libempathy-gtk/empathy-search-bar.c

   1 /* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /*
   3  * Copyright (C) 2010 Thomas Meire <blackskad@gmail.com>
   4  *
   5  * The code contained in this file is free software; you can redistribute
   6  * it and/or modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either version
   8  * 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This file 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 GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this code; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  */
  19
  20 #include "config.h"
  21 #include "empathy-search-bar.h"
  22
  23 #include <glib/gi18n-lib.h>
  24 #include <tp-account-widgets/tpaw-builder.h>
  25 #include <tp-account-widgets/tpaw-utils.h>
  26
  27 #include "empathy-ui-utils.h"
  28 #include "empathy-utils.h"
  29
  30 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathySearchBar)
  31
  32 G_DEFINE_TYPE (EmpathySearchBar, empathy_search_bar, GTK_TYPE_BOX);
  33
  34 typedef struct _EmpathySearchBarPriv EmpathySearchBarPriv;
  35 struct _EmpathySearchBarPriv
  36 {
  37   EmpathyThemeAdium *chat_view;
  38
  39   GtkWidget *search_entry;
  40
  41   GtkWidget *search_match_case;
  42
  43   GtkWidget *search_match_case_toolitem;
  44
  45   GtkWidget *search_close;
  46   GtkWidget *search_previous;
  47   GtkWidget *search_next;
  48   GtkWidget *search_not_found;
  49 };
  50
  51 GtkWidget *
  52 empathy_search_bar_new (EmpathyThemeAdium *view)
  53 {
  54   EmpathySearchBar *self = g_object_new (EMPATHY_TYPE_SEARCH_BAR, NULL);
  55
  56   GET_PRIV (self)->chat_view = view;
  57
  58   return GTK_WIDGET (self);
  59 }
  60
  61 static void
  62 empathy_search_bar_update_buttons (EmpathySearchBar *self,
  63     gchar *search,
  64     gboolean match_case)
  65 {
  66   gboolean can_go_forward = FALSE;
  67   gboolean can_go_backward = FALSE;
  68
  69   EmpathySearchBarPriv* priv = GET_PRIV (self);
  70
  71   /* update previous / next buttons */
  72   empathy_theme_adium_find_abilities (priv->chat_view, search, match_case,
  73       &can_go_backward, &can_go_forward);
  74
  75   gtk_widget_set_sensitive (priv->search_previous,
  76       can_go_backward && !TPAW_STR_EMPTY (search));
  77   gtk_widget_set_sensitive (priv->search_next,
  78       can_go_forward && !TPAW_STR_EMPTY (search));
  79 }
  80
  81 static void
  82 empathy_search_bar_update (EmpathySearchBar *self)
  83 {
  84   gchar *search;
  85   gboolean match_case;
  86   EmpathySearchBarPriv *priv = GET_PRIV (self);
  87
  88   search = gtk_editable_get_chars (GTK_EDITABLE(priv->search_entry), 0, -1);
  89   match_case = gtk_toggle_button_get_active (
  90       GTK_TOGGLE_BUTTON (priv->search_match_case));
  91
  92   /* highlight & search */
  93   empathy_theme_adium_highlight (priv->chat_view, search, match_case);
  94
  95   /* update the buttons */
  96   empathy_search_bar_update_buttons (self, search, match_case);
  97
  98   g_free (search);
  99 }
 100
 101 void
 102 empathy_search_bar_show (EmpathySearchBar *self)
 103 {
 104   EmpathySearchBarPriv *priv = GET_PRIV (self);
 105
 106   /* update the highlighting and buttons */
 107   empathy_search_bar_update (self);
 108
 109   /* grab the focus to the search entry */
 110   gtk_widget_grab_focus (priv->search_entry);
 111
 112   gtk_widget_show (GTK_WIDGET (self));
 113 }
 114
 115 void
 116 empathy_search_bar_hide (EmpathySearchBar *self)
 117 {
 118   EmpathySearchBarPriv *priv = GET_PRIV (self);
 119
 120   empathy_theme_adium_highlight (priv->chat_view, "", FALSE);
 121   gtk_widget_hide (GTK_WIDGET (self));
 122
 123   /* give the focus back to the focus-chain with the chat view */
 124   gtk_widget_grab_focus (GTK_WIDGET (priv->chat_view));
 125 }
 126
 127 static void
 128 empathy_search_bar_search (EmpathySearchBar *self,
 129     gboolean next,
 130     gboolean new_search)
 131 {
 132   gchar *search;
 133   gboolean found;
 134   gboolean match_case;
 135   EmpathySearchBarPriv *priv;
 136
 137   priv = GET_PRIV (self);
 138
 139   search = gtk_editable_get_chars (GTK_EDITABLE(priv->search_entry), 0, -1);
 140   match_case = gtk_toggle_button_get_active (
 141       GTK_TOGGLE_BUTTON (priv->search_match_case));
 142
 143   /* highlight & search */
 144   empathy_theme_adium_highlight (priv->chat_view, search, match_case);
 145   if (next)
 146     {
 147       found = empathy_theme_adium_find_next (priv->chat_view,
 148           search,
 149           new_search,
 150           match_case);
 151     }
 152   else
 153     {
 154       found = empathy_theme_adium_find_previous (priv->chat_view,
 155           search,
 156           new_search,
 157           match_case);
 158     }
 159
 160   /* (don't) display the not found label */
 161   gtk_widget_set_visible (priv->search_not_found,
 162       !(found || TPAW_STR_EMPTY (search)));
 163
