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);
926 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->draw (widget, cr);
929 state = gtk_widget_get_state_flags (widget);
931 gtk_style_context_save (context);
932 gtk_style_context_set_state (context, state);
933 gtk_style_context_remove_class (context, GTK_STYLE_CLASS_ENTRY);
936 gtk_style_context_set_junction_sides (context, GTK_JUNCTION_RIGHT);
938 gtk_style_context_set_junction_sides (context, GTK_JUNCTION_LEFT);
940 gtk_cairo_transform_to_window (cr, widget, priv->panel);
942 if (gtk_entry_get_has_frame (GTK_ENTRY (widget)))
943 gtk_render_background (context, cr, 0, 0,
944 gdk_window_get_width (priv->panel),
945 gdk_window_get_height (priv->panel));
947 gtk_spin_button_draw_arrow (spin, context, cr, GTK_ARROW_UP);
948 gtk_spin_button_draw_arrow (spin, context, cr, GTK_ARROW_DOWN);
950 gtk_style_context_restore (context);
956 spin_button_at_limit (GtkSpinButton *spin_button,
959 GtkSpinButtonPrivate *priv = spin_button->priv;
960 GtkArrowType effective_arrow;
965 if (gtk_adjustment_get_step_increment (priv->adjustment) > 0)
966 effective_arrow = arrow;
968 effective_arrow = arrow == GTK_ARROW_UP ? GTK_ARROW_DOWN : GTK_ARROW_UP;
970 if (effective_arrow == GTK_ARROW_UP &&
971 (gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment) <= EPSILON))
974 if (effective_arrow == GTK_ARROW_DOWN &&
975 (gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment) <= EPSILON))
982 gtk_spin_button_draw_arrow (GtkSpinButton *spin_button,
983 GtkStyleContext *context,
985 GtkArrowType arrow_type)
987 GtkSpinButtonPrivate *priv;
988 GtkJunctionSides junction;
1000 g_return_if_fail (arrow_type == GTK_ARROW_UP || arrow_type == GTK_ARROW_DOWN);
1002 gtk_style_context_save (context);
1003 gtk_style_context_add_class (context, GTK_STYLE_CLASS_BUTTON);
1005 priv = spin_button->priv;
1006 widget = GTK_WIDGET (spin_button);
1007 junction = gtk_style_context_get_junction_sides (context);
1009 panel_height = gdk_window_get_height (priv->panel);
1011 if (arrow_type == GTK_ARROW_UP)
1016 height = panel_height / 2;
1018 junction |= GTK_JUNCTION_BOTTOM;
1023 y = panel_height / 2;
1025 height = (panel_height + 1) / 2;
1027 junction |= GTK_JUNCTION_TOP;
1030 if (spin_button_at_limit (spin_button, arrow_type))
1031 state = GTK_STATE_FLAG_INSENSITIVE;
1034 if (priv->click_child == arrow_type)
1035 state = GTK_STATE_ACTIVE;
1038 if (priv->in_child == arrow_type &&
1039 priv->click_child == NO_ARROW)
1040 state = GTK_STATE_FLAG_PRELIGHT;
1042 state = gtk_widget_get_state_flags (widget);
1046 gtk_style_context_get_padding (context, state, &padding);
1047 gtk_style_context_set_junction_sides (context, junction);
1048 gtk_style_context_set_state (context, state);
1050 width = spin_button_get_arrow_size (spin_button) + padding.left + padding.right;
1052 gtk_render_background (context, cr, x, y, width, height);
1053 gtk_render_frame (context, cr, x, y, width, height);
1055 height = panel_height;
1057 if (arrow_type == GTK_ARROW_DOWN)
1060 height = height - y - 2;
1065 height = height / 2 - 2;
1070 if (widget && gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
1076 w -= w % 2 - 1; /* force odd */
1079 x += (width - w) / 2;
1080 y += (height - h) / 2;
1085 gtk_render_arrow (context, cr,
1086 angle, x, y, width);
1088 gtk_style_context_restore (context);
1092 gtk_spin_button_enter_notify (GtkWidget *widget,
1093 GdkEventCrossing *event)
1095 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1096 GtkSpinButtonPrivate *priv = spin->priv;
1097 GtkRequisition requisition;
1099 if (event->window == priv->panel)
1105 device = gdk_event_get_device ((GdkEvent *) event);
1106 gdk_window_get_device_position (priv->panel, device, &x, &y, NULL);
1108 gtk_widget_get_preferred_size (widget, &requisition, NULL);
1110 if (y <= requisition.height / 2)
1111 priv->in_child = GTK_ARROW_UP;
1113 priv->in_child = GTK_ARROW_DOWN;
1115 gtk_widget_queue_draw (GTK_WIDGET (spin));
1118 if (GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->enter_notify_event)
1119 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->enter_notify_event (widget, event);
1125 gtk_spin_button_leave_notify (GtkWidget *widget,
1126 GdkEventCrossing *event)
1128 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1129 GtkSpinButtonPrivate *priv = spin->priv;
1131 priv->in_child = NO_ARROW;
1132 gtk_widget_queue_draw (GTK_WIDGET (spin));
1134 if (GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->leave_notify_event)
1135 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->leave_notify_event (widget, event);
1141 gtk_spin_button_focus_out (GtkWidget *widget,
1142 GdkEventFocus *event)
1144 if (gtk_editable_get_editable (GTK_EDITABLE (widget)))
1145 gtk_spin_button_update (GTK_SPIN_BUTTON (widget));
1147 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->focus_out_event (widget, event);
