/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ * Copyright (C) 2001 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
*/
/*
- * 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 "gtkscrollbar.h"
+#include "gtkprivate.h"
+#include "gtkalias.h"
-#define SCROLL_TIMER_LENGTH 20
-#define SCROLL_INITIAL_DELAY 100
-#define SCROLL_DELAY_LENGTH 300
+#define SCROLL_DELAY_FACTOR 5 /* Scroll repeat multiplier */
+#define UPDATE_DELAY 300 /* Delay for queued update */
-#define RANGE_CLASS(w) GTK_RANGE_GET_CLASS (w)
+enum {
+ PROP_0,
+ PROP_UPDATE_POLICY,
+ PROP_ADJUSTMENT,
+ PROP_INVERTED,
+ PROP_LOWER_STEPPER_SENSITIVITY,
+ PROP_UPPER_STEPPER_SENSITIVITY,
+ PROP_SHOW_FILL_LEVEL,
+ PROP_RESTRICT_TO_FILL_LEVEL,
+ PROP_FILL_LEVEL
+};
enum {
- ARG_0,
- ARG_UPDATE_POLICY
+ VALUE_CHANGED,
+ ADJUST_BOUNDS,
+ MOVE_SLIDER,
+ CHANGE_VALUE,
+ LAST_SIGNAL
};
-static void gtk_range_class_init (GtkRangeClass *klass);
-static void gtk_range_init (GtkRange *range);
-static void gtk_range_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-static void gtk_range_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-static void gtk_range_destroy (GtkObject *object);
-static void gtk_range_draw_focus (GtkWidget *widget);
-static void gtk_range_unrealize (GtkWidget *widget);
-static gint gtk_range_expose (GtkWidget *widget,
- GdkEventExpose *event);
-static gint gtk_range_button_press (GtkWidget *widget,
- GdkEventButton *event);
-static gint gtk_range_button_release (GtkWidget *widget,
- GdkEventButton *event);
-static gint gtk_range_motion_notify (GtkWidget *widget,
- GdkEventMotion *event);
-static gint gtk_range_key_press (GtkWidget *widget,
- GdkEventKey *event);
-static gint gtk_range_enter_notify (GtkWidget *widget,
- GdkEventCrossing *event);
-static gint gtk_range_leave_notify (GtkWidget *widget,
- GdkEventCrossing *event);
-static gint gtk_range_focus_in (GtkWidget *widget,
- GdkEventFocus *event);
-static gint gtk_range_focus_out (GtkWidget *widget,
- GdkEventFocus *event);
-static gint gtk_range_scroll_event (GtkWidget *widget,
- GdkEventScroll *event);
-static void gtk_range_style_set (GtkWidget *widget,
- GtkStyle *previous_style);
-
-static void gtk_real_range_draw_trough (GtkRange *range);
-static void gtk_real_range_draw_slider (GtkRange *range);
-static gint gtk_real_range_timer (GtkRange *range);
-static gint gtk_range_scroll (GtkRange *range,
- gfloat jump_perc);
-
-static void gtk_range_add_timer (GtkRange *range);
-static void gtk_range_remove_timer (GtkRange *range);
-
-static void gtk_range_adjustment_changed (GtkAdjustment *adjustment,
- gpointer data);
-static void gtk_range_adjustment_value_changed (GtkAdjustment *adjustment,
- gpointer data);
-
-static void gtk_range_trough_hdims (GtkRange *range,
- gint *left,
- gint *right);
-static void gtk_range_trough_vdims (GtkRange *range,
- gint *top,
- gint *bottom);
-
-static GtkWidgetClass *parent_class = NULL;
-
-
-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);
- }
+typedef enum {
+ MOUSE_OUTSIDE,
+ MOUSE_STEPPER_A,
+ MOUSE_STEPPER_B,
+ MOUSE_STEPPER_C,
+ MOUSE_STEPPER_D,
+ MOUSE_TROUGH,
+ MOUSE_SLIDER,
+ 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 */
+ GdkRectangle stepper_a;
+ GdkRectangle stepper_b;
+ GdkRectangle stepper_c;
+ GdkRectangle stepper_d;
+ /* The trough rectangle is the area the thumb can slide in, not the
+ * entire range_rect
+ */
+ GdkRectangle trough;
+ GdkRectangle slider;
+
+ /* Layout-related state */
+
+ MouseLocation mouse_location;
+ /* 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;
+ 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;
+};
- return range_type;
-}
+
+static void gtk_range_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_range_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gtk_range_destroy (GtkObject *object);
+static void gtk_range_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_range_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void gtk_range_realize (GtkWidget *widget);
+static void gtk_range_unrealize (GtkWidget *widget);
+static void gtk_range_map (GtkWidget *widget);
+static void gtk_range_unmap (GtkWidget *widget);
+static gint gtk_range_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static gint gtk_range_button_press (GtkWidget *widget,
+ GdkEventButton *event);
+static gint gtk_range_button_release (GtkWidget *widget,
+ GdkEventButton *event);
+static gint gtk_range_motion_notify (GtkWidget *widget,
+ GdkEventMotion *event);
+static gint gtk_range_enter_notify (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,
+ GtkStyle *previous_style);
+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_move_slider (GtkRange *range,
+ GtkScrollType scroll);
+
+/* Internals */
+static void gtk_range_scroll (GtkRange *range,
+ GtkScrollType scroll);
+static gboolean gtk_range_update_mouse_location (GtkRange *range);
+static void gtk_range_calc_layout (GtkRange *range,
+ gdouble adjustment_value);
+static void gtk_range_get_props (GtkRange *range,
+ gint *slider_width,
+ gint *stepper_size,
+ gint *focus_width,
+ gint *trough_border,
+ 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_adjustment_changed (GtkAdjustment *adjustment,
+ gpointer data);
+static void gtk_range_add_step_timer (GtkRange *range,
+ GtkScrollType step);
+static void gtk_range_remove_step_timer (GtkRange *range);
+static void gtk_range_reset_update_timer (GtkRange *range);
+static void gtk_range_remove_update_timer (GtkRange *range);
+static GdkRectangle* get_area (GtkRange *range,
+ MouseLocation location);
+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 guint signals[LAST_SIGNAL];
+
+G_DEFINE_ABSTRACT_TYPE (GtkRange, gtk_range, GTK_TYPE_WIDGET)
static void
gtk_range_class_init (GtkRangeClass *class)
{
+ GObjectClass *gobject_class;
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
+ gobject_class = G_OBJECT_CLASS (class);
object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
- parent_class = gtk_type_class (GTK_TYPE_WIDGET);
-
- object_class->set_arg = gtk_range_set_arg;
- object_class->get_arg = gtk_range_get_arg;
+ gobject_class->set_property = gtk_range_set_property;
+ gobject_class->get_property = gtk_range_get_property;
object_class->destroy = gtk_range_destroy;
- widget_class->draw_focus = gtk_range_draw_focus;
- widget_class->unrealize = gtk_range_unrealize;
+ widget_class->size_request = gtk_range_size_request;
+ widget_class->size_allocate = gtk_range_size_allocate;
+ widget_class->realize = gtk_range_realize;
+ widget_class->unrealize = gtk_range_unrealize;
+ widget_class->map = gtk_range_map;
+ widget_class->unmap = gtk_range_unmap;
widget_class->expose_event = gtk_range_expose;
widget_class->button_press_event = gtk_range_button_press;
widget_class->button_release_event = gtk_range_button_release;
widget_class->motion_notify_event = gtk_range_motion_notify;
widget_class->scroll_event = gtk_range_scroll_event;
- widget_class->key_press_event = gtk_range_key_press;
widget_class->enter_notify_event = gtk_range_enter_notify;
widget_class->leave_notify_event = gtk_range_leave_notify;
- widget_class->focus_in_event = gtk_range_focus_in;
- widget_class->focus_out_event = gtk_range_focus_out;
+ 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";
- class->slider_width = 11;
- class->stepper_size = 11;
- class->stepper_slider_spacing = 1;
- class->min_slider_size = 7;
- class->trough = 1;
- class->slider = 2;
- class->step_forw = 3;
- class->step_back = 4;
- class->draw_background = NULL;
- class->clear_background = NULL;
- class->draw_trough = gtk_real_range_draw_trough;
- class->draw_slider = gtk_real_range_draw_slider;
- class->draw_step_forw = NULL;
- class->draw_step_back = NULL;
- class->trough_click = NULL;
- class->trough_keys = NULL;
- class->motion = NULL;
- class->timer = gtk_real_range_timer;
-
- gtk_object_add_arg_type ("GtkRange::update_policy",
- GTK_TYPE_UPDATE_TYPE,
- GTK_ARG_READWRITE,
- ARG_UPDATE_POLICY);
+ signals[VALUE_CHANGED] =
+ 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 (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",
+ P_("Update policy"),
+ P_("How the range should be updated on the screen"),
+ GTK_TYPE_UPDATE_TYPE,
+ GTK_UPDATE_CONTINUOUS,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_ADJUSTMENT,
+ g_param_spec_object ("adjustment",
+ P_("Adjustment"),
+ P_("The GtkAdjustment that contains the current value of this range object"),
+ GTK_TYPE_ADJUSTMENT,
+ GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (gobject_class,
+ PROP_INVERTED,
+ g_param_spec_boolean ("inverted",
+ P_("Inverted"),
+ P_("Invert direction slider moves to increase range value"),
+ FALSE,
+ 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",
+ P_("Slider Width"),
+ P_("Width of scrollbar or scale thumb"),
+ 0,
+ G_MAXINT,
+ 14,
+ GTK_PARAM_READABLE));
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("trough-border",
+ P_("Trough Border"),
+ P_("Spacing between thumb/steppers and outer trough bevel"),
+ 0,
+ G_MAXINT,
+ 1,
+ GTK_PARAM_READABLE));
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("stepper-size",
+ P_("Stepper Size"),
+ P_("Length of step buttons at ends"),
+ 0,
+ G_MAXINT,
+ 14,
+ 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",
+ P_("Stepper Spacing"),
+ P_("Spacing between step buttons and thumb"),
+ 0,
+ G_MAXINT,
+ 0,
+ 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
-gtk_range_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id)
+gtk_range_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
GtkRange *range;
range = GTK_RANGE (object);
- switch (arg_id)
+ switch (prop_id)
{
- case ARG_UPDATE_POLICY:
- gtk_range_set_update_policy (range, GTK_VALUE_ENUM (*arg));
+ case PROP_UPDATE_POLICY:
+ gtk_range_set_update_policy (range, g_value_get_enum (value));
+ break;
+ case PROP_ADJUSTMENT:
+ gtk_range_set_adjustment (range, g_value_get_object (value));
+ break;
+ 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;
}
}
static void
-gtk_range_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id)
+gtk_range_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
GtkRange *range;
range = GTK_RANGE (object);
- switch (arg_id)
+ switch (prop_id)
{
- case ARG_UPDATE_POLICY:
- GTK_VALUE_ENUM (*arg) = range->policy;
+ case PROP_UPDATE_POLICY:
+ g_value_set_enum (value, range->update_policy);
+ break;
+ case PROP_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:
- arg->type = GTK_TYPE_INVALID;
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_range_init (GtkRange *range)
{
- range->trough = NULL;
- range->slider = NULL;
- range->step_forw = NULL;
- range->step_back = NULL;
-
- range->x_click_point = 0;
- range->y_click_point = 0;
- range->button = 0;
- range->digits = -1;
- range->policy = GTK_UPDATE_CONTINUOUS;
- range->scroll_type = GTK_SCROLL_NONE;
- range->in_child = 0;
- range->click_child = 0;
- range->need_timer = FALSE;
- range->timer = 0;
- range->flippable = 0;
- range->old_value = 0.0;
- range->old_lower = 0.0;
- range->old_upper = 0.0;
- range->old_page_size = 0.0;
+ GTK_WIDGET_SET_FLAGS (range, GTK_NO_WINDOW);
+
range->adjustment = NULL;
+ range->update_policy = GTK_UPDATE_CONTINUOUS;
+ range->inverted = FALSE;
+ range->flippable = FALSE;
+ range->min_slider_size = 1;
+ range->has_stepper_a = FALSE;
+ range->has_stepper_b = FALSE;
+ range->has_stepper_c = FALSE;
+ range->has_stepper_d = FALSE;
+ range->need_recalc = TRUE;
+ range->round_digits = -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;
}
+/**
+ * gtk_range_get_adjustment:
+ * @range: a #GtkRange
+ *
+ * Get the #GtkAdjustment which is the "model" object for #GtkRange.
