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 Sylpheed-Claws 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 "manage_window.h"
  51 #include "alertpanel.h"
  52 #include "manual.h"
  53
  54 static struct MessageSearchWindow {
  55         GtkWidget *window;
  56         GtkWidget *body_entry;
  57         GtkWidget *case_checkbtn;
  58         GtkWidget *help_btn;
  59         GtkWidget *prev_btn;
  60         GtkWidget *next_btn;
  61         GtkWidget *close_btn;
  62         GtkWidget *stop_btn;
  63
  64         MessageView *messageview;
  65
  66         Compose *compose;
  67         gboolean search_compose;
  68         gboolean is_searching;
  69 } search_window;
  70
  71 static void message_search_create       (void);
  72 static void message_search_execute      (gboolean        backward);
  73
  74 static void message_search_prev_clicked (GtkButton      *button,
  75                                          gpointer        data);
  76 static void message_search_next_clicked (GtkButton      *button,
  77                                          gpointer        data);
  78 static void message_search_stop_clicked (GtkButton      *button,
  79                                          gpointer        data);
  80 static void body_activated              (void);
  81 static gboolean key_pressed             (GtkWidget      *widget,
  82                                          GdkEventKey    *event,
  83                                          gpointer        data);
  84
  85
  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
  95 static void message_show_stop_button(void)
  96 {
  97         gtk_widget_hide(search_window.close_btn);
  98         gtk_widget_show(search_window.stop_btn);
  99         GTK_BUTTON_SET_SENSITIVE(search_window.prev_btn, FALSE)
 100         GTK_BUTTON_SET_SENSITIVE(search_window.next_btn, FALSE)
 101 }
 102
 103 static void message_hide_stop_button(void)
 104 {
 105         gtk_widget_hide(search_window.stop_btn);
 106         gtk_widget_show(search_window.close_btn);
 107         gtk_widget_set_sensitive(search_window.prev_btn, TRUE);
 108         gtk_widget_set_sensitive(search_window.next_btn, TRUE);
 109 }
 110
 111 void message_search(MessageView *messageview)
 112 {
 113         if (!search_window.window)
 114                 message_search_create();
 115         else
 116                 gtk_widget_hide(search_window.window);
 117
 118         search_window.messageview = messageview;
 119         search_window.search_compose = FALSE;
 120
 121         gtk_widget_grab_focus(search_window.next_btn);
 122         gtk_widget_grab_focus(search_window.body_entry);
 123         gtk_widget_show(search_window.window);
 124 }
 125
 126 void message_search_compose(Compose *compose)
 127 {
 128         if (!search_window.window)
 129                 message_search_create();
 130         else
 131                 gtk_widget_hide(search_window.window);
 132
 133         search_window.compose = compose;
 134         search_window.search_compose = TRUE;
 135
 136         gtk_widget_grab_focus(search_window.next_btn);
 137         gtk_widget_grab_focus(search_window.body_entry);
 138         gtk_widget_show(search_window.window);
 139 }
 140
 141 static void message_search_create(void)
 142 {
 143         GtkWidget *window;
 144
 145         GtkWidget *vbox1;
 146         GtkWidget *hbox1;
 147         GtkWidget *body_label;
 148         GtkWidget *body_entry;
 149
 150         GtkWidget *checkbtn_hbox;
 151         GtkWidget *case_checkbtn;
 152
 153         GtkWidget *confirm_area;
 154         GtkWidget *help_btn;
 155         GtkWidget *prev_btn;
 156         GtkWidget *next_btn;
 157         GtkWidget *close_btn;
 158         GtkWidget *stop_btn;
 159
 160         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 161         gtk_window_set_title (GTK_WINDOW (window),
 162                               _("Find in current message"));
 163         gtk_widget_set_size_request (window, 450, -1);
 164         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 165         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 166         g_signal_connect(G_OBJECT(window), "delete_event",
 167                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 168         g_signal_connect(G_OBJECT(window), "key_press_event",
 169                          G_CALLBACK(key_pressed), NULL);