1151 gtk_spin_button_grab_notify (GtkWidget *widget,
1152 gboolean was_grabbed)
1154 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1158 gtk_spin_button_stop_spinning (spin);
1159 gtk_widget_queue_draw (GTK_WIDGET (spin));
1164 gtk_spin_button_state_flags_changed (GtkWidget *widget,
1165 GtkStateFlags previous_state)
1167 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1169 if (!gtk_widget_is_sensitive (widget))
1171 gtk_spin_button_stop_spinning (spin);
1172 gtk_widget_queue_draw (GTK_WIDGET (spin));
1177 gtk_spin_button_style_updated (GtkWidget *widget)
1179 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1180 GtkSpinButtonPrivate *priv = spin->priv;
1182 if (gtk_widget_get_realized (widget))
1184 GtkStyleContext *context;
1186 context = gtk_widget_get_style_context (widget);
1187 gtk_style_context_set_background (context, priv->panel);
1190 GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->style_updated (widget);
1195 gtk_spin_button_scroll (GtkWidget *widget,
1196 GdkEventScroll *event)
1198 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1199 GtkSpinButtonPrivate *priv = spin->priv;
1201 if (event->direction == GDK_SCROLL_UP)
1203 if (!gtk_widget_has_focus (widget))
1204 gtk_widget_grab_focus (widget);
1205 gtk_spin_button_real_spin (spin, gtk_adjustment_get_step_increment (priv->adjustment));
1207 else if (event->direction == GDK_SCROLL_DOWN)
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));
1220 gtk_spin_button_stop_spinning (GtkSpinButton *spin)
1222 GtkSpinButtonPrivate *priv = spin->priv;
1226 g_source_remove (priv->timer);
1228 priv->timer_calls = 0;
1229 priv->need_timer = FALSE;
1234 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1235 priv->timer_calls = 0;
1237 priv->click_child = NO_ARROW;
1242 start_spinning (GtkSpinButton *spin,
1243 GtkArrowType click_child,
1246 GtkSpinButtonPrivate *priv;
1248 g_return_if_fail (click_child == GTK_ARROW_UP || click_child == GTK_ARROW_DOWN);
1252 priv->click_child = click_child;
1256 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (spin));
1259 g_object_get (settings, "gtk-timeout-initial", &timeout, NULL);
1261 priv->timer_step = step;
1262 priv->need_timer = TRUE;
1263 priv->timer = gdk_threads_add_timeout (timeout,
1264 (GSourceFunc) gtk_spin_button_timer,
1267 gtk_spin_button_real_spin (spin, click_child == GTK_ARROW_UP ? step : -step);
1269 gtk_widget_queue_draw (GTK_WIDGET (spin));
1273 gtk_spin_button_button_press (GtkWidget *widget,
1274 GdkEventButton *event)
1276 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1277 GtkSpinButtonPrivate *priv = spin->priv;
1281 if (event->window == priv->panel)
1283 GtkRequisition requisition;
1285 if (!gtk_widget_has_focus (widget))
1286 gtk_widget_grab_focus (widget);
1287 priv->button = event->button;
1289 if (gtk_editable_get_editable (GTK_EDITABLE (widget)))
1290 gtk_spin_button_update (spin);
1292 gtk_widget_get_preferred_size (widget, &requisition, NULL);
1294 if (event->y <= requisition.height / 2)
1296 if (event->button == 1)
1297 start_spinning (spin, GTK_ARROW_UP, gtk_adjustment_get_step_increment (priv->adjustment));
1298 else if (event->button == 2)
1299 start_spinning (spin, GTK_ARROW_UP, gtk_adjustment_get_page_increment (priv->adjustment));
1301 priv->click_child = GTK_ARROW_UP;
1305 if (event->button == 1)
1306 start_spinning (spin, GTK_ARROW_DOWN, gtk_adjustment_get_step_increment (priv->adjustment));
1307 else if (event->button == 2)
1308 start_spinning (spin, GTK_ARROW_DOWN, gtk_adjustment_get_page_increment (priv->adjustment));
1310 priv->click_child = GTK_ARROW_DOWN;
1315 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->button_press_event (widget, event);
1321 gtk_spin_button_button_release (GtkWidget *widget,
1322 GdkEventButton *event)
1324 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1325 GtkSpinButtonPrivate *priv = spin->priv;
1328 arrow_size = spin_button_get_arrow_size (spin);
1330 if (event->button == priv->button)
1332 int click_child = priv->click_child;
1334 gtk_spin_button_stop_spinning (spin);
1336 if (event->button == 3)
1338 GtkRequisition requisition;
1339 GtkStyleContext *context;
1340 GtkStateFlags state;
1343 gtk_widget_get_preferred_size (widget, &requisition, NULL);
1345 context = gtk_widget_get_style_context (widget);
1346 state = gtk_widget_get_state_flags (widget);
1347 gtk_style_context_get_padding (context, state, &padding);
1349 if (event->y >= 0 && event->x >= 0 &&
1350 event->y <= requisition.height &&
1351 event->x <= arrow_size + padding.left + padding.right)
1353 if (click_child == GTK_ARROW_UP &&
1354 event->y <= requisition.height / 2)
1358 diff = gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment);
1360 gtk_spin_button_real_spin (spin, diff);
1362 else if (click_child == GTK_ARROW_DOWN &&
1363 event->y > requisition.height / 2)
