolean is_searching;
  62         gboolean body_entry_has_focus;
  63 } search_window;
  64
  65 static void message_search_create       (void);
  66 static void message_search_execute      (gboolean        backward);
  67
  68 static void message_search_prev_clicked (GtkButton      *button,
  69                                          gpointer        data);
  70 static void message_search_next_clicked (GtkButton      *button,
  71                                          gpointer        data);
  72 static void message_search_stop_clicked (GtkButton      *button,
  73                                          gpointer        data);
  74 static void body_changed                (void);
  75 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
  76                                   gpointer data);
  77 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
  78                                   gpointer data);
  79 static gboolean key_pressed             (GtkWidget      *widget,
  80                                          GdkEventKey    *event,
  81                                          gpointer        data);
  82
  83
  84 #if !GTK_CHECK_VERSION(2,14,0)
  85 /* Work around http://bugzilla.gnome.org/show_bug.cgi?id=56070 */
  86 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {                                    \
  87         gboolean in_btn = FALSE;                                                        \
  88         if (GTK_IS_BUTTON(widget))                                                      \
  89                 in_btn = GTK_BUTTON(widget)->in_button;                                 \
  90         gtk_widget_set_sensitive(widget, sensitive);                                    \
  91         if (GTK_IS_BUTTON(widget))                                                      \
  92                 GTK_BUTTON(widget)->in_button = in_btn;                                 \
  93 }
  94 #else
  95 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {                                    \
  96         gtk_widget_set_sensitive(widget, sensitive);                                    \
  97 }
  98 #endif
  99
 100 static void message_show_stop_button(void)
 101 {
 102         gtk_widget_hide(search_window.close_btn);
 103         gtk_widget_show(search_window.stop_btn);
 104         GTK_BUTTON_SET_SENSITIVE(search_window.prev_btn, FALSE)
 105         GTK_BUTTON_SET_SENSITIVE(search_window.next_btn, FALSE)
 106 }
 107
 108 static void message_hide_stop_button(void)
 109 {
 110         gtk_widget_hide(search_window.stop_btn);
 111         gtk_widget_show(search_window.close_btn);
 112         gtk_widget_set_sensitive(search_window.prev_btn, TRUE);
 113         gtk_widget_set_sensitive(search_window.next_btn, TRUE);
 114 }
 115
 116 void message_search(MessageView *messageview)
 117 {
 118         if (!search_window.window)
 119                 message_search_create();
 120         else
 121                 gtk_widget_hide(search_window.window);
 122
 123         search_window.messageview = messageview;
 124         search_window.search_compose = FALSE;
 125
 126         gtk_widget_grab_focus(search_window.next_btn);
 127         gtk_widget_grab_focus(search_window.body_entry);
 128         gtk_widget_show(search_window.window);
 129 }
 130
 131 void message_search_compose(Compose *compose)
 132 {
 133         if (!search_window.window)
 134                 message_search_create();
 135         else
 136                 gtk_widget_hide(search_window.window);
 137
 138         search_window.compose = compose;
 139         search_window.search_compose = TRUE;
 140
 141         gtk_widget_grab_focus(search_window.next_btn);
 142         gtk_widget_grab_focus(search_window.body_entry);
 143         gtk_widget_show(search_window.window);
 144 }
 145
 146 static void message_search_create(void)
 147 {
 148         GtkWidget *window;
 149
 150         GtkWidget *vbox1;
 151         GtkWidget *hbox1;
 152         GtkWidget *body_label;
 153         GtkWidget *body_entry;
 154
 155         GtkWidget *checkbtn_hbox;
 156         GtkWidget *case_checkbtn;
 157
 158         GtkWidget *confirm_area;
 159         GtkWidget *help_btn;
 160         GtkWidget *prev_btn;
 161         GtkWidget *next_btn;
 162         GtkWidget *close_btn;
 163         GtkWidget *stop_btn;
 164
 165         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "message_search");
 166         gtk_window_set_title (GTK_WINDOW (window),
 167                               _("Find in current message"));
 168         gtk_widget_set_size_request (window, 450, -1);
 169         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 170         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 171         g_signal_connect(G_OBJECT(window), "delete_event",
 172                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 173         g_signal_connect(G_OBJECT(window), "key_press_event",
 174                          G_CALLBACK(key_pressed), NULL);
 175         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 176
 177         vbox1 = gtk_vbox_new (FALSE, 0);
 178         gtk_widget_show (vbox1);
 179         gtk_container_add (GTK_CONTAINER (window), vbox1);
 180
 181         hbox1 = gtk_hbox_new (FALSE, 8);
 182         gtk_widget_show (hbox1);
 183         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, TRUE, TRUE, 0);
 184
 185         body_label = gtk_label_new (_("Find text:"));
 186         gtk_widget_show (body_label);
