/* 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 Library General Public
* License as published by the Free Software Foundation; either
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
+#include <string.h>
+#include <locale.h>
#include "gdk/gdkkeysyms.h"
#include "gtkspinbutton.h"
#include "gtkmain.h"
#include "gtksignal.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 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-5
+
+enum {
+ ARG_0,
+ ARG_ADJUSTMENT,
+ ARG_CLIMB_RATE,
+ ARG_DIGITS,
+ ARG_SNAP_TO_TICKS,
+ ARG_NUMERIC,
+ ARG_WRAP,
+ ARG_UPDATE_POLICY,
+ ARG_SHADOW_TYPE,
+ ARG_VALUE
+};
static void gtk_spin_button_class_init (GtkSpinButtonClass *klass);
static void gtk_spin_button_init (GtkSpinButton *spin_button);
static void gtk_spin_button_finalize (GtkObject *object);
+static void gtk_spin_button_set_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id);
+static void gtk_spin_button_get_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id);
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_draw_arrow (GtkSpinButton *spin_button,
guint arrow);
static gint gtk_spin_button_timer (GtkSpinButton *spin_button);
-static void gtk_spin_button_spin (GtkSpinButton *spin_button,
- guint direction,
- gfloat step);
-static void gtk_spin_button_value_changed (GtkWidget *widget,
+static void gtk_spin_button_value_changed (GtkAdjustment *adjustment,
GtkSpinButton *spin_button);
static gint gtk_spin_button_key_press (GtkWidget *widget,
GdkEventKey *event);
+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_changed (GtkEditable *editable);
-static void gtk_spin_button_activate (GtkEntry *entry);
+static void gtk_spin_button_activate (GtkEditable *editable);
+static void gtk_spin_button_snap (GtkSpinButton *spin_button,
+ gfloat 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,
+ gfloat step);
-static GtkWidgetClass *parent_class = NULL;
+static GtkEntryClass *parent_class = NULL;
-guint
-gtk_spin_button_get_type ()
+GtkType
+gtk_spin_button_get_type (void)
{
static guint 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);
+ spin_button_type = gtk_type_unique (GTK_TYPE_ENTRY, &spin_button_info);
}
return spin_button_type;
}
static void
gtk_spin_button_class_init (GtkSpinButtonClass *class)
{
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
GtkEditableClass *editable_class;
- GtkEntryClass *entry_class;
-
- object_class = (GtkObjectClass*) class;
- widget_class = (GtkWidgetClass*) class;
- entry_class = (GtkEntryClass*) class;
- editable_class = (GtkEditableClass*) class;
- parent_class = gtk_type_class (gtk_entry_get_type ());
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+ editable_class = (GtkEditableClass*) class;
+
+ parent_class = gtk_type_class (GTK_TYPE_ENTRY);
+
+ gtk_object_add_arg_type ("GtkSpinButton::adjustment",
+ GTK_TYPE_ADJUSTMENT,
+ GTK_ARG_READWRITE,
+ ARG_ADJUSTMENT);
+ gtk_object_add_arg_type ("GtkSpinButton::climb_rate",
+ GTK_TYPE_FLOAT,
+ GTK_ARG_READWRITE,
+ ARG_CLIMB_RATE);
+ gtk_object_add_arg_type ("GtkSpinButton::digits",
+ GTK_TYPE_UINT,
+ GTK_ARG_READWRITE,
+ ARG_DIGITS);
+ gtk_object_add_arg_type ("GtkSpinButton::snap_to_ticks",
+ GTK_TYPE_BOOL,
+ GTK_ARG_READWRITE,
+ ARG_SNAP_TO_TICKS);
+ gtk_object_add_arg_type ("GtkSpinButton::numeric",
+ GTK_TYPE_BOOL,
+ GTK_ARG_READWRITE,
+ ARG_NUMERIC);
+ gtk_object_add_arg_type ("GtkSpinButton::wrap",
+ GTK_TYPE_BOOL,
+ GTK_ARG_READWRITE,
+ ARG_WRAP);
+ gtk_object_add_arg_type ("GtkSpinButton::update_policy",
+ GTK_TYPE_SPIN_BUTTON_UPDATE_POLICY,
+ GTK_ARG_READWRITE,
+ ARG_UPDATE_POLICY);
+ gtk_object_add_arg_type ("GtkSpinButton::shadow_type",
