1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * GtkSpinButton widget for GTK+
5 * Copyright (C) 1998 Lars Hamann and Stefan Jeske
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
24 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
25 * file for a list of people on the GTK+ Team. See the ChangeLog
26 * files for a list of changes. These files are distributed with
27 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
38 #include "gtkbindings.h"
39 #include "gtkspinbutton.h"
40 #include "gtkentryprivate.h"
41 #include "gtkicontheme.h"
42 #include "gtkmarshalers.h"
43 #include "gtksettings.h"
45 #include "gtkprivate.h"
47 #include "gtktypebuiltins.h"
49 #include "a11y/gtkspinbuttonaccessible.h"
51 #define MIN_SPIN_BUTTON_WIDTH 30
52 #define MAX_TIMER_CALLS 5
55 #define MIN_ARROW_WIDTH 6
59 * SECTION:gtkspinbutton
60 * @Title: GtkSpinButton
61 * @Short_description: Retrieve an integer or floating-point number from
63 * @See_also: #GtkEntry
65 * A #GtkSpinButton is an ideal way to allow the user to set the value of
66 * some attribute. Rather than having to directly type a number into a
67 * #GtkEntry, GtkSpinButton allows the user to click on one of two arrows
68 * to increment or decrement the displayed value. A value can still be
69 * typed in, with the bonus that it can be checked to ensure it is in a
72 * The main properties of a GtkSpinButton are through an adjustment.
73 * See the #GtkAdjustment section for more details about an adjustment's
77 * <title>Using a GtkSpinButton to get an integer</title>
79 * /* Provides a function to retrieve an integer value from a
80 * * GtkSpinButton and creates a spin button to model percentage
85 * grab_int_value (GtkSpinButton *button,
88 * return gtk_spin_button_get_value_as_int (button);
92 * create_integer_spin_button (void)
95 * GtkWidget *window, *button;
96 * GtkAdjustment *adjustment;
98 * adjustment = gtk_adjustment_new (50.0, 0.0, 100.0, 1.0, 5.0, 0.0);
100 * window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
101 * gtk_container_set_border_width (GTK_CONTAINER (window), 5);
103 * /* creates the spinbutton, with no decimal places */
104 * button = gtk_spin_button_new (adjustment, 1.0, 0);
105 * gtk_container_add (GTK_CONTAINER (window), button);
107 * gtk_widget_show_all (window);
113 * <title>Using a GtkSpinButton to get a floating point value</title>
115 * /* Provides a function to retrieve a floating point value from a
116 * * GtkSpinButton, and creates a high precision spin button.
120 * grab_float_value (GtkSpinButton *button,
121 * gpointer user_data)
123 * return gtk_spin_button_get_value (button);
127 * create_floating_spin_button (void)
129 * GtkWidget *window, *button;
130 * GtkAdjustment *adjustment;
132 * adjustment = gtk_adjustment_new (2.500, 0.0, 5.0, 0.001, 0.1, 0.0);
134 * window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
135 * gtk_container_set_border_width (GTK_CONTAINER (window), 5);
137 * /* creates the spinbutton, with three decimal places */
138 * button = gtk_spin_button_new (adjustment, 0.001, 3);
139 * gtk_container_add (GTK_CONTAINER (window), button);
141 * gtk_widget_show_all (window);
147 struct _GtkSpinButtonPrivate
149 GtkAdjustment *adjustment;
151 GdkWindow *down_panel;
154 GdkWindow *click_child;
159 GtkSpinButtonUpdatePolicy update_policy;
166 guint need_timer : 1;
168 guint snap_to_ticks : 1;
169 guint timer_calls : 3;
196 static void gtk_spin_button_editable_init (GtkEditableInterface *iface);
197 static void gtk_spin_button_finalize (GObject *object);
198 static void gtk_spin_button_set_property (GObject *object,
202 static void gtk_spin_button_get_property (GObject *object,
206 static void gtk_spin_button_destroy (GtkWidget *widget);
207 static void gtk_spin_button_map (GtkWidget *widget);
208 static void gtk_spin_button_unmap (GtkWidget *widget);
209 static void gtk_spin_button_realize (GtkWidget *widget);
210 static void gtk_spin_button_unrealize (GtkWidget *widget);
211 static void gtk_spin_button_get_preferred_width (GtkWidget *widget,
215 static void gtk_spin_button_size_allocate (GtkWidget *widget,
216 GtkAllocation *allocation);
217 static gint gtk_spin_button_draw (GtkWidget *widget,
219 static gint gtk_spin_button_button_press (GtkWidget *widget,
220 GdkEventButton *event);
221 static gint gtk_spin_button_button_release (GtkWidget *widget,
222 GdkEventButton *event);
223 static gint gtk_spin_button_motion_notify (GtkWidget *widget,
224 GdkEventMotion *event);
225 static gint gtk_spin_button_enter_notify (GtkWidget *widget,
226 GdkEventCrossing *event);
227 static gint gtk_spin_button_leave_notify (GtkWidget *widget,
228 GdkEventCrossing *event);
229 static gint gtk_spin_button_focus_out (GtkWidget *widget,
230 GdkEventFocus *event);
231 static void gtk_spin_button_grab_notify (GtkWidget *widget,
232 gboolean was_grabbed);
233 static void gtk_spin_button_state_flags_changed (GtkWidget *widget,
234 GtkStateFlags previous_state);
235 static gboolean gtk_spin_button_timer (GtkSpinButton *spin_button);
236 static gboolean gtk_spin_button_stop_spinning (GtkSpinButton *spin);
237 static void gtk_spin_button_value_changed (GtkAdjustment *adjustment,
238 GtkSpinButton *spin_button);
239 static gint gtk_spin_button_key_release (GtkWidget *widget,
241 static gint gtk_spin_button_scroll (GtkWidget *widget,
242 GdkEventScroll *event);
243 static void gtk_spin_button_activate (GtkEntry *entry);
244 static void gtk_spin_button_get_text_area_size (GtkEntry *entry,
249 static void gtk_spin_button_snap (GtkSpinButton *spin_button,
251 static void gtk_spin_button_insert_text (GtkEditable *editable,
252 const gchar *new_text,
253 gint new_text_length,
255 static void gtk_spin_button_real_spin (GtkSpinButton *spin_button,
257 static void gtk_spin_button_real_change_value (GtkSpinButton *spin,
258 GtkScrollType scroll);
260 static gint gtk_spin_button_default_input (GtkSpinButton *spin_button,
262 static gint gtk_spin_button_default_output (GtkSpinButton *spin_button);
264 static guint spinbutton_signals[LAST_SIGNAL] = {0};
266 G_DEFINE_TYPE_WITH_CODE (GtkSpinButton, gtk_spin_button, GTK_TYPE_ENTRY,
267 G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE,
268 gtk_spin_button_editable_init))
270 #define add_spin_binding(binding_set, keyval, mask, scroll) \
271 gtk_binding_entry_add_signal (binding_set, keyval, mask, \
273 GTK_TYPE_SCROLL_TYPE, scroll)
276 gtk_spin_button_class_init (GtkSpinButtonClass *class)
278 GObjectClass *gobject_class = G_OBJECT_CLASS (class);
279 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
280 GtkEntryClass *entry_class = GTK_ENTRY_CLASS (class);
281 GtkBindingSet *binding_set;
283 gobject_class->finalize = gtk_spin_button_finalize;
284 gobject_class->set_property = gtk_spin_button_set_property;
285 gobject_class->get_property = gtk_spin_button_get_property;
287 widget_class->destroy = gtk_spin_button_destroy;
288 widget_class->map = gtk_spin_button_map;
289 widget_class->unmap = gtk_spin_button_unmap;
290 widget_class->realize = gtk_spin_button_realize;
291 widget_class->unrealize = gtk_spin_button_unrealize;
292 widget_class->get_preferred_width = gtk_spin_button_get_preferred_width;
293 widget_class->size_allocate = gtk_spin_button_size_allocate;
294 widget_class->draw = gtk_spin_button_draw;
295 widget_class->scroll_event = gtk_spin_button_scroll;
296 widget_class->button_press_event = gtk_spin_button_button_press;
297 widget_class->button_release_event = gtk_spin_button_button_release;
298 widget_class->motion_notify_event = gtk_spin_button_motion_notify;
299 widget_class->key_release_event = gtk_spin_button_key_release;
300 widget_class->enter_notify_event = gtk_spin_button_enter_notify;
301 widget_class->leave_notify_event = gtk_spin_button_leave_notify;
302 widget_class->focus_out_event = gtk_spin_button_focus_out;
303 widget_class->grab_notify = gtk_spin_button_grab_notify;
304 widget_class->state_flags_changed = gtk_spin_button_state_flags_changed;
306 entry_class->activate = gtk_spin_button_activate;
307 entry_class->get_text_area_size = gtk_spin_button_get_text_area_size;
310 class->output = NULL;
311 class->change_value = gtk_spin_button_real_change_value;
313 g_object_class_install_property (gobject_class,
315 g_param_spec_object ("adjustment",
317 P_("The adjustment that holds the value of the spin button"),
319 GTK_PARAM_READWRITE));
321 g_object_class_install_property (gobject_class,
323 g_param_spec_double ("climb-rate",
325 P_("The acceleration rate when you hold down a button"),
329 GTK_PARAM_READWRITE));
331 g_object_class_install_property (gobject_class,
333 g_param_spec_uint ("digits",
335 P_("The number of decimal places to display"),
339 GTK_PARAM_READWRITE));
341 g_object_class_install_property (gobject_class,
343 g_param_spec_boolean ("snap-to-ticks",
345 P_("Whether erroneous values are automatically changed to a spin button's nearest step increment"),
347 GTK_PARAM_READWRITE));
349 g_object_class_install_property (gobject_class,
351 g_param_spec_boolean ("numeric",
353 P_("Whether non-numeric characters should be ignored"),
355 GTK_PARAM_READWRITE));
357 g_object_class_install_property (gobject_class,
359 g_param_spec_boolean ("wrap",
361 P_("Whether a spin button should wrap upon reaching its limits"),
363 GTK_PARAM_READWRITE));
365 g_object_class_install_property (gobject_class,
367 g_param_spec_enum ("update-policy",
369 P_("Whether the spin button should update always, or only when the value is legal"),
370 GTK_TYPE_SPIN_BUTTON_UPDATE_POLICY,
372 GTK_PARAM_READWRITE));
374 g_object_class_install_property (gobject_class,
376 g_param_spec_double ("value",
378 P_("Reads the current value, or sets a new value"),
382 GTK_PARAM_READWRITE));
384 gtk_widget_class_install_style_property_parser (widget_class,
385 g_param_spec_enum ("shadow-type",
387 P_("Style of bevel around the spin button"),
388 GTK_TYPE_SHADOW_TYPE,
391 gtk_rc_property_parse_enum);
394 * GtkSpinButton::input:
395 * @spin_button: the object on which the signal was emitted
396 * @new_value: (out) (type double): return location for the new value
398 * The ::input signal can be used to influence the conversion of
399 * the users input into a double value. The signal handler is
400 * expected to use gtk_entry_get_text() to retrieve the text of
401 * the entry and set @new_value to the new value.