+ * See gtk_range_set_adjustment() for details.
+ * The return value does not have a reference added, so should not
+ * be unreferenced.
+ *
+ * Return value: a #GtkAdjustment
+ **/
GtkAdjustment*
gtk_range_get_adjustment (GtkRange *range)
{
- g_return_val_if_fail (range != NULL, NULL);
g_return_val_if_fail (GTK_IS_RANGE (range), NULL);
if (!range->adjustment)
return range->adjustment;
}
+/**
+ * gtk_range_set_update_policy:
+ * @range: a #GtkRange
+ * @policy: update policy
+ *
+ * Sets the update policy for the range. #GTK_UPDATE_CONTINUOUS means that
+ * anytime the range slider is moved, the range value will change and the
+ * value_changed signal will be emitted. #GTK_UPDATE_DELAYED means that
+ * the value will be updated after a brief timeout where no slider motion
+ * occurs, so updates are spaced by a short time rather than
+ * continuous. #GTK_UPDATE_DISCONTINUOUS means that the value will only
+ * be updated when the user releases the button and ends the slider
+ * drag operation.
+ *
+ **/
void
gtk_range_set_update_policy (GtkRange *range,
GtkUpdateType policy)
{
- g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_RANGE (range));
- range->policy = policy;
+ if (range->update_policy != policy)
+ {
+ range->update_policy = policy;
+ g_object_notify (G_OBJECT (range), "update-policy");
+ }
+}
+
+/**
+ * gtk_range_get_update_policy:
+ * @range: a #GtkRange
+ *
+ * Gets the update policy of @range. See gtk_range_set_update_policy().
+ *
+ * Return value: the current update policy
+ **/
+GtkUpdateType
+gtk_range_get_update_policy (GtkRange *range)
+{
+ g_return_val_if_fail (GTK_IS_RANGE (range), GTK_UPDATE_CONTINUOUS);
+
+ return range->update_policy;
}
+/**
+ * gtk_range_set_adjustment:
+ * @range: a #GtkRange
+ * @adjustment: a #GtkAdjustment
+ *
+ * Sets the adjustment to be used as the "model" object for this range
+ * widget. The adjustment indicates the current range value, the
+ * minimum and maximum range values, the step/page increments used
+ * for keybindings and scrolling, and the page size. The page size
+ * is normally 0 for #GtkScale and nonzero for #GtkScrollbar, and
+ * indicates the size of the visible area of the widget being scrolled.
+ * The page size affects the size of the scrollbar slider.
+ *
+ **/
void
gtk_range_set_adjustment (GtkRange *range,
GtkAdjustment *adjustment)
{
- g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_RANGE (range));
if (!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 = adjustment;
- gtk_object_ref (GTK_OBJECT (adjustment));
- gtk_object_sink (GTK_OBJECT (adjustment));
-
- gtk_signal_connect (GTK_OBJECT (adjustment), "changed",
- (GtkSignalFunc) gtk_range_adjustment_changed,
- (gpointer) range);
- gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed",
- (GtkSignalFunc) gtk_range_adjustment_value_changed,
- (gpointer) range);
+ g_object_ref_sink (adjustment);
- range->old_value = adjustment->value;
- range->old_lower = adjustment->lower;
- range->old_upper = adjustment->upper;
- range->old_page_size = adjustment->page_size;
+ 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, (gpointer) range);
+ gtk_range_adjustment_changed (adjustment, range);
+ g_object_notify (G_OBJECT (range), "adjustment");
}
}
+/**
+ * gtk_range_set_inverted:
+ * @range: a #GtkRange
+ * @setting: %TRUE to invert the range
+ *
+ * Ranges normally move from lower to higher values as the
+ * slider moves from top to bottom or left to right. Inverted
+ * ranges have higher values at the top or on the right rather than
+ * on the bottom or left.
+ *
+ **/
void
gtk_range_set_inverted (GtkRange *range,
gboolean setting)
if (setting != range->inverted)
{
range->inverted = setting;
+ g_object_notify (G_OBJECT (range), "inverted");
gtk_widget_queue_resize (GTK_WIDGET (range));
}
}
+/**
+ * gtk_range_get_inverted:
+ * @range: a #GtkRange
+ *
+ * Gets the value set by gtk_range_set_inverted().
+ *
+ * Return value: %TRUE if the range is inverted
+ **/
gboolean
gtk_range_get_inverted (GtkRange *range)
{
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_draw_background (GtkRange *range)
+gtk_range_set_lower_stepper_sensitivity (GtkRange *range,
+ GtkSensitivityType sensitivity)
{
- g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_RANGE (range));
- if (range->trough && RANGE_CLASS (range)->draw_background)
- (* RANGE_CLASS (range)->draw_background) (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");
+ }
}
-void
-gtk_range_clear_background (GtkRange *range)
+/**
+ * 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_if_fail (range != NULL);
- g_return_if_fail (GTK_IS_RANGE (range));
+ g_return_val_if_fail (GTK_IS_RANGE (range), GTK_SENSITIVITY_AUTO);
- if (range->trough && RANGE_CLASS (range)->clear_background)
- (* RANGE_CLASS (range)->clear_background) (range);
+ 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_draw_trough (GtkRange *range)
+gtk_range_set_upper_stepper_sensitivity (GtkRange *range,
+ GtkSensitivityType sensitivity)
{
- g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_RANGE (range));
- if (range->trough && RANGE_CLASS (range)->draw_trough)
- (* RANGE_CLASS (range)->draw_trough) (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");
+ }
}
-void
-gtk_range_draw_slider (GtkRange *range)
+/**
+ * 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_if_fail (range != NULL);
- g_return_if_fail (GTK_IS_RANGE (range));
+ g_return_val_if_fail (GTK_IS_RANGE (range), GTK_SENSITIVITY_AUTO);
- if (range->slider && RANGE_CLASS (range)->draw_slider)
- (* RANGE_CLASS (range)->draw_slider) (range);
+ return range->layout->upper_sensitivity;
}
+/**
+ * gtk_range_set_increments:
+ * @range: a #GtkRange
+ * @step: step size
+ * @page: page size
+ *
+ * Sets the step and page sizes for the range.
+ * The step size is used when the user clicks the #GtkScrollbar
+ * arrows or moves #GtkScale via arrow keys. The page size
+ * is used for example when moving via Page Up or Page Down keys.
+ *
+ **/
void
-gtk_range_draw_step_forw (GtkRange *range)
+gtk_range_set_increments (GtkRange *range,
+ gdouble step,
+ gdouble page)
{
- g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_RANGE (range));
- if (range->step_forw && RANGE_CLASS (range)->draw_step_forw)
- (* RANGE_CLASS (range)->draw_step_forw) (range);
+ range->adjustment->step_increment = step;
+ range->adjustment->page_increment = page;
+
+ gtk_adjustment_changed (range->adjustment);
}
+/**
+ * gtk_range_set_range:
+ * @range: a #GtkRange
+ * @min: minimum range value
+ * @max: maximum range value
+ *
+ * Sets the allowable values in the #GtkRange, and clamps the range
+ * 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_draw_step_back (GtkRange *range)
+gtk_range_set_range (GtkRange *range,
+ gdouble min,
+ gdouble max)
{
- g_return_if_fail (range != NULL);
+ gdouble value;
+
g_return_if_fail (GTK_IS_RANGE (range));
+ g_return_if_fail (min < max);
+
+ range->adjustment->lower = min;
+ range->adjustment->upper = max;
+
+ 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));
- if (range->step_back && RANGE_CLASS (range)->draw_step_back)
- (* RANGE_CLASS (range)->draw_step_back) (range);
+ gtk_adjustment_set_value (range->adjustment, value);
+ gtk_adjustment_changed (range->adjustment);
}
+/**
+ * gtk_range_set_value:
+ * @range: a #GtkRange
+ * @value: new value of the range
+ *
+ * Sets the current value of the range; if the value is outside the
+ * minimum or maximum range values, it will be clamped to fit inside
+ * them. The range emits the "value_changed" signal if the value
+ * changes.
+ *
+ **/
void
-gtk_range_slider_update (GtkRange *range)
+gtk_range_set_value (GtkRange *range,
+ gdouble value)
{
- g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_RANGE (range));
- if (RANGE_CLASS (range)->slider_update)
- (* RANGE_CLASS (range)->slider_update) (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));
+
+ gtk_adjustment_set_value (range->adjustment, value);
}
-gint
-gtk_range_trough_click (GtkRange *range,
- gint x,
- gint y,
- gfloat *jump_perc)
+/**
+ * gtk_range_get_value:
+ * @range: a #GtkRange
+ *
+ * Gets the current value of the range.
+ *
+ * Return value: current value of the range.
