* 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 Library General Public
+ * 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
+/*
+ * 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 <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <locale.h>
#include "gdk/gdkkeysyms.h"
+#include "gtkbindings.h"
#include "gtkspinbutton.h"
#include "gtkmain.h"
+#include "gtkmarshalers.h"
#include "gtksignal.h"
-
+#include "gtksettings.h"
+#include "gtkintl.h"
#define MIN_SPIN_BUTTON_WIDTH 30
-#define ARROW_SIZE 11
#define SPIN_BUTTON_INITIAL_TIMER_DELAY 200
#define SPIN_BUTTON_TIMER_DELAY 20
-#define MAX_TEXT_LENGTH 256
#define MAX_TIMER_CALLS 5
-
+#define EPSILON 1e-10
+#define MAX_DIGITS 20
+#define MIN_ARROW_WIDTH 6
+
+enum {
+ PROP_0,
+ PROP_ADJUSTMENT,
+ PROP_CLIMB_RATE,
+ PROP_DIGITS,
+ PROP_SNAP_TO_TICKS,
+ PROP_NUMERIC,
+ PROP_WRAP,
+ PROP_UPDATE_POLICY,
+ PROP_VALUE
+};
+
+/* Signals */
+enum
+{
+ INPUT,
+ OUTPUT,
+ VALUE_CHANGED,
+ CHANGE_VALUE,
+ LAST_SIGNAL
+};
static void gtk_spin_button_class_init (GtkSpinButtonClass *klass);
+static void gtk_spin_button_editable_init (GtkEditableClass *iface);
static void gtk_spin_button_init (GtkSpinButton *spin_button);
-static void gtk_spin_button_finalize (GtkObject *object);
+static void gtk_spin_button_finalize (GObject *object);
+static void gtk_spin_button_destroy (GtkObject *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_map (GtkWidget *widget);
static void gtk_spin_button_unmap (GtkWidget *widget);
static void gtk_spin_button_realize (GtkWidget *widget);
GtkRequisition *requisition);
static void gtk_spin_button_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
-static void gtk_spin_button_paint (GtkWidget *widget,
- GdkRectangle *area);
-static void gtk_spin_button_draw (GtkWidget *widget,
- GdkRectangle *area);
static gint gtk_spin_button_expose (GtkWidget *widget,
GdkEventExpose *event);
static gint gtk_spin_button_button_press (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_changed (GtkWidget *widget,
+ GtkStateType previous_state);
static void gtk_spin_button_draw_arrow (GtkSpinButton *spin_button,
- guint arrow);
+ GtkArrowType arrow_type);
static gint gtk_spin_button_timer (GtkSpinButton *spin_button);
-static void gtk_spin_button_value_changed (GtkWidget *widget,
+static void 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_press (GtkWidget *widget,
+static gint gtk_spin_button_key_release (GtkWidget *widget,
GdkEventKey *event);
-static void gtk_spin_button_update (GtkSpinButton *spin_button);
-static void gtk_spin_button_activate (GtkEditable *editable);
+static gint gtk_spin_button_scroll (GtkWidget *widget,
+ GdkEventScroll *event);
+static void gtk_spin_button_activate (GtkEntry *entry);
static void gtk_spin_button_snap (GtkSpinButton *spin_button,
- gfloat val);
+ gdouble val);
static void gtk_spin_button_insert_text (GtkEditable *editable,
const gchar *new_text,
- gint new_text_length,
+ 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 gint gtk_spin_button_default_output (GtkSpinButton *spin_button);
-static GtkWidgetClass *parent_class = NULL;
+static gint spin_button_get_arrow_size (GtkSpinButton *spin_button);
+static gint spin_button_get_shadow_type (GtkSpinButton *spin_button);
+static void spin_button_redraw (GtkSpinButton *spin_button);
-guint
+static GtkEntryClass *parent_class = NULL;
+static guint spinbutton_signals[LAST_SIGNAL] = {0};
+
+#define NO_ARROW 2
+
+GtkType
gtk_spin_button_get_type (void)
{
- static guint spin_button_type = 0;
+ static GtkType spin_button_type = 0;
if (!spin_button_type)
{
- GtkTypeInfo spin_button_info =
+ static const GtkTypeInfo spin_button_info =
{
"GtkSpinButton",
sizeof (GtkSpinButton),
sizeof (GtkSpinButtonClass),
(GtkClassInitFunc) gtk_spin_button_class_init,
(GtkObjectInitFunc) gtk_spin_button_init,
- (GtkArgSetFunc) NULL,
- (GtkArgGetFunc) NULL,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
};
- spin_button_type = gtk_type_unique (gtk_entry_get_type (),
- &spin_button_info);
+ static const GInterfaceInfo editable_info =
+ {
+ (GInterfaceInitFunc) gtk_spin_button_editable_init, /* interface_init */
+ NULL, /* interface_finalize */
+ NULL /* interface_data */
+ };
+
+ spin_button_type = gtk_type_unique (GTK_TYPE_ENTRY, &spin_button_info);
+ g_type_add_interface_static (spin_button_type,
+ GTK_TYPE_EDITABLE,
+ &editable_info);
}
return spin_button_type;
}
+#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);
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
- GtkEditableClass *editable_class;
+ GtkEntryClass *entry_class;
+ GtkBindingSet *binding_set;
object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
- editable_class = (GtkEditableClass*) class;
+ entry_class = (GtkEntryClass*) class;
- parent_class = gtk_type_class (gtk_entry_get_type ());
+ parent_class = gtk_type_class (GTK_TYPE_ENTRY);
- object_class->finalize = gtk_spin_button_finalize;
+ 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;
+
+ object_class->destroy = gtk_spin_button_destroy;
widget_class->map = gtk_spin_button_map;
widget_class->unmap = gtk_spin_button_unmap;
widget_class->unrealize = gtk_spin_button_unrealize;
widget_class->size_request = gtk_spin_button_size_request;
widget_class->size_allocate = gtk_spin_button_size_allocate;
- widget_class->draw = gtk_spin_button_draw;
widget_class->expose_event = gtk_spin_button_expose;
+ 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_press_event = gtk_spin_button_key_press;
+ 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_changed = gtk_spin_button_state_changed;
+
+ entry_class->activate = gtk_spin_button_activate;
+
+ 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",
+ _("Adjustment"),
+ _("The adjustment that holds the value of the spinbutton"),
+ GTK_TYPE_ADJUSTMENT,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_CLIMB_RATE,
+ g_param_spec_double ("climb_rate",
+ _("Climb Rate"),
+ _("The acceleration rate when you hold down a button"),
+ 0.0,
+ G_MAXDOUBLE,
+ 0.0,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_DIGITS,
+ g_param_spec_uint ("digits",
+ _("Digits"),
+ _("The number of decimal places to display"),
+ 0,
+ MAX_DIGITS,
+ 0,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_SNAP_TO_TICKS,
+ g_param_spec_boolean ("snap_to_ticks",
+ _("Snap to Ticks"),
+ _("Whether erroneous values are automatically changed to a spin button's nearest step increment"),
+ FALSE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_NUMERIC,
+ g_param_spec_boolean ("numeric",
+ _("Numeric"),
+ _("Whether non-numeric characters should be ignored"),
+ FALSE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_WRAP,
+ g_param_spec_boolean ("wrap",
+ _("Wrap"),
+ _("Whether a spin button should wrap upon reaching its limits"),
+ FALSE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_UPDATE_POLICY,
+ g_param_spec_enum ("update_policy",
+ _("Update Policy"),
+ _("Whether the spin button should update always, or only when the value is legal"),
+ GTK_TYPE_SPIN_BUTTON_UPDATE_POLICY,
+ GTK_UPDATE_ALWAYS,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_VALUE,
+ g_param_spec_double ("value",
+ _("Value"),
+ _("Reads the current value, or sets a new value"),
+ -G_MAXDOUBLE,
+ G_MAXDOUBLE,
+ 0.0,
+ G_PARAM_READWRITE));
+
+ gtk_widget_class_install_style_property_parser (widget_class,
+ g_param_spec_enum ("shadow_type", "Shadow Type", NULL,
+ GTK_TYPE_SHADOW_TYPE,
+ GTK_SHADOW_IN,
+ G_PARAM_READABLE),
+ gtk_rc_property_parse_enum);
+ spinbutton_signals[INPUT] =
+ gtk_signal_new ("input",
+ GTK_RUN_LAST,
