src/message_search.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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/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         gboolean body_entry_has_focus;
  72 } search_window;
  73
  74 static void message_search_create       (void);
  75 static void message_search_execute      (gboolean        backward);
  76
  77 static void message_search_prev_clicked (GtkButton      *button,
  78                                          gpointer        data);
  79 static void message_search_next_clicked (GtkButton      *button,
  80                                          gpointer        data);
  81 static void message_search_stop_clicked (GtkButton      *button,
  82                                          gpointer        data);
  83 static void body_changed                (void);
  84 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
  85                                   gpointer data);
  86 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
  87                                   gpointer data);
  88 static gboolean key_pressed             (GtkWidget      *widget,
  89                                          GdkEventKey    *event,
  90                                          gpointer        data);
  91
  92
  93 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {    \
  94         gboolean in_btn = FALSE;                                                        \
  95         if (GTK_IS_BUTTON(widget))                                                      \
  96                 in_btn = GTK_BUTTON(widget)->in_button;                 \
  97         gtk_widget_set_sensitive(widget, sensitive);            \
  98         if (GTK_IS_BUTTON(widget))                                                      \
  99                 GTK_BUTTON(widget)->in_button = in_btn;                 \
 100 }
 101
 102 static void message_show_stop_button(void)
 103 {
 104         gtk_widget_hide(search_window.close_btn);
 105         gtk_widget_show(search_window.stop_btn);
 106         GTK_BUTTON_SET_SENSITIVE(search_window.prev_btn, FALSE)
 107         GTK_BUTTON_SET_SENSITIVE(search_window.next_btn, FALSE)
 108 }
 109
 110 static void message_hide_stop_button(void)
 111 {
 112         gtk_widget_hide(search_window.stop_btn);
 113         gtk_widget_show(search_window.close_btn);
 114         gtk_widget_set_sensitive(search_window.prev_btn, TRUE);
 115         gtk_widget_set_sensitive(search_window.next_btn, TRUE);
 116 }
 117
 118 void message_search(MessageView *messageview)
 119 {
 120         if (!search_window.window)
 121                 message_search_create();
 122         else
 123                 gtk_widget_hide(search_window.window);
 124
 125         search_window.messageview = messageview;
 126         search_window.search_compose = FALSE;
 127
 128         gtk_widget_grab_focus(search_window.next_btn);
 129         gtk_widget_grab_focus(search_window.body_entry);
 130         gtk_widget_show(search_window.window);
 131 }
 132
 133 void message_search_compose(Compose *compose)
 134 {
 135         if (!search_window.window)
 136                 message_search_create();
 137         else
 138                 gtk_widget_hide(search_window.window);
 139
 140         search_window.compose = compose;
 141         search_window.search_compose = TRUE;
 142
 143         gtk_widget_grab_focus(search_window.next_btn);
 144         gtk_widget_grab_focus(search_window.body_entry);
 145         gtk_widget_show(search_window.window);
 146 }
 147
 148 static void message_search_create(void)
 149 {
 150         GtkWidget *window;
 151
 152         GtkWidget *vbox1;
 153         GtkWidget *hbox1;
 154         GtkWidget *body_label;
 155         GtkWidget *body_entry;
 156
 157         GtkWidget *checkbtn_hbox;
 158         GtkWidget *case_checkbtn;
 159
 160         GtkWidget *confirm_area;
 161         GtkWidget *help_btn;
 162         GtkWidget *prev_btn;
 163         GtkWidget *next_btn;
 164         GtkWidget *close_btn;
 165         GtkWidget *stop_btn;
 166
 167         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "message_search");
 168         gtk_window_set_title (GTK_WINDOW (window),
 169                               _("Find in current message"));
 170         gtk_widget_set_size_request (window, 450, -1);
 171         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 172         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 173         g_signal_connect(G_OBJECT(window), "delete_event",
 174                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 175         g_signal_connect(G_OBJECT(window), "key_press_event",
 176                          G_CALLBACK(key_pressed), NULL);
 177         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 178
 179         vbox1 = gtk_vbox_new (FALSE, 0);
 180         gtk_widget_show (vbox1);
 181         gtk_container_add (GTK_CONTAINER (window), vbox1);
 182
 183         hbox1 = gtk_hbox_new (FALSE, 8);
 184         gtk_widget_show (hbox1);
 185         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, TRUE, TRUE, 0);
 186
 187         body_label = gtk_label_new (_("Find text:"));
 188         gtk_widget_show (body_label);
 189         gtk_box_pack_start (GTK_BOX (hbox1), body_label, FALSE, FALSE, 0);
 190