403 * The default conversion uses g_strtod().
405 * Returns: %TRUE for a successful conversion, %FALSE if the input
406 * was not handled, and %GTK_INPUT_ERROR if the conversion failed.
408 spinbutton_signals[INPUT] =
409 g_signal_new (I_("input"),
410 G_TYPE_FROM_CLASS (gobject_class),
412 G_STRUCT_OFFSET (GtkSpinButtonClass, input),
414 _gtk_marshal_INT__POINTER,
419 * GtkSpinButton::output:
420 * @spin_button: the object which received the signal
422 * The ::output signal can be used to change to formatting
423 * of the value that is displayed in the spin buttons entry.
425 * /* show leading zeros */
427 * on_output (GtkSpinButton *spin,
430 * GtkAdjustment *adjustment;
434 * adjustment = gtk_spin_button_get_adjustment (spin);
435 * value = (int)gtk_adjustment_get_value (adjustment);
436 * text = g_strdup_printf ("%02d", value);
437 * gtk_entry_set_text (GTK_ENTRY (spin), text);
444 * Returns: %TRUE if the value has been displayed
446 spinbutton_signals[OUTPUT] =
447 g_signal_new (I_("output"),
448 G_TYPE_FROM_CLASS (gobject_class),
450 G_STRUCT_OFFSET (GtkSpinButtonClass, output),
451 _gtk_boolean_handled_accumulator, NULL,
452 _gtk_marshal_BOOLEAN__VOID,
455 spinbutton_signals[VALUE_CHANGED] =
456 g_signal_new (I_("value-changed"),
457 G_TYPE_FROM_CLASS (gobject_class),
459 G_STRUCT_OFFSET (GtkSpinButtonClass, value_changed),
461 _gtk_marshal_VOID__VOID,
465 * GtkSpinButton::wrapped:
466 * @spinbutton: the object which received the signal
468 * The wrapped signal is emitted right after the spinbutton wraps
469 * from its maximum to minimum value or vice-versa.
473 spinbutton_signals[WRAPPED] =
474 g_signal_new (I_("wrapped"),
475 G_TYPE_FROM_CLASS (gobject_class),
477 G_STRUCT_OFFSET (GtkSpinButtonClass, wrapped),
479 _gtk_marshal_VOID__VOID,
483 spinbutton_signals[CHANGE_VALUE] =
484 g_signal_new (I_("change-value"),
485 G_TYPE_FROM_CLASS (gobject_class),
486 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
487 G_STRUCT_OFFSET (GtkSpinButtonClass, change_value),
489 _gtk_marshal_VOID__ENUM,
491 GTK_TYPE_SCROLL_TYPE);
493 binding_set = gtk_binding_set_by_class (class);
495 add_spin_binding (binding_set, GDK_KEY_Up, 0, GTK_SCROLL_STEP_UP);
496 add_spin_binding (binding_set, GDK_KEY_KP_Up, 0, GTK_SCROLL_STEP_UP);
497 add_spin_binding (binding_set, GDK_KEY_Down, 0, GTK_SCROLL_STEP_DOWN);
498 add_spin_binding (binding_set, GDK_KEY_KP_Down, 0, GTK_SCROLL_STEP_DOWN);
499 add_spin_binding (binding_set, GDK_KEY_Page_Up, 0, GTK_SCROLL_PAGE_UP);
500 add_spin_binding (binding_set, GDK_KEY_Page_Down, 0, GTK_SCROLL_PAGE_DOWN);
501 add_spin_binding (binding_set, GDK_KEY_Page_Up, GDK_CONTROL_MASK, GTK_SCROLL_END);
502 add_spin_binding (binding_set, GDK_KEY_Page_Down, GDK_CONTROL_MASK, GTK_SCROLL_START);
504 g_type_class_add_private (class, sizeof (GtkSpinButtonPrivate));
506 gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_SPIN_BUTTON_ACCESSIBLE);
510 gtk_spin_button_editable_init (GtkEditableInterface *iface)
512 iface->insert_text = gtk_spin_button_insert_text;
516 gtk_spin_button_set_property (GObject *object,
521 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (object);
522 GtkSpinButtonPrivate *priv = spin_button->priv;
526 GtkAdjustment *adjustment;
528 case PROP_ADJUSTMENT:
529 adjustment = GTK_ADJUSTMENT (g_value_get_object (value));
531 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
532 gtk_spin_button_set_adjustment (spin_button, adjustment);
534 case PROP_CLIMB_RATE:
535 gtk_spin_button_configure (spin_button,
537 g_value_get_double (value),
541 gtk_spin_button_configure (spin_button,
544 g_value_get_uint (value));
546 case PROP_SNAP_TO_TICKS:
547 gtk_spin_button_set_snap_to_ticks (spin_button, g_value_get_boolean (value));
550 gtk_spin_button_set_numeric (spin_button, g_value_get_boolean (value));
553 gtk_spin_button_set_wrap (spin_button, g_value_get_boolean (value));
555 case PROP_UPDATE_POLICY:
556 gtk_spin_button_set_update_policy (spin_button, g_value_get_enum (value));
559 gtk_spin_button_set_value (spin_button, g_value_get_double (value));
562 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
568 gtk_spin_button_get_property (GObject *object,
573 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (object);
574 GtkSpinButtonPrivate *priv = spin_button->priv;
578 case PROP_ADJUSTMENT:
579 g_value_set_object (value, priv->adjustment);
581 case PROP_CLIMB_RATE:
582 g_value_set_double (value, priv->climb_rate);
585 g_value_set_uint (value, priv->digits);
587 case PROP_SNAP_TO_TICKS:
588 g_value_set_boolean (value, priv->snap_to_ticks);
591 g_value_set_boolean (value, priv->numeric);
594 g_value_set_boolean (value, priv->wrap);
596 case PROP_UPDATE_POLICY:
597 g_value_set_enum (value, priv->update_policy);
600 g_value_set_double (value, gtk_adjustment_get_value (priv->adjustment));
603 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
611 gint width, height, icon_size;
613 gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &width, &height);
614 icon_size = MAX (width, height);
620 create_one_pixbuf (GtkStyleContext *context,
621 const gchar *icon_name)
623 GtkIconInfo *icon_info;
625 gint size = get_icon_size ();
627 icon_info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_default (),
629 GTK_ICON_LOOKUP_GENERIC_FALLBACK |
630 GTK_ICON_LOOKUP_USE_BUILTIN);
632 if (icon_info != NULL)
634 pix = gtk_icon_info_load_symbolic_for_context (icon_info, context,
636 gtk_icon_info_free (icon_info);
640 GtkIconSet *icon_set;
642 icon_set = gtk_style_context_lookup_icon_set (context, GTK_STOCK_MISSING_IMAGE);
643 pix = gtk_icon_set_render_icon_pixbuf (icon_set, context, GTK_ICON_SIZE_MENU);
645 g_warning ("Unable to fetch icon %s from the icon theme", icon_name);
652 gtk_spin_button_init (GtkSpinButton *spin_button)
654 GtkSpinButtonPrivate *priv;
655 GtkStyleContext *context;
657 spin_button->priv = G_TYPE_INSTANCE_GET_PRIVATE (spin_button,
658 GTK_TYPE_SPIN_BUTTON,
659 GtkSpinButtonPrivate);
660 priv = spin_button->priv;
662 priv->adjustment = NULL;
663 priv->down_panel = NULL;
664 priv->up_panel = NULL;
666 priv->climb_rate = 0.0;
667 priv->timer_step = 0.0;
668 priv->update_policy = GTK_UPDATE_ALWAYS;
669 priv->in_child = NULL;
670 priv->click_child = NULL;
672 priv->need_timer = FALSE;
673 priv->timer_calls = 0;
675 priv->numeric = FALSE;
677 priv->snap_to_ticks = FALSE;
679 gtk_spin_button_set_adjustment (spin_button,
680 gtk_adjustment_new (0, 0, 0, 0, 0, 0));
682 context = gtk_widget_get_style_context (GTK_WIDGET (spin_button));
683 gtk_style_context_add_class (context, GTK_STYLE_CLASS_SPINBUTTON);
687 gtk_spin_button_finalize (GObject *object)
689 gtk_spin_button_set_adjustment (GTK_SPIN_BUTTON (object), NULL);
691 G_OBJECT_CLASS (gtk_spin_button_parent_class)->finalize (object);
695 gtk_spin_button_destroy (GtkWidget *widget)
697 gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (widget));
699 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->destroy (widget);
703 gtk_spin_button_map (GtkWidget *widget)
705 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget);
706 GtkSpinButtonPrivate *priv = spin_button->priv;
708 if (gtk_widget_get_realized (widget) && !gtk_widget_get_mapped (widget))
710 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->map (widget);
711 gdk_window_show (priv->down_panel);
712 gdk_window_show (priv->up_panel);
717 gtk_spin_button_unmap (GtkWidget *widget)
719 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget);
720 GtkSpinButtonPrivate *priv = spin_button->priv;
722 if (gtk_widget_get_mapped (widget))
