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 "gtkmainprivate.h"
42 #include "gtkmarshalers.h"
43 #include "gtksettings.h"
44 #include "gtkprivate.h"
46 #include "gtktypebuiltins.h"
48 #define MIN_SPIN_BUTTON_WIDTH 30
49 #define MAX_TIMER_CALLS 5
52 #define MIN_ARROW_WIDTH 6
56 * SECTION:gtkspinbutton
57 * @Title: GtkSpinButton
58 * @Short_description: Retrieve an integer or floating-point number from
60 * @See_also: #GtkEntry
62 * A #GtkSpinButton is an ideal way to allow the user to set the value of
63 * some attribute. Rather than having to directly type a number into a
64 * #GtkEntry, GtkSpinButton allows the user to click on one of two arrows
65 * to increment or decrement the displayed value. A value can still be
66 * typed in, with the bonus that it can be checked to ensure it is in a
69 * The main properties of a GtkSpinButton are through an adjustment.
70 * See the #GtkAdjustment section for more details about an adjustment's
74 * <title>Using a GtkSpinButton to get an integer</title>
76 * /* Provides a function to retrieve an integer value from a
77 * * GtkSpinButton and creates a spin button to model percentage
82 * grab_int_value (GtkSpinButton *button,
85 * return gtk_spin_button_get_value_as_int (button);
89 * create_integer_spin_button (void)
92 * GtkWidget *window, *button;
93 * GtkAdjustment *adjustment;
95 * adjustment = gtk_adjustment_new (50.0, 0.0, 100.0, 1.0, 5.0, 0.0);
97 * window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
98 * gtk_container_set_border_width (GTK_CONTAINER (window), 5);
100 * /* creates the spinbutton, with no decimal places */
101 * button = gtk_spin_button_new (adjustment, 1.0, 0);
102 * gtk_container_add (GTK_CONTAINER (window), button);
104 * gtk_widget_show_all (window);
110 * <title>Using a GtkSpinButton to get a floating point value</title>
112 * /* Provides a function to retrieve a floating point value from a
113 * * GtkSpinButton, and creates a high precision spin button.
117 * grab_float_value (GtkSpinButton *button,
118 * gpointer user_data)
120 * return gtk_spin_button_get_value (button);
124 * create_floating_spin_button (void)
126 * GtkWidget *window, *button;
127 * GtkAdjustment *adjustment;
129 * adjustment = gtk_adjustment_new (2.500, 0.0, 5.0, 0.001, 0.1, 0.0);
131 * window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
132 * gtk_container_set_border_width (GTK_CONTAINER (window), 5);
134 * /* creates the spinbutton, with three decimal places */
135 * button = gtk_spin_button_new (adjustment, 0.001, 3);
136 * gtk_container_add (GTK_CONTAINER (window), button);
138 * gtk_widget_show_all (window);
144 struct _GtkSpinButtonPrivate
146 GtkSpinButtonUpdatePolicy update_policy;
147 GtkAdjustment *adjustment;
157 guint click_child : 2; /* valid: GTK_ARROW_UP=0, GTK_ARROW_DOWN=1 or 2=NONE/BOTH */
160 guint need_timer : 1;
162 guint snap_to_ticks : 1;
163 guint timer_calls : 3;
190 static void gtk_spin_button_editable_init (GtkEditableInterface *iface);
191 static void gtk_spin_button_finalize (GObject *object);
192 static void gtk_spin_button_set_property (GObject *object,
196 static void gtk_spin_button_get_property (GObject *object,
200 static void gtk_spin_button_destroy (GtkWidget *widget);
201 static void gtk_spin_button_map (GtkWidget *widget);
202 static void gtk_spin_button_unmap (GtkWidget *widget);
203 static void gtk_spin_button_realize (GtkWidget *widget);
204 static void gtk_spin_button_unrealize (GtkWidget *widget);
205 static void gtk_spin_button_get_preferred_width (GtkWidget *widget,
209 static void gtk_spin_button_size_allocate (GtkWidget *widget,
210 GtkAllocation *allocation);
211 static gint gtk_spin_button_draw (GtkWidget *widget,
213 static gint gtk_spin_button_button_press (GtkWidget *widget,
214 GdkEventButton *event);
215 static gint gtk_spin_button_button_release (GtkWidget *widget,
216 GdkEventButton *event);
217 static gint gtk_spin_button_motion_notify (GtkWidget *widget,
218 GdkEventMotion *event);
219 static gint gtk_spin_button_enter_notify (GtkWidget *widget,
220 GdkEventCrossing *event);
221 static gint gtk_spin_button_leave_notify (GtkWidget *widget,
222 GdkEventCrossing *event);
223 static gint gtk_spin_button_focus_out (GtkWidget *widget,
224 GdkEventFocus *event);
225 static void gtk_spin_button_grab_notify (GtkWidget *widget,
226 gboolean was_grabbed);
227 static void gtk_spin_button_state_flags_changed (GtkWidget *widget,
228 GtkStateFlags previous_state);
229 static void gtk_spin_button_style_updated (GtkWidget *widget);
230 static void gtk_spin_button_draw_arrow (GtkSpinButton *spin_button,
231 GtkStyleContext *context,
233 GtkArrowType arrow_type);
234 static gboolean gtk_spin_button_timer (GtkSpinButton *spin_button);
235 static void gtk_spin_button_stop_spinning (GtkSpinButton *spin);
236 static void gtk_spin_button_value_changed (GtkAdjustment *adjustment,
237 GtkSpinButton *spin_button);
238 static gint gtk_spin_button_key_release (GtkWidget *widget,
240 static gint gtk_spin_button_scroll (GtkWidget *widget,
241 GdkEventScroll *event);
242 static void gtk_spin_button_activate (GtkEntry *entry);
243 static void gtk_spin_button_get_text_area_size (GtkEntry *entry,
248 static void gtk_spin_button_snap (GtkSpinButton *spin_button,
250 static void gtk_spin_button_insert_text (GtkEditable *editable,
251 const gchar *new_text,
252 gint new_text_length,
254 static void gtk_spin_button_real_spin (GtkSpinButton *spin_button,
256 static void gtk_spin_button_real_change_value (GtkSpinButton *spin,
257 GtkScrollType scroll);
259 static gint gtk_spin_button_default_input (GtkSpinButton *spin_button,
261 static gint gtk_spin_button_default_output (GtkSpinButton *spin_button);
263 static gint spin_button_get_arrow_size (GtkSpinButton *spin_button);
265 static guint spinbutton_signals[LAST_SIGNAL] = {0};
269 G_DEFINE_TYPE_WITH_CODE (GtkSpinButton, gtk_spin_button, GTK_TYPE_ENTRY,
270 G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE,
271 gtk_spin_button_editable_init))
273 #define add_spin_binding(binding_set, keyval, mask, scroll) \
274 gtk_binding_entry_add_signal (binding_set, keyval, mask, \
276 GTK_TYPE_SCROLL_TYPE, scroll)
279 gtk_spin_button_class_init (GtkSpinButtonClass *class)
281 GObjectClass *gobject_class = G_OBJECT_CLASS (class);
282 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
283 GtkEntryClass *entry_class = GTK_ENTRY_CLASS (class);
284 GtkBindingSet *binding_set;
286 gobject_class->finalize = gtk_spin_button_finalize;
287 gobject_class->set_property = gtk_spin_button_set_property;
288 gobject_class->get_property = gtk_spin_button_get_property;
290 widget_class->destroy = gtk_spin_button_destroy;
291 widget_class->map = gtk_spin_button_map;
292 widget_class->unmap = gtk_spin_button_unmap;
293 widget_class->realize = gtk_spin_button_realize;
294 widget_class->unrealize = gtk_spin_button_unrealize;
295 widget_class->get_preferred_width = gtk_spin_button_get_preferred_width;
296 widget_class->size_allocate = gtk_spin_button_size_allocate;
297 widget_class->draw = gtk_spin_button_draw;
298 widget_class->scroll_event = gtk_spin_button_scroll;
299 widget_class->button_press_event = gtk_spin_button_button_press;
300 widget_class->button_release_event = gtk_spin_button_button_release;
301 widget_class->motion_notify_event = gtk_spin_button_motion_notify;
302 widget_class->key_release_event = gtk_spin_button_key_release;
303 widget_class->enter_notify_event = gtk_spin_button_enter_notify;
304 widget_class->leave_notify_event = gtk_spin_button_leave_notify;
305 widget_class->focus_out_event = gtk_spin_button_focus_out;
306 widget_class->grab_notify = gtk_spin_button_grab_notify;
307 widget_class->state_flags_changed = gtk_spin_button_state_flags_changed;
308 widget_class->style_updated = gtk_spin_button_style_updated;
310 entry_class->activate = gtk_spin_button_activate;
311 entry_class->get_text_area_size = gtk_spin_button_get_text_area_size;
314 class->output = NULL;
315 class->change_value = gtk_spin_button_real_change_value;
317 g_object_class_install_property (gobject_class,
319 g_param_spec_object ("adjustment",
321 P_("The adjustment that holds the value of the spin button"),
323 GTK_PARAM_READWRITE));
325 g_object_class_install_property (gobject_class,
327 g_param_spec_double ("climb-rate",
329 P_("The acceleration rate when you hold down a button"),
333 GTK_PARAM_READWRITE));
335 g_object_class_install_property (gobject_class,
337 g_param_spec_uint ("digits",
339 P_("The number of decimal places to display"),
343 GTK_PARAM_READWRITE));
345 g_object_class_install_property (gobject_class,
347 g_param_spec_boolean ("snap-to-ticks",
349 P_("Whether erroneous values are automatically changed to a spin button's nearest step increment"),
351 GTK_PARAM_READWRITE));
353 g_object_class_install_property (gobject_class,
355 g_param_spec_boolean ("numeric",
357 P_("Whether non-numeric characters should be ignored"),
359 GTK_PARAM_READWRITE));
361 g_object_class_install_property (gobject_class,
363 g_param_spec_boolean ("wrap",
365 P_("Whether a spin button should wrap upon reaching its limits"),
367 GTK_PARAM_READWRITE));
369 g_object_class_install_property (gobject_class,
371 g_param_spec_enum ("update-policy",
373 P_("Whether the spin button should update always, or only when the value is legal"),
374 GTK_TYPE_SPIN_BUTTON_UPDATE_POLICY,
376 GTK_PARAM_READWRITE));
378 g_object_class_install_property (gobject_class,
380 g_param_spec_double ("value",
382 P_("Reads the current value, or sets a new value"),
386 GTK_PARAM_READWRITE));
388 gtk_widget_class_install_style_property_parser (widget_class,
389 g_param_spec_enum ("shadow-type",
391 P_("Style of bevel around the spin button"),
392 GTK_TYPE_SHADOW_TYPE,
395 gtk_rc_property_parse_enum);
398 * GtkSpinButton::input:
399 * @spin_button: the object on which the signal was emitted
400 * @new_value: (out) (type double): return location for the new value
402 * The ::input signal can be used to influence the conversion of
403 * the users input into a double value. The signal handler is
404 * expected to use gtk_entry_get_text() to retrieve the text of
405 * the entry and set @new_value to the new value.