+ **/
+gdouble
+gtk_range_get_value (GtkRange *range)
{
- g_return_val_if_fail (range != NULL, GTK_TROUGH_NONE);
- g_return_val_if_fail (GTK_IS_RANGE (range), GTK_TROUGH_NONE);
-
- if (RANGE_CLASS (range)->trough_click)
- return (* RANGE_CLASS (range)->trough_click) (range, x, y, jump_perc);
+ g_return_val_if_fail (GTK_IS_RANGE (range), 0.0);
- return GTK_TROUGH_NONE;
+ return range->adjustment->value;
}
-static GdkRegion *
-get_window_region (GdkWindow *window)
+/**
+ * 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)
{
- GdkRectangle rect;
+ g_return_if_fail (GTK_IS_RANGE (range));
- gdk_window_get_position (window, &rect.x, &rect.y);
- gdk_window_get_size (window, &rect.width, &rect.height);
+ show_fill_level = show_fill_level ? TRUE : FALSE;
- return gdk_region_rectangle (&rect);
+ 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));
+ }
}
-static void
-move_and_update_window (GdkWindow *window, gint x, gint y)
-{
- GdkRegion *old_region;
- GdkRegion *new_region;
- GdkWindow *parent = gdk_window_get_parent (window);
-
- old_region = get_window_region (window);
- gdk_window_move (window, x, y);
- new_region = get_window_region (window);
-
- gdk_region_subtract (old_region, new_region);
- gdk_window_invalidate_region (parent, old_region, TRUE);
- gdk_region_destroy (old_region);
- gdk_region_destroy (new_region);
-
- gdk_window_process_updates (parent, TRUE);
-}
+/**
+ * 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);
-static gboolean
-should_invert (GtkRange *range,
- gboolean horizontal)
-{
- if (horizontal)
- return
- (range->inverted && !range->flippable) ||
- (range->inverted && range->flippable && gtk_widget_get_direction (GTK_WIDGET (range)) == GTK_TEXT_DIR_LTR) ||
- (!range->inverted && range->flippable && gtk_widget_get_direction (GTK_WIDGET (range)) == GTK_TEXT_DIR_RTL);
- else
- return range->inverted;
+ 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_default_hslider_update (GtkRange *range)
+gtk_range_set_restrict_to_fill_level (GtkRange *range,
+ gboolean restrict_to_fill_level)
{
- gint left;
- gint right;
- gint x;
-
- g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_RANGE (range));
- if (GTK_WIDGET_REALIZED (range))
- {
- gtk_range_trough_hdims (range, &left, &right);
- x = left;
+ restrict_to_fill_level = restrict_to_fill_level ? TRUE : FALSE;
- if (range->adjustment->value < range->adjustment->lower)
- {
- range->adjustment->value = range->adjustment->lower;
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- }
- else if (range->adjustment->value > range->adjustment->upper)
- {
- range->adjustment->value = range->adjustment->upper;
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- }
+ 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");
- if (range->adjustment->lower != (range->adjustment->upper - range->adjustment->page_size))
- x += ((right - left) * (range->adjustment->value - range->adjustment->lower) /
- (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size));
+ gtk_range_set_value (range, gtk_range_get_value (range));
+ }
+}
- if (x < left)
- x = left;
- else if (x > right)
- x = right;
+/**
+ * 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);
- if (should_invert (range, TRUE))
- x = right - (x - left);
-
- move_and_update_window (range->slider, x, GTK_WIDGET (range)->style->ythickness);
- }
+ 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_default_vslider_update (GtkRange *range)
+gtk_range_set_fill_level (GtkRange *range,
+ gdouble fill_level)
{
- gint top;
- gint bottom;
- gint y;
-
- g_return_if_fail (range != NULL);
g_return_if_fail (GTK_IS_RANGE (range));
- if (GTK_WIDGET_REALIZED (range))
+ if (fill_level != range->layout->fill_level)
{
- gtk_range_trough_vdims (range, &top, &bottom);
- y = top;
-
- if (range->adjustment->value < range->adjustment->lower)
- {
- range->adjustment->value = range->adjustment->lower;
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- }
- else if (range->adjustment->value > range->adjustment->upper)
- {
- range->adjustment->value = range->adjustment->upper;
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- }
-
- if (range->adjustment->lower != (range->adjustment->upper - range->adjustment->page_size))
- y += ((bottom - top) * (range->adjustment->value - range->adjustment->lower) /
- (range->adjustment->upper - range->adjustment->lower - range->adjustment->page_size));
+ range->layout->fill_level = fill_level;
+ g_object_notify (G_OBJECT (range), "fill-level");
- if (y < top)
- y = top;
- else if (y > bottom)
- y = bottom;
+ if (range->layout->show_fill_level)
+ gtk_widget_queue_draw (GTK_WIDGET (range));
- if (should_invert (range, FALSE))
- y = bottom - (y - top);
-
- move_and_update_window (range->slider, GTK_WIDGET (range)->style->xthickness, y);
+ if (range->layout->restrict_to_fill_level)
+ gtk_range_set_value (range, gtk_range_get_value (range));
}
}
-gint
-gtk_range_default_htrough_click (GtkRange *range,
- gint x,
- gint y,
- gfloat *jump_perc)
+/**
+ * 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)
{
- gint ythickness;
- gint trough_width;
- gint trough_height;
- gint slider_x;
- gint slider_length;
- gint left, right;
+ g_return_val_if_fail (GTK_IS_RANGE (range), 0.0);
- g_return_val_if_fail (range != NULL, GTK_TROUGH_NONE);
- g_return_val_if_fail (GTK_IS_RANGE (range), GTK_TROUGH_NONE);
-
- ythickness = GTK_WIDGET (range)->style->ythickness;
+ return range->layout->fill_level;
+}
- gtk_range_trough_hdims (range, &left, &right);
- gdk_window_get_size (range->slider, &slider_length, NULL);
- right += slider_length;
+static gboolean
+should_invert (GtkRange *range)
+{
+ if (range->orientation == GTK_ORIENTATION_HORIZONTAL)
+ return
+ (range->inverted && !range->flippable) ||
+ (range->inverted && range->flippable && gtk_widget_get_direction (GTK_WIDGET (range)) == GTK_TEXT_DIR_LTR) ||
+ (!range->inverted && range->flippable && gtk_widget_get_direction (GTK_WIDGET (range)) == GTK_TEXT_DIR_RTL);
+ else
+ return range->inverted;
+}
- if (should_invert (range, TRUE))
- x = (right - x) + left;
+static void
+gtk_range_destroy (GtkObject *object)
+{
+ GtkRange *range = GTK_RANGE (object);
- if ((x > left) && (y > ythickness))
+ gtk_range_remove_step_timer (range);
+ gtk_range_remove_update_timer (range);
+
+ if (range->adjustment)
{
- gdk_window_get_size (range->trough, &trough_width, &trough_height);
-
- if ((x < right) && (y < (trough_height - ythickness)))
- {
- if (jump_perc)
- {
- *jump_perc = ((gdouble) (x - left)) / ((gdouble) (right - left));
- return GTK_TROUGH_JUMP;
- }
-
- gdk_window_get_position (range->slider, &slider_x, NULL);
-
- if (x < slider_x)
- return GTK_TROUGH_START;
- else
- return GTK_TROUGH_END;
- }
+ 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;
}
- return GTK_TROUGH_NONE;
+ (* GTK_OBJECT_CLASS (gtk_range_parent_class)->destroy) (object);
}
-gint
-gtk_range_default_vtrough_click (GtkRange *range,
- gint x,
- gint y,
- gfloat *jump_perc)
+static void
+gtk_range_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
{
- gint xthickness;
- gint trough_width;
- gint trough_height;
- gint slider_y;
- gint top, bottom;
- gint slider_length;
-
- g_return_val_if_fail (range != NULL, GTK_TROUGH_NONE);
- g_return_val_if_fail (GTK_IS_RANGE (range), GTK_TROUGH_NONE);
+ GtkRange *range;
+ 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,
+ &focus_width, &trough_border,
+ &stepper_spacing, NULL,
+ NULL, NULL);
+
+ gtk_range_calc_request (range,
+ 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;
+}
- xthickness = GTK_WIDGET (range)->style->xthickness;
+static void
+gtk_range_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkRange *range;
- gtk_range_trough_vdims (range, &top, &bottom);
- gdk_window_get_size (range->slider, NULL, &slider_length);
- bottom += slider_length;
+ range = GTK_RANGE (widget);
- if (should_invert (range, FALSE))
- y = (bottom - y) + top;
+ widget->allocation = *allocation;
- if ((x > xthickness) && (y > top))
- {
- gdk_window_get_size (range->trough, &trough_width, &trough_height);
-
- if ((x < (trough_width - xthickness) && (y < bottom)))
- {
- if (jump_perc)
- {
- *jump_perc = ((gdouble) (y - top)) / ((gdouble) (bottom - top));
-
- return GTK_TROUGH_JUMP;
- }
-
- gdk_window_get_position (range->slider, NULL, &slider_y);
-
- if (y < slider_y)
- return GTK_TROUGH_START;
- else
- return GTK_TROUGH_END;
- }
- }
+ range->need_recalc = TRUE;
+ gtk_range_calc_layout (range, range->adjustment->value);
- return GTK_TROUGH_NONE;
+ if (GTK_WIDGET_REALIZED (range))
+ gdk_window_move_resize (range->event_window,
+ widget->allocation.x,
+ widget->allocation.y,
+ widget->allocation.width,
+ widget->allocation.height);
}
-void
-gtk_range_default_hmotion (GtkRange *range,
- gint xdelta,
- gint ydelta)
+static void
+gtk_range_realize (GtkWidget *widget)
{
- gdouble old_value;
- gint left, right;
- gint slider_x, slider_y;
- gint new_pos;
-
- g_return_if_fail (GTK_IS_RANGE (range));
- g_return_if_fail (GTK_WIDGET_REALIZED (range));
+ GtkRange *range;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
- gdk_window_get_position (range->slider, &slider_x, &slider_y);
- gtk_range_trough_hdims (range, &left, &right);
+ range = GTK_RANGE (widget);
- if (left == right)
- return;
+ gtk_range_calc_layout (range, range->adjustment->value);
+
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
- new_pos = slider_x + xdelta;
+ widget->window = gtk_widget_get_parent_window (widget);
+ g_object_ref (widget->window);
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.x = widget->allocation.x;
+ attributes.y = widget->allocation.y;
+ attributes.width = widget->allocation.width;
+ attributes.height = widget->allocation.height;
+ attributes.wclass = GDK_INPUT_ONLY;
+ attributes.event_mask = gtk_widget_get_events (widget);
+ attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK);
+
+ attributes_mask = GDK_WA_X | GDK_WA_Y;
+
+ range->event_window = gdk_window_new (gtk_widget_get_parent_window (widget),
+ &attributes, attributes_mask);
+ gdk_window_set_user_data (range->event_window, range);
+
+ widget->style = gtk_style_attach (widget->style, widget->window);
+}
- if (should_invert (range, TRUE))
- new_pos = (right - new_pos) + left;
+static void
+gtk_range_unrealize (GtkWidget *widget)
+{
+ GtkRange *range = GTK_RANGE (widget);
- if (new_pos < left)
- new_pos = left;
- else if (new_pos > right)
- new_pos = right;
+ gtk_range_remove_step_timer (range);
+ gtk_range_remove_update_timer (range);
+
+ gdk_window_set_user_data (range->event_window, NULL);
+ gdk_window_destroy (range->event_window);
+ range->event_window = NULL;
+
+ if (GTK_WIDGET_CLASS (gtk_range_parent_class)->unrealize)
+ (* GTK_WIDGET_CLASS (gtk_range_parent_class)->unrealize) (widget);
+}
- old_value = range->adjustment->value;
- range->adjustment->value = ((range->adjustment->upper -
- range->adjustment->lower -
- range->adjustment->page_size) *
- (new_pos - left) / (right - left) +
- range->adjustment->lower);
+static void
+gtk_range_map (GtkWidget *widget)
+{
+ GtkRange *range = GTK_RANGE (widget);
+
+ gdk_window_show (range->event_window);
- if (range->digits >= 0)
- {
- char buffer[64];
+ GTK_WIDGET_CLASS (gtk_range_parent_class)->map (widget);
+}
- sprintf (buffer, "%0.*f", range->digits, range->adjustment->value);
- sscanf (buffer, "%f", &range->adjustment->value);
- }
+static void
+gtk_range_unmap (GtkWidget *widget)
+{
+ GtkRange *range = GTK_RANGE (widget);
+
+ stop_scrolling (range);
- if (old_value != range->adjustment->value)
- {
- if (range->policy == GTK_UPDATE_CONTINUOUS)
- {
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- }
- else
- {
- gtk_range_slider_update (range);