+ GTK_CLASS_TYPE (object_class),
+ GTK_SIGNAL_OFFSET (GtkSpinButtonClass, input),
+ _gtk_marshal_INT__POINTER,
+ GTK_TYPE_INT, 1, GTK_TYPE_POINTER);
+
+ spinbutton_signals[OUTPUT] =
+ g_signal_new ("output",
+ G_TYPE_FROM_CLASS(object_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] =
+ gtk_signal_new ("value_changed",
+ GTK_RUN_LAST,
+ GTK_CLASS_TYPE (object_class),
+ GTK_SIGNAL_OFFSET (GtkSpinButtonClass, value_changed),
+ _gtk_marshal_VOID__VOID,
+ GTK_TYPE_NONE, 0);
+
+ /* Action signals */
+ spinbutton_signals[CHANGE_VALUE] =
+ g_signal_new ("change_value",
+ G_TYPE_FROM_CLASS (object_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_Up, 0, GTK_SCROLL_STEP_UP);
+ add_spin_binding (binding_set, GDK_KP_Up, 0, GTK_SCROLL_STEP_UP);
+ add_spin_binding (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_DOWN);
+ add_spin_binding (binding_set, GDK_KP_Down, 0, GTK_SCROLL_STEP_DOWN);
+ add_spin_binding (binding_set, GDK_Page_Up, 0, GTK_SCROLL_PAGE_UP);
+ add_spin_binding (binding_set, GDK_Page_Down, 0, GTK_SCROLL_PAGE_DOWN);
+ add_spin_binding (binding_set, GDK_Page_Up, GDK_CONTROL_MASK, GTK_SCROLL_END);
+ add_spin_binding (binding_set, GDK_Page_Down, GDK_CONTROL_MASK, GTK_SCROLL_START);
+}
+
+static void
+gtk_spin_button_editable_init (GtkEditableClass *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;
- editable_class->insert_text = gtk_spin_button_insert_text;
- editable_class->activate = gtk_spin_button_activate;
+ spin_button = GTK_SPIN_BUTTON (object);
+
+ switch (prop_id)
+ {
+ GtkAdjustment *adjustment;
+
+ case PROP_ADJUSTMENT:
+ adjustment = GTK_ADJUSTMENT (g_value_get_object (value));
+ if (!adjustment)
+ adjustment = (GtkAdjustment*) 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,
+ spin_button->adjustment,
+ g_value_get_double (value),
+ spin_button->digits);
+ break;
+ case PROP_DIGITS:
+ gtk_spin_button_configure (spin_button,
+ spin_button->adjustment,
+ spin_button->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;
+ default:
+ break;
+ }
+}
+
+static void
+gtk_spin_button_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkSpinButton *spin_button;
+
+ spin_button = GTK_SPIN_BUTTON (object);
+
+ switch (prop_id)
+ {
+ case PROP_ADJUSTMENT:
+ g_value_set_object (value, spin_button->adjustment);
+ break;
+ case PROP_CLIMB_RATE:
+ g_value_set_double (value, spin_button->climb_rate);
+ break;
+ case PROP_DIGITS:
+ g_value_set_uint (value, spin_button->digits);
+ break;
+ case PROP_SNAP_TO_TICKS:
+ g_value_set_boolean (value, spin_button->snap_to_ticks);
+ break;
+ case PROP_NUMERIC:
+ g_value_set_boolean (value, spin_button->numeric);
+ break;
+ case PROP_WRAP:
+ g_value_set_boolean (value, spin_button->wrap);
+ break;
+ case PROP_UPDATE_POLICY:
+ g_value_set_enum (value, spin_button->update_policy);
+ break;
+ case PROP_VALUE:
+ g_value_set_double (value, spin_button->adjustment->value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
static void
{
spin_button->adjustment = NULL;
spin_button->panel = NULL;
- spin_button->shadow_type = GTK_SHADOW_OUT;
spin_button->timer = 0;
spin_button->climb_rate = 0.0;
spin_button->timer_step = 0.0;
- spin_button->update_policy = GTK_UPDATE_ALWAYS | GTK_UPDATE_SNAP_TO_TICKS;
- spin_button->in_child = 2;
- spin_button->click_child = 2;
+ spin_button->update_policy = GTK_UPDATE_ALWAYS;
+ spin_button->in_child = NO_ARROW;
+ spin_button->click_child = NO_ARROW;
spin_button->button = 0;
- spin_button->need_timer = 0;
+ spin_button->need_timer = FALSE;
spin_button->timer_calls = 0;
spin_button->digits = 0;
- spin_button->numeric = 0;
- spin_button->wrap = 0;
-}
-
-void
-gtk_spin_button_construct (GtkSpinButton *spin_button,
- GtkAdjustment *adjustment,
- gfloat climb_rate,
- gint digits)
-{
- char buf[MAX_TEXT_LENGTH];
-
- g_return_if_fail (spin_button != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- g_return_if_fail (digits >= 0 && digits < 6);
-
- if (!adjustment)
- adjustment = (GtkAdjustment*) gtk_adjustment_new (0, 0, 0, 0, 0, 0);
+ spin_button->numeric = FALSE;
+ spin_button->wrap = FALSE;
+ spin_button->snap_to_ticks = FALSE;
- gtk_spin_button_set_adjustment (spin_button, adjustment);
- spin_button->digits = digits;
- sprintf (buf, "%0.*f", digits, adjustment->value);
- gtk_entry_set_text (GTK_ENTRY (spin_button), buf);
- spin_button->climb_rate = climb_rate;
+ gtk_spin_button_set_adjustment (spin_button,
+ (GtkAdjustment*) gtk_adjustment_new (0, 0, 0, 0, 0, 0));
}
-GtkWidget *
-gtk_spin_button_new (GtkAdjustment *adjustment,
- gfloat climb_rate,
- gint digits)
+static void
+gtk_spin_button_finalize (GObject *object)
{
- GtkSpinButton *spin;
-
- g_return_val_if_fail (digits >= 0 && digits < 6, NULL);
-
- spin = gtk_type_new (gtk_spin_button_get_type ());
-
- gtk_spin_button_construct (spin, adjustment, climb_rate, digits);
-
- return GTK_WIDGET (spin);
+ gtk_object_unref (GTK_OBJECT (GTK_SPIN_BUTTON (object)->adjustment));
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
-gtk_spin_button_finalize (GtkObject *object)
+gtk_spin_button_destroy (GtkObject *object)
{
- g_return_if_fail (object != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (object));
-
- gtk_object_unref (GTK_OBJECT (GTK_SPIN_BUTTON (object)->adjustment));
+ gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (object));
- (* GTK_OBJECT_CLASS (parent_class)->finalize) (object);
+ GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gtk_spin_button_map (GtkWidget *widget)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
-
if (GTK_WIDGET_REALIZED (widget) && !GTK_WIDGET_MAPPED (widget))
{
GTK_WIDGET_CLASS (parent_class)->map (widget);
static void
gtk_spin_button_unmap (GtkWidget *widget)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
-
if (GTK_WIDGET_MAPPED (widget))
{
gdk_window_hide (GTK_SPIN_BUTTON (widget)->panel);
static void
gtk_spin_button_realize (GtkWidget *widget)
{
- GtkSpinButton *spin;
+ GtkSpinButton *spin_button;
GdkWindowAttr attributes;
gint attributes_mask;
guint real_width;
+ gint return_val;
+ gint arrow_size;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
-
- spin = GTK_SPIN_BUTTON (widget);
+ spin_button = GTK_SPIN_BUTTON (widget);
+ arrow_size = spin_button_get_arrow_size (spin_button);
real_width = widget->allocation.width;
- widget->allocation.width -= ARROW_SIZE + 2 * widget->style->klass->xthickness;
+ widget->allocation.width -= arrow_size + 2 * widget->style->xthickness;
+ gtk_widget_set_events (widget, gtk_widget_get_events (widget) |
+ GDK_KEY_RELEASE_MASK);
GTK_WIDGET_CLASS (parent_class)->realize (widget);
+
widget->allocation.width = real_width;
attributes.window_type = GDK_WINDOW_CHILD;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
- attributes.x = (widget->allocation.x + widget->allocation.width - ARROW_SIZE -
- 2 * widget->style->klass->xthickness);
+ attributes.x = (widget->allocation.x +
+ widget->allocation.width - arrow_size -
+ 2 * widget->style->xthickness);
attributes.y = widget->allocation.y + (widget->allocation.height -
widget->requisition.height) / 2;
- attributes.width = ARROW_SIZE + 2 * widget->style->klass->xthickness;
+ attributes.width = arrow_size + 2 * widget->style->xthickness;
attributes.height = widget->requisition.height;
- spin->panel = gdk_window_new (gtk_widget_get_parent_window (widget),
- &attributes, attributes_mask);
- gdk_window_set_user_data (spin->panel, widget);
+ spin_button->panel = gdk_window_new (gtk_widget_get_parent_window (widget),
+ &attributes, attributes_mask);
+ gdk_window_set_user_data (spin_button->panel, widget);
+