 191         body_entry = gtk_combo_box_entry_new_text ();
 192         gtk_combo_box_set_active(GTK_COMBO_BOX(body_entry), -1);
 193         if (prefs_common.message_search_history)
 194                 combobox_set_popdown_strings(GTK_COMBO_BOX(body_entry),
 195                                 prefs_common.message_search_history);
 196         gtk_widget_show (body_entry);
 197         gtk_box_pack_start (GTK_BOX (hbox1), body_entry, TRUE, TRUE, 0);
 198         g_signal_connect(G_OBJECT(body_entry), "changed",
 199                          G_CALLBACK(body_changed), NULL);
 200         g_signal_connect(G_OBJECT(GTK_BIN(body_entry)->child),
 201                          "focus_in_event", G_CALLBACK(body_entry_focus_evt_in), NULL);
 202         g_signal_connect(G_OBJECT(GTK_BIN(body_entry)->child),
 203                          "focus_out_event", G_CALLBACK(body_entry_focus_evt_out), NULL);
 204
 205         checkbtn_hbox = gtk_hbox_new (FALSE, 8);
 206         gtk_widget_show (checkbtn_hbox);
 207         gtk_box_pack_start (GTK_BOX (vbox1), checkbtn_hbox, TRUE, TRUE, 0);
 208         gtk_container_set_border_width (GTK_CONTAINER (checkbtn_hbox), 8);
 209
 210         case_checkbtn = gtk_check_button_new_with_label (_("Case sensitive"));
 211         gtk_widget_show (case_checkbtn);
 212         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), case_checkbtn,
 213                             FALSE, FALSE, 0);
 214
 215         confirm_area = gtk_hbutton_box_new();
 216         gtk_widget_show (confirm_area);
 217         gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area),
 218                                   GTK_BUTTONBOX_END);
 219         gtk_box_set_spacing(GTK_BOX(confirm_area), 5);
 220
 221         gtkut_stock_button_add_help(confirm_area, &help_btn);
 222
 223         prev_btn = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
 224         GTK_WIDGET_SET_FLAGS(prev_btn, GTK_CAN_DEFAULT);
 225         gtk_box_pack_start(GTK_BOX(confirm_area), prev_btn, TRUE, TRUE, 0);
 226         gtk_widget_show(prev_btn);
 227
 228         next_btn = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 229         GTK_WIDGET_SET_FLAGS(next_btn, GTK_CAN_DEFAULT);
 230         gtk_box_pack_start(GTK_BOX(confirm_area), next_btn, TRUE, TRUE, 0);
 231         gtk_widget_show(next_btn);
 232
 233         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 234         GTK_WIDGET_SET_FLAGS(close_btn, GTK_CAN_DEFAULT);
 235         gtk_box_pack_start(GTK_BOX(confirm_area), close_btn, TRUE, TRUE, 0);
 236         gtk_widget_show(close_btn);
 237
 238         /* stop button hidden */
 239         stop_btn = gtk_button_new_from_stock(GTK_STOCK_STOP);
 240         GTK_WIDGET_SET_FLAGS(stop_btn, GTK_CAN_DEFAULT);
 241         gtk_box_pack_start(GTK_BOX(confirm_area), stop_btn, TRUE, TRUE, 0);
 242
 243         gtk_widget_show (confirm_area);
 244         gtk_box_pack_start (GTK_BOX (vbox1), confirm_area, FALSE, FALSE, 0);
 245         gtk_widget_grab_default(next_btn);
 246
 247         g_signal_connect(G_OBJECT(help_btn), "clicked",
 248                          G_CALLBACK(manual_open_with_anchor_cb),
 249                          MANUAL_ANCHOR_SEARCHING);
 250         g_signal_connect(G_OBJECT(prev_btn), "clicked",
 251                          G_CALLBACK(message_search_prev_clicked), NULL);
 252         g_signal_connect(G_OBJECT(next_btn), "clicked",
 253                          G_CALLBACK(message_search_next_clicked), NULL);
 254         g_signal_connect_closure
 255                 (G_OBJECT(close_btn), "clicked",
 256                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide),
 257                                      window, NULL),
 258                  FALSE);
 259         g_signal_connect(G_OBJECT(stop_btn), "clicked",
 260                          G_CALLBACK(message_search_stop_clicked), NULL);
 261
 262         search_window.window = window;
 263         search_window.body_entry = body_entry;
 264         search_window.case_checkbtn = case_checkbtn;
 265         search_window.help_btn = help_btn;
 266         search_window.prev_btn = prev_btn;
 267         search_window.next_btn = next_btn;
 268         search_window.close_btn = close_btn;
 269         search_window.stop_btn = stop_btn;
 270 }
 271
 272 static void message_search_execute(gboolean backward)
 273 {
 274         MessageView *messageview = search_window.messageview;
 275         Compose *compose = search_window.compose;
 276         gboolean case_sens;
 277         gboolean all_searched = FALSE;
 278         gchar *body_str;
 279
 280         body_str = gtk_combo_box_get_active_text(GTK_COMBO_BOX(search_window.body_entry));
 281         if (!body_str)
 282                 body_str = gtk_editable_get_chars(
 283                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(search_window.body_entry))),0,-1);
 284         if (!body_str || *body_str == '\0') return;
 285
 286         /* add to history */
 287         combobox_unset_popdown_strings(GTK_COMBO_BOX(search_window.body_entry));
 288         prefs_common.message_search_history = add_history(
 289                         prefs_common.message_search_history, body_str);
 290         combobox_set_popdown_strings(GTK_COMBO_BOX(search_window.body_entry),