 187         gtk_box_pack_start (GTK_BOX (hbox1), body_label, FALSE, FALSE, 0);
 188
 189 #if !GTK_CHECK_VERSION(2, 24, 0)
 190         body_entry = gtk_combo_box_entry_new_text ();
 191 #else
 192         body_entry = gtk_combo_box_text_new_with_entry ();
 193 #endif
 194         gtk_combo_box_set_active(GTK_COMBO_BOX(body_entry), -1);
 195         if (prefs_common.message_search_history)
 196                 combobox_set_popdown_strings(GTK_COMBO_BOX(body_entry),
 197                                 prefs_common.message_search_history);
 198         gtk_widget_show (body_entry);
 199         gtk_box_pack_start (GTK_BOX (hbox1), body_entry, TRUE, TRUE, 0);
 200         g_signal_connect(G_OBJECT(body_entry), "changed",
 201                          G_CALLBACK(body_changed), NULL);
 202         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 203                          "focus_in_event", G_CALLBACK(body_entry_focus_evt_in), NULL);
 204         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 205                          "focus_out_event", G_CALLBACK(body_entry_focus_evt_out), NULL);
 206
 207         checkbtn_hbox = gtk_hbox_new (FALSE, 8);
 208         gtk_widget_show (checkbtn_hbox);
 209         gtk_box_pack_start (GTK_BOX (vbox1), checkbtn_hbox, TRUE, TRUE, 0);
 210         gtk_container_set_border_width (GTK_CONTAINER (checkbtn_hbox), 8);
 211
 212         case_checkbtn = gtk_check_button_new_with_label (_("Case sensitive"));
 213         gtk_widget_show (case_checkbtn);
 214         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), case_checkbtn,
 215                             FALSE, FALSE, 0);
 216
 217         confirm_area = gtk_hbutton_box_new();
 218         gtk_widget_show (confirm_area);
 219         gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area),
 220                                   GTK_BUTTONBOX_END);
 221         gtk_box_set_spacing(GTK_BOX(confirm_area), 5);
 222
 223         gtkut_stock_button_add_help(confirm_area, &help_btn);
 224
 225         prev_btn = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
 226         gtkut_widget_set_can_default(prev_btn, TRUE);
 227         gtk_box_pack_start(GTK_BOX(confirm_area), prev_btn, TRUE, TRUE, 0);
 228         gtk_widget_show(prev_btn);
 229
 230         next_btn = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 231         gtkut_widget_set_can_default(next_btn, TRUE);
 232         gtk_box_pack_start(GTK_BOX(confirm_area), next_btn, TRUE, TRUE, 0);
 233         gtk_widget_show(next_btn);
 234
 235         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 236         gtkut_widget_set_can_default(close_btn, TRUE);
 237         gtk_box_pack_start(GTK_BOX(confirm_area), close_btn, TRUE, TRUE, 0);
 238         gtk_widget_show(close_btn);
 239
 240         /* stop button hidden */
 241         stop_btn = gtk_button_new_from_stock(GTK_STOCK_STOP);
 242         gtkut_widget_set_can_default(stop_btn, TRUE);
 243         gtk_box_pack_start(GTK_BOX(confirm_area), stop_btn, TRUE, TRUE, 0);
 244
 245         gtk_widget_show (confirm_area);
 246         gtk_box_pack_start (GTK_BOX (vbox1), confirm_area, FALSE, FALSE, 0);
 247         gtk_widget_grab_default(next_btn);
 248
 249         g_signal_connect(G_OBJECT(help_btn), "clicked",
 250                          G_CALLBACK(manual_open_with_anchor_cb),
 251                          MANUAL_ANCHOR_SEARCHING);
 252         g_signal_connect(G_OBJECT(prev_btn), "clicked",
 253                          G_CALLBACK(message_search_prev_clicked), NULL);
 254         g_signal_connect(G_OBJECT(next_btn), "clicked",
 255                          G_CALLBACK(message_search_next_clicked), NULL);
 256         g_signal_connect_closure
 257                 (G_OBJECT(close_btn), "clicked",
 258                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide),
 259                                      window, NULL),
 260                  FALSE);
 261         g_signal_connect(G_OBJECT(stop_btn), "clicked",
 262                          G_CALLBACK(message_search_stop_clicked), NULL);
 263
 264         search_window.window = window;
 265         search_window.body_entry = body_entry;
 266         search_window.case_checkbtn = case_checkbtn;
 267         search_window.help_btn = help_btn;
 268         search_window.prev_btn = prev_btn;
 269         search_window.next_btn = next_btn;
 270         search_window.close_btn = close_btn;
 271         search_window.stop_btn = stop_btn;
 272 }
 273
 274 static void message_search_execute(gboolean backward)
 275 {
 276         MessageView *messageview = search_window.messageview;
 277         Compose *compose = search_window.compose;
 278         gboolean case_sens;
 279         gboolean all_searched = FALSE;
 280         gchar *body_str;
 281
 282 #if !GTK_CHECK_VERSION(2, 24, 0)
 283         body_str = gtk_combo_box_get_active_text(GTK_COMBO_BOX(search_window.body_entry));
 284 #else
 285         body_str = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(search_window.body_entry));
 286 #endif
 287         if (!body_str)
 288                 body_str = gtk_editable_get_chars(
 289                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(search_window.body_entry))),0,-1);
 290         if (!body_str || *body_str == '\0') return;
 291
 292         /* add to history */
 293         combobox_unset_popdown_strings(GTK_COMBO_BOX(search_window.body_entry));
 294         prefs_common.message_search_history = add_history(
