*/
/*
- * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * Modified by the GTK+ Team and others 1997-2004. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
+#include <config.h>
#include <stdio.h>
+#include <math.h>
+#include <gdk/gdkkeysyms.h>
#include "gtkintl.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtkrange.h"
-#include "gtksignal.h"
-#include "gtkintl.h"
+#include "gtkscrollbar.h"
+#include "gtkprivate.h"
+#include "gtkalias.h"
-#define SCROLL_INITIAL_DELAY 250 /* must hold button this long before ... */
-#define SCROLL_LATER_DELAY 100 /* ... it starts repeating at this rate */
-#define UPDATE_DELAY 300 /* Delay for queued update */
+#define SCROLL_DELAY_FACTOR 5 /* Scroll repeat multiplier */
+#define UPDATE_DELAY 300 /* Delay for queued update */
enum {
PROP_0,
PROP_UPDATE_POLICY,
PROP_ADJUSTMENT,
- PROP_INVERTED
+ PROP_INVERTED,
+ PROP_LOWER_STEPPER_SENSITIVITY,
+ PROP_UPPER_STEPPER_SENSITIVITY,
+ PROP_SHOW_FILL_LEVEL,
+ PROP_RESTRICT_TO_FILL_LEVEL,
+ PROP_FILL_LEVEL
};
enum {
VALUE_CHANGED,
+ ADJUST_BOUNDS,
MOVE_SLIDER,
+ CHANGE_VALUE,
LAST_SIGNAL
};
MOUSE_WIDGET /* inside widget but not in any of the above GUI elements */
} MouseLocation;
+#define GTK_RANGE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_RANGE, GtkRangeLayout))
+
struct _GtkRangeLayout
{
/* These are in widget->window coordinates */
/* last mouse coords we got, or -1 if mouse is outside the range */
gint mouse_x;
gint mouse_y;
+
/* "grabbed" mouse location, OUTSIDE for no grab */
MouseLocation grab_location;
- gint grab_button; /* 0 if none */
+ guint grab_button : 8; /* 0 if none */
+
+ /* Stepper sensitivity */
+ guint lower_sensitive : 1;
+ guint upper_sensitive : 1;
+
+ /* Fill level */
+ guint show_fill_level : 1;
+ guint restrict_to_fill_level : 1;
+
+ GtkSensitivityType lower_sensitivity;
+ GtkSensitivityType upper_sensitivity;
+
+ gdouble fill_level;
};
-static void gtk_range_class_init (GtkRangeClass *klass);
-static void gtk_range_init (GtkRange *range);
static void gtk_range_set_property (GObject *object,
guint prop_id,
const GValue *value,
GValue *value,
GParamSpec *pspec);
static void gtk_range_destroy (GtkObject *object);
-static void gtk_range_finalize (GObject *object);
static void gtk_range_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_range_size_allocate (GtkWidget *widget,
GdkEventCrossing *event);
static gint gtk_range_leave_notify (GtkWidget *widget,
GdkEventCrossing *event);
+static gboolean gtk_range_grab_broken (GtkWidget *widget,
+ GdkEventGrabBroken *event);
+static void gtk_range_grab_notify (GtkWidget *widget,
+ gboolean was_grabbed);
+static void gtk_range_state_changed (GtkWidget *widget,
+ GtkStateType previous_state);
static gint gtk_range_scroll_event (GtkWidget *widget,
GdkEventScroll *event);
static void gtk_range_style_set (GtkWidget *widget,
static void update_slider_position (GtkRange *range,
gint mouse_x,
gint mouse_y);
-
+static void stop_scrolling (GtkRange *range);
/* Range methods */
static void gtk_range_get_props (GtkRange *range,
gint *slider_width,
gint *stepper_size,
+ gint *focus_width,
gint *trough_border,
- gint *stepper_spacing);
+ gint *stepper_spacing,
+ gboolean *trough_under_steppers,
+ gint *arrow_displacement_x,
+ gint *arrow_displacement_y);
static void gtk_range_calc_request (GtkRange *range,
gint slider_width,
gint stepper_size,
+ gint focus_width,
gint trough_border,
gint stepper_spacing,
GdkRectangle *range_rect,
GtkBorder *border,
gint *n_steppers_p,
+ gboolean *has_steppers_ab,
+ gboolean *has_steppers_cd,
gint *slider_length_p);
static void gtk_range_adjustment_value_changed (GtkAdjustment *adjustment,
gpointer data);
static void gtk_range_remove_update_timer (GtkRange *range);
static GdkRectangle* get_area (GtkRange *range,
MouseLocation location);
-static void gtk_range_internal_set_value (GtkRange *range,
+static gboolean gtk_range_real_change_value (GtkRange *range,
+ GtkScrollType scroll,
gdouble value);
static void gtk_range_update_value (GtkRange *range);
+static gboolean gtk_range_key_press (GtkWidget *range,
+ GdkEventKey *event);
-static GtkWidgetClass *parent_class = NULL;
static guint signals[LAST_SIGNAL];
-
-GtkType
-gtk_range_get_type (void)
-{
- static GtkType range_type = 0;
-
- if (!range_type)
- {
- static const GtkTypeInfo range_info =
- {
- "GtkRange",
- sizeof (GtkRange),
- sizeof (GtkRangeClass),
- (GtkClassInitFunc) gtk_range_class_init,
- (GtkObjectInitFunc) gtk_range_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- range_type = gtk_type_unique (GTK_TYPE_WIDGET, &range_info);
- }
-
- return range_type;
-}
+G_DEFINE_ABSTRACT_TYPE (GtkRange, gtk_range, GTK_TYPE_WIDGET)
static void
gtk_range_class_init (GtkRangeClass *class)
object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
- parent_class = g_type_class_peek_parent (class);
-
gobject_class->set_property = gtk_range_set_property;
gobject_class->get_property = gtk_range_get_property;
- gobject_class->finalize = gtk_range_finalize;
object_class->destroy = gtk_range_destroy;
widget_class->size_request = gtk_range_size_request;
widget_class->scroll_event = gtk_range_scroll_event;
widget_class->enter_notify_event = gtk_range_enter_notify;
widget_class->leave_notify_event = gtk_range_leave_notify;
+ widget_class->grab_broken_event = gtk_range_grab_broken;
+ widget_class->grab_notify = gtk_range_grab_notify;
+ widget_class->state_changed = gtk_range_state_changed;
widget_class->style_set = gtk_range_style_set;
+ widget_class->key_press_event = gtk_range_key_press;
class->move_slider = gtk_range_move_slider;
+ class->change_value = gtk_range_real_change_value;
class->slider_detail = "slider";
class->stepper_detail = "stepper";
signals[VALUE_CHANGED] =
- g_signal_new ("value_changed",
- G_TYPE_FROM_CLASS (object_class),
+ g_signal_new (I_("value_changed"),
+ G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkRangeClass, value_changed),
NULL, NULL,
_gtk_marshal_NONE__NONE,
G_TYPE_NONE, 0);
+ signals[ADJUST_BOUNDS] =
+ g_signal_new (I_("adjust_bounds"),
+ G_TYPE_FROM_CLASS (gobject_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkRangeClass, adjust_bounds),
+ NULL, NULL,
+ _gtk_marshal_VOID__DOUBLE,
+ G_TYPE_NONE, 1,
+ G_TYPE_DOUBLE);
+
signals[MOVE_SLIDER] =
- g_signal_new ("move_slider",
- G_TYPE_FROM_CLASS (object_class),
+ g_signal_new (I_("move_slider"),
+ G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkRangeClass, move_slider),
NULL, NULL,
_gtk_marshal_VOID__ENUM,
G_TYPE_NONE, 1,
GTK_TYPE_SCROLL_TYPE);
-
+
+ /**
+ * GtkRange::change-value:
+ * @range: the range that received the signal.
+ * @scroll: the type of scroll action that was performed.
+ * @value: the new value resulting from the scroll action.
+ * @returns: %TRUE to prevent other handlers from being invoked for the
+ * signal. %FALSE to propagate the signal further.
+ *
+ * The ::change-value signal is emitted when a scroll action is
+ * performed on a range. It allows an application to determine the
+ * type of scroll event that occurred and the resultant new value.
+ * The application can handle the event itself and return %TRUE to
+ * prevent further processing. Or, by returning %FALSE, it can pass
+ * the event to other handlers until the default GTK+ handler is
+ * reached.
+ *
+ * The value parameter is unrounded. An application that overrides
+ * the ::change-value signal is responsible for clamping the value to
+ * the desired number of decimal digits; the default GTK+ handler
+ * clamps the value based on @range->round_digits.
+ *
+ * It is not possible to use delayed update policies in an overridden
+ * ::change-value handler.
+ *
+ * Since: 2.6
+ */
+ signals[CHANGE_VALUE] =
+ g_signal_new (I_("change_value"),
+ G_TYPE_FROM_CLASS (gobject_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkRangeClass, change_value),
+ _gtk_boolean_handled_accumulator, NULL,
+ _gtk_marshal_BOOLEAN__ENUM_DOUBLE,
+ G_TYPE_BOOLEAN, 2,
+ GTK_TYPE_SCROLL_TYPE,
+ G_TYPE_DOUBLE);
g_object_class_install_property (gobject_class,
PROP_UPDATE_POLICY,
- g_param_spec_enum ("update_policy",
- _("Update policy"),
- _("How the range should be updated on the screen"),
+ g_param_spec_enum ("update-policy",
+ P_("Update policy"),
+ P_("How the range should be updated on the screen"),
GTK_TYPE_UPDATE_TYPE,
GTK_UPDATE_CONTINUOUS,
- G_PARAM_READWRITE));
+ GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_ADJUSTMENT,
g_param_spec_object ("adjustment",
- _("Adjustment"),
- _("The GtkAdjustment that contains the current value of this range object"),
+ P_("Adjustment"),
+ P_("The GtkAdjustment that contains the current value of this range object"),
GTK_TYPE_ADJUSTMENT,
- G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
g_object_class_install_property (gobject_class,
PROP_INVERTED,
g_param_spec_boolean ("inverted",
- _("Inverted"),
- _("Invert direction slider moves to increase range value"),
+ P_("Inverted"),
+ P_("Invert direction slider moves to increase range value"),
FALSE,
- G_PARAM_READWRITE));
-
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_LOWER_STEPPER_SENSITIVITY,
+ g_param_spec_enum ("lower-stepper-sensitivity",
+ P_("Lower stepper sensitivity"),
+ P_("The sensitivity policy for the stepper that points to the adjustment's lower side"),
+ GTK_TYPE_SENSITIVITY_TYPE,
+ GTK_SENSITIVITY_AUTO,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_UPPER_STEPPER_SENSITIVITY,
+ g_param_spec_enum ("upper-stepper-sensitivity",
+ P_("Upper stepper sensitivity"),
+ P_("The sensitivity policy for the stepper that points to the adjustment's upper side"),
+ GTK_TYPE_SENSITIVITY_TYPE,
+ GTK_SENSITIVITY_AUTO,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkRange:show-fill-level:
+ *
+ * The show-fill-level property controls wether fill level indicator
+ * graphics are displayed on the trough. See
+ * gtk_range_set_show_fill_level().