+ GTK_TYPE_SHADOW_TYPE,
+ GTK_ARG_READWRITE,
+ ARG_SHADOW_TYPE);
+ gtk_object_add_arg_type ("GtkSpinButton::value",
+ GTK_TYPE_FLOAT,
+ GTK_ARG_READWRITE,
+ ARG_VALUE);
+
+ object_class->set_arg = gtk_spin_button_set_arg;
+ object_class->get_arg = gtk_spin_button_get_arg;
object_class->finalize = gtk_spin_button_finalize;
widget_class->map = gtk_spin_button_map;
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;
- editable_class->changed = gtk_spin_button_changed;
- entry_class->activate = gtk_spin_button_activate;
+ editable_class->insert_text = gtk_spin_button_insert_text;
+ editable_class->activate = gtk_spin_button_activate;
+}
+
+static void
+gtk_spin_button_set_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id)
+{
+ GtkSpinButton *spin_button;
+
+ spin_button = GTK_SPIN_BUTTON (object);
+
+ switch (arg_id)
+ {
+ GtkAdjustment *adjustment;
+
+ case ARG_ADJUSTMENT:
+ adjustment = GTK_VALUE_POINTER (*arg);
+ 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 ARG_CLIMB_RATE:
+ gtk_spin_button_configure (spin_button,
+ spin_button->adjustment,
+ GTK_VALUE_FLOAT (*arg),
+ spin_button->digits);
+ break;
+ case ARG_DIGITS:
+ gtk_spin_button_configure (spin_button,
+ spin_button->adjustment,
+ spin_button->climb_rate,
+ GTK_VALUE_UINT (*arg));
+ break;
+ case ARG_SNAP_TO_TICKS:
+ gtk_spin_button_set_snap_to_ticks (spin_button, GTK_VALUE_BOOL (*arg));
+ break;
+ case ARG_NUMERIC:
+ gtk_spin_button_set_numeric (spin_button, GTK_VALUE_BOOL (*arg));
+ break;
+ case ARG_WRAP:
+ gtk_spin_button_set_wrap (spin_button, GTK_VALUE_BOOL (*arg));
+ break;
+ case ARG_UPDATE_POLICY:
+ gtk_spin_button_set_update_policy (spin_button, GTK_VALUE_ENUM (*arg));
+ break;
+ case ARG_SHADOW_TYPE:
+ gtk_spin_button_set_shadow_type (spin_button, GTK_VALUE_ENUM (*arg));
+ break;
+ case ARG_VALUE:
+ gtk_spin_button_set_value (spin_button, GTK_VALUE_FLOAT (*arg));
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gtk_spin_button_get_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id)
+{
+ GtkSpinButton *spin_button;
+
+ spin_button = GTK_SPIN_BUTTON (object);
+
+ switch (arg_id)
+ {
+ case ARG_ADJUSTMENT:
+ GTK_VALUE_POINTER (*arg) = spin_button->adjustment;
+ break;
+ case ARG_CLIMB_RATE:
+ GTK_VALUE_FLOAT (*arg) = spin_button->climb_rate;
+ break;
+ case ARG_DIGITS:
+ GTK_VALUE_UINT (*arg) = spin_button->digits;
+ break;
+ case ARG_SNAP_TO_TICKS:
+ GTK_VALUE_BOOL (*arg) = spin_button->snap_to_ticks;
+ break;
+ case ARG_NUMERIC:
+ GTK_VALUE_BOOL (*arg) = spin_button->numeric;
+ break;
+ case ARG_WRAP:
+ GTK_VALUE_BOOL (*arg) = spin_button->wrap;
+ break;
+ case ARG_UPDATE_POLICY:
+ GTK_VALUE_ENUM (*arg) = spin_button->update_policy;
+ break;
+ case ARG_SHADOW_TYPE:
+ GTK_VALUE_ENUM (*arg) = spin_button->shadow_type;
+ break;
+ case ARG_VALUE:
+ GTK_VALUE_FLOAT (*arg) = spin_button->adjustment->value;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
}
static void
gtk_spin_button_init (GtkSpinButton *spin_button)
{
spin_button->adjustment = NULL;
- spin_button->panel = NULL;
-
+ spin_button->panel = NULL;
+ spin_button->shadow_type = GTK_SHADOW_NONE;
spin_button->timer = 0;
+ spin_button->ev_time = 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->snapped = 0;
+ spin_button->update_policy = GTK_UPDATE_ALWAYS;
spin_button->in_child = 2;
spin_button->click_child = 2;
spin_button->button = 0;
- spin_button->need_timer = 0;
+ spin_button->need_timer = FALSE;
spin_button->timer_calls = 0;
spin_button->digits = 0;
-}
-
-GtkWidget*
-gtk_spin_button_new (GtkAdjustment *adjustment,
- gfloat climb_rate,
- gint digits)
-{