 295                         prefs_common.message_search_history, body_str);
 296         combobox_set_popdown_strings(GTK_COMBO_BOX(search_window.body_entry),
 297                         prefs_common.message_search_history);
 298
 299         case_sens = gtk_toggle_button_get_active
 300                 (GTK_TOGGLE_BUTTON(search_window.case_checkbtn));
 301
 302         search_window.is_searching = TRUE;
 303         message_show_stop_button();
 304
 305         for (; search_window.is_searching;) {
 306                 gchar *str;
 307                 AlertValue val;
 308
 309                 if (backward) {
 310                         if (search_window.search_compose) {
 311                                 if (compose_search_string_backward
 312                                         (compose, body_str, case_sens) == TRUE)
 313                                         break;
 314                         } else {
 315                                 if (messageview_search_string_backward
 316                                         (messageview, body_str, case_sens) == TRUE)
 317                                         break;
 318                         }
 319                 } else {
 320                         if (search_window.search_compose) {
 321                                 if (compose_search_string
 322                                         (compose, body_str, case_sens) == TRUE)
 323                                         break;
 324                         } else {
 325                                 if (messageview_search_string
 326                                         (messageview, body_str, case_sens) == TRUE)
 327                                         break;
 328                         }
 329                 }
 330
 331                 if (all_searched) {
 332                         alertpanel_full(_("Search failed"),
 333                                         _("Search string not found."),
 334                                          GTK_STOCK_CLOSE, NULL, NULL, FALSE,
 335                                          NULL, ALERT_WARNING, G_ALERTDEFAULT);
 336                         break;
 337                 }
 338
 339                 all_searched = TRUE;
 340
 341                 if (backward)
 342                         str = _("Beginning of message reached; "
 343                                 "continue from end?");
 344                 else
 345                         str = _("End of message reached; "
 346                                 "continue from beginning?");
 347
 348                 val = alertpanel(_("Search finished"), str,
 349                                  GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
 350                 if (G_ALERTALTERNATE == val) {
 351                         manage_window_focus_in(search_window.window,
 352                                                NULL, NULL);
 353                         if (search_window.search_compose) {
 354                                 compose_set_position(compose,
 355                                                          backward ? -1 : 0);
 356                         } else {
 357                                 messageview_set_position(messageview,
 358                                                          backward ? -1 : 0);
 359                         }
 360                 } else
 361                         break;
 362         }
 363
 364         search_window.is_searching = FALSE;
 365         message_hide_stop_button();
 366         g_free(body_str);
 367 }
 368
 369 static void body_changed(void)
 370 {
 371         if (!search_window.body_entry_has_focus)
 372                 gtk_widget_grab_focus(search_window.body_entry);
 373 }
 374
 375 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 376                                   gpointer data)
 377 {
 378         search_window.body_entry_has_focus = TRUE;
 379         return FALSE;
 380 }
 381
 382 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 383                                   gpointer data)
 384 {
 385         search_window.body_entry_has_focus = FALSE;
 386         return FALSE;
 387 }
 388
 389 static void message_search_prev_clicked(GtkButton *button, gpointer data)
 390 {
 391         message_search_execute(TRUE);
 392 }
 393
 394 static void message_search_next_clicked(GtkButton *button, gpointer data)
 395 {
 396         message_search_execute(FALSE);
 397 }
 398
 399 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 400                             gpointer data)
 401 {
 402         if (event && (event->keyval == GDK_KEY_Escape)) {
 403                 gtk_widget_hide(search_window.window);
 404         }
 405
 406         if (event && (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter)) {
 407                 message_search_execute(FALSE);
 408         }
 409
 410         if (event && (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_Up)) {
 411                 if (search_window.body_entry_has_focus) {
 412                         combobox_set_value_from_arrow_key(
 413                                         GTK_COMBO_BOX(search_window.body_entry),
 414                                         event->keyval);
 415                         return TRUE;
 416                 }
 417         }
 418
 419         return FALSE;
 420 }
 421
 422 static void message_search_stop_clicked(GtkButton *button, gpointer data)
 423 {
 424         search_window.is_searching = FALSE;
 425 }