+ *
+ * Since: 2.12
+ **/
+ g_object_class_install_property (gobject_class,
+ PROP_SHOW_FILL_LEVEL,
+ g_param_spec_boolean ("show-fill-level",
+ P_("Show Fill Level"),
+ P_("Whether to display a fill level indicator graphics on trough."),
+ FALSE,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkRange:restrict-to-fill-level:
+ *
+ * The restrict-to-fill-level proeprty controls whether slider
+ * movement is restricted to an upper boundary set by the
+ * fill-level. See gtk_range_set_restrict_to_fill_level().
+ *
+ * Since: 2.12
+ **/
+ g_object_class_install_property (gobject_class,
+ PROP_RESTRICT_TO_FILL_LEVEL,
+ g_param_spec_boolean ("restrict-to-fill-level",
+ P_("Restrict to Fill Level"),
+ P_("Whether to restrict the upper boundary to the fill level."),
+ TRUE,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkRange:fill-level:
+ *
+ * The fill level (e.g. prebuffering of a network stream).
+ * See gtk_range_set_fill_level().
+ *
+ * Since: 2.12
+ **/
+ g_object_class_install_property (gobject_class,
+ PROP_FILL_LEVEL,
+ g_param_spec_double ("fill-level",
+ P_("Fill Level"),
+ P_("The fill level."),
+ -G_MAXDOUBLE,
+ G_MAXDOUBLE,
+ G_MAXDOUBLE,
+ GTK_PARAM_READWRITE));
+
gtk_widget_class_install_style_property (widget_class,
- g_param_spec_int ("slider_width",
- _("Slider Width"),
- _("Width of scrollbar or scale thumb"),
+ g_param_spec_int ("slider-width",
+ P_("Slider Width"),
+ P_("Width of scrollbar or scale thumb"),
0,
G_MAXINT,
14,
- G_PARAM_READABLE));
+ GTK_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
- g_param_spec_int ("trough_border",
- _("Trough Border"),
- _("Spacing between thumb/steppers and outer trough bevel"),
+ g_param_spec_int ("trough-border",
+ P_("Trough Border"),
+ P_("Spacing between thumb/steppers and outer trough bevel"),
0,
G_MAXINT,
1,
- G_PARAM_READABLE));
+ GTK_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
- g_param_spec_int ("stepper_size",
- _("Stepper Size"),
- _("Length of step buttons at ends"),
+ g_param_spec_int ("stepper-size",
+ P_("Stepper Size"),
+ P_("Length of step buttons at ends"),
0,
G_MAXINT,
14,
- G_PARAM_READABLE));
+ GTK_PARAM_READABLE));
+ /**
+ * GtkRange:stepper-spacing:
+ *
+ * The spacing between the stepper buttons and thumb. Note that
+ * setting this value to anything > 0 will automatically set the
+ * trough-under-steppers style property to TRUE as well. Also,
+ * stepper-spacing won't have any effect if there are no steppers.
+ */
gtk_widget_class_install_style_property (widget_class,
- g_param_spec_int ("stepper_spacing",
- _("Stepper Spacing"),
- _("Spacing between step buttons and thumb"),
+ g_param_spec_int ("stepper-spacing",
+ P_("Stepper Spacing"),
+ P_("Spacing between step buttons and thumb"),
0,
G_MAXINT,
0,
- G_PARAM_READABLE));
+ GTK_PARAM_READABLE));
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("arrow-displacement-x",
+ P_("Arrow X Displacement"),
+ P_("How far in the x direction to move the arrow when the button is depressed"),
+ G_MININT,
+ G_MAXINT,
+ 0,
+ GTK_PARAM_READABLE));
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("arrow-displacement-y",
+ P_("Arrow Y Displacement"),
+ P_("How far in the y direction to move the arrow when the button is depressed"),
+ G_MININT,
+ G_MAXINT,
+ 0,
+ GTK_PARAM_READABLE));
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_boolean ("activate-slider",
+ P_("Draw slider ACTIVE during drag"),
+ P_("With this option set to TRUE, sliders will be drawn ACTIVE and with shadow IN while they are dragged"),
+ FALSE,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkRange:trough-side-details:
+ *
+ * Since: 2.10
+ */
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_boolean ("trough-side-details",
+ P_("Trough Side Details"),
+ P_("When TRUE, the parts of the trough on the two sides of the slider are drawn with different details"),
+ FALSE,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkRange:trough-under-steppers:
+ *
+ * Whether to draw the trough across the full length of the range or
+ * to exclude the steppers and their spacing. Note that setting the
+ * stepper-spacing style property to any value > 0 will
+ * automatically enable trough-under-steppers too.
+ *
+ * Since: 2.10
+ */
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_boolean ("trough-under-steppers",
+ P_("Trough Under Steppers"),
+ P_("Whether to draw trought for full length of range or exclude the steppers and spacing"),
+ TRUE,
+ GTK_PARAM_READABLE));
+
+ g_type_class_add_private (class, sizeof (GtkRangeLayout));
}
static void
case PROP_INVERTED:
gtk_range_set_inverted (range, g_value_get_boolean (value));
break;
+ case PROP_LOWER_STEPPER_SENSITIVITY:
+ gtk_range_set_lower_stepper_sensitivity (range, g_value_get_enum (value));
+ break;
+ case PROP_UPPER_STEPPER_SENSITIVITY:
+ gtk_range_set_upper_stepper_sensitivity (range, g_value_get_enum (value));
+ break;
+ case PROP_SHOW_FILL_LEVEL:
+ gtk_range_set_show_fill_level (range, g_value_get_boolean (value));
+ break;
+ case PROP_RESTRICT_TO_FILL_LEVEL:
+ gtk_range_set_restrict_to_fill_level (range, g_value_get_boolean (value));
+ break;
+ case PROP_FILL_LEVEL:
+ gtk_range_set_fill_level (range, g_value_get_double (value));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
g_value_set_enum (value, range->update_policy);
break;
case PROP_ADJUSTMENT:
- g_value_set_object (value, G_OBJECT (range->adjustment));
+ g_value_set_object (value, range->adjustment);
break;
case PROP_INVERTED:
g_value_set_boolean (value, range->inverted);
break;
+ case PROP_LOWER_STEPPER_SENSITIVITY:
+ g_value_set_enum (value, gtk_range_get_lower_stepper_sensitivity (range));
+ break;
+ case PROP_UPPER_STEPPER_SENSITIVITY:
+ g_value_set_enum (value, gtk_range_get_upper_stepper_sensitivity (range));
+ break;
+ case PROP_SHOW_FILL_LEVEL:
+ g_value_set_boolean (value, gtk_range_get_show_fill_level (range));
+ break;
+ case PROP_RESTRICT_TO_FILL_LEVEL:
+ g_value_set_boolean (value, gtk_range_get_restrict_to_fill_level (range));
+ break;
+ case PROP_FILL_LEVEL:
+ g_value_set_double (value, gtk_range_get_fill_level (range));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
range->has_stepper_d = FALSE;
range->need_recalc = TRUE;
range->round_digits = -1;
- range->layout = g_new0 (GtkRangeLayout, 1);
+ range->layout = GTK_RANGE_GET_PRIVATE (range);
+ range->layout->mouse_location = MOUSE_OUTSIDE;
+ range->layout->mouse_x = -1;
+ range->layout->mouse_y = -1;
range->layout->grab_location = MOUSE_OUTSIDE;
range->layout->grab_button = 0;
+ range->layout->lower_sensitivity = GTK_SENSITIVITY_AUTO;
+ range->layout->upper_sensitivity = GTK_SENSITIVITY_AUTO;
+ range->layout->lower_sensitive = TRUE;
+ range->layout->upper_sensitive = TRUE;
+ range->layout->show_fill_level = FALSE;
+ range->layout->restrict_to_fill_level = TRUE;
+ range->layout->fill_level = G_MAXDOUBLE;
range->timer = NULL;
}
if (range->update_policy != policy)
{
range->update_policy = policy;
- g_object_notify (G_OBJECT (range), "update_policy");
+ g_object_notify (G_OBJECT (range), "update-policy");
}
}
{
if (range->adjustment)
{
- gtk_signal_disconnect_by_func (GTK_OBJECT (range->adjustment),
- G_CALLBACK (gtk_range_adjustment_changed),
- range);
- gtk_signal_disconnect_by_func (GTK_OBJECT (range->adjustment),
- G_CALLBACK (gtk_range_adjustment_value_changed),
- range);
- gtk_object_unref (GTK_OBJECT (range->adjustment));
+ g_signal_handlers_disconnect_by_func (range->adjustment,
+ gtk_range_adjustment_changed,
+ range);
+ g_signal_handlers_disconnect_by_func (range->adjustment,
+ gtk_range_adjustment_value_changed,
+ range);
+ g_object_unref (range->adjustment);
}
range->adjustment = adjustment;
- gtk_object_ref (GTK_OBJECT (adjustment));
- gtk_object_sink (GTK_OBJECT (adjustment));
+ g_object_ref_sink (adjustment);
- gtk_signal_connect (GTK_OBJECT (adjustment), "changed",
- (GtkSignalFunc) gtk_range_adjustment_changed,
- range);
- gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed",
- (GtkSignalFunc) gtk_range_adjustment_value_changed,
- range);
+ g_signal_connect (adjustment, "changed",
+ G_CALLBACK (gtk_range_adjustment_changed),
+ range);
+ g_signal_connect (adjustment, "value_changed",
+ G_CALLBACK (gtk_range_adjustment_value_changed),
+ range);
gtk_range_adjustment_changed (adjustment, range);
g_object_notify (G_OBJECT (range), "adjustment");
return range->inverted;
}
+/**
+ * gtk_range_set_lower_stepper_sensitivity:
+ * @range: a #GtkRange
+ * @sensitivity: the lower stepper's sensitivity policy.
+ *
+ * Sets the sensitivity policy for the stepper that points to the
+ * 'lower' end of the GtkRange's adjustment.