- GtkSpinButton *spin;
- char buf[MAX_TEXT_LENGTH];
-
- g_return_val_if_fail (digits >= 0 && digits < 128, NULL);
-
- spin = gtk_type_new (gtk_spin_button_get_type ());
+ spin_button->numeric = FALSE;
+ spin_button->wrap = FALSE;
+ spin_button->snap_to_ticks = FALSE;
- if (!adjustment)
- adjustment = (GtkAdjustment*) gtk_adjustment_new (0, 0, 0, 0, 0, 0);
-
- gtk_spin_button_set_adjustment (GTK_SPIN_BUTTON (spin), adjustment);
- spin->digits = digits;
- sprintf (buf, "%0.*f", digits, adjustment->value);
- gtk_entry_set_text (GTK_ENTRY (spin), buf);
- spin->climb_rate = climb_rate;
-
- return GTK_WIDGET (spin);
+ gtk_spin_button_set_adjustment (spin_button,
+ (GtkAdjustment*) gtk_adjustment_new (0, 0, 0, 0, 0, 0));
}
static void
gtk_object_unref (GTK_OBJECT (GTK_SPIN_BUTTON (object)->adjustment));
- (* GTK_OBJECT_CLASS (parent_class)->finalize) (object);
+ GTK_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
- if (!GTK_WIDGET_MAPPED (widget))
+ if (GTK_WIDGET_REALIZED (widget) && !GTK_WIDGET_MAPPED (widget))
{
- gdk_window_show (GTK_SPIN_BUTTON (widget)->panel);
GTK_WIDGET_CLASS (parent_class)->map (widget);
+ gdk_window_show (GTK_SPIN_BUTTON (widget)->panel);
}
}
GtkSpinButton *spin;
GdkWindowAttr attributes;
gint attributes_mask;
+ guint real_width;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (widget));
-
+
spin = GTK_SPIN_BUTTON (widget);
+ real_width = widget->allocation.width;
+ widget->allocation.width -= ARROW_SIZE + 2 * widget->style->klass->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.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
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.y = widget->allocation.y;
-
- attributes.width = ARROW_SIZE;
- attributes.height = widget->allocation.height;
+ attributes.x = (widget->allocation.x + widget->allocation.width - ARROW_SIZE -
+ 2 * widget->style->klass->xthickness);
+ attributes.y = widget->allocation.y + (widget->allocation.height -
+ widget->requisition.height) / 2;
+ attributes.width = ARROW_SIZE + 2 * widget->style->klass->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);
gtk_style_set_background (widget->style, spin->panel, GTK_STATE_NORMAL);
-
- gdk_window_set_user_data (spin->panel, widget);
}
static void
if (spin->panel)
{
+ gdk_window_set_user_data (spin->panel, NULL);
gdk_window_destroy (spin->panel);
spin->panel = NULL;
}
g_return_if_fail (allocation != NULL);
child_allocation = *allocation;
- child_allocation.width = allocation->width - ARROW_SIZE
- - 2 * widget->style->klass->xthickness;
- child_allocation.height = allocation->height;
+ child_allocation.width -= ARROW_SIZE + 2 * widget->style->klass->xthickness;
GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, &child_allocation);
widget->allocation = *allocation;
-
- 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);
+
+ 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);
+ }
}
static void
if (GTK_WIDGET_DRAWABLE (widget))
{
- gtk_draw_shadow (widget->style, spin->panel,
- GTK_STATE_NORMAL, GTK_SHADOW_OUT,
- 0, 0, ARROW_SIZE + 2 * widget->style->klass->xthickness,
+ if (spin->shadow_type != GTK_SHADOW_NONE)
+ gtk_paint_box (widget->style, spin->panel,
+ GTK_STATE_NORMAL, spin->shadow_type,
+ area, widget, "spinbutton",
+ 0, 0,
+ ARROW_SIZE + 2 * widget->style->klass->xthickness,
widget->requisition.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);
+ else
+ {
+ gdk_window_set_back_pixmap (spin->panel, NULL, TRUE);
+ gdk_window_clear_area (spin->panel, area->x, area->y, area->width, area->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);
}
}