+ gtk_style_set_background (widget->style, spin_button->panel, GTK_STATE_NORMAL);
+
+ return_val = FALSE;
+ gtk_signal_emit (GTK_OBJECT (spin_button), spinbutton_signals[OUTPUT],
+ &return_val);
+ if (return_val == FALSE)
+ gtk_spin_button_default_output (spin_button);
- gtk_style_set_background (widget->style, spin->panel, GTK_STATE_NORMAL);
+ gtk_widget_queue_resize (GTK_WIDGET (spin_button));
}
static void
gtk_spin_button_unrealize (GtkWidget *widget)
{
- GtkSpinButton *spin;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
-
- spin = GTK_SPIN_BUTTON (widget);
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
}
}
+static int
+compute_double_length (double val, int digits)
+{
+ int a;
+ int extra;
+
+ a = 1;
+ if (fabs (val) > 1.0)
+ a = floor (log10 (fabs (val))) + 1;
+
+ extra = 0;
+
+ /* The dot: */
+ if (digits > 0)
+ extra++;
+
+ /* The sign: */
+ if (val < 0)
+ extra++;
+
+ return a + digits + extra;
+}
+
static void
gtk_spin_button_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (requisition != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
+ GtkEntry *entry;
+ GtkSpinButton *spin_button;
+ gint arrow_size;
- GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition);
+ entry = GTK_ENTRY (widget);
+ spin_button = GTK_SPIN_BUTTON (widget);
+ arrow_size = spin_button_get_arrow_size (spin_button);
- requisition->width = MIN_SPIN_BUTTON_WIDTH + ARROW_SIZE
- + 2 * widget->style->klass->xthickness;
+ GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition);
+
+ if (entry->width_chars < 0)
+ {
+ PangoContext *context;
+ PangoFontMetrics *metrics;
+ gint width;
+ gint w;
+ gint string_len;
+ gint max_string_len;
+ gint digit_width;
+ gboolean interior_focus;
+ gint focus_width;
+
+ gtk_widget_style_get (widget,
+ "interior-focus", &interior_focus,
+ "focus-line-width", &focus_width,
+ NULL);
+
+ context = gtk_widget_get_pango_context (widget);
+ metrics = pango_context_get_metrics (context,
+ widget->style->font_desc,
+ pango_context_get_language (context));
+
+ digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
+ digit_width = PANGO_PIXELS (digit_width);
+
+ pango_font_metrics_unref (metrics);
+
+ /* Get max of MIN_SPIN_BUTTON_WIDTH, size of upper, size of lower */
+
+ width = MIN_SPIN_BUTTON_WIDTH;
+ max_string_len = MAX (10, compute_double_length (1e9 * spin_button->adjustment->step_increment,
+ spin_button->digits));
+
+ string_len = compute_double_length (spin_button->adjustment->upper,
+ spin_button->digits);
+ w = MIN (string_len, max_string_len) * digit_width;
+ width = MAX (width, w);
+ string_len = compute_double_length (spin_button->adjustment->lower,
+ spin_button->digits);
+ w = MIN (string_len, max_string_len) * digit_width;
+ width = MAX (width, w);
+
+ requisition->width = width;
+ if (interior_focus)
+ requisition->width += 2 * focus_width;
+ }
+
+ requisition->width += arrow_size + 2 * widget->style->xthickness;
}
static void
gtk_spin_button_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
- GtkAllocation child_allocation;
+ GtkSpinButton *spin;
+ GtkAllocation entry_allocation;
+ GtkAllocation panel_allocation;
+ gint arrow_size;
+ gint panel_width;
- g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
g_return_if_fail (allocation != NULL);
- child_allocation = *allocation;
- child_allocation.width -= ARROW_SIZE + 2 * widget->style->klass->xthickness;
+ spin = GTK_SPIN_BUTTON (widget);
+ arrow_size = spin_button_get_arrow_size (spin);
+ panel_width = arrow_size + 2 * widget->style->xthickness;
+
+ widget->allocation = *allocation;
+
+ entry_allocation = *allocation;
+ entry_allocation.width -= panel_width;
+
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
+ {
+ entry_allocation.x += panel_width;
+ panel_allocation.x = allocation->x;
+ }
+ else
+ {
+ panel_allocation.x = allocation->x + allocation->width - panel_width;
+ }
+
+ panel_allocation.width = panel_width;
+ panel_allocation.height = MIN (widget->requisition.height, allocation->height);
- GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, &child_allocation);
+ panel_allocation.y = allocation->y + (allocation->height -
+ panel_allocation.height) / 2;
- widget->allocation = *allocation;
+ GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, &entry_allocation);
if (GTK_WIDGET_REALIZED (widget))
{
- child_allocation.width = ARROW_SIZE + 2 * widget->style->klass->xthickness;
- child_allocation.height = widget->requisition.height;
- child_allocation.x = (allocation->x + allocation->width - ARROW_SIZE -
- 2 * widget->style->klass->xthickness);
- child_allocation.y = allocation->y + (allocation->height - widget->requisition.height) / 2;
-
gdk_window_move_resize (GTK_SPIN_BUTTON (widget)->panel,
- child_allocation.x,
- child_allocation.y,
- child_allocation.width,
- child_allocation.height);
+ panel_allocation.x,
+ panel_allocation.y,
+ panel_allocation.width,
+ panel_allocation.height);
}
+
+ spin_button_redraw (spin);
}
-static void
-gtk_spin_button_paint (GtkWidget *widget,
- GdkRectangle *area)
+static gint
+gtk_spin_button_expose (GtkWidget *widget,
+ GdkEventExpose *event)
{
GtkSpinButton *spin;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
+ g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
spin = GTK_SPIN_BUTTON (widget);
if (GTK_WIDGET_DRAWABLE (widget))
{
- if (spin->shadow_type != GTK_SHADOW_NONE)
- gtk_draw_shadow (widget->style, spin->panel,
- GTK_STATE_NORMAL, spin->shadow_type,
- 0, 0,
- ARROW_SIZE + 2 * widget->style->klass->xthickness,
- widget->requisition.height);
+ GtkShadowType shadow_type;
+ GdkRectangle rect;
+
+ if (event->window != spin->panel)
+ GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
+
+ /* we redraw the panel even if it wasn't exposed. This is
+ * because spin->panel is not a child window of widget->window,
+ * so it will not be invalidated by eg. gtk_widget_queue_draw().
+ */
+ rect.x = 0;
+ rect.y = 0;
+
+ gdk_window_get_size (spin->panel, &rect.width, &rect.height);
+
+ shadow_type = spin_button_get_shadow_type (spin);
+
+ gdk_window_begin_paint_rect (spin->panel, &rect);
+
+ if (shadow_type != GTK_SHADOW_NONE)
+ {
+ gtk_paint_box (widget->style, spin->panel,
+ GTK_STATE_NORMAL, shadow_type,
+ NULL, widget, "spinbutton",
+ rect.x, rect.y, rect.width, rect.height);
+ }
+
gtk_spin_button_draw_arrow (spin, GTK_ARROW_UP);
gtk_spin_button_draw_arrow (spin, GTK_ARROW_DOWN);
- GTK_WIDGET_CLASS (parent_class)->draw (widget, area);
+ gdk_window_end_paint (spin->panel);
}
+
+ return FALSE;
}
-static void
-gtk_spin_button_draw (GtkWidget *widget,
- GdkRectangle *area)
-{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
- g_return_if_fail (area != NULL);
-
- if (GTK_WIDGET_DRAWABLE (widget))
- gtk_spin_button_paint (widget, area);
-}
-
-static gint
-gtk_spin_button_expose (GtkWidget *widget,
- GdkEventExpose *event)
+static gboolean
+spin_button_at_limit (GtkSpinButton *spin_button,
+ GtkArrowType arrow)
{
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- if (GTK_WIDGET_DRAWABLE (widget))
- gtk_spin_button_paint (widget, &event->area);
+ if (spin_button->wrap)
+ return FALSE;
+ if (arrow == GTK_ARROW_UP &&
+ (spin_button->adjustment->upper - spin_button->adjustment->value <= EPSILON))
+ return TRUE;
+
+ if (arrow == GTK_ARROW_DOWN &&
+ (spin_button->adjustment->value - spin_button->adjustment->lower <= EPSILON))
+ return TRUE;
+
return FALSE;
}
static void
gtk_spin_button_draw_arrow (GtkSpinButton *spin_button,
- guint arrow)
+ GtkArrowType arrow_type)
{
GtkStateType state_type;
GtkShadowType shadow_type;
GtkWidget *widget;
+ gint x;
+ gint y;
+ gint height;
