src/message_search.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 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 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {                                    \
  85         gtk_widget_set_sensitive(widget, sensitive);                                    \
  86 }
  87
  88 static void message_show_stop_button(void)
  89 {
  90         gtk_widget_hide(search_window.close_btn);
  91         gtk_widget_show(search_window.stop_btn);
  92         GTK_BUTTON_SET_SENSITIVE(search_window.prev_btn, FALSE)
  93         GTK_BUTTON_SET_SENSITIVE(search_window.next_btn, FALSE)
  94 }
  95
  96 static void message_hide_stop_button(void)
  97 {
  98         gtk_widget_hide(search_window.stop_btn);
  99         gtk_widget_show(search_window.close_btn);
 100         gtk_widget_set_sensitive(search_window.prev_btn, TRUE);
 101         gtk_widget_set_sensitive(search_window.next_btn, TRUE);
 102 }
 103
 104 void message_search(MessageView *messageview)
 105 {
 106         if (!search_window.window)
 107                 message_search_create();
 108         else
 109                 gtk_widget_hide(search_window.window);
 110
 111         search_window.messageview = messageview;
 112         search_window.search_compose = FALSE;
 113
 114         gtk_widget_grab_focus(search_window.next_btn);
 115         gtk_widget_grab_focus(search_window.body_entry);
 116         gtk_widget_show(search_window.window);
 117 }
 118
 119 void message_search_compose(Compose *compose)
 120 {
 121         if (!search_window.window)
 122                 message_search_create();
 123         else
 124                 gtk_widget_hide(search_window.window);
 125
 126         search_window.compose = compose;
 127         search_window.search_compose = TRUE;
 128
 129         gtk_widget_grab_focus(search_window.next_btn);
 130         gtk_widget_grab_focus(search_window.body_entry);
 131         gtk_widget_show(search_window.window);
 132 }
 133
 134 static void message_search_create(void)
 135 {
 136         GtkWidget *window;
 137
 138         GtkWidget *vbox1;
 139         GtkWidget *hbox1;
 140         GtkWidget *body_label;
 141         GtkWidget *body_entry;
 142
 143         GtkWidget *checkbtn_hbox;
 144         GtkWidget *case_checkbtn;
 145
 146         GtkWidget *confirm_area;
 147         GtkWidget *help_btn;
 148         GtkWidget *prev_btn;
 149         GtkWidget *next_btn;
 150         GtkWidget *close_btn;
 151         GtkWidget *stop_btn;
 152
 153         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "message_search");
 154         gtk_window_set_title (GTK_WINDOW (window),
 155                               _("Find in current message"));
 156         gtk_widget_set_size_request (window, 450, -1);
 157         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 158         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 159         g_signal_connect(G_OBJECT(window), "delete_event",
 160                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 161         g_signal_connect(G_OBJECT(window), "key_press_event",
 162                          G_CALLBACK(key_pressed), NULL);
 163         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 164
 165         vbox1 = gtk_vbox_new (FALSE, 0);
 166         gtk_widget_show (vbox1);
 167         gtk_container_add (GTK_CONTAINER (window), vbox1);
 168
 169         hbox1 = gtk_hbox_new (FALSE, 8);
 170         gtk_widget_show (hbox1);
 171         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, TRUE, TRUE, 0);
 172
 173         body_label = gtk_label_new (_("Find text:"));
 174         gtk_widget_show (body_label);
 175         gtk_box_pack_start (GTK_BOX (hbox1), body_label, FALSE, FALSE, 0);
 176
 177 #if !GTK_CHECK_VERSION(2, 24, 0)
 178         body_entry = gtk_combo_box_entry_new_text ();
 179 #else
 180         body_entry = gtk_combo_box_text_new_with_entry ();
 181 #endif
 182         gtk_combo_box_set_active(GTK_COMBO_BOX(body_entry), -1);
 183         if (prefs_common.message_search_history)
 184 #if !GTK_CHECK_VERSION(2, 24, 0)
 185                 combobox_set_popdown_strings(GTK_COMBO_BOX(body_entry),
 186                                 prefs_common.message_search_history);
 187 #else
 188                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(body_entry),
 189                                 prefs_common.message_search_history);
 190 #endif
 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         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 196                          "focus_in_event", G_CALLBACK(body_entry_focus_evt_in), NULL);
 197         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 198                          "focus_out_event", G_CALLBACK(body_entry_focus_evt_out), NULL);
 199
 200         checkbtn_hbox = gtk_hbox_new (FALSE, 8);
 201         gtk_widget_show (checkbtn_hbox);
 202         gtk_box_pack_start (GTK_BOX (vbox1), checkbtn_hbox, TRUE, TRUE, 0);