+ *
+ * Since: 2.10
+ **/
+void
+gtk_range_set_lower_stepper_sensitivity (GtkRange *range,
+ GtkSensitivityType sensitivity)
+{
+ g_return_if_fail (GTK_IS_RANGE (range));
+
+ if (range->layout->lower_sensitivity != sensitivity)
+ {
+ range->layout->lower_sensitivity = sensitivity;
+
+ range->need_recalc = TRUE;
+ gtk_range_calc_layout (range, range->adjustment->value);
+ gtk_widget_queue_draw (GTK_WIDGET (range));
+
+ g_object_notify (G_OBJECT (range), "lower-stepper-sensitivity");
+ }
+}
+
+/**
+ * gtk_range_get_lower_stepper_sensitivity:
+ * @range: a #GtkRange
+ *
+ * Gets the sensitivity policy for the stepper that points to the
+ * 'lower' end of the GtkRange's adjustment.
+ *
+ * Return value: The lower stepper's sensitivity policy.
+ *
+ * Since: 2.10
+ **/
+GtkSensitivityType
+gtk_range_get_lower_stepper_sensitivity (GtkRange *range)
+{
+ g_return_val_if_fail (GTK_IS_RANGE (range), GTK_SENSITIVITY_AUTO);
+
+ return range->layout->lower_sensitivity;
+}
+
+/**
+ * gtk_range_set_upper_stepper_sensitivity:
+ * @range: a #GtkRange
+ * @sensitivity: the upper stepper's sensitivity policy.
+ *
+ * Sets the sensitivity policy for the stepper that points to the
+ * 'upper' end of the GtkRange's adjustment.
+ *
+ * Since: 2.10
+ **/
+void
+gtk_range_set_upper_stepper_sensitivity (GtkRange *range,
+ GtkSensitivityType sensitivity)
+{
+ g_return_if_fail (GTK_IS_RANGE (range));
+
+ if (range->layout->upper_sensitivity != sensitivity)
+ {
+ range->layout->upper_sensitivity = sensitivity;
+
+ range->need_recalc = TRUE;
+ gtk_range_calc_layout (range, range->adjustment->value);
+ gtk_widget_queue_draw (GTK_WIDGET (range));
+
+ g_object_notify (G_OBJECT (range), "upper-stepper-sensitivity");
+ }
+}
+
+/**
+ * gtk_range_get_upper_stepper_sensitivity:
+ * @range: a #GtkRange
+ *
+ * Gets the sensitivity policy for the stepper that points to the
+ * 'upper' end of the GtkRange's adjustment.
+ *
+ * Return value: The upper stepper's sensitivity policy.
+ *
+ * Since: 2.10
+ **/
+GtkSensitivityType
+gtk_range_get_upper_stepper_sensitivity (GtkRange *range)
+{
+ g_return_val_if_fail (GTK_IS_RANGE (range), GTK_SENSITIVITY_AUTO);
+
+ return range->layout->upper_sensitivity;
+}
+
/**
* gtk_range_set_increments:
* @range: a #GtkRange
* @max: maximum range value
*
* Sets the allowable values in the #GtkRange, and clamps the range
- * value to be between min and max.
+ * value to be between @min and @max. (If the range has a non-zero
+ * page size, it is clamped between @min and @max - page-size.)
**/
void
gtk_range_set_range (GtkRange *range,
range->adjustment->lower = min;
range->adjustment->upper = max;
- value = CLAMP (range->adjustment->value,
- range->adjustment->lower,
+ value = range->adjustment->value;
+
+ if (range->layout->restrict_to_fill_level)
+ value = MIN (value, MAX (range->adjustment->lower,
+ range->layout->fill_level));
+
+ value = CLAMP (value, range->adjustment->lower,
(range->adjustment->upper - range->adjustment->page_size));
-
- gtk_adjustment_changed (range->adjustment);
+
+ gtk_adjustment_set_value (range->adjustment, value);
+ gtk_adjustment_changed (range->adjustment);
}
/**
gdouble value)
{
g_return_if_fail (GTK_IS_RANGE (range));
-
+
+ if (range->layout->restrict_to_fill_level)
+ value = MIN (value, MAX (range->adjustment->lower,
+ range->layout->fill_level));
+
value = CLAMP (value, range->adjustment->lower,
(range->adjustment->upper - range->adjustment->page_size));
return range->adjustment->value;
}
+/**
+ * gtk_range_set_show_fill_level:
+ * @range: A #GtkRange
+ * @show_fill_level: Whether a fill level indicator graphics is shown.
+ *
+ * Sets whether a graphical fill level is show on the trough. See
+ * gtk_range_set_fill_level() for a general description of the fill
+ * level concept.
+ *
+ * Since: 2.12
+ **/
+void
+gtk_range_set_show_fill_level (GtkRange *range,
+ gboolean show_fill_level)
+{
+ g_return_if_fail (GTK_IS_RANGE (range));
+
+ show_fill_level = show_fill_level ? TRUE : FALSE;
+
+ if (show_fill_level != range->layout->show_fill_level)
+ {
+ range->layout->show_fill_level = show_fill_level;
+ g_object_notify (G_OBJECT (range), "show-fill-level");
+ gtk_widget_queue_draw (GTK_WIDGET (range));
+ }
+}
+
+/**
+ * gtk_range_get_show_fill_level:
+ * @range: A #GtkRange
+ *
+ * Return value: Whether GtkRange displays a fill level graphics.
+ *
+ * Since: 2.12
+ **/
+gboolean
+gtk_range_get_show_fill_level (GtkRange *range)
+{
+ g_return_val_if_fail (GTK_IS_RANGE (range), FALSE);
+
+ return range->layout->show_fill_level;
+}
+
+/**
+ * gtk_range_set_restrict_to_fill_level:
+ * @range: A #GtkRange
+ * @restrict_to_fill_level: Whether the fill level restricts slider movement.
+ *
+ * Sets whether the slider is restricted to the fill level. See
+ * gtk_range_set_fill_level() for a general description of the fill
+ * level concept.
+ *
+ * Since: 2.12
+ **/
+void
+gtk_range_set_restrict_to_fill_level (GtkRange *range,
+ gboolean restrict_to_fill_level)
+{
+ g_return_if_fail (GTK_IS_RANGE (range));
+
+ restrict_to_fill_level = restrict_to_fill_level ? TRUE : FALSE;
+
+ if (restrict_to_fill_level != range->layout->restrict_to_fill_level)
+ {
+ range->layout->restrict_to_fill_level = restrict_to_fill_level;
+ g_object_notify (G_OBJECT (range), "restrict-to-fill-level");
+
+ gtk_range_set_value (range, gtk_range_get_value (range));
+ }
+}
+
+/**
+ * gtk_range_get_restrict_to_fill_level:
+ * @range: A #GtkRange
+ *
+ * Return value: Whether GtkRange is restricted to the fill level.
+ *
+ * Since: 2.12
+ **/
+gboolean
+gtk_range_get_restrict_to_fill_level (GtkRange *range)
+{
+ g_return_val_if_fail (GTK_IS_RANGE (range), FALSE);
+
+ return range->layout->restrict_to_fill_level;
+}
+
+/**
+ * gtk_range_set_fill_level:
+ * @range: A #GtkRange
+ * @positon: The new position of the fill level indicator
+ *
+ * Set the new position of the fill level indicator.
+ *
+ * The "fill level" is probably best described by its most prominent
+ * use case, which is an indicator for the amount of pre-buffering in
+ * a streaming media player. In that use case, the value of the range
+ * would indicate the current play position, and the fill level would
+ * be the position up to which the file/stream has been downloaded.
+ *
+ * This amount of prebuffering can be displayed on the range's trough
+ * and is themeable separately from the trough. To enable fill level
+ * display, use gtk_range_set_show_fill_level(). The range defaults
+ * to not showing the fill level.
+ *
+ * Additionally, it's possible to restrict the range's slider position
+ * to values which are smaller than the fill level. This is controller
+ * by gtk_range_set_restrict_to_fill_level() and is by default
+ * enabled.
+ *
+ * Since: 2.12
+ **/
+void
+gtk_range_set_fill_level (GtkRange *range,
+ gdouble fill_level)
+{
+ g_return_if_fail (GTK_IS_RANGE (range));
+
+ if (fill_level != range->layout->fill_level)
+ {
+ range->layout->fill_level = fill_level;
+ g_object_notify (G_OBJECT (range), "fill-level");
+
+ if (range->layout->show_fill_level)
+ gtk_widget_queue_draw (GTK_WIDGET (range));
+
+ if (range->layout->restrict_to_fill_level)
+ gtk_range_set_value (range, gtk_range_get_value (range));
+ }
+}
+
+/**
+ * gtk_range_get_fill_level:
+ * @range : A #GtkRange
+ *
+ * Return value: The current position of the fill level indicator.