 170         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 171
 172         vbox1 = gtk_vbox_new (FALSE, 0);
 173         gtk_widget_show (vbox1);
 174         gtk_container_add (GTK_CONTAINER (window), vbox1);
 175
 176         hbox1 = gtk_hbox_new (FALSE, 8);
 177         gtk_widget_show (hbox1);
 178         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, TRUE, TRUE, 0);
 179
 180         body_label = gtk_label_new (_("Find text:"));
 181         gtk_widget_show (body_label);
 182         gtk_box_pack_start (GTK_BOX (hbox1), body_label, FALSE, FALSE, 0);
 183
 184         body_entry = gtk_entry_new ();
 185         gtk_widget_show (body_entry);
 186         gtk_box_pack_start (GTK_BOX (hbox1), body_entry, TRUE, TRUE, 0);
 187         g_signal_connect(G_OBJECT(body_entry), "activate",
 188                          G_CALLBACK(body_activated), NULL);
 189
 190         checkbtn_hbox = gtk_hbox_new (FALSE, 8);
 191         gtk_widget_show (checkbtn_hbox);
 192         gtk_box_pack_start (GTK_BOX (vbox1), checkbtn_hbox, TRUE, TRUE, 0);
 193         gtk_container_set_border_width (GTK_CONTAINER (checkbtn_hbox), 8);
 194
 195         case_checkbtn = gtk_check_button_new_with_label (_("Case sensitive"));
 196         gtk_widget_show (case_checkbtn);
 197         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), case_checkbtn,
 198                             FALSE, FALSE, 0);
 199
 200         confirm_area = gtk_hbutton_box_new();
 201         gtk_widget_show (confirm_area);
 202         gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area),
 203                                   GTK_BUTTONBOX_END);
 204         gtk_box_set_spacing(GTK_BOX(confirm_area), 5);
 205
 206         gtkut_stock_button_add_help(confirm_area, &help_btn);
 207
 208         prev_btn = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
 209         GTK_WIDGET_SET_FLAGS(prev_btn, GTK_CAN_DEFAULT);
 210         gtk_box_pack_start(GTK_BOX(confirm_area), prev_btn, TRUE, TRUE, 0);
 211         gtk_widget_show(prev_btn);
 212
 213         next_btn = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 214         GTK_WIDGET_SET_FLAGS(next_btn, GTK_CAN_DEFAULT);
 215         gtk_box_pack_start(GTK_BOX(confirm_area), next_btn, TRUE, TRUE, 0);
 216         gtk_widget_show(next_btn);
 217
 218         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 219         GTK_WIDGET_SET_FLAGS(close_btn, GTK_CAN_DEFAULT);
 220         gtk_box_pack_start(GTK_BOX(confirm_area), close_btn, TRUE, TRUE, 0);
 221         gtk_widget_show(close_btn);
 222
 223         /* stop button hidden */
 224         stop_btn = gtk_button_new_from_stock(GTK_STOCK_STOP);
 225         GTK_WIDGET_SET_FLAGS(stop_btn, GTK_CAN_DEFAULT);
 226         gtk_box_pack_start(GTK_BOX(confirm_area), stop_btn, TRUE, TRUE, 0);
 227
 228         gtk_widget_show (confirm_area);
 229         gtk_box_pack_start (GTK_BOX (vbox1), confirm_area, FALSE, FALSE, 0);
 230         gtk_widget_grab_default(next_btn);
 231
 232         g_signal_connect(G_OBJECT(help_btn), "clicked",
 233                          G_CALLBACK(manual_open_with_anchor_cb),
 234                          MANUAL_ANCHOR_SEARCHING);
 235         g_signal_connect(G_OBJECT(prev_btn), "clicked",
 236                          G_CALLBACK(message_search_prev_clicked), NULL);
 237         g_signal_connect(G_OBJECT(next_btn), "clicked",
 238                          G_CALLBACK(message_search_next_clicked), NULL);
 239         g_signal_connect_closure
 240                 (G_OBJECT(close_btn), "clicked",
 241                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide),
 242                                      window, NULL),
 243                  FALSE);
 244         g_signal_connect(G_OBJECT(stop_btn), "clicked",
 245                          G_CALLBACK(message_search_stop_clicked), NULL);
 246
 247         search_window.window = window;
 248         search_window.body_entry = body_entry;
 249         search_window.case_checkbtn = case_checkbtn;
 250         search_window.help_btn = help_btn;
 251         search_window.prev_btn = prev_btn;
 252         search_window.next_btn = next_btn;
 253         search_window.close_btn = close_btn;
 254         search_window.stop_btn = stop_btn;
 255 }
 256
 257 static void message_search_execute(gboolean backward)
 258 {
 259         MessageView *messageview = search_window.messageview;