- gtk_range_clear_background (range);
+ gdk_window_hide (range->event_window);
- if (range->policy == GTK_UPDATE_DELAYED)
- {
- gtk_range_remove_timer (range);
- range->timer = gtk_timeout_add (SCROLL_DELAY_LENGTH,
- (GtkFunction) RANGE_CLASS (range)->timer,
- (gpointer) range);
- }
- }
- }
+ GTK_WIDGET_CLASS (gtk_range_parent_class)->unmap (widget);
}
-void
-gtk_range_default_vmotion (GtkRange *range,
- gint xdelta,
- gint ydelta)
+static void
+draw_stepper (GtkRange *range,
+ GdkRectangle *rect,
+ GtkArrowType arrow_type,
+ gboolean clicked,
+ gboolean prelighted,
+ GdkRectangle *area)
{
- gdouble old_value;
- gint top, bottom;
- gint slider_x, slider_y;
- gint new_pos;
-
- g_return_if_fail (GTK_IS_RANGE (range));
- g_return_if_fail (GTK_WIDGET_REALIZED (range));
+ GtkStateType state_type;
+ GtkShadowType shadow_type;
+ GdkRectangle intersection;
+ GtkWidget *widget = GTK_WIDGET (range);
- range = GTK_RANGE (range);
+ gint arrow_x;
+ gint arrow_y;
+ gint arrow_width;
+ gint arrow_height;
- gdk_window_get_position (range->slider, &slider_x, &slider_y);
- gtk_range_trough_vdims (range, &top, &bottom);
+ gboolean arrow_sensitive = TRUE;
- if (bottom == top)
+ /* More to get the right clip region than for efficiency */
+ if (!gdk_rectangle_intersect (area, rect, &intersection))
return;
- new_pos = slider_y + ydelta;
+ intersection.x += widget->allocation.x;
+ intersection.y += widget->allocation.y;
- if (should_invert (range, FALSE))
- new_pos = (bottom - new_pos) + top;
-
- if (new_pos < top)
- new_pos = top;
- else if (new_pos > bottom)
- new_pos = bottom;
-
- old_value = range->adjustment->value;
- range->adjustment->value = ((range->adjustment->upper -
- range->adjustment->lower -
- range->adjustment->page_size) *
- (new_pos - top) / (bottom - top) +
- range->adjustment->lower);
-
- if (range->digits >= 0)
+ 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)))
{
- char buffer[64];
-
- sprintf (buffer, "%0.*f", range->digits, range->adjustment->value);
- sscanf (buffer, "%f", &range->adjustment->value);
+ arrow_sensitive = range->layout->upper_sensitive;
+ }
+ else
+ {
+ arrow_sensitive = range->layout->lower_sensitive;
}
- if (old_value != range->adjustment->value)
+ if (!GTK_WIDGET_IS_SENSITIVE (range) || !arrow_sensitive)
+ state_type = GTK_STATE_INSENSITIVE;
+ else if (clicked)
+ state_type = GTK_STATE_ACTIVE;
+ else if (prelighted)
+ state_type = GTK_STATE_PRELIGHT;
+ else
+ state_type = GTK_STATE_NORMAL;
+
+ 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)
{
- if (range->policy == GTK_UPDATE_CONTINUOUS)
- {
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- }
- else
- {
- gtk_range_slider_update (range);
- gtk_range_clear_background (range);
+ gint arrow_displacement_x;
+ gint arrow_displacement_y;
- if (range->policy == GTK_UPDATE_DELAYED)
- {
- gtk_range_remove_timer (range);
- range->timer = gtk_timeout_add (SCROLL_DELAY_LENGTH,
- (GtkFunction) RANGE_CLASS (range)->timer,
- (gpointer) range);
- }
- }
+ 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 (widget->style,
+ widget->window,
+ state_type, shadow_type,
+ &intersection, widget,
+ GTK_RANGE_GET_CLASS (range)->stepper_detail,
+ arrow_type,
+ TRUE,
+ arrow_x, arrow_y, arrow_width, arrow_height);
}
-
-static void
-gtk_range_destroy (GtkObject *object)
+static gint
+gtk_range_expose (GtkWidget *widget,
+ GdkEventExpose *event)
{
GtkRange *range;
+ gboolean sensitive;
+ GtkStateType state;
+ GtkShadowType shadow_type;
+ GdkRectangle expose_area; /* Relative to widget->allocation */
+ GdkRectangle area;
+ gint focus_line_width = 0;
+ gint focus_padding = 0;
+ gboolean touchscreen;
+
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-touchscreen-mode", &touchscreen,
+ NULL);
- g_return_if_fail (object != NULL);
- g_return_if_fail (GTK_IS_RANGE (object));
+ range = GTK_RANGE (widget);
- range = GTK_RANGE (object);
+ 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;
+
+ gtk_range_calc_layout (range, range->adjustment->value);
- gtk_range_remove_timer (range);
- if (range->adjustment)
+ sensitive = GTK_WIDGET_IS_SENSITIVE (widget);
+
+ /* Just to be confusing, we draw the trough for the whole
+ * range rectangle, not the trough rectangle (the trough
+ * rectangle is just for hit detection)
+ */
+ /* The gdk_rectangle_intersect is more to get the right
+ * clip region (limited to range_rect) than for efficiency
+ */
+ if (gdk_rectangle_intersect (&expose_area, &range->range_rect,
+ &area))
{
- if (range->adjustment)
- gtk_signal_disconnect_by_data (GTK_OBJECT (range->adjustment),
- (gpointer) range);
- gtk_object_unref (GTK_OBJECT (range->adjustment));
- range->adjustment = NULL;
+ 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_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),
+ &area, widget, "trough",
+ widget->allocation.x + range->range_rect.x,
+ widget->allocation.y + range->range_rect.y,
+ range->range_rect.width,
+ range->range_rect.height);
+ }
+
+ shadow_type = GTK_SHADOW_OUT;
+
+ if (!sensitive)
+ state = GTK_STATE_INSENSITIVE;
+ 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;
+ }
}
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+ if (gdk_rectangle_intersect (&expose_area,
+ &range->layout->slider,
+ &area))
+ {
+ area.x += widget->allocation.x;
+ area.y += widget->allocation.y;
+
+ gtk_paint_slider (widget->style,
+ widget->window,
+ state,
+ shadow_type,
+ &area,
+ widget,
+ GTK_RANGE_GET_CLASS (range)->slider_detail,
+ widget->allocation.x + range->layout->slider.x,
+ widget->allocation.y + range->layout->slider.y,
+ range->layout->slider.width,
+ range->layout->slider.height,
+ range->orientation);
+ }
+
+ if (range->has_stepper_a)
+ 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,
+ !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,
+ !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,
+ !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,
+ !touchscreen && range->layout->mouse_location == MOUSE_STEPPER_D,
+ &expose_area);
+
+ return FALSE;
}
static void
-gtk_range_draw_focus (GtkWidget *widget)
+range_grab_add (GtkRange *range,
+ MouseLocation location,
+ gint button)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_RANGE (widget));
+ /* we don't actually gtk_grab, since a button is down */
- if (GTK_WIDGET_DRAWABLE (widget))
- gtk_range_draw_trough (GTK_RANGE (widget));
+ gtk_grab_add (GTK_WIDGET (range));
+
+ range->layout->grab_location = location;
+ range->layout->grab_button = button;
+
+ if (gtk_range_update_mouse_location (range))
+ gtk_widget_queue_draw (GTK_WIDGET (range));
}
static void
-gtk_range_unrealize (GtkWidget *widget)
+range_grab_remove (GtkRange *range)
{
- GtkRange *range;
+ gtk_grab_remove (GTK_WIDGET (range));
+
+ range->layout->grab_location = MOUSE_OUTSIDE;
+ range->layout->grab_button = 0;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_RANGE (widget));
+ if (gtk_range_update_mouse_location (range))
+ gtk_widget_queue_draw (GTK_WIDGET (range));
+}
- range = GTK_RANGE (widget);
+static GtkScrollType
+range_get_scroll_for_grab (GtkRange *range)
+{
+ gboolean invert;
- if (range->slider)
+ invert = should_invert (range);
+ switch (range->layout->grab_location)
{
- gdk_window_set_user_data (range->slider, NULL);
- gdk_window_destroy (range->slider);
- range->slider = NULL;
+ /* Backward stepper */
+ case MOUSE_STEPPER_A:
+ case MOUSE_STEPPER_C:
+ switch (range->layout->grab_button)
+ {
+ case 1:
+ return invert ? GTK_SCROLL_STEP_FORWARD : GTK_SCROLL_STEP_BACKWARD;
+ break;
+ case 2:
+ return invert ? GTK_SCROLL_PAGE_FORWARD : GTK_SCROLL_PAGE_BACKWARD;
+ break;
+ case 3:
+ return invert ? GTK_SCROLL_END : GTK_SCROLL_START;
+ break;
+ }
+ break;
+
+ /* Forward stepper */
+ case MOUSE_STEPPER_B:
+ case MOUSE_STEPPER_D:
+ switch (range->layout->grab_button)
+ {
+ case 1:
+ return invert ? GTK_SCROLL_STEP_BACKWARD : GTK_SCROLL_STEP_FORWARD;
+ break;
+ case 2:
+ return invert ? GTK_SCROLL_PAGE_BACKWARD : GTK_SCROLL_PAGE_FORWARD;
+ break;
+ case 3:
+ return invert ? GTK_SCROLL_START : GTK_SCROLL_END;
+ break;
+ }
+ break;
+
+ /* In the trough */
+ case MOUSE_TROUGH:
+ {
+ if (range->trough_click_forward)
+ return GTK_SCROLL_PAGE_FORWARD;
+ else
+ return GTK_SCROLL_PAGE_BACKWARD;
+ }
+ break;
+
+ case MOUSE_OUTSIDE:
+ case MOUSE_SLIDER:
+ case MOUSE_WIDGET:
+ break;
}
- if (range->trough)
+
+ return GTK_SCROLL_NONE;
+}
+
+static gdouble
+coord_to_value (GtkRange *range,
+ gint coord)
+{
+ 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)
{
- gdk_window_set_user_data (range->trough, NULL);
- gdk_window_destroy (range->trough);
- range->trough = NULL;
+ trough_length = range->layout->trough.height;
+ trough_start = range->layout->trough.y;
+ slider_length = range->layout->slider.height;
}
- if (range->step_forw)
+ else
{
- gdk_window_set_user_data (range->step_forw, NULL);
- gdk_window_destroy (range->step_forw);
- range->step_forw = NULL;
+ trough_length = range->layout->trough.width;
+ trough_start = range->layout->trough.x;
+ slider_length = range->layout->slider.width;
}
- if (range->step_back)
+
+ gtk_range_get_props (range, NULL, NULL, NULL, &trough_border, NULL,
+ &trough_under_steppers, NULL, NULL);
+
+ if (! trough_under_steppers)
{
- gdk_window_set_user_data (range->step_back, NULL);
- gdk_window_destroy (range->step_back);
- range->step_back = NULL;
+ trough_start += trough_border;
+ trough_length -= 2 * trough_border;
}
- if (GTK_WIDGET_CLASS (parent_class)->unrealize)
- (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+ if (trough_length == slider_length)
+ frac = 1.0;
+ else
+ 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);
+
+ return value;
}
-static gint
-gtk_range_expose (GtkWidget *widget,
- GdkEventExpose *event)
+static gboolean
+gtk_range_key_press (GtkWidget *widget,
+ GdkEventKey *event)
{
- GtkRange *range;
+ GtkRange *range = GTK_RANGE (widget);
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ if (event->keyval == GDK_Escape &&
+ range->layout->grab_location != MOUSE_OUTSIDE)
+ {
+ stop_scrolling (range);
- range = GTK_RANGE (widget);
+ update_slider_position (range,
+ range->slide_initial_coordinate,
+ range->slide_initial_coordinate);
- /* We should really pass another argument -
- *the redrawn area - to all the drawing functions)
- */
- if (event->window == range->trough)
- {
- gtk_range_draw_trough (range);
- }
- else if (event->window == widget->window)
- {
- gtk_range_draw_background (range);
- }
- else if (event->window == range->slider)
- {
- gtk_range_draw_slider (range);
- }
- else if (event->window == range->step_forw)
- {
- gtk_range_draw_step_forw (range);
- }
- else if (event->window == range->step_back)
- {
- gtk_range_draw_step_back (range);
+ return TRUE;
}
- return FALSE;
+
+ 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;
- gint trough_part;
- gfloat jump_perc;
-
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
+ GtkRange *range = GTK_RANGE (widget);
+
if (!GTK_WIDGET_HAS_FOCUS (widget))
gtk_widget_grab_focus (widget);
- jump_perc = -1;
- range = GTK_RANGE (widget);
- if (range->button == 0)
+ /* ignore presses when we're already doing something else. */
+ if (range->layout->grab_location != MOUSE_OUTSIDE)
+ return FALSE;
+
+ range->layout->mouse_x = event->x;
+ range->layout->mouse_y = event->y;
+ if (gtk_range_update_mouse_location (range))
+ gtk_widget_queue_draw (widget);
+
+ if (range->layout->mouse_location == MOUSE_TROUGH &&
+ event->button == 1)
{
- gtk_grab_add (widget);
+ /* button 1 steps by page increment, as with button 2 on a stepper
+ */
+ GtkScrollType scroll;
+ gdouble click_value;
+
+ click_value = coord_to_value (range,
+ range->orientation == GTK_ORIENTATION_VERTICAL ?