724 gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (widget));
726 gdk_window_hide (priv->down_panel);
727 gdk_window_hide (priv->up_panel);
728 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->unmap (widget);
733 gtk_spin_button_panel_nthchildize_context (GtkSpinButton *spin_button,
734 GtkStyleContext *context,
737 GtkWidget *widget = GTK_WIDGET (spin_button);
738 GtkWidgetPath *path, *siblings_path;
739 GtkTextDirection direction;
740 gint up_pos, down_pos;
742 /* We are a subclass of GtkEntry, which is not a GtkContainer, so we
743 * have to emulate what gtk_container_get_path_for_child() would do
744 * for the button panels
746 path = gtk_widget_path_copy (gtk_widget_get_path (widget));
747 direction = gtk_widget_get_direction (widget);
748 siblings_path = gtk_widget_path_new ();
750 /* flip children order for RTL */
751 if (direction == GTK_TEXT_DIR_RTL)
753 up_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON);
754 down_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON);
755 gtk_widget_path_append_type (siblings_path, GTK_TYPE_ENTRY);
759 gtk_widget_path_append_type (siblings_path, GTK_TYPE_ENTRY);
760 down_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON);
761 up_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON);
764 gtk_widget_path_iter_add_class (siblings_path, up_pos, GTK_STYLE_CLASS_BUTTON);
765 gtk_widget_path_iter_add_class (siblings_path, down_pos, GTK_STYLE_CLASS_BUTTON);
767 /* this allows compatibility for themes that use .spinbutton.button */
768 gtk_widget_path_iter_add_class (siblings_path, up_pos, GTK_STYLE_CLASS_SPINBUTTON);
769 gtk_widget_path_iter_add_class (siblings_path, down_pos, GTK_STYLE_CLASS_SPINBUTTON);
771 if (panel == spin_button->priv->down_panel)
773 gtk_widget_path_append_with_siblings (path, siblings_path, up_pos);
774 gtk_widget_path_append_with_siblings (path, siblings_path, down_pos);
778 gtk_widget_path_append_with_siblings (path, siblings_path, down_pos);
779 gtk_widget_path_append_with_siblings (path, siblings_path, up_pos);
782 gtk_style_context_set_path (context, path);
783 gtk_widget_path_unref (path);
784 gtk_widget_path_unref (siblings_path);
788 gtk_spin_button_panel_at_limit (GtkSpinButton *spin_button,
791 GtkSpinButtonPrivate *priv = spin_button->priv;
792 GdkWindow *effective_panel;
797 if (gtk_adjustment_get_step_increment (priv->adjustment) > 0)
798 effective_panel = panel;
800 effective_panel = panel == priv->up_panel ? priv->down_panel : priv->up_panel;
802 if (effective_panel == priv->up_panel &&
803 (gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment) <= EPSILON))
806 if (effective_panel == priv->down_panel &&
807 (gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment) <= EPSILON))
814 gtk_spin_button_panel_get_state (GtkSpinButton *spin_button,
818 GtkSpinButtonPrivate *priv = spin_button->priv;
820 state = gtk_widget_get_state_flags (GTK_WIDGET (spin_button));
822 state &= ~(GTK_STATE_FLAG_ACTIVE | GTK_STATE_FLAG_PRELIGHT);
824 if ((state & GTK_STATE_FLAG_INSENSITIVE) ||
825 gtk_spin_button_panel_at_limit (spin_button, panel) ||
826 !gtk_editable_get_editable (GTK_EDITABLE (spin_button)))
828 state |= GTK_STATE_FLAG_INSENSITIVE;
832 if (priv->click_child == panel)
833 state |= GTK_STATE_ACTIVE;
834 else if (priv->in_child == panel &&
835 priv->click_child == NULL)
836 state |= GTK_STATE_FLAG_PRELIGHT;
842 static GtkStyleContext *
843 gtk_spin_button_panel_get_context (GtkSpinButton *spin_button,
846 GtkStyleContext *context;
848 context = gtk_style_context_new ();
849 gtk_spin_button_panel_nthchildize_context (spin_button, context, panel);
855 gtk_spin_button_panel_get_width (GtkSpinButton *spin_button,
858 GtkBorder button_padding, button_border;
859 GtkStyleContext *context;
862 context = gtk_spin_button_panel_get_context (spin_button, panel);
863 state = gtk_spin_button_panel_get_state (spin_button, panel);
865 gtk_style_context_get_padding (context, state, &button_padding);
866 gtk_style_context_get_border (context, state, &button_border);
868 g_object_unref (context);
870 return get_icon_size () + button_padding.left + button_padding.right +
871 button_border.left + button_border.right;
875 gtk_spin_button_panel_get_allocations (GtkSpinButton *spin_button,
876 GtkAllocation *down_allocation_out,
877 GtkAllocation *up_allocation_out)
879 GtkWidget *widget = GTK_WIDGET (spin_button);
880 GtkSpinButtonPrivate *priv = spin_button->priv;
881 GtkAllocation spin_allocation, down_allocation, up_allocation, allocation;
882 GtkRequisition requisition;
884 gint up_panel_width, down_panel_width;
885 GtkStyleContext *context;
888 gtk_widget_get_allocation (widget, &spin_allocation);
889 gtk_widget_get_preferred_size (widget, &requisition, NULL);
891 context = gtk_widget_get_style_context (GTK_WIDGET (spin_button));
892 gtk_style_context_get_border (context, GTK_STATE_NORMAL, &space);
894 req_height = requisition.height - gtk_widget_get_margin_top (widget) - gtk_widget_get_margin_bottom (widget);
895 down_panel_width = gtk_spin_button_panel_get_width (spin_button, priv->down_panel);
896 up_panel_width = gtk_spin_button_panel_get_width (spin_button, priv->up_panel);
898 /* both panels have the same size, and they're as big as the entry allocation,
901 allocation.height = MIN (req_height, spin_allocation.height) - space.top - space.bottom;
902 allocation.y = spin_allocation.y + space.top + (spin_allocation.height - req_height) / 2;
903 down_allocation = up_allocation = allocation;
905 down_allocation.width = down_panel_width;
906 up_allocation.width = up_panel_width;
908 /* invert x axis allocation for RTL */
909 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
911 up_allocation.x = spin_allocation.x + space.left;
912 down_allocation.x = up_allocation.x + up_panel_width;
916 up_allocation.x = spin_allocation.x + spin_allocation.width - up_panel_width - space.right;
917 down_allocation.x = up_allocation.x - down_panel_width;
920 if (down_allocation_out)
921 *down_allocation_out = down_allocation;
922 if (up_allocation_out)
923 *up_allocation_out = up_allocation;
927 gtk_spin_button_panel_draw (GtkSpinButton *spin_button,
931 GtkSpinButtonPrivate *priv = spin_button->priv;
932 GtkStyleContext *context;
935 gdouble width, height, x, y;
938 widget = GTK_WIDGET (spin_button);
941 gtk_cairo_transform_to_window (cr, widget, panel);
943 context = gtk_spin_button_panel_get_context (spin_button, panel);
944 state = gtk_spin_button_panel_get_state (spin_button, panel);
945 gtk_style_context_set_state (context, state);
947 height = gdk_window_get_height (panel);
948 width = gdk_window_get_width (panel);
950 if (panel == priv->down_panel)
951 pix = create_one_pixbuf (context, "list-remove-symbolic");
953 pix = create_one_pixbuf (context, "list-add-symbolic");
955 gtk_render_background (context, cr,
956 0, 0, width, height);
957 gtk_render_frame (context, cr,
958 0, 0, width, height);
960 x = floor ((width - gdk_pixbuf_get_width (pix)) / 2.0);
961 y = floor ((height - gdk_pixbuf_get_height (pix)) / 2.0);
963 gtk_render_icon (context, cr, pix,
967 g_object_unref (pix);
968 g_object_unref (context);
972 gtk_spin_button_realize (GtkWidget *widget)
974 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget);
975 GtkSpinButtonPrivate *priv = spin_button->priv;
976 GtkAllocation down_allocation, up_allocation;
977 GdkWindowAttr attributes;
978 gint attributes_mask;
981 gtk_widget_set_events (widget, gtk_widget_get_events (widget) |
982 GDK_KEY_RELEASE_MASK);
983 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->realize (widget);