+ *
+ * Since: 2.12
+ **/
+gdouble
+gtk_range_get_fill_level (GtkRange *range)
+{
+ g_return_val_if_fail (GTK_IS_RANGE (range), 0.0);
+
+ return range->layout->fill_level;
+}
+
static gboolean
should_invert (GtkRange *range)
{
return range->inverted;
}
-static void
-gtk_range_finalize (GObject *object)
-{
- GtkRange *range;
-
- g_return_if_fail (GTK_IS_RANGE (object));
-
- range = GTK_RANGE (object);
-
- g_free (range->layout);
-
- (* G_OBJECT_CLASS (parent_class)->finalize) (object);
-}
-
static void
gtk_range_destroy (GtkObject *object)
{
- GtkRange *range;
-
- g_return_if_fail (GTK_IS_RANGE (object));
-
- range = GTK_RANGE (object);
+ GtkRange *range = GTK_RANGE (object);
gtk_range_remove_step_timer (range);
gtk_range_remove_update_timer (range);
if (range->adjustment)
{
- if (range->adjustment)
- gtk_signal_disconnect_by_data (GTK_OBJECT (range->adjustment),
- (gpointer) range);
- gtk_object_unref (GTK_OBJECT (range->adjustment));
+ g_signal_handlers_disconnect_by_func (range->adjustment,
+ gtk_range_adjustment_changed,
+ range);
+ g_signal_handlers_disconnect_by_func (range->adjustment,
+ gtk_range_adjustment_value_changed,
+ range);
+ g_object_unref (range->adjustment);
range->adjustment = NULL;
}
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+ (* GTK_OBJECT_CLASS (gtk_range_parent_class)->destroy) (object);
}
static void
GtkRequisition *requisition)
{
GtkRange *range;
- gint slider_width, stepper_size, trough_border, stepper_spacing;
+ gint slider_width, stepper_size, focus_width, trough_border, stepper_spacing;
GdkRectangle range_rect;
GtkBorder border;
range = GTK_RANGE (widget);
gtk_range_get_props (range,
- &slider_width, &stepper_size, &trough_border, &stepper_spacing);
+ &slider_width, &stepper_size,
+ &focus_width, &trough_border,
+ &stepper_spacing, NULL,
+ NULL, NULL);
gtk_range_calc_request (range,
- slider_width, stepper_size, trough_border, stepper_spacing,
- &range_rect, &border, NULL, NULL);
+ slider_width, stepper_size,
+ focus_width, trough_border, stepper_spacing,
+ &range_rect, &border, NULL, NULL, NULL, NULL);
requisition->width = range_rect.width + border.left + border.right;
requisition->height = range_rect.height + border.top + border.bottom;
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
widget->window = gtk_widget_get_parent_window (widget);
- gdk_window_ref (widget->window);
+ g_object_ref (widget->window);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x;
attributes.height = widget->allocation.height;
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = gtk_widget_get_events (widget);
- attributes.event_mask |= (GDK_EXPOSURE_MASK |
- GDK_BUTTON_PRESS_MASK |
+ attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
static void
gtk_range_unrealize (GtkWidget *widget)
{
- GtkRange *range;
-
- g_return_if_fail (GTK_IS_RANGE (widget));
-
- range = GTK_RANGE (widget);
+ GtkRange *range = GTK_RANGE (widget);
gtk_range_remove_step_timer (range);
gtk_range_remove_update_timer (range);
gdk_window_destroy (range->event_window);
range->event_window = NULL;
- if (GTK_WIDGET_CLASS (parent_class)->unrealize)
- (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+ if (GTK_WIDGET_CLASS (gtk_range_parent_class)->unrealize)
+ (* GTK_WIDGET_CLASS (gtk_range_parent_class)->unrealize) (widget);
}
static void
{
GtkRange *range = GTK_RANGE (widget);
- g_return_if_fail (GTK_IS_RANGE (widget));
-
gdk_window_show (range->event_window);
- GTK_WIDGET_CLASS (parent_class)->map (widget);
+ GTK_WIDGET_CLASS (gtk_range_parent_class)->map (widget);
}
static void
{
GtkRange *range = GTK_RANGE (widget);
- g_return_if_fail (GTK_IS_RANGE (widget));
+ stop_scrolling (range);
gdk_window_hide (range->event_window);
- GTK_WIDGET_CLASS (parent_class)->unmap (widget);
+ GTK_WIDGET_CLASS (gtk_range_parent_class)->unmap (widget);
}
static void
GdkRectangle intersection;
GtkWidget *widget = GTK_WIDGET (range);
+ gint arrow_x;
+ gint arrow_y;
+ gint arrow_width;
+ gint arrow_height;
+
+ gboolean arrow_sensitive = TRUE;
+
/* More to get the right clip region than for efficiency */
if (!gdk_rectangle_intersect (area, rect, &intersection))
return;
intersection.x += widget->allocation.x;
intersection.y += widget->allocation.y;
-
- if (!GTK_WIDGET_IS_SENSITIVE (range))
+
+ if ((!range->inverted && (arrow_type == GTK_ARROW_DOWN ||
+ arrow_type == GTK_ARROW_RIGHT)) ||
+ (range->inverted && (arrow_type == GTK_ARROW_UP ||
+ arrow_type == GTK_ARROW_LEFT)))
+ {
+ arrow_sensitive = range->layout->upper_sensitive;
+ }
+ else
+ {
+ arrow_sensitive = range->layout->lower_sensitive;
+ }
+
+ if (!GTK_WIDGET_IS_SENSITIVE (range) || !arrow_sensitive)
state_type = GTK_STATE_INSENSITIVE;
else if (clicked)
state_type = GTK_STATE_ACTIVE;
state_type = GTK_STATE_PRELIGHT;
else
state_type = GTK_STATE_NORMAL;
-
- if (clicked)
+
+ if (clicked && arrow_sensitive)
shadow_type = GTK_SHADOW_IN;
else
shadow_type = GTK_SHADOW_OUT;
+
+ gtk_paint_box (widget->style,
+ widget->window,
+ state_type, shadow_type,
+ &intersection, widget,
+ GTK_RANGE_GET_CLASS (range)->stepper_detail,
+ widget->allocation.x + rect->x,
+ widget->allocation.y + rect->y,
+ rect->width,
+ rect->height);
+
+ arrow_width = rect->width / 2;
+ arrow_height = rect->height / 2;
+ arrow_x = widget->allocation.x + rect->x + (rect->width - arrow_width) / 2;
+ arrow_y = widget->allocation.y + rect->y + (rect->height - arrow_height) / 2;
+
+ if (clicked && arrow_sensitive)
+ {
+ gint arrow_displacement_x;
+ gint arrow_displacement_y;
+
+ gtk_range_get_props (GTK_RANGE (widget),
+ NULL, NULL, NULL, NULL, NULL, NULL,
+ &arrow_displacement_x, &arrow_displacement_y);
+
+ arrow_x += arrow_displacement_x;
+ arrow_y += arrow_displacement_y;
+ }
- gtk_paint_arrow (GTK_WIDGET (range)->style,
- GTK_WIDGET (range)->window,
+ gtk_paint_arrow (widget->style,
+ widget->window,
state_type, shadow_type,
- &intersection, GTK_WIDGET (range),
+ &intersection, widget,
GTK_RANGE_GET_CLASS (range)->stepper_detail,
arrow_type,
TRUE,
- widget->allocation.x + rect->x,
- widget->allocation.y + rect->y,
- rect->width, rect->height);
+ arrow_x, arrow_y, arrow_width, arrow_height);
}
static gint
GtkRange *range;
gboolean sensitive;
GtkStateType state;
+ GtkShadowType shadow_type;
GdkRectangle expose_area; /* Relative to widget->allocation */
GdkRectangle area;
-
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ gint focus_line_width = 0;
+ gint focus_padding = 0;
+ gboolean touchscreen;
+
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-touchscreen-mode", &touchscreen,
+ NULL);
range = GTK_RANGE (widget);
+ if (GTK_WIDGET_CAN_FOCUS (range))
+ {
+ gtk_widget_style_get (GTK_WIDGET (range),
+ "focus-line-width", &focus_line_width,
+ "focus-padding", &focus_padding,
+ NULL);
+ }
+
expose_area = event->area;
expose_area.x -= widget->allocation.x;
expose_area.y -= widget->allocation.y;
if (gdk_rectangle_intersect (&expose_area, &range->range_rect,
&area))
{
+ gint x = (widget->allocation.x + range->range_rect.x +
+ focus_line_width + focus_padding);
+ gint y = (widget->allocation.y + range->range_rect.y +
+ focus_line_width + focus_padding);
+ gint width = (range->range_rect.width -
+ 2 * (focus_line_width + focus_padding));
+ gint height = (range->range_rect.height -
+ 2 * (focus_line_width + focus_padding));
+ gboolean trough_side_details;
+ gboolean trough_under_steppers;
+ gint stepper_size;
+ gint stepper_spacing;
+
area.x += widget->allocation.x;
area.y += widget->allocation.y;
-
- gtk_paint_box (widget->style,
- widget->window,
- sensitive ? GTK_STATE_ACTIVE : GTK_STATE_INSENSITIVE,
- GTK_SHADOW_IN,
- &area, GTK_WIDGET(range), "trough",
- widget->allocation.x + range->range_rect.x,
- widget->allocation.y + range->range_rect.y,
- range->range_rect.width,
- range->range_rect.height);
-
-
+
+ gtk_widget_style_get (GTK_WIDGET (range),
+ "trough-side-details", &trough_side_details,
+ "trough-under-steppers", &trough_under_steppers,
+ "stepper-size", &stepper_size,
+ "stepper-spacing", &stepper_spacing,
+ NULL);
+
+ if (stepper_spacing > 0)
+ trough_under_steppers = FALSE;
+
+ if (! trough_under_steppers)
+ {
+ gint offset = 0;
+ gint shorter = 0;
+
+ if (range->has_stepper_a)
+ offset += stepper_size;
+
+ if (range->has_stepper_b)
+ offset += stepper_size;
+
+ shorter += offset;
+
+ if (range->has_stepper_c)
+ shorter += stepper_size;
+
+ if (range->has_stepper_d)
+ shorter += stepper_size;
+
+ if (range->has_stepper_a || range->has_stepper_b)
+ {
+ offset += stepper_spacing;
+ shorter += stepper_spacing;
+ }
+
+ if (range->has_stepper_c || range->has_stepper_d)
+ {
+ shorter += stepper_spacing;
+ }
+
+ if (range->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ x += offset;
+ width -= shorter;
+ }
+ else
+ {
+ y += offset;
+ height -= shorter;
+ }
+ }
+
+ if (! trough_side_details)
+ {
+ gtk_paint_box (widget->style,
+ widget->window,
+ sensitive ? GTK_STATE_ACTIVE : GTK_STATE_INSENSITIVE,
+ GTK_SHADOW_IN,
+ &area, GTK_WIDGET(range), "trough",
+ x, y,
+ width, height);
+ }
+ else
+ {
+ gint trough_change_pos_x = width;
+ gint trough_change_pos_y = height;
+
+ if (range->orientation == GTK_ORIENTATION_HORIZONTAL)