+ event->y : event->x);
+
+ range->trough_click_forward = click_value > range->adjustment->value;
+ range_grab_add (range, MOUSE_TROUGH, event->button);
+
+ scroll = range_get_scroll_for_grab (range);
+
+ gtk_range_add_step_timer (range, scroll);
- range->button = event->button;
- range->x_click_point = event->x;
- range->y_click_point = event->y;
+ return TRUE;
+ }
+ else if ((range->layout->mouse_location == MOUSE_STEPPER_A ||
+ range->layout->mouse_location == MOUSE_STEPPER_B ||
+ range->layout->mouse_location == MOUSE_STEPPER_C ||
+ range->layout->mouse_location == MOUSE_STEPPER_D) &&
+ (event->button == 1 || event->button == 2 || event->button == 3))
+ {
+ GdkRectangle *stepper_area;
+ GtkScrollType scroll;
+
+ range_grab_add (range, range->layout->mouse_location, event->button);
- if (event->window == range->trough)
- {
- range->click_child = RANGE_CLASS (range)->trough;
-
- if (range->button == 2)
- trough_part = gtk_range_trough_click (range, event->x, event->y, &jump_perc);
- else
- trough_part = gtk_range_trough_click (range, event->x, event->y, NULL);
-
- range->scroll_type = GTK_SCROLL_NONE;
- if (trough_part == GTK_TROUGH_START)
- range->scroll_type = GTK_SCROLL_PAGE_BACKWARD;
- else if (trough_part == GTK_TROUGH_END)
- range->scroll_type = GTK_SCROLL_PAGE_FORWARD;
- else if (trough_part == GTK_TROUGH_JUMP &&
- jump_perc >= 0 && jump_perc <= 1)
- range->scroll_type = GTK_SCROLL_JUMP;
-
- if (range->scroll_type != GTK_SCROLL_NONE)
- {
- gtk_range_scroll (range, jump_perc);
- gtk_range_add_timer (range);
- }
- }
- else if (event->window == range->slider)
- {
- range->click_child = RANGE_CLASS (range)->slider;
- range->scroll_type = GTK_SCROLL_NONE;
- }
- else if (event->window == range->step_forw ||
- event->window == range->step_back)
- {
- gboolean back = (event->window == range->step_back);
-
- if (range->button == 3)
- {
- range->scroll_type = GTK_SCROLL_JUMP;
- gtk_range_scroll (range, back ? 0.0 : 1.0);
- }
- else
- {
- range->click_child =
- back ? RANGE_CLASS (range)->step_back
- : RANGE_CLASS (range)->step_forw;
-
- if (range->button == 2)
- range->scroll_type =
- back ? GTK_SCROLL_PAGE_BACKWARD : GTK_SCROLL_PAGE_FORWARD;
- else
- range->scroll_type =
- back ? GTK_SCROLL_STEP_BACKWARD : GTK_SCROLL_STEP_FORWARD;
-
- gtk_range_scroll (range, -1);
- gtk_range_add_timer (range);
-
- if (back)
- gtk_range_draw_step_back (range);
- else
- gtk_range_draw_step_forw (range);
- }
- }
+ stepper_area = get_area (range, range->layout->mouse_location);
+ gtk_widget_queue_draw_area (widget,
+ widget->allocation.x + stepper_area->x,
+ widget->allocation.y + stepper_area->y,
+ stepper_area->width,
+ stepper_area->height);
+
+ scroll = range_get_scroll_for_grab (range);
+ if (scroll != GTK_SCROLL_NONE)
+ gtk_range_add_step_timer (range, scroll);
+
+ return TRUE;
}
+ else if ((range->layout->mouse_location == MOUSE_TROUGH &&
+ event->button == 2) ||
+ range->layout->mouse_location == MOUSE_SLIDER)
+ {
+ gboolean need_value_update = FALSE;
+ gboolean activate_slider;
- return TRUE;
+ /* Any button can be used to drag the slider, but you can start
+ * dragging the slider with a trough click using button 2;
+ * On button 2 press, we warp the slider to mouse position,
+ * then begin the slider drag.
+ */
+ if (event->button == 2)
+ {
+ gdouble slider_low_value, slider_high_value, new_value;
+
+ slider_high_value =
+ coord_to_value (range,
+ range->orientation == GTK_ORIENTATION_VERTICAL ?
+ event->y : event->x);
+ slider_low_value =
+ coord_to_value (range,
+ range->orientation == GTK_ORIENTATION_VERTICAL ?
+ event->y - range->layout->slider.height :
+ event->x - range->layout->slider.width);
+
+ /* compute new value for warped slider */
+ new_value = slider_low_value + (slider_high_value - slider_low_value) / 2;
+
+ /* recalc slider, so we can set slide_initial_slider_position
+ * properly
+ */
+ range->need_recalc = TRUE;
+ gtk_range_calc_layout (range, new_value);
+
+ /* defer adjustment updates to update_slider_position() in order
+ * to keep pixel quantisation
+ */
+ need_value_update = TRUE;
+ }
+
+ if (range->orientation == GTK_ORIENTATION_VERTICAL)
+ {
+ range->slide_initial_slider_position = range->layout->slider.y;
+ range->slide_initial_coordinate = event->y;
+ }
+ else
+ {
+ range->slide_initial_slider_position = range->layout->slider.x;
+ 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);
+
+ return TRUE;
+ }
+
+ return FALSE;
}
-static gint
-gtk_range_button_release (GtkWidget *widget,
- GdkEventButton *event)
+/* During a slide, move the slider as required given new mouse position */
+static void
+update_slider_position (GtkRange *range,
+ gint mouse_x,
+ gint mouse_y)
{
- GtkRange *range;
+ gint delta;
+ gint c;
+ gdouble new_value;
+ gboolean handled;
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ if (range->orientation == GTK_ORIENTATION_VERTICAL)
+ delta = mouse_y - range->slide_initial_coordinate;
+ else
+ delta = mouse_x - range->slide_initial_coordinate;
- range = GTK_RANGE (widget);
+ c = range->slide_initial_slider_position + delta;
- if (range->button == event->button)
- {
- gtk_grab_remove (widget);
+ new_value = coord_to_value (range, c);
+
+ g_signal_emit (range, signals[CHANGE_VALUE], 0, GTK_SCROLL_JUMP, new_value,
+ &handled);
+}
- range->button = 0;
- range->x_click_point = -1;
- range->y_click_point = -1;
+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));
+}
- if (range->click_child == RANGE_CLASS (range)->slider)
- {
- if (range->policy == GTK_UPDATE_DELAYED)
- gtk_range_remove_timer (range);
+static gboolean
+gtk_range_grab_broken (GtkWidget *widget,
+ GdkEventGrabBroken *event)
+{
+ GtkRange *range = GTK_RANGE (widget);
- if ((range->policy != GTK_UPDATE_CONTINUOUS) &&
- (range->old_value != range->adjustment->value))
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- }
- else if ((range->click_child == RANGE_CLASS (range)->trough) ||
- (range->click_child == RANGE_CLASS (range)->step_forw) ||
- (range->click_child == RANGE_CLASS (range)->step_back))
- {
- gtk_range_remove_timer (range);
+ 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;
+}
- if ((range->policy != GTK_UPDATE_CONTINUOUS) &&
- (range->old_value != range->adjustment->value))
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
+static gint
+gtk_range_button_release (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ GtkRange *range = GTK_RANGE (widget);
- if (range->click_child == RANGE_CLASS (range)->step_forw)
- {
- range->click_child = 0;
- gtk_range_draw_step_forw (range);
- }
- else if (range->click_child == RANGE_CLASS (range)->step_back)
- {
- range->click_child = 0;
- gtk_range_draw_step_back (range);
- }
- }
+ 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)
+ {
+ if (range->layout->grab_location == MOUSE_SLIDER)
+ update_slider_position (range, range->layout->mouse_x, range->layout->mouse_y);
- range->click_child = 0;
+ stop_scrolling (range);
+
+ return TRUE;
}
- 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;
- gfloat new_value = adj->value + ((event->direction == GDK_SCROLL_UP) ?
- -adj->page_increment / 2:
- adj->page_increment / 2);
- new_value = CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
- gtk_adjustment_set_value (adj, new_value);
+ gdouble delta;
+ gboolean handled;
+
+ 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 DISCONTINUOUS
+ */
+ if (range->update_policy == GTK_UPDATE_DISCONTINUOUS)
+ gtk_range_update_value (range);
}
return TRUE;
GdkEventMotion *event)
{
GtkRange *range;
-
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ gint x, y;
range = GTK_RANGE (widget);
- if (range->click_child == RANGE_CLASS (range)->slider)
- {
- GdkModifierType mods;
- gint x, y, mask, x2, y2;
+ gdk_window_get_pointer (range->event_window, &x, &y, NULL);
+
+ range->layout->mouse_x = x;
+ range->layout->mouse_y = y;
- gdk_window_get_pointer (range->trough, &x, &y, &mods);
- gdk_window_get_position (range->slider, &x2, &y2);
+ if (gtk_range_update_mouse_location (range))
+ gtk_widget_queue_draw (widget);
- x -= x2;
- y -= y2;
+ if (range->layout->grab_location == MOUSE_SLIDER)
+ update_slider_position (range, x, y);
- switch (range->button)
- {
- case 1:
- mask = GDK_BUTTON1_MASK;
- break;
- case 2:
- mask = GDK_BUTTON2_MASK;
- break;
- case 3:
- mask = GDK_BUTTON3_MASK;
- break;
- default:
- mask = 0;
- break;
- }
+ /* We handled the event if the mouse was in the range_rect */
+ return range->layout->mouse_location != MOUSE_OUTSIDE;
+}
- if (mods & mask)
- {
- if (RANGE_CLASS (range)->motion)
- (* RANGE_CLASS (range)->motion) (range, x - range->x_click_point, y - range->y_click_point);
- }
- }
+static gint
+gtk_range_enter_notify (GtkWidget *widget,
+ GdkEventCrossing *event)
+{
+ GtkRange *range = GTK_RANGE (widget);
+
+ range->layout->mouse_x = event->x;
+ range->layout->mouse_y = event->y;
+ if (gtk_range_update_mouse_location (range))
+ gtk_widget_queue_draw (widget);
+
return TRUE;
}
static gint
-gtk_range_key_press (GtkWidget *widget,
- GdkEventKey *event)
+gtk_range_leave_notify (GtkWidget *widget,
+ GdkEventCrossing *event)
{
- GtkRange *range;
- gint return_val;
- GtkScrollType scroll = GTK_SCROLL_NONE;
- GtkTroughType pos = GTK_TROUGH_NONE;
+ GtkRange *range = GTK_RANGE (widget);
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ range->layout->mouse_x = -1;
+ range->layout->mouse_y = -1;
- range = GTK_RANGE (widget);
- return_val = FALSE;
+ if (gtk_range_update_mouse_location (range))
+ gtk_widget_queue_draw (widget);
- if (RANGE_CLASS (range)->trough_keys)
- return_val = (* RANGE_CLASS (range)->trough_keys) (range, event, &scroll, &pos);
+ return TRUE;
+}
- if (return_val)
- {
- if (scroll != GTK_SCROLL_NONE)
- {
- range->scroll_type = scroll;
+static void
+gtk_range_grab_notify (GtkWidget *widget,
+ gboolean was_grabbed)
+{
+ if (!was_grabbed)
+ stop_scrolling (GTK_RANGE (widget));
+}
- gtk_range_scroll (range, -1);
- if (range->old_value != range->adjustment->value)
- {
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- switch (range->scroll_type)
- {
- case GTK_SCROLL_STEP_LEFT:
- if (should_invert (range, TRUE))
- gtk_range_draw_step_forw (range);
- else
- gtk_range_draw_step_back (range);
- break;
-
- case GTK_SCROLL_STEP_UP:
- if (should_invert (range, FALSE))
- gtk_range_draw_step_forw (range);
- else
- gtk_range_draw_step_back (range);
- break;
-
- case GTK_SCROLL_STEP_RIGHT:
- if (should_invert (range, TRUE))
- gtk_range_draw_step_back (range);
- else
- gtk_range_draw_step_forw (range);
- break;
-
- case GTK_SCROLL_STEP_DOWN:
- if (should_invert (range, FALSE))
- gtk_range_draw_step_back (range);
- else
- gtk_range_draw_step_forw (range);
- break;
-
- case GTK_SCROLL_STEP_BACKWARD:
- gtk_range_draw_step_back (range);
- break;
-
- case GTK_SCROLL_STEP_FORWARD:
- gtk_range_draw_step_forw (range);
- break;
- }
- }
- }
- if (pos != GTK_TROUGH_NONE)
- {
- if (pos == GTK_TROUGH_START)
- range->adjustment->value = range->adjustment->lower;
- else if (pos == GTK_TROUGH_END)
- range->adjustment->value =
- range->adjustment->upper - range->adjustment->page_size;
+static void
+gtk_range_state_changed (GtkWidget *widget,
+ GtkStateType previous_state)
+{
+ if (!GTK_WIDGET_IS_SENSITIVE (widget))
+ stop_scrolling (GTK_RANGE (widget));
+}
- if (range->old_value != range->adjustment->value)
- {
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment),
- "value_changed");
+#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; \
+ }
- gtk_range_slider_update (range);
- gtk_range_clear_background (range);
- }
- }
- }
- return return_val;
+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 gint
-gtk_range_enter_notify (GtkWidget *widget,
- GdkEventCrossing *event)
+static void
+gtk_range_adjustment_changed (GtkAdjustment *adjustment,
+ gpointer data)
{
- GtkRange *range;
+ GtkRange *range = GTK_RANGE (data);
+ /* create a copy of the layout */
+ GtkRangeLayout layout = *range->layout;
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ range->need_recalc = TRUE;
+ 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
+ * in response to a change signal on that value; round_digits
+ * is therefore defined to be a filter on what the GtkRange
+ * can input into the adjustment, not a filter that the GtkRange
+ * will enforce on the adjustment.