407 * The default conversion uses g_strtod().
409 * Returns: %TRUE for a successful conversion, %FALSE if the input
410 * was not handled, and %GTK_INPUT_ERROR if the conversion failed.
412 spinbutton_signals[INPUT] =
413 g_signal_new (I_("input"),
414 G_TYPE_FROM_CLASS (gobject_class),
416 G_STRUCT_OFFSET (GtkSpinButtonClass, input),
418 _gtk_marshal_INT__POINTER,
423 * GtkSpinButton::output:
424 * @spin_button: the object which received the signal
426 * The ::output signal can be used to change to formatting
427 * of the value that is displayed in the spin buttons entry.
429 * /* show leading zeros */
431 * on_output (GtkSpinButton *spin,
434 * GtkAdjustment *adjustment;
438 * adjustment = gtk_spin_button_get_adjustment (spin);
439 * value = (int)gtk_adjustment_get_value (adjustment);
440 * text = g_strdup_printf ("%02d", value);
441 * gtk_entry_set_text (GTK_ENTRY (spin), text);
448 * Returns: %TRUE if the value has been displayed
450 spinbutton_signals[OUTPUT] =
451 g_signal_new (I_("output"),
452 G_TYPE_FROM_CLASS (gobject_class),
454 G_STRUCT_OFFSET (GtkSpinButtonClass, output),
455 _gtk_boolean_handled_accumulator, NULL,
456 _gtk_marshal_BOOLEAN__VOID,
459 spinbutton_signals[VALUE_CHANGED] =
460 g_signal_new (I_("value-changed"),
461 G_TYPE_FROM_CLASS (gobject_class),
463 G_STRUCT_OFFSET (GtkSpinButtonClass, value_changed),
465 _gtk_marshal_VOID__VOID,
469 * GtkSpinButton::wrapped:
470 * @spinbutton: the object which received the signal
472 * The wrapped signal is emitted right after the spinbutton wraps
473 * from its maximum to minimum value or vice-versa.
477 spinbutton_signals[WRAPPED] =
478 g_signal_new (I_("wrapped"),
479 G_TYPE_FROM_CLASS (gobject_class),
481 G_STRUCT_OFFSET (GtkSpinButtonClass, wrapped),
483 _gtk_marshal_VOID__VOID,
487 spinbutton_signals[CHANGE_VALUE] =
488 g_signal_new (I_("change-value"),
489 G_TYPE_FROM_CLASS (gobject_class),
490 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
491 G_STRUCT_OFFSET (GtkSpinButtonClass, change_value),
493 _gtk_marshal_VOID__ENUM,
495 GTK_TYPE_SCROLL_TYPE);
497 binding_set = gtk_binding_set_by_class (class);
499 add_spin_binding (binding_set, GDK_KEY_Up, 0, GTK_SCROLL_STEP_UP);
500 add_spin_binding (binding_set, GDK_KEY_KP_Up, 0, GTK_SCROLL_STEP_UP);
501 add_spin_binding (binding_set, GDK_KEY_Down, 0, GTK_SCROLL_STEP_DOWN);
502 add_spin_binding (binding_set, GDK_KEY_KP_Down, 0, GTK_SCROLL_STEP_DOWN);
503 add_spin_binding (binding_set, GDK_KEY_Page_Up, 0, GTK_SCROLL_PAGE_UP);
504 add_spin_binding (binding_set, GDK_KEY_Page_Down, 0, GTK_SCROLL_PAGE_DOWN);
505 add_spin_binding (binding_set, GDK_KEY_Page_Up, GDK_CONTROL_MASK, GTK_SCROLL_END);
506 add_spin_binding (binding_set, GDK_KEY_Page_Down, GDK_CONTROL_MASK, GTK_SCROLL_START);
508 g_type_class_add_private (class, sizeof (GtkSpinButtonPrivate));
512 gtk_spin_button_editable_init (GtkEditableInterface *iface)
514 iface->insert_text = gtk_spin_button_insert_text;
518 gtk_spin_button_set_property (GObject *object,
523 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (object);
524 GtkSpinButtonPrivate *priv = spin_button->priv;
528 GtkAdjustment *adjustment;
530 case PROP_ADJUSTMENT:
531 adjustment = GTK_ADJUSTMENT (g_value_get_object (value));
533 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
534 gtk_spin_button_set_adjustment (spin_button, adjustment);
536 case PROP_CLIMB_RATE:
537 gtk_spin_button_configure (spin_button,
539 g_value_get_double (value),
543 gtk_spin_button_configure (spin_button,
546 g_value_get_uint (value));
548 case PROP_SNAP_TO_TICKS:
549 gtk_spin_button_set_snap_to_ticks (spin_button, g_value_get_boolean (value));
552 gtk_spin_button_set_numeric (spin_button, g_value_get_boolean (value));
555 gtk_spin_button_set_wrap (spin_button, g_value_get_boolean (value));
557 case PROP_UPDATE_POLICY:
558 gtk_spin_button_set_update_policy (spin_button, g_value_get_enum (value));
561 gtk_spin_button_set_value (spin_button, g_value_get_double (value));
564 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
570 gtk_spin_button_get_property (GObject *object,
575 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (object);
576 GtkSpinButtonPrivate *priv = spin_button->priv;
580 case PROP_ADJUSTMENT:
581 g_value_set_object (value, priv->adjustment);
583 case PROP_CLIMB_RATE:
584 g_value_set_double (value, priv->climb_rate);
587 g_value_set_uint (value, priv->digits);
589 case PROP_SNAP_TO_TICKS:
590 g_value_set_boolean (value, priv->snap_to_ticks);
593 g_value_set_boolean (value, priv->numeric);
596 g_value_set_boolean (value, priv->wrap);
598 case PROP_UPDATE_POLICY:
599 g_value_set_enum (value, priv->update_policy);
602 g_value_set_double (value, gtk_adjustment_get_value (priv->adjustment));
605 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
611 gtk_spin_button_init (GtkSpinButton *spin_button)
613 GtkSpinButtonPrivate *priv;
614 GtkStyleContext *context;
616 spin_button->priv = G_TYPE_INSTANCE_GET_PRIVATE (spin_button,
617 GTK_TYPE_SPIN_BUTTON,
618 GtkSpinButtonPrivate);
619 priv = spin_button->priv;
621 priv->adjustment = NULL;
624 priv->climb_rate = 0.0;
625 priv->timer_step = 0.0;
626 priv->update_policy = GTK_UPDATE_ALWAYS;
627 priv->in_child = NO_ARROW;
628 priv->click_child = NO_ARROW;
630 priv->need_timer = FALSE;
631 priv->timer_calls = 0;
633 priv->numeric = FALSE;
635 priv->snap_to_ticks = FALSE;
637 gtk_spin_button_set_adjustment (spin_button,
638 gtk_adjustment_new (0, 0, 0, 0, 0, 0));
640 context = gtk_widget_get_style_context (GTK_WIDGET (spin_button));
641 gtk_style_context_add_class (context, GTK_STYLE_CLASS_SPINBUTTON);
645 gtk_spin_button_finalize (GObject *object)
647 gtk_spin_button_set_adjustment (GTK_SPIN_BUTTON (object), NULL);
649 G_OBJECT_CLASS (gtk_spin_button_parent_class)->finalize (object);
653 gtk_spin_button_destroy (GtkWidget *widget)
655 gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (widget));
657 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->destroy (widget);
661 gtk_spin_button_map (GtkWidget *widget)
663 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget);
664 GtkSpinButtonPrivate *priv = spin_button->priv;
666 if (gtk_widget_get_realized (widget) && !gtk_widget_get_mapped (widget))
668 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->map (widget);
669 gdk_window_show (priv->panel);
674 gtk_spin_button_unmap (GtkWidget *widget)
676 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget);
677 GtkSpinButtonPrivate *priv = spin_button->priv;
679 if (gtk_widget_get_mapped (widget))
681 gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (widget));
683 gdk_window_hide (priv->panel);
684 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->unmap (widget);
689 gtk_spin_button_realize (GtkWidget *widget)
691 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget);
692 GtkSpinButtonPrivate *priv = spin_button->priv;
693 GtkStyleContext *context;
695 GtkAllocation allocation;
696 GtkRequisition requisition;
697 GdkWindowAttr attributes;
698 gint attributes_mask;
703 arrow_size = spin_button_get_arrow_size (spin_button);
705 gtk_widget_get_preferred_size (widget, &requisition, NULL);
706 gtk_widget_get_allocation (widget, &allocation);
708 gtk_widget_set_events (widget, gtk_widget_get_events (widget) |
709 GDK_KEY_RELEASE_MASK);
710 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->realize (widget);
712 attributes.window_type = GDK_WINDOW_CHILD;
713 attributes.wclass = GDK_INPUT_ONLY;
714 attributes.visual = gtk_widget_get_visual (widget);
715 attributes.event_mask = gtk_widget_get_events (widget);
716 attributes.event_mask |= GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK
717 | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_ENTER_NOTIFY_MASK
718 | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK;
720 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
722 state = gtk_widget_get_state_flags (widget);
723 context = gtk_widget_get_style_context (widget);
724 gtk_style_context_get_padding (context, state, &padding);
726 attributes.x = allocation.x + allocation.width - arrow_size - (padding.left + padding.right);
727 attributes.y = allocation.y + (allocation.height - requisition.height) / 2;
728 attributes.width = arrow_size + padding.left + padding.right;
729 attributes.height = requisition.height;
731 priv->panel = gdk_window_new (gtk_widget_get_window (widget),
732 &attributes, attributes_mask);
733 gdk_window_set_user_data (priv->panel, widget);
736 g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val);
737 if (return_val == FALSE)
738 gtk_spin_button_default_output (spin_button);
740 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
744 gtk_spin_button_unrealize (GtkWidget *widget)
746 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
747 GtkSpinButtonPrivate *priv = spin->priv;
749 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->unrealize (widget);
753 gdk_window_set_user_data (priv->panel, NULL);
754 gdk_window_destroy (priv->panel);
760 compute_double_length (double val, int digits)
766 if (fabs (val) > 1.0)
767 a = floor (log10 (fabs (val))) + 1;
779 return a + digits + extra;
783 gtk_spin_button_get_preferred_width (GtkWidget *widget,
787 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget);
788 GtkSpinButtonPrivate *priv = spin_button->priv;
789 GtkEntry *entry = GTK_ENTRY (widget);
790 GtkStyleContext *style_context;
794 style_context = gtk_widget_get_style_context (widget);
796 arrow_size = spin_button_get_arrow_size (spin_button);
798 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->get_preferred_width (widget, minimum, natural);
800 if (gtk_entry_get_width_chars (entry) < 0)
802 PangoContext *context;
803 const PangoFontDescription *font_desc;
804 PangoFontMetrics *metrics;
810 gboolean interior_focus;
812 gint xborder, yborder;
813 GtkBorder inner_border;
815 gtk_widget_style_get (widget,
816 "interior-focus", &interior_focus,
817 "focus-line-width", &focus_width,
820 font_desc = gtk_style_context_get_font (style_context, 0);
822 context = gtk_widget_get_pango_context (widget);
823 metrics = pango_context_get_metrics (context, font_desc,
824 pango_context_get_language (context));
826 digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
827 digit_width = PANGO_SCALE *
828 ((digit_width + PANGO_SCALE - 1) / PANGO_SCALE);
830 pango_font_metrics_unref (metrics);
832 /* Get max of MIN_SPIN_BUTTON_WIDTH, size of upper, size of lower */
833 width = MIN_SPIN_BUTTON_WIDTH;
834 max_string_len = MAX (10, compute_double_length (1e9 * gtk_adjustment_get_step_increment (priv->adjustment),
837 string_len = compute_double_length (gtk_adjustment_get_upper (priv->adjustment),
839 w = PANGO_PIXELS (MIN (string_len, max_string_len) * digit_width);
840 width = MAX (width, w);
841 string_len = compute_double_length (gtk_adjustment_get_lower (priv->adjustment), priv->digits);
842 w = PANGO_PIXELS (MIN (string_len, max_string_len) * digit_width);
843 width = MAX (width, w);
845 _gtk_entry_get_borders (entry, &xborder, &yborder);
846 _gtk_entry_effective_inner_border (entry, &inner_border);
848 width += xborder * 2 + inner_border.left + inner_border.right;
854 gtk_style_context_get_padding (style_context,
855 gtk_widget_get_state_flags (widget),
858 *minimum += arrow_size + padding.left + padding.right;
859 *natural += arrow_size + padding.left + padding.right;
863 gtk_spin_button_size_allocate (GtkWidget *widget,
864 GtkAllocation *allocation)
866 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
867 GtkSpinButtonPrivate *priv = spin->priv;
868 GtkAllocation panel_allocation;
869 GtkRequisition requisition;
870 GtkStyleContext *context;
876 arrow_size = spin_button_get_arrow_size (spin);
877 context = gtk_widget_get_style_context (widget);
878 state = gtk_widget_get_state_flags (widget);
880 gtk_style_context_get_padding (context, state, &padding);
881 panel_width = arrow_size + padding.left + padding.right;
883 gtk_widget_get_preferred_size (widget, &requisition, NULL);
885 gtk_widget_set_allocation (widget, allocation);
887 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
888 panel_allocation.x = allocation->x;
890 panel_allocation.x = allocation->x + allocation->width - panel_width;
892 panel_allocation.width = panel_width;
893 panel_allocation.height = MIN (requisition.height, allocation->height);
895 panel_allocation.y = allocation->y +
896 (allocation->height - requisition.height) / 2;
898 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->size_allocate (widget, allocation);
900 if (gtk_widget_get_realized (widget))
902 gdk_window_move_resize (priv->panel,
905 panel_allocation.width,
906 panel_allocation.height);
909 gtk_widget_queue_draw (GTK_WIDGET (spin));
913 gtk_spin_button_draw (GtkWidget *widget,
916 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
917 GtkSpinButtonPrivate *priv = spin->priv;
918 GtkStyleContext *context;
919 GtkStateFlags state = 0;
922 is_rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
923 context = gtk_widget_get_style_context (widget);
924 gtk_style_context_save (context);
926 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->draw (widget, cr);
928 gtk_style_context_restore (context);
931 state = gtk_widget_get_state_flags (widget);
933 if (gtk_widget_has_focus (widget))
934 state |= GTK_STATE_FLAG_FOCUSED;
936 gtk_style_context_save (context);
937 gtk_style_context_set_state (context, state);
938 gtk_style_context_remove_class (context, GTK_STYLE_CLASS_ENTRY);
941 gtk_style_context_set_junction_sides (context, GTK_JUNCTION_RIGHT);
943 gtk_style_context_set_junction_sides (context, GTK_JUNCTION_LEFT);
945 gtk_cairo_transform_to_window (cr, widget, priv->panel);
947 if (gtk_entry_get_has_frame (GTK_ENTRY (widget)))
948 gtk_render_background (context, cr, 0, 0,
949 gdk_window_get_width (priv->panel),
950 gdk_window_get_height (priv->panel));
952 gtk_spin_button_draw_arrow (spin, context, cr, GTK_ARROW_UP);
953 gtk_spin_button_draw_arrow (spin, context, cr, GTK_ARROW_DOWN);
955 gtk_style_context_restore (context);
962 spin_button_at_limit (GtkSpinButton *spin_button,
965 GtkSpinButtonPrivate *priv = spin_button->priv;
966 GtkArrowType effective_arrow;
971 if (gtk_adjustment_get_step_increment (priv->adjustment) > 0)
972 effective_arrow = arrow;
974 effective_arrow = arrow == GTK_ARROW_UP ? GTK_ARROW_DOWN : GTK_ARROW_UP;
976 if (effective_arrow == GTK_ARROW_UP &&
977 (gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment) <= EPSILON))
980 if (effective_arrow == GTK_ARROW_DOWN &&
981 (gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment) <= EPSILON))
988 gtk_spin_button_draw_arrow (GtkSpinButton *spin_button,
989 GtkStyleContext *context,
991 GtkArrowType arrow_type)
993 GtkSpinButtonPrivate *priv;
994 GtkJunctionSides junction;
1006 g_return_if_fail (arrow_type == GTK_ARROW_UP || arrow_type == GTK_ARROW_DOWN);
1008 gtk_style_context_save (context);
1009 gtk_style_context_add_class (context, GTK_STYLE_CLASS_BUTTON);
1011 priv = spin_button->priv;
1012 widget = GTK_WIDGET (spin_button);
1013 junction = gtk_style_context_get_junction_sides (context);
1015 panel_height = gdk_window_get_height (priv->panel);
1017 if (arrow_type == GTK_ARROW_UP)
1022 height = panel_height / 2;
1024 junction |= GTK_JUNCTION_BOTTOM;