1367 diff = gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment);
1369 gtk_spin_button_real_spin (spin, -diff);
1373 gtk_widget_queue_draw (GTK_WIDGET (spin));
1378 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->button_release_event (widget, event);
1382 gtk_spin_button_motion_notify (GtkWidget *widget,
1383 GdkEventMotion *event)
1385 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1386 GtkSpinButtonPrivate *priv = spin->priv;
1391 if (event->window == priv->panel)
1393 GtkRequisition requisition;
1396 gdk_event_request_motions (event);
1398 gtk_widget_get_preferred_size (widget, &requisition, NULL);
1400 if (y <= requisition.height / 2 &&
1401 priv->in_child == GTK_ARROW_DOWN)
1403 priv->in_child = GTK_ARROW_UP;
1404 gtk_widget_queue_draw (GTK_WIDGET (spin));
1406 else if (y > requisition.height / 2 &&
1407 priv->in_child == GTK_ARROW_UP)
1409 priv->in_child = GTK_ARROW_DOWN;
1410 gtk_widget_queue_draw (GTK_WIDGET (spin));
1416 return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->motion_notify_event (widget, event);
1420 gtk_spin_button_timer (GtkSpinButton *spin_button)
1422 GtkSpinButtonPrivate *priv = spin_button->priv;
1423 gboolean retval = FALSE;
1427 if (priv->click_child == GTK_ARROW_UP)
1428 gtk_spin_button_real_spin (spin_button, priv->timer_step);
1430 gtk_spin_button_real_spin (spin_button, -priv->timer_step);
1432 if (priv->need_timer)
1434 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (spin_button));
1437 g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL);
1439 priv->need_timer = FALSE;
1440 priv->timer = gdk_threads_add_timeout (timeout,
1441 (GSourceFunc) gtk_spin_button_timer,
1442 (gpointer) spin_button);
1446 if (priv->climb_rate > 0.0 && priv->timer_step
1447 < gtk_adjustment_get_page_increment (priv->adjustment))
1449 if (priv->timer_calls < MAX_TIMER_CALLS)
1450 priv->timer_calls++;
1453 priv->timer_calls = 0;
1454 priv->timer_step += priv->climb_rate;
1465 gtk_spin_button_value_changed (GtkAdjustment *adjustment,
1466 GtkSpinButton *spin_button)
1468 gboolean return_val;
1470 g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
1473 g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val);
1474 if (return_val == FALSE)
1475 gtk_spin_button_default_output (spin_button);
1477 g_signal_emit (spin_button, spinbutton_signals[VALUE_CHANGED], 0);
1479 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
1481 g_object_notify (G_OBJECT (spin_button), "value");
1485 gtk_spin_button_real_change_value (GtkSpinButton *spin,
1486 GtkScrollType scroll)
1488 GtkSpinButtonPrivate *priv = spin->priv;
1491 /* When the key binding is activated, there may be an outstanding
1492 * value, so we first have to commit what is currently written in
1493 * the spin buttons text entry. See #106574
1495 gtk_spin_button_update (spin);
1497 old_value = gtk_adjustment_get_value (priv->adjustment);
1499 /* We don't test whether the entry is editable, since
1500 * this key binding conceptually corresponds to changing
1501 * the value with the buttons using the mouse, which
1502 * we allow for non-editable spin buttons.
1506 case GTK_SCROLL_STEP_BACKWARD:
1507 case GTK_SCROLL_STEP_DOWN:
1508 case GTK_SCROLL_STEP_LEFT:
1509 gtk_spin_button_real_spin (spin, -priv->timer_step);
1511 if (priv->climb_rate > 0.0 && priv->timer_step
1512 < gtk_adjustment_get_page_increment (priv->adjustment))
1514 if (priv->timer_calls < MAX_TIMER_CALLS)
1515 priv->timer_calls++;
1518 priv->timer_calls = 0;
1519 priv->timer_step += priv->climb_rate;
1524 case GTK_SCROLL_STEP_FORWARD:
1525 case GTK_SCROLL_STEP_UP:
1526 case GTK_SCROLL_STEP_RIGHT:
1527 gtk_spin_button_real_spin (spin, priv->timer_step);
1529 if (priv->climb_rate > 0.0 && priv->timer_step
1530 < gtk_adjustment_get_page_increment (priv->adjustment))
1532 if (priv->timer_calls < MAX_TIMER_CALLS)
1533 priv->timer_calls++;
1536 priv->timer_calls = 0;
1537 priv->timer_step += priv->climb_rate;
1542 case GTK_SCROLL_PAGE_BACKWARD:
1543 case GTK_SCROLL_PAGE_DOWN:
1544 case GTK_SCROLL_PAGE_LEFT:
1545 gtk_spin_button_real_spin (spin, -gtk_adjustment_get_page_increment (priv->adjustment));
1548 case GTK_SCROLL_PAGE_FORWARD:
1549 case GTK_SCROLL_PAGE_UP:
1550 case GTK_SCROLL_PAGE_RIGHT:
1551 gtk_spin_button_real_spin (spin, gtk_adjustment_get_page_increment (priv->adjustment));
1554 case GTK_SCROLL_START:
1556 gdouble diff = gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment);
1558 gtk_spin_button_real_spin (spin, -diff);
1562 case GTK_SCROLL_END:
1564 gdouble diff = gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment);
1566 gtk_spin_button_real_spin (spin, diff);
1571 g_warning ("Invalid scroll type %d for GtkSpinButton::change-value", scroll);
1575 gtk_spin_button_update (spin);
1577 if (gtk_adjustment_get_value (priv->adjustment) == old_value)
1578 gtk_widget_error_bell (GTK_WIDGET (spin));