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);
}
GtkStateType state_type;
GtkShadowType shadow_type;
GtkWidget *widget;
+ gint x;
+ gint y;
g_return_if_fail (spin_button != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
if (GTK_WIDGET_DRAWABLE (spin_button))
{
- if (spin_button->in_child == arrow)
- {
- if (spin_button->click_child == arrow)
- state_type = GTK_STATE_ACTIVE;
- else
- state_type = GTK_STATE_PRELIGHT;
- }
- else
- state_type = GTK_STATE_NORMAL;
-
- if (spin_button->click_child == arrow)
- shadow_type = GTK_SHADOW_IN;
+ if (!spin_button->wrap &&
+ (((arrow == GTK_ARROW_UP &&
+ (spin_button->adjustment->upper - spin_button->adjustment->value
+ <= EPSILON))) ||
+ ((arrow == GTK_ARROW_DOWN &&
+ (spin_button->adjustment->value - spin_button->adjustment->lower
+ <= EPSILON)))))
+ {
+ shadow_type = GTK_SHADOW_ETCHED_IN;
+ state_type = GTK_STATE_NORMAL;
+ }
else
- shadow_type = GTK_SHADOW_OUT;
-
+ {
+ if (spin_button->in_child == arrow)
+ {
+ if (spin_button->click_child == arrow)
+ state_type = GTK_STATE_ACTIVE;
+ else
+ state_type = GTK_STATE_PRELIGHT;
+ }
+ else
+ state_type = GTK_STATE_NORMAL;
+
+ if (spin_button->click_child == arrow)
+ shadow_type = GTK_SHADOW_IN;
+ else
+ shadow_type = GTK_SHADOW_OUT;
+ }
if (arrow == GTK_ARROW_UP)
{
- 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);
+ if (spin_button->shadow_type != GTK_SHADOW_NONE)
+ {
+ x = widget->style->klass->xthickness;
+ y = widget->style->klass->ythickness;
+ }
+ else
+ {
+ x = widget->style->klass->xthickness - 1;
+ y = widget->style->klass->ythickness - 1;
+ }
+ gtk_paint_arrow (widget->style, spin_button->panel,
+ state_type, shadow_type,
+ NULL, widget, "spinbutton",
+ arrow, TRUE,
+ x, y, ARROW_SIZE, widget->requisition.height / 2
+ - widget->style->klass->ythickness);
}
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);
+ if (spin_button->shadow_type != GTK_SHADOW_NONE)
+ {
+ x = widget->style->klass->xthickness;
+ y = widget->requisition.height / 2;
+ }
+ else
+ {
+ x = widget->style->klass->xthickness - 1;
+ y = widget->requisition.height / 2 + 1;
+ }
+ gtk_paint_arrow (widget->style, spin_button->panel,
+ state_type, shadow_type,
+ NULL, widget, "spinbutton",
+ arrow, TRUE,
+ x, y, ARROW_SIZE, widget->requisition.height / 2
+ - widget->style->klass->ythickness);
}
}
}
gtk_spin_button_focus_out (GtkWidget *widget,
GdkEventFocus *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);
- if ((spin->update_policy & GTK_UPDATE_SNAP_TO_TICKS) && !spin->snapped)
- gtk_spin_button_update (spin);
+ gtk_spin_button_update (GTK_SPIN_BUTTON (widget));
- GTK_WIDGET_CLASS (parent_class)->focus_out_event (widget, event);
-
- return FALSE;
+ return GTK_WIDGET_CLASS (parent_class)->focus_out_event (widget, event);
}
static gint
gtk_widget_grab_focus (widget);
gtk_grab_add (widget);
spin->button = event->button;
-
+
+ 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);
+ gtk_spin_button_real_spin (spin,
+ spin->adjustment->step_increment);
if (!spin->timer)
{
spin->timer_step = spin->adjustment->step_increment;
}
else if (event->button == 2)
{
- gtk_spin_button_spin (spin, spin->click_child,
- spin->adjustment->page_increment);
+ gtk_spin_button_real_spin (spin,
+ spin->adjustment->page_increment);
if (!spin->timer)
{
spin->timer_step = spin->adjustment->page_increment;
spin->click_child = GTK_ARROW_DOWN;
if (event->button == 1)
{
- gtk_spin_button_spin (spin, spin->click_child,
- spin->adjustment->step_increment);
+ gtk_spin_button_real_spin (spin,
+ -spin->adjustment->step_increment);
if (!spin->timer)
{
spin->timer_step = spin->adjustment->step_increment;
