2 * Copyright (C) 2004 Lorenzo Gil Sanchez
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
19 * Authors: Lorenzo Gil Sanchez <lgs@sicem.biz>
20 * Carlos Garnacho Parro <carlosg@gnome.org>
24 #include <gdk/gdkkeysyms.h>
26 #include "gtkprivate.h"
27 #include "gtkspinbutton.h"
28 #include "gtkcellrendererspin.h"
31 struct _GtkCellRendererSpinPrivate
33 GtkAdjustment *adjustment;
38 static void gtk_cell_renderer_spin_finalize (GObject *object);
40 static void gtk_cell_renderer_spin_get_property (GObject *object,
44 static void gtk_cell_renderer_spin_set_property (GObject *object,
49 static GtkCellEditable * gtk_cell_renderer_spin_start_editing (GtkCellRenderer *cell,
53 GdkRectangle *background_area,
54 GdkRectangle *cell_area,
55 GtkCellRendererState flags);
63 #define GTK_CELL_RENDERER_SPIN_PATH "gtk-cell-renderer-spin-path"
65 G_DEFINE_TYPE (GtkCellRendererSpin, gtk_cell_renderer_spin, GTK_TYPE_CELL_RENDERER_TEXT)
69 gtk_cell_renderer_spin_class_init (GtkCellRendererSpinClass *klass)
71 GObjectClass *object_class = G_OBJECT_CLASS (klass);
72 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
74 object_class->finalize = gtk_cell_renderer_spin_finalize;
75 object_class->get_property = gtk_cell_renderer_spin_get_property;
76 object_class->set_property = gtk_cell_renderer_spin_set_property;
78 cell_class->start_editing = gtk_cell_renderer_spin_start_editing;
81 * GtkCellRendererSpin:adjustment:
83 * The adjustment that holds the value of the spinbutton.
84 * This must be non-%NULL for the cell renderer to be editable.
88 g_object_class_install_property (object_class,
90 g_param_spec_object ("adjustment",
92 P_("The adjustment that holds the value of the spinbutton."),
94 GTK_PARAM_READWRITE));
98 * GtkCellRendererSpin:climb-rate:
100 * The acceleration rate when you hold down a button.
104 g_object_class_install_property (object_class,
106 g_param_spec_double ("climb-rate",
108 P_("The acceleration rate when you hold down a button"),
109 0.0, G_MAXDOUBLE, 0.0,
110 GTK_PARAM_READWRITE));
112 * GtkCellRendererSpin:digits:
114 * The number of decimal places to display.
118 g_object_class_install_property (object_class,
120 g_param_spec_uint ("digits",
122 P_("The number of decimal places to display"),
124 GTK_PARAM_READWRITE));
126 g_type_class_add_private (object_class, sizeof (GtkCellRendererSpinPrivate));
130 gtk_cell_renderer_spin_init (GtkCellRendererSpin *self)
132 GtkCellRendererSpinPrivate *priv;
134 self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
135 GTK_TYPE_CELL_RENDERER_SPIN,
136 GtkCellRendererSpinPrivate);
139 priv->adjustment = NULL;
140 priv->climb_rate = 0.0;
145 gtk_cell_renderer_spin_finalize (GObject *object)
147 GtkCellRendererSpinPrivate *priv;
149 priv = GTK_CELL_RENDERER_SPIN (object)->priv;
151 if (priv && priv->adjustment)
152 g_object_unref (priv->adjustment);
154 G_OBJECT_CLASS (gtk_cell_renderer_spin_parent_class)->finalize (object);
158 gtk_cell_renderer_spin_get_property (GObject *object,
163 GtkCellRendererSpin *renderer;
164 GtkCellRendererSpinPrivate *priv;
166 renderer = GTK_CELL_RENDERER_SPIN (object);
167 priv = renderer->priv;
171 case PROP_ADJUSTMENT:
172 g_value_set_object (value, priv->adjustment);