1582 gtk_spin_button_key_release (GtkWidget *widget,
1585 GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
1586 GtkSpinButtonPrivate *priv = spin->priv;
1588 /* We only get a release at the end of a key repeat run, so reset the timer_step */
1589 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1590 priv->timer_calls = 0;
1596 gtk_spin_button_snap (GtkSpinButton *spin_button,
1599 GtkSpinButtonPrivate *priv = spin_button->priv;
1603 inc = gtk_adjustment_get_step_increment (priv->adjustment);
1607 tmp = (val - gtk_adjustment_get_lower (priv->adjustment)) / inc;
1608 if (tmp - floor (tmp) < ceil (tmp) - tmp)
1609 val = gtk_adjustment_get_lower (priv->adjustment) + floor (tmp) * inc;
1611 val = gtk_adjustment_get_lower (priv->adjustment) + ceil (tmp) * inc;
1613 gtk_spin_button_set_value (spin_button, val);
1617 gtk_spin_button_activate (GtkEntry *entry)
1619 if (gtk_editable_get_editable (GTK_EDITABLE (entry)))
1620 gtk_spin_button_update (GTK_SPIN_BUTTON (entry));
1622 /* Chain up so that entry->activates_default is honored */
1623 GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->activate (entry);
1627 gtk_spin_button_get_text_area_size (GtkEntry *entry,
1633 GtkStyleContext *context;
1634 GtkStateFlags state;
1640 GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->get_text_area_size (entry, x, y, width, height);
1642 widget = GTK_WIDGET (entry);
1643 state = gtk_widget_get_state_flags (widget);
1644 context = gtk_widget_get_style_context (widget);
1645 gtk_style_context_get_padding (context, state, &padding);
1647 arrow_size = spin_button_get_arrow_size (GTK_SPIN_BUTTON (entry));
1648 panel_width = arrow_size + padding.left + padding.right;
1651 *width -= panel_width;
1653 if (gtk_widget_get_direction (GTK_WIDGET (entry)) == GTK_TEXT_DIR_RTL && x)
1658 gtk_spin_button_insert_text (GtkEditable *editable,
1659 const gchar *new_text,
1660 gint new_text_length,
1663 GtkEntry *entry = GTK_ENTRY (editable);
1664 GtkSpinButton *spin = GTK_SPIN_BUTTON (editable);
1665 GtkSpinButtonPrivate *priv = spin->priv;
1666 GtkEditableInterface *parent_editable_iface;
1668 parent_editable_iface = g_type_interface_peek (gtk_spin_button_parent_class,
1680 const gchar *entry_text;
1682 entry_length = gtk_entry_get_text_length (entry);
1683 entry_text = gtk_entry_get_text (entry);
1687 if (*(lc->negative_sign))
1688 neg_sign = *(lc->negative_sign);
1692 if (*(lc->positive_sign))
1693 pos_sign = *(lc->positive_sign);
1698 /* Workaround for bug caused by some Windows application messing
1699 * up the positive sign of the current locale, more specifically
1700 * HKEY_CURRENT_USER\Control Panel\International\sPositiveSign.
1701 * See bug #330743 and for instance
1702 * http://www.msnewsgroups.net/group/microsoft.public.dotnet.languages.csharp/topic36024.aspx
1704 * I don't know if the positive sign always gets bogusly set to
1705 * a digit when the above Registry value is corrupted as
1706 * described. (In my test case, it got set to "8", and in the
1707 * bug report above it presumably was set ot "0".) Probably it
1708 * might get set to almost anything? So how to distinguish a
1709 * bogus value from some correct one for some locale? That is
1710 * probably hard, but at least we should filter out the
1713 if (pos_sign >= '0' && pos_sign <= '9')
1717 for (sign=0, i=0; i<entry_length; i++)
1718 if ((entry_text[i] == neg_sign) ||
1719 (entry_text[i] == pos_sign))
1725 if (sign && !(*position))
1728 for (dotpos=-1, i=0; i<entry_length; i++)
1729 if (entry_text[i] == *(lc->decimal_point))
1735 if (dotpos > -1 && *position > dotpos &&
1736 (gint)priv->digits - entry_length
1737 + dotpos - new_text_length + 1 < 0)
1740 for (i = 0; i < new_text_length; i++)
1742 if (new_text[i] == neg_sign || new_text[i] == pos_sign)
1744 if (sign || (*position) || i)
1748 else if (new_text[i] == *(lc->decimal_point))
1750 if (!priv->digits || dotpos > -1 ||
1751 (new_text_length - 1 - i + entry_length
1752 - *position > (gint)priv->digits))
1754 dotpos = *position + i;
1756 else if (new_text[i] < 0x30 || new_text[i] > 0x39)
1761 parent_editable_iface->insert_text (editable, new_text,
1762 new_text_length, position);
1766 gtk_spin_button_real_spin (GtkSpinButton *spin_button,
1769 GtkSpinButtonPrivate *priv = spin_button->priv;
1770 GtkAdjustment *adjustment;
1771 gdouble new_value = 0.0;
1772 gboolean wrapped = FALSE;
1774 adjustment = priv->adjustment;
1776 new_value = gtk_adjustment_get_value (adjustment) + increment;
1782 if (fabs (gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_upper (adjustment)) < EPSILON)
1784 new_value = gtk_adjustment_get_lower (adjustment);
1787 else if (new_value > gtk_adjustment_get_upper (adjustment))
1788 new_value = gtk_adjustment_get_upper (adjustment);
1791 new_value = MIN (new_value, gtk_adjustment_get_upper (adjustment));
1793 else if (increment < 0)