}
else if (event->button == 2)
{
- gtk_spin_button_spin (spin, spin->click_child,
- spin->adjustment->page_increment);
+ gtk_spin_button_real_spin (spin,
+ -spin->adjustment->page_increment);
if (!spin->timer)
{
spin->timer_step = spin->adjustment->page_increment;
gtk_spin_button_draw_arrow (spin, GTK_ARROW_DOWN);
}
}
- else
+ else
GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event);
}
return FALSE;
g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
- if (event->type != GDK_BUTTON_RELEASE)
- return FALSE;
-
spin = GTK_SPIN_BUTTON (widget);
if (event->button == spin->button)
event->x <= ARROW_SIZE + 2 * widget->style->klass->xthickness)
{
if (spin->click_child == GTK_ARROW_UP &&
- spin->adjustment->value < spin->adjustment->upper &&
event->y <= widget->requisition.height / 2)
{
- spin->adjustment->value = spin->adjustment->upper;
- gtk_signal_emit_by_name (GTK_OBJECT (spin->adjustment),
- "value_changed");
+ gfloat 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)
{
- spin->adjustment->value = spin->adjustment->lower;
- gtk_signal_emit_by_name (GTK_OBJECT (spin->adjustment),
- "value_changed");
+ gfloat diff;
+
+ diff = spin->adjustment->value - spin->adjustment->lower;
+ if (diff > EPSILON)
+ gtk_spin_button_real_spin (spin, -diff);
}
}
}
return FALSE;
}
- GTK_WIDGET_CLASS (parent_class)->motion_notify_event (widget, event);
-
- return FALSE;
+ return GTK_WIDGET_CLASS (parent_class)->motion_notify_event (widget, event);
}
static gint
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)
+ {
+ 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->timer_calls < MAX_TIMER_CALLS)
spin_button->timer_calls++;
spin_button->timer_calls = 0;
spin_button->timer_step += spin_button->climb_rate;
}
- }
+ }
return TRUE;
}
return FALSE;
}
static void
-gtk_spin_button_spin (GtkSpinButton *spin_button,
- guint direction,
- gfloat step)
-{
- gfloat new_value = 0.0;
-
- g_return_if_fail (spin_button != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
-
- if (direction == GTK_ARROW_UP)
- {
- new_value = MIN (spin_button->adjustment->value + step,
- spin_button->adjustment->upper);
- }
- else if (direction == GTK_ARROW_DOWN)
- {
- new_value = MAX (spin_button->adjustment->value - step,
- spin_button->adjustment->lower);
- }
-
- if (new_value != spin_button->adjustment->value)
- {
- spin_button->adjustment->value = new_value;
- gtk_signal_emit_by_name (GTK_OBJECT (spin_button->adjustment),
- "value_changed");
- }
-}
-
-static void
-gtk_spin_button_value_changed (GtkWidget *widget,
+gtk_spin_button_value_changed (GtkAdjustment *adjustment,
GtkSpinButton *spin_button)
{
char buf[MAX_TEXT_LENGTH];
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_ADJUSTMENT (widget));
+ g_return_if_fail (adjustment != NULL);
+ g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
- sprintf (buf, "%0.*f", spin_button->digits, spin_button->adjustment->value);
+ sprintf (buf, "%0.*f", spin_button->digits, adjustment->value);
gtk_entry_set_text (GTK_ENTRY (spin_button), buf);
}
-
+
static gint
gtk_spin_button_key_press (GtkWidget *widget,
GdkEventKey *event)
{
GtkSpinButton *spin;
-
+ gint key;
+ gboolean key_repeat = FALSE;
+
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);
+ key = event->keyval;
+
+ key_repeat = (event->time == spin->ev_time);
+
+ if (key == GDK_Up || key == GDK_Down ||
+ key == GDK_Page_Up || key == GDK_Page_Down)
+ gtk_spin_button_update (spin);
- switch (event->keyval)
+ switch (key)
{
case GDK_Up:
+
if (GTK_WIDGET_HAS_FOCUS (widget))
{
gtk_signal_emit_stop_by_name (GTK_OBJECT (widget),
"key_press_event");