+ */
+}
- range = GTK_RANGE (widget);
+static void
+gtk_range_adjustment_value_changed (GtkAdjustment *adjustment,
+ gpointer data)
+{
+ GtkRange *range = GTK_RANGE (data);
+ /* create a copy of the layout */
+ GtkRangeLayout layout = *range->layout;
- if (event->window == range->trough)
+ range->need_recalc = TRUE;
+ gtk_range_calc_layout (range, range->adjustment->value);
+
+ /* now check whether the layout changed */
+ if (layout_changed (range->layout, &layout))
{
- range->in_child = RANGE_CLASS (range)->trough;
+ 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);
}
- else if (event->window == range->slider)
- {
- range->in_child = RANGE_CLASS (range)->slider;
+
+ /* Note that we don't round off to range->round_digits here.
+ * that's because it's really broken to change a value
+ * in response to a change signal on that value; round_digits
+ * is therefore defined to be a filter on what the GtkRange
+ * can input into the adjustment, not a filter that the GtkRange
+ * will enforce on the adjustment.
+ */
- if ((range->click_child == 0) ||
- (range->click_child == RANGE_CLASS (range)->trough))
- gtk_range_draw_slider (range);
- }
- else if (event->window == range->step_forw)
- {
- range->in_child = RANGE_CLASS (range)->step_forw;
+ g_signal_emit (range, signals[VALUE_CHANGED], 0);
+}
- if ((range->click_child == 0) ||
- (range->click_child == RANGE_CLASS (range)->trough))
- gtk_range_draw_step_forw (range);
- }
- else if (event->window == range->step_back)
- {
- range->in_child = RANGE_CLASS (range)->step_back;
+static void
+gtk_range_style_set (GtkWidget *widget,
+ GtkStyle *previous_style)
+{
+ GtkRange *range = GTK_RANGE (widget);
- if ((range->click_child == 0) ||
- (range->click_child == RANGE_CLASS (range)->trough))
- gtk_range_draw_step_back (range);
- }
+ range->need_recalc = TRUE;
- return TRUE;
+ (* GTK_WIDGET_CLASS (gtk_range_parent_class)->style_set) (widget, previous_style);
}
-static gint
-gtk_range_leave_notify (GtkWidget *widget,
- GdkEventCrossing *event)
+static void
+step_back (GtkRange *range)
{
- GtkRange *range;
+ gdouble newval;
+ gboolean handled;
+
+ newval = range->adjustment->value - range->adjustment->step_increment;
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_STEP_BACKWARD, newval, &handled);
+}
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+static void
+step_forward (GtkRange *range)
+{
+ gdouble newval;
+ gboolean handled;
- range = GTK_RANGE (widget);
+ newval = range->adjustment->value + range->adjustment->step_increment;
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_STEP_FORWARD, newval, &handled);
+}
+
+
+static void
+page_back (GtkRange *range)
+{
+ gdouble newval;
+ gboolean handled;
- range->in_child = 0;
+ newval = range->adjustment->value - range->adjustment->page_increment;
+ g_signal_emit (range, signals[CHANGE_VALUE], 0,
+ GTK_SCROLL_PAGE_BACKWARD, newval, &handled);
+}
- if (event->window == range->trough)
+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;
+
+ newval = range->adjustment->upper - range->adjustment->page_size;
+ g_signal_emit (range, signals[CHANGE_VALUE], 0, GTK_SCROLL_END, newval,
+ &handled);
+}
+
+static void
+gtk_range_scroll (GtkRange *range,
+ GtkScrollType scroll)
+{
+ switch (scroll)
{
+ case GTK_SCROLL_STEP_LEFT:
+ if (should_invert (range))
+ step_forward (range);
+ else
+ step_back (range);
+ break;
+
+ case GTK_SCROLL_STEP_UP:
+ if (should_invert (range))
+ step_forward (range);
+ else
+ step_back (range);
+ break;
+
+ case GTK_SCROLL_STEP_RIGHT:
+ if (should_invert (range))
+ step_back (range);
+ else
+ step_forward (range);
+ break;
+
+ case GTK_SCROLL_STEP_DOWN:
+ if (should_invert (range))
+ step_back (range);
+ else
+ step_forward (range);
+ break;
+
+ case GTK_SCROLL_STEP_BACKWARD:
+ step_back (range);
+ break;
+
+ case GTK_SCROLL_STEP_FORWARD:
+ step_forward (range);
+ break;
+
+ case GTK_SCROLL_PAGE_LEFT:
+ if (should_invert (range))
+ page_forward (range);
+ else
+ page_back (range);
+ break;
+
+ case GTK_SCROLL_PAGE_UP:
+ if (should_invert (range))
+ page_forward (range);
+ else
+ page_back (range);
+ break;
+
+ case GTK_SCROLL_PAGE_RIGHT:
+ if (should_invert (range))
+ page_back (range);
+ else
+ page_forward (range);
+ break;
+
+ case GTK_SCROLL_PAGE_DOWN:
+ if (should_invert (range))
+ page_back (range);
+ else
+ page_forward (range);
+ break;
+
+ case GTK_SCROLL_PAGE_BACKWARD:
+ page_back (range);
+ break;
+
+ case GTK_SCROLL_PAGE_FORWARD:
+ page_forward (range);
+ break;
+
+ case GTK_SCROLL_START:
+ scroll_begin (range);
+ break;
+
+ case GTK_SCROLL_END:
+ scroll_end (range);
+ break;
+
+ case GTK_SCROLL_JUMP:
+ /* Used by CList, range doesn't use it. */
+ break;
+
+ case GTK_SCROLL_NONE:
+ break;
}
- else if (event->window == range->slider)
+}
+
+static void
+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)
{
- if ((range->click_child == 0) ||
- (range->click_child == RANGE_CLASS (range)->trough))
- gtk_range_draw_slider (range);
+ 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;
+ }
+ }
}
- else if (event->window == range->step_forw)
+
+ gtk_range_scroll (range, scroll);
+
+ /* Policy DELAYED makes sense with key events,
+ * but DISCONTINUOUS doesn't, so we update immediately
+ * for DISCONTINUOUS
+ */
+ if (range->update_policy == GTK_UPDATE_DISCONTINUOUS)
+ gtk_range_update_value (range);
+}
+
+static void
+gtk_range_get_props (GtkRange *range,
+ gint *slider_width,
+ gint *stepper_size,
+ gint *focus_width,
+ gint *trough_border,
+ 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_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,
+ "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))
{
- if ((range->click_child == 0) ||
- (range->click_child == RANGE_CLASS (range)->trough))
- gtk_range_draw_step_forw (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 if (event->window == range->step_back)
+ else
{
- if ((range->click_child == 0) ||
- (range->click_child == RANGE_CLASS (range)->trough))
- gtk_range_draw_step_back (range);
+ tmp_focus_width = 0;
}
+
+ if (slider_width)
+ *slider_width = tmp_slider_width;
- return TRUE;
-}
+ if (focus_width)
+ *focus_width = tmp_focus_width;
-static gint
-gtk_range_focus_in (GtkWidget *widget,
- GdkEventFocus *event)
-{
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ if (trough_border)
+ *trough_border = tmp_trough_border;
+
+ if (stepper_size)
+ *stepper_size = tmp_stepper_size;
+
+ if (stepper_spacing)
+ *stepper_spacing = tmp_stepper_spacing;
+
+ if (trough_under_steppers)
+ *trough_under_steppers = tmp_trough_under_steppers;
- GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
- gtk_widget_draw_focus (widget);
+ if (arrow_displacement_x)
+ *arrow_displacement_x = tmp_arrow_displacement_x;
- return TRUE;
+ if (arrow_displacement_y)
+ *arrow_displacement_y = tmp_arrow_displacement_y;
}
-static gint
-gtk_range_focus_out (GtkWidget *widget,
- GdkEventFocus *event)
+#define POINT_IN_RECT(xcoord, ycoord, rect) \
+ ((xcoord) >= (rect).x && \
+ (xcoord) < ((rect).x + (rect).width) && \
+ (ycoord) >= (rect).y && \
+ (ycoord) < ((rect).y + (rect).height))
+
+/* Update mouse location, return TRUE if it changes */
+static gboolean
+gtk_range_update_mouse_location (GtkRange *range)
{
- g_return_val_if_fail (GTK_IS_RANGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ gint x, y;
+ MouseLocation old;
+ GtkWidget *widget;
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
- gtk_widget_draw_focus (widget);
+ widget = GTK_WIDGET (range);
+
+ old = range->layout->mouse_location;
+
+ x = range->layout->mouse_x;
+ y = range->layout->mouse_y;
+
+ if (range->layout->grab_location != MOUSE_OUTSIDE)
+ range->layout->mouse_location = range->layout->grab_location;
+ else if (POINT_IN_RECT (x, y, range->layout->stepper_a))
+ range->layout->mouse_location = MOUSE_STEPPER_A;
+ else if (POINT_IN_RECT (x, y, range->layout->stepper_b))
+ range->layout->mouse_location = MOUSE_STEPPER_B;
+ else if (POINT_IN_RECT (x, y, range->layout->stepper_c))
+ range->layout->mouse_location = MOUSE_STEPPER_C;
+ else if (POINT_IN_RECT (x, y, range->layout->stepper_d))
+ range->layout->mouse_location = MOUSE_STEPPER_D;
+ else if (POINT_IN_RECT (x, y, range->layout->slider))
+ range->layout->mouse_location = MOUSE_SLIDER;
+ else if (POINT_IN_RECT (x, y, range->layout->trough))
+ range->layout->mouse_location = MOUSE_TROUGH;
+ else if (POINT_IN_RECT (x, y, widget->allocation))
+ range->layout->mouse_location = MOUSE_WIDGET;
+ else
+ range->layout->mouse_location = MOUSE_OUTSIDE;
- return TRUE;
+ return old != range->layout->mouse_location;
}
+/* Clamp rect, border inside widget->allocation, such that we prefer
+ * to take space from border not rect in all directions, and prefer to
+ * give space to border over rect in one direction.
