1 /* Copyright (c) 2007, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of the Nokia Corporation nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include <glib/gi18n-lib.h>
34 #include <gtk/gtkwidget.h>
36 #include <modest-text-utils.h>
37 #include <modest-recpt-view.h>
39 #define RECPT_VIEW_CLICK_AREA_THRESHOLD 32
41 static GObjectClass *parent_class = NULL;
49 typedef struct _ModestRecptViewPriv ModestRecptViewPriv;
51 struct _ModestRecptViewPriv
53 gboolean button_pressed;
54 gdouble pressed_x, pressed_y;
57 #define MODEST_RECPT_VIEW_GET_PRIVATE(o) \
58 (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_RECPT_VIEW, ModestRecptViewPriv))
60 static guint signals[LAST_SIGNAL] = {0};
62 /* static functions: GObject */
63 static void modest_recpt_view_instance_init (GTypeInstance *instance, gpointer g_class);
64 static void modest_recpt_view_finalize (GObject *object);
65 static void modest_recpt_view_class_init (ModestRecptViewClass *klass);
66 /* static functions: GtkWidget */
67 static gint button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer user_data);
68 static gint button_release_event (GtkWidget *widget, GdkEventButton *event, gpointer user_data);
71 * modest_recpt_view_new:
73 * Return value: a new #ModestRecptView instance implemented for Gtk+
76 modest_recpt_view_new (void)
78 ModestRecptView *self = g_object_new (MODEST_TYPE_RECPT_VIEW, NULL);
80 return GTK_WIDGET (self);
84 modest_recpt_view_set_recipients (ModestRecptView *recpt_view, const gchar *recipients)
86 const GtkWidget *text_view = NULL;
87 GtkTextBuffer *buffer = NULL;
88 gchar *std_recipients;
90 text_view = modest_scroll_text_get_text_view (MODEST_SCROLL_TEXT (recpt_view));
91 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
93 if (recipients == NULL) {
94 std_recipients = NULL;
96 std_recipients = modest_text_utils_address_with_standard_length (recipients);
99 gtk_text_buffer_set_text (buffer, std_recipients, -1);
100 g_free (std_recipients);
101 if (GTK_WIDGET_REALIZED (recpt_view))
102 gtk_widget_queue_resize (GTK_WIDGET (recpt_view));
107 button_press_event (GtkWidget *widget,
108 GdkEventButton *event,
111 ModestRecptViewPriv *priv = MODEST_RECPT_VIEW_GET_PRIVATE (MODEST_RECPT_VIEW (user_data));
113 if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
114 priv->button_pressed = TRUE;
115 priv->pressed_x = event->x;
116 priv->pressed_y = event->y;
122 button_release_event (GtkWidget *widget,
123 GdkEventButton *event,
126 ModestRecptViewPriv *priv = MODEST_RECPT_VIEW_GET_PRIVATE (MODEST_RECPT_VIEW (user_data));
127 const GtkWidget *text_view = NULL;
129 text_view = modest_scroll_text_get_text_view (MODEST_SCROLL_TEXT (user_data));
131 if (event->type != GDK_BUTTON_RELEASE)
134 if ((priv->button_pressed) &&
135 (event->type == GDK_BUTTON_RELEASE) &&
136 ((event->x >= priv->pressed_x - RECPT_VIEW_CLICK_AREA_THRESHOLD)&&
137 (event->x <= priv->pressed_x + RECPT_VIEW_CLICK_AREA_THRESHOLD)) &&
138 ((event->y >= priv->pressed_y - RECPT_VIEW_CLICK_AREA_THRESHOLD)&&
139 (event->y <= priv->pressed_y + RECPT_VIEW_CLICK_AREA_THRESHOLD))) {
140 priv->button_pressed = FALSE;
141 if (event->button == 1) {
142 gint buffer_x, buffer_y;
145 gtk_widget_grab_focus (GTK_WIDGET (text_view));
146 gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view), GTK_TEXT_WINDOW_WIDGET,
147 event->x, event->y, &buffer_x, &buffer_y);
148 gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, buffer_x, buffer_y);
149 index = gtk_text_iter_get_offset (&iter);
151 if (!gtk_text_iter_is_end (&iter)) {
152 guint selection_start, selection_end;
153 gboolean selected = FALSE;
154 GtkTextIter start_iter, end_iter;
155 GtkTextBuffer *buffer;
157 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
158 if (gtk_text_buffer_get_selection_bounds (buffer, &start_iter, &end_iter) &&
159 gtk_text_iter_in_range (&iter, &start_iter, &end_iter)) {
163 GtkTextIter start_iter, end_iter;
165 gtk_text_buffer_get_start_iter (buffer, &start_iter);
166 gtk_text_buffer_get_end_iter (buffer, &end_iter);
167 text = gtk_text_buffer_get_text (buffer, &start_iter, &end_iter, FALSE);
169 /* text will not be NULL, but source code checkers should be satisfied */
171 modest_text_utils_address_range_at_position (text,
173 &selection_start, &selection_end);
174 /* TODO: now gtk label tries to select more than the label as usual,
175 * and we force it to recover the selected region for the defined area.