985 attributes.window_type = GDK_WINDOW_CHILD;
986 attributes.wclass = GDK_INPUT_ONLY;
987 attributes.visual = gtk_widget_get_visual (widget);
988 attributes.event_mask = gtk_widget_get_events (widget);
989 attributes.event_mask |= GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK
990 | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_ENTER_NOTIFY_MASK
991 | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK;
993 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
995 gtk_spin_button_panel_get_allocations (spin_button, &down_allocation, &up_allocation);
997 /* create the left panel window */
998 attributes.x = down_allocation.x;
999 attributes.y = down_allocation.y;
1000 attributes.width = down_allocation.width;
1001 attributes.height = down_allocation.height;
1003 priv->down_panel = gdk_window_new (gtk_widget_get_window (widget),
1004 &attributes, attributes_mask);
1005 gdk_window_set_user_data (priv->down_panel, widget);
1007 /* create the right panel window */
1008 attributes.x = up_allocation.x;
1009 attributes.y = up_allocation.y;
1010 attributes.width = up_allocation.width;
1011 attributes.height = up_allocation.height;
1013 priv->up_panel = gdk_window_new (gtk_widget_get_window (widget),
1014 &attributes, attributes_mask);
1015 gdk_window_set_user_data (priv->up_panel, widget);
1018 g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val);
1019 if (return_val == FALSE)
1020 gtk_spin_button_default_output (spin_button);
1022 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
1026 gtk_spin_button_unrealize (GtkWidget *widget)
1028 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1029 GtkSpinButtonPrivate *priv = spin->priv;
1031 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->unrealize (widget);
1033 if (priv->down_panel)
1035 gdk_window_set_user_data (priv->down_panel, NULL);
1036 gdk_window_destroy (priv->down_panel);
1037 priv->down_panel = NULL;
1042 gdk_window_set_user_data (priv->up_panel, NULL);
1043 gdk_window_destroy (priv->up_panel);
1044 priv->up_panel = NULL;
1049 compute_double_length (double val, int digits)
1055 if (fabs (val) > 1.0)
1056 a = floor (log10 (fabs (val))) + 1;
1068 return a + digits + extra;
1072 gtk_spin_button_get_preferred_width (GtkWidget *widget,
1076 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget);
1077 GtkSpinButtonPrivate *priv = spin_button->priv;
1078 GtkEntry *entry = GTK_ENTRY (widget);
1079 GtkStyleContext *style_context;
1080 gint up_panel_width, down_panel_width;
1082 style_context = gtk_widget_get_style_context (widget);
1083 up_panel_width = gtk_spin_button_panel_get_width (spin_button, priv->up_panel);
1084 down_panel_width = gtk_spin_button_panel_get_width (spin_button, priv->down_panel);
1086 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->get_preferred_width (widget, minimum, natural);
1088 if (gtk_entry_get_width_chars (entry) < 0)
1090 PangoContext *context;
1091 const PangoFontDescription *font_desc;
1092 PangoFontMetrics *metrics;
1096 gint max_string_len;
1098 gboolean interior_focus;
1101 GtkBorder inner_border;
1103 gtk_style_context_get_style (style_context,
1104 "interior-focus", &interior_focus,
1105 "focus-line-width", &focus_width,
1107 font_desc = gtk_style_context_get_font (style_context, GTK_STATE_FLAG_NORMAL);
1109 context = gtk_widget_get_pango_context (widget);
1110 metrics = pango_context_get_metrics (context, font_desc,
1111 pango_context_get_language (context));
1113 digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
1114 digit_width = PANGO_SCALE *
1115 ((digit_width + PANGO_SCALE - 1) / PANGO_SCALE);
1117 pango_font_metrics_unref (metrics);
1119 /* Get max of MIN_SPIN_BUTTON_WIDTH, size of upper, size of lower */
1120 width = MIN_SPIN_BUTTON_WIDTH;
1121 max_string_len = MAX (10, compute_double_length (1e9 * gtk_adjustment_get_step_increment (priv->adjustment),
1124 string_len = compute_double_length (gtk_adjustment_get_upper (priv->adjustment),
1126 w = PANGO_PIXELS (MIN (string_len, max_string_len) * digit_width);
1127 width = MAX (width, w);
1128 string_len = compute_double_length (gtk_adjustment_get_lower (priv->adjustment), priv->digits);
1129 w = PANGO_PIXELS (MIN (string_len, max_string_len) * digit_width);
1130 width = MAX (width, w);
1132 _gtk_entry_get_borders (entry, &borders);
1133 width += borders.left + borders.right;
1139 *minimum += up_panel_width + down_panel_width;
1140 *natural += up_panel_width + down_panel_width;
1144 gtk_spin_button_size_allocate (GtkWidget *widget,
1145 GtkAllocation *allocation)
1147 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1148 GtkSpinButtonPrivate *priv = spin->priv;
1149 GtkAllocation down_panel_allocation, up_panel_allocation;
1151 gtk_widget_set_allocation (widget, allocation);
1152 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->size_allocate (widget, allocation);
1154 gtk_spin_button_panel_get_allocations (spin, &down_panel_allocation, &up_panel_allocation);
1156 if (gtk_widget_get_realized (widget))
1158 gdk_window_move_resize (priv->down_panel,
1159 down_panel_allocation.x,
1160 down_panel_allocation.y,
1161 down_panel_allocation.width,
1162 down_panel_allocation.height);
1164 gdk_window_move_resize (priv->up_panel,
1165 up_panel_allocation.x,
1166 up_panel_allocation.y,
1167 up_panel_allocation.width,
1168 up_panel_allocation.height);
1171 gtk_widget_queue_draw (GTK_WIDGET (spin));
1175 gtk_spin_button_draw (GtkWidget *widget,
1178 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1179 GtkSpinButtonPrivate *priv = spin->priv;
1181 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->draw (widget, cr);
1183 /* Draw the buttons */
1184 gtk_spin_button_panel_draw (spin, cr, priv->down_panel);
1185 gtk_spin_button_panel_draw (spin, cr, priv->up_panel);
1191 gtk_spin_button_enter_notify (GtkWidget *widget,
1192 GdkEventCrossing *event)
1194 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1195 GtkSpinButtonPrivate *priv = spin->priv;
1197 if ((event->window == priv->down_panel) ||
1198 (event->window == priv->up_panel))
1200 priv->in_child = event->window;
1201 gtk_widget_queue_draw (GTK_WIDGET (spin));
1204 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->enter_notify_event (widget, event);
1208 gtk_spin_button_leave_notify (GtkWidget *widget,
1209 GdkEventCrossing *event)
1211 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1212 GtkSpinButtonPrivate *priv = spin->priv;
1214 if (priv->in_child != NULL)
1216 priv->in_child = NULL;
1217 gtk_widget_queue_draw (GTK_WIDGET (spin));
1220 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->leave_notify_event (widget, event);
1224 gtk_spin_button_focus_out (GtkWidget *widget,
1225 GdkEventFocus *event)
1227 if (gtk_editable_get_editable (GTK_EDITABLE (widget)))
1228 gtk_spin_button_update (GTK_SPIN_BUTTON (widget));
1230 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->focus_out_event (widget, event);
1234 gtk_spin_button_grab_notify (GtkWidget *widget,
1235 gboolean was_grabbed)
1237 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1241 if (gtk_spin_button_stop_spinning (spin))
1242 gtk_widget_queue_draw (GTK_WIDGET (spin));
1247 gtk_spin_button_state_flags_changed (GtkWidget *widget,
1248 GtkStateFlags previous_state)
1250 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1252 if (!gtk_widget_is_sensitive (widget))
1254 if (gtk_spin_button_stop_spinning (spin))
1255 gtk_widget_queue_draw (GTK_WIDGET (spin));
1260 gtk_spin_button_scroll (GtkWidget *widget,
1261 GdkEventScroll *event)
1263 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1264 GtkSpinButtonPrivate *priv = spin->priv;