+ */
static void
-gtk_real_range_draw_trough (GtkRange *range)
+clamp_dimensions (GtkWidget *widget,
+ GdkRectangle *rect,
+ GtkBorder *border,
+ gboolean border_expands_horizontally)
{
- g_return_if_fail (GTK_IS_RANGE (range));
+ gint extra, shortage;
+
+ g_return_if_fail (rect->x == 0);
+ g_return_if_fail (rect->y == 0);
+ g_return_if_fail (rect->width >= 0);
+ g_return_if_fail (rect->height >= 0);
- if (range->trough)
- {
- gtk_paint_box (GTK_WIDGET (range)->style, range->trough,
- GTK_STATE_ACTIVE, GTK_SHADOW_IN,
- NULL, GTK_WIDGET(range), "trough",
- 0, 0, -1, -1);
- if (GTK_WIDGET_HAS_FOCUS (range))
- gtk_paint_focus (GTK_WIDGET (range)->style,
- range->trough,
- NULL, GTK_WIDGET(range), "trough",
- 0, 0, -1, -1);
+ /* Width */
+
+ extra = widget->allocation.width - border->left - border->right - rect->width;
+ if (extra > 0)
+ {
+ if (border_expands_horizontally)
+ {
+ border->left += extra / 2;
+ border->right += extra / 2 + extra % 2;
+ }
+ else
+ {
+ rect->width += extra;
+ }
+ }
+
+ /* See if we can fit rect, if not kill the border */
+ shortage = rect->width - widget->allocation.width;
+ if (shortage > 0)
+ {
+ rect->width = widget->allocation.width;
+ /* lose the border */
+ border->left = 0;
+ border->right = 0;
+ }
+ else
+ {
+ /* See if we can fit rect with borders */
+ shortage = rect->width + border->left + border->right -
+ widget->allocation.width;
+ if (shortage > 0)
+ {
+ /* Shrink borders */
+ border->left -= shortage / 2;
+ border->right -= shortage / 2 + shortage % 2;
+ }
}
-}
-static void
-gtk_real_range_draw_slider (GtkRange *range)
-{
- GtkStateType state_type;
-
- g_return_if_fail (GTK_IS_RANGE (range));
-
- if (range->slider)
+ /* Height */
+
+ extra = widget->allocation.height - border->top - border->bottom - rect->height;
+ if (extra > 0)
{
- if ((range->in_child == RANGE_CLASS (range)->slider) ||
- (range->click_child == RANGE_CLASS (range)->slider))
- state_type = GTK_STATE_PRELIGHT;
+ if (border_expands_horizontally)
+ {
+ /* don't expand border vertically */
+ rect->height += extra;
+ }
else
- state_type = GTK_STATE_NORMAL;
- gtk_paint_box (GTK_WIDGET (range)->style, range->slider,
- state_type, GTK_SHADOW_OUT,
- NULL, GTK_WIDGET (range), "slider",
- 0, 0, -1, -1);
+ {
+ border->top += extra / 2;
+ border->bottom += extra / 2 + extra % 2;
+ }
+ }
+
+ /* See if we can fit rect, if not kill the border */
+ shortage = rect->height - widget->allocation.height;
+ if (shortage > 0)
+ {
+ rect->height = widget->allocation.height;
+ /* lose the border */
+ border->top = 0;
+ border->bottom = 0;
+ }
+ else
+ {
+ /* See if we can fit rect with borders */
+ shortage = rect->height + border->top + border->bottom -
+ widget->allocation.height;
+ if (shortage > 0)
+ {
+ /* Shrink borders */
+ border->top -= shortage / 2;
+ border->bottom -= shortage / 2 + shortage % 2;
+ }
}
}
-static gint
-gtk_real_range_timer (GtkRange *range)
+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)
{
- gint return_val;
+ gint slider_length;
+ gint n_steppers;
+ gint n_steppers_ab;
+ gint n_steppers_cd;
+
+ border->left = 0;
+ border->right = 0;
+ border->top = 0;
+ border->bottom = 0;
+
+ if (GTK_RANGE_GET_CLASS (range)->get_range_border)
+ (* GTK_RANGE_GET_CLASS (range)->get_range_border) (range, border);
+
+ n_steppers_ab = 0;
+ n_steppers_cd = 0;
+
+ if (range->has_stepper_a)
+ n_steppers_ab += 1;
+ if (range->has_stepper_b)
+ n_steppers_ab += 1;
+ if (range->has_stepper_c)
+ n_steppers_cd += 1;
+ if (range->has_stepper_d)
+ n_steppers_cd += 1;
+
+ n_steppers = n_steppers_ab + n_steppers_cd;
- GDK_THREADS_ENTER ();
+ slider_length = range->min_slider_size;
- return_val = TRUE;
- if (range->click_child == RANGE_CLASS (range)->slider)
+ range_rect->x = 0;
+ range_rect->y = 0;
+
+ /* We never expand to fill available space in the small dimension
+ * (i.e. vertical scrollbars are always a fixed width)
+ */
+ if (range->orientation == GTK_ORIENTATION_VERTICAL)
{
- if (range->policy == GTK_UPDATE_DELAYED)
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- return_val = FALSE;
+ 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
{
- GdkModifierType mods, mask;
+ 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 (!range->timer)
- {
- return_val = FALSE;
- if (range->need_timer)
- range->timer = gtk_timeout_add (SCROLL_TIMER_LENGTH,
- (GtkFunction) RANGE_CLASS (range)->timer,
- (gpointer) range);
- else
- {
- GDK_THREADS_LEAVE ();
- return FALSE;
- }
- range->need_timer = FALSE;
- }
+ if (n_steppers_ab > 0)
+ range_rect->width += stepper_spacing;
- switch (range->button)
- {
- case 1:
- mask = GDK_BUTTON1_MASK;
- break;
- case 2:
- mask = GDK_BUTTON2_MASK;
- break;
- case 3:
- mask = GDK_BUTTON3_MASK;
- break;
- default:
- mask = 0;
- break;
- }
+ if (n_steppers_cd > 0)
+ range_rect->width += stepper_spacing;
+ }
- gdk_window_get_pointer (range->slider, NULL, NULL, &mods);
+ if (n_steppers_p)
+ *n_steppers_p = n_steppers;
- if (mods & mask)
- return_val = gtk_range_scroll (range, -1);
- }
+ if (has_steppers_ab)
+ *has_steppers_ab = (n_steppers_ab > 0);
- GDK_THREADS_LEAVE ();
+ if (has_steppers_cd)
+ *has_steppers_cd = (n_steppers_cd > 0);
- return return_val;
+ if (slider_length_p)
+ *slider_length_p = slider_length;
}
-static gint
-gtk_range_scroll (GtkRange *range,
- gfloat jump_perc)
+static void
+gtk_range_calc_layout (GtkRange *range,
+ gdouble adjustment_value)
{
- gfloat new_value;
- gint return_val;
- GtkScrollType scroll_type;
+ 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;
- g_return_val_if_fail (GTK_IS_RANGE (range), FALSE);
-
- new_value = range->adjustment->value;
- return_val = TRUE;
+ if (!range->need_recalc)
+ return;
- /* Translate visual to logical */
+ /* If we have a too-small allocation, we prefer the steppers over
+ * the trough/slider, probably the steppers are a more useful
+ * feature in small spaces.
+ *
+ * Also, we prefer to draw the range itself rather than the border
+ * areas if there's a conflict, since the borders will be decoration
+ * not controls. Though this depends on subclasses cooperating by
+ * not drawing on range->range_rect.
+ */
- scroll_type = range->scroll_type;
- switch (scroll_type)
+ widget = GTK_WIDGET (range);
+ layout = range->layout;
+
+ gtk_range_get_props (range,
+ &slider_width, &stepper_size,
+ &focus_width, &trough_border,
+ &stepper_spacing, &trough_under_steppers,
+ NULL, NULL);
+
+ gtk_range_calc_request (range,
+ 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)
+ */
+ if (range->orientation == GTK_ORIENTATION_VERTICAL)
{
- case GTK_SCROLL_STEP_UP:
- if (should_invert (range, FALSE))
- scroll_type = GTK_SCROLL_STEP_FORWARD;
+ clamp_dimensions (widget, &range_rect, &border, TRUE);
+ }
+ else
+ {
+ clamp_dimensions (widget, &range_rect, &border, FALSE);
+ }
+
+ range_rect.x = border.left;
+ range_rect.y = border.top;
+
+ range->range_rect = range_rect;
+
+ if (range->orientation == GTK_ORIENTATION_VERTICAL)
+ {
+ gint stepper_width, stepper_height;
+
+ /* Steppers are the width of the range, and stepper_size in
+ * height, or if we don't have enough height, divided equally
+ * among available space.
+ */
+ 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 */
+
+ if (n_steppers == 0)
+ stepper_height = 0; /* avoid divide by n_steppers */
else
- scroll_type = GTK_SCROLL_STEP_BACKWARD;
- break;
+ stepper_height = MIN (stepper_size, (range_rect.height / n_steppers));
- case GTK_SCROLL_STEP_DOWN:
- if (should_invert (range, FALSE))
- scroll_type = GTK_SCROLL_STEP_BACKWARD;
+ /* Stepper A */
+
+ 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_a.width = stepper_width;
+ layout->stepper_a.height = stepper_height;
+ }
else
- scroll_type = GTK_SCROLL_STEP_FORWARD;
- break;
+ {
+ layout->stepper_a.width = 0;
+ layout->stepper_a.height = 0;
+ }
- case GTK_SCROLL_PAGE_UP:
- if (should_invert (range, FALSE))
- scroll_type = GTK_SCROLL_PAGE_FORWARD;
+ /* Stepper B */
+
+ layout->stepper_b.x = layout->stepper_a.x;
+ layout->stepper_b.y = layout->stepper_a.y + layout->stepper_a.height;
+
+ if (range->has_stepper_b)
+ {
+ layout->stepper_b.width = stepper_width;
+ layout->stepper_b.height = stepper_height;
+ }
else
- scroll_type = GTK_SCROLL_PAGE_BACKWARD;
- break;
+ {
+ layout->stepper_b.width = 0;
+ layout->stepper_b.height = 0;
+ }
+
+ /* Stepper D */
+
+ if (range->has_stepper_d)
+ {
+ layout->stepper_d.width = stepper_width;
+ layout->stepper_d.height = stepper_height;
+ }
+ else
+ {
+ layout->stepper_d.width = 0;
+ layout->stepper_d.height = 0;
+ }
+
+ layout->stepper_d.x = layout->stepper_a.x;
+ layout->stepper_d.y = range_rect.y + range_rect.height - layout->stepper_d.height - focus_width - trough_border * trough_under_steppers;
- case GTK_SCROLL_PAGE_DOWN:
- if (should_invert (range, FALSE))
- scroll_type = GTK_SCROLL_PAGE_BACKWARD;
+ /* Stepper C */
+
+ if (range->has_stepper_c)
+ {
+ layout->stepper_c.width = stepper_width;
+ layout->stepper_c.height = stepper_height;
+ }
else
- scroll_type = GTK_SCROLL_PAGE_FORWARD;
- break;
+ {
+ layout->stepper_c.width = 0;
+ layout->stepper_c.height = 0;
+ }
+
+ layout->stepper_c.x = layout->stepper_a.x;
+ layout->stepper_c.y = layout->stepper_d.y - layout->stepper_c.height;
- case GTK_SCROLL_STEP_LEFT:
- if (should_invert (range, TRUE))
- scroll_type = GTK_SCROLL_STEP_FORWARD;
+ /* Now the trough is the remaining space between steppers B and C,
+ * if any, minus spacing
+ */
+ layout->trough.x = range_rect.x;
+ 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->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 + 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;
+ 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
+ */
+
+ 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);
+
+ 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 = CLAMP (y, top, bottom);
+
+ if (should_invert (range))
+ y = bottom - (y - top + height);
+
+ layout->slider.y = y;
+ layout->slider.height = height;
+
+ /* These are publically exported */
+ range->slider_start = layout->slider.y;
+ range->slider_end = layout->slider.y + layout->slider.height;
+ }
+ }
+ else
+ {
+ gint stepper_width, stepper_height;
+
+ /* Steppers are the height of the range, and stepper_size in
+ * width, or if we don't have enough width, divided equally
+ * among available space.