 203         gtk_container_set_border_width (GTK_CONTAINER (checkbtn_hbox), 8);
 204
 205         case_checkbtn = gtk_check_button_new_with_label (_("Case sensitive"));
 206         gtk_widget_show (case_checkbtn);
 207         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), case_checkbtn,
 208                             FALSE, FALSE, 0);
 209
 210         confirm_area = gtk_hbutton_box_new();
 211         gtk_widget_show (confirm_area);
 212         gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area),
 213                                   GTK_BUTTONBOX_END);
 214         gtk_box_set_spacing(GTK_BOX(confirm_area), 5);
 215
 216         gtkut_stock_button_add_help(confirm_area, &help_btn);
 217
 218         prev_btn = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
 219         gtkut_widget_set_can_default(prev_btn, TRUE);
 220         gtk_box_pack_start(GTK_BOX(confirm_area), prev_btn, TRUE, TRUE, 0);
 221         gtk_widget_show(prev_btn);
 222
 223         next_btn = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 224         gtkut_widget_set_can_default(next_btn, TRUE);
 225         gtk_box_pack_start(GTK_BOX(confirm_area), next_btn, TRUE, TRUE, 0);
 226         gtk_widget_show(next_btn);
 227
 228         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 229         gtkut_widget_set_can_default(close_btn, TRUE);
 230         gtk_box_pack_start(GTK_BOX(confirm_area), close_btn, TRUE, TRUE, 0);
 231         gtk_widget_show(close_btn);
 232
 233         /* stop button hidden */
 234         stop_btn = gtk_button_new_from_stock(GTK_STOCK_STOP);
 235         gtkut_widget_set_can_default(stop_btn, TRUE);
 236         gtk_box_pack_start(GTK_BOX(confirm_area), stop_btn, TRUE, TRUE, 0);
 237
 238         gtk_widget_show (confirm_area);
 239         gtk_box_pack_start (GTK_BOX (vbox1), confirm_area, FALSE, FALSE, 0);
 240         gtk_widget_grab_default(next_btn);
 241
 242         g_signal_connect(G_OBJECT(help_btn), "clicked",
 243                          G_CALLBACK(manual_open_with_anchor_cb),
 244                          MANUAL_ANCHOR_SEARCHING);
 245         g_signal_connect(G_OBJECT(prev_btn), "clicked",
 246                          G_CALLBACK(message_search_prev_clicked), NULL);
 247         g_signal_connect(G_OBJECT(next_btn), "clicked",
 248                          G_CALLBACK(message_search_next_clicked), NULL);
 249         g_signal_connect_closure
 250                 (G_OBJECT(close_btn), "clicked",
 251                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide),
 252                                      window, NULL),
 253                  FALSE);
 254         g_signal_connect(G_OBJECT(stop_btn), "clicked",
 255                          G_CALLBACK(message_search_stop_clicked), NULL);
 256
 257         search_window.window = window;
 258         search_window.body_entry = body_entry;
 259         search_window.case_checkbtn = case_checkbtn;
 260         search_window.help_btn = help_btn;
 261         search_window.prev_btn = prev_btn;
 262         search_window.next_btn = next_btn;
 263         search_window.close_btn = close_btn;
 264         search_window.stop_btn = stop_btn;
 265 }
 266
 267 static void message_search_execute(gboolean backward)
 268 {
 269         MessageView *messageview = search_window.messageview;
 270         Compose *compose = search_window.compose;
 271         gboolean case_sens;
 272         gboolean all_searched = FALSE;
 273         gchar *body_str;
 274
 275 #if !GTK_CHECK_VERSION(2, 24, 0)
 276         body_str = gtk_combo_box_get_active_text(GTK_COMBO_BOX(search_window.body_entry));
 277 #else
 278         body_str = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(search_window.body_entry));
 279 #endif
 280         if (!body_str)
 281                 body_str = gtk_editable_get_chars(
 282                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(search_window.body_entry))),0,-1);
 283         if (!body_str || *body_str == '\0') return;
 284
 285         /* add to history */
 286 #if !GTK_CHECK_VERSION(2, 24, 0)
 287         combobox_unset_popdown_strings(GTK_COMBO_BOX(search_window.body_entry));
 288 #else
 289         combobox_unset_popdown_strings(GTK_COMBO_BOX_TEXT(search_window.body_entry));
 290 #endif
 291         prefs_common.message_search_history = add_history(
 292                         prefs_common.message_search_history, body_str);
 293 #if !GTK_CHECK_VERSION(2, 24, 0)
 294         combobox_set_popdown_strings(GTK_COMBO_BOX(search_window.body_entry),
 295                         prefs_common.message_search_history);
 296 #else
 297         combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(search_window.body_entry),
 298                         prefs_common.message_search_history);
 299 #endif
 300
 301         case_sens = gtk_toggle_button_get_active
 302                 (GTK_TOGGLE_BUTTON(search_window.case_checkbtn));
 303
 304         search_window.is_searching = TRUE;
 305         message_show_stop_button();
 306