176 * It should be fixed (maybe preventing gtklabel to manage selections
177 * in parallel with us
179 gtk_text_buffer_get_iter_at_offset (buffer, &start_iter, selection_start);
180 gtk_text_buffer_get_iter_at_offset (buffer, &end_iter, selection_end);
181 gtk_text_buffer_select_range (buffer, &start_iter, &end_iter);
190 gtk_text_buffer_get_selection_bounds (buffer, &start_iter, &end_iter);
191 selection = gtk_text_buffer_get_text (buffer, &start_iter, &end_iter, FALSE);
192 g_signal_emit (G_OBJECT (user_data), signals[ACTIVATE_SIGNAL], 0, selection);
200 priv->button_pressed = FALSE;
205 modest_recpt_view_instance_init (GTypeInstance *instance, gpointer g_class)
207 const GtkTextView *text_view = NULL;
209 text_view = GTK_TEXT_VIEW(modest_scroll_text_get_text_view (MODEST_SCROLL_TEXT (instance)));
211 g_signal_connect (G_OBJECT (text_view), "button-press-event", G_CALLBACK (button_press_event), instance);
212 g_signal_connect_after (G_OBJECT (text_view), "button-release-event", G_CALLBACK (button_release_event), instance);
218 modest_recpt_view_finalize (GObject *object)
220 (*parent_class->finalize) (object);
226 modest_recpt_view_class_init (ModestRecptViewClass *klass)
228 GObjectClass *object_class;
229 GtkWidgetClass *widget_class;
231 parent_class = g_type_class_peek_parent (klass);
232 object_class = (GObjectClass*) klass;
233 widget_class = GTK_WIDGET_CLASS (klass);
235 object_class->finalize = modest_recpt_view_finalize;
237 klass->activate = NULL;
239 g_type_class_add_private (object_class, sizeof (ModestRecptViewPriv));
241 signals[ACTIVATE_SIGNAL] =
242 g_signal_new ("activate",
243 G_TYPE_FROM_CLASS (object_class),
244 G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
245 G_STRUCT_OFFSET(ModestRecptViewClass, activate),
247 g_cclosure_marshal_VOID__STRING,
248 G_TYPE_NONE, 1, G_TYPE_STRING);
254 modest_recpt_view_get_type (void)
256 static GType type = 0;
258 if (G_UNLIKELY(type == 0))
260 static const GTypeInfo info =
262 sizeof (ModestRecptViewClass),
263 NULL, /* base_init */
264 NULL, /* base_finalize */
265 (GClassInitFunc) modest_recpt_view_class_init, /* class_init */
266 NULL, /* class_finalize */
267 NULL, /* class_data */
268 sizeof (ModestRecptView),
270 modest_recpt_view_instance_init /* instance_init */
273 type = g_type_register_static (MODEST_TYPE_SCROLL_TEXT,