+ gint width;
+ gint h, w;
- g_return_if_fail (spin_button != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+ g_return_if_fail (arrow_type == GTK_ARROW_UP || arrow_type == GTK_ARROW_DOWN);
widget = GTK_WIDGET (spin_button);
- if (GTK_WIDGET_DRAWABLE (spin_button))
+ if (GTK_WIDGET_DRAWABLE (widget))
{
- if (spin_button->in_child == arrow)
- {
- if (spin_button->click_child == arrow)
- state_type = GTK_STATE_ACTIVE;
- else
- state_type = GTK_STATE_PRELIGHT;
- }
+ width = spin_button_get_arrow_size (spin_button) + 2 * widget->style->xthickness;
+
+ if (arrow_type == GTK_ARROW_UP)
+ {
+ x = 0;
+ y = 0;
+
+ height = widget->requisition.height / 2;
+ }
else
- state_type = GTK_STATE_NORMAL;
+ {
+ x = 0;
+ y = widget->requisition.height / 2;
+
+ height = (widget->requisition.height + 1) / 2;
+ }
- if (spin_button->click_child == arrow)
- shadow_type = GTK_SHADOW_IN;
+ if (spin_button_at_limit (spin_button, arrow_type))
+ {
+ shadow_type = GTK_SHADOW_OUT;
+ state_type = GTK_STATE_INSENSITIVE;
+ }
else
- shadow_type = GTK_SHADOW_OUT;
+ {
+ if (spin_button->click_child == arrow_type)
+ {
+ state_type = GTK_STATE_ACTIVE;
+ shadow_type = GTK_SHADOW_IN;
+ }
+ else
+ {
+ if (spin_button->in_child == arrow_type &&
+ spin_button->click_child == NO_ARROW)
+ {
+ state_type = GTK_STATE_PRELIGHT;
+ }
+ else
+ {
+ state_type = GTK_WIDGET_STATE (widget);
+ }
+
+ shadow_type = GTK_SHADOW_OUT;
+ }
+ }
+
+ gtk_paint_box (widget->style, spin_button->panel,
+ state_type, shadow_type,
+ NULL, widget,
+ (arrow_type == GTK_ARROW_UP)? "spinbutton_up" : "spinbutton_down",
+ x, y, width, height);
+
+ height = widget->requisition.height;
- if (arrow == GTK_ARROW_UP)
+ if (arrow_type == GTK_ARROW_DOWN)
{
- gtk_draw_arrow (widget->style, spin_button->panel,
- state_type, shadow_type, arrow, TRUE,
- widget->style->klass->xthickness,
- widget->style->klass->ythickness,
- ARROW_SIZE,
- widget->requisition.height / 2
- - widget->style->klass->ythickness);
+ y = height / 2;
+ height = height - y - 2;
}
else
{
- gtk_draw_arrow (widget->style, spin_button->panel,
- state_type, shadow_type, arrow, TRUE,
- widget->style->klass->xthickness,
- widget->requisition.height / 2,
- ARROW_SIZE,
- widget->requisition.height / 2
- - widget->style->klass->ythickness);
+ y = 2;
+ height = height / 2 - 2;
}
+
+ width -= 3;
+
+ if (widget && gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
+ x = 2;
+ else
+ x = 1;
+
+ w = width / 2;
+ w -= w % 2 - 1; /* force odd */
+ h = (w + 1) / 2;
+
+ x += (width - w) / 2;
+ y += (height - h) / 2;
+
+ height = h;
+ width = w;
+
+ gtk_paint_arrow (widget->style, spin_button->panel,
+ state_type, shadow_type,
+ NULL, widget, "spinbutton",
+ arrow_type, TRUE,
+ x, y, width, height);
}
}
gtk_spin_button_enter_notify (GtkWidget *widget,
GdkEventCrossing *event)
{
- GtkSpinButton *spin;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- spin = GTK_SPIN_BUTTON (widget);
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
if (event->window == spin->panel)
{
gdk_window_get_pointer (spin->panel, &x, &y, NULL);
if (y <= widget->requisition.height / 2)
- {
- spin->in_child = GTK_ARROW_UP;
- if (spin->click_child == 2)
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_UP);
- }
+ spin->in_child = GTK_ARROW_UP;
else
- {
- spin->in_child = GTK_ARROW_DOWN;
- if (spin->click_child == 2)
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_DOWN);
- }
+ spin->in_child = GTK_ARROW_DOWN;
+
+ spin_button_redraw (spin);
}
+
return FALSE;
}
gtk_spin_button_leave_notify (GtkWidget *widget,
GdkEventCrossing *event)
{
- GtkSpinButton *spin;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- spin = GTK_SPIN_BUTTON (widget);
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
- if (event->window == spin->panel && spin->click_child == 2)
- {
- if (spin->in_child == GTK_ARROW_UP)
- {
- spin->in_child = 2;
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_UP);
- }
- else
- {
- spin->in_child = 2;
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_DOWN);
- }
- }
+ spin->in_child = NO_ARROW;
+ spin_button_redraw (spin);
+
return FALSE;
}
gtk_spin_button_focus_out (GtkWidget *widget,
GdkEventFocus *event)
{
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- gtk_spin_button_update (GTK_SPIN_BUTTON (widget));
+ if (GTK_ENTRY (widget)->editable)
+ gtk_spin_button_update (GTK_SPIN_BUTTON (widget));
return GTK_WIDGET_CLASS (parent_class)->focus_out_event (widget, event);
}
+static void
+gtk_spin_button_grab_notify (GtkWidget *widget,
+ gboolean was_grabbed)
+{
+ if (!was_grabbed)
+ gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (widget));
+}
+
+static void
+gtk_spin_button_state_changed (GtkWidget *widget,
+ GtkStateType previous_state)
+{
+ if (!GTK_WIDGET_IS_SENSITIVE (widget))
+ gtk_spin_button_stop_spinning (GTK_SPIN_BUTTON (widget));
+}
+
static gint
-gtk_spin_button_button_press (GtkWidget *widget,
- GdkEventButton *event)
+gtk_spin_button_scroll (GtkWidget *widget,
+ GdkEventScroll *event)
{
- GtkSpinButton *spin;
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ if (event->direction == GDK_SCROLL_UP)
+ {
+ if (!GTK_WIDGET_HAS_FOCUS (widget))
+ gtk_widget_grab_focus (widget);
+ gtk_spin_button_real_spin (spin, spin->adjustment->step_increment);
+ }
+ else if (event->direction == GDK_SCROLL_DOWN)
+ {
+ if (!GTK_WIDGET_HAS_FOCUS (widget))
+ gtk_widget_grab_focus (widget);
+ gtk_spin_button_real_spin (spin, -spin->adjustment->step_increment);
+ }
+ else
+ return FALSE;
- spin = GTK_SPIN_BUTTON (widget);
+ return TRUE;
+}
- if (!spin->button)
+static void
+gtk_spin_button_stop_spinning (GtkSpinButton *spin)
+{
+ if (spin->timer)
{
- if (event->window == spin->panel)
+ gtk_timeout_remove (spin->timer);
+ spin->timer = 0;
+ spin->timer_calls = 0;
+ spin->need_timer = FALSE;
+ }
+
+ spin->button = 0;
+ spin->timer = 0;
+ spin->timer_step = spin->adjustment->step_increment;
+ spin->timer_calls = 0;
+}
+
+static void
+start_spinning (GtkSpinButton *spin,
+ GtkArrowType click_child,
+ gfloat step)
+{
+ g_return_if_fail (click_child == GTK_ARROW_UP || click_child == GTK_ARROW_DOWN);
+
+ spin->click_child = click_child;
+ gtk_spin_button_real_spin (spin, click_child == GTK_ARROW_UP ? step : -step);
+
+ if (!spin->timer)
+ {
+ spin->timer_step = step;
+ spin->need_timer = TRUE;
+ spin->timer = gtk_timeout_add (SPIN_BUTTON_INITIAL_TIMER_DELAY,
+ (GtkFunction) gtk_spin_button_timer, (gpointer) spin);
+ }
+
+ spin_button_redraw (spin);
+}
+
+static gint
+gtk_spin_button_button_press (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
+
+ if (!spin->button)
+ {
+ if (event->window == spin->panel)
{
if (!GTK_WIDGET_HAS_FOCUS (widget))
gtk_widget_grab_focus (widget);
- gtk_grab_add (widget);
spin->button = event->button;
- gtk_spin_button_update (spin);
+ if (GTK_ENTRY (widget)->editable)
+ gtk_spin_button_update (spin);
if (event->y <= widget->requisition.height / 2)
{
- spin->click_child = GTK_ARROW_UP;
if (event->button == 1)
- {
- gtk_spin_button_spin (spin, spin->click_child,
- spin->adjustment->step_increment);
- if (!spin->timer)
- {
- spin->timer_step = spin->adjustment->step_increment;
- spin->need_timer = TRUE;
- spin->timer = gtk_timeout_add
- (SPIN_BUTTON_INITIAL_TIMER_DELAY,
- (GtkFunction) gtk_spin_button_timer, (gpointer) spin);
- }
- }
+ start_spinning (spin, GTK_ARROW_UP, spin->adjustment->step_increment);
else if (event->button == 2)
- {
- gtk_spin_button_spin (spin, spin->click_child,
- spin->adjustment->page_increment);
- if (!spin->timer)
- {
- spin->timer_step = spin->adjustment->page_increment;