- gtk_spin_button_spin (spin, GTK_ARROW_UP,
- spin->adjustment->step_increment);
+ if (!key_repeat)
+ spin->timer_step = spin->adjustment->step_increment;
+
+ gtk_spin_button_real_spin (spin, spin->timer_step);
+
+ if (key_repeat)
+ {
+ 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;
+ }
+ }
+ }
return TRUE;
}
return FALSE;
+
case GDK_Down:
+
if (GTK_WIDGET_HAS_FOCUS (widget))
{
gtk_signal_emit_stop_by_name (GTK_OBJECT (widget),
"key_press_event");
- gtk_spin_button_spin (spin, GTK_ARROW_DOWN,
- spin->adjustment->step_increment);
+ if (!key_repeat)
+ spin->timer_step = spin->adjustment->step_increment;
+
+ gtk_spin_button_real_spin (spin, -spin->timer_step);
+
+ if (key_repeat)
+ {
+ 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;
+ }
+ }
+ }
return TRUE;
}
return FALSE;
+
case GDK_Page_Up:
+
if (event->state & GDK_CONTROL_MASK)
{
- spin->adjustment->value = spin->adjustment->upper;
- gtk_signal_emit_by_name (GTK_OBJECT (spin->adjustment),
- "value_changed");
+ gfloat diff = spin->adjustment->upper - spin->adjustment->value;
+ if (diff > EPSILON)
+ gtk_spin_button_real_spin (spin, diff);
}
else
- gtk_spin_button_spin (spin, GTK_ARROW_UP,
- spin->adjustment->page_increment);
+ gtk_spin_button_real_spin (spin, spin->adjustment->page_increment);
return TRUE;
+
case GDK_Page_Down:
+
if (event->state & GDK_CONTROL_MASK)
{
- spin->adjustment->value = spin->adjustment->lower;
- gtk_signal_emit_by_name (GTK_OBJECT (spin->adjustment),
- "value_changed");
+ gfloat diff = spin->adjustment->value - spin->adjustment->lower;
+ if (diff > EPSILON)
+ gtk_spin_button_real_spin (spin, -diff);
}
else
- gtk_spin_button_spin (spin, GTK_ARROW_DOWN,
- spin->adjustment->page_increment);
+ gtk_spin_button_real_spin (spin, -spin->adjustment->page_increment);
return TRUE;
+
default:
break;
}
+
return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event);
}
+static gint
+gtk_spin_button_key_release (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ GtkSpinButton *spin;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_SPIN_BUTTON (widget), FALSE);
+
+ spin = GTK_SPIN_BUTTON (widget);
+
+ spin->ev_time = event->time;
+ return TRUE;
+}
+
+static void
+gtk_spin_button_snap (GtkSpinButton *spin_button,
+ gfloat 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;
+ else
+ val = spin_button->adjustment->lower + ceil (tmp) * inc;
+
+ if (fabs (val - spin_button->adjustment->value) > EPSILON)
+ gtk_adjustment_set_value (spin_button->adjustment, val);
+ else
+ {
+ char buf[MAX_TEXT_LENGTH];
+
+ sprintf (buf, "%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);
+ }
+}
+
static void
gtk_spin_button_update (GtkSpinButton *spin_button)
{
- gfloat tmp;
gfloat val;
gchar *error = NULL;
g_return_if_fail (spin_button != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
- val = strtod (GTK_ENTRY (spin_button)->text, &error);
-
- if (spin_button->update_policy & GTK_UPDATE_ALWAYS)
+ val = strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &error);
+
+ 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) &&
+ else if ((spin_button->update_policy == GTK_UPDATE_IF_VALID) &&
(*error ||
val < spin_button->adjustment->lower ||
val > spin_button->adjustment->upper))
{
- gtk_signal_emit_by_name (GTK_OBJECT (spin_button->adjustment),
- "value_changed");
+ gtk_spin_button_value_changed (spin_button->adjustment, spin_button);
return;
}
- if (spin_button->update_policy & GTK_UPDATE_SNAP_TO_TICKS)
+ if (spin_button->snap_to_ticks)
+ gtk_spin_button_snap (spin_button, val);
+ else
{
- gfloat inc;
-
- 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;