 260         Compose *compose = search_window.compose;
 261         gboolean case_sens;
 262         gboolean all_searched = FALSE;
 263         const gchar *body_str;
 264
 265         body_str = gtk_entry_get_text(GTK_ENTRY(search_window.body_entry));
 266         if (*body_str == '\0') return;
 267
 268         case_sens = gtk_toggle_button_get_active
 269                 (GTK_TOGGLE_BUTTON(search_window.case_checkbtn));
 270
 271         search_window.is_searching = TRUE;
 272         message_show_stop_button();
 273
 274         for (; search_window.is_searching;) {
 275                 gchar *str;
 276                 AlertValue val;
 277
 278                 if (backward) {
 279                         if (search_window.search_compose) {
 280                                 if (compose_search_string_backward
 281                                         (compose, body_str, case_sens) == TRUE)
 282                                         break;
 283                         } else {
 284                                 if (messageview_search_string_backward
 285                                         (messageview, body_str, case_sens) == TRUE)
 286                                         break;
 287                         }
 288                 } else {
 289                         if (search_window.search_compose) {
 290                                 if (compose_search_string
 291                                         (compose, body_str, case_sens) == TRUE)
 292                                         break;
 293                         } else {
 294                                 if (messageview_search_string
 295                                         (messageview, body_str, case_sens) == TRUE)
 296                                         break;
 297                         }
 298                 }
 299
 300                 if (all_searched) {
 301                         alertpanel_full(_("Search failed"),
 302                                         _("Search string not found."),
 303                                          GTK_STOCK_CLOSE, NULL, NULL, FALSE,
 304                                          NULL, ALERT_WARNING, G_ALERTDEFAULT);
 305                         break;
 306                 }
 307
 308                 all_searched = TRUE;
 309
 310                 if (backward)
 311                         str = _("Beginning of message reached; "
 312                                 "continue from end?");
 313                 else
 314                         str = _("End of message reached; "
 315                                 "continue from beginning?");
 316
 317                 val = alertpanel(_("Search finished"), str,
 318                                  GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
 319                 if (G_ALERTALTERNATE == val) {
 320                         manage_window_focus_in(search_window.window,
 321                                                NULL, NULL);
 322                         if (search_window.search_compose) {
 323                                 compose_set_position(compose,
 324                                                          backward ? -1 : 0);
 325                         } else {
 326                                 messageview_set_position(messageview,
 327                                                          backward ? -1 : 0);
 328                         }
 329                 } else
 330                         break;
 331         }
 332
 333         search_window.is_searching = FALSE;
 334         message_hide_stop_button();
 335 }
 336
 337 static void message_search_prev_clicked(GtkButton *button, gpointer data)
 338 {
 339         message_search_execute(TRUE);
 340 }
 341
 342 static void message_search_next_clicked(GtkButton *button, gpointer data)
 343 {
 344         message_search_execute(FALSE);
 345 }
 346
 347 static void body_activated(void)
 348 {
 349         gtk_button_clicked(GTK_BUTTON(search_window.next_btn));
 350 }
 351
 352 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 353                             gpointer data)
 354 {
 355         if (event && event->keyval == GDK_Escape)
 356                 gtk_widget_hide(search_window.window);
 357         return FALSE;
 358 }
 359
 360 static void message_search_stop_clicked(GtkButton *button, gpointer data)
 361 {
 362         search_window.is_searching = FALSE;
 363 }