1797 if (fabs (gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_lower (adjustment)) < EPSILON)
1799 new_value = gtk_adjustment_get_upper (adjustment);
1802 else if (new_value < gtk_adjustment_get_lower (adjustment))
1803 new_value = gtk_adjustment_get_lower (adjustment);
1806 new_value = MAX (new_value, gtk_adjustment_get_lower (adjustment));
1809 if (fabs (new_value - gtk_adjustment_get_value (adjustment)) > EPSILON)
1810 gtk_adjustment_set_value (adjustment, new_value);
1813 g_signal_emit (spin_button, spinbutton_signals[WRAPPED], 0);
1815 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
1819 gtk_spin_button_default_input (GtkSpinButton *spin_button,
1824 *new_val = g_strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &err);
1826 return GTK_INPUT_ERROR;
1832 gtk_spin_button_default_output (GtkSpinButton *spin_button)
1834 GtkSpinButtonPrivate *priv = spin_button->priv;
1836 gchar *buf = g_strdup_printf ("%0.*f", priv->digits, gtk_adjustment_get_value (priv->adjustment));
1838 if (strcmp (buf, gtk_entry_get_text (GTK_ENTRY (spin_button))))
1839 gtk_entry_set_text (GTK_ENTRY (spin_button), buf);
1845 /***********************************************************
1846 ***********************************************************
1847 *** Public interface ***
1848 ***********************************************************
1849 ***********************************************************/
1853 * gtk_spin_button_configure:
1854 * @spin_button: a #GtkSpinButton
1855 * @adjustment: (allow-none): a #GtkAdjustment
1856 * @climb_rate: the new climb rate
1857 * @digits: the number of decimal places to display in the spin button
1859 * Changes the properties of an existing spin button. The adjustment,
1860 * climb rate, and number of decimal places are all changed accordingly,
1861 * after this function call.
1864 gtk_spin_button_configure (GtkSpinButton *spin_button,
1865 GtkAdjustment *adjustment,
1869 GtkSpinButtonPrivate *priv;
1871 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
1873 priv = spin_button->priv;
1876 gtk_spin_button_set_adjustment (spin_button, adjustment);
1878 adjustment = priv->adjustment;
1880 g_object_freeze_notify (G_OBJECT (spin_button));
1881 if (priv->digits != digits)
1883 priv->digits = digits;
1884 g_object_notify (G_OBJECT (spin_button), "digits");
1887 if (priv->climb_rate != climb_rate)
1889 priv->climb_rate = climb_rate;
1890 g_object_notify (G_OBJECT (spin_button), "climb-rate");
1892 g_object_thaw_notify (G_OBJECT (spin_button));
1894 gtk_adjustment_value_changed (adjustment);
1898 * gtk_spin_button_new:
1899 * @adjustment: (allow-none): the #GtkAdjustment object that this spin
1900 * button should use, or %NULL
1901 * @climb_rate: specifies how much the spin button changes when an arrow
1903 * @digits: the number of decimal places to display
1905 * Creates a new #GtkSpinButton.
1907 * Returns: The new spin button as a #GtkWidget
1910 gtk_spin_button_new (GtkAdjustment *adjustment,
1914 GtkSpinButton *spin;
1917 g_return_val_if_fail (GTK_IS_ADJUSTMENT (adjustment), NULL);
1919 spin = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL);
1921 gtk_spin_button_configure (spin, adjustment, climb_rate, digits);
1923 return GTK_WIDGET (spin);
1927 * gtk_spin_button_new_with_range:
1928 * @min: Minimum allowable value
1929 * @max: Maximum allowable value
1930 * @step: Increment added or subtracted by spinning the widget
1932 * This is a convenience constructor that allows creation of a numeric
1933 * #GtkSpinButton without manually creating an adjustment. The value is
1934 * initially set to the minimum value and a page increment of 10 * @step
1935 * is the default. The precision of the spin button is equivalent to the
1936 * precision of @step.
1938 * Note that the way in which the precision is derived works best if @step
1939 * is a power of ten. If the resulting precision is not suitable for your
1940 * needs, use gtk_spin_button_set_digits() to correct it.
1942 * Return value: The new spin button as a #GtkWidget
1945 gtk_spin_button_new_with_range (gdouble min,
1949 GtkAdjustment *adjustment;
1950 GtkSpinButton *spin;
1953 g_return_val_if_fail (min <= max, NULL);
1954 g_return_val_if_fail (step != 0.0, NULL);
1956 spin = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL);
1958 adjustment = gtk_adjustment_new (min, min, max, step, 10 * step, 0);
1960 if (fabs (step) >= 1.0 || step == 0.0)
1963 digits = abs ((gint) floor (log10 (fabs (step))));
1964 if (digits > MAX_DIGITS)
1965 digits = MAX_DIGITS;
1968 gtk_spin_button_configure (spin, adjustment, step, digits);
1970 gtk_spin_button_set_numeric (spin, TRUE);
1972 return GTK_WIDGET (spin);
1975 /* Callback used when the spin button's adjustment changes.
1976 * We need to redraw the arrows when the adjustment's range
1977 * changes, and reevaluate our size request.