+ if (fabs (val - spin_button->adjustment->value) > EPSILON)
+ gtk_adjustment_set_value (spin_button->adjustment, val);
else
- val = spin_button->adjustment->lower + ceil (tmp) * inc;
- spin_button->snapped = 1;
+ {
+ char buf[MAX_TEXT_LENGTH];
+
+ sprintf (buf, "%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);
+ }
}
- spin_button->adjustment->value = val;
- gtk_signal_emit_by_name (GTK_OBJECT (spin_button->adjustment),
- "value_changed");
}
static void
-gtk_spin_button_changed (GtkEditable *editable)
+gtk_spin_button_activate (GtkEditable *editable)
{
g_return_if_fail (editable != NULL);
g_return_if_fail (GTK_IS_SPIN_BUTTON (editable));
- GTK_EDITABLE_CLASS (parent_class)->changed (editable);
- if (GTK_WIDGET_VISIBLE (GTK_WIDGET (editable)))
+ if (editable->editable)
+ gtk_spin_button_update (GTK_SPIN_BUTTON (editable));
+}
+
+static void
+gtk_spin_button_insert_text (GtkEditable *editable,
+ const gchar *new_text,
+ gint new_text_length,
+ gint *position)
+{
+ GtkEntry *entry;
+ GtkSpinButton *spin;
+
+ g_return_if_fail (editable != NULL);
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (editable));
+
+ entry = GTK_ENTRY (editable);
+ spin = GTK_SPIN_BUTTON (editable);
+
+ if (spin->numeric)
{
- GtkSpinButton *spin;
- gfloat val;
- gchar *error = NULL;
-
- spin = GTK_SPIN_BUTTON (editable);
- spin->snapped = 0;
-
- val = strtod (GTK_ENTRY (editable)->text, &error);
- if (val < spin->adjustment->lower)
- val = spin->adjustment->lower;
- else if (val > spin->adjustment->upper)
- val = spin->adjustment->upper;
- spin->adjustment->value = val;
+ struct lconv *lc;
+ gboolean sign;
+ gint dotpos = -1;
+ gint i;
+ gchar pos_sign;
+ gchar neg_sign;
+
+ 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 = '+';
+
+ sign = ((strchr (entry->text, neg_sign) != 0) ||
+ (strchr (entry->text, pos_sign) != 0));
+
+ if (sign && !(*position))
+ return;
+
+ 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;
+
+ 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_EDITABLE_CLASS (parent_class)->insert_text (editable, new_text,
+ new_text_length, position);
}
static void
-gtk_spin_button_activate (GtkEntry *entry)
+gtk_spin_button_real_spin (GtkSpinButton *spin_button,
+ gfloat increment)
{
- g_return_if_fail (entry != NULL);
- g_return_if_fail (GTK_IS_SPIN_BUTTON (entry));
+ GtkAdjustment *adj;
+ gfloat new_value = 0.0;
+
+ g_return_if_fail (spin_button != NULL);
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ adj = spin_button->adjustment;
- if (GTK_EDITABLE(entry)->editable)
- gtk_spin_button_update (GTK_SPIN_BUTTON (entry));
+ new_value = adj->value + increment;
+
+ if (increment > 0)
+ {
+ if (spin_button->wrap)
+ {
+ if (fabs (adj->value - adj->upper) < EPSILON)
+ new_value = adj->lower;
+ else if (new_value > adj->upper)
+ new_value = adj->upper;
+ }
+ else
+ new_value = MIN (new_value, adj->upper);
+ }
+ else if (increment < 0)
+ {
+ if (spin_button->wrap)
+ {
+ if (fabs (adj->value - adj->lower) < EPSILON)
+ new_value = adj->upper;
+ else if (new_value < adj->lower)
+ new_value = adj->lower;
+ }
+ else
+ new_value = MAX (new_value, adj->lower);
+ }
+
+ if (fabs (new_value - adj->value) > EPSILON)
+ gtk_adjustment_set_value (adj, new_value);
+}
+
+
+/***********************************************************
+ ***********************************************************
+ *** Public interface ***
+ ***********************************************************
+ ***********************************************************/
+
+
+void
+gtk_spin_button_construct (GtkSpinButton *spin_button,
+ GtkAdjustment *adjustment,
+ gfloat climb_rate,
