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 #define GTK_CELL_RENDERER_SPIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_CELL_RENDERER_SPIN, GtkCellRendererSpinPrivate))
33 struct _GtkCellRendererSpinPrivate
35 GtkAdjustment *adjustment;
40 static void gtk_cell_renderer_spin_finalize (GObject *object);
42 static void gtk_cell_renderer_spin_get_property (GObject *object,
46 static void gtk_cell_renderer_spin_set_property (GObject *object,
51 static GtkCellEditable * gtk_cell_renderer_spin_start_editing (GtkCellRenderer *cell,
55 GdkRectangle *background_area,
56 GdkRectangle *cell_area,
57 GtkCellRendererState flags);
65 #define GTK_CELL_RENDERER_SPIN_PATH "gtk-cell-renderer-spin-path"
67 G_DEFINE_TYPE (GtkCellRendererSpin, gtk_cell_renderer_spin, GTK_TYPE_CELL_RENDERER_TEXT)
71 gtk_cell_renderer_spin_class_init (GtkCellRendererSpinClass *klass)
73 GObjectClass *object_class = G_OBJECT_CLASS (klass);
74 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
76 object_class->finalize = gtk_cell_renderer_spin_finalize;
77 object_class->get_property = gtk_cell_renderer_spin_get_property;
78 object_class->set_property = gtk_cell_renderer_spin_set_property;
80 cell_class->start_editing = gtk_cell_renderer_spin_start_editing;
83 * GtkCellRendererSpin:adjustment:
85 * The adjustment that holds the value of the spinbutton.
86 * This must be non-%NULL for the cell renderer to be editable.
90 g_object_class_install_property (object_class,
92 g_param_spec_object ("adjustment",
94 P_("The adjustment that holds the value of the spinbutton."),
96 GTK_PARAM_READWRITE));
100 * GtkCellRendererSpin:climb-rate:
102 * The acceleration rate when you hold down a button.
106 g_object_class_install_property (object_class,
108 g_param_spec_double ("climb-rate",
110 P_("The acceleration rate when you hold down a button"),
111 0.0, G_MAXDOUBLE, 0.0,
112 GTK_PARAM_READWRITE));
114 * GtkCellRendererSpin:digits:
116 * The number of decimal places to display.
120 g_object_class_install_property (object_class,
122 g_param_spec_uint ("digits",
124 P_("The number of decimal places to display"),
126 GTK_PARAM_READWRITE));
128 g_type_class_add_private (object_class, sizeof (GtkCellRendererSpinPrivate));
132 gtk_cell_renderer_spin_init (GtkCellRendererSpin *self)
134 GtkCellRendererSpinPrivate *priv;
136 priv = GTK_CELL_RENDERER_SPIN_GET_PRIVATE (self);
138 priv->adjustment = NULL;
139 priv->climb_rate = 0.0;
144 gtk_cell_renderer_spin_finalize (GObject *object)
146 GtkCellRendererSpinPrivate *priv;
148 priv = GTK_CELL_RENDERER_SPIN_GET_PRIVATE (object);
150 if (priv && priv->adjustment)
151 g_object_unref (priv->adjustment);
153 G_OBJECT_CLASS (gtk_cell_renderer_spin_parent_class)->finalize (object);
157 gtk_cell_renderer_spin_get_property (GObject *object,
162 GtkCellRendererSpin *renderer;
163 GtkCellRendererSpinPrivate *priv;
165 renderer = GTK_CELL_RENDERER_SPIN (object);
166 priv = GTK_CELL_RENDERER_SPIN_GET_PRIVATE (renderer);
170 case PROP_ADJUSTMENT:
171 g_value_set_object (value, priv->adjustment);
173 case PROP_CLIMB_RATE:
174 g_value_set_double (value, priv->climb_rate);
177 g_value_set_uint (value, priv->digits);
180 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
186 gtk_cell_renderer_spin_set_property (GObject *object,
191 GtkCellRendererSpin *renderer;
192 GtkCellRendererSpinPrivate *priv;
195 renderer = GTK_CELL_RENDERER_SPIN (object);
196 priv = GTK_CELL_RENDERER_SPIN_GET_PRIVATE (renderer);
200 case PROP_ADJUSTMENT:
201 obj = g_value_get_object (value);
203 if (priv->adjustment)
205 g_object_unref (priv->adjustment);
206 priv->adjustment = NULL;
210 priv->adjustment = g_object_ref_sink (obj);
212 case PROP_CLIMB_RATE:
213 priv->climb_rate = g_value_get_double (value);
216 priv->digits = g_value_get_uint (value);
219 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
225 gtk_cell_renderer_spin_focus_out_event (GtkWidget *widget,
230 const gchar *new_text;
233 canceled = GTK_ENTRY (widget)->editing_canceled;
235 g_signal_handlers_disconnect_by_func (widget,
236 gtk_cell_renderer_spin_focus_out_event,
239 gtk_cell_renderer_stop_editing (GTK_CELL_RENDERER (data), canceled);
243 path = g_object_get_data (G_OBJECT (widget), GTK_CELL_RENDERER_SPIN_PATH);
245 new_text = gtk_entry_get_text (GTK_ENTRY (widget));
246 g_signal_emit_by_name (data, "edited", path, new_text);
253 gtk_cell_renderer_spin_key_press_event (GtkWidget *widget,
257 if (event->state == 0)
259 if (event->keyval == GDK_Up)
261 gtk_spin_button_spin (GTK_SPIN_BUTTON (widget), GTK_SPIN_STEP_FORWARD, 1);
264 else if (event->keyval == GDK_Down)
266 gtk_spin_button_spin (GTK_SPIN_BUTTON (widget), GTK_SPIN_STEP_BACKWARD, 1);
274 static GtkCellEditable *
275 gtk_cell_renderer_spin_start_editing (GtkCellRenderer *cell,
279 GdkRectangle *background_area,
280 GdkRectangle *cell_area,
281 GtkCellRendererState flags)
283 GtkCellRendererSpinPrivate *priv;
284 GtkCellRendererText *cell_text;
287 cell_text = GTK_CELL_RENDERER_TEXT (cell);
288 priv = GTK_CELL_RENDERER_SPIN_GET_PRIVATE (cell);
290 if (!cell_text->editable)
293 if (!priv->adjustment)
296 spin = gtk_spin_button_new (priv->adjustment,
297 priv->climb_rate, priv->digits);
300 gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin),
301 g_ascii_strtod (cell_text->text, NULL));
303 g_object_set_data_full (G_OBJECT (spin), GTK_CELL_RENDERER_SPIN_PATH,
304 g_strdup (path), g_free);
306 g_signal_connect (G_OBJECT (spin), "focus-out-event",
307 G_CALLBACK (gtk_cell_renderer_spin_focus_out_event),
309 g_signal_connect (G_OBJECT (spin), "key-press-event",
310 G_CALLBACK (gtk_cell_renderer_spin_key_press_event),
313 gtk_widget_show (spin);
315 return GTK_CELL_EDITABLE (spin);
319 * gtk_cell_renderer_spin_new:
321 * Creates a new #GtkCellRendererSpin.
323 * Returns: a new #GtkCellRendererSpin
328 gtk_cell_renderer_spin_new (void)
330 return g_object_new (GTK_TYPE_CELL_RENDERER_SPIN, NULL);
334 #define __GTK_CELL_RENDERER_SPIN_C__
335 #include "gtkaliasdef.c"