+ trough_change_pos_x = (range->layout->slider.x +
+ range->layout->slider.width / 2 -
+ (x - widget->allocation.x));
+ else
+ trough_change_pos_y = (range->layout->slider.y +
+ range->layout->slider.height / 2 -
+ (y - widget->allocation.y));
+
+ gtk_paint_box (widget->style,
+ widget->window,
+ sensitive ? GTK_STATE_ACTIVE : GTK_STATE_INSENSITIVE,
+ GTK_SHADOW_IN,
+ &area, GTK_WIDGET (range),
+ should_invert (range) ? "trough-upper" : "trough-lower",
+ x, y,
+ trough_change_pos_x, trough_change_pos_y);
+
+ if (range->orientation == GTK_ORIENTATION_HORIZONTAL)
+ trough_change_pos_y = 0;
+ else
+ trough_change_pos_x = 0;
+
+ gtk_paint_box (widget->style,
+ widget->window,
+ sensitive ? GTK_STATE_ACTIVE : GTK_STATE_INSENSITIVE,
+ GTK_SHADOW_IN,
+ &area, GTK_WIDGET (range),
+ should_invert (range) ? "trough-lower" : "trough-upper",
+ x + trough_change_pos_x, y + trough_change_pos_y,
+ width - trough_change_pos_x,
+ height - trough_change_pos_y);
+ }
+
+ if (range->layout->show_fill_level &&
+ range->adjustment->upper - range->adjustment->page_size -
+ range->adjustment->lower != 0)
+ {
+ gdouble fill_level = range->layout->fill_level;
+ gint fill_x = x;
+ gint fill_y = y;
+ gint fill_width = width;
+ gint fill_height = height;
+ gchar *fill_detail;
+
+ fill_level = CLAMP (fill_level, range->adjustment->lower,
+ range->adjustment->upper -
+ range->adjustment->page_size);
+
+ if (range->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ fill_x = widget->allocation.x + range->layout->trough.x;
+ fill_width = (range->layout->slider.width +
+ (fill_level - range->adjustment->lower) /
+ (range->adjustment->upper -
+ range->adjustment->lower -
+ range->adjustment->page_size) *
+ (range->layout->trough.width -
+ range->layout->slider.width));
+
+ if (should_invert (range))
+ fill_x += range->layout->trough.width - fill_width;
+ }
+ else
+ {
+ fill_y = widget->allocation.y + range->layout->trough.y;
+ fill_height = (range->layout->slider.height +
+ (fill_level - range->adjustment->lower) /
+ (range->adjustment->upper -
+ range->adjustment->lower -
+ range->adjustment->page_size) *
+ (range->layout->trough.height -
+ range->layout->slider.height));
+
+ if (should_invert (range))
+ fill_y += range->layout->trough.height - fill_height;
+ }
+
+ if (fill_level < range->adjustment->upper - range->adjustment->page_size)
+ fill_detail = "trough-fill-level-full";
+ else
+ fill_detail = "trough-fill-level";
+
+ gtk_paint_box (widget->style,
+ widget->window,
+ sensitive ? GTK_STATE_ACTIVE : GTK_STATE_INSENSITIVE,
+ GTK_SHADOW_OUT,
+ &area, GTK_WIDGET (range), fill_detail,
+ fill_x, fill_y,
+ fill_width, fill_height);
+ }
+
if (sensitive &&
GTK_WIDGET_HAS_FOCUS (range))
gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
range->range_rect.height);
}
+ shadow_type = GTK_SHADOW_OUT;
+
if (!sensitive)
state = GTK_STATE_INSENSITIVE;
- else if (range->layout->mouse_location == MOUSE_SLIDER)
+ else if (!touchscreen && range->layout->mouse_location == MOUSE_SLIDER)
state = GTK_STATE_PRELIGHT;
else
state = GTK_STATE_NORMAL;
+ if (range->layout->grab_location == MOUSE_SLIDER)
+ {
+ gboolean activate_slider;
+
+ gtk_widget_style_get (widget, "activate-slider", &activate_slider, NULL);
+
+ if (activate_slider)
+ {
+ state = GTK_STATE_ACTIVE;
+ shadow_type = GTK_SHADOW_IN;
+ }
+ }
+
if (gdk_rectangle_intersect (&expose_area,
&range->layout->slider,
&area))
gtk_paint_slider (widget->style,
widget->window,
state,
- GTK_SHADOW_OUT,
+ shadow_type,
&area,
widget,
GTK_RANGE_GET_CLASS (range)->slider_detail,
draw_stepper (range, &range->layout->stepper_a,
range->orientation == GTK_ORIENTATION_VERTICAL ? GTK_ARROW_UP : GTK_ARROW_LEFT,
range->layout->grab_location == MOUSE_STEPPER_A,
- range->layout->mouse_location == MOUSE_STEPPER_A,
+ !touchscreen && range->layout->mouse_location == MOUSE_STEPPER_A,
&expose_area);
if (range->has_stepper_b)
draw_stepper (range, &range->layout->stepper_b,
range->orientation == GTK_ORIENTATION_VERTICAL ? GTK_ARROW_DOWN : GTK_ARROW_RIGHT,
range->layout->grab_location == MOUSE_STEPPER_B,
- range->layout->mouse_location == MOUSE_STEPPER_B,
+ !touchscreen && range->layout->mouse_location == MOUSE_STEPPER_B,
&expose_area);
if (range->has_stepper_c)
draw_stepper (range, &range->layout->stepper_c,
range->orientation == GTK_ORIENTATION_VERTICAL ? GTK_ARROW_UP : GTK_ARROW_LEFT,
range->layout->grab_location == MOUSE_STEPPER_C,
- range->layout->mouse_location == MOUSE_STEPPER_C,
+ !touchscreen && range->layout->mouse_location == MOUSE_STEPPER_C,
&expose_area);
if (range->has_stepper_d)
draw_stepper (range, &range->layout->stepper_d,
range->orientation == GTK_ORIENTATION_VERTICAL ? GTK_ARROW_DOWN : GTK_ARROW_RIGHT,
range->layout->grab_location == MOUSE_STEPPER_D,
- range->layout->mouse_location == MOUSE_STEPPER_D,
+ !touchscreen && range->layout->mouse_location == MOUSE_STEPPER_D,
&expose_area);
return FALSE;
{
/* we don't actually gtk_grab, since a button is down */
+ gtk_grab_add (GTK_WIDGET (range));
+
range->layout->grab_location = location;
range->layout->grab_button = button;
static void
range_grab_remove (GtkRange *range)
{
+ gtk_grab_remove (GTK_WIDGET (range));
+
range->layout->grab_location = MOUSE_OUTSIDE;
range->layout->grab_button = 0;
static GtkScrollType
range_get_scroll_for_grab (GtkRange *range)
-{
+{
+ gboolean invert;
+
+ invert = should_invert (range);
switch (range->layout->grab_location)
{
/* Backward stepper */
switch (range->layout->grab_button)
{
case 1:
- return GTK_SCROLL_STEP_BACKWARD;
+ return invert ? GTK_SCROLL_STEP_FORWARD : GTK_SCROLL_STEP_BACKWARD;
break;
case 2:
- return GTK_SCROLL_PAGE_BACKWARD;
+ return invert ? GTK_SCROLL_PAGE_FORWARD : GTK_SCROLL_PAGE_BACKWARD;
break;
case 3:
- return GTK_SCROLL_START;
+ return invert ? GTK_SCROLL_END : GTK_SCROLL_START;
break;
}
break;
switch (range->layout->grab_button)
{
case 1:
- return GTK_SCROLL_STEP_FORWARD;
+ return invert ? GTK_SCROLL_STEP_BACKWARD : GTK_SCROLL_STEP_FORWARD;
break;
case 2:
- return GTK_SCROLL_PAGE_FORWARD;
+ return invert ? GTK_SCROLL_PAGE_BACKWARD : GTK_SCROLL_PAGE_FORWARD;
break;
case 3:
- return GTK_SCROLL_END;
+ return invert ? GTK_SCROLL_START : GTK_SCROLL_END;
break;
- }
+ }
break;
/* In the trough */
case MOUSE_TROUGH:
{
if (range->trough_click_forward)
- {
- return range->layout->grab_button == 3
- ? GTK_SCROLL_STEP_FORWARD : GTK_SCROLL_PAGE_FORWARD;
- }
+ return GTK_SCROLL_PAGE_FORWARD;
else
- {
- return range->layout->grab_button == 3
- ? GTK_SCROLL_STEP_BACKWARD : GTK_SCROLL_PAGE_BACKWARD;
- }
+ return GTK_SCROLL_PAGE_BACKWARD;
}
break;
{
gdouble frac;
gdouble value;
-
+ gint trough_length;
+ gint trough_start;
+ gint slider_length;
+ gint trough_border;
+ gint trough_under_steppers;
+
if (range->orientation == GTK_ORIENTATION_VERTICAL)
- if (range->layout->trough.height == range->layout->slider.height)
- frac = 1.0;
- else
- frac = ((coord - range->layout->trough.y) /
- (gdouble) (range->layout->trough.height - range->layout->slider.height));
+ {
+ trough_length = range->layout->trough.height;
+ trough_start = range->layout->trough.y;
+ slider_length = range->layout->slider.height;
+ }
+ else
+ {
+ trough_length = range->layout->trough.width;
+ trough_start = range->layout->trough.x;
+ slider_length = range->layout->slider.width;
+ }
+
+ gtk_range_get_props (range, NULL, NULL, NULL, &trough_border, NULL,
+ &trough_under_steppers, NULL, NULL);
+
+ if (! trough_under_steppers)
+ {
+ trough_start += trough_border;
+ trough_length -= 2 * trough_border;
+ }
+
+ if (trough_length == slider_length)
+ frac = 1.0;
else
- if (range->layout->trough.width == range->layout->slider.width)
- frac = 1.0;
- else
- frac = ((coord - range->layout->trough.x) /
- (gdouble) (range->layout->trough.width - range->layout->slider.width));
+ frac = (MAX (0, coord - trough_start) /
+ (gdouble) (trough_length - slider_length));
if (should_invert (range))
frac = 1.0 - frac;
-
- value = range->adjustment->lower +
- frac * (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size);
+
+ value = range->adjustment->lower + frac * (range->adjustment->upper -
+ range->adjustment->lower -
+ range->adjustment->page_size);
return value;
}
+static gboolean
+gtk_range_key_press (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ GtkRange *range = GTK_RANGE (widget);
+
+ if (event->keyval == GDK_Escape &&
+ range->layout->grab_location != MOUSE_OUTSIDE)
+ {
+ stop_scrolling (range);
+
+ update_slider_position (range,
+ range->slide_initial_coordinate,
+ range->slide_initial_coordinate);
+
+ return TRUE;
+ }
+
+ return GTK_WIDGET_CLASS (gtk_range_parent_class)->key_press_event (widget, event);
+}
+
static gint
gtk_range_button_press (GtkWidget *widget,
GdkEventButton *event)
{
- GtkRange *range;
-
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- range = GTK_RANGE (widget);
+ GtkRange *range = GTK_RANGE (widget);
if (!GTK_WIDGET_HAS_FOCUS (widget))
gtk_widget_grab_focus (widget);
gtk_widget_queue_draw (widget);
if (range->layout->mouse_location == MOUSE_TROUGH &&
- (event->button == 1 || event->button == 3))
+ event->button == 1)
{