- spin->need_timer = TRUE;
- spin->timer = gtk_timeout_add
- (SPIN_BUTTON_INITIAL_TIMER_DELAY,
- (GtkFunction) gtk_spin_button_timer, (gpointer) spin);
- }
- }
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_UP);
+ start_spinning (spin, GTK_ARROW_UP, spin->adjustment->page_increment);
+ else
+ spin->click_child = GTK_ARROW_UP;
}
else
{
- spin->click_child = GTK_ARROW_DOWN;
if (event->button == 1)
- {
- gtk_spin_button_spin (spin, spin->click_child,
- spin->adjustment->step_increment);
- if (!spin->timer)
- {
- spin->timer_step = spin->adjustment->step_increment;
- spin->need_timer = TRUE;
- spin->timer = gtk_timeout_add
- (SPIN_BUTTON_INITIAL_TIMER_DELAY,
- (GtkFunction) gtk_spin_button_timer, (gpointer) spin);
- }
- }
+ start_spinning (spin, GTK_ARROW_DOWN, spin->adjustment->step_increment);
else if (event->button == 2)
- {
- gtk_spin_button_spin (spin, spin->click_child,
- spin->adjustment->page_increment);
- if (!spin->timer)
- {
- spin->timer_step = spin->adjustment->page_increment;
- spin->need_timer = TRUE;
- spin->timer = gtk_timeout_add
- (SPIN_BUTTON_INITIAL_TIMER_DELAY,
- (GtkFunction) gtk_spin_button_timer, (gpointer) spin);
- }
- }
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_DOWN);
+ start_spinning (spin, GTK_ARROW_DOWN, spin->adjustment->page_increment);
+ else
+ spin->click_child = GTK_ARROW_DOWN;
}
+ return TRUE;
}
else
- GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event);
+ return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event);
}
return FALSE;
}
gtk_spin_button_button_release (GtkWidget *widget,
GdkEventButton *event)
{
- GtkSpinButton *spin;
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
+ gint arrow_size;
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- spin = GTK_SPIN_BUTTON (widget);
+ arrow_size = spin_button_get_arrow_size (spin);
if (event->button == spin->button)
{
guint click_child;
- if (spin->timer)
- {
- gtk_timeout_remove (spin->timer);
- spin->timer = 0;
- spin->timer_calls = 0;
- spin->need_timer = FALSE;
- }
+ gtk_spin_button_stop_spinning (spin);
if (event->button == 3)
{
if (event->y >= 0 && event->x >= 0 &&
event->y <= widget->requisition.height &&
- event->x <= ARROW_SIZE + 2 * widget->style->klass->xthickness)
+ event->x <= arrow_size + 2 * widget->style->xthickness)
{
if (spin->click_child == GTK_ARROW_UP &&
- spin->adjustment->value < spin->adjustment->upper &&
event->y <= widget->requisition.height / 2)
- gtk_adjustment_set_value (spin->adjustment,
- spin->adjustment->upper);
+ {
+ gdouble diff;
+
+ diff = spin->adjustment->upper - spin->adjustment->value;
+ if (diff > EPSILON)
+ gtk_spin_button_real_spin (spin, diff);
+ }
else if (spin->click_child == GTK_ARROW_DOWN &&
- spin->adjustment->value > spin->adjustment->lower &&
event->y > widget->requisition.height / 2)
- gtk_adjustment_set_value (spin->adjustment,
- spin->adjustment->lower);
+ {
+ gdouble diff;
+
+ diff = spin->adjustment->value - spin->adjustment->lower;
+ if (diff > EPSILON)
+ gtk_spin_button_real_spin (spin, -diff);
+ }
}
}
- gtk_grab_remove (widget);
click_child = spin->click_child;
- spin->click_child = 2;
+ spin->click_child = NO_ARROW;
spin->button = 0;
- gtk_spin_button_draw_arrow (spin, click_child);
+ spin_button_redraw (spin);
+
+ return TRUE;
}
else
- GTK_WIDGET_CLASS (parent_class)->button_release_event (widget, event);
-
- return FALSE;
+ return GTK_WIDGET_CLASS (parent_class)->button_release_event (widget, event);
}
static gint
gtk_spin_button_motion_notify (GtkWidget *widget,
GdkEventMotion *event)
{
- GtkSpinButton *spin;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
- spin = GTK_SPIN_BUTTON (widget);
-
if (spin->button)
return FALSE;
if (event->window == spin->panel)
{
gint y;
-
- y = event->y;
- if (event->is_hint)
- gdk_window_get_pointer (spin->panel, NULL, &y, NULL);
-
+
+ gdk_window_get_pointer (spin->panel, NULL, &y, NULL);
+
if (y <= widget->requisition.height / 2 &&
spin->in_child == GTK_ARROW_DOWN)
{
spin->in_child = GTK_ARROW_UP;
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_UP);
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_DOWN);
+ spin_button_redraw (spin);
}
else if (y > widget->requisition.height / 2 &&
spin->in_child == GTK_ARROW_UP)
{
spin->in_child = GTK_ARROW_DOWN;
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_UP);
- gtk_spin_button_draw_arrow (spin, GTK_ARROW_DOWN);
+ spin_button_redraw (spin);
}
+
return FALSE;
}
static gint
gtk_spin_button_timer (GtkSpinButton *spin_button)
{
- g_return_val_if_fail (spin_button != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
+ gboolean retval = FALSE;
+
+ GDK_THREADS_ENTER ();
if (spin_button->timer)
{
- gtk_spin_button_spin (spin_button, spin_button->click_child,
- spin_button->timer_step);
-
- if (spin_button->need_timer) {
- spin_button->need_timer = FALSE;
- spin_button->timer = gtk_timeout_add
- (SPIN_BUTTON_TIMER_DELAY, (GtkFunction) gtk_spin_button_timer,
- (gpointer) spin_button);
- return FALSE;
- }
- else if (spin_button->climb_rate > 0.0 &&
- spin_button->timer_step < spin_button->adjustment->page_increment)
+ if (spin_button->click_child == GTK_ARROW_UP)
+ gtk_spin_button_real_spin (spin_button, spin_button->timer_step);
+ else
+ gtk_spin_button_real_spin (spin_button, -spin_button->timer_step);
+
+ if (spin_button->need_timer)
{
- if (spin_button->timer_calls < MAX_TIMER_CALLS)
- spin_button->timer_calls++;
- else
+ spin_button->need_timer = FALSE;
+ spin_button->timer = gtk_timeout_add
+ (SPIN_BUTTON_TIMER_DELAY, (GtkFunction) gtk_spin_button_timer,
+ (gpointer) spin_button);
+ }
+ else
+ {
+ if (spin_button->climb_rate > 0.0 && spin_button->timer_step
+ < spin_button->adjustment->page_increment)
{
- spin_button->timer_calls = 0;
- spin_button->timer_step += spin_button->climb_rate;
+ if (spin_button->timer_calls < MAX_TIMER_CALLS)
+ spin_button->timer_calls++;
+ else
+ {
+ spin_button->timer_calls = 0;
+ spin_button->timer_step += spin_button->climb_rate;
+ }
}
- }
- return TRUE;
+ retval = TRUE;
+ }
}
- return FALSE;
+
+ GDK_THREADS_LEAVE ();
+
+ return retval;
}
-void
-gtk_spin_button_spin (GtkSpinButton *spin_button,
- guint direction,
- gfloat step)
+static void
+gtk_spin_button_value_changed (GtkAdjustment *adjustment,
+ GtkSpinButton *spin_button)
{
- gfloat new_value = 0.0;
-
- g_return_if_fail (spin_button != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+ gint return_val;
+
+ return_val = FALSE;
+ gtk_signal_emit (GTK_OBJECT (spin_button), spinbutton_signals[OUTPUT],
+ &return_val);
+ if (return_val == FALSE)
+ gtk_spin_button_default_output (spin_button);
+
+ gtk_signal_emit (GTK_OBJECT (spin_button),
+ spinbutton_signals[VALUE_CHANGED]);
+
+ spin_button_redraw (spin_button);
- if (direction == GTK_ARROW_UP)
- {
- new_value = spin_button->adjustment->value + step;
- if (spin_button->wrap)
- {
- if (spin_button->adjustment->value == spin_button->adjustment->upper)
- new_value = spin_button->adjustment->lower;
- else if (new_value > spin_button->adjustment->upper)
- new_value = spin_button->adjustment->upper;
- }
- else
- {
- new_value = MIN (new_value, spin_button->adjustment->upper);
- }
- }
- else if (direction == GTK_ARROW_DOWN)
+ g_object_notify (G_OBJECT (spin_button), "value");
+}
+
+static void
+gtk_spin_button_real_change_value (GtkSpinButton *spin,
+ GtkScrollType scroll)
+{
+ if (GTK_ENTRY (spin)->editable)
{
- new_value = spin_button->adjustment->value - step;
- if (spin_button->wrap)
- {
- if (spin_button->adjustment->value == spin_button->adjustment->lower)
- new_value = spin_button->adjustment->upper;