 307         for (; search_window.is_searching;) {
 308                 gchar *str;
 309                 AlertValue val;
 310
 311                 if (backward) {
 312                         if (search_window.search_compose) {
 313                                 if (compose_search_string_backward
 314                                         (compose, body_str, case_sens) == TRUE)
 315                                         break;
 316                         } else {
 317                                 if (messageview_search_string_backward
 318                                         (messageview, body_str, case_sens) == TRUE)
 319                                         break;
 320                         }
 321                 } else {
 322                         if (search_window.search_compose) {
 323                                 if (compose_search_string
 324                                         (compose, body_str, case_sens) == TRUE)
 325                                         break;
 326                         } else {
 327                                 if (messageview_search_string
 328                                         (messageview, body_str, case_sens) == TRUE)
 329                                         break;
 330                         }
 331                 }
 332
 333                 if (all_searched) {
 334                         alertpanel_full(_("Search failed"),
 335                                         _("Search string not found."),
 336                                          GTK_STOCK_CLOSE, NULL, NULL, FALSE,
 337                                          NULL, ALERT_WARNING, G_ALERTDEFAULT);
 338                         break;
 339                 }
 340
 341                 all_searched = TRUE;
 342
 343                 if (backward)
 344                         str = _("Beginning of message reached; "
 345                                 "continue from end?");
 346                 else
 347                         str = _("End of message reached; "
 348                                 "continue from beginning?");
 349
 350                 val = alertpanel(_("Search finished"), str,
 351                                  GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
 352                 if (G_ALERTALTERNATE == val) {
 353                         manage_window_focus_in(search_window.window,
 354                                                NULL, NULL);
 355                         if (search_window.search_compose) {
 356                                 compose_set_position(compose,
 357                                                          backward ? -1 : 0);
 358                         } else {
 359                                 messageview_set_position(messageview,
 360                                                          backward ? -1 : 0);
 361                         }
 362                 } else
 363                         break;
 364         }
 365
 366         search_window.is_searching = FALSE;
 367         message_hide_stop_button();
 368         g_free(body_str);
 369 }
 370
 371 static void body_changed(void)
 372 {
 373         if (!search_window.body_entry_has_focus)
 374                 gtk_widget_grab_focus(search_window.body_entry);
 375 }
 376
 377 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 378                                   gpointer data)
 379 {
 380         search_window.body_entry_has_focus = TRUE;
 381         return FALSE;
 382 }
 383
 384 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 385                                   gpointer data)
 386 {
 387         search_window.body_entry_has_focus = FALSE;
 388         return FALSE;
 389 }
 390
 391 static void message_search_prev_clicked(GtkButton *button, gpointer data)
 392 {
 393         message_search_execute(TRUE);
 394 }
 395
 396 static void message_search_next_clicked(GtkButton *button, gpointer data)
 397 {
 398         message_search_execute(FALSE);
 399 }
 400
 401 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 402                             gpointer data)
 403 {
 404         if (event && (event->keyval == GDK_KEY_Escape)) {
 405                 gtk_widget_hide(search_window.window);
 406         }
 407
 408         if (event && (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter)) {
 409                 message_search_execute(FALSE);
 410         }
 411
 412         if (event && (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_Up)) {
 413                 if (search_window.body_entry_has_focus) {
 414                         combobox_set_value_from_arrow_key(
 415                                         GTK_COMBO_BOX(search_window.body_entry),
 416                                         event->keyval);
 417                         return TRUE;
 418                 }
 419         }
 420
 421         return FALSE;
 422 }
 423
 424 static void message_search_stop_clicked(GtkButton *button, gpointer data)
 425 {
 426         search_window.is_searching = FALSE;
 427 }