1029 y = panel_height / 2;
1031 height = (panel_height + 1) / 2;
1033 junction |= GTK_JUNCTION_TOP;
1036 if (spin_button_at_limit (spin_button, arrow_type))
1037 state = GTK_STATE_FLAG_INSENSITIVE;
1040 if (priv->click_child == arrow_type)
1041 state = GTK_STATE_ACTIVE;
1044 if (priv->in_child == arrow_type &&
1045 priv->click_child == NO_ARROW)
1046 state = GTK_STATE_FLAG_PRELIGHT;
1048 state = gtk_widget_get_state_flags (widget);
1052 gtk_style_context_get_padding (context, state, &padding);
1053 gtk_style_context_set_junction_sides (context, junction);
1054 gtk_style_context_set_state (context, state);
1056 width = spin_button_get_arrow_size (spin_button) + padding.left + padding.right;
1058 gtk_render_background (context, cr, x, y, width, height);
1059 gtk_render_frame (context, cr, x, y, width, height);
1061 height = panel_height;
1063 if (arrow_type == GTK_ARROW_DOWN)
1066 height = height - y - 2;
1071 height = height / 2 - 2;
1076 if (widget && gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
1082 w -= w % 2 - 1; /* force odd */
1085 x += (width - w) / 2;
1086 y += (height - h) / 2;
1091 gtk_render_arrow (context, cr,
1092 angle, x, y, width);
1094 gtk_style_context_restore (context);
1098 gtk_spin_button_enter_notify (GtkWidget *widget,
1099 GdkEventCrossing *event)
1101 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1102 GtkSpinButtonPrivate *priv = spin->priv;
1103 GtkRequisition requisition;
1105 if (event->window == priv->panel)
1111 device = gdk_event_get_device ((GdkEvent *) event);
1112 gdk_window_get_device_position (priv->panel, device, &x, &y, NULL);
1114 gtk_widget_get_preferred_size (widget, &requisition, NULL);
1116 if (y <= requisition.height / 2)
1117 priv->in_child = GTK_ARROW_UP;
1119 priv->in_child = GTK_ARROW_DOWN;
1121 gtk_widget_queue_draw (GTK_WIDGET (spin));
1124 if (GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->enter_notify_event)
1125 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->enter_notify_event (widget, event);
1131 gtk_spin_button_leave_notify (GtkWidget *widget,
1132 GdkEventCrossing *event)
1134 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1135 GtkSpinButtonPrivate *priv = spin->priv;
1137 priv->in_child = NO_ARROW;
1138 gtk_widget_queue_draw (GTK_WIDGET (spin));
1140 if (GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->leave_notify_event)
1141 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->leave_notify_event (widget, event);
1147 gtk_spin_button_focus_out (GtkWidget *widget,
1148 GdkEventFocus *event)
1150 if (gtk_editable_get_editable (GTK_EDITABLE (widget)))
1151 gtk_spin_button_update (GTK_SPIN_BUTTON (widget));
1153 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->focus_out_event (widget, event);
1157 gtk_spin_button_grab_notify (GtkWidget *widget,
1158 gboolean was_grabbed)
1160 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1164 gtk_spin_button_stop_spinning (spin);
1165 gtk_widget_queue_draw (GTK_WIDGET (spin));
1170 gtk_spin_button_state_flags_changed (GtkWidget *widget,
1171 GtkStateFlags previous_state)
1173 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1175 if (!gtk_widget_is_sensitive (widget))
1177 gtk_spin_button_stop_spinning (spin);
1178 gtk_widget_queue_draw (GTK_WIDGET (spin));
1183 gtk_spin_button_style_updated (GtkWidget *widget)
1185 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1186 GtkSpinButtonPrivate *priv = spin->priv;
1188 if (gtk_widget_get_realized (widget))
1190 GtkStyleContext *context;
1192 context = gtk_widget_get_style_context (widget);
1193 gtk_style_context_set_background (context, priv->panel);
1196 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->style_updated (widget);
1201 gtk_spin_button_scroll (GtkWidget *widget,
1202 GdkEventScroll *event)
1204 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1205 GtkSpinButtonPrivate *priv = spin->priv;
1207 if (event->direction == GDK_SCROLL_UP)
1209 if (!gtk_widget_has_focus (widget))
1210 gtk_widget_grab_focus (widget);
1211 gtk_spin_button_real_spin (spin, gtk_adjustment_get_step_increment (priv->adjustment));
1213 else if (event->direction == GDK_SCROLL_DOWN)
1215 if (!gtk_widget_has_focus (widget))
1216 gtk_widget_grab_focus (widget);
1217 gtk_spin_button_real_spin (spin, -gtk_adjustment_get_step_increment (priv->adjustment));
1226 gtk_spin_button_stop_spinning (GtkSpinButton *spin)
1228 GtkSpinButtonPrivate *priv = spin->priv;
1232 g_source_remove (priv->timer);
1234 priv->timer_calls = 0;
1235 priv->need_timer = FALSE;
1240 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1241 priv->timer_calls = 0;
1243 priv->click_child = NO_ARROW;
1248 start_spinning (GtkSpinButton *spin,
1249 GtkArrowType click_child,
1252 GtkSpinButtonPrivate *priv;
1254 g_return_if_fail (click_child == GTK_ARROW_UP || click_child == GTK_ARROW_DOWN);
1258 priv->click_child = click_child;
1262 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (spin));
1265 g_object_get (settings, "gtk-timeout-initial", &timeout, NULL);
1267 priv->timer_step = step;
1268 priv->need_timer = TRUE;
1269 priv->timer = gdk_threads_add_timeout (timeout,
1270 (GSourceFunc) gtk_spin_button_timer,
1273 gtk_spin_button_real_spin (spin, click_child == GTK_ARROW_UP ? step : -step);
1275 gtk_widget_queue_draw (GTK_WIDGET (spin));
1279 gtk_spin_button_button_press (GtkWidget *widget,
1280 GdkEventButton *event)
1282 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1283 GtkSpinButtonPrivate *priv = spin->priv;
1287 if (event->window == priv->panel)
1289 GtkRequisition requisition;
1291 if (!gtk_widget_has_focus (widget))
1292 gtk_widget_grab_focus (widget);
1293 priv->button = event->button;
1295 if (gtk_editable_get_editable (GTK_EDITABLE (widget)))
1296 gtk_spin_button_update (spin);
1298 gtk_widget_get_preferred_size (widget, &requisition, NULL);
1300 if (event->y <= requisition.height / 2)
1302 if (event->button == 1)
1303 start_spinning (spin, GTK_ARROW_UP, gtk_adjustment_get_step_increment (priv->adjustment));
1304 else if (event->button == 2)
1305 start_spinning (spin, GTK_ARROW_UP, gtk_adjustment_get_page_increment (priv->adjustment));
1307 priv->click_child = GTK_ARROW_UP;
1311 if (event->button == 1)
1312 start_spinning (spin, GTK_ARROW_DOWN, gtk_adjustment_get_step_increment (priv->adjustment));
1313 else if (event->button == 2)
1314 start_spinning (spin, GTK_ARROW_DOWN, gtk_adjustment_get_page_increment (priv->adjustment));
1316 priv->click_child = GTK_ARROW_DOWN;
1321 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->button_press_event (widget, event);
1327 gtk_spin_button_button_release (GtkWidget *widget,
1328 GdkEventButton *event)
1330 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1331 GtkSpinButtonPrivate *priv = spin->priv;
1334 arrow_size = spin_button_get_arrow_size (spin);
1336 if (event->button == priv->button)
1338 int click_child = priv->click_child;
1340 gtk_spin_button_stop_spinning (spin);
1342 if (event->button == 3)
1344 GtkRequisition requisition;
1345 GtkStyleContext *context;
1346 GtkStateFlags state;
1349 gtk_widget_get_preferred_size (widget, &requisition, NULL);
1351 context = gtk_widget_get_style_context (widget);
1352 state = gtk_widget_get_state_flags (widget);
1353 gtk_style_context_get_padding (context, state, &padding);
1355 if (event->y >= 0 && event->x >= 0 &&
1356 event->y <= requisition.height &&
1357 event->x <= arrow_size + padding.left + padding.right)
1359 if (click_child == GTK_ARROW_UP &&
1360 event->y <= requisition.height / 2)
1364 diff = gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment);
1366 gtk_spin_button_real_spin (spin, diff);