- else if (new_value < spin_button->adjustment->lower)
- new_value = spin_button->adjustment->lower;
- }
- else
- {
- new_value = MAX (new_value, spin_button->adjustment->lower);
- }
+ switch (scroll)
+ {
+ case GTK_SCROLL_STEP_BACKWARD:
+ case GTK_SCROLL_STEP_DOWN:
+ case GTK_SCROLL_STEP_LEFT:
+ gtk_spin_button_real_spin (spin, -spin->timer_step);
+
+ if (spin->climb_rate > 0.0 && spin->timer_step
+ < spin->adjustment->page_increment)
+ {
+ if (spin->timer_calls < MAX_TIMER_CALLS)
+ spin->timer_calls++;
+ else
+ {
+ spin->timer_calls = 0;
+ spin->timer_step += spin->climb_rate;
+ }
+ }
+ break;
+
+ case GTK_SCROLL_STEP_FORWARD:
+ case GTK_SCROLL_STEP_UP:
+ case GTK_SCROLL_STEP_RIGHT:
+ gtk_spin_button_real_spin (spin, spin->timer_step);
+
+ if (spin->climb_rate > 0.0 && spin->timer_step
+ < spin->adjustment->page_increment)
+ {
+ if (spin->timer_calls < MAX_TIMER_CALLS)
+ spin->timer_calls++;
+ else
+ {
+ spin->timer_calls = 0;
+ spin->timer_step += spin->climb_rate;
+ }
+ }
+ break;
+
+ case GTK_SCROLL_PAGE_BACKWARD:
+ case GTK_SCROLL_PAGE_DOWN:
+ case GTK_SCROLL_PAGE_LEFT:
+ gtk_spin_button_real_spin (spin, -spin->adjustment->page_increment);
+ break;
+
+ case GTK_SCROLL_PAGE_FORWARD:
+ case GTK_SCROLL_PAGE_UP:
+ case GTK_SCROLL_PAGE_RIGHT:
+ gtk_spin_button_real_spin (spin, spin->adjustment->page_increment);
+ break;
+
+ case GTK_SCROLL_START:
+ {
+ gdouble diff = spin->adjustment->value - spin->adjustment->lower;
+ if (diff > EPSILON)
+ gtk_spin_button_real_spin (spin, -diff);
+ break;
+ }
+
+ case GTK_SCROLL_END:
+ {
+ gdouble diff = spin->adjustment->upper - spin->adjustment->value;
+ 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);
}
+}
+
+static gint
+gtk_spin_button_key_release (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (widget);
+
+ /* We only get a release at the end of a key repeat run, so reset the timer_step */
+ spin->timer_step = spin->adjustment->step_increment;
+ spin->timer_calls = 0;
- if (new_value != spin_button->adjustment->value)
- gtk_adjustment_set_value (spin_button->adjustment, new_value);
+ return TRUE;
}
static void
-gtk_spin_button_value_changed (GtkWidget *widget,
- GtkSpinButton *spin_button)
+gtk_spin_button_snap (GtkSpinButton *spin_button,
+ gdouble val)
{
- char buf[MAX_TEXT_LENGTH];
+ gdouble inc;
+ gdouble tmp;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_ADJUSTMENT (widget));
+ inc = spin_button->adjustment->step_increment;
+ tmp = (val - spin_button->adjustment->lower) / inc;
+ if (tmp - floor (tmp) < ceil (tmp) - tmp)
+ val = spin_button->adjustment->lower + floor (tmp) * inc;
+ else
+ val = spin_button->adjustment->lower + ceil (tmp) * inc;
- sprintf (buf, "%0.*f", spin_button->digits, spin_button->adjustment->value);
+ if (fabs (val - spin_button->adjustment->value) > EPSILON)
+ gtk_adjustment_set_value (spin_button->adjustment, val);
+ else
+ {
+ gint return_val = FALSE;
+ gtk_signal_emit (GTK_OBJECT (spin_button), spinbutton_signals[OUTPUT],
+ &return_val);
+ if (return_val == FALSE)
+ gtk_spin_button_default_output (spin_button);
+ }
+}
- gtk_entry_set_text (GTK_ENTRY (spin_button), buf);
+static void
+gtk_spin_button_activate (GtkEntry *entry)
+{
+ if (entry->editable)
+ gtk_spin_button_update (GTK_SPIN_BUTTON (entry));
}
-static gint
-gtk_spin_button_key_press (GtkWidget *widget,
- GdkEventKey *event)
+static void
+gtk_spin_button_insert_text (GtkEditable *editable,
+ const gchar *new_text,
+ gint new_text_length,
+ gint *position)
{
- GtkSpinButton *spin;
- gint key;
+ GtkEntry *entry = GTK_ENTRY (editable);
+ GtkSpinButton *spin = GTK_SPIN_BUTTON (editable);
+ GtkEditableClass *parent_editable_iface = g_type_interface_peek (parent_class, GTK_TYPE_EDITABLE);
+
+ if (spin->numeric)
+ {
+ struct lconv *lc;
+ gboolean sign;
+ gint dotpos = -1;
+ gint i;
+ GdkWChar pos_sign;
+ GdkWChar neg_sign;
+ gint entry_length;
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ entry_length = entry->text_length;
+
+ 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 = '+';
+
+ for (sign=0, i=0; i<entry_length; i++)
+ if ((entry->text[i] == neg_sign) ||
+ (entry->text[i] == pos_sign))
+ {
+ sign = 1;
+ break;
+ }
+
+ if (sign && !(*position))
+ return;
+
+ for (dotpos=-1, i=0; i<entry_length; i++)
+ if (entry->text[i] == *(lc->decimal_point))
+ {
+ dotpos = i;
+ break;
+ }
+
+ if (dotpos > -1 && *position > dotpos &&
+ (gint)spin->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 (!spin->digits || dotpos > -1 ||
+ (new_text_length - 1 - i + entry_length
+ - *position > (gint)spin->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)
+{
+ GtkAdjustment *adj;
+ gdouble new_value = 0.0;
- spin = GTK_SPIN_BUTTON (widget);
- key = event->keyval;
+ adj = spin_button->adjustment;
- if (key == GDK_Up || key == GDK_Down ||
- key == GDK_Page_Up || key == GDK_Page_Down)
- gtk_spin_button_update (spin);
+ new_value = adj->value + increment;
- switch (key)
+ if (increment > 0)
{
- case GDK_Up:
- if (GTK_WIDGET_HAS_FOCUS (widget))
+ if (spin_button->wrap)
{
- gtk_signal_emit_stop_by_name (GTK_OBJECT (widget),
- "key_press_event");
- gtk_spin_button_spin (spin, GTK_ARROW_UP,
- spin->adjustment->step_increment);
- return TRUE;
+ if (fabs (adj->value - adj->upper) < EPSILON)
+ new_value = adj->lower;
+ else if (new_value > adj->upper)
+ new_value = adj->upper;
}
- return FALSE;
- case GDK_Down:
- if (GTK_WIDGET_HAS_FOCUS (widget))
+ else
+ new_value = MIN (new_value, adj->upper);
+ }
+ else if (increment < 0)
+ {
+ if (spin_button->wrap)
{
- gtk_signal_emit_stop_by_name (GTK_OBJECT (widget),
- "key_press_event");
- gtk_spin_button_spin (spin, GTK_ARROW_DOWN,
- spin->adjustment->step_increment);
- return TRUE;
+ if (fabs (adj->value - adj->lower) < EPSILON)
+ new_value = adj->upper;
+ else if (new_value < adj->lower)
+ new_value = adj->lower;
}
- return FALSE;
- case GDK_Page_Up:
- if (event->state & GDK_CONTROL_MASK)
- gtk_adjustment_set_value (spin->adjustment, spin->adjustment->upper);
else
- gtk_spin_button_spin (spin, GTK_ARROW_UP,
- spin->adjustment->page_increment);
- return TRUE;
- case GDK_Page_Down:
- if (event->state & GDK_CONTROL_MASK)
- gtk_adjustment_set_value (spin->adjustment, spin->adjustment->lower);
- else
- gtk_spin_button_spin (spin, GTK_ARROW_DOWN,
- spin->adjustment->page_increment);
- return TRUE;
- default:
- break;
+ new_value = MAX (new_value, adj->lower);
}
- return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event);
+
+ if (fabs (new_value - adj->value) > EPSILON)
+ gtk_adjustment_set_value (adj, new_value);
+
+ spin_button_redraw (spin_button);
}
-static void
-gtk_spin_button_snap (GtkSpinButton *spin_button,
- gfloat val)
+static gint
+gtk_spin_button_default_input (GtkSpinButton *spin_button,
+ gdouble *new_val)
{
- gfloat inc;
- gfloat tmp;
-
- inc = spin_button->adjustment->step_increment;
- tmp = (val - spin_button->adjustment->lower) / inc;
- if (tmp - floor (tmp) < ceil (tmp) - tmp)
- val = spin_button->adjustment->lower + floor (tmp) * inc;
+ gchar *err = NULL;
+
+ *new_val = strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &err);
+ if (*err)
+ return GTK_INPUT_ERROR;
else
- val = spin_button->adjustment->lower + ceil (tmp) * inc;
- gtk_adjustment_set_value (spin_button->adjustment, val);
+ return FALSE;
}
-static void
-gtk_spin_button_update (GtkSpinButton *spin_button)
+static gint
+gtk_spin_button_default_output (GtkSpinButton *spin_button)
{
- gfloat val;
- gchar *error = NULL;
+ gchar *buf = g_strdup_printf ("%0.*f", spin_button->digits, spin_button->adjustment->value);
+
+ if (strcmp (buf, gtk_entry_get_text (GTK_ENTRY (spin_button))))