 164   /* update the buttons */
 165   empathy_search_bar_update_buttons (self, search, match_case);
 166
 167   g_free (search);
 168 }
 169
 170 static void
 171 empathy_search_bar_close_cb (GtkButton *button,
 172     gpointer user_data)
 173 {
 174   empathy_search_bar_hide (EMPATHY_SEARCH_BAR (user_data));
 175 }
 176
 177 static void
 178 empathy_search_bar_entry_changed (GtkEditable *entry,
 179     gpointer user_data)
 180 {
 181   empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), FALSE, TRUE);
 182 }
 183
 184 static gboolean
 185 empathy_search_bar_key_pressed (GtkWidget   *widget,
 186     GdkEventKey *event,
 187     gpointer user_data)
 188 {
 189   if (event->keyval == GDK_KEY_Escape)
 190     {
 191       empathy_search_bar_hide (EMPATHY_SEARCH_BAR (widget));
 192       return TRUE;
 193     }
 194   return FALSE;
 195 }
 196
 197 static void
 198 empathy_search_bar_next_cb (GtkButton *button,
 199     gpointer user_data)
 200 {
 201   empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), TRUE, FALSE);
 202 }
 203
 204 static void
 205 empathy_search_bar_previous_cb (GtkButton *button,
 206     gpointer user_data)
 207 {
 208   empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), FALSE, FALSE);
 209 }
 210
 211 static void
 212 empathy_search_bar_match_case_toggled (GtkButton *button,
 213     gpointer user_data)
 214 {
 215   empathy_search_bar_update (EMPATHY_SEARCH_BAR (user_data));
 216 }
 217
 218 static void
 219 empathy_search_bar_match_case_menu_toggled (GtkWidget *check,
 220     gpointer user_data)
 221 {
 222   EmpathySearchBarPriv* priv = GET_PRIV ( EMPATHY_SEARCH_BAR (user_data));
 223   gboolean match_case;
 224
 225   match_case = gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (check));
 226
 227   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->search_match_case),
 228       match_case);
 229 }
 230
 231 static gboolean
 232 empathy_searchbar_create_menu_proxy_cb (GtkToolItem *toolitem,
 233     gpointer user_data)
 234 {
 235   EmpathySearchBarPriv* priv = GET_PRIV ( EMPATHY_SEARCH_BAR (user_data));
 236   GtkWidget *checkbox_menu;
 237   gboolean match_case;
 238
 239   checkbox_menu = gtk_check_menu_item_new_with_mnemonic (_("_Match case"));
 240   match_case = gtk_toggle_button_get_active (
 241       GTK_TOGGLE_BUTTON (priv->search_match_case));
 242   gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (checkbox_menu),
 243       match_case);
 244
 245   g_signal_connect (checkbox_menu, "toggled",
 246       G_CALLBACK (empathy_search_bar_match_case_menu_toggled), user_data);
 247
 248   gtk_tool_item_set_proxy_menu_item (toolitem, "menu-proxy",
 249       checkbox_menu);
 250
 251   return TRUE;
 252 }
 253
 254 static void
 255 empathy_search_bar_init (EmpathySearchBar * self)
 256 {
 257   gchar *filename;
 258   GtkBuilder *gui;
 259   GtkWidget *internal;
 260   EmpathySearchBarPriv *priv;
 261
 262   priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_SEARCH_BAR,
 263       EmpathySearchBarPriv);
 264
 265   self->priv = priv;
 266
 267   filename = empathy_file_lookup ("empathy-search-bar.ui", "libempathy-gtk");
 268   gui = tpaw_builder_get_file (filename,
 269       "search_widget", &internal,
 270       "search_close", &priv->search_close,
 271       "search_entry", &priv->search_entry,
 272       "search_previous", &priv->search_previous,
 273       "search_next", &priv->search_next,
 274       "search_not_found", &priv->search_not_found,
 275       "search_match_case", &priv->search_match_case,
 276       NULL);
 277   g_free (filename);
 278
 279   /* Add the signals */
 280   tpaw_builder_connect (gui, self,
 281       "search_close", "clicked", empathy_search_bar_close_cb,
 282       "search_entry", "changed", empathy_search_bar_entry_changed,
 283       "search_previous", "clicked", empathy_search_bar_previous_cb,
 284       "search_next", "clicked", empathy_search_bar_next_cb,
 285       "search_match_case", "toggled", empathy_search_bar_match_case_toggled,
 286       "search_match_case_toolitem", "create-menu-proxy", empathy_searchbar_create_menu_proxy_cb,
 287       NULL);
 288
 289   g_signal_connect (G_OBJECT (self), "key-press-event",
 290       G_CALLBACK (empathy_search_bar_key_pressed), NULL);
 291
 292   gtk_box_pack_start (GTK_BOX (self), internal, TRUE, TRUE, 0);
 293   gtk_widget_show_all (internal);
 294   gtk_widget_hide (priv->search_not_found);
 295   g_object_unref (gui);
 296 }
 297
 298 static void
 299 empathy_search_bar_class_init (EmpathySearchBarClass *class)
 300 {
 301   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 302
 303   g_type_class_add_private (gobject_class, sizeof (EmpathySearchBarPriv));
 304 }
 305
 306 void
 307 empathy_search_bar_paste_clipboard (EmpathySearchBar *self)
 308 {
 309   EmpathySearchBarPriv *priv = GET_PRIV (self);
 310
 311   gtk_editable_paste_clipboard (GTK_EDITABLE (priv->search_entry));
 312 }