1368 else if (click_child == GTK_ARROW_DOWN &&
1369 event->y > requisition.height / 2)
1373 diff = gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment);
1375 gtk_spin_button_real_spin (spin, -diff);
1379 gtk_widget_queue_draw (GTK_WIDGET (spin));
1384 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->button_release_event (widget, event);
1388 gtk_spin_button_motion_notify (GtkWidget *widget,
1389 GdkEventMotion *event)
1391 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1392 GtkSpinButtonPrivate *priv = spin->priv;
1397 if (event->window == priv->panel)
1399 GtkRequisition requisition;
1402 gdk_event_request_motions (event);
1404 gtk_widget_get_preferred_size (widget, &requisition, NULL);
1406 if (y <= requisition.height / 2 &&
1407 priv->in_child == GTK_ARROW_DOWN)
1409 priv->in_child = GTK_ARROW_UP;
1410 gtk_widget_queue_draw (GTK_WIDGET (spin));
1412 else if (y > requisition.height / 2 &&
1413 priv->in_child == GTK_ARROW_UP)
1415 priv->in_child = GTK_ARROW_DOWN;
1416 gtk_widget_queue_draw (GTK_WIDGET (spin));
1422 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->motion_notify_event (widget, event);
1426 gtk_spin_button_timer (GtkSpinButton *spin_button)
1428 GtkSpinButtonPrivate *priv = spin_button->priv;
1429 gboolean retval = FALSE;
1433 if (priv->click_child == GTK_ARROW_UP)
1434 gtk_spin_button_real_spin (spin_button, priv->timer_step);
1436 gtk_spin_button_real_spin (spin_button, -priv->timer_step);
1438 if (priv->need_timer)
1440 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (spin_button));
1443 g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL);
1445 priv->need_timer = FALSE;
1446 priv->timer = gdk_threads_add_timeout (timeout,
1447 (GSourceFunc) gtk_spin_button_timer,
1448 (gpointer) spin_button);
1452 if (priv->climb_rate > 0.0 && priv->timer_step
1453 < gtk_adjustment_get_page_increment (priv->adjustment))
1455 if (priv->timer_calls < MAX_TIMER_CALLS)
1456 priv->timer_calls++;
1459 priv->timer_calls = 0;
1460 priv->timer_step += priv->climb_rate;
1471 gtk_spin_button_value_changed (GtkAdjustment *adjustment,
1472 GtkSpinButton *spin_button)
1474 gboolean return_val;
1476 g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
1479 g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val);
1480 if (return_val == FALSE)
1481 gtk_spin_button_default_output (spin_button);
1483 g_signal_emit (spin_button, spinbutton_signals[VALUE_CHANGED], 0);
1485 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
1487 g_object_notify (G_OBJECT (spin_button), "value");
1491 gtk_spin_button_real_change_value (GtkSpinButton *spin,
1492 GtkScrollType scroll)
1494 GtkSpinButtonPrivate *priv = spin->priv;
1497 /* When the key binding is activated, there may be an outstanding
1498 * value, so we first have to commit what is currently written in
1499 * the spin buttons text entry. See #106574
1501 gtk_spin_button_update (spin);
1503 old_value = gtk_adjustment_get_value (priv->adjustment);
1505 /* We don't test whether the entry is editable, since
1506 * this key binding conceptually corresponds to changing
1507 * the value with the buttons using the mouse, which
1508 * we allow for non-editable spin buttons.
1512 case GTK_SCROLL_STEP_BACKWARD:
1513 case GTK_SCROLL_STEP_DOWN:
1514 case GTK_SCROLL_STEP_LEFT:
1515 gtk_spin_button_real_spin (spin, -priv->timer_step);
1517 if (priv->climb_rate > 0.0 && priv->timer_step
1518 < gtk_adjustment_get_page_increment (priv->adjustment))
1520 if (priv->timer_calls < MAX_TIMER_CALLS)
1521 priv->timer_calls++;
1524 priv->timer_calls = 0;
1525 priv->timer_step += priv->climb_rate;
1530 case GTK_SCROLL_STEP_FORWARD:
1531 case GTK_SCROLL_STEP_UP:
1532 case GTK_SCROLL_STEP_RIGHT:
1533 gtk_spin_button_real_spin (spin, priv->timer_step);
1535 if (priv->climb_rate > 0.0 && priv->timer_step
1536 < gtk_adjustment_get_page_increment (priv->adjustment))
1538 if (priv->timer_calls < MAX_TIMER_CALLS)
1539 priv->timer_calls++;
1542 priv->timer_calls = 0;
1543 priv->timer_step += priv->climb_rate;
1548 case GTK_SCROLL_PAGE_BACKWARD:
1549 case GTK_SCROLL_PAGE_DOWN:
1550 case GTK_SCROLL_PAGE_LEFT:
1551 gtk_spin_button_real_spin (spin, -gtk_adjustment_get_page_increment (priv->adjustment));
1554 case GTK_SCROLL_PAGE_FORWARD:
1555 case GTK_SCROLL_PAGE_UP:
1556 case GTK_SCROLL_PAGE_RIGHT:
1557 gtk_spin_button_real_spin (spin, gtk_adjustment_get_page_increment (priv->adjustment));
1560 case GTK_SCROLL_START:
1562 gdouble diff = gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment);
1564 gtk_spin_button_real_spin (spin, -diff);
1568 case GTK_SCROLL_END:
1570 gdouble diff = gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment);
1572 gtk_spin_button_real_spin (spin, diff);
1577 g_warning ("Invalid scroll type %d for GtkSpinButton::change-value", scroll);
1581 gtk_spin_button_update (spin);
1583 if (gtk_adjustment_get_value (priv->adjustment) == old_value)
1584 gtk_widget_error_bell (GTK_WIDGET (spin));
1588 gtk_spin_button_key_release (GtkWidget *widget,
1591 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1592 GtkSpinButtonPrivate *priv = spin->priv;
1594 /* We only get a release at the end of a key repeat run, so reset the timer_step */
1595 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1596 priv->timer_calls = 0;
1602 gtk_spin_button_snap (GtkSpinButton *spin_button,
1605 GtkSpinButtonPrivate *priv = spin_button->priv;
1609 inc = gtk_adjustment_get_step_increment (priv->adjustment);
1613 tmp = (val - gtk_adjustment_get_lower (priv->adjustment)) / inc;
1614 if (tmp - floor (tmp) < ceil (tmp) - tmp)
1615 val = gtk_adjustment_get_lower (priv->adjustment) + floor (tmp) * inc;
1617 val = gtk_adjustment_get_lower (priv->adjustment) + ceil (tmp) * inc;
1619 gtk_spin_button_set_value (spin_button, val);
1623 gtk_spin_button_activate (GtkEntry *entry)
1625 if (gtk_editable_get_editable (GTK_EDITABLE (entry)))
1626 gtk_spin_button_update (GTK_SPIN_BUTTON (entry));
1628 /* Chain up so that entry->activates_default is honored */
1629 GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->activate (entry);
1633 gtk_spin_button_get_text_area_size (GtkEntry *entry,
1639 GtkStyleContext *context;
1640 GtkStateFlags state;
1646 GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->get_text_area_size (entry, x, y, width, height);
1648 widget = GTK_WIDGET (entry);
1649 state = gtk_widget_get_state_flags (widget);
1650 context = gtk_widget_get_style_context (widget);
1651 gtk_style_context_get_padding (context, state, &padding);
1653 arrow_size = spin_button_get_arrow_size (GTK_SPIN_BUTTON (entry));
1654 panel_width = arrow_size + padding.left + padding.right;
1657 *width -= panel_width;
1659 if (gtk_widget_get_direction (GTK_WIDGET (entry)) == GTK_TEXT_DIR_RTL && x)
1664 gtk_spin_button_insert_text (GtkEditable *editable,
1665 const gchar *new_text,
1666 gint new_text_length,
1669 GtkEntry *entry = GTK_ENTRY (editable);
1670 GtkSpinButton *spin = GTK_SPIN_BUTTON (editable);
1671 GtkSpinButtonPrivate *priv = spin->priv;
1672 GtkEditableInterface *parent_editable_iface;
1674 parent_editable_iface = g_type_interface_peek (gtk_spin_button_parent_class,
1686 const gchar *entry_text;
1688 entry_length = gtk_entry_get_text_length (entry);
1689 entry_text = gtk_entry_get_text (entry);
1693 if (*(lc->negative_sign))
1694 neg_sign = *(lc->negative_sign);
1698 if (*(lc->positive_sign))
1699 pos_sign = *(lc->positive_sign);
1704 /* Workaround for bug caused by some Windows application messing
1705 * up the positive sign of the current locale, more specifically
1706 * HKEY_CURRENT_USER\Control Panel\International\sPositiveSign.