+ gtk_entry_set_text (GTK_ENTRY (spin_button), buf);
+ g_free (buf);
+ return FALSE;
+}
+
+
+/***********************************************************
+ ***********************************************************
+ *** Public interface ***
+ ***********************************************************
+ ***********************************************************/
+
- g_return_if_fail (spin_button != NULL);
+void
+gtk_spin_button_configure (GtkSpinButton *spin_button,
+ GtkAdjustment *adjustment,
+ gdouble climb_rate,
+ guint digits)
+{
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- val = strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &error);
-
- if (spin_button->update_policy & GTK_UPDATE_ALWAYS)
+ if (adjustment)
+ gtk_spin_button_set_adjustment (spin_button, adjustment);
+ else
+ adjustment = spin_button->adjustment;
+
+ g_object_freeze_notify (G_OBJECT (spin_button));
+ if (spin_button->digits != digits)
{
- if (val < spin_button->adjustment->lower)
- val = spin_button->adjustment->lower;
- else if (val > spin_button->adjustment->upper)
- val = spin_button->adjustment->upper;
+ spin_button->digits = digits;
+ g_object_notify (G_OBJECT (spin_button), "digits");
}
- else if ((spin_button->update_policy & GTK_UPDATE_IF_VALID) &&
- (*error ||
- val < spin_button->adjustment->lower ||
- val > spin_button->adjustment->upper))
+
+ if (spin_button->climb_rate != climb_rate)
{
- gtk_signal_emit_by_name (GTK_OBJECT (spin_button->adjustment),
- "value_changed");
- return;
+ spin_button->climb_rate = climb_rate;
+ g_object_notify (G_OBJECT (spin_button), "climb_rate");
}
+ g_object_thaw_notify (G_OBJECT (spin_button));
- if (spin_button->update_policy & GTK_UPDATE_SNAP_TO_TICKS)
- gtk_spin_button_snap (spin_button, val);
- else
- gtk_adjustment_set_value (spin_button->adjustment, val);
+ gtk_adjustment_value_changed (adjustment);
+}
+
+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 = gtk_type_new (GTK_TYPE_SPIN_BUTTON);
+
+ 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.
+ *
+ * Return value: The new spin button as a #GtkWidget.
+ **/
+GtkWidget *
+gtk_spin_button_new_with_range (gdouble min,
+ gdouble max,
+ gdouble step)
+{
+ GtkObject *adj;
+ GtkSpinButton *spin;
+ gint digits;
+
+ g_return_val_if_fail (min < max, NULL);
+ g_return_val_if_fail (step != 0.0, NULL);
+
+ spin = gtk_type_new (GTK_TYPE_SPIN_BUTTON);
+
+ adj = 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, GTK_ADJUSTMENT (adj), 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
-gtk_spin_button_activate (GtkEditable *editable)
+adjustment_changed_cb (GtkAdjustment *adjustment, gpointer data)
{
- g_return_if_fail (editable != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (editable));
+ GtkSpinButton *spin_button;
+
+ spin_button = GTK_SPIN_BUTTON (data);
- if (editable->editable)
- gtk_spin_button_update (GTK_SPIN_BUTTON (editable));
+ spin_button->timer_step = spin_button->adjustment->step_increment;
+ 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)
{
- g_return_if_fail (spin_button != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
if (spin_button->adjustment != adjustment)
{
gtk_object_ref (GTK_OBJECT (adjustment));
gtk_object_sink (GTK_OBJECT (adjustment));
- gtk_signal_connect
- (GTK_OBJECT (adjustment), "value_changed",
- (GtkSignalFunc) gtk_spin_button_value_changed,
- (gpointer) spin_button);
+ gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed",
+ (GtkSignalFunc) gtk_spin_button_value_changed,
+ (gpointer) spin_button);
+ gtk_signal_connect (GTK_OBJECT (adjustment), "changed",
+ (GtkSignalFunc) adjustment_changed_cb,
+ (gpointer) spin_button);
}
+
+ gtk_widget_queue_resize (GTK_WIDGET (spin_button));
+
+ spin_button->timer_step = spin_button->adjustment->step_increment;
}
+
+ g_object_notify (G_OBJECT (spin_button), "adjustment");
}
+/**
+ * gtk_spin_button_get_adjustment:
+ * @spin_button:
+ *
+ * Get the adjustment associated with a #GtkSpinButton
+ *
+ * Return value: the #GtkAdjustment of @spin_button
+ **/
GtkAdjustment *
gtk_spin_button_get_adjustment (GtkSpinButton *spin_button)
{
- g_return_val_if_fail (spin_button != NULL, NULL);
g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), NULL);
return spin_button->adjustment;
}
+/**
+ * gtk_spin_button_set_digits:
+ * @spin_button: a #GtkSpinButton
+ * @digits: the number of digits 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,
- gint digits)
+ guint digits)
{
- g_return_if_fail (spin_button != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- g_return_if_fail (digits >= 0 || digits < 6);
if (spin_button->digits != digits)
{
spin_button->digits = digits;
- gtk_signal_emit_by_name (GTK_OBJECT (spin_button->adjustment),
- "value_changed");
+ gtk_spin_button_value_changed (spin_button->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));
}
}
-gfloat
-gtk_spin_button_get_value_as_float (GtkSpinButton *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->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)
+{
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ spin_button->adjustment->step_increment = step;
+ spin_button->adjustment->page_increment = page;
+}
+
+/**
+ * gtk_spin_button_get_increments:
+ * @spin_button: a #GtkSpinButton
+ * @step: location to store step increment, or %NULL
+ * @page: 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)
+{
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ if (step)
+ *step = spin_button->adjustment->step_increment;
+ if (page)
+ *page = spin_button->adjustment->page_increment;
+}
+
+/**
+ * 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
+ **/
+void
+gtk_spin_button_set_range (GtkSpinButton *spin_button,
+ gdouble min,
+ gdouble max)
+{
+ gdouble value;
+
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ spin_button->adjustment->lower = min;
+ spin_button->adjustment->upper = max;
+
+ value = CLAMP (spin_button->adjustment->value,
+ spin_button->adjustment->lower,
+ (spin_button->adjustment->upper - spin_button->adjustment->page_size));
+
+ if (value != spin_button->adjustment->value)
+ gtk_spin_button_set_value (spin_button, value);
+
+ gtk_adjustment_changed (spin_button->adjustment);
+}
+
+/**
+ * gtk_spin_button_get_range:
+ * @spin_button: a #GtkSpinButton
+ * @min: location to store minimum allowed value, or %NULL
+ * @max: 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)
+{
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ if (min)
+ *min = spin_button->adjustment->lower;
+ if (max)
+ *max = spin_button->adjustment->upper;
+}
+
+/**
+ * gtk_spin_button_get_value:
+ * @spin_button: a #GtkSpinButton
+ *
+ * Get the value in the @spin_button.
+ *
+ * Return value: the value of @spin_button
+ **/
+gdouble
+gtk_spin_button_get_value (GtkSpinButton *spin_button)
{
- g_return_val_if_fail (spin_button != NULL, 0.0);
g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0.0);
return spin_button->adjustment->value;
}
+/**
+ * gtk_spin_button_get_value_as_int:
+ * @spin_button: a #GtkSpinButton
+ *
+ * Get the value @spin_button represented as an integer.
+ *
+ * Return value: the value of @spin_button
+ **/
gint
gtk_spin_button_get_value_as_int (GtkSpinButton *spin_button)
{
- gfloat val;
+ gdouble val;
- g_return_val_if_fail (spin_button != NULL, 0);
g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), 0);
val = spin_button->adjustment->value;
return ceil (val);
}
+/**
+ * gtk_spin_button_set_value:
+ * @spin_button: a #GtkSpinButton
+ * @value: the new value
+ *
+ * Set the value of @spin_button.