1980 adjustment_changed_cb (GtkAdjustment *adjustment, gpointer data)
1982 GtkSpinButton *spin_button = GTK_SPIN_BUTTON (data);
1983 GtkSpinButtonPrivate *priv = spin_button->priv;
1985 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
1986 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
1990 * gtk_spin_button_set_adjustment:
1991 * @spin_button: a #GtkSpinButton
1992 * @adjustment: a #GtkAdjustment to replace the existing adjustment
1994 * Replaces the #GtkAdjustment associated with @spin_button.
1997 gtk_spin_button_set_adjustment (GtkSpinButton *spin_button,
1998 GtkAdjustment *adjustment)
2000 GtkSpinButtonPrivate *priv;
2002 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2004 priv = spin_button->priv;
2006 if (priv->adjustment != adjustment)
2008 if (priv->adjustment)
2010 g_signal_handlers_disconnect_by_func (priv->adjustment,
2011 gtk_spin_button_value_changed,
2013 g_signal_handlers_disconnect_by_func (priv->adjustment,
2014 adjustment_changed_cb,
2016 g_object_unref (priv->adjustment);
2018 priv->adjustment = adjustment;
2021 g_object_ref_sink (adjustment);
2022 g_signal_connect (adjustment, "value-changed",
2023 G_CALLBACK (gtk_spin_button_value_changed),
2025 g_signal_connect (adjustment, "changed",
2026 G_CALLBACK (adjustment_changed_cb),
2028 priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment);
2031 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
2034 g_object_notify (G_OBJECT (spin_button), "adjustment");
2038 * gtk_spin_button_get_adjustment:
2039 * @spin_button: a #GtkSpinButton
2041 * Get the adjustment associated with a #GtkSpinButton
2043 * Return value: (transfer none): the #GtkAdjustment of @spin_button
2046 gtk_spin_button_get_adjustment (GtkSpinButton *spin_button)
2048 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), NULL);
2050 return spin_button->priv->adjustment;
2054 * gtk_spin_button_set_digits:
2055 * @spin_button: a #GtkSpinButton
2056 * @digits: the number of digits after the decimal point to be displayed for the spin button's value
2058 * Set the precision to be displayed by @spin_button. Up to 20 digit precision
2062 gtk_spin_button_set_digits (GtkSpinButton *spin_button,
2065 GtkSpinButtonPrivate *priv;
2067 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2069 priv = spin_button->priv;
2071 if (priv->digits != digits)
2073 priv->digits = digits;
2074 gtk_spin_button_value_changed (priv->adjustment, spin_button);
2075 g_object_notify (G_OBJECT (spin_button), "digits");
2077 /* since lower/upper may have changed */
2078 gtk_widget_queue_resize (GTK_WIDGET (spin_button));
2083 * gtk_spin_button_get_digits:
2084 * @spin_button: a #GtkSpinButton
2086 * Fetches the precision of @spin_button. See gtk_spin_button_set_digits().
2088 * Returns: the current precision
2091 gtk_spin_button_get_digits (GtkSpinButton *spin_button)
2093 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0);
2095 return spin_button->priv->digits;
2099 * gtk_spin_button_set_increments:
2100 * @spin_button: a #GtkSpinButton
2101 * @step: increment applied for a button 1 press.
2102 * @page: increment applied for a button 2 press.
2104 * Sets the step and page increments for spin_button. This affects how
2105 * quickly the value changes when the spin button's arrows are activated.
2108 gtk_spin_button_set_increments (GtkSpinButton *spin_button,
2112 GtkSpinButtonPrivate *priv;
2114 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2116 priv = spin_button->priv;
2118 gtk_adjustment_configure (priv->adjustment,
2119 gtk_adjustment_get_value (priv->adjustment),
2120 gtk_adjustment_get_lower (priv->adjustment),
2121 gtk_adjustment_get_upper (priv->adjustment),
2124 gtk_adjustment_get_page_size (priv->adjustment));
2128 * gtk_spin_button_get_increments:
2129 * @spin_button: a #GtkSpinButton
2130 * @step: (out) (allow-none): location to store step increment, or %NULL
2131 * @page: (out) (allow-none): location to store page increment, or %NULL
2133 * Gets the current step and page the increments used by @spin_button. See
2134 * gtk_spin_button_set_increments().
2137 gtk_spin_button_get_increments (GtkSpinButton *spin_button,
2141 GtkSpinButtonPrivate *priv;
2143 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2145 priv = spin_button->priv;
2148 *step = gtk_adjustment_get_step_increment (priv->adjustment);
2150 *page = gtk_adjustment_get_page_increment (priv->adjustment);
2154 * gtk_spin_button_set_range:
2155 * @spin_button: a #GtkSpinButton
2156 * @min: minimum allowable value
2157 * @max: maximum allowable value
2159 * Sets the minimum and maximum allowable values for @spin_button.
2162 gtk_spin_button_set_range (GtkSpinButton *spin_button,
2166 GtkAdjustment *adjustment;
2168 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2170 adjustment = spin_button->priv->adjustment;
2172 gtk_adjustment_configure (adjustment,
2173 CLAMP (gtk_adjustment_get_value (adjustment), min, max),
2176 gtk_adjustment_get_step_increment (adjustment),
2177 gtk_adjustment_get_page_increment (adjustment),
2178 gtk_adjustment_get_page_size (adjustment));
2182 * gtk_spin_button_get_range:
2183 * @spin_button: a #GtkSpinButton
2184 * @min: (out) (allow-none): location to store minimum allowed value, or %NULL
2185 * @max: (out) (allow-none): location to store maximum allowed value, or %NULL
2187 * Gets the range allowed for @spin_button.
2188 * See gtk_spin_button_set_range().