1707 * See bug #330743 and for instance
1708 * http://www.msnewsgroups.net/group/microsoft.public.dotnet.languages.csharp/topic36024.aspx
1710 * I don't know if the positive sign always gets bogusly set to
1711 * a digit when the above Registry value is corrupted as
1712 * described. (In my test case, it got set to "8", and in the
1713 * bug report above it presumably was set ot "0".) Probably it
1714 * might get set to almost anything? So how to distinguish a
1715 * bogus value from some correct one for some locale? That is
1716 * probably hard, but at least we should filter out the
1719 if (pos_sign >= '0' && pos_sign <= '9')
1723 for (sign=0, i=0; i<entry_length; i++)
1724 if ((entry_text[i] == neg_sign) ||
1725 (entry_text[i] == pos_sign))
1731 if (sign && !(*position))
1734 for (dotpos=-1, i=0; i<entry_length; i++)
1735 if (entry_text[i] == *(lc->decimal_point))
1741 if (dotpos > -1 && *position > dotpos &&
1742 (gint)priv->digits - entry_length
1743 + dotpos - new_text_length + 1 < 0)
1746 for (i = 0; i < new_text_length; i++)
1748 if (new_text[i] == neg_sign || new_text[i] == pos_sign)
1750 if (sign || (*position) || i)
1754 else if (new_text[i] == *(lc->decimal_point))
1756 if (!priv->digits || dotpos > -1 ||
1757 (new_text_length - 1 - i + entry_length
1758 - *position > (gint)priv->digits))
1760 dotpos = *position + i;
1762 else if (new_text[i] < 0x30 || new_text[i] > 0x39)
1767 parent_editable_iface->insert_text (editable, new_text,
1768 new_text_length, position);
1772 gtk_spin_button_real_spin (GtkSpinButton *spin_button,
1775 GtkSpinButtonPrivate *priv = spin_button->priv;
1776 GtkAdjustment *adjustment;
1777 gdouble new_value = 0.0;
1778 gboolean wrapped = FALSE;
1780 adjustment = priv->adjustment;
1782 new_value = gtk_adjustment_get_value (adjustment) + increment;
1788 if (fabs (gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_upper (adjustment)) < EPSILON)
1790 new_value = gtk_adjustment_get_lower (adjustment);
1793 else if (new_value > gtk_adjustment_get_upper (adjustment))
1794 new_value = gtk_adjustment_get_upper (adjustment);
1797 new_value = MIN (new_value, gtk_adjustment_get_upper (adjustment));
1799 else if (increment < 0)
1803 if (fabs (gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_lower (adjustment)) < EPSILON)
1805 new_value = gtk_adjustment_get_upper (adjustment);
1808 else if (new_value < gtk_adjustment_get_lower (adjustment))
1809 new_value = gtk_adjustment_get_lower (adjustment);
1812 new_value = MAX (new_value, gtk_adjustment_get_lower (adjustment));
1815 if (fabs (new_value - gtk_adjustment_get_value (adjustment)) > EPSILON)
1816 gtk_adjustment_set_value (adjustment, new_value);
1819 g_signal_emit (spin_button, spinbutton_signals[WRAPPED], 0);
1821 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
1825 gtk_spin_button_default_input (GtkSpinButton *spin_button,
1830 *new_val = g_strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &err);
1832 return GTK_INPUT_ERROR;
1838 gtk_spin_button_default_output (GtkSpinButton *spin_button)
1840 GtkSpinButtonPrivate *priv = spin_button->priv;
1842 gchar *buf = g_strdup_printf ("%0.*f", priv->digits, gtk_adjustment_get_value (priv->adjustment));
1844 if (strcmp (buf, gtk_entry_get_text (GTK_ENTRY (spin_button))))
1845 gtk_entry_set_text (GTK_ENTRY (spin_button), buf);
1851 /***********************************************************
1852 ***********************************************************
1853 *** Public interface ***
1854 ***********************************************************
1855 ***********************************************************/
1859 * gtk_spin_button_configure:
1860 * @spin_button: a #GtkSpinButton
1861 * @adjustment: (allow-none): a #GtkAdjustment
1862 * @climb_rate: the new climb rate
1863 * @digits: the number of decimal places to display in the spin button
1865 * Changes the properties of an existing spin button. The adjustment,
1866 * climb rate, and number of decimal places are all changed accordingly,
1867 * after this function call.
1870 gtk_spin_button_configure (GtkSpinButton *spin_button,
1871 GtkAdjustment *adjustment,
1875 GtkSpinButtonPrivate *priv;
1877 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
1879 priv = spin_button->priv;
1882 gtk_spin_button_set_adjustment (spin_button, adjustment);
1884 adjustment = priv->adjustment;
1886 g_object_freeze_notify (G_OBJECT (spin_button));
1887 if (priv->digits != digits)
1889 priv->digits = digits;
1890 g_object_notify (G_OBJECT (spin_button), "digits");
1893 if (priv->climb_rate != climb_rate)
1895 priv->climb_rate = climb_rate;
1896 g_object_notify (G_OBJECT (spin_button), "climb-rate");
1898 g_object_thaw_notify (G_OBJECT (spin_button));
1900 gtk_adjustment_value_changed (adjustment);
1904 * gtk_spin_button_new:
1905 * @adjustment: (allow-none): the #GtkAdjustment object that this spin
1906 * button should use, or %NULL
1907 * @climb_rate: specifies how much the spin button changes when an arrow
1909 * @digits: the number of decimal places to display
1911 * Creates a new #GtkSpinButton.
1913 * Returns: The new spin button as a #GtkWidget
1916 gtk_spin_button_new (GtkAdjustment *adjustment,
1920 GtkSpinButton *spin;
1923 g_return_val_if_fail (GTK_IS_ADJUSTMENT (adjustment), NULL);
1925 spin = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL);
1927 gtk_spin_button_configure (spin, adjustment, climb_rate, digits);
1929 return GTK_WIDGET (spin);
1933 * gtk_spin_button_new_with_range:
1934 * @min: Minimum allowable value
1935 * @max: Maximum allowable value
1936 * @step: Increment added or subtracted by spinning the widget
1938 * This is a convenience constructor that allows creation of a numeric
1939 * #GtkSpinButton without manually creating an adjustment. The value is
1940 * initially set to the minimum value and a page increment of 10 * @step
1941 * is the default. The precision of the spin button is equivalent to the
1942 * precision of @step.
1944 * Note that the way in which the precision is derived works best if @step
1945 * is a power of ten. If the resulting precision is not suitable for your
1946 * needs, use gtk_spin_button_set_digits() to correct it.