+ **/
void
gtk_spin_button_set_value (GtkSpinButton *spin_button,
- gfloat value)
+ gdouble value)
{
- g_return_if_fail (spin_button != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- if (spin_button->adjustment->value != value)
+ if (fabs (value - spin_button->adjustment->value) > EPSILON)
gtk_adjustment_set_value (spin_button->adjustment, value);
+ else
+ {
+ gint return_val = FALSE;
+ gtk_signal_emit (GTK_OBJECT (spin_button), spinbutton_signals[OUTPUT],
+ &return_val);
+ if (return_val == FALSE)
+ 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)
{
- g_return_if_fail (spin_button != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- spin_button->update_policy = policy;
- if (policy & GTK_UPDATE_SNAP_TO_TICKS)
+ if (spin_button->update_policy != policy)
{
- gchar *error = NULL;
- gfloat val;
-
- val = strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &error);
- gtk_spin_button_snap (spin_button, val);
+ spin_button->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().
+ *
+ * Return value: 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->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,
- gint numeric)
+ gboolean numeric)
{
- g_return_if_fail (spin_button != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- spin_button->numeric = (numeric != 0);
+ numeric = numeric != FALSE;
+
+ if (spin_button->numeric != numeric)
+ {
+ spin_button->numeric = numeric;
+ g_object_notify (G_OBJECT (spin_button), "numeric");
+ }
}
-static void
-gtk_spin_button_insert_text (GtkEditable *editable,
- const gchar *new_text,
- gint new_text_length,
- gint *position)
+/**
+ * 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().
+ *
+ * Return value: %TRUE if only numeric text can be entered
+ **/
+gboolean
+gtk_spin_button_get_numeric (GtkSpinButton *spin_button)
{
- GtkEntry *entry;
- GtkSpinButton *spin;
-
- g_return_if_fail (editable != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (editable));
+ g_return_val_if_fail (GTK_IS_SPIN_BUTTON (spin_button), FALSE);
- entry = GTK_ENTRY (editable);
- spin = GTK_SPIN_BUTTON (editable);
+ return spin_button->numeric;
+}
- if (spin->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)
+{
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ wrap = wrap != FALSE;
+
+ if (spin_button->wrap != wrap)
{
- struct lconv *lc;
- gboolean sign;
- gint dotpos = -1;
- gint i;
- gchar pos_sign;
- gchar neg_sign;
+ spin_button->wrap = (wrap != 0);
+
+ g_object_notify (G_OBJECT (spin_button), "wrap");
+ }
+}
- lc = localeconv ();
+/**
+ * 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().
+ *
+ * Return value: %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);
- if (*(lc->negative_sign))
- neg_sign = *(lc->negative_sign);
- else
- neg_sign = '-';
+ return spin_button->wrap;
+}
- if (*(lc->positive_sign))
- pos_sign = *(lc->positive_sign);
- else
- pos_sign = '+';
+static gint
+spin_button_get_arrow_size (GtkSpinButton *spin_button)
+{
+ gint size = pango_font_description_get_size (GTK_WIDGET (spin_button)->style->font_desc);
+ gint arrow_size;
- sign = ((strchr (entry->text, neg_sign) != 0) ||
- (strchr (entry->text, pos_sign) != 0));
+ arrow_size = MAX (PANGO_PIXELS (size), MIN_ARROW_WIDTH);
- if (sign && !(*position))
- return;
+ return arrow_size - arrow_size % 2; /* force even */
+}
- dotpos = strchr (entry->text, *(lc->decimal_point)) - entry->text;
-
- if (dotpos > -1 && *position > dotpos &&
- spin->digits - entry->text_length + dotpos - new_text_length + 1 < 0)
- return;
+/**
+ * spin_button_get_shadow_type:
+ * @spin_button: a #GtkSpinButton
+ *
+ * Convenience function to Get the shadow type from the underlying widget's
+ * style.
+ *
+ * Return value: the #GtkShadowType
+ **/
+static gint
+spin_button_get_shadow_type (GtkSpinButton *spin_button)
+{
+ GtkShadowType rc_shadow_type;
- 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 (!spin->digits || dotpos > -1 ||
- (new_text_length - 1 - i + entry->text_length - *position >
- spin->digits))
- return;
- dotpos = *position + i;
- }
- else if (new_text[i] < 0x30 || new_text[i] > 0x39)
- return;
- }
- }
+ gtk_widget_style_get (GTK_WIDGET (spin_button), "shadow_type", &rc_shadow_type, NULL);
- GTK_EDITABLE_CLASS (parent_class)->insert_text (editable, new_text,
- new_text_length, position);
+ return rc_shadow_type;
}
+/**
+ * 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_wrap (GtkSpinButton *spin_button,
- gint wrap)
+gtk_spin_button_set_snap_to_ticks (GtkSpinButton *spin_button,
+ gboolean snap_to_ticks)
{
- g_return_if_fail (spin_button != NULL);
+ guint new_val;
+
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- spin_button->wrap = (wrap != 0);
+ new_val = (snap_to_ticks != 0);
+
+ if (new_val != spin_button->snap_to_ticks)
+ {
+ spin_button->snap_to_ticks = new_val;
+ if (new_val && GTK_ENTRY (spin_button)->editable)
+ 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().
+ *
+ * Return value: %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->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_set_shadow_type (GtkSpinButton *spin_button,
- GtkShadowType shadow_type)
+gtk_spin_button_spin (GtkSpinButton *spin_button,
+ GtkSpinType direction,
+ gdouble increment)
+{
+ GtkAdjustment *adj;
+ gdouble diff;
+
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ adj = spin_button->adjustment;
+
+ /* for compatibility with the 1.0.x version of this function */
+ if (increment != 0 && increment != adj->step_increment &&
+ (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, adj->step_increment);
+ break;
+
+ case GTK_SPIN_STEP_BACKWARD:
+
+ gtk_spin_button_real_spin (spin_button, -adj->step_increment);
+ break;
+
+ case GTK_SPIN_PAGE_FORWARD:
+
+ gtk_spin_button_real_spin (spin_button, adj->page_increment);
+ break;
+
+ case GTK_SPIN_PAGE_BACKWARD:
+
+ gtk_spin_button_real_spin (spin_button, -adj->page_increment);
+ break;
+
+ case GTK_SPIN_HOME:
+
+ diff = adj->value - adj->lower;
+ if (diff > EPSILON)
+ gtk_spin_button_real_spin (spin_button, -diff);
+ break;
+
+ case GTK_SPIN_END:
+
+ diff = adj->upper - adj->value;
+ 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)
{
- g_return_if_fail (spin_button != NULL);
+ gdouble val;
+ gint error = 0;
+ gint return_val;
+
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- if (shadow_type != spin_button->shadow_type)
+ return_val = FALSE;
+ gtk_signal_emit (GTK_OBJECT (spin_button), spinbutton_signals[INPUT],
+ &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;
+
+ spin_button_redraw (spin_button);
+
+ if (spin_button->update_policy == GTK_UPDATE_ALWAYS)
+ {
+ if (val < spin_button->adjustment->lower)
+ val = spin_button->adjustment->lower;
+ else if (val > spin_button->adjustment->upper)
+ val = spin_button->adjustment->upper;
+ }
+ else if ((spin_button->update_policy == GTK_UPDATE_IF_VALID) &&
+ (error ||
+ val < spin_button->adjustment->lower ||
+ val > spin_button->adjustment->upper))
+ {
+ gtk_spin_button_value_changed (spin_button->adjustment, spin_button);
+ return;
+ }
+
+ if (spin_button->snap_to_ticks)
+ gtk_spin_button_snap (spin_button, val);
+ else
{
- spin_button->shadow_type = shadow_type;
- if (GTK_WIDGET_DRAWABLE (spin_button))
- gdk_window_clear (spin_button->panel);
+ if (fabs (val - spin_button->adjustment->value) > EPSILON)
+ gtk_adjustment_set_value (spin_button->adjustment, val);
+ else
+ {
+ return_val = FALSE;
+ gtk_signal_emit (GTK_OBJECT (spin_button), spinbutton_signals[OUTPUT],
+ &return_val);
+ if (return_val == FALSE)
+ gtk_spin_button_default_output (spin_button);
+ }
}
}
+
+static void
+spin_button_redraw (GtkSpinButton *spin_button)
+{
+ GtkWidget *widget;
+
+ widget = GTK_WIDGET (spin_button);
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ gtk_widget_queue_draw (widget);
+
+ /* We must invalidate the panel window ourselves, because it
+ * is not a child of widget->window
+ */
+ gdk_window_invalidate_rect (spin_button->panel, NULL, TRUE);
+ }
+}
projects / ~andy / gtk / blobdiff