/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * GtkSpinButton widget for GTK+ * Copyright (C) 1998 Lars Hamann and Stefan Jeske * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include "config.h" #include "gtkspinbutton.h" #include #include #include #include #include #include "gtkadjustment.h" #include "gtkbindings.h" #include "gtkentryprivate.h" #include "gtkiconhelperprivate.h" #include "gtkicontheme.h" #include "gtkintl.h" #include "gtkmarshalers.h" #include "gtkorientable.h" #include "gtkorientableprivate.h" #include "gtkprivate.h" #include "gtksettings.h" #include "gtktypebuiltins.h" #include "gtkwidgetpath.h" #include "gtkwidgetprivate.h" #include "a11y/gtkspinbuttonaccessible.h" #define MIN_SPIN_BUTTON_WIDTH 30 #define MAX_TIMER_CALLS 5 #define EPSILON 1e-10 #define MAX_DIGITS 20 #define MIN_ARROW_WIDTH 6 #define TIMEOUT_INITIAL 500 #define TIMEOUT_REPEAT 50 /** * SECTION:gtkspinbutton * @Title: GtkSpinButton * @Short_description: Retrieve an integer or floating-point number from * the user * @See_also: #GtkEntry * * A #GtkSpinButton is an ideal way to allow the user to set the value of * some attribute. Rather than having to directly type a number into a * #GtkEntry, GtkSpinButton allows the user to click on one of two arrows * to increment or decrement the displayed value. A value can still be * typed in, with the bonus that it can be checked to ensure it is in a * given range. * * The main properties of a GtkSpinButton are through an adjustment. * See the #GtkAdjustment section for more details about an adjustment's * properties. * * ## Using a GtkSpinButton to get an integer * * |[ * // Provides a function to retrieve an integer value from a GtkSpinButton * // and creates a spin button to model percentage values. * * gint * grab_int_value (GtkSpinButton *button, * gpointer user_data) * { * return gtk_spin_button_get_value_as_int (button); * } * * void * create_integer_spin_button (void) * { * * GtkWidget *window, *button; * GtkAdjustment *adjustment; * * adjustment = gtk_adjustment_new (50.0, 0.0, 100.0, 1.0, 5.0, 0.0); * * window = gtk_window_new (GTK_WINDOW_TOPLEVEL); * gtk_container_set_border_width (GTK_CONTAINER (window), 5); * * // creates the spinbutton, with no decimal places * button = gtk_spin_button_new (adjustment, 1.0, 0); * gtk_container_add (GTK_CONTAINER (window), button); * * gtk_widget_show_all (window); * } * ]| * * ## Using a GtkSpinButton to get a floating point value * * |[ * // Provides a function to retrieve a floating point value from a * // GtkSpinButton, and creates a high precision spin button. * * gfloat * grab_float_value (GtkSpinButton *button, * gpointer user_data) * { * return gtk_spin_button_get_value (button); * } * * void * create_floating_spin_button (void) * { * GtkWidget *window, *button; * GtkAdjustment *adjustment; * * adjustment = gtk_adjustment_new (2.500, 0.0, 5.0, 0.001, 0.1, 0.0); * * window = gtk_window_new (GTK_WINDOW_TOPLEVEL); * gtk_container_set_border_width (GTK_CONTAINER (window), 5); * * // creates the spinbutton, with three decimal places * button = gtk_spin_button_new (adjustment, 0.001, 3); * gtk_container_add (GTK_CONTAINER (window), button); * * gtk_widget_show_all (window); * } * ]| */ struct _GtkSpinButtonPrivate { GtkAdjustment *adjustment; GdkWindow *down_panel; GdkWindow *up_panel; GtkStyleContext *down_panel_context; GtkStyleContext *up_panel_context; GdkWindow *click_child; GdkWindow *in_child; guint32 timer; GtkSpinButtonUpdatePolicy update_policy; gdouble climb_rate; gdouble timer_step; GtkOrientation orientation; GtkGesture *swipe_gesture; guint button : 2; guint digits : 10; guint need_timer : 1; guint numeric : 1; guint snap_to_ticks : 1; guint timer_calls : 3; guint wrap : 1; }; enum { PROP_0, PROP_ADJUSTMENT, PROP_CLIMB_RATE, PROP_DIGITS, PROP_SNAP_TO_TICKS, PROP_NUMERIC, PROP_WRAP, PROP_UPDATE_POLICY, PROP_VALUE, PROP_ORIENTATION }; /* Signals */ enum { INPUT, OUTPUT, VALUE_CHANGED, CHANGE_VALUE, WRAPPED, LAST_SIGNAL }; static void gtk_spin_button_editable_init (GtkEditableInterface *iface); static void gtk_spin_button_finalize (GObject *object); static void gtk_spin_button_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_spin_button_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gtk_spin_button_destroy (GtkWidget *widget); static void gtk_spin_button_map (GtkWidget *widget); static void gtk_spin_button_unmap (GtkWidget *widget); static void gtk_spin_button_realize (GtkWidget *widget); static void gtk_spin_button_unrealize (GtkWidget *widget); static void gtk_spin_button_get_preferred_width (GtkWidget *widget, gint *minimum, gint *natural); static void gtk_spin_button_get_preferred_height (GtkWidget *widget, gint *minimum, gint *natural); static void gtk_spin_button_get_preferred_height_and_baseline_for_width (GtkWidget *widget, gint width, gint *minimum, gint *natural, gint *minimum_baseline, gint *natural_baseline); static void gtk_spin_button_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static gint gtk_spin_button_draw (GtkWidget *widget, cairo_t *cr); static gint gtk_spin_button_button_press (GtkWidget *widget, GdkEventButton *event); static gint gtk_spin_button_button_release (GtkWidget *widget, GdkEventButton *event); static gint gtk_spin_button_motion_notify (GtkWidget *widget, GdkEventMotion *event); static gint gtk_spin_button_enter_notify (GtkWidget *widget, GdkEventCrossing *event); static gint gtk_spin_button_leave_notify (GtkWidget *widget, GdkEventCrossing *event); static gint gtk_spin_button_focus_out (GtkWidget *widget, GdkEventFocus *event); static void gtk_spin_button_grab_notify (GtkWidget *widget, gboolean was_grabbed); static void gtk_spin_button_state_flags_changed (GtkWidget *widget, GtkStateFlags previous_state); static void gtk_spin_button_style_updated (GtkWidget *widget); static gboolean gtk_spin_button_timer (GtkSpinButton *spin_button); static gboolean gtk_spin_button_stop_spinning (GtkSpinButton *spin); static void gtk_spin_button_value_changed (GtkAdjustment *adjustment, GtkSpinButton *spin_button); static gint gtk_spin_button_key_release (GtkWidget *widget, GdkEventKey *event); static gint gtk_spin_button_scroll (GtkWidget *widget, GdkEventScroll *event); static void gtk_spin_button_activate (GtkEntry *entry); static void gtk_spin_button_get_text_area_size (GtkEntry *entry, gint *x, gint *y, gint *width, gint *height); static void gtk_spin_button_get_frame_size (GtkEntry *entry, gint *x, gint *y, gint *width, gint *height); static void gtk_spin_button_set_orientation (GtkSpinButton *spin_button, GtkOrientation orientation); static void gtk_spin_button_snap (GtkSpinButton *spin_button, gdouble val); static void gtk_spin_button_insert_text (GtkEditable *editable, const gchar *new_text, gint new_text_length, gint *position); static void gtk_spin_button_real_spin (GtkSpinButton *spin_button, gdouble step); static void gtk_spin_button_real_change_value (GtkSpinButton *spin, GtkScrollType scroll); static gint gtk_spin_button_default_input (GtkSpinButton *spin_button, gdouble *new_val); static void gtk_spin_button_default_output (GtkSpinButton *spin_button); static guint spinbutton_signals[LAST_SIGNAL] = {0}; G_DEFINE_TYPE_WITH_CODE (GtkSpinButton, gtk_spin_button, GTK_TYPE_ENTRY, G_ADD_PRIVATE (GtkSpinButton) G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL) G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE, gtk_spin_button_editable_init)) #define add_spin_binding(binding_set, keyval, mask, scroll) \ gtk_binding_entry_add_signal (binding_set, keyval, mask, \ "change_value", 1, \ GTK_TYPE_SCROLL_TYPE, scroll) static void gtk_spin_button_class_init (GtkSpinButtonClass *class) { GObjectClass *gobject_class = G_OBJECT_CLASS (class); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); GtkEntryClass *entry_class = GTK_ENTRY_CLASS (class); GtkBindingSet *binding_set; gobject_class->finalize = gtk_spin_button_finalize; gobject_class->set_property = gtk_spin_button_set_property; gobject_class->get_property = gtk_spin_button_get_property; widget_class->destroy = gtk_spin_button_destroy; widget_class->map = gtk_spin_button_map; widget_class->unmap = gtk_spin_button_unmap; widget_class->realize = gtk_spin_button_realize; widget_class->unrealize = gtk_spin_button_unrealize; widget_class->get_preferred_width = gtk_spin_button_get_preferred_width; widget_class->get_preferred_height = gtk_spin_button_get_preferred_height; widget_class->get_preferred_height_and_baseline_for_width = gtk_spin_button_get_preferred_height_and_baseline_for_width; widget_class->size_allocate = gtk_spin_button_size_allocate; widget_class->draw = gtk_spin_button_draw; widget_class->scroll_event = gtk_spin_button_scroll; widget_class->button_press_event = gtk_spin_button_button_press; widget_class->button_release_event = gtk_spin_button_button_release; widget_class->motion_notify_event = gtk_spin_button_motion_notify; widget_class->key_release_event = gtk_spin_button_key_release; widget_class->enter_notify_event = gtk_spin_button_enter_notify; widget_class->leave_notify_event = gtk_spin_button_leave_notify; widget_class->focus_out_event = gtk_spin_button_focus_out; widget_class->grab_notify = gtk_spin_button_grab_notify; widget_class->state_flags_changed = gtk_spin_button_state_flags_changed; widget_class->style_updated = gtk_spin_button_style_updated; entry_class->activate = gtk_spin_button_activate; entry_class->get_text_area_size = gtk_spin_button_get_text_area_size; entry_class->get_frame_size = gtk_spin_button_get_frame_size; class->input = NULL; class->output = NULL; class->change_value = gtk_spin_button_real_change_value; g_object_class_install_property (gobject_class, PROP_ADJUSTMENT, g_param_spec_object ("adjustment", P_("Adjustment"), P_("The adjustment that holds the value of the spin button"), GTK_TYPE_ADJUSTMENT, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_CLIMB_RATE, g_param_spec_double ("climb-rate", P_("Climb Rate"), P_("The acceleration rate when you hold down a button"), 0.0, G_MAXDOUBLE, 0.0, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY)); g_object_class_install_property (gobject_class, PROP_DIGITS, g_param_spec_uint ("digits", P_("Digits"), P_("The number of decimal places to display"), 0, MAX_DIGITS, 0, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY)); g_object_class_install_property (gobject_class, PROP_SNAP_TO_TICKS, g_param_spec_boolean ("snap-to-ticks", P_("Snap to Ticks"), P_("Whether erroneous values are automatically changed to a spin button's nearest step increment"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY)); g_object_class_install_property (gobject_class, PROP_NUMERIC, g_param_spec_boolean ("numeric", P_("Numeric"), P_("Whether non-numeric characters should be ignored"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY)); g_object_class_install_property (gobject_class, PROP_WRAP, g_param_spec_boolean ("wrap", P_("Wrap"), P_("Whether a spin button should wrap upon reaching its limits"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY)); g_object_class_install_property (gobject_class, PROP_UPDATE_POLICY, g_param_spec_enum ("update-policy", P_("Update Policy"), P_("Whether the spin button should update always, or only when the value is legal"), GTK_TYPE_SPIN_BUTTON_UPDATE_POLICY, GTK_UPDATE_ALWAYS, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY)); g_object_class_install_property (gobject_class, PROP_VALUE, g_param_spec_double ("value", P_("Value"), P_("Reads the current value, or sets a new value"), -G_MAXDOUBLE, G_MAXDOUBLE, 0.0, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY)); g_object_class_override_property (gobject_class, PROP_ORIENTATION, "orientation"); gtk_widget_class_install_style_property_parser (widget_class, g_param_spec_enum ("shadow-type", "Shadow Type", P_("Style of bevel around the spin button"), GTK_TYPE_SHADOW_TYPE, GTK_SHADOW_IN, GTK_PARAM_READABLE), gtk_rc_property_parse_enum); /** * GtkSpinButton::input: * @spin_button: the object on which the signal was emitted * @new_value: (out) (type double): return location for the new value * * The ::input signal can be used to influence the conversion of * the users input into a double value. The signal handler is * expected to use gtk_entry_get_text() to retrieve the text of * the entry and set @new_value to the new value. * * The default conversion uses g_strtod(). * * Returns: %TRUE for a successful conversion, %FALSE if the input * was not handled, and %GTK_INPUT_ERROR if the conversion failed. */ spinbutton_signals[INPUT] = g_signal_new (I_("input"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkSpinButtonClass, input), NULL, NULL, _gtk_marshal_INT__POINTER, G_TYPE_INT, 1, G_TYPE_POINTER); /** * GtkSpinButton::output: * @spin_button: the object which received the signal * * The ::output signal can be used to change to formatting * of the value that is displayed in the spin buttons entry. * |[ * // show leading zeros * static gboolean * on_output (GtkSpinButton *spin, * gpointer data) * { * GtkAdjustment *adjustment; * gchar *text; * int value; * * adjustment = gtk_spin_button_get_adjustment (spin); * value = (int)gtk_adjustment_get_value (adjustment); * text = g_strdup_printf ("%02d", value); * gtk_entry_set_text (GTK_ENTRY (spin), text); * g_free (text); * * return TRUE; * } * ]| * * Returns: %TRUE if the value has been displayed */ spinbutton_signals[OUTPUT] = g_signal_new (I_("output"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkSpinButtonClass, output), _gtk_boolean_handled_accumulator, NULL, _gtk_marshal_BOOLEAN__VOID, G_TYPE_BOOLEAN, 0); spinbutton_signals[VALUE_CHANGED] = g_signal_new (I_("value-changed"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkSpinButtonClass, value_changed), NULL, NULL, _gtk_marshal_VOID__VOID, G_TYPE_NONE, 0); /** * GtkSpinButton::wrapped: * @spinbutton: the object which received the signal * * The wrapped signal is emitted right after the spinbutton wraps * from its maximum to minimum value or vice-versa. * * Since: 2.10 */ spinbutton_signals[WRAPPED] = g_signal_new (I_("wrapped"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkSpinButtonClass, wrapped), NULL, NULL, _gtk_marshal_VOID__VOID, G_TYPE_NONE, 0); /* Action signals */ spinbutton_signals[CHANGE_VALUE] = g_signal_new (I_("change-value"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkSpinButtonClass, change_value), NULL, NULL, _gtk_marshal_VOID__ENUM, G_TYPE_NONE, 1, GTK_TYPE_SCROLL_TYPE); binding_set = gtk_binding_set_by_class (class); add_spin_binding (binding_set, GDK_KEY_Up, 0, GTK_SCROLL_STEP_UP); add_spin_binding (binding_set, GDK_KEY_KP_Up, 0, GTK_SCROLL_STEP_UP); add_spin_binding (binding_set, GDK_KEY_Down, 0, GTK_SCROLL_STEP_DOWN); add_spin_binding (binding_set, GDK_KEY_KP_Down, 0, GTK_SCROLL_STEP_DOWN); add_spin_binding (binding_set, GDK_KEY_Page_Up, 0, GTK_SCROLL_PAGE_UP); add_spin_binding (binding_set, GDK_KEY_Page_Down, 0, GTK_SCROLL_PAGE_DOWN); add_spin_binding (binding_set, GDK_KEY_Page_Up, GDK_CONTROL_MASK, GTK_SCROLL_END); add_spin_binding (binding_set, GDK_KEY_Page_Down, GDK_CONTROL_MASK, GTK_SCROLL_START); gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_SPIN_BUTTON_ACCESSIBLE); } static void gtk_spin_button_editable_init (GtkEditableInterface *iface) { iface->insert_text = gtk_spin_button_insert_text; } static void gtk_spin_button_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (object); GtkSpinButtonPrivate *priv = spin_button->priv; switch (prop_id) { GtkAdjustment *adjustment; case PROP_ADJUSTMENT: adjustment = GTK_ADJUSTMENT (g_value_get_object (value)); if (!adjustment) adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0); gtk_spin_button_set_adjustment (spin_button, adjustment); break; case PROP_CLIMB_RATE: gtk_spin_button_configure (spin_button, priv->adjustment, g_value_get_double (value), priv->digits); break; case PROP_DIGITS: gtk_spin_button_configure (spin_button, priv->adjustment, priv->climb_rate, g_value_get_uint (value)); break; case PROP_SNAP_TO_TICKS: gtk_spin_button_set_snap_to_ticks (spin_button, g_value_get_boolean (value)); break; case PROP_NUMERIC: gtk_spin_button_set_numeric (spin_button, g_value_get_boolean (value)); break; case PROP_WRAP: gtk_spin_button_set_wrap (spin_button, g_value_get_boolean (value)); break; case PROP_UPDATE_POLICY: gtk_spin_button_set_update_policy (spin_button, g_value_get_enum (value)); break; case PROP_VALUE: gtk_spin_button_set_value (spin_button, g_value_get_double (value)); break; case PROP_ORIENTATION: gtk_spin_button_set_orientation (spin_button, g_value_get_enum (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_spin_button_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (object); GtkSpinButtonPrivate *priv = spin_button->priv; switch (prop_id) { case PROP_ADJUSTMENT: g_value_set_object (value, priv->adjustment); break; case PROP_CLIMB_RATE: g_value_set_double (value, priv->climb_rate); break; case PROP_DIGITS: g_value_set_uint (value, priv->digits); break; case PROP_SNAP_TO_TICKS: g_value_set_boolean (value, priv->snap_to_ticks); break; case PROP_NUMERIC: g_value_set_boolean (value, priv->numeric); break; case PROP_WRAP: g_value_set_boolean (value, priv->wrap); break; case PROP_UPDATE_POLICY: g_value_set_enum (value, priv->update_policy); break; case PROP_VALUE: g_value_set_double (value, gtk_adjustment_get_value (priv->adjustment)); break; case PROP_ORIENTATION: g_value_set_enum (value, priv->orientation); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void swipe_gesture_begin (GtkGesture *gesture, GdkEventSequence *sequence, GtkSpinButton *spin_button) { GdkEventSequence *current; const GdkEvent *event; current = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); event = gtk_gesture_get_last_event (gesture, current); if (event->any.window == spin_button->priv->up_panel || event->any.window == spin_button->priv->down_panel) gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_DENIED); gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_CLAIMED); gtk_widget_grab_focus (GTK_WIDGET (spin_button)); } static void swipe_gesture_update (GtkGesture *gesture, GdkEventSequence *sequence, GtkSpinButton *spin_button) { gdouble vel_y; gtk_gesture_swipe_get_velocity (GTK_GESTURE_SWIPE (gesture), NULL, &vel_y); gtk_spin_button_real_spin (spin_button, -vel_y / 20); } static void gtk_spin_button_init (GtkSpinButton *spin_button) { GtkSpinButtonPrivate *priv; GtkStyleContext *context; spin_button->priv = gtk_spin_button_get_instance_private (spin_button); priv = spin_button->priv; priv->adjustment = NULL; priv->down_panel = NULL; priv->up_panel = NULL; priv->timer = 0; priv->climb_rate = 0.0; priv->timer_step = 0.0; priv->update_policy = GTK_UPDATE_ALWAYS; priv->in_child = NULL; priv->click_child = NULL; priv->button = 0; priv->need_timer = FALSE; priv->timer_calls = 0; priv->digits = 0; priv->numeric = FALSE; priv->wrap = FALSE; priv->snap_to_ticks = FALSE; priv->orientation = GTK_ORIENTATION_HORIZONTAL; gtk_spin_button_set_adjustment (spin_button, gtk_adjustment_new (0, 0, 0, 0, 0, 0)); context = gtk_widget_get_style_context (GTK_WIDGET (spin_button)); gtk_style_context_add_class (context, GTK_STYLE_CLASS_SPINBUTTON); gtk_widget_add_events (GTK_WIDGET (spin_button), GDK_SCROLL_MASK); priv->swipe_gesture = gtk_gesture_swipe_new (GTK_WIDGET (spin_button)); gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (priv->swipe_gesture), GTK_PHASE_CAPTURE); g_signal_connect (priv->swipe_gesture, "begin", G_CALLBACK (swipe_gesture_begin), spin_button); g_signal_connect (priv->swipe_gesture, "update", G_CALLBACK (swipe_gesture_update), spin_button); } static void gtk_spin_button_finalize (GObject *object) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (object); GtkSpinButtonPrivate *priv = spin_button->priv; gtk_spin_button_set_adjustment (spin_button, NULL); if (priv->down_panel_context) g_object_unref (priv->down_panel_context); if (priv->up_panel_context) g_object_unref (priv->up_panel_context); g_object_unref (priv->swipe_gesture); G_OBJECT_CLASS (gtk_spin_button_parent_class)->finalize (object); } static void gtk_spin_button_destroy (GtkWidget *widget) { gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (widget)); GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->destroy (widget); } static void gtk_spin_button_map (GtkWidget *widget) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin_button->priv; if (gtk_widget_get_realized (widget) && !gtk_widget_get_mapped (widget)) { GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->map (widget); gdk_window_show (priv->down_panel); gdk_window_show (priv->up_panel); } } static void gtk_spin_button_unmap (GtkWidget *widget) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin_button->priv; if (gtk_widget_get_mapped (widget)) { gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (widget)); gdk_window_hide (priv->down_panel); gdk_window_hide (priv->up_panel); GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->unmap (widget); } } static void gtk_spin_button_panel_nthchildize_context (GtkSpinButton *spin_button, GtkStyleContext *context, gboolean is_down_panel) { GtkSpinButtonPrivate *priv = spin_button->priv; GtkWidget *widget = GTK_WIDGET (spin_button); GtkWidgetPath *path, *siblings_path; GtkTextDirection direction; gint up_pos, down_pos; /* We are a subclass of GtkEntry, which is not a GtkContainer, so we * have to emulate what gtk_container_get_path_for_child() would do * for the button panels */ path = _gtk_widget_create_path (widget); siblings_path = gtk_widget_path_new (); if (priv->orientation == GTK_ORIENTATION_HORIZONTAL) { direction = gtk_widget_get_direction (widget); /* flip children order for RTL */ if (direction == GTK_TEXT_DIR_RTL) { up_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON); down_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON); gtk_widget_path_append_type (siblings_path, GTK_TYPE_ENTRY); } else { gtk_widget_path_append_type (siblings_path, GTK_TYPE_ENTRY); down_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON); up_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON); } } else { up_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON); gtk_widget_path_append_type (siblings_path, GTK_TYPE_ENTRY); down_pos = gtk_widget_path_append_type (siblings_path, GTK_TYPE_SPIN_BUTTON); } gtk_widget_path_iter_add_class (siblings_path, up_pos, GTK_STYLE_CLASS_BUTTON); gtk_widget_path_iter_add_class (siblings_path, down_pos, GTK_STYLE_CLASS_BUTTON); /* this allows compatibility for themes that use .spinbutton.button */ gtk_widget_path_iter_add_class (siblings_path, up_pos, GTK_STYLE_CLASS_SPINBUTTON); gtk_widget_path_iter_add_class (siblings_path, down_pos, GTK_STYLE_CLASS_SPINBUTTON); if (is_down_panel) gtk_widget_path_append_with_siblings (path, siblings_path, down_pos); else gtk_widget_path_append_with_siblings (path, siblings_path, up_pos); gtk_style_context_set_path (context, path); gtk_widget_path_unref (path); gtk_widget_path_unref (siblings_path); } static gboolean gtk_spin_button_panel_at_limit (GtkSpinButton *spin_button, GdkWindow *panel) { GtkSpinButtonPrivate *priv = spin_button->priv; GdkWindow *effective_panel; if (priv->wrap) return FALSE; if (gtk_adjustment_get_step_increment (priv->adjustment) > 0) effective_panel = panel; else effective_panel = panel == priv->up_panel ? priv->down_panel : priv->up_panel; if (effective_panel == priv->up_panel && (gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment) <= EPSILON)) return TRUE; if (effective_panel == priv->down_panel && (gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment) <= EPSILON)) return TRUE; return FALSE; } static GtkStateFlags gtk_spin_button_panel_get_state (GtkSpinButton *spin_button, GdkWindow *panel) { GtkStateFlags state; GtkSpinButtonPrivate *priv = spin_button->priv; state = gtk_widget_get_state_flags (GTK_WIDGET (spin_button)); state &= ~(GTK_STATE_FLAG_ACTIVE | GTK_STATE_FLAG_PRELIGHT); if ((state & GTK_STATE_FLAG_INSENSITIVE) || gtk_spin_button_panel_at_limit (spin_button, panel) || !gtk_editable_get_editable (GTK_EDITABLE (spin_button))) { state |= GTK_STATE_FLAG_INSENSITIVE; } else { if (priv->click_child == panel) state |= GTK_STATE_FLAG_ACTIVE; else if (priv->in_child == panel && priv->click_child == NULL) state |= GTK_STATE_FLAG_PRELIGHT; } return state; } static GtkStyleContext * gtk_spin_button_panel_get_context (GtkSpinButton *spin_button, GdkWindow *panel) { GtkSpinButtonPrivate *priv = spin_button->priv; GtkStyleContext **contextp; contextp = (panel == priv->down_panel) ? &priv->down_panel_context : &priv->up_panel_context; if (*contextp == NULL) { *contextp = gtk_style_context_new (); gtk_spin_button_panel_nthchildize_context (spin_button, *contextp, panel == priv->down_panel); } return *contextp; } static void gtk_spin_button_panel_get_size (GtkSpinButton *spin_button, GdkWindow *panel, gint *width, gint *height) { GtkBorder button_padding, button_border; GtkStyleContext *context; GtkStateFlags state; gint icon_size, w, h; gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &w, &h); icon_size = MAX (w, h); context = gtk_spin_button_panel_get_context (spin_button, panel); state = gtk_spin_button_panel_get_state (spin_button, panel); gtk_style_context_get_padding (context, state, &button_padding); gtk_style_context_get_border (context, state, &button_border); if (width) *width = icon_size + button_padding.left + button_padding.right + button_border.left + button_border.right; if (height) *height = icon_size + button_padding.top + button_padding.bottom + button_border.top + button_border.bottom; } static void gtk_spin_button_panel_get_allocations (GtkSpinButton *spin_button, GtkAllocation *down_allocation_out, GtkAllocation *up_allocation_out) { GtkWidget *widget = GTK_WIDGET (spin_button); GtkSpinButtonPrivate *priv = spin_button->priv; GtkAllocation spin_allocation, down_allocation, up_allocation, allocation; GtkRequisition requisition; gint req_height; gint down_panel_width, down_panel_height; gint up_panel_width, up_panel_height; GtkStyleContext *context; GtkBorder border; gtk_widget_get_allocation (widget, &spin_allocation); gtk_widget_get_preferred_size (widget, &requisition, NULL); context = gtk_widget_get_style_context (GTK_WIDGET (spin_button)); gtk_style_context_get_border (context, GTK_STATE_FLAG_NORMAL, &border); gtk_spin_button_panel_get_size (spin_button, priv->down_panel, &down_panel_width, &down_panel_height); gtk_spin_button_panel_get_size (spin_button, priv->up_panel, &up_panel_width, &up_panel_height); if (priv->orientation == GTK_ORIENTATION_HORIZONTAL) { req_height = requisition.height - gtk_widget_get_margin_top (widget) - gtk_widget_get_margin_bottom (widget); /* both panels have the same size, and they're as tall as the entry allocation, * excluding margins */ allocation.height = MIN (req_height, spin_allocation.height) - border.top - border.bottom; allocation.y = spin_allocation.y + border.top + (spin_allocation.height - req_height) / 2; down_allocation = up_allocation = allocation; down_allocation.width = down_panel_width; up_allocation.width = up_panel_width; /* invert x axis allocation for RTL */ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) { up_allocation.x = spin_allocation.x + border.left; down_allocation.x = up_allocation.x + up_panel_width; } else { up_allocation.x = spin_allocation.x + spin_allocation.width - up_panel_width - border.right; down_allocation.x = up_allocation.x - down_panel_width; } } else { /* both panels have the same size, and they're as wide as the entry allocation */ allocation.width = spin_allocation.width; allocation.x = spin_allocation.x; down_allocation = up_allocation = allocation; down_allocation.height = down_panel_height; up_allocation.height = up_panel_height; up_allocation.y = spin_allocation.y; down_allocation.y = spin_allocation.y + spin_allocation.height - down_allocation.height; } if (down_allocation_out) *down_allocation_out = down_allocation; if (up_allocation_out) *up_allocation_out = up_allocation; } static void gtk_spin_button_panel_draw (GtkSpinButton *spin_button, cairo_t *cr, GdkWindow *panel) { GtkSpinButtonPrivate *priv = spin_button->priv; GtkStyleContext *context; GtkStateFlags state; GtkWidget *widget; gdouble width, height, x, y; gint icon_width, icon_height; GtkIconHelper *icon_helper; widget = GTK_WIDGET (spin_button); cairo_save (cr); gtk_cairo_transform_to_window (cr, widget, panel); context = gtk_spin_button_panel_get_context (spin_button, panel); state = gtk_spin_button_panel_get_state (spin_button, panel); gtk_style_context_set_state (context, state); height = gdk_window_get_height (panel); width = gdk_window_get_width (panel); icon_helper = _gtk_icon_helper_new (); _gtk_icon_helper_set_window (icon_helper, panel); _gtk_icon_helper_set_use_fallback (icon_helper, TRUE); if (panel == priv->down_panel) _gtk_icon_helper_set_icon_name (icon_helper, "list-remove-symbolic", GTK_ICON_SIZE_MENU); else _gtk_icon_helper_set_icon_name (icon_helper, "list-add-symbolic", GTK_ICON_SIZE_MENU); _gtk_icon_helper_get_size (icon_helper, context, &icon_width, &icon_height); gtk_render_background (context, cr, 0, 0, width, height); gtk_render_frame (context, cr, 0, 0, width, height); x = floor ((width - icon_width) / 2.0); y = floor ((height - icon_height) / 2.0); _gtk_icon_helper_draw (icon_helper, context, cr, x, y); cairo_restore (cr); g_object_unref (icon_helper); } static void gtk_spin_button_realize (GtkWidget *widget) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin_button->priv; GtkAllocation down_allocation, up_allocation; GdkWindowAttr attributes; gint attributes_mask; gboolean return_val; gtk_widget_set_events (widget, gtk_widget_get_events (widget) | GDK_KEY_RELEASE_MASK); GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->realize (widget); attributes.window_type = GDK_WINDOW_CHILD; attributes.wclass = GDK_INPUT_ONLY; attributes.visual = gtk_widget_get_visual (widget); attributes.event_mask = gtk_widget_get_events (widget); attributes.event_mask |= GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_ENTER_NOTIFY_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL; gtk_spin_button_panel_get_allocations (spin_button, &down_allocation, &up_allocation); /* create the left panel window */ attributes.x = down_allocation.x; attributes.y = down_allocation.y; attributes.width = down_allocation.width; attributes.height = down_allocation.height; priv->down_panel = gdk_window_new (gtk_widget_get_window (widget), &attributes, attributes_mask); gtk_widget_register_window (widget, priv->down_panel); /* create the right panel window */ attributes.x = up_allocation.x; attributes.y = up_allocation.y; attributes.width = up_allocation.width; attributes.height = up_allocation.height; priv->up_panel = gdk_window_new (gtk_widget_get_window (widget), &attributes, attributes_mask); gtk_widget_register_window (widget, priv->up_panel); return_val = FALSE; g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val); /* If output wasn't processed explicitly by the method connected to the * 'output' signal; and if we don't have any explicit 'text' set initially, * fallback to the default output. */ if (!return_val && (spin_button->priv->numeric || gtk_entry_get_text (GTK_ENTRY (spin_button)) == NULL)) gtk_spin_button_default_output (spin_button); gtk_widget_queue_resize (GTK_WIDGET (spin_button)); } static void gtk_spin_button_unrealize (GtkWidget *widget) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->unrealize (widget); if (priv->down_panel) { gtk_widget_unregister_window (widget, priv->down_panel); gdk_window_destroy (priv->down_panel); priv->down_panel = NULL; } if (priv->up_panel) { gtk_widget_unregister_window (widget, priv->up_panel); gdk_window_destroy (priv->up_panel); priv->up_panel = NULL; } } static void gtk_spin_button_set_orientation (GtkSpinButton *spin, GtkOrientation orientation) { GtkEntry *entry = GTK_ENTRY (spin); GtkSpinButtonPrivate *priv = spin->priv; if (priv->orientation == orientation) return; priv->orientation = orientation; _gtk_orientable_set_style_classes (GTK_ORIENTABLE (spin)); /* change alignment if it's the default */ if (priv->orientation == GTK_ORIENTATION_VERTICAL && gtk_entry_get_alignment (entry) == 0.0) gtk_entry_set_alignment (entry, 0.5); else if (priv->orientation == GTK_ORIENTATION_HORIZONTAL && gtk_entry_get_alignment (entry) == 0.5) gtk_entry_set_alignment (entry, 0.0); g_object_notify (G_OBJECT (spin), "orientation"); gtk_widget_queue_resize (GTK_WIDGET (spin)); } static gint measure_string_width (PangoLayout *layout, const gchar *string) { gint width; pango_layout_set_text (layout, string, -1); pango_layout_get_pixel_size (layout, &width, NULL); return width; } static gchar * gtk_spin_button_format_for_value (GtkSpinButton *spin_button, gdouble value) { GtkSpinButtonPrivate *priv = spin_button->priv; gchar *buf = g_strdup_printf ("%0.*f", priv->digits, value); return buf; } static void gtk_spin_button_get_preferred_width (GtkWidget *widget, gint *minimum, gint *natural) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin_button->priv; GtkEntry *entry = GTK_ENTRY (widget); GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->get_preferred_width (widget, minimum, natural); if (gtk_entry_get_width_chars (entry) < 0) { gint width, w; GtkBorder borders; PangoLayout *layout; gchar *str; layout = pango_layout_copy (gtk_entry_get_layout (entry)); /* Get max of MIN_SPIN_BUTTON_WIDTH, size of upper, size of lower */ width = MIN_SPIN_BUTTON_WIDTH; str = gtk_spin_button_format_for_value (spin_button, gtk_adjustment_get_upper (priv->adjustment)); w = measure_string_width (layout, str); width = MAX (width, w); g_free (str); str = gtk_spin_button_format_for_value (spin_button, gtk_adjustment_get_lower (priv->adjustment)); w = measure_string_width (layout, str); width = MAX (width, w); g_free (str); _gtk_entry_get_borders (entry, &borders); width += borders.left + borders.right; *minimum = width; *natural = width; g_object_unref (layout); } if (priv->orientation == GTK_ORIENTATION_HORIZONTAL) { gint down_panel_width; gint up_panel_width; gtk_spin_button_panel_get_size (spin_button, priv->down_panel, &down_panel_width, NULL); gtk_spin_button_panel_get_size (spin_button, priv->up_panel, &up_panel_width, NULL); *minimum += up_panel_width + down_panel_width; *natural += up_panel_width + down_panel_width; } } static void gtk_spin_button_get_preferred_height_and_baseline_for_width (GtkWidget *widget, gint width, gint *minimum, gint *natural, gint *minimum_baseline, gint *natural_baseline) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin_button->priv; GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->get_preferred_height_and_baseline_for_width (widget, width, minimum, natural, minimum_baseline, natural_baseline); if (priv->orientation == GTK_ORIENTATION_VERTICAL) { gint down_panel_height; gint up_panel_height; gtk_spin_button_panel_get_size (spin_button, priv->down_panel, NULL, &down_panel_height); gtk_spin_button_panel_get_size (spin_button, priv->up_panel, NULL, &up_panel_height); *minimum += up_panel_height + down_panel_height; *natural += up_panel_height + down_panel_height; if (minimum_baseline && *minimum_baseline != -1) *minimum_baseline += up_panel_height; if (natural_baseline && *natural_baseline != -1) *natural_baseline += up_panel_height; } } static void gtk_spin_button_get_preferred_height (GtkWidget *widget, gint *minimum, gint *natural) { gtk_spin_button_get_preferred_height_and_baseline_for_width (widget, -1, minimum, natural, NULL, NULL); } static