1266 if (event->direction == GDK_SCROLL_UP)
1268 if (!gtk_widget_has_focus (widget))
1269 gtk_widget_grab_focus (widget);
1270 gtk_spin_button_real_spin (spin, gtk_adjustment_get_step_increment (priv->adjustment));
1272 else if (event->direction == GDK_SCROLL_DOWN)
1274 if (!gtk_widget_has_focus (widget))
1275 gtk_widget_grab_focus (widget);
1276 gtk_spin_button_real_spin (spin, -gtk_adjustment_get_step_increment (priv->adjustment));
1285 gtk_spin_button_stop_spinning (GtkSpinButton *spin)
1287 GtkSpinButtonPrivate *priv = spin->priv;
1288 gboolean did_spin = FALSE;
1292 g_source_remove (priv->timer);
1294 priv->need_timer = FALSE;
1300 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1301 priv->timer_calls = 0;
1303 priv->click_child = NULL;
1309 start_spinning (GtkSpinButton *spin,
1310 GdkWindow *click_child,
1313 GtkSpinButtonPrivate *priv;
1317 priv->click_child = click_child;
1321 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (spin));
1324 g_object_get (settings, "gtk-timeout-initial", &timeout, NULL);
1326 priv->timer_step = step;
1327 priv->need_timer = TRUE;
1328 priv->timer = gdk_threads_add_timeout (timeout,
1329 (GSourceFunc) gtk_spin_button_timer,
1332 gtk_spin_button_real_spin (spin, click_child == priv->up_panel ? step : -step);
1334 gtk_widget_queue_draw (GTK_WIDGET (spin));
1338 gtk_spin_button_button_press (GtkWidget *widget,
1339 GdkEventButton *event)
1341 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1342 GtkSpinButtonPrivate *priv = spin->priv;
1346 if ((event->window == priv->down_panel) ||
1347 (event->window == priv->up_panel))
1349 if (!gtk_widget_has_focus (widget))
1350 gtk_widget_grab_focus (widget);
1351 priv->button = event->button;
1353 if (gtk_editable_get_editable (GTK_EDITABLE (widget))) {
1354 gtk_spin_button_update (spin);
1356 if (event->button == GDK_BUTTON_PRIMARY)
1357 start_spinning (spin, event->window, gtk_adjustment_get_step_increment (priv->adjustment));
1358 else if (event->button == GDK_BUTTON_MIDDLE)
1359 start_spinning (spin, event->window, gtk_adjustment_get_page_increment (priv->adjustment));
1361 priv->click_child = event->window;
1363 gtk_widget_error_bell (widget);
1368 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->button_press_event (widget, event);
1374 gtk_spin_button_button_release (GtkWidget *widget,
1375 GdkEventButton *event)
1377 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1378 GtkSpinButtonPrivate *priv = spin->priv;
1380 if (event->button == priv->button)
1382 GdkWindow *click_child = priv->click_child;
1384 gtk_spin_button_stop_spinning (spin);
1386 if (event->button == GDK_BUTTON_SECONDARY)
1390 if (event->window == priv->down_panel &&
1391 click_child == event->window)
1393 diff = gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment);
1395 gtk_spin_button_real_spin (spin, -diff);
1397 else if (event->window == priv->up_panel &&
1398 click_child == event->window)
1400 diff = gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment);
1402 gtk_spin_button_real_spin (spin, diff);
1405 gtk_widget_queue_draw (GTK_WIDGET (spin));
1410 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->button_release_event (widget, event);
1414 gtk_spin_button_motion_notify (GtkWidget *widget,
1415 GdkEventMotion *event)
1417 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1418 GtkSpinButtonPrivate *priv = spin->priv;
1423 if (event->window == priv->down_panel ||
1424 event->window == priv->up_panel)
1426 gdk_event_request_motions (event);
1428 priv->in_child = event->window;
1429 gtk_widget_queue_draw (widget);
1434 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->motion_notify_event (widget, event);
1438 gtk_spin_button_timer (GtkSpinButton *spin_button)
1440 GtkSpinButtonPrivate *priv = spin_button->priv;
1441 gboolean retval = FALSE;
1445 if (priv->click_child == priv->up_panel)
1446 gtk_spin_button_real_spin (spin_button, priv->timer_step);
1448 gtk_spin_button_real_spin (spin_button, -priv->timer_step);
1450 if (priv->need_timer)
1452 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (spin_button));
1455 g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL);
1457 priv->need_timer = FALSE;
1458 priv->timer = gdk_threads_add_timeout (timeout,
1459 (GSourceFunc) gtk_spin_button_timer,
1460 (gpointer) spin_button);
1464 if (priv->climb_rate > 0.0 && priv->timer_step
1465 < gtk_adjustment_get_page_increment (priv->adjustment))
1467 if (priv->timer_calls < MAX_TIMER_CALLS)
1468 priv->timer_calls++;
1471 priv->timer_calls = 0;
1472 priv->timer_step += priv->climb_rate;
1483 gtk_spin_button_value_changed (GtkAdjustment *adjustment,
1484 GtkSpinButton *spin_button)
1486 gboolean return_val;
1488 g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
1491 g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val);
1492 if (return_val == FALSE)
1493 gtk_spin_button_default_output (spin_button);
1495 g_signal_emit (spin_button, spinbutton_signals[VALUE_CHANGED], 0);
1497 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
1499 g_object_notify (G_OBJECT (spin_button), "value");
1503 gtk_spin_button_real_change_value (GtkSpinButton *spin,
1504 GtkScrollType scroll)
1506 GtkSpinButtonPrivate *priv = spin->priv;
1509 if (!gtk_editable_get_editable (GTK_EDITABLE (spin)))
1511 gtk_widget_error_bell (GTK_WIDGET (spin));
1515 /* When the key binding is activated, there may be an outstanding
1516 * value, so we first have to commit what is currently written in
1517 * the spin buttons text entry. See #106574
1519 gtk_spin_button_update (spin);
1521 old_value = gtk_adjustment_get_value (priv->adjustment);
1525 case GTK_SCROLL_STEP_BACKWARD:
1526 case GTK_SCROLL_STEP_DOWN:
1527 case GTK_SCROLL_STEP_LEFT:
1528 gtk_spin_button_real_spin (spin, -priv->timer_step);
1530 if (priv->climb_rate > 0.0 && priv->timer_step
1531 < gtk_adjustment_get_page_increment (priv->adjustment))
1533 if (priv->timer_calls < MAX_TIMER_CALLS)
1534 priv->timer_calls++;
1537 priv->timer_calls = 0;
1538 priv->timer_step += priv->climb_rate;
1543 case GTK_SCROLL_STEP_FORWARD:
1544 case GTK_SCROLL_STEP_UP:
1545 case GTK_SCROLL_STEP_RIGHT:
1546 gtk_spin_button_real_spin (spin, priv->timer_step);
1548 if (priv->climb_rate > 0.0 && priv->timer_step
1549 < gtk_adjustment_get_page_increment (priv->adjustment))
1551 if (priv->timer_calls < MAX_TIMER_CALLS)
1552 priv->timer_calls++;
1555 priv->timer_calls = 0;
1556 priv->timer_step += priv->climb_rate;
1561 case GTK_SCROLL_PAGE_BACKWARD:
1562 case GTK_SCROLL_PAGE_DOWN:
1563 case GTK_SCROLL_PAGE_LEFT:
1564 gtk_spin_button_real_spin (spin, -gtk_adjustment_get_page_increment (priv->adjustment));
1567 case GTK_SCROLL_PAGE_FORWARD:
1568 case GTK_SCROLL_PAGE_UP:
1569 case GTK_SCROLL_PAGE_RIGHT:
1570 gtk_spin_button_real_spin (spin, gtk_adjustment_get_page_increment (priv->adjustment));
1573 case GTK_SCROLL_START:
1575 gdouble diff = gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment);
1577 gtk_spin_button_real_spin (spin, -diff);
1581 case GTK_SCROLL_END:
1583 gdouble diff = gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment);
1585 gtk_spin_button_real_spin (spin, diff);
1590 g_warning ("Invalid scroll type %d for GtkSpinButton::change-value", scroll);
1594 gtk_spin_button_update (spin);
1596 if (gtk_adjustment_get_value (priv->adjustment) == old_value)
1597 gtk_widget_error_bell (GTK_WIDGET (spin));
1601 gtk_spin_button_key_release (GtkWidget *widget,
1604 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1605 GtkSpinButtonPrivate *priv = spin->priv;
