aboutsummaryrefslogtreecommitdiffstats
path: root/libempathy-gtk/empathy-search-bar.c
blob: 9a27795a2de93f68a8e39031f6b48e033d9e7f83 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
 * Copyright (C) 2010 Thomas Meire <blackskad@gmail.com>
 *
 * The code contained in this file is free software; you can redistribute
 * it and/or modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either version
 * 2.1 of the License, or (at your option) any later version.
 *
 * This file is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this code; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <glib.h>
#include <glib-object.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>

#include <libempathy/empathy-utils.h>

#include "empathy-chat-view.h"
#include "empathy-search-bar.h"
#include "empathy-ui-utils.h"

#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathySearchBar)

G_DEFINE_TYPE (EmpathySearchBar, empathy_search_bar, GTK_TYPE_BIN);

typedef struct _EmpathySearchBarPriv EmpathySearchBarPriv;
struct _EmpathySearchBarPriv
{
  EmpathyChatView *chat_view;

  GtkWidget *search_entry;

  GtkWidget *search_match_case;

  GtkWidget *search_close;
  GtkWidget *search_previous;
  GtkWidget *search_next;
  GtkWidget *search_not_found;
};

GtkWidget *
empathy_search_bar_new (EmpathyChatView *view)
{
  EmpathySearchBar *self = g_object_new (EMPATHY_TYPE_SEARCH_BAR, NULL);

  GET_PRIV (self)->chat_view = view;

  return GTK_WIDGET (self);
}

static void
empathy_search_bar_size_allocate (GtkWidget *widget,
    GtkAllocation *allocation)
{
  GtkBin *bin;
  GtkWidget *child;
  GtkAllocation child_allocation;

  bin = GTK_BIN (widget);
  child = gtk_bin_get_child (bin);

  gtk_widget_set_allocation (widget, allocation);

  if (child && gtk_widget_get_visible (child))
    {
      child_allocation.x = allocation->x;
      child_allocation.y = allocation->y;
      child_allocation.width = MAX (allocation->width, 0);
      child_allocation.height = MAX (allocation->height, 0);

      gtk_widget_size_allocate (child, &child_allocation);
    }
}

static void
empathy_search_bar_update_buttons (EmpathySearchBar *self,
    gchar *search,
    gboolean match_case)
{
  gboolean can_go_forward = FALSE;
  gboolean can_go_backward = FALSE;

  EmpathySearchBarPriv* priv = GET_PRIV (self);

  /* update previous / next buttons */
  empathy_chat_view_find_abilities (priv->chat_view, search, match_case,
      &can_go_backward, &can_go_forward);

  gtk_widget_set_sensitive (priv->search_previous,
      can_go_backward && !EMP_STR_EMPTY (search));
  gtk_widget_set_sensitive (priv->search_next,
      can_go_forward && !EMP_STR_EMPTY (search));
}

static void
empathy_search_bar_update (EmpathySearchBar *self)
{
  gchar *search;
  gboolean match_case;
  EmpathySearchBarPriv *priv = GET_PRIV (self);

  search = gtk_editable_get_chars (GTK_EDITABLE(priv->search_entry), 0, -1);
  match_case = gtk_toggle_button_get_active (
      GTK_TOGGLE_BUTTON (priv->search_match_case));

  /* highlight & search */
  empathy_chat_view_highlight (priv->chat_view, search, match_case);

  /* update the buttons */
  empathy_search_bar_update_buttons (self, search, match_case);

  g_free (search);
}

void
empathy_search_bar_show (EmpathySearchBar *self)
{
  EmpathySearchBarPriv *priv = GET_PRIV (self);

  /* update the highlighting and buttons */
  empathy_search_bar_update (self);

  /* grab the focus to the search entry */
  gtk_widget_grab_focus (priv->search_entry);

  gtk_widget_show (GTK_WIDGET (self));
}

void
empathy_search_bar_hide (EmpathySearchBar *self)
{
  EmpathySearchBarPriv *priv = GET_PRIV (self);

  empathy_chat_view_highlight (priv->chat_view, "", FALSE);
  gtk_widget_hide (GTK_WIDGET (self));