+ guint digits)
+{
+ g_message ("gtk_spin_button_construct() is deprecated");
+
+ gtk_spin_button_configure (spin_button, adjustment, climb_rate, digits);
+}
+
+void
+gtk_spin_button_configure (GtkSpinButton *spin_button,
+ GtkAdjustment *adjustment,
+ gfloat climb_rate,
+ guint digits)
+{
+ g_return_if_fail (spin_button != NULL);
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+ g_return_if_fail (digits < 6);
+
+ if (adjustment)
+ gtk_spin_button_set_adjustment (spin_button, adjustment);
+ else
+ adjustment = spin_button->adjustment;
+
+ spin_button->digits = digits;
+ spin_button->climb_rate = climb_rate;
+ gtk_adjustment_value_changed (adjustment);
+}
+
+GtkWidget *
+gtk_spin_button_new (GtkAdjustment *adjustment,
+ gfloat climb_rate,
+ guint digits)
+{
+ GtkSpinButton *spin;
+
+ if (adjustment)
+ g_return_val_if_fail (GTK_IS_ADJUSTMENT (adjustment), NULL);
+ g_return_val_if_fail (digits < 6, NULL);
+
+ spin = gtk_type_new (GTK_TYPE_SPIN_BUTTON);
+
+ gtk_spin_button_configure (spin, adjustment, climb_rate, digits);
+
+ return GTK_WIDGET (spin);
}
void
{
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);
}
}
}
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 < 128);
+ g_return_if_fail (digits < 6);
if (spin_button->digits != digits)
{
spin_button->digits = digits;
- if (GTK_WIDGET_VISIBLE (spin_button) && GTK_WIDGET_MAPPED (spin_button))
- gtk_signal_emit_by_name (GTK_OBJECT (spin_button->adjustment),
- "value_changed");
+ gtk_spin_button_value_changed (spin_button->adjustment, spin_button);
}
}
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
{
- spin_button->adjustment->value = value;
- if (GTK_WIDGET_VISIBLE (spin_button) && GTK_WIDGET_MAPPED (spin_button))
- gtk_signal_emit_by_name (GTK_OBJECT (spin_button->adjustment),
- "value_changed");
+ char buf[MAX_TEXT_LENGTH];
+
+ sprintf (buf, "%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);
}
}
spin_button->update_policy = policy;
}
+
+void
+gtk_spin_button_set_numeric (GtkSpinButton *spin_button,
+ gboolean numeric)
+{
+ g_return_if_fail (spin_button != NULL);
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ spin_button->numeric = (numeric != 0);
+}
+
+void
+gtk_spin_button_set_wrap (GtkSpinButton *spin_button,
+ gboolean wrap)
+{
+ g_return_if_fail (spin_button != NULL);
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ spin_button->wrap = (wrap != 0);
+}
+
+void
+gtk_spin_button_set_shadow_type (GtkSpinButton *spin_button,
+ GtkShadowType shadow_type)
+{
+ g_return_if_fail (spin_button != NULL);
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ if (shadow_type != spin_button->shadow_type)
+ {
+ spin_button->shadow_type = shadow_type;
+ if (GTK_WIDGET_DRAWABLE (spin_button))
+ gtk_widget_queue_draw (GTK_WIDGET (spin_button));
+ }
+}
+
+void
+gtk_spin_button_set_snap_to_ticks (GtkSpinButton *spin_button,
+ gboolean snap_to_ticks)
+{
+ guint new_val;
+
+ g_return_if_fail (spin_button != NULL);
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin_button));
+
+ new_val = (snap_to_ticks != 0);
+
+ if (new_val != spin_button->snap_to_ticks)
+ {
+ spin_button->snap_to_ticks = new_val;
+ if (new_val)
+ {
+ gchar *error = NULL;
+ gfloat val;
+
+ val = strtod (gtk_entry_get_text (GTK_ENTRY (spin_button)), &error);
+ gtk_spin_button_snap (spin_button, val);
+ }
+ }
+}
+
+void
+gtk_spin_button_spin (GtkSpinButton *spin_button,
+ GtkSpinType direction,
+ gfloat increment)
+{
+ GtkAdjustment *adj;
+ gfloat diff;
+
+ g_return_if_fail (spin_button != NULL);
+ 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;
+ }
+}
projects / ~andy / gtk / blobdiff