1607 /* We only get a release at the end of a key repeat run, so reset the timer_step */
1608 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1609 priv->timer_calls = 0;
1615 gtk_spin_button_snap (GtkSpinButton *spin_button,
1618 GtkSpinButtonPrivate *priv = spin_button->priv;
1622 inc = gtk_adjustment_get_step_increment (priv->adjustment);
1626 tmp = (val - gtk_adjustment_get_lower (priv->adjustment)) / inc;
1627 if (tmp - floor (tmp) < ceil (tmp) - tmp)
1628 val = gtk_adjustment_get_lower (priv->adjustment) + floor (tmp) * inc;
1630 val = gtk_adjustment_get_lower (priv->adjustment) + ceil (tmp) * inc;
1632 gtk_spin_button_set_value (spin_button, val);
1636 gtk_spin_button_activate (GtkEntry *entry)
1638 if (gtk_editable_get_editable (GTK_EDITABLE (entry)))
1639 gtk_spin_button_update (GTK_SPIN_BUTTON (entry));
1641 /* Chain up so that entry->activates_default is honored */
1642 GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->activate (entry);
1646 gtk_spin_button_get_text_area_size (GtkEntry *entry,
1652 GtkSpinButtonPrivate *priv = GTK_SPIN_BUTTON (entry)->priv;
1653 gint up_panel_width, down_panel_width;
1655 up_panel_width = gtk_spin_button_panel_get_width (GTK_SPIN_BUTTON (entry), priv->up_panel);
1656 down_panel_width = gtk_spin_button_panel_get_width (GTK_SPIN_BUTTON (entry), priv->down_panel);
1658 GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->get_text_area_size (entry, x, y, width, height);
1660 if (gtk_widget_get_direction (GTK_WIDGET (entry)) == GTK_TEXT_DIR_RTL)
1663 *x += up_panel_width + down_panel_width;
1667 *width -= up_panel_width + down_panel_width;
1671 gtk_spin_button_insert_text (GtkEditable *editable,
1672 const gchar *new_text,
1673 gint new_text_length,
1676 GtkEntry *entry = GTK_ENTRY (editable);
1677 GtkSpinButton *spin = GTK_SPIN_BUTTON (editable);
1678 GtkSpinButtonPrivate *priv = spin->priv;
1679 GtkEditableInterface *parent_editable_iface;
1681 parent_editable_iface = g_type_interface_peek (gtk_spin_button_parent_class,
1693 const gchar *entry_text;
1695 entry_length = gtk_entry_get_text_length (entry);
1696 entry_text = gtk_entry_get_text (entry);
1700 if (*(lc->negative_sign))
1701 neg_sign = *(lc->negative_sign);
1705 if (*(lc->positive_sign))
1706 pos_sign = *(lc->positive_sign);
1711 /* Workaround for bug caused by some Windows application messing
1712 * up the positive sign of the current locale, more specifically
1713 * HKEY_CURRENT_USER\Control Panel\International\sPositiveSign.
1714 * See bug #330743 and for instance
1715 * http://www.msnewsgroups.net/group/microsoft.public.dotnet.languages.csharp/topic36024.aspx
1717 * I don't know if the positive sign always gets bogusly set to
1718 * a digit when the above Registry value is corrupted as
1719 * described. (In my test case, it got set to "8", and in the
1720 * bug report above it presumably was set ot "0".) Probably it
1721 * might get set to almost anything? So how to distinguish a
1722 * bogus value from some correct one for some locale? That is
1723 * probably hard, but at least we should filter out the
1726 if (pos_sign >= '0' && pos_sign <= '9')
1730 for (sign=0, i=0; i<entry_length; i++)
1731 if ((entry_text[i] == neg_sign) ||
1732 (entry_text[i] == pos_sign))
1738 if (sign && !(*position))
1741 for (dotpos=-1, i=0; i<entry_length; i++)
1742 if (entry_text[i] == *(lc->decimal_point))
1748 if (dotpos > -1 && *position > dotpos &&
1749 (gint)priv->digits - entry_length
1750 + dotpos - new_text_length + 1 < 0)
1753 for (i = 0; i < new_text_length; i++)
1755 if (new_text[i] == neg_sign || new_text[i] == pos_sign)
1757 if (sign || (*position) || i)
1761 else if (new_text[i] == *(lc->decimal_point))
1763 if (!priv->digits || dotpos > -1 ||
1764 (new_text_length - 1 - i + entry_length
1765 - *position > (gint)priv->digits))
1767 dotpos = *position + i;
1769 else if (new_text[i] < 0x30 || new_text[i] > 0x39)
1774 parent_editable_iface->insert_text (editable, new_text,
1775 new_text_length, position);
1779 gtk_spin_button_real_spin (GtkSpinButton *spin_button,
1782 GtkSpinButtonPrivate *priv = spin_button->priv;
1783 GtkAdjustment *adjustment;
1784 gdouble new_value = 0.0;
1785 gboolean wrapped = FALSE;
1787 adjustment = priv->adjustment;
1789 new_value = gtk_adjustment_get_value (adjustment) + increment;
1795 if (fabs (gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_upper (adjustment)) < EPSILON)
1797 new_value = gtk_adjustment_get_lower (adjustment);
1800 else if (new_value > gtk_adjustment_get_upper (adjustment))
1801 new_value = gtk_adjustment_get_upper (adjustment);
1804 new_value = MIN (new_value, gtk_adjustment_get_upper (adjustment));
1806 else if (increment < 0)
1810 if (fabs (gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_lower (adjustment)) < EPSILON)
1812 new_value = gtk_adjustment_get_upper (adjustment);
1815 else if (new_value < gtk_adjustment_get_lower (adjustment))
1816 new_value = gtk_adjustment_get_lower (adjustment);
1819 new_value = MAX (new_value, gtk_adjustment_get_lower (adjustment));
1822 if (fabs (new_value - gtk_adjustment_get_value (adjustment)) > EPSILON)
1823 gtk_adjustment_set_value (adjustment, new_value);
1826 g_signal_emit (spin_button, spinbutton_signals[WRAPPED], 0);
1828 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
1832 gtk_spin_button_default_input (GtkSpinButton *spin_button,
1837 *new_val = g_strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &err);
1839 return GTK_INPUT_ERROR;
1845 gtk_spin_button_default_output (GtkSpinButton *spin_button)
1847 GtkSpinButtonPrivate *priv = spin_button->priv;
1849 gchar *buf = g_strdup_printf ("%0.*f", priv->digits, gtk_adjustment_get_value (priv->adjustment));
1851 if (strcmp (buf, gtk_entry_get_text (GTK_ENTRY (spin_button))))
1852 gtk_entry_set_text (GTK_ENTRY (spin_button), buf);
1858 /***********************************************************
1859 ***********************************************************
1860 *** Public interface ***
1861 ***********************************************************
1862 ***********************************************************/
1866 * gtk_spin_button_configure:
1867 * @spin_button: a #GtkSpinButton
1868 * @adjustment: (allow-none): a #GtkAdjustment
1869 * @climb_rate: the new climb rate
1870 * @digits: the number of decimal places to display in the spin button
1872 * Changes the properties of an existing spin button. The adjustment,
1873 * climb rate, and number of decimal places are all changed accordingly,
1874 * after this function call.
1877 gtk_spin_button_configure (GtkSpinButton *spin_button,
1878 GtkAdjustment *adjustment,
1882 GtkSpinButtonPrivate *priv;
1884 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
1886 priv = spin_button->priv;
1889 gtk_spin_button_set_adjustment (spin_button, adjustment);
1891 adjustment = priv->adjustment;
1893 g_object_freeze_notify (G_OBJECT (spin_button));
1894 if (priv->digits != digits)
1896 priv->digits = digits;
1897 g_object_notify (G_OBJECT (spin_button), "digits");
1900 if (priv->climb_rate != climb_rate)
1902 priv->climb_rate = climb_rate;
1903 g_object_notify (G_OBJECT (spin_button), "climb-rate");
1905 g_object_thaw_notify (G_OBJECT (spin_button));
1907 gtk_adjustment_value_changed (adjustment);
1911 * gtk_spin_button_new:
1912 * @adjustment: (allow-none): the #GtkAdjustment object that this spin
1913 * button should use, or %NULL
1914 * @climb_rate: specifies how much the spin button changes when an arrow
1916 * @digits: the number of decimal places to display
1918 * Creates a new #GtkSpinButton.