- /* button 1 steps by step increment, as with button 1 on a stepper,
- * button 3 steps by page increment, as with button 2 on a stepper
+ /* button 1 steps by page increment, as with button 2 on a stepper
*/
GtkScrollType scroll;
gdouble click_value;
range->layout->mouse_location == MOUSE_SLIDER)
{
gboolean need_value_update = FALSE;
+ gboolean activate_slider;
/* Any button can be used to drag the slider, but you can start
* dragging the slider with a trough click using button 2;
range->slide_initial_coordinate = event->x;
}
+ range_grab_add (range, MOUSE_SLIDER, event->button);
+
+ gtk_widget_style_get (widget, "activate-slider", &activate_slider, NULL);
+
+ /* force a redraw, if the active slider is drawn differently to the
+ * prelight one
+ */
+ if (activate_slider)
+ gtk_widget_queue_draw (widget);
+
if (need_value_update)
update_slider_position (range, event->x, event->y);
- range_grab_add (range, MOUSE_SLIDER, event->button);
-
return TRUE;
}
gint delta;
gint c;
gdouble new_value;
-
+ gboolean handled;
+
if (range->orientation == GTK_ORIENTATION_VERTICAL)
delta = mouse_y - range->slide_initial_coordinate;
else
new_value = coord_to_value (range, c);
- gtk_range_internal_set_value (range, new_value);
+ g_signal_emit (range, signals[CHANGE_VALUE], 0, GTK_SCROLL_JUMP, new_value,
+ &handled);
+}
+
+static void
+stop_scrolling (GtkRange *range)
+{
+ range_grab_remove (range);
+ gtk_range_remove_step_timer (range);
+ /* Flush any pending discontinuous/delayed updates */
+ gtk_range_update_value (range);
+
+ /* Just be lazy about this, if we scrolled it will all redraw anyway,
+ * so no point optimizing the button deactivate case
+ */
+ gtk_widget_queue_draw (GTK_WIDGET (range));
+}
+
+static gboolean
+gtk_range_grab_broken (GtkWidget *widget,
+ GdkEventGrabBroken *event)
+{
+ GtkRange *range = GTK_RANGE (widget);
+
+ if (range->layout->grab_location != MOUSE_OUTSIDE)
+ {
+ if (range->layout->grab_location == MOUSE_SLIDER)
+ update_slider_position (range, range->layout->mouse_x, range->layout->mouse_y);
+
+ stop_scrolling (range);
+
+ return TRUE;
+ }
+
+ return FALSE;
}
static gint
gtk_range_button_release (GtkWidget *widget,
GdkEventButton *event)
{
- GtkRange *range;
-
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- range = GTK_RANGE (widget);
+ GtkRange *range = GTK_RANGE (widget);
- range->layout->mouse_x = event->x;
- range->layout->mouse_y = event->y;
+ if (event->window == range->event_window)
+ {
+ range->layout->mouse_x = event->x;
+ range->layout->mouse_y = event->y;
+ }
+ else
+ {
+ gdk_window_get_pointer (range->event_window,
+ &range->layout->mouse_x,
+ &range->layout->mouse_y,
+ NULL);
+ }
if (range->layout->grab_button == event->button)
{
- GtkScrollType scroll;
- MouseLocation grab_location;
-
- grab_location = range->layout->grab_location;
-
- scroll = range_get_scroll_for_grab (range);
-
- range_grab_remove (range);
- gtk_range_remove_step_timer (range);
-
- /* We only do the move if we're still on top of the button at
- * release
- */
- if (grab_location == range->layout->mouse_location &&
- scroll != GTK_SCROLL_NONE)
- {
- gtk_range_scroll (range, scroll);
- }
-
- if (grab_location == MOUSE_SLIDER)
- update_slider_position (range, event->x, event->y);
+ if (range->layout->grab_location == MOUSE_SLIDER)
+ update_slider_position (range, range->layout->mouse_x, range->layout->mouse_y);
- /* Flush any pending discontinuous/delayed updates */
- gtk_range_update_value (range);
-
- /* Just be lazy about this, if we scrolled it will all redraw anyway,
- * so no point optimizing the button deactivate case
- */
- gtk_widget_queue_draw (widget);
+ stop_scrolling (range);
return TRUE;
}
return FALSE;
}
+/**
+ * _gtk_range_get_wheel_delta:
+ * @range: a #GtkRange
+ * @direction: A #GdkScrollDirection
+ *
+ * Returns a good step value for the mouse wheel.
+ *
+ * Return value: A good step value for the mouse wheel.
+ *
+ * Since: 2.4
+ **/
+gdouble
+_gtk_range_get_wheel_delta (GtkRange *range,
+ GdkScrollDirection direction)
+{
+ GtkAdjustment *adj = range->adjustment;
+ gdouble delta;
+
+ if (GTK_IS_SCROLLBAR (range))
+ delta = pow (adj->page_size, 2.0 / 3.0);
+ else
+ delta = adj->step_increment * 2;
+
+ if (direction == GDK_SCROLL_UP ||
+ direction == GDK_SCROLL_LEFT)
+ delta = - delta;
+
+ if (range->inverted)
+ delta = - delta;
+
+ return delta;
+}
+
static gint
gtk_range_scroll_event (GtkWidget *widget,
GdkEventScroll *event)
{
- GtkRange *range;
-
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- range = GTK_RANGE (widget);
+ GtkRange *range = GTK_RANGE (widget);
if (GTK_WIDGET_REALIZED (range))
{
GtkAdjustment *adj = GTK_RANGE (range)->adjustment;
- gdouble new_value = adj->value + ((event->direction == GDK_SCROLL_UP ||
- event->direction == GDK_SCROLL_LEFT) ?
- -adj->page_increment / 2:
- adj->page_increment / 2);
+ gdouble delta;
+ gboolean handled;
- gtk_range_internal_set_value (range, new_value);
+ delta = _gtk_range_get_wheel_delta (range, event->direction);
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_JUMP, adj->value + delta,
+ &handled);
+
/* Policy DELAYED makes sense with scroll events,
* but DISCONTINUOUS doesn't, so we update immediately
- * for DISCONTINOUS
+ * for DISCONTINUOUS
*/
if (range->update_policy == GTK_UPDATE_DISCONTINUOUS)
gtk_range_update_value (range);
GtkRange *range;
gint x, y;
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
range = GTK_RANGE (widget);
gdk_window_get_pointer (range->event_window, &x, &y, NULL);
gtk_range_enter_notify (GtkWidget *widget,
GdkEventCrossing *event)
{
- GtkRange *range;
-
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- range = GTK_RANGE (widget);
+ GtkRange *range = GTK_RANGE (widget);
range->layout->mouse_x = event->x;
range->layout->mouse_y = event->y;
gtk_range_leave_notify (GtkWidget *widget,
GdkEventCrossing *event)
{
- GtkRange *range;
-
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- range = GTK_RANGE (widget);
+ GtkRange *range = GTK_RANGE (widget);
range->layout->mouse_x = -1;
range->layout->mouse_y = -1;
}
static void
-gtk_range_adjustment_changed (GtkAdjustment *adjustment,
- gpointer data)
+gtk_range_grab_notify (GtkWidget *widget,
+ gboolean was_grabbed)
{
- GtkRange *range;
+ if (!was_grabbed)
+ stop_scrolling (GTK_RANGE (widget));
+}
+
+static void
+gtk_range_state_changed (GtkWidget *widget,
+ GtkStateType previous_state)
+{
+ if (!GTK_WIDGET_IS_SENSITIVE (widget))
+ stop_scrolling (GTK_RANGE (widget));
+}
- g_return_if_fail (adjustment != NULL);
- g_return_if_fail (data != NULL);
+#define check_rectangle(rectangle1, rectangle2) \
+ { \
+ if (rectangle1.x != rectangle2.x) return TRUE; \
+ if (rectangle1.y != rectangle2.y) return TRUE; \
+ if (rectangle1.width != rectangle2.width) return TRUE; \
+ if (rectangle1.height != rectangle2.height) return TRUE; \
+ }
- range = GTK_RANGE (data);
+static gboolean
+layout_changed (GtkRangeLayout *layout1,
+ GtkRangeLayout *layout2)
+{
+ check_rectangle (layout1->slider, layout2->slider);
+ check_rectangle (layout1->trough, layout2->trough);
+ check_rectangle (layout1->stepper_a, layout2->stepper_a);
+ check_rectangle (layout1->stepper_d, layout2->stepper_d);
+ check_rectangle (layout1->stepper_b, layout2->stepper_b);
+ check_rectangle (layout1->stepper_c, layout2->stepper_c);
+
+ if (layout1->upper_sensitive != layout2->upper_sensitive) return TRUE;
+ if (layout1->lower_sensitive != layout2->lower_sensitive) return TRUE;
+
+ return FALSE;
+}
+
+static void
+gtk_range_adjustment_changed (GtkAdjustment *adjustment,
+ gpointer data)
+{
+ GtkRange *range = GTK_RANGE (data);
+ /* create a copy of the layout */
+ GtkRangeLayout layout = *range->layout;
range->need_recalc = TRUE;
- gtk_widget_queue_draw (GTK_WIDGET (range));
+ gtk_range_calc_layout (range, range->adjustment->value);
+
+ /* now check whether the layout changed */
+ if (layout_changed (range->layout, &layout))
+ gtk_widget_queue_draw (GTK_WIDGET (range));
/* Note that we don't round off to range->round_digits here.
* that's because it's really broken to change a value
gtk_range_adjustment_value_changed (GtkAdjustment *adjustment,
gpointer data)
{
- GtkRange *range;
-
- g_return_if_fail (adjustment != NULL);
- g_return_if_fail (data != NULL);
-
- range = GTK_RANGE (data);
+ GtkRange *range = GTK_RANGE (data);
+ /* create a copy of the layout */
+ GtkRangeLayout layout = *range->layout;
range->need_recalc = TRUE;
-
- gtk_widget_queue_draw (GTK_WIDGET (range));
- /* This is so we don't lag the widget being scrolled. */
- if (GTK_WIDGET_REALIZED (range))
- gdk_window_process_updates (GTK_WIDGET (range)->window, FALSE);
+ gtk_range_calc_layout (range, range->adjustment->value);
+
+ /* now check whether the layout changed */
+ if (layout_changed (range->layout, &layout))
+ {
+ gtk_widget_queue_draw (GTK_WIDGET (range));
+
+ /* This is so we don't lag the widget being scrolled. */
+ if (GTK_WIDGET_REALIZED (range))
+ gdk_window_process_updates (GTK_WIDGET (range)->window, FALSE);
+ }
/* Note that we don't round off to range->round_digits here.
* that's because it's really broken to change a value
* will enforce on the adjustment.