2191 gtk_spin_button_get_range (GtkSpinButton *spin_button,
2195 GtkSpinButtonPrivate *priv;
2197 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2199 priv = spin_button->priv;
2202 *min = gtk_adjustment_get_lower (priv->adjustment);
2204 *max = gtk_adjustment_get_upper (priv->adjustment);
2208 * gtk_spin_button_get_value:
2209 * @spin_button: a #GtkSpinButton
2211 * Get the value in the @spin_button.
2213 * Return value: the value of @spin_button
2216 gtk_spin_button_get_value (GtkSpinButton *spin_button)
2218 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0.0);
2220 return gtk_adjustment_get_value (spin_button->priv->adjustment);
2224 * gtk_spin_button_get_value_as_int:
2225 * @spin_button: a #GtkSpinButton
2227 * Get the value @spin_button represented as an integer.
2229 * Return value: the value of @spin_button
2232 gtk_spin_button_get_value_as_int (GtkSpinButton *spin_button)
2234 GtkSpinButtonPrivate *priv;
2237 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0);
2239 priv = spin_button->priv;
2241 val = gtk_adjustment_get_value (priv->adjustment);
2242 if (val - floor (val) < ceil (val) - val)
2249 * gtk_spin_button_set_value:
2250 * @spin_button: a #GtkSpinButton
2251 * @value: the new value
2253 * Sets the value of @spin_button.
2256 gtk_spin_button_set_value (GtkSpinButton *spin_button,
2259 GtkSpinButtonPrivate *priv;
2261 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2263 priv = spin_button->priv;
2265 if (fabs (value - gtk_adjustment_get_value (priv->adjustment)) > EPSILON)
2266 gtk_adjustment_set_value (priv->adjustment, value);
2269 gint return_val = FALSE;
2270 g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val);
2271 if (return_val == FALSE)
2272 gtk_spin_button_default_output (spin_button);
2277 * gtk_spin_button_set_update_policy:
2278 * @spin_button: a #GtkSpinButton
2279 * @policy: a #GtkSpinButtonUpdatePolicy value
2281 * Sets the update behavior of a spin button.
2282 * This determines wether the spin button is always updated
2283 * or only when a valid value is set.
2286 gtk_spin_button_set_update_policy (GtkSpinButton *spin_button,
2287 GtkSpinButtonUpdatePolicy policy)
2289 GtkSpinButtonPrivate *priv;
2291 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2293 priv = spin_button->priv;
2295 if (priv->update_policy != policy)
2297 priv->update_policy = policy;
2298 g_object_notify (G_OBJECT (spin_button), "update-policy");
2303 * gtk_spin_button_get_update_policy:
2304 * @spin_button: a #GtkSpinButton
2306 * Gets the update behavior of a spin button.
2307 * See gtk_spin_button_set_update_policy().
2309 * Return value: the current update policy
2311 GtkSpinButtonUpdatePolicy
2312 gtk_spin_button_get_update_policy (GtkSpinButton *spin_button)
2314 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), GTK_UPDATE_ALWAYS);
2316 return spin_button->priv->update_policy;
2320 * gtk_spin_button_set_numeric:
2321 * @spin_button: a #GtkSpinButton
2322 * @numeric: flag indicating if only numeric entry is allowed
2324 * Sets the flag that determines if non-numeric text can be typed
2325 * into the spin button.
2328 gtk_spin_button_set_numeric (GtkSpinButton *spin_button,
2331 GtkSpinButtonPrivate *priv;
2333 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2335 priv = spin_button->priv;
2337 numeric = numeric != FALSE;
2339 if (priv->numeric != numeric)
2341 priv->numeric = numeric;
2342 g_object_notify (G_OBJECT (spin_button), "numeric");
2347 * gtk_spin_button_get_numeric:
2348 * @spin_button: a #GtkSpinButton
2350 * Returns whether non-numeric text can be typed into the spin button.
2351 * See gtk_spin_button_set_numeric().
2353 * Return value: %TRUE if only numeric text can be entered
2356 gtk_spin_button_get_numeric (GtkSpinButton *spin_button)
2358 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2360 return spin_button->priv->numeric;
2364 * gtk_spin_button_set_wrap:
2365 * @spin_button: a #GtkSpinButton
2366 * @wrap: a flag indicating if wrapping behavior is performed
2368 * Sets the flag that determines if a spin button value wraps
2369 * around to the opposite limit when the upper or lower limit
2370 * of the range is exceeded.
2373 gtk_spin_button_set_wrap (GtkSpinButton *spin_button,
2376 GtkSpinButtonPrivate *priv;
2378 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2380 priv = spin_button->priv;
2382 wrap = wrap != FALSE;
2384 if (priv->wrap != wrap)
2388 g_object_notify (G_OBJECT (spin_button), "wrap");
2393 * gtk_spin_button_get_wrap:
2394 * @spin_button: a #GtkSpinButton
2396 * Returns whether the spin button's value wraps around to the
2397 * opposite limit when the upper or lower limit of the range is
2398 * exceeded. See gtk_spin_button_set_wrap().