 291                         prefs_common.message_search_history);
 292
 293         case_sens = gtk_toggle_button_get_active
 294                 (GTK_TOGGLE_BUTTON(search_window.case_checkbtn));
 295
 296         search_window.is_searching = TRUE;
 297         message_show_stop_button();
 298
 299         for (; search_window.is_searching;) {
 300                 gchar *str;
 301                 AlertValue val;
 302
 303                 if (backward) {
 304                         if (search_window.search_compose) {
 305                                 if (compose_search_string_backward
 306                                         (compose, body_str, case_sens) == TRUE)
 307                                         break;
 308                         } else {
 309                                 if (messageview_search_string_backward
 310                                         (messageview, body_str, case_sens) == TRUE)
 311                                         break;
 312                         }
 313                 } else {
 314                         if (search_window.search_compose) {
 315                                 if (compose_search_string
 316                                         (compose, body_str, case_sens) == TRUE)
 317                                         break;
 318                         } else {
 319                                 if (messageview_search_string
 320                                         (messageview, body_str, case_sens) == TRUE)
 321                                         break;
 322                         }
 323                 }
 324
 325                 if (all_searched) {
 326                         alertpanel_full(_("Search failed"),
 327                                         _("Search string not found."),
 328                                          GTK_STOCK_CLOSE, NULL, NULL, FALSE,
 329                                          NULL, ALERT_WARNING, G_ALERTDEFAULT);
 330                         break;
 331                 }
 332
 333                 all_searched = TRUE;
 334
 335                 if (backward)
 336                         str = _("Beginning of message reached; "
 337                                 "continue from end?");
 338                 else
 339                         str = _("End of message reached; "
 340                                 "continue from beginning?");
 341
 342                 val = alertpanel(_("Search finished"), str,
 343                                  GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
 344                 if (G_ALERTALTERNATE == val) {
 345                         manage_window_focus_in(search_window.window,
 346                                                NULL, NULL);
 347                         if (search_window.search_compose) {
 348                                 compose_set_position(compose,
 349                                                          backward ? -1 : 0);
 350                         } else {
 351                                 messageview_set_position(messageview,
 352                                                          backward ? -1 : 0);
 353                         }
 354                 } else
 355                         break;
 356         }
 357
 358         search_window.is_searching = FALSE;
 359         message_hide_stop_button();
 360         g_free(body_str);
 361 }
 362
 363 static void body_changed(void)
 364 {
 365         if (!search_window.body_entry_has_focus)
 366                 gtk_widget_grab_focus(search_window.body_entry);
 367 }
 368
 369 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 370                                   gpointer data)
 371 {
 372         search_window.body_entry_has_focus = TRUE;
 373         return FALSE;
 374 }
 375
 376 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 377                                   gpointer data)
 378 {
 379         search_window.body_entry_has_focus = FALSE;
 380         return FALSE;
 381 }
 382
 383 static void message_search_prev_clicked(GtkButton *button, gpointer data)
 384 {
 385         message_search_execute(TRUE);
 386 }
 387
 388 static void message_search_next_clicked(GtkButton *button, gpointer data)
 389 {
 390         message_search_execute(FALSE);
 391 }
 392
 393 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 394                             gpointer data)
 395 {
 396         if (event && (event->keyval == GDK_Escape)) {
 397                 gtk_widget_hide(search_window.window);
 398         }
 399
 400         if (event && (event->keyval == GDK_Return || event->keyval == GDK_KP_Enter)) {
 401                 message_search_execute(FALSE);
 402         }
 403
 404         if (event && (event->keyval == GDK_Down || event->keyval == GDK_Up)) {
 405                 if (search_window.body_entry_has_focus) {
 406                         combobox_set_value_from_arrow_key(
 407                                         GTK_COMBO_BOX(search_window.body_entry),
 408                                         event->keyval);
 409                         return TRUE;
 410                 }
 411         }
 412
 413         return FALSE;
 414 }
 415
 416 static void message_search_stop_clicked(GtkButton *button, gpointer data)
 417 {
 418         search_window.is_searching = FALSE;
 419 }