1948 * Return value: The new spin button as a #GtkWidget
1951 gtk_spin_button_new_with_range (gdouble min,
1955 GtkAdjustment *adjustment;
1956 GtkSpinButton *spin;
1959 g_return_val_if_fail (min <= max, NULL);
1960 g_return_val_if_fail (step != 0.0, NULL);
1962 spin = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL);
1964 adjustment = gtk_adjustment_new (min, min, max, step, 10 * step, 0);
1966 if (fabs (step) >= 1.0 || step == 0.0)
1969 digits = abs ((gint) floor (log10 (fabs (step))));
1970 if (digits > MAX_DIGITS)
1971 digits = MAX_DIGITS;
1974 gtk_spin_button_configure (spin, adjustment, step, digits);
1976 gtk_spin_button_set_numeric (spin, TRUE);
1978 return GTK_WIDGET (spin);
1981 /* Callback used when the spin button's adjustment changes.
1982 * We need to redraw the arrows when the adjustment's range
1983 * changes, and reevaluate our size request.
1986 adjustment_changed_cb (GtkAdjustment *adjustment, gpointer data)
1988 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (data);
1989 GtkSpinButtonPrivate *priv = spin_button->priv;
1991 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1992 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
1996 * gtk_spin_button_set_adjustment:
1997 * @spin_button: a #GtkSpinButton
1998 * @adjustment: a #GtkAdjustment to replace the existing adjustment
2000 * Replaces the #GtkAdjustment associated with @spin_button.
2003 gtk_spin_button_set_adjustment (GtkSpinButton *spin_button,
2004 GtkAdjustment *adjustment)
2006 GtkSpinButtonPrivate *priv;
2008 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2010 priv = spin_button->priv;
2012 if (priv->adjustment != adjustment)
2014 if (priv->adjustment)
2016 g_signal_handlers_disconnect_by_func (priv->adjustment,
2017 gtk_spin_button_value_changed,
2019 g_signal_handlers_disconnect_by_func (priv->adjustment,
2020 adjustment_changed_cb,
2022 g_object_unref (priv->adjustment);
2024 priv->adjustment = adjustment;
2027 g_object_ref_sink (adjustment);
2028 g_signal_connect (adjustment, "value-changed",
2029 G_CALLBACK (gtk_spin_button_value_changed),
2031 g_signal_connect (adjustment, "changed",
2032 G_CALLBACK (adjustment_changed_cb),
2034 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
2037 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
2040 g_object_notify (G_OBJECT (spin_button), "adjustment");
2044 * gtk_spin_button_get_adjustment:
2045 * @spin_button: a #GtkSpinButton
2047 * Get the adjustment associated with a #GtkSpinButton
2049 * Return value: (transfer none): the #GtkAdjustment of @spin_button
2052 gtk_spin_button_get_adjustment (GtkSpinButton *spin_button)
2054 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), NULL);
2056 return spin_button->priv->adjustment;
2060 * gtk_spin_button_set_digits:
2061 * @spin_button: a #GtkSpinButton
2062 * @digits: the number of digits after the decimal point to be displayed for the spin button's value
2064 * Set the precision to be displayed by @spin_button. Up to 20 digit precision
2068 gtk_spin_button_set_digits (GtkSpinButton *spin_button,
2071 GtkSpinButtonPrivate *priv;
2073 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2075 priv = spin_button->priv;
2077 if (priv->digits != digits)
2079 priv->digits = digits;
2080 gtk_spin_button_value_changed (priv->adjustment, spin_button);
2081 g_object_notify (G_OBJECT (spin_button), "digits");
2083 /* since lower/upper may have changed */
2084 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
2089 * gtk_spin_button_get_digits:
2090 * @spin_button: a #GtkSpinButton
2092 * Fetches the precision of @spin_button. See gtk_spin_button_set_digits().
2094 * Returns: the current precision
2097 gtk_spin_button_get_digits (GtkSpinButton *spin_button)
2099 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0);
2101 return spin_button->priv->digits;
2105 * gtk_spin_button_set_increments:
2106 * @spin_button: a #GtkSpinButton
2107 * @step: increment applied for a button 1 press.
2108 * @page: increment applied for a button 2 press.
2110 * Sets the step and page increments for spin_button. This affects how
2111 * quickly the value changes when the spin button's arrows are activated.
2114 gtk_spin_button_set_increments (GtkSpinButton *spin_button,
2118 GtkSpinButtonPrivate *priv;
2120 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2122 priv = spin_button->priv;
2124 gtk_adjustment_configure (priv->adjustment,
2125 gtk_adjustment_get_value (priv->adjustment),
2126 gtk_adjustment_get_lower (priv->adjustment),
2127 gtk_adjustment_get_upper (priv->adjustment),
2130 gtk_adjustment_get_page_size (priv->adjustment));
2134 * gtk_spin_button_get_increments:
2135 * @spin_button: a #GtkSpinButton
2136 * @step: (out) (allow-none): location to store step increment, or %NULL
2137 * @page: (out) (allow-none): location to store page increment, or %NULL
2139 * Gets the current step and page the increments used by @spin_button. See
2140 * gtk_spin_button_set_increments().
2143 gtk_spin_button_get_increments (GtkSpinButton *spin_button,
2147 GtkSpinButtonPrivate *priv;
2149 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2151 priv = spin_button->priv;
2154 *step = gtk_adjustment_get_step_increment (priv->adjustment);
2156 *page = gtk_adjustment_get_page_increment (priv->adjustment);
2160 * gtk_spin_button_set_range:
2161 * @spin_button: a #GtkSpinButton
2162 * @min: minimum allowable value
2163 * @max: maximum allowable value
2165 * Sets the minimum and maximum allowable values for @spin_button.
2168 gtk_spin_button_set_range (GtkSpinButton *spin_button,
2172 GtkAdjustment *adjustment;
2174 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2176 adjustment = spin_button->priv->adjustment;
2178 gtk_adjustment_configure (adjustment,
2179 CLAMP (gtk_adjustment_get_value (adjustment), min, max),
2182 gtk_adjustment_get_step_increment (adjustment),
2183 gtk_adjustment_get_page_increment (adjustment),
2184 gtk_adjustment_get_page_size (adjustment));
2188 * gtk_spin_button_get_range:
2189 * @spin_button: a #GtkSpinButton
2190 * @min: (out) (allow-none): location to store minimum allowed value, or %NULL
2191 * @max: (out) (allow-none): location to store maximum allowed value, or %NULL
2193 * Gets the range allowed for @spin_button.
2194 * See gtk_spin_button_set_range().
2197 gtk_spin_button_get_range (GtkSpinButton *spin_button,
2201 GtkSpinButtonPrivate *priv;
2203 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2205 priv = spin_button->priv;
2208 *min = gtk_adjustment_get_lower (priv->adjustment);
2210 *max = gtk_adjustment_get_upper (priv->adjustment);
2214 * gtk_spin_button_get_value:
2215 * @spin_button: a #GtkSpinButton
2217 * Get the value in the @spin_button.
2219 * Return value: the value of @spin_button
2222 gtk_spin_button_get_value (GtkSpinButton *spin_button)
2224 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0.0);
2226 return gtk_adjustment_get_value (spin_button->priv->adjustment);
2230 * gtk_spin_button_get_value_as_int:
2231 * @spin_button: a #GtkSpinButton
2233 * Get the value @spin_button represented as an integer.
2235 * Return value: the value of @spin_button
2238 gtk_spin_button_get_value_as_int (GtkSpinButton *spin_button)
2240 GtkSpinButtonPrivate *priv;
2243 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0);
2245 priv = spin_button->priv;
2247 val = gtk_adjustment_get_value (priv->adjustment);
2248 if (val - floor (val) < ceil (val) - val)
2255 * gtk_spin_button_set_value:
2256 * @spin_button: a #GtkSpinButton
2257 * @value: the new value
2259 * Sets the value of @spin_button.
2262 gtk_spin_button_set_value (GtkSpinButton *spin_button,
2265 GtkSpinButtonPrivate *priv;
2267 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2269 priv = spin_button->priv;
2271 if (fabs (value - gtk_adjustment_get_value (priv->adjustment)) > EPSILON)
2272 gtk_adjustment_set_value (priv->adjustment, value);
2275 gint return_val = FALSE;
2276 g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val);
2277 if (return_val == FALSE)
2278 gtk_spin_button_default_output (spin_button);
2283 * gtk_spin_button_set_update_policy:
2284 * @spin_button: a #GtkSpinButton
2285 * @policy: a #GtkSpinButtonUpdatePolicy value
2287 * Sets the update behavior of a spin button.
2288 * This determines wether the spin button is always updated
2289 * or only when a valid value is set.