  /* give the focus back to the focus-chain with the chat view */
  gtk_widget_grab_focus (GTK_WIDGET (priv->chat_view));
}

static void
empathy_search_bar_search (EmpathySearchBar *self,
    gboolean next,
    gboolean new_search)
{
  gchar *search;
  gboolean found;
  gboolean match_case;
  EmpathySearchBarPriv *priv;

  priv = GET_PRIV (self);

  search = gtk_editable_get_chars (GTK_EDITABLE(priv->search_entry), 0, -1);
  match_case = gtk_toggle_button_get_active (
      GTK_TOGGLE_BUTTON (priv->search_match_case));

  /* highlight & search */
  empathy_chat_view_highlight (priv->chat_view, search, match_case);
  if (next)
    {
      found = empathy_chat_view_find_next (priv->chat_view,
          search,
          new_search,
          match_case);
    }
  else
    {
      found = empathy_chat_view_find_previous (priv->chat_view,
          search,
          new_search,
          match_case);
    }

  /* (don't) display the not found label */
  gtk_widget_set_visible (priv->search_not_found,
      !(found || EMP_STR_EMPTY (search)));

  /* update the buttons */
  empathy_search_bar_update_buttons (self, search, match_case);

  g_free (search);
}

static void
empathy_search_bar_close_cb (GtkButton *button,
    gpointer user_data)
{
  empathy_search_bar_hide (EMPATHY_SEARCH_BAR (user_data));
}

static void
empathy_search_bar_entry_changed (GtkEditable *entry,
    gpointer user_data)
{
  empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), FALSE, TRUE);
}

static gboolean
empathy_search_bar_key_pressed (GtkWidget   *widget,
    GdkEventKey *event,
    gpointer user_data)
{
  if (event->keyval == GDK_KEY_Escape)
    {
      empathy_search_bar_hide (EMPATHY_SEARCH_BAR (widget));
      return TRUE;
    }
  return FALSE;
}

static void
empathy_search_bar_next_cb (GtkButton *button,
    gpointer user_data)
{
  empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), TRUE, FALSE);
}

static void
empathy_search_bar_previous_cb (GtkButton *button,
    gpointer user_data)
{
  empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), FALSE, FALSE);
}

static void
empathy_search_bar_match_case_toggled (GtkButton *button,
    gpointer user_data)
{
  empathy_search_bar_update (EMPATHY_SEARCH_BAR (user_data));
}

static void
empathy_search_bar_init (EmpathySearchBar * self)
{
  gchar *filename;
  GtkBuilder *gui;
  GtkWidget *internal;
  EmpathySearchBarPriv *priv;

  priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_SEARCH_BAR,
      EmpathySearchBarPriv);

  self->priv = priv;

  filename = empathy_file_lookup ("empathy-search-bar.ui", "libempathy-gtk");
  gui = empathy_builder_get_file (filename,
      "search_widget", &internal,
      "search_close", &priv->search_close,
      "search_entry", &priv->search_entry,
      "search_previous", &priv->search_previous,
      "search_next", &priv->search_next,
      "search_not_found", &priv->search_not_found,
      "search_match_case", &priv->search_match_case,
      NULL);
  g_free (filename);

  /* Add the signals */
  empathy_builder_connect (gui, self,
      "search_close", "clicked", empathy_search_bar_close_cb,
      "search_entry", "changed", empathy_search_bar_entry_changed,
      "search_previous", "clicked", empathy_search_bar_previous_cb,
      "search_next", "clicked", empathy_search_bar_next_cb,
      "search_match_case", "toggled", empathy_search_bar_match_case_toggled,
      NULL);

  g_signal_connect (G_OBJECT (self), "key-press-event",
      G_CALLBACK (empathy_search_bar_key_pressed), NULL);

  gtk_container_add (GTK_CONTAINER (self), internal);
  gtk_widget_show_all (internal);
  gtk_widget_hide (priv->search_not_found);
  g_object_unref (gui);
}

static void
empathy_search_bar_class_init (EmpathySearchBarClass *class)
{
  GObjectClass *gobject_class = G_OBJECT_CLASS (class);
  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);

  g_type_class_add_private (gobject_class, sizeof (EmpathySearchBarPriv));

  /* Neither GtkBin nor GtkContainer seems to do this for us :( */
  widget_class->size_allocate = empathy_search_bar_size_allocate;
}

void
empathy_search_bar_paste_clipboard (EmpathySearchBar *self)
{
  EmpathySearchBarPriv *priv = GET_PRIV (self);

  gtk_editable_paste_clipboard (GTK_EDITABLE (priv->search_entry));
}