1920 * Returns: The new spin button as a #GtkWidget
1923 gtk_spin_button_new (GtkAdjustment *adjustment,
1927 GtkSpinButton *spin;
1930 g_return_val_if_fail (GTK_IS_ADJUSTMENT (adjustment), NULL);
1932 spin = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL);
1934 gtk_spin_button_configure (spin, adjustment, climb_rate, digits);
1936 return GTK_WIDGET (spin);
1940 * gtk_spin_button_new_with_range:
1941 * @min: Minimum allowable value
1942 * @max: Maximum allowable value
1943 * @step: Increment added or subtracted by spinning the widget
1945 * This is a convenience constructor that allows creation of a numeric
1946 * #GtkSpinButton without manually creating an adjustment. The value is
1947 * initially set to the minimum value and a page increment of 10 * @step
1948 * is the default. The precision of the spin button is equivalent to the
1949 * precision of @step.
1951 * Note that the way in which the precision is derived works best if @step
1952 * is a power of ten. If the resulting precision is not suitable for your
1953 * needs, use gtk_spin_button_set_digits() to correct it.
1955 * Return value: The new spin button as a #GtkWidget
1958 gtk_spin_button_new_with_range (gdouble min,
1962 GtkAdjustment *adjustment;
1963 GtkSpinButton *spin;
1966 g_return_val_if_fail (min <= max, NULL);
1967 g_return_val_if_fail (step != 0.0, NULL);
1969 spin = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL);
1971 adjustment = gtk_adjustment_new (min, min, max, step, 10 * step, 0);
1973 if (fabs (step) >= 1.0 || step == 0.0)
1976 digits = abs ((gint) floor (log10 (fabs (step))));
1977 if (digits > MAX_DIGITS)
1978 digits = MAX_DIGITS;
1981 gtk_spin_button_configure (spin, adjustment, step, digits);
1983 gtk_spin_button_set_numeric (spin, TRUE);
1985 return GTK_WIDGET (spin);
1988 /* Callback used when the spin button's adjustment changes.
1989 * We need to redraw the arrows when the adjustment's range
1990 * changes, and reevaluate our size request.
1993 adjustment_changed_cb (GtkAdjustment *adjustment, gpointer data)
1995 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (data);
1996 GtkSpinButtonPrivate *priv = spin_button->priv;
1998 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1999 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
2003 * gtk_spin_button_set_adjustment:
2004 * @spin_button: a #GtkSpinButton
2005 * @adjustment: a #GtkAdjustment to replace the existing adjustment
2007 * Replaces the #GtkAdjustment associated with @spin_button.
2010 gtk_spin_button_set_adjustment (GtkSpinButton *spin_button,
2011 GtkAdjustment *adjustment)
2013 GtkSpinButtonPrivate *priv;
2015 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2017 priv = spin_button->priv;
2019 if (priv->adjustment != adjustment)
2021 if (priv->adjustment)
2023 g_signal_handlers_disconnect_by_func (priv->adjustment,
2024 gtk_spin_button_value_changed,
2026 g_signal_handlers_disconnect_by_func (priv->adjustment,
2027 adjustment_changed_cb,
2029 g_object_unref (priv->adjustment);
2031 priv->adjustment = adjustment;
2034 g_object_ref_sink (adjustment);
2035 g_signal_connect (adjustment, "value-changed",
2036 G_CALLBACK (gtk_spin_button_value_changed),
2038 g_signal_connect (adjustment, "changed",
2039 G_CALLBACK (adjustment_changed_cb),
2041 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
2044 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
2047 g_object_notify (G_OBJECT (spin_button), "adjustment");
2051 * gtk_spin_button_get_adjustment:
2052 * @spin_button: a #GtkSpinButton
2054 * Get the adjustment associated with a #GtkSpinButton
2056 * Return value: (transfer none): the #GtkAdjustment of @spin_button
2059 gtk_spin_button_get_adjustment (GtkSpinButton *spin_button)
2061 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), NULL);
2063 return spin_button->priv->adjustment;
2067 * gtk_spin_button_set_digits:
2068 * @spin_button: a #GtkSpinButton
2069 * @digits: the number of digits after the decimal point to be displayed for the spin button's value
2071 * Set the precision to be displayed by @spin_button. Up to 20 digit precision
2075 gtk_spin_button_set_digits (GtkSpinButton *spin_button,
2078 GtkSpinButtonPrivate *priv;
2080 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2082 priv = spin_button->priv;
2084 if (priv->digits != digits)
2086 priv->digits = digits;
2087 gtk_spin_button_value_changed (priv->adjustment, spin_button);
2088 g_object_notify (G_OBJECT (spin_button), "digits");
2090 /* since lower/upper may have changed */
2091 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
2096 * gtk_spin_button_get_digits:
2097 * @spin_button: a #GtkSpinButton
2099 * Fetches the precision of @spin_button. See gtk_spin_button_set_digits().
2101 * Returns: the current precision
2104 gtk_spin_button_get_digits (GtkSpinButton *spin_button)
2106 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0);
2108 return spin_button->priv->digits;
2112 * gtk_spin_button_set_increments:
2113 * @spin_button: a #GtkSpinButton
2114 * @step: increment applied for a button 1 press.
2115 * @page: increment applied for a button 2 press.
2117 * Sets the step and page increments for spin_button. This affects how
2118 * quickly the value changes when the spin button's arrows are activated.
2121 gtk_spin_button_set_increments (GtkSpinButton *spin_button,
2125 GtkSpinButtonPrivate *priv;
2127 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2129 priv = spin_button->priv;
2131 gtk_adjustment_configure (priv->adjustment,
2132 gtk_adjustment_get_value (priv->adjustment),
2133 gtk_adjustment_get_lower (priv->adjustment),
2134 gtk_adjustment_get_upper (priv->adjustment),
2137 gtk_adjustment_get_page_size (priv->adjustment));
2141 * gtk_spin_button_get_increments:
2142 * @spin_button: a #GtkSpinButton
2143 * @step: (out) (allow-none): location to store step increment, or %NULL
2144 * @page: (out) (allow-none): location to store page increment, or %NULL
2146 * Gets the current step and page the increments used by @spin_button. See
2147 * gtk_spin_button_set_increments().
2150 gtk_spin_button_get_increments (GtkSpinButton *spin_button,
2154 GtkSpinButtonPrivate *priv;
2156 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2158 priv = spin_button->priv;
2161 *step = gtk_adjustment_get_step_increment (priv->adjustment);
2163 *page = gtk_adjustment_get_page_increment (priv->adjustment);
2167 * gtk_spin_button_set_range:
2168 * @spin_button: a #GtkSpinButton
2169 * @min: minimum allowable value
2170 * @max: maximum allowable value
2172 * Sets the minimum and maximum allowable values for @spin_button.
2174 * If the current value is outside this range, it will be adjusted
2175 * to fit within the range, otherwise it will remain unchanged.
2178 gtk_spin_button_set_range (GtkSpinButton *spin_button,
2182 GtkAdjustment *adjustment;
2184 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2186 adjustment = spin_button->priv->adjustment;
2188 gtk_adjustment_configure (adjustment,
2189 CLAMP (gtk_adjustment_get_value (adjustment), min, max),
2192 gtk_adjustment_get_step_increment (adjustment),
2193 gtk_adjustment_get_page_increment (adjustment),
2194 gtk_adjustment_get_page_size (adjustment));
2198 * gtk_spin_button_get_range:
2199 * @spin_button: a #GtkSpinButton
2200 * @min: (out) (allow-none): location to store minimum allowed value, or %NULL
2201 * @max: (out) (allow-none): location to store maximum allowed value, or %NULL
2203 * Gets the range allowed for @spin_button.
2204 * See gtk_spin_button_set_range().
2207 gtk_spin_button_get_range (GtkSpinButton *spin_button,
2211 GtkSpinButtonPrivate *priv;
2213 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2215 priv = spin_button->priv;
2218 *min = gtk_adjustment_get_lower (priv->adjustment);
2220 *max = gtk_adjustment_get_upper (priv->adjustment);
2224 * gtk_spin_button_get_value:
2225 * @spin_button: a #GtkSpinButton
2227 * Get the value in the @spin_button.
2229 * Return value: the value of @spin_button
2232 gtk_spin_button_get_value (GtkSpinButton *spin_button)
2234 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0.0);
2236 return gtk_adjustment_get_value (spin_button->priv->adjustment);
2240 * gtk_spin_button_get_value_as_int:
2241 * @spin_button: a #GtkSpinButton
2243 * Get the value @spin_button represented as an integer.
2245 * Return value: the value of @spin_button
2248 gtk_spin_button_get_value_as_int (GtkSpinButton *spin_button)
2250 GtkSpinButtonPrivate *priv;
2253 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0);
2255 priv = spin_button->priv;
2257 val = gtk_adjustment_get_value (priv->adjustment);
2258 if (val - floor (val) < ceil (val) - val)
2265 * gtk_spin_button_set_value:
2266 * @spin_button: a #GtkSpinButton
2267 * @value: the new value
2269 * Sets the value of @spin_button.