2292 gtk_spin_button_set_update_policy (GtkSpinButton *spin_button,
2293 GtkSpinButtonUpdatePolicy policy)
2295 GtkSpinButtonPrivate *priv;
2297 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2299 priv = spin_button->priv;
2301 if (priv->update_policy != policy)
2303 priv->update_policy = policy;
2304 g_object_notify (G_OBJECT (spin_button), "update-policy");
2309 * gtk_spin_button_get_update_policy:
2310 * @spin_button: a #GtkSpinButton
2312 * Gets the update behavior of a spin button.
2313 * See gtk_spin_button_set_update_policy().
2315 * Return value: the current update policy
2317 GtkSpinButtonUpdatePolicy
2318 gtk_spin_button_get_update_policy (GtkSpinButton *spin_button)
2320 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), GTK_UPDATE_ALWAYS);
2322 return spin_button->priv->update_policy;
2326 * gtk_spin_button_set_numeric:
2327 * @spin_button: a #GtkSpinButton
2328 * @numeric: flag indicating if only numeric entry is allowed
2330 * Sets the flag that determines if non-numeric text can be typed
2331 * into the spin button.
2334 gtk_spin_button_set_numeric (GtkSpinButton *spin_button,
2337 GtkSpinButtonPrivate *priv;
2339 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2341 priv = spin_button->priv;
2343 numeric = numeric != FALSE;
2345 if (priv->numeric != numeric)
2347 priv->numeric = numeric;
2348 g_object_notify (G_OBJECT (spin_button), "numeric");
2353 * gtk_spin_button_get_numeric:
2354 * @spin_button: a #GtkSpinButton
2356 * Returns whether non-numeric text can be typed into the spin button.
2357 * See gtk_spin_button_set_numeric().
2359 * Return value: %TRUE if only numeric text can be entered
2362 gtk_spin_button_get_numeric (GtkSpinButton *spin_button)
2364 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2366 return spin_button->priv->numeric;
2370 * gtk_spin_button_set_wrap:
2371 * @spin_button: a #GtkSpinButton
2372 * @wrap: a flag indicating if wrapping behavior is performed
2374 * Sets the flag that determines if a spin button value wraps
2375 * around to the opposite limit when the upper or lower limit
2376 * of the range is exceeded.
2379 gtk_spin_button_set_wrap (GtkSpinButton *spin_button,
2382 GtkSpinButtonPrivate *priv;
2384 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2386 priv = spin_button->priv;
2388 wrap = wrap != FALSE;
2390 if (priv->wrap != wrap)
2394 g_object_notify (G_OBJECT (spin_button), "wrap");
2399 * gtk_spin_button_get_wrap:
2400 * @spin_button: a #GtkSpinButton
2402 * Returns whether the spin button's value wraps around to the
2403 * opposite limit when the upper or lower limit of the range is
2404 * exceeded. See gtk_spin_button_set_wrap().
2406 * Return value: %TRUE if the spin button wraps around
2409 gtk_spin_button_get_wrap (GtkSpinButton *spin_button)
2411 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2413 return spin_button->priv->wrap;
2417 spin_button_get_arrow_size (GtkSpinButton *spin_button)
2419 const PangoFontDescription *font_desc;
2420 GtkStyleContext *context;
2424 /* FIXME: use getter */
2425 context = gtk_widget_get_style_context (GTK_WIDGET (spin_button));
2426 font_desc = gtk_style_context_get_font (context, 0);
2428 size = pango_font_description_get_size (font_desc);
2429 arrow_size = MAX (PANGO_PIXELS (size), MIN_ARROW_WIDTH);
2431 return arrow_size - arrow_size % 2; /* force even */
2435 * gtk_spin_button_set_snap_to_ticks:
2436 * @spin_button: a #GtkSpinButton
2437 * @snap_to_ticks: a flag indicating if invalid values should be corrected
2439 * Sets the policy as to whether values are corrected to the
2440 * nearest step increment when a spin button is activated after
2441 * providing an invalid value.
2444 gtk_spin_button_set_snap_to_ticks (GtkSpinButton *spin_button,
2445 gboolean snap_to_ticks)
2447 GtkSpinButtonPrivate *priv;
2450 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2452 priv = spin_button->priv;
2454 new_val = (snap_to_ticks != 0);
2456 if (new_val != priv->snap_to_ticks)
2458 priv->snap_to_ticks = new_val;
2459 if (new_val && gtk_editable_get_editable (GTK_EDITABLE (spin_button)))
2460 gtk_spin_button_update (spin_button);
2462 g_object_notify (G_OBJECT (spin_button), "snap-to-ticks");
2467 * gtk_spin_button_get_snap_to_ticks:
2468 * @spin_button: a #GtkSpinButton
2470 * Returns whether the values are corrected to the nearest step.
2471 * See gtk_spin_button_set_snap_to_ticks().
2473 * Return value: %TRUE if values are snapped to the nearest step
2476 gtk_spin_button_get_snap_to_ticks (GtkSpinButton *spin_button)
2478 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2480 return spin_button->priv->snap_to_ticks;
2484 * gtk_spin_button_spin:
2485 * @spin_button: a #GtkSpinButton
2486 * @direction: a #GtkSpinType indicating the direction to spin
2487 * @increment: step increment to apply in the specified direction
2489 * Increment or decrement a spin button's value in a specified
2490 * direction by a specified amount.
2493 gtk_spin_button_spin (GtkSpinButton *spin_button,
2494 GtkSpinType direction,
2497 GtkSpinButtonPrivate *priv;
2498 GtkAdjustment *adjustment;
2501 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2503 priv = spin_button->priv;
2505 adjustment = priv->adjustment;
2507 /* for compatibility with the 1.0.x version of this function */
2508 if (increment != 0 && increment != gtk_adjustment_get_step_increment (adjustment) &&
2509 (direction == GTK_SPIN_STEP_FORWARD ||
2510 direction == GTK_SPIN_STEP_BACKWARD))
2512 if (direction == GTK_SPIN_STEP_BACKWARD && increment > 0)
2513 increment = -increment;
2514 direction = GTK_SPIN_USER_DEFINED;
2519 case GTK_SPIN_STEP_FORWARD:
2521 gtk_spin_button_real_spin (spin_button, gtk_adjustment_get_step_increment (adjustment));
2524 case GTK_SPIN_STEP_BACKWARD:
2526 gtk_spin_button_real_spin (spin_button, -gtk_adjustment_get_step_increment (adjustment));
2529 case GTK_SPIN_PAGE_FORWARD:
2531 gtk_spin_button_real_spin (spin_button, gtk_adjustment_get_page_increment (adjustment));
2534 case GTK_SPIN_PAGE_BACKWARD:
2536 gtk_spin_button_real_spin (spin_button, -gtk_adjustment_get_page_increment (adjustment));
2541 diff = gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_lower (adjustment);
2543 gtk_spin_button_real_spin (spin_button, -diff);
2548 diff = gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_value (adjustment);
2550 gtk_spin_button_real_spin (spin_button, diff);
2553 case GTK_SPIN_USER_DEFINED:
2556 gtk_spin_button_real_spin (spin_button, increment);
2565 * gtk_spin_button_update:
2566 * @spin_button: a #GtkSpinButton
2568 * Manually force an update of the spin button.
2571 gtk_spin_button_update (GtkSpinButton *spin_button)
2573 GtkSpinButtonPrivate *priv;
2578 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2580 priv = spin_button->priv;
2583 g_signal_emit (spin_button, spinbutton_signals[INPUT], 0, &val, &return_val);
2584 if (return_val == FALSE)
2586 return_val = gtk_spin_button_default_input (spin_button, &val);
2587 error = (return_val == GTK_INPUT_ERROR);
2589 else if (return_val == GTK_INPUT_ERROR)
2592 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
2594 if (priv->update_policy == GTK_UPDATE_ALWAYS)
2596 if (val < gtk_adjustment_get_lower (priv->adjustment))
2597 val = gtk_adjustment_get_lower (priv->adjustment);
2598 else if (val > gtk_adjustment_get_upper (priv->adjustment))
2599 val = gtk_adjustment_get_upper (priv->adjustment);
2601 else if ((priv->update_policy == GTK_UPDATE_IF_VALID) &&
2603 val < gtk_adjustment_get_lower (priv->adjustment) ||
2604 val > gtk_adjustment_get_upper (priv->adjustment)))
2606 gtk_spin_button_value_changed (priv->adjustment, spin_button);
2610 if (priv->snap_to_ticks)
2611 gtk_spin_button_snap (spin_button, val);
2613 gtk_spin_button_set_value (spin_button, val);
2617 _gtk_spin_button_get_panel (GtkSpinButton *spin_button)
2619 return spin_button->priv->panel;