void gtk_spin_button_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; GtkAllocation down_panel_allocation, up_panel_allocation; gtk_widget_set_allocation (widget, allocation); GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->size_allocate (widget, allocation); gtk_spin_button_panel_get_allocations (spin, &down_panel_allocation, &up_panel_allocation); if (gtk_widget_get_realized (widget)) { gdk_window_move_resize (priv->down_panel, down_panel_allocation.x, down_panel_allocation.y, down_panel_allocation.width, down_panel_allocation.height); gdk_window_move_resize (priv->up_panel, up_panel_allocation.x, up_panel_allocation.y, up_panel_allocation.width, up_panel_allocation.height); } gtk_widget_queue_draw (GTK_WIDGET (spin)); } static gint gtk_spin_button_draw (GtkWidget *widget, cairo_t *cr) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->draw (widget, cr); /* Draw the buttons */ gtk_spin_button_panel_draw (spin, cr, priv->down_panel); gtk_spin_button_panel_draw (spin, cr, priv->up_panel); return FALSE; } static gint gtk_spin_button_enter_notify (GtkWidget *widget, GdkEventCrossing *event) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; if ((event->window == priv->down_panel) || (event->window == priv->up_panel)) { priv->in_child = event->window; gtk_widget_queue_draw (GTK_WIDGET (spin)); } return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->enter_notify_event (widget, event); } static gint gtk_spin_button_leave_notify (GtkWidget *widget, GdkEventCrossing *event) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; if (priv->in_child != NULL) { priv->in_child = NULL; gtk_widget_queue_draw (GTK_WIDGET (spin)); } return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->leave_notify_event (widget, event); } static gint gtk_spin_button_focus_out (GtkWidget *widget, GdkEventFocus *event) { if (gtk_editable_get_editable (GTK_EDITABLE (widget))) gtk_spin_button_update (GTK_SPIN_BUTTON (widget)); return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->focus_out_event (widget, event); } static void gtk_spin_button_grab_notify (GtkWidget *widget, gboolean was_grabbed) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); if (!was_grabbed) { if (gtk_spin_button_stop_spinning (spin)) gtk_widget_queue_draw (GTK_WIDGET (spin)); } } static void gtk_spin_button_state_flags_changed (GtkWidget *widget, GtkStateFlags previous_state) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); if (!gtk_widget_is_sensitive (widget)) { if (gtk_spin_button_stop_spinning (spin)) gtk_widget_queue_draw (GTK_WIDGET (spin)); } } static void gtk_spin_button_style_updated (GtkWidget *widget) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; if (priv->down_panel_context) gtk_spin_button_panel_nthchildize_context (spin, priv->down_panel_context, TRUE); if (priv->up_panel_context) gtk_spin_button_panel_nthchildize_context (spin, priv->up_panel_context, FALSE); GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->style_updated (widget); } static gint gtk_spin_button_scroll (GtkWidget *widget, GdkEventScroll *event) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; if (event->direction == GDK_SCROLL_UP) { if (!gtk_widget_has_focus (widget)) gtk_widget_grab_focus (widget); gtk_spin_button_real_spin (spin, gtk_adjustment_get_step_increment (priv->adjustment)); } else if (event->direction == GDK_SCROLL_DOWN) { if (!gtk_widget_has_focus (widget)) gtk_widget_grab_focus (widget); gtk_spin_button_real_spin (spin, -gtk_adjustment_get_step_increment (priv->adjustment)); } else return FALSE; return TRUE; } static gboolean gtk_spin_button_stop_spinning (GtkSpinButton *spin) { GtkSpinButtonPrivate *priv = spin->priv; gboolean did_spin = FALSE; if (priv->timer) { g_source_remove (priv->timer); priv->timer = 0; priv->need_timer = FALSE; did_spin = TRUE; } priv->button = 0; priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment); priv->timer_calls = 0; priv->click_child = NULL; return did_spin; } static void start_spinning (GtkSpinButton *spin, GdkWindow *click_child, gdouble step) { GtkSpinButtonPrivate *priv; priv = spin->priv; priv->click_child = click_child; if (!priv->timer) { priv->timer_step = step; priv->need_timer = TRUE; priv->timer = gdk_threads_add_timeout (TIMEOUT_INITIAL, (GSourceFunc) gtk_spin_button_timer, (gpointer) spin); g_source_set_name_by_id (priv->timer, "[gtk+] gtk_spin_button_timer"); } gtk_spin_button_real_spin (spin, click_child == priv->up_panel ? step : -step); gtk_widget_queue_draw (GTK_WIDGET (spin)); } static gint gtk_spin_button_button_press (GtkWidget *widget, GdkEventButton *event) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; if (!priv->button) { if ((event->window == priv->down_panel) || (event->window == priv->up_panel)) { if (!gtk_widget_has_focus (widget)) gtk_widget_grab_focus (widget); priv->button = event->button; if (gtk_editable_get_editable (GTK_EDITABLE (widget))) { gtk_spin_button_update (spin); if (event->button == GDK_BUTTON_PRIMARY) start_spinning (spin, event->window, gtk_adjustment_get_step_increment (priv->adjustment)); else if (event->button == GDK_BUTTON_MIDDLE) start_spinning (spin, event->window, gtk_adjustment_get_page_increment (priv->adjustment)); else priv->click_child = event->window; } else gtk_widget_error_bell (widget); return TRUE; } else { return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->button_press_event (widget, event); } } return FALSE; } static gint gtk_spin_button_button_release (GtkWidget *widget, GdkEventButton *event) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; if (event->button == priv->button) { GdkWindow *click_child = priv->click_child; gtk_spin_button_stop_spinning (spin); if (event->button == GDK_BUTTON_SECONDARY) { gdouble diff; if (event->window == priv->down_panel && click_child == event->window) { diff = gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment); if (diff > EPSILON) gtk_spin_button_real_spin (spin, -diff); } else if (event->window == priv->up_panel && click_child == event->window) { diff = gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment); if (diff > EPSILON) gtk_spin_button_real_spin (spin, diff); } } gtk_widget_queue_draw (GTK_WIDGET (spin)); return TRUE; } else { return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->button_release_event (widget, event); } } static gint gtk_spin_button_motion_notify (GtkWidget *widget, GdkEventMotion *event) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; if (priv->button) return FALSE; if (event->window == priv->down_panel || event->window == priv->up_panel) { gdk_event_request_motions (event); priv->in_child = event->window; gtk_widget_queue_draw (widget); return FALSE; } if (gtk_gesture_is_recognized (priv->swipe_gesture)) return TRUE; return GTK_WIDGET_CLASS (gtk_spin_button_parent_class)->motion_notify_event (widget, event); } static gint gtk_spin_button_timer (GtkSpinButton *spin_button) { GtkSpinButtonPrivate *priv = spin_button->priv; gboolean retval = FALSE; if (priv->timer) { if (priv->click_child == priv->up_panel) gtk_spin_button_real_spin (spin_button, priv->timer_step); else gtk_spin_button_real_spin (spin_button, -priv->timer_step); if (priv->need_timer) { priv->need_timer = FALSE; priv->timer = gdk_threads_add_timeout (TIMEOUT_REPEAT, (GSourceFunc) gtk_spin_button_timer, (gpointer) spin_button); g_source_set_name_by_id (priv->timer, "[gtk+] gtk_spin_button_timer"); } else { if (priv->climb_rate > 0.0 && priv->timer_step < gtk_adjustment_get_page_increment (priv->adjustment)) { if (priv->timer_calls < MAX_TIMER_CALLS) priv->timer_calls++; else { priv->timer_calls = 0; priv->timer_step += priv->climb_rate; } } retval = TRUE; } } return retval; } static void gtk_spin_button_value_changed (GtkAdjustment *adjustment, GtkSpinButton *spin_button) { gboolean return_val; g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment)); return_val = FALSE; g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val); if (return_val == FALSE) gtk_spin_button_default_output (spin_button); g_signal_emit (spin_button, spinbutton_signals[VALUE_CHANGED], 0); gtk_widget_queue_draw (GTK_WIDGET (spin_button)); g_object_notify (G_OBJECT (spin_button), "value"); } static void gtk_spin_button_real_change_value (GtkSpinButton *spin, GtkScrollType scroll) { GtkSpinButtonPrivate *priv = spin->priv; gdouble old_value; if (!gtk_editable_get_editable (GTK_EDITABLE (spin))) { gtk_widget_error_bell (GTK_WIDGET (spin)); return; } /* When the key binding is activated, there may be an outstanding * value, so we first have to commit what is currently written in * the spin buttons text entry. See #106574 */ gtk_spin_button_update (spin); old_value = gtk_adjustment_get_value (priv->adjustment); switch (scroll) { case GTK_SCROLL_STEP_BACKWARD: case GTK_SCROLL_STEP_DOWN: case GTK_SCROLL_STEP_LEFT: gtk_spin_button_real_spin (spin, -priv->timer_step); if (priv->climb_rate > 0.0 && priv->timer_step < gtk_adjustment_get_page_increment (priv->adjustment)) { if (priv->timer_calls < MAX_TIMER_CALLS) priv->timer_calls++; else { priv->timer_calls = 0; priv->timer_step += priv->climb_rate; } } break; case GTK_SCROLL_STEP_FORWARD: case GTK_SCROLL_STEP_UP: case GTK_SCROLL_STEP_RIGHT: gtk_spin_button_real_spin (spin, priv->timer_step); if (priv->climb_rate > 0.0 && priv->timer_step < gtk_adjustment_get_page_increment (priv->adjustment)) { if (priv->timer_calls < MAX_TIMER_CALLS) priv->timer_calls++; else { priv->timer_calls = 0; priv->timer_step += priv->climb_rate; } } break; case GTK_SCROLL_PAGE_BACKWARD: case GTK_SCROLL_PAGE_DOWN: case GTK_SCROLL_PAGE_LEFT: gtk_spin_button_real_spin (spin, -gtk_adjustment_get_page_increment (priv->adjustment)); break; case GTK_SCROLL_PAGE_FORWARD: case GTK_SCROLL_PAGE_UP: case GTK_SCROLL_PAGE_RIGHT: gtk_spin_button_real_spin (spin, gtk_adjustment_get_page_increment (priv->adjustment)); break; case GTK_SCROLL_START: { gdouble diff = gtk_adjustment_get_value (priv->adjustment) - gtk_adjustment_get_lower (priv->adjustment); if (diff > EPSILON) gtk_spin_button_real_spin (spin, -diff); break; } case GTK_SCROLL_END: { gdouble diff = gtk_adjustment_get_upper (priv->adjustment) - gtk_adjustment_get_value (priv->adjustment); if (diff > EPSILON) gtk_spin_button_real_spin (spin, diff); break; } default: g_warning ("Invalid scroll type %d for GtkSpinButton::change-value", scroll); break; } gtk_spin_button_update (spin); if (gtk_adjustment_get_value (priv->adjustment) == old_value) gtk_widget_error_bell (GTK_WIDGET (spin)); } static gint gtk_spin_button_key_release (GtkWidget *widget, GdkEventKey *event) { GtkSpinButton *spin = GTK_SPIN_BUTTON (widget); GtkSpinButtonPrivate *priv = spin->priv; /* We only get a release at the end of a key repeat run, so reset the timer_step */ priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment); priv->timer_calls = 0; return TRUE; } static void gtk_spin_button_snap (GtkSpinButton *spin_button, gdouble val) { GtkSpinButtonPrivate *priv = spin_button->priv; gdouble inc; gdouble tmp; inc = gtk_adjustment_get_step_increment (priv->adjustment); if (inc == 0) return; tmp = (val - gtk_adjustment_get_lower (priv->adjustment)) / inc; if (tmp - floor (tmp) < ceil (tmp) - tmp) val = gtk_adjustment_get_lower (priv->adjustment) + floor (tmp) * inc; else val = gtk_adjustment_get_lower (priv->adjustment) + ceil (tmp) * inc; gtk_spin_button_set_value (spin_button, val); } static void gtk_spin_button_activate (GtkEntry *entry) { if (gtk_editable_get_editable (GTK_EDITABLE (entry))) gtk_spin_button_update (GTK_SPIN_BUTTON (entry)); /* Chain up so that entry->activates_default is honored */ GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->activate (entry); } static void gtk_spin_button_get_frame_size (GtkEntry *entry, gint *x, gint *y, gint *width, gint *height) { GtkSpinButtonPrivate *priv = GTK_SPIN_BUTTON (entry)->priv; gint up_panel_width, up_panel_height; gint down_panel_width, down_panel_height; gtk_spin_button_panel_get_size (GTK_SPIN_BUTTON (entry), priv->up_panel, &up_panel_width, &up_panel_height); gtk_spin_button_panel_get_size (GTK_SPIN_BUTTON (entry), priv->down_panel, &down_panel_width, &down_panel_height); GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->get_frame_size (entry, x, y, width, height); if (priv->orientation == GTK_ORIENTATION_VERTICAL) { if (y) *y += up_panel_height; if (height) *height -= up_panel_height + down_panel_height; } } static void gtk_spin_button_get_text_area_size (GtkEntry *entry, gint *x, gint *y, gint *width, gint *height) { GtkSpinButtonPrivate *priv = GTK_SPIN_BUTTON (entry)->priv; gint up_panel_width, up_panel_height; gint down_panel_width, down_panel_height; gtk_spin_button_panel_get_size (GTK_SPIN_BUTTON (entry), priv->up_panel, &up_panel_width, &up_panel_height); gtk_spin_button_panel_get_size (GTK_SPIN_BUTTON (entry), priv->down_panel, &down_panel_width, &down_panel_height); GTK_ENTRY_CLASS (gtk_spin_button_parent_class)->get_text_area_size (entry, x, y, width, height); if (priv->orientation == GTK_ORIENTATION_HORIZONTAL) { if (gtk_widget_get_direction (GTK_WIDGET (entry)) == GTK_TEXT_DIR_RTL) { if (x) *x += up_panel_width + down_panel_width; } if (width) *width -= up_panel_width + down_panel_width; } else { if (y) *y += up_panel_height; if (height) *height -= up_panel_height + down_panel_height; } } static void gtk_spin_button_insert_text (GtkEditable *editable, const gchar *new_text, gint new_text_length, gint *position) { GtkEntry *entry = GTK_ENTRY (editable); GtkSpinButton *spin = GTK_SPIN_BUTTON (editable); GtkSpinButtonPrivate *priv = spin->priv; GtkEditableInterface *parent_editable_iface; parent_editable_iface = g_type_interface_peek (gtk_spin_button_parent_class, GTK_TYPE_EDITABLE); if (priv->numeric) { struct lconv *lc; gboolean sign; gint dotpos = -1; gint i; guint32 pos_sign; guint32 neg_sign; gint entry_length; const gchar *entry_text; entry_length = gtk_entry_get_text_length (entry); entry_text = gtk_entry_get_text (entry); lc = localeconv (); if (*(lc->negative_sign)) neg_sign = *(lc->negative_sign); else neg_sign = '-'; if (*(lc->positive_sign)) pos_sign = *(lc->positive_sign); else pos_sign = '+'; #ifdef G_OS_WIN32 /* Workaround for bug caused by some Windows application messing * up the positive sign of the current locale, more specifically * HKEY_CURRENT_USER\Control Panel\International\sPositiveSign. * See bug #330743 and for instance * http://www.msnewsgroups.net/group/microsoft.public.dotnet.languages.csharp/topic36024.aspx * * I don't know if the positive sign always gets bogusly set to * a digit when the above Registry value is corrupted as * described. (In my test case, it got set to "8", and in the * bug report above it presumably was set ot "0".) Probably it * might get set to almost anything? So how to distinguish a * bogus value from some correct one for some locale? That is * probably hard, but at least we should filter out the * digits... */ if (pos_sign >= '0' && pos_sign <= '9') pos_sign = '+'; #endif for (sign=0, i=0; idecimal_point)) { dotpos = i; break; } if (dotpos > -1 && *position > dotpos && (gint)priv->digits - entry_length + dotpos - new_text_length + 1 < 0) return; for (i = 0; i < new_text_length; i++) { if (new_text[i] == neg_sign || new_text[i] == pos_sign) { if (sign || (*position) || i) return; sign = TRUE; } else if (new_text[i] == *(lc->decimal_point)) { if (!priv->digits || dotpos > -1 || (new_text_length - 1 - i + entry_length - *position > (gint)priv->digits)) return; dotpos = *position + i; } else if (new_text[i] < 0x30 || new_text[i] > 0x39) return; } } parent_editable_iface->insert_text (editable, new_text, new_text_length, position); } static void gtk_spin_button_real_spin (GtkSpinButton *spin_button, gdouble increment) { GtkSpinButtonPrivate *priv = spin_button->priv; GtkAdjustment *adjustment; gdouble new_value = 0.0; gboolean wrapped = FALSE; adjustment = priv->adjustment; new_value = gtk_adjustment_get_value (adjustment) + increment; if (increment > 0) { if (priv->wrap) { if (fabs (gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_upper (adjustment)) < EPSILON) { new_value = gtk_adjustment_get_lower (adjustment); wrapped = TRUE; } else if (new_value > gtk_adjustment_get_upper (adjustment)) new_value = gtk_adjustment_get_upper (adjustment); } else new_value = MIN (new_value, gtk_adjustment_get_upper (adjustment)); } else if (increment < 0) { if (priv->wrap) { if (fabs (gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_lower (adjustment)) < EPSILON) { new_value = gtk_adjustment_get_upper (adjustment); wrapped = TRUE; } else if (new_value < gtk_adjustment_get_lower (adjustment)) new_value = gtk_adjustment_get_lower (adjustment); } else new_value = MAX (new_value, gtk_adjustment_get_lower (adjustment)); } if (fabs (new_value - gtk_adjustment_get_value (adjustment)) > EPSILON) gtk_adjustment_set_value (adjustment, new_value); if (wrapped) g_signal_emit (spin_button, spinbutton_signals[WRAPPED], 0); gtk_widget_queue_draw (GTK_WIDGET (spin_button)); } static gint gtk_spin_button_default_input (GtkSpinButton *spin_button, gdouble *new_val) { gchar *err = NULL; *new_val = g_strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &err); if (*err) return GTK_INPUT_ERROR; else return FALSE; } static void gtk_spin_button_default_output (GtkSpinButton *spin_button) { GtkSpinButtonPrivate *priv = spin_button->priv; gchar *buf = gtk_spin_button_format_for_value (spin_button, gtk_adjustment_get_value (priv->adjustment)); if (strcmp (buf, gtk_entry_get_text (GTK_ENTRY (spin_button)))) gtk_entry_set_text (GTK_ENTRY (spin_button), buf); g_free (buf); } /*********************************************************** *********************************************************** *** Public interface *** *********************************************************** ***********************************************************/ /** * gtk_spin_button_configure: * @spin_button: a #GtkSpinButton * @adjustment: (allow-none): a #GtkAdjustment * @climb_rate: the new climb rate * @digits: the number of decimal places to display in the spin button * * Changes the properties of an existing spin button. The adjustment, * climb rate, and number of decimal places are all changed accordingly, * after this function call. */ void gtk_spin_button_configure (GtkSpinButton *spin_button, GtkAdjustment *adjustment, gdouble climb_rate, guint digits) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; if (adjustment) gtk_spin_button_set_adjustment (spin_button, adjustment); else adjustment = priv->adjustment; g_object_freeze_notify (G_OBJECT (spin_button)); if (priv->digits != digits) { priv->digits = digits; g_object_notify (G_OBJECT (spin_button), "digits"); } if (priv->climb_rate != climb_rate) { priv->climb_rate = climb_rate; g_object_notify (G_OBJECT (spin_button), "climb-rate"); } g_object_thaw_notify (G_OBJECT (spin_button)); gtk_adjustment_value_changed (adjustment); } /** * gtk_spin_button_new: * @adjustment: (allow-none): the #GtkAdjustment object that this spin * button should use, or %NULL * @climb_rate: specifies how much the spin button changes when an arrow * is clicked on * @digits: the number of decimal places to display * * Creates a new #GtkSpinButton. * * Returns: The new spin button as a #GtkWidget */ GtkWidget * gtk_spin_button_new (GtkAdjustment *adjustment, gdouble climb_rate, guint digits) { GtkSpinButton *spin; if (adjustment) g_return_val_if_fail (GTK_IS_ADJUSTMENT (adjustment), NULL); spin = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL); gtk_spin_button_configure (spin, adjustment, climb_rate, digits); return GTK_WIDGET (spin); } /** * gtk_spin_button_new_with_range: * @min: Minimum allowable value * @max: Maximum allowable value * @step: Increment added or subtracted by spinning the widget * * This is a convenience constructor that allows creation of a numeric * #GtkSpinButton without manually creating an adjustment. The value is * initially set to the minimum value and a page increment of 10 * @step * is the default. The precision of the spin button is equivalent to the * precision of @step. * * Note that the way in which the precision is derived works best if @step * is a power of ten. If the resulting precision is not suitable for your * needs, use gtk_spin_button_set_digits() to correct it. * * Returns: The new spin button as a #GtkWidget */ GtkWidget * gtk_spin_button_new_with_range (gdouble min, gdouble max, gdouble step) { GtkAdjustment *adjustment; GtkSpinButton *spin; gint digits; g_return_val_if_fail (min <= max, NULL); g_return_val_if_fail (step != 0.0, NULL); spin = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL); adjustment = gtk_adjustment_new (min, min, max, step, 10 * step, 0); if (fabs (step) >= 1.0 || step == 0.0) digits = 0; else { digits = abs ((gint) floor (log10 (fabs (step)))); if (digits > MAX_DIGITS) digits = MAX_DIGITS; } gtk_spin_button_configure (spin, adjustment, step, digits); gtk_spin_button_set_numeric (spin, TRUE); return GTK_WIDGET (spin); } /* Callback used when the spin button's adjustment changes. * We need to redraw the arrows when the adjustment’s range * changes, and reevaluate our size request. */ static void adjustment_changed_cb (GtkAdjustment *adjustment, gpointer data) { GtkSpinButton *spin_button = GTK_SPIN_BUTTON (data); GtkSpinButtonPrivate *priv = spin_button->priv; priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment); gtk_widget_queue_resize (GTK_WIDGET (spin_button)); } /** * gtk_spin_button_set_adjustment: * @spin_button: a #GtkSpinButton * @adjustment: a #GtkAdjustment to replace the existing adjustment * * Replaces the #GtkAdjustment associated with @spin_button. */ void gtk_spin_button_set_adjustment (GtkSpinButton *spin_button, GtkAdjustment *adjustment) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; if (priv->adjustment != adjustment) { if (priv->adjustment) { g_signal_handlers_disconnect_by_func (priv->adjustment, gtk_spin_button_value_changed, spin_button); g_signal_handlers_disconnect_by_func (priv->adjustment, adjustment_changed_cb, spin_button); g_object_unref (priv->adjustment); } priv->adjustment = adjustment; if (adjustment) { g_object_ref_sink (adjustment); g_signal_connect (adjustment, "value-changed", G_CALLBACK (gtk_spin_button_value_changed), spin_button); g_signal_connect (adjustment, "changed", G_CALLBACK (adjustment_changed_cb), spin_button); priv->timer_step = gtk_adjustment_get_step_increment (priv->adjustment); } gtk_widget_queue_resize (GTK_WIDGET (spin_button)); } g_object_notify (G_OBJECT (spin_button), "adjustment"); } /** * gtk_spin_button_get_adjustment: * @spin_button: a #GtkSpinButton * * Get the adjustment associated with a #GtkSpinButton * * Returns: (transfer none): the #GtkAdjustment of @spin_button **/ GtkAdjustment * gtk_spin_button_get_adjustment (GtkSpinButton *spin_button) { g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), NULL); return spin_button->priv->adjustment; } /** * gtk_spin_button_set_digits: * @spin_button: a #GtkSpinButton * @digits: the number of digits after the decimal point to be displayed for the spin button’s value * * Set the precision to be displayed by @spin_button. Up to 20 digit precision * is allowed. **/ void gtk_spin_button_set_digits (GtkSpinButton *spin_button, guint digits) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; if (priv->digits != digits) { priv->digits = digits; gtk_spin_button_value_changed (priv->adjustment, spin_button); g_object_notify (G_OBJECT (spin_button), "digits"); /* since lower/upper may have changed */ gtk_widget_queue_resize (GTK_WIDGET (spin_button)); } } /** * gtk_spin_button_get_digits: * @spin_button: a #GtkSpinButton * * Fetches the precision of @spin_button. See gtk_spin_button_set_digits(). * * Returns: the current precision **/ guint gtk_spin_button_get_digits (GtkSpinButton *spin_button) { g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0); return spin_button->priv->digits; } /** * gtk_spin_button_set_increments: * @spin_button: a #GtkSpinButton * @step: increment applied for a button 1 press. * @page: increment applied for a button 2 press. * * Sets the step and page increments for spin_button. This affects how * quickly the value changes when the spin button’s arrows are activated. **/ void gtk_spin_button_set_increments (GtkSpinButton *spin_button, gdouble step, gdouble page) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; gtk_adjustment_configure (priv->adjustment, gtk_adjustment_get_value (priv->adjustment), gtk_adjustment_get_lower (priv->adjustment), gtk_adjustment_get_upper (priv->adjustment), step, page, gtk_adjustment_get_page_size (priv->adjustment)); } /** * gtk_spin_button_get_increments: * @spin_button: a #GtkSpinButton * @step: (out) (allow-none): location to store step increment, or %NULL * @page: (out) (allow-none): location to store page increment, or %NULL * * Gets the current step and page the increments used by @spin_button. See * gtk_spin_button_set_increments(). **/ void gtk_spin_button_get_increments (GtkSpinButton *spin_button, gdouble *step, gdouble *page) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; if (step) *step = gtk_adjustment_get_step_increment (priv->adjustment); if (page) *page = gtk_adjustment_get_page_increment (priv->adjustment); } /** * gtk_spin_button_set_range: * @spin_button: a #GtkSpinButton * @min: minimum allowable value * @max: maximum allowable value * * Sets the minimum and maximum allowable values for @spin_button. * * If the current value is outside this range, it will be adjusted * to fit within the range, otherwise it will remain unchanged. */ void gtk_spin_button_set_range (GtkSpinButton *spin_button, gdouble min, gdouble max) { GtkAdjustment *adjustment; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); adjustment = spin_button->priv->adjustment; gtk_adjustment_configure (adjustment, CLAMP (gtk_adjustment_get_value (adjustment), min, max), min, max, gtk_adjustment_get_step_increment (adjustment), gtk_adjustment_get_page_increment (adjustment), gtk_adjustment_get_page_size (adjustment)); } /** * gtk_spin_button_get_range: * @spin_button: a #GtkSpinButton * @min: (out) (allow-none): location to store minimum allowed value, or %NULL * @max: (out) (allow-none): location to store maximum allowed value, or %NULL * * Gets the range allowed for @spin_button. * See gtk_spin_button_set_range(). */ void gtk_spin_button_get_range (GtkSpinButton *spin_button, gdouble *min, gdouble *max) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; if (min) *min = gtk_adjustment_get_lower (priv->adjustment); if (max) *max = gtk_adjustment_get_upper (priv->adjustment); } /** * gtk_spin_button_get_value: * @spin_button: a #GtkSpinButton * * Get the value in the @spin_button. * * Returns: the value of @spin_button */ gdouble gtk_spin_button_get_value (GtkSpinButton *spin_button) { g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0.0); return gtk_adjustment_get_value (spin_button->priv->adjustment); } /** * gtk_spin_button_get_value_as_int: * @spin_button: a #GtkSpinButton * * Get the value @spin_button represented as an integer. * * Returns: the value of @spin_button */ gint gtk_spin_button_get_value_as_int (GtkSpinButton *spin_button) { GtkSpinButtonPrivate *priv; gdouble val; g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0); priv = spin_button->priv; val = gtk_adjustment_get_value (priv->adjustment); if (val - floor (val) < ceil (val) - val) return floor (val); else return ceil (val); } /** * gtk_spin_button_set_value: * @spin_button: a #GtkSpinButton * @value: the new value * * Sets the value of @spin_button. */ void gtk_spin_button_set_value (GtkSpinButton *spin_button, gdouble value) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; if (fabs (value - gtk_adjustment_get_value (priv->adjustment)) > EPSILON) gtk_adjustment_set_value (priv->adjustment, value); else { gint return_val = FALSE; g_signal_emit (spin_button, spinbutton_signals[OUTPUT], 0, &return_val); if (!return_val) gtk_spin_button_default_output (spin_button); } } /** * gtk_spin_button_set_update_policy: * @spin_button: a #GtkSpinButton * @policy: a #GtkSpinButtonUpdatePolicy value * * Sets the update behavior of a spin button. * This determines whether the spin button is always updated * or only when a valid value is set. */ void gtk_spin_button_set_update_policy (GtkSpinButton *spin_button, GtkSpinButtonUpdatePolicy policy) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; if (priv->update_policy != policy) { priv->update_policy = policy; g_object_notify (G_OBJECT (spin_button), "update-policy"); } } /** * gtk_spin_button_get_update_policy: * @spin_button: a #GtkSpinButton * * Gets the update behavior of a spin button. * See gtk_spin_button_set_update_policy(). * * Returns: the current update policy */ GtkSpinButtonUpdatePolicy gtk_spin_button_get_update_policy (GtkSpinButton *spin_button) { g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), GTK_UPDATE_ALWAYS); return spin_button->priv->update_policy; } /** * gtk_spin_button_set_numeric: * @spin_button: a #GtkSpinButton * @numeric: flag indicating if only numeric entry is allowed * * Sets the flag that determines if non-numeric text can be typed * into the spin button. */ void gtk_spin_button_set_numeric (GtkSpinButton *spin_button, gboolean numeric) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; numeric = numeric != FALSE; if (priv->numeric != numeric) { priv->numeric = numeric; g_object_notify (G_OBJECT (spin_button), "numeric"); } } /** * gtk_spin_button_get_numeric: * @spin_button: a #GtkSpinButton * * Returns whether non-numeric text can be typed into the spin button. * See gtk_spin_button_set_numeric(). * * Returns: %TRUE if only numeric text can be entered */ gboolean gtk_spin_button_get_numeric (GtkSpinButton *spin_button) { g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE); return spin_button->priv->numeric; } /** * gtk_spin_button_set_wrap: * @spin_button: a #GtkSpinButton * @wrap: a flag indicating if wrapping behavior is performed * * Sets the flag that determines if a spin button value wraps * around to the opposite limit when the upper or lower limit * of the range is exceeded. */ void gtk_spin_button_set_wrap (GtkSpinButton *spin_button, gboolean wrap) { GtkSpinButtonPrivate *priv; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; wrap = wrap != FALSE; if (priv->wrap != wrap) { priv->wrap = wrap; g_object_notify (G_OBJECT (spin_button), "wrap"); } } /** * gtk_spin_button_get_wrap: * @spin_button: a #GtkSpinButton * * Returns whether the spin button’s value wraps around to the * opposite limit when the upper or lower limit of the range is * exceeded. See gtk_spin_button_set_wrap(). * * Returns: %TRUE if the spin button wraps around */ gboolean gtk_spin_button_get_wrap (GtkSpinButton *spin_button) { g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE); return spin_button->priv->wrap; } /** * gtk_spin_button_set_snap_to_ticks: * @spin_button: a #GtkSpinButton * @snap_to_ticks: a flag indicating if invalid values should be corrected * * Sets the policy as to whether values are corrected to the * nearest step increment when a spin button is activated after * providing an invalid value. */ void gtk_spin_button_set_snap_to_ticks (GtkSpinButton *spin_button, gboolean snap_to_ticks) { GtkSpinButtonPrivate *priv; guint new_val; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; new_val = (snap_to_ticks != 0); if (new_val != priv->snap_to_ticks) { priv->snap_to_ticks = new_val; if (new_val && gtk_editable_get_editable (GTK_EDITABLE (spin_button))) gtk_spin_button_update (spin_button); g_object_notify (G_OBJECT (spin_button), "snap-to-ticks"); } } /** * gtk_spin_button_get_snap_to_ticks: * @spin_button: a #GtkSpinButton * * Returns whether the values are corrected to the nearest step. * See gtk_spin_button_set_snap_to_ticks(). * * Returns: %TRUE if values are snapped to the nearest step */ gboolean gtk_spin_button_get_snap_to_ticks (GtkSpinButton *spin_button) { g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE); return spin_button->priv->snap_to_ticks; } /** * gtk_spin_button_spin: * @spin_button: a #GtkSpinButton * @direction: a #GtkSpinType indicating the direction to spin * @increment: step increment to apply in the specified direction * * Increment or decrement a spin button’s value in a specified * direction by a specified amount. */ void gtk_spin_button_spin (GtkSpinButton *spin_button, GtkSpinType direction, gdouble increment) { GtkSpinButtonPrivate *priv; GtkAdjustment *adjustment; gdouble diff; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; adjustment = priv->adjustment; /* for compatibility with the 1.0.x version of this function */ if (increment != 0 && increment != gtk_adjustment_get_step_increment (adjustment) && (direction == GTK_SPIN_STEP_FORWARD || direction == GTK_SPIN_STEP_BACKWARD)) { if (direction == GTK_SPIN_STEP_BACKWARD && increment > 0) increment = -increment; direction = GTK_SPIN_USER_DEFINED; } switch (direction) { case GTK_SPIN_STEP_FORWARD: gtk_spin_button_real_spin (spin_button, gtk_adjustment_get_step_increment (adjustment)); break; case GTK_SPIN_STEP_BACKWARD: gtk_spin_button_real_spin (spin_button, -gtk_adjustment_get_step_increment (adjustment)); break; case GTK_SPIN_PAGE_FORWARD: gtk_spin_button_real_spin (spin_button, gtk_adjustment_get_page_increment (adjustment)); break; case GTK_SPIN_PAGE_BACKWARD: gtk_spin_button_real_spin (spin_button, -gtk_adjustment_get_page_increment (adjustment)); break; case GTK_SPIN_HOME: diff = gtk_adjustment_get_value (adjustment) - gtk_adjustment_get_lower (adjustment); if (diff > EPSILON) gtk_spin_button_real_spin (spin_button, -diff); break; case GTK_SPIN_END: diff = gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_value (adjustment); if (diff > EPSILON) gtk_spin_button_real_spin (spin_button, diff); break; case GTK_SPIN_USER_DEFINED: if (increment != 0) gtk_spin_button_real_spin (spin_button, increment); break; default: break; } } /** * gtk_spin_button_update: * @spin_button: a #GtkSpinButton * * Manually force an update of the spin button. */ void gtk_spin_button_update (GtkSpinButton *spin_button) { GtkSpinButtonPrivate *priv; gdouble val; gint error = 0; gint return_val; g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button)); priv = spin_button->priv; return_val = FALSE; g_signal_emit (spin_button, spinbutton_signals[INPUT], 0, &val, &return_val); if (return_val == FALSE) { return_val = gtk_spin_button_default_input (spin_button, &val); error = (return_val == GTK_INPUT_ERROR); } else if (return_val == GTK_INPUT_ERROR) error = 1; gtk_widget_queue_draw (GTK_WIDGET (spin_button)); if (priv->update_policy == GTK_UPDATE_ALWAYS) { if (val < gtk_adjustment_get_lower (priv->adjustment)) val = gtk_adjustment_get_lower (priv->adjustment); else if (val > gtk_adjustment_get_upper (priv->adjustment)) val = gtk_adjustment_get_upper (priv->adjustment); } else if ((priv->update_policy == GTK_UPDATE_IF_VALID) && (error || val < gtk_adjustment_get_lower (priv->adjustment) || val > gtk_adjustment_get_upper (priv->adjustment))) { gtk_spin_button_value_changed (priv->adjustment, spin_button); return; } if (priv->snap_to_ticks) gtk_spin_button_snap (spin_button, val); else gtk_spin_button_set_value (spin_button, val); } void _gtk_spin_button_get_panels (GtkSpinButton *spin_button, GdkWindow **down_panel, GdkWindow **up_panel) { if (down_panel != NULL) *down_panel = spin_button->priv->down_panel; if (up_panel != NULL) *up_panel = spin_button->priv->up_panel; }