1 /*
2  * This file is part of d-handy.
3  *
4  * d-handy is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License
6  * as published by the Free Software Foundation; either version 3
7  * of the License, or (at your option) any later version, with
8  * some exceptions, please read the COPYING file.
9  *
10  * d-handy 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 Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with d-handy; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
18  */
19 module handy.SearchBar;
20 
21 private import gdk.Event;
22 private import glib.ConstructionException;
23 private import gobject.ObjectG;
24 private import gtk.Bin;
25 private import gtk.BuildableIF;
26 private import gtk.BuildableT;
27 private import gtk.Entry;
28 private import gtk.Widget;
29 private import handy.c.functions;
30 public  import handy.c.types;
31 
32 
33 /** */
34 public class SearchBar : Bin
35 {
36 	/** the main Gtk struct */
37 	protected HdySearchBar* hdySearchBar;
38 
39 	/** Get the main Gtk struct */
40 	public HdySearchBar* getSearchBarStruct(bool transferOwnership = false)
41 	{
42 		if (transferOwnership)
43 			ownedRef = false;
44 		return hdySearchBar;
45 	}
46 
47 	/** the main Gtk struct as a void* */
48 	protected override void* getStruct()
49 	{
50 		return cast(void*)hdySearchBar;
51 	}
52 
53 	/**
54 	 * Sets our main struct and passes it to the parent class.
55 	 */
56 	public this (HdySearchBar* hdySearchBar, bool ownedRef = false)
57 	{
58 		this.hdySearchBar = hdySearchBar;
59 		super(cast(GtkBin*)hdySearchBar, ownedRef);
60 	}
61 
62 
63 	/** */
64 	public static GType getType()
65 	{
66 		return hdy_search_bar_get_type();
67 	}
68 
69 	/**
70 	 * Creates a #HdySearchBar. You will need to tell it about
71 	 * which widget is going to be your text entry using
72 	 * hdy_search_bar_connect_entry().
73 	 *
74 	 * Returns: a new #HdySearchBar
75 	 *
76 	 * Since: 0.0.6
77 	 *
78 	 * Throws: ConstructionException GTK+ fails to create the object.
79 	 */
80 	public this()
81 	{
82 		auto p = hdy_search_bar_new();
83 
84 		if(p is null)
85 		{
86 			throw new ConstructionException("null returned by new");
87 		}
88 
89 		this(cast(HdySearchBar*) p);
90 	}
91 
92 	/**
93 	 * Connects the #GtkEntry widget passed as the one to be used in
94 	 * this search bar. The entry should be a descendant of the search bar.
95 	 * This is only required if the entry isn’t the direct child of the
96 	 * search bar (as in our main example).
97 	 *
98 	 * Params:
99 	 *     entry = a #GtkEntry
100 	 *
101 	 * Since: 0.0.6
102 	 */
103 	public void connectEntry(Entry entry)
104 	{
105 		hdy_search_bar_connect_entry(hdySearchBar, (entry is null) ? null : entry.getEntryStruct());
106 	}
107 
108 	/**
109 	 * Returns whether the search mode is on or off.
110 	 *
111 	 * Returns: whether search mode is toggled on
112 	 *
113 	 * Since: 0.0.6
114 	 */
115 	public bool getSearchMode()
116 	{
117 		return hdy_search_bar_get_search_mode(hdySearchBar) != 0;
118 	}
119 
120 	/**
121 	 * Returns whether the close button is shown.
122 	 *
123 	 * Returns: whether the close button is shown
124 	 *
125 	 * Since: 0.0.6
126 	 */
127 	public bool getShowCloseButton()
128 	{
129 		return hdy_search_bar_get_show_close_button(hdySearchBar) != 0;
130 	}
131 
132 	/**
133 	 * This function should be called when the top-level
134 	 * window which contains the search bar received a key event.
135 	 *
136 	 * If the key event is handled by the search bar, the bar will
137 	 * be shown, the entry populated with the entered text and %GDK_EVENT_STOP
138 	 * will be returned. The caller should ensure that events are
139 	 * not propagated further.
140 	 *
141 	 * If no entry has been connected to the search bar, using
142 	 * hdy_search_bar_connect_entry(), this function will return
143 	 * immediately with a warning.
144 	 *
145 	 * ## Showing the search bar on key presses
146 	 *
147 	 * |[<!-- language="C" -->
148 	 * static gboolean
149 	 * on_key_press_event (GtkWidget *widget,
150 	 * GdkEvent  *event,
151 	 * gpointer   user_data)
152 	 * {
153 	 * HdySearchBar *bar = HDY_SEARCH_BAR (user_data);
154 	 * return hdy_search_bar_handle_event (self, event);
155 	 * }
156 	 *
157 	 * static void
158 	 * create_toplevel (void)
159 	 * {
160 	 * GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
161 	 * GtkWindow *search_bar = hdy_search_bar_new ();
162 	 *
163 	 * // Add more widgets to the window...
164 	 *
165 	 * g_signal_connect (window,
166 	 * "key-press-event",
167 	 * G_CALLBACK (on_key_press_event),
168 	 * search_bar);
169 	 * }
170 	 * ]|
171 	 *
172 	 * Params:
173 	 *     event = a #GdkEvent containing key press events
174 	 *
175 	 * Returns: %GDK_EVENT_STOP if the key press event resulted
176 	 *     in text being entered in the search entry (and revealing
177 	 *     the search bar if necessary), %GDK_EVENT_PROPAGATE otherwise.
178 	 *
179 	 * Since: 0.0.6
180 	 */
181 	public bool handleEvent(Event event)
182 	{
183 		return hdy_search_bar_handle_event(hdySearchBar, (event is null) ? null : event.getEventStruct()) != 0;
184 	}
185 
186 	/**
187 	 * Switches the search mode on or off.
188 	 *
189 	 * Params:
190 	 *     searchMode = the new state of the search mode
191 	 *
192 	 * Since: 0.0.6
193 	 */
194 	public void setSearchMode(bool searchMode)
195 	{
196 		hdy_search_bar_set_search_mode(hdySearchBar, searchMode);
197 	}
198 
199 	/**
200 	 * Shows or hides the close button. Applications that
201 	 * already have a “search” toggle button should not show a close
202 	 * button in their search bar, as it duplicates the role of the
203 	 * toggle button.
204 	 *
205 	 * Params:
206 	 *     visible = whether the close button will be shown or not
207 	 *
208 	 * Since: 0.0.6
209 	 */
210 	public void setShowCloseButton(bool visible)
211 	{
212 		hdy_search_bar_set_show_close_button(hdySearchBar, visible);
213 	}
214 }