174 case PROP_CLIMB_RATE:
175 g_value_set_double (value, priv->climb_rate);
178 g_value_set_uint (value, priv->digits);
181 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
187 gtk_cell_renderer_spin_set_property (GObject *object,
192 GtkCellRendererSpin *renderer;
193 GtkCellRendererSpinPrivate *priv;
196 renderer = GTK_CELL_RENDERER_SPIN (object);
197 priv = renderer->priv;
201 case PROP_ADJUSTMENT:
202 obj = g_value_get_object (value);
204 if (priv->adjustment)
206 g_object_unref (priv->adjustment);
207 priv->adjustment = NULL;
211 priv->adjustment = g_object_ref_sink (obj);
213 case PROP_CLIMB_RATE:
214 priv->climb_rate = g_value_get_double (value);
217 priv->digits = g_value_get_uint (value);
220 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
226 gtk_cell_renderer_spin_focus_out_event (GtkWidget *widget,
231 const gchar *new_text;
234 g_object_get (widget,
235 "editing-canceled", &canceled,
238 g_signal_handlers_disconnect_by_func (widget,
239 gtk_cell_renderer_spin_focus_out_event,
242 gtk_cell_renderer_stop_editing (GTK_CELL_RENDERER (data), canceled);
246 path = g_object_get_data (G_OBJECT (widget), GTK_CELL_RENDERER_SPIN_PATH);
248 new_text = gtk_entry_get_text (GTK_ENTRY (widget));
249 g_signal_emit_by_name (data, "edited", path, new_text);
256 gtk_cell_renderer_spin_key_press_event (GtkWidget *widget,
260 if (event->state == 0)
262 if (event->keyval == GDK_Up)
264 gtk_spin_button_spin (GTK_SPIN_BUTTON (widget), GTK_SPIN_STEP_FORWARD, 1);
267 else if (event->keyval == GDK_Down)
269 gtk_spin_button_spin (GTK_SPIN_BUTTON (widget), GTK_SPIN_STEP_BACKWARD, 1);
278 gtk_cell_renderer_spin_button_press_event (GtkWidget *widget,
279 GdkEventButton *event,
282 /* Block 2BUTTON and 3BUTTON here, so that they won't be eaten
285 if (event->type == GDK_2BUTTON_PRESS
286 || event->type == GDK_3BUTTON_PRESS)
292 static GtkCellEditable *
293 gtk_cell_renderer_spin_start_editing (GtkCellRenderer *cell,
297 GdkRectangle *background_area,
298 GdkRectangle *cell_area,
299 GtkCellRendererState flags)
301 GtkCellRendererSpinPrivate *priv;
302 GtkCellRendererText *cell_text;
305 cell_text = GTK_CELL_RENDERER_TEXT (cell);
306 priv = GTK_CELL_RENDERER_SPIN (cell)->priv;
308 if (!cell_text->editable)
311 if (!priv->adjustment)
314 spin = gtk_spin_button_new (priv->adjustment,
315 priv->climb_rate, priv->digits);
317 g_signal_connect (spin, "button-press-event",
318 G_CALLBACK (gtk_cell_renderer_spin_button_press_event),
322 gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin),
323 g_ascii_strtod (cell_text->text, NULL));
325 g_object_set_data_full (G_OBJECT (spin), GTK_CELL_RENDERER_SPIN_PATH,
326 g_strdup (path), g_free);
328 g_signal_connect (G_OBJECT (spin), "focus-out-event",
329 G_CALLBACK (gtk_cell_renderer_spin_focus_out_event),
331 g_signal_connect (G_OBJECT (spin), "key-press-event",
332 G_CALLBACK (gtk_cell_renderer_spin_key_press_event),
335 gtk_widget_show (spin);
337 return GTK_CELL_EDITABLE (spin);
341 * gtk_cell_renderer_spin_new:
343 * Creates a new #GtkCellRendererSpin.
345 * Returns: a new #GtkCellRendererSpin
350 gtk_cell_renderer_spin_new (void)
352 return g_object_new (GTK_TYPE_CELL_RENDERER_SPIN, NULL);