*/
- g_signal_emit (G_OBJECT (range), signals[VALUE_CHANGED], 0);
+ g_signal_emit (range, signals[VALUE_CHANGED], 0);
}
static void
gtk_range_style_set (GtkWidget *widget,
GtkStyle *previous_style)
{
- GtkRange *range;
-
- g_return_if_fail (GTK_IS_RANGE (widget));
-
- range = GTK_RANGE (widget);
+ GtkRange *range = GTK_RANGE (widget);
range->need_recalc = TRUE;
- (* GTK_WIDGET_CLASS (parent_class)->style_set) (widget, previous_style);
+ (* GTK_WIDGET_CLASS (gtk_range_parent_class)->style_set) (widget, previous_style);
}
static void
step_back (GtkRange *range)
{
gdouble newval;
+ gboolean handled;
newval = range->adjustment->value - range->adjustment->step_increment;
- gtk_range_internal_set_value (range, newval);
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_STEP_BACKWARD, newval, &handled);
}
static void
step_forward (GtkRange *range)
{
gdouble newval;
+ gboolean handled;
newval = range->adjustment->value + range->adjustment->step_increment;
-
- gtk_range_internal_set_value (range, newval);
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_STEP_FORWARD, newval, &handled);
}
page_back (GtkRange *range)
{
gdouble newval;
+ gboolean handled;
newval = range->adjustment->value - range->adjustment->page_increment;
- gtk_range_internal_set_value (range, newval);
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_PAGE_BACKWARD, newval, &handled);
}
static void
page_forward (GtkRange *range)
{
gdouble newval;
+ gboolean handled;
newval = range->adjustment->value + range->adjustment->page_increment;
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_PAGE_FORWARD, newval, &handled);
+}
+
+static void
+scroll_begin (GtkRange *range)
+{
+ gboolean handled;
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_START, range->adjustment->lower,
+ &handled);
+}
+
+static void
+scroll_end (GtkRange *range)
+{
+ gdouble newval;
+ gboolean handled;
- gtk_range_internal_set_value (range, newval);
+ newval = range->adjustment->upper - range->adjustment->page_size;
+ g_signal_emit (range, signals[CHANGE_VALUE], 0, GTK_SCROLL_END, newval,
+ &handled);
}
static void
break;
case GTK_SCROLL_START:
- gtk_range_internal_set_value (range,
- range->adjustment->lower);
+ scroll_begin (range);
break;
case GTK_SCROLL_END:
- gtk_range_internal_set_value (range,
- range->adjustment->upper - range->adjustment->page_size);
+ scroll_end (range);
break;
case GTK_SCROLL_JUMP:
gtk_range_move_slider (GtkRange *range,
GtkScrollType scroll)
{
+ gboolean cursor_only;
+
+ g_object_get (gtk_widget_get_settings (GTK_WIDGET (range)),
+ "gtk-keynav-cursor-only", &cursor_only,
+ NULL);
+
+ if (cursor_only)
+ {
+ GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (range));
+
+ if (range->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ if (scroll == GTK_SCROLL_STEP_UP ||
+ scroll == GTK_SCROLL_STEP_DOWN)
+ {
+ if (toplevel)
+ gtk_widget_child_focus (toplevel,
+ scroll == GTK_SCROLL_STEP_UP ?
+ GTK_DIR_UP : GTK_DIR_DOWN);
+ return;
+ }
+ }
+ else
+ {
+ if (scroll == GTK_SCROLL_STEP_LEFT ||
+ scroll == GTK_SCROLL_STEP_RIGHT)
+ {
+ if (toplevel)
+ gtk_widget_child_focus (toplevel,
+ scroll == GTK_SCROLL_STEP_LEFT ?
+ GTK_DIR_LEFT : GTK_DIR_RIGHT);
+ return;
+ }
+ }
+ }
+
gtk_range_scroll (range, scroll);
/* Policy DELAYED makes sense with key events,
* but DISCONTINUOUS doesn't, so we update immediately
- * for DISCONTINOUS
+ * for DISCONTINUOUS
*/
if (range->update_policy == GTK_UPDATE_DISCONTINUOUS)
gtk_range_update_value (range);
gtk_range_get_props (GtkRange *range,
gint *slider_width,
gint *stepper_size,
+ gint *focus_width,
gint *trough_border,
- gint *stepper_spacing)
+ gint *stepper_spacing,
+ gboolean *trough_under_steppers,
+ gint *arrow_displacement_x,
+ gint *arrow_displacement_y)
{
GtkWidget *widget = GTK_WIDGET (range);
- gint tmp_slider_width, tmp_stepper_size, tmp_trough_border, tmp_stepper_spacing;
+ gint tmp_slider_width, tmp_stepper_size, tmp_focus_width, tmp_trough_border;
+ gint tmp_stepper_spacing, tmp_trough_under_steppers;
+ gint tmp_arrow_displacement_x, tmp_arrow_displacement_y;
gtk_widget_style_get (widget,
- "slider_width", &tmp_slider_width,
- "trough_border", &tmp_trough_border,
- "stepper_size", &tmp_stepper_size,
- "stepper_spacing", &tmp_stepper_spacing,
+ "slider-width", &tmp_slider_width,
+ "trough-border", &tmp_trough_border,
+ "stepper-size", &tmp_stepper_size,
+ "stepper-spacing", &tmp_stepper_spacing,
+ "trough-under-steppers", &tmp_trough_under_steppers,
+ "arrow-displacement-x", &tmp_arrow_displacement_x,
+ "arrow-displacement-y", &tmp_arrow_displacement_y,
NULL);
+
+ if (tmp_stepper_spacing > 0)
+ tmp_trough_under_steppers = FALSE;
+
+ if (GTK_WIDGET_CAN_FOCUS (range))
+ {
+ gint focus_line_width;
+ gint focus_padding;
+
+ gtk_widget_style_get (GTK_WIDGET (range),
+ "focus-line-width", &focus_line_width,
+ "focus-padding", &focus_padding,
+ NULL);
+
+ tmp_focus_width = focus_line_width + focus_padding;
+ }
+ else
+ {
+ tmp_focus_width = 0;
+ }
if (slider_width)
*slider_width = tmp_slider_width;
+ if (focus_width)
+ *focus_width = tmp_focus_width;
+
if (trough_border)
*trough_border = tmp_trough_border;
if (stepper_spacing)
*stepper_spacing = tmp_stepper_spacing;
+
+ if (trough_under_steppers)
+ *trough_under_steppers = tmp_trough_under_steppers;
+
+ if (arrow_displacement_x)
+ *arrow_displacement_x = tmp_arrow_displacement_x;
+
+ if (arrow_displacement_y)
+ *arrow_displacement_y = tmp_arrow_displacement_y;
}
#define POINT_IN_RECT(xcoord, ycoord, rect) \
gtk_range_calc_request (GtkRange *range,
gint slider_width,
gint stepper_size,
+ gint focus_width,
gint trough_border,
gint stepper_spacing,
GdkRectangle *range_rect,
GtkBorder *border,
gint *n_steppers_p,
+ gboolean *has_steppers_ab,
+ gboolean *has_steppers_cd,
gint *slider_length_p)
{
gint slider_length;
gint n_steppers;
-
+ gint n_steppers_ab;
+ gint n_steppers_cd;
+
border->left = 0;
border->right = 0;
border->top = 0;
if (GTK_RANGE_GET_CLASS (range)->get_range_border)
(* GTK_RANGE_GET_CLASS (range)->get_range_border) (range, border);
-
- n_steppers = 0;
+
+ n_steppers_ab = 0;
+ n_steppers_cd = 0;
+
if (range->has_stepper_a)
- n_steppers += 1;
+ n_steppers_ab += 1;
if (range->has_stepper_b)
- n_steppers += 1;
+ n_steppers_ab += 1;
if (range->has_stepper_c)
- n_steppers += 1;
+ n_steppers_cd += 1;
if (range->has_stepper_d)
- n_steppers += 1;
+ n_steppers_cd += 1;
+
+ n_steppers = n_steppers_ab + n_steppers_cd;
slider_length = range->min_slider_size;
*/
if (range->orientation == GTK_ORIENTATION_VERTICAL)
{
- range_rect->width = trough_border * 2 + slider_width;
- range_rect->height = stepper_size * n_steppers + stepper_spacing * 2 + trough_border * 2 + slider_length;
+ range_rect->width = (focus_width + trough_border) * 2 + slider_width;
+ range_rect->height = stepper_size * n_steppers + (focus_width + trough_border) * 2 + slider_length;
+
+ if (n_steppers_ab > 0)
+ range_rect->height += stepper_spacing;
+
+ if (n_steppers_cd > 0)
+ range_rect->height += stepper_spacing;
}
else
{
- range_rect->width = stepper_size * n_steppers + stepper_spacing * 2 + trough_border * 2 + slider_length;
- range_rect->height = trough_border * 2 + slider_width;
+ range_rect->width = stepper_size * n_steppers + (focus_width + trough_border) * 2 + slider_length;
+ range_rect->height = (focus_width + trough_border) * 2 + slider_width;
+
+ if (n_steppers_ab > 0)
+ range_rect->width += stepper_spacing;
+
+ if (n_steppers_cd > 0)
+ range_rect->width += stepper_spacing;
}
if (n_steppers_p)
*n_steppers_p = n_steppers;
+ if (has_steppers_ab)
+ *has_steppers_ab = (n_steppers_ab > 0);
+
+ if (has_steppers_cd)
+ *has_steppers_cd = (n_steppers_cd > 0);
+
if (slider_length_p)
*slider_length_p = slider_length;
}
gtk_range_calc_layout (GtkRange *range,
gdouble adjustment_value)
{
- gint slider_width, stepper_size, trough_border, stepper_spacing;
+ gint slider_width, stepper_size, focus_width, trough_border, stepper_spacing;
gint slider_length;
GtkBorder border;
gint n_steppers;
+ gboolean has_steppers_ab;
+ gboolean has_steppers_cd;
+ gboolean trough_under_steppers;
GdkRectangle range_rect;
GtkRangeLayout *layout;
GtkWidget *widget;
layout = range->layout;
gtk_range_get_props (range,
- &slider_width, &stepper_size, &trough_border, &stepper_spacing);
+ &slider_width, &stepper_size,
+ &focus_width, &trough_border,
+ &stepper_spacing, &trough_under_steppers,
+ NULL, NULL);
gtk_range_calc_request (range,
- slider_width, stepper_size, trough_border, stepper_spacing,
- &range_rect, &border, &n_steppers, &slider_length);
+ slider_width, stepper_size,
+ focus_width, trough_border, stepper_spacing,
+ &range_rect, &border, &n_steppers,
+ &has_steppers_ab, &has_steppers_cd, &slider_length);
/* We never expand to fill available space in the small dimension
* (i.e. vertical scrollbars are always a fixed width)
* height, or if we don't have enough height, divided equally
* among available space.