2272 gtk_spin_button_set_value (GtkSpinButton *spin_button,
2275 GtkSpinButtonPrivate *priv;
2277 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2279 priv = spin_button->priv;
2281 if (fabs (value - gtk_adjustment_get_value (priv->adjustment)) > EPSILON)
2282 gtk_adjustment_set_value (priv->adjustment, value);
2285 gint return_val = FALSE;
2286 g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val);
2287 if (return_val == FALSE)
2288 gtk_spin_button_default_output (spin_button);
2293 * gtk_spin_button_set_update_policy:
2294 * @spin_button: a #GtkSpinButton
2295 * @policy: a #GtkSpinButtonUpdatePolicy value
2297 * Sets the update behavior of a spin button.
2298 * This determines wether the spin button is always updated
2299 * or only when a valid value is set.
2302 gtk_spin_button_set_update_policy (GtkSpinButton *spin_button,
2303 GtkSpinButtonUpdatePolicy policy)
2305 GtkSpinButtonPrivate *priv;
2307 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2309 priv = spin_button->priv;
2311 if (priv->update_policy != policy)
2313 priv->update_policy = policy;
2314 g_object_notify (G_OBJECT (spin_button), "update-policy");
2319 * gtk_spin_button_get_update_policy:
2320 * @spin_button: a #GtkSpinButton
2322 * Gets the update behavior of a spin button.
2323 * See gtk_spin_button_set_update_policy().
2325 * Return value: the current update policy
2327 GtkSpinButtonUpdatePolicy
2328 gtk_spin_button_get_update_policy (GtkSpinButton *spin_button)
2330 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), GTK_UPDATE_ALWAYS);
2332 return spin_button->priv->update_policy;
2336 * gtk_spin_button_set_numeric:
2337 * @spin_button: a #GtkSpinButton
2338 * @numeric: flag indicating if only numeric entry is allowed
2340 * Sets the flag that determines if non-numeric text can be typed
2341 * into the spin button.
2344 gtk_spin_button_set_numeric (GtkSpinButton *spin_button,
2347 GtkSpinButtonPrivate *priv;
2349 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2351 priv = spin_button->priv;
2353 numeric = numeric != FALSE;
2355 if (priv->numeric != numeric)
2357 priv->numeric = numeric;
2358 g_object_notify (G_OBJECT (spin_button), "numeric");
2363 * gtk_spin_button_get_numeric:
2364 * @spin_button: a #GtkSpinButton
2366 * Returns whether non-numeric text can be typed into the spin button.
2367 * See gtk_spin_button_set_numeric().
2369 * Return value: %TRUE if only numeric text can be entered
2372 gtk_spin_button_get_numeric (GtkSpinButton *spin_button)
2374 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2376 return spin_button->priv->numeric;
2380 * gtk_spin_button_set_wrap:
2381 * @spin_button: a #GtkSpinButton
2382 * @wrap: a flag indicating if wrapping behavior is performed
2384 * Sets the flag that determines if a spin button value wraps
2385 * around to the opposite limit when the upper or lower limit
2386 * of the range is exceeded.
2389 gtk_spin_button_set_wrap (GtkSpinButton *spin_button,
2392 GtkSpinButtonPrivate *priv;
2394 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2396 priv = spin_button->priv;
2398 wrap = wrap != FALSE;
2400 if (priv->wrap != wrap)
2404 g_object_notify (G_OBJECT (spin_button), "wrap");
2409 * gtk_spin_button_get_wrap:
2410 * @spin_button: a #GtkSpinButton
2412 * Returns whether the spin button's value wraps around to the
2413 * opposite limit when the upper or lower limit of the range is
2414 * exceeded. See gtk_spin_button_set_wrap().
2416 * Return value: %TRUE if the spin button wraps around
2419 gtk_spin_button_get_wrap (GtkSpinButton *spin_button)
2421 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2423 return spin_button->priv->wrap;
2427 * gtk_spin_button_set_snap_to_ticks:
2428 * @spin_button: a #GtkSpinButton
2429 * @snap_to_ticks: a flag indicating if invalid values should be corrected
2431 * Sets the policy as to whether values are corrected to the
2432 * nearest step increment when a spin button is activated after
2433 * providing an invalid value.
2436 gtk_spin_button_set_snap_to_ticks (GtkSpinButton *spin_button,
2437 gboolean snap_to_ticks)
2439 GtkSpinButtonPrivate *priv;
2442 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2444 priv = spin_button->priv;
2446 new_val = (snap_to_ticks != 0);
2448 if (new_val != priv->snap_to_ticks)
2450 priv->snap_to_ticks = new_val;
2451 if (new_val && gtk_editable_get_editable (GTK_EDITABLE (spin_button)))
2452 gtk_spin_button_update (spin_button);
2454 g_object_notify (G_OBJECT (spin_button), "snap-to-ticks");
2459 * gtk_spin_button_get_snap_to_ticks:
2460 * @spin_button: a #GtkSpinButton
2462 * Returns whether the values are corrected to the nearest step.
2463 * See gtk_spin_button_set_snap_to_ticks().
2465 * Return value: %TRUE if values are snapped to the nearest step
2468 gtk_spin_button_get_snap_to_ticks (GtkSpinButton *spin_button)
2470 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2472 return spin_button->priv->snap_to_ticks;
2476 * gtk_spin_button_spin:
2477 * @spin_button: a #GtkSpinButton
2478 * @direction: a #GtkSpinType indicating the direction to spin
2479 * @increment: step increment to apply in the specified direction
2481 * Increment or decrement a spin button's value in a specified
2482 * direction by a specified amount.
2485 gtk_spin_button_spin (GtkSpinButton *spin_button,
2486 GtkSpinType direction,
2489 GtkSpinButtonPrivate *priv;
2490 GtkAdjustment *adjustment;
2493 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2495 priv = spin_button->priv;
2497 adjustment = priv->adjustment;
2499 /* for compatibility with the 1.0.x version of this function */
2500 if (increment != 0 && increment != gtk_adjustment_get_step_increment (adjustment) &&
2501 (direction == GTK_SPIN_STEP_FORWARD ||
2502 direction == GTK_SPIN_STEP_BACKWARD))
2504 if (direction == GTK_SPIN_STEP_BACKWARD && increment > 0)
2505 increment = -increment;
2506 direction = GTK_SPIN_USER_DEFINED;
2511 case GTK_SPIN_STEP_FORWARD:
2513 gtk_spin_button_real_spin (spin_button, gtk_adjustment_get_step_increment (adjustment));
2516 case GTK_SPIN_STEP_BACKWARD:
2518 gtk_spin_button_real_spin (spin_button, -gtk_adjustment_get_step_increment (adjustment));
2521 case GTK_SPIN_PAGE_FORWARD:
2523 gtk_spin_button_real_spin (spin_button, gtk_adjustment_get_page_increment (adjustment));
2526 case GTK_SPIN_PAGE_BACKWARD:
2528 gtk_spin_button_real_spin (spin_button, -gtk_adjustment_get_page_increment (adjustment));
2533 diff = gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_lower (adjustment);
2535 gtk_spin_button_real_spin (spin_button, -diff);
2540 diff = gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_value (adjustment);
2542 gtk_spin_button_real_spin (spin_button, diff);
2545 case GTK_SPIN_USER_DEFINED:
2548 gtk_spin_button_real_spin (spin_button, increment);
2557 * gtk_spin_button_update:
2558 * @spin_button: a #GtkSpinButton
2560 * Manually force an update of the spin button.
2563 gtk_spin_button_update (GtkSpinButton *spin_button)
2565 GtkSpinButtonPrivate *priv;
2570 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2572 priv = spin_button->priv;
2575 g_signal_emit (spin_button, spinbutton_signals[INPUT], 0, &val, &return_val);
2576 if (return_val == FALSE)
2578 return_val = gtk_spin_button_default_input (spin_button, &val);
2579 error = (return_val == GTK_INPUT_ERROR);
2581 else if (return_val == GTK_INPUT_ERROR)
2584 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
2586 if (priv->update_policy == GTK_UPDATE_ALWAYS)
2588 if (val < gtk_adjustment_get_lower (priv->adjustment))
2589 val = gtk_adjustment_get_lower (priv->adjustment);
2590 else if (val > gtk_adjustment_get_upper (priv->adjustment))
2591 val = gtk_adjustment_get_upper (priv->adjustment);
2593 else if ((priv->update_policy == GTK_UPDATE_IF_VALID) &&
2595 val < gtk_adjustment_get_lower (priv->adjustment) ||
2596 val > gtk_adjustment_get_upper (priv->adjustment)))
2598 gtk_spin_button_value_changed (priv->adjustment, spin_button);
2602 if (priv->snap_to_ticks)
2603 gtk_spin_button_snap (spin_button, val);
2605 gtk_spin_button_set_value (spin_button, val);
2609 _gtk_spin_button_get_panels (GtkSpinButton *spin_button,
2610 GdkWindow **down_panel,
2611 GdkWindow **up_panel)
2613 if (down_panel != NULL)
2614 *down_panel = spin_button->priv->down_panel;
2616 if (up_panel != NULL)
2617 *up_panel = spin_button->priv->up_panel;