2400 * Return value: %TRUE if the spin button wraps around
2403 gtk_spin_button_get_wrap (GtkSpinButton *spin_button)
2405 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2407 return spin_button->priv->wrap;
2411 spin_button_get_arrow_size (GtkSpinButton *spin_button)
2413 const PangoFontDescription *font_desc;
2414 GtkStyleContext *context;
2418 /* FIXME: use getter */
2419 context = gtk_widget_get_style_context (GTK_WIDGET (spin_button));
2420 font_desc = gtk_style_context_get_font (context, 0);
2422 size = pango_font_description_get_size (font_desc);
2423 arrow_size = MAX (PANGO_PIXELS (size), MIN_ARROW_WIDTH);
2425 return arrow_size - arrow_size % 2; /* force even */
2429 * gtk_spin_button_set_snap_to_ticks:
2430 * @spin_button: a #GtkSpinButton
2431 * @snap_to_ticks: a flag indicating if invalid values should be corrected
2433 * Sets the policy as to whether values are corrected to the
2434 * nearest step increment when a spin button is activated after
2435 * providing an invalid value.
2438 gtk_spin_button_set_snap_to_ticks (GtkSpinButton *spin_button,
2439 gboolean snap_to_ticks)
2441 GtkSpinButtonPrivate *priv;
2444 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2446 priv = spin_button->priv;
2448 new_val = (snap_to_ticks != 0);
2450 if (new_val != priv->snap_to_ticks)
2452 priv->snap_to_ticks = new_val;
2453 if (new_val && gtk_editable_get_editable (GTK_EDITABLE (spin_button)))
2454 gtk_spin_button_update (spin_button);
2456 g_object_notify (G_OBJECT (spin_button), "snap-to-ticks");
2461 * gtk_spin_button_get_snap_to_ticks:
2462 * @spin_button: a #GtkSpinButton
2464 * Returns whether the values are corrected to the nearest step.
2465 * See gtk_spin_button_set_snap_to_ticks().
2467 * Return value: %TRUE if values are snapped to the nearest step
2470 gtk_spin_button_get_snap_to_ticks (GtkSpinButton *spin_button)
2472 g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
2474 return spin_button->priv->snap_to_ticks;
2478 * gtk_spin_button_spin:
2479 * @spin_button: a #GtkSpinButton
2480 * @direction: a #GtkSpinType indicating the direction to spin
2481 * @increment: step increment to apply in the specified direction
2483 * Increment or decrement a spin button's value in a specified
2484 * direction by a specified amount.
2487 gtk_spin_button_spin (GtkSpinButton *spin_button,
2488 GtkSpinType direction,
2491 GtkSpinButtonPrivate *priv;
2492 GtkAdjustment *adjustment;
2495 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2497 priv = spin_button->priv;
2499 adjustment = priv->adjustment;
2501 /* for compatibility with the 1.0.x version of this function */
2502 if (increment != 0 && increment != gtk_adjustment_get_step_increment (adjustment) &&
2503 (direction == GTK_SPIN_STEP_FORWARD ||
2504 direction == GTK_SPIN_STEP_BACKWARD))
2506 if (direction == GTK_SPIN_STEP_BACKWARD && increment > 0)
2507 increment = -increment;
2508 direction = GTK_SPIN_USER_DEFINED;
2513 case GTK_SPIN_STEP_FORWARD:
2515 gtk_spin_button_real_spin (spin_button, gtk_adjustment_get_step_increment (adjustment));
2518 case GTK_SPIN_STEP_BACKWARD:
2520 gtk_spin_button_real_spin (spin_button, -gtk_adjustment_get_step_increment (adjustment));
2523 case GTK_SPIN_PAGE_FORWARD:
2525 gtk_spin_button_real_spin (spin_button, gtk_adjustment_get_page_increment (adjustment));
2528 case GTK_SPIN_PAGE_BACKWARD:
2530 gtk_spin_button_real_spin (spin_button, -gtk_adjustment_get_page_increment (adjustment));
2535 diff = gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_lower (adjustment);
2537 gtk_spin_button_real_spin (spin_button, -diff);
2542 diff = gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_value (adjustment);
2544 gtk_spin_button_real_spin (spin_button, diff);
2547 case GTK_SPIN_USER_DEFINED:
2550 gtk_spin_button_real_spin (spin_button, increment);
2559 * gtk_spin_button_update:
2560 * @spin_button: a #GtkSpinButton
2562 * Manually force an update of the spin button.
2565 gtk_spin_button_update (GtkSpinButton *spin_button)
2567 GtkSpinButtonPrivate *priv;
2572 g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
2574 priv = spin_button->priv;
2577 g_signal_emit (spin_button, spinbutton_signals[INPUT], 0, &val, &return_val);
2578 if (return_val == FALSE)
2580 return_val = gtk_spin_button_default_input (spin_button, &val);
2581 error = (return_val == GTK_INPUT_ERROR);
2583 else if (return_val == GTK_INPUT_ERROR)
2586 gtk_widget_queue_draw (GTK_WIDGET (spin_button));
2588 if (priv->update_policy == GTK_UPDATE_ALWAYS)
2590 if (val < gtk_adjustment_get_lower (priv->adjustment))
2591 val = gtk_adjustment_get_lower (priv->adjustment);
2592 else if (val > gtk_adjustment_get_upper (priv->adjustment))
2593 val = gtk_adjustment_get_upper (priv->adjustment);
2595 else if ((priv->update_policy == GTK_UPDATE_IF_VALID) &&
2597 val < gtk_adjustment_get_lower (priv->adjustment) ||
2598 val > gtk_adjustment_get_upper (priv->adjustment)))
2600 gtk_spin_button_value_changed (priv->adjustment, spin_button);
2604 if (priv->snap_to_ticks)
2605 gtk_spin_button_snap (spin_button, val);
2607 gtk_spin_button_set_value (spin_button, val);
2611 _gtk_spin_button_get_panel (GtkSpinButton *spin_button)
2613 return spin_button->priv->panel;