*/
- stepper_width = range_rect.width - trough_border * 2;
+ stepper_width = range_rect.width - focus_width * 2;
+
+ if (trough_under_steppers)
+ stepper_width -= trough_border * 2;
if (stepper_width < 1)
stepper_width = range_rect.width; /* screw the trough border */
/* Stepper A */
- layout->stepper_a.x = range_rect.x + trough_border;
- layout->stepper_a.y = range_rect.y + trough_border;
+ layout->stepper_a.x = range_rect.x + focus_width + trough_border * trough_under_steppers;
+ layout->stepper_a.y = range_rect.y + focus_width + trough_border * trough_under_steppers;
if (range->has_stepper_a)
{
}
layout->stepper_d.x = layout->stepper_a.x;
- layout->stepper_d.y = range_rect.y + range_rect.height - layout->stepper_d.height - trough_border;
+ layout->stepper_d.y = range_rect.y + range_rect.height - layout->stepper_d.height - focus_width - trough_border * trough_under_steppers;
/* Stepper C */
layout->stepper_c.y = layout->stepper_d.y - layout->stepper_c.height;
/* Now the trough is the remaining space between steppers B and C,
- * if any
+ * if any, minus spacing
*/
layout->trough.x = range_rect.x;
- layout->trough.y = layout->stepper_b.y + layout->stepper_b.height;
+ layout->trough.y = layout->stepper_b.y + layout->stepper_b.height + stepper_spacing * has_steppers_ab;
layout->trough.width = range_rect.width;
- layout->trough.height = layout->stepper_c.y - (layout->stepper_b.y + layout->stepper_b.height);
-
+ layout->trough.height = layout->stepper_c.y - layout->trough.y - stepper_spacing * has_steppers_cd;
+
/* Slider fits into the trough, with stepper_spacing on either side,
* and the size/position based on the adjustment or fixed, depending.
*/
- layout->slider.x = layout->trough.x + trough_border;
- layout->slider.width = layout->trough.width - trough_border * 2;
+ layout->slider.x = layout->trough.x + focus_width + trough_border;
+ layout->slider.width = layout->trough.width - (focus_width + trough_border) * 2;
/* Compute slider position/length */
{
gint y, bottom, top, height;
- top = layout->trough.y + stepper_spacing;
- bottom = layout->trough.y + layout->trough.height - stepper_spacing;
-
+ top = layout->trough.y;
+ bottom = layout->trough.y + layout->trough.height;
+
+ if (! trough_under_steppers)
+ {
+ top += trough_border;
+ bottom -= trough_border;
+ }
+
/* slider height is the fraction (page_size /
* total_adjustment_range) times the trough height in pixels
*/
- height = ((bottom - top) * (range->adjustment->page_size /
- (range->adjustment->upper - range->adjustment->lower)));
+
+ if (range->adjustment->upper - range->adjustment->lower != 0)
+ height = ((bottom - top) * (range->adjustment->page_size /
+ (range->adjustment->upper - range->adjustment->lower)));
+ else
+ height = range->min_slider_size;
if (height < range->min_slider_size ||
range->slider_size_fixed)
height = range->min_slider_size;
-
- height = MIN (height, (layout->trough.height - stepper_spacing * 2));
+
+ height = MIN (height, layout->trough.height);
y = top;
if (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size != 0)
- y += (bottom - top - height) * ((adjustment_value - range->adjustment->lower) /
- (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size));
+ y += (bottom - top - height) * ((adjustment_value - range->adjustment->lower) /
+ (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size));
y = CLAMP (y, top, bottom);
* width, or if we don't have enough width, divided equally
* among available space.
*/
- stepper_height = range_rect.height - trough_border * 2;
+ stepper_height = range_rect.height + focus_width * 2;
+
+ if (trough_under_steppers)
+ stepper_height -= trough_border * 2;
if (stepper_height < 1)
stepper_height = range_rect.height; /* screw the trough border */
/* Stepper A */
- layout->stepper_a.x = range_rect.x + trough_border;
- layout->stepper_a.y = range_rect.y + trough_border;
+ layout->stepper_a.x = range_rect.x + focus_width + trough_border * trough_under_steppers;
+ layout->stepper_a.y = range_rect.y + focus_width + trough_border * trough_under_steppers;
if (range->has_stepper_a)
{
layout->stepper_d.height = 0;
}
- layout->stepper_d.x = range_rect.x + range_rect.width - layout->stepper_d.width - trough_border;
+ layout->stepper_d.x = range_rect.x + range_rect.width - layout->stepper_d.width - focus_width - trough_border * trough_under_steppers;
layout->stepper_d.y = layout->stepper_a.y;
/* Now the trough is the remaining space between steppers B and C,
* if any
*/
- layout->trough.x = layout->stepper_b.x + layout->stepper_b.width;
+ layout->trough.x = layout->stepper_b.x + layout->stepper_b.width + stepper_spacing * has_steppers_ab;
layout->trough.y = range_rect.y;
- layout->trough.width = layout->stepper_c.x - (layout->stepper_b.x + layout->stepper_b.width);
+ layout->trough.width = layout->stepper_c.x - layout->trough.x - stepper_spacing * has_steppers_cd;
layout->trough.height = range_rect.height;
-
+
/* Slider fits into the trough, with stepper_spacing on either side,
* and the size/position based on the adjustment or fixed, depending.
*/
- layout->slider.y = layout->trough.y + trough_border;
- layout->slider.height = layout->trough.height - trough_border * 2;
+ layout->slider.y = layout->trough.y + focus_width + trough_border;
+ layout->slider.height = layout->trough.height - (focus_width + trough_border) * 2;
/* Compute slider position/length */
{
gint x, left, right, width;
- left = layout->trough.x + stepper_spacing;
- right = layout->trough.x + layout->trough.width - stepper_spacing;
-
+ left = layout->trough.x;
+ right = layout->trough.x + layout->trough.width;
+
+ if (! trough_under_steppers)
+ {
+ left += trough_border;
+ right -= trough_border;
+ }
+
/* slider width is the fraction (page_size /
* total_adjustment_range) times the trough width in pixels
*/
- width = ((right - left) * (range->adjustment->page_size /
+
+ if (range->adjustment->upper - range->adjustment->lower != 0)
+ width = ((right - left) * (range->adjustment->page_size /
(range->adjustment->upper - range->adjustment->lower)));
+ else
+ width = range->min_slider_size;
if (width < range->min_slider_size ||
range->slider_size_fixed)
width = range->min_slider_size;
- width = MIN (width, (layout->trough.width - stepper_spacing * 2));
+ width = MIN (width, layout->trough.width);
x = left;
- x += (right - left - width) * ((adjustment_value - range->adjustment->lower) /
- (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size));
+ if (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size != 0)
+ x += (right - left - width) * ((adjustment_value - range->adjustment->lower) /
+ (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size));
x = CLAMP (x, left, right);
}
gtk_range_update_mouse_location (range);
+
+ switch (range->layout->upper_sensitivity)
+ {
+ case GTK_SENSITIVITY_AUTO:
+ range->layout->upper_sensitive =
+ (range->adjustment->value <
+ (range->adjustment->upper - range->adjustment->page_size));
+ break;
+
+ case GTK_SENSITIVITY_ON:
+ range->layout->upper_sensitive = TRUE;
+ break;
+
+ case GTK_SENSITIVITY_OFF:
+ range->layout->upper_sensitive = FALSE;
+ break;
+ }
+
+ switch (range->layout->lower_sensitivity)
+ {
+ case GTK_SENSITIVITY_AUTO:
+ range->layout->lower_sensitive =
+ (range->adjustment->value > range->adjustment->lower);
+ break;
+
+ case GTK_SENSITIVITY_ON:
+ range->layout->lower_sensitive = TRUE;
+ break;
+
+ case GTK_SENSITIVITY_OFF:
+ range->layout->lower_sensitive = FALSE;
+ break;
+ }
}
static GdkRectangle*
return NULL;
}
-static void
-gtk_range_internal_set_value (GtkRange *range,
- gdouble value)
+static gboolean
+gtk_range_real_change_value (GtkRange *range,
+ GtkScrollType scroll,
+ gdouble value)
{
+ /* potentially adjust the bounds _before we clamp */
+ g_signal_emit (range, signals[ADJUST_BOUNDS], 0, value);
+
+ if (range->layout->restrict_to_fill_level)
+ value = MIN (value, MAX (range->adjustment->lower,
+ range->layout->fill_level));
+
value = CLAMP (value, range->adjustment->lower,
(range->adjustment->upper - range->adjustment->page_size));
if (range->round_digits >= 0)
{
- char buffer[128];
+ gdouble power;
+ gint i;
- /* This is just so darn lame. */
- g_snprintf (buffer, 128, "%0.*f",
- range->round_digits, value);
- sscanf (buffer, "%lf", &value);
+ i = range->round_digits;
+ power = 1;
+ while (i--)
+ power *= 10;
+
+ value = floor ((value * power) + 0.5) / power;
}
if (range->adjustment->value != value)
break;
}
}
+ return FALSE;
}
static void
{
GtkRange *range;
- GDK_THREADS_ENTER ();
range = GTK_RANGE (data);
gtk_range_scroll (range, range->timer->step);
- GDK_THREADS_LEAVE ();
return TRUE;
}
static gboolean
initial_timeout (gpointer data)
{
- GtkRange *range;
+ GtkRange *range;
+ GtkSettings *settings;
+ guint timeout;
- GDK_THREADS_ENTER ();
- range = GTK_RANGE (data);
- range->timer->timeout_id =
- g_timeout_add (SCROLL_LATER_DELAY,
- second_timeout,
- range);
- GDK_THREADS_LEAVE ();
+ settings = gtk_widget_get_settings (GTK_WIDGET (data));
+ g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL);
+ range = GTK_RANGE (data);
+ range->timer->timeout_id = gdk_threads_add_timeout (timeout * SCROLL_DELAY_FACTOR,
+ second_timeout,
+ range);
/* remove self */
return FALSE;
}
gtk_range_add_step_timer (GtkRange *range,
GtkScrollType step)
{
+ GtkSettings *settings;
+ guint timeout;
+
g_return_if_fail (range->timer == NULL);
g_return_if_fail (step != GTK_SCROLL_NONE);
-
+
+ settings = gtk_widget_get_settings (GTK_WIDGET (range));
+ g_object_get (settings, "gtk-timeout-initial", &timeout, NULL);
+
range->timer = g_new (GtkRangeStepTimer, 1);
- range->timer->timeout_id =
- g_timeout_add (SCROLL_INITIAL_DELAY,
- initial_timeout,
- range);
+ range->timer->timeout_id = gdk_threads_add_timeout (timeout,
+ initial_timeout,
+ range);
range->timer->step = step;
+
+ gtk_range_scroll (range, range->timer->step);
}
static void
{
GtkRange *range;
- GDK_THREADS_ENTER ();
range = GTK_RANGE (data);
gtk_range_update_value (range);
range->update_timeout_id = 0;
- GDK_THREADS_LEAVE ();
/* self-remove */
return FALSE;
{
gtk_range_remove_update_timer (range);
- range->update_timeout_id = g_timeout_add (UPDATE_DELAY,
+ range->update_timeout_id = gdk_threads_add_timeout (UPDATE_DELAY,
update_timeout,
range);
}
range->update_timeout_id = 0;
}
}
+
+#define __GTK_RANGE_C__
+#include "gtkaliasdef.c"
projects / ~andy / gtk / blobdiff