+ */
+ 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 */
+
+ if (n_steppers == 0)
+ stepper_width = 0; /* avoid divide by n_steppers */
else
- scroll_type = GTK_SCROLL_STEP_BACKWARD;
- break;
+ stepper_width = MIN (stepper_size, (range_rect.width / n_steppers));
- case GTK_SCROLL_STEP_RIGHT:
- if (should_invert (range, TRUE))
- scroll_type = GTK_SCROLL_STEP_BACKWARD;
+ /* Stepper A */
+
+ 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_a.width = stepper_width;
+ layout->stepper_a.height = stepper_height;
+ }
else
- scroll_type = GTK_SCROLL_STEP_FORWARD;
- break;
+ {
+ layout->stepper_a.width = 0;
+ layout->stepper_a.height = 0;
+ }
- case GTK_SCROLL_PAGE_LEFT:
- if (should_invert (range, TRUE))
- scroll_type = GTK_SCROLL_PAGE_FORWARD;
+ /* Stepper B */
+
+ layout->stepper_b.x = layout->stepper_a.x + layout->stepper_a.width;
+ layout->stepper_b.y = layout->stepper_a.y;
+
+ if (range->has_stepper_b)
+ {
+ layout->stepper_b.width = stepper_width;
+ layout->stepper_b.height = stepper_height;
+ }
else
- scroll_type = GTK_SCROLL_PAGE_BACKWARD;
- break;
+ {
+ layout->stepper_b.width = 0;
+ layout->stepper_b.height = 0;
+ }
+
+ /* Stepper D */
+
+ if (range->has_stepper_d)
+ {
+ layout->stepper_d.width = stepper_width;
+ layout->stepper_d.height = stepper_height;
+ }
+ else
+ {
+ layout->stepper_d.width = 0;
+ layout->stepper_d.height = 0;
+ }
- case GTK_SCROLL_PAGE_RIGHT:
- if (should_invert (range, TRUE))
- scroll_type = GTK_SCROLL_PAGE_BACKWARD;
+ 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;
+
+
+ /* Stepper C */
+
+ if (range->has_stepper_c)
+ {
+ layout->stepper_c.width = stepper_width;
+ layout->stepper_c.height = stepper_height;
+ }
else
- scroll_type = GTK_SCROLL_PAGE_FORWARD;
- break;
+ {
+ layout->stepper_c.width = 0;
+ layout->stepper_c.height = 0;
+ }
+
+ layout->stepper_c.x = layout->stepper_d.x - layout->stepper_c.width;
+ layout->stepper_c.y = layout->stepper_a.y;
- default:
- break;
+ /* 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 + stepper_spacing * has_steppers_ab;
+ layout->trough.y = range_rect.y;
+
+ 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 + 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;
+ 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
+ */
+
+ 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);
+
+ x = left;
+
+ 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);
+
+ if (should_invert (range))
+ x = right - (x - left + width);
+
+ layout->slider.x = x;
+ layout->slider.width = width;
+
+ /* These are publically exported */
+ range->slider_start = layout->slider.x;
+ range->slider_end = layout->slider.x + layout->slider.width;
+ }
}
- switch (scroll_type)
+ gtk_range_update_mouse_location (range);
+
+ switch (range->layout->upper_sensitivity)
{
- case GTK_SCROLL_NONE:
- break;
-
- case GTK_SCROLL_JUMP:
- if (jump_perc >= 0 && jump_perc <= 1)
- {
- new_value = (range->adjustment->lower +
- (range->adjustment->upper - range->adjustment->page_size -
- range->adjustment->lower) * jump_perc);
- }
- break;
-
- case GTK_SCROLL_STEP_BACKWARD:
- new_value -= range->adjustment->step_increment;
- if (new_value <= range->adjustment->lower)
- {
- new_value = range->adjustment->lower;
- return_val = FALSE;
- range->timer = 0;
- }
+ case GTK_SENSITIVITY_AUTO:
+ range->layout->upper_sensitive =
+ (range->adjustment->value <
+ (range->adjustment->upper - range->adjustment->page_size));
break;
- case GTK_SCROLL_STEP_FORWARD:
- new_value += range->adjustment->step_increment;
- if (new_value >= (range->adjustment->upper - range->adjustment->page_size))
- {
- new_value = range->adjustment->upper - range->adjustment->page_size;
- return_val = FALSE;
- range->timer = 0;
- }
+ case GTK_SENSITIVITY_ON:
+ range->layout->upper_sensitive = TRUE;
break;
- case GTK_SCROLL_PAGE_BACKWARD:
- new_value -= range->adjustment->page_increment;
- if (new_value <= range->adjustment->lower)
- {
- new_value = range->adjustment->lower;
- return_val = FALSE;
- range->timer = 0;
- }
+ case GTK_SENSITIVITY_OFF:
+ range->layout->upper_sensitive = FALSE;
break;
+ }
- case GTK_SCROLL_PAGE_FORWARD:
- new_value += range->adjustment->page_increment;
- if (new_value >= (range->adjustment->upper - range->adjustment->page_size))
- {
- new_value = range->adjustment->upper - range->adjustment->page_size;
- return_val = FALSE;
- range->timer = 0;
- }
+ switch (range->layout->lower_sensitivity)
+ {
+ case GTK_SENSITIVITY_AUTO:
+ range->layout->lower_sensitive =
+ (range->adjustment->value > range->adjustment->lower);
break;
- case GTK_SCROLL_STEP_UP:
- case GTK_SCROLL_STEP_DOWN:
- case GTK_SCROLL_PAGE_UP:
- case GTK_SCROLL_PAGE_DOWN:
- case GTK_SCROLL_STEP_LEFT:
- case GTK_SCROLL_STEP_RIGHT:
- case GTK_SCROLL_PAGE_LEFT:
- case GTK_SCROLL_PAGE_RIGHT:
- g_assert_not_reached ();
+ case GTK_SENSITIVITY_ON:
+ range->layout->lower_sensitive = TRUE;
break;
+ case GTK_SENSITIVITY_OFF:
+ range->layout->lower_sensitive = FALSE;
+ break;
}
-
- if (new_value != range->adjustment->value)
- {
- range->adjustment->value = new_value;
-
- if ((range->policy == GTK_UPDATE_CONTINUOUS) ||
- (!return_val && (range->policy == GTK_UPDATE_DELAYED)))
- {
- gtk_signal_emit_by_name (GTK_OBJECT (range->adjustment), "value_changed");
- }
- else
- {
- gtk_range_slider_update (range);
- gtk_range_clear_background (range);
- }
- }
-
- return return_val;
}
-
-static void
-gtk_range_add_timer (GtkRange *range)
+static GdkRectangle*
+get_area (GtkRange *range,
+ MouseLocation location)
{
- g_return_if_fail (GTK_IS_RANGE (range));
-
- if (!range->timer)
+ switch (location)
{
- range->need_timer = TRUE;
- range->timer = gtk_timeout_add (SCROLL_INITIAL_DELAY,
- (GtkFunction) RANGE_CLASS (range)->timer,
- (gpointer) range);
+ case MOUSE_STEPPER_A:
+ return &range->layout->stepper_a;
+ case MOUSE_STEPPER_B:
+ return &range->layout->stepper_b;
+ case MOUSE_STEPPER_C:
+ return &range->layout->stepper_c;
+ case MOUSE_STEPPER_D:
+ return &range->layout->stepper_d;
+ case MOUSE_TROUGH:
+ return &range->layout->trough;
+ case MOUSE_SLIDER:
+ return &range->layout->slider;
+ case MOUSE_WIDGET:
+ case MOUSE_OUTSIDE:
+ break;
}
-}
-
-static void
-gtk_range_remove_timer (GtkRange *range)
-{
- g_return_if_fail (GTK_IS_RANGE (range));
- if (range->timer)
- {
- gtk_timeout_remove (range->timer);
- range->timer = 0;
- }
- range->need_timer = FALSE;
+ g_warning (G_STRLOC": bug");
+ return NULL;
}
-static void
-gtk_range_adjustment_changed (GtkAdjustment *adjustment,
- gpointer data)
+static gboolean
+gtk_range_real_change_value (GtkRange *range,
+ GtkScrollType scroll,
+ gdouble value)
{
- GtkRange *range;
+ /* potentially adjust the bounds _before we clamp */
+ g_signal_emit (range, signals[ADJUST_BOUNDS], 0, value);
- g_return_if_fail (adjustment != NULL);
- g_return_if_fail (data != NULL);
+ if (range->layout->restrict_to_fill_level)
+ value = MIN (value, MAX (range->adjustment->lower,
+ range->layout->fill_level));
- range = GTK_RANGE (data);
+ value = CLAMP (value, range->adjustment->lower,
+ (range->adjustment->upper - range->adjustment->page_size));
- if (((range->old_lower != adjustment->lower) ||
- (range->old_upper != adjustment->upper) ||
- (range->old_page_size != adjustment->page_size)) &&
- (range->old_value == adjustment->value))
+ if (range->round_digits >= 0)
{
- if ((adjustment->lower == adjustment->upper) ||
- (range->old_lower == (range->old_upper - range->old_page_size)))
- {
- adjustment->value = adjustment->lower;
- gtk_signal_emit_by_name (GTK_OBJECT (adjustment), "value_changed");
- }
- }
+ gdouble power;
+ gint i;
- if ((range->old_value != adjustment->value) ||
- (range->old_lower != adjustment->lower) ||
- (range->old_upper != adjustment->upper) ||
- (range->old_page_size != adjustment->page_size))
+ i = range->round_digits;
+ power = 1;
+ while (i--)
+ power *= 10;
+
+ value = floor ((value * power) + 0.5) / power;
+ }
+
+ if (range->adjustment->value != value)
{
- gtk_range_slider_update (range);
- gtk_range_clear_background (range);
+ range->need_recalc = TRUE;
- range->old_value = adjustment->value;
- range->old_lower = adjustment->lower;
- range->old_upper = adjustment->upper;
- range->old_page_size = adjustment->page_size;
+ gtk_widget_queue_draw (GTK_WIDGET (range));
+
+ switch (range->update_policy)
+ {
+ case GTK_UPDATE_CONTINUOUS:
+ gtk_adjustment_set_value (range->adjustment, value);
+ break;
+
+ /* Delayed means we update after a period of inactivity */
+ case GTK_UPDATE_DELAYED:
+ gtk_range_reset_update_timer (range);
+ /* FALL THRU */
+
+ /* Discontinuous means we update on button release */
+ case GTK_UPDATE_DISCONTINUOUS:
+ /* don't emit value_changed signal */
+ range->adjustment->value = value;
+ range->update_pending = TRUE;
+ break;
+ }
}
+ return FALSE;
}
static void
-gtk_range_adjustment_value_changed (GtkAdjustment *adjustment,
- gpointer data)
+gtk_range_update_value (GtkRange *range)
{
- GtkRange *range;
-
- g_return_if_fail (adjustment != NULL);
- g_return_if_fail (data != NULL);
-
- range = GTK_RANGE (data);
-
- if (range->old_value != adjustment->value)
+ gtk_range_remove_update_timer (range);
+
+ if (range->update_pending)
{
- gtk_range_slider_update (range);
- gtk_range_clear_background (range);
+ gtk_adjustment_value_changed (range->adjustment);
- range->old_value = adjustment->value;
+ range->update_pending = FALSE;
}
}
-
-static void
-gtk_range_trough_hdims (GtkRange *range,
- gint *left,
- gint *right)
+struct _GtkRangeStepTimer
{
- gint trough_width;
- gint slider_length;
- gint tmp_width;
- gint tleft;
- gint tright;
-
- g_return_if_fail (range != NULL);
+ guint timeout_id;
+ GtkScrollType step;
+};
- gdk_window_get_size (range->trough, &trough_width, NULL);
- gdk_window_get_size (range->slider, &slider_length, NULL);
+static gboolean
+second_timeout (gpointer data)
+{
+ GtkRange *range;
- tleft = GTK_WIDGET (range)->style->xthickness;
- tright = trough_width - slider_length - GTK_WIDGET (range)->style->xthickness;
+ range = GTK_RANGE (data);
+ gtk_range_scroll (range, range->timer->step);
+
+ return TRUE;
+}
- if (range->step_back)
- {
- gdk_window_get_size (range->step_back, &tmp_width, NULL);
- tleft += (tmp_width + RANGE_CLASS (range)->stepper_slider_spacing);
- }
+static gboolean
+initial_timeout (gpointer data)
+{
+ GtkRange *range;
+ GtkSettings *settings;
+ guint timeout;
- if (range->step_forw)
- {
- gdk_window_get_size (range->step_forw, &tmp_width, NULL);
- tright -= (tmp_width + RANGE_CLASS (range)->stepper_slider_spacing);
- }
+ settings = gtk_widget_get_settings (GTK_WIDGET (data));
+ g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL);
- if (left)
- *left = tleft;
- if (right)
- *right = tright;
+ range = GTK_RANGE (data);
+ range->timer->timeout_id = gdk_threads_add_timeout (timeout * SCROLL_DELAY_FACTOR,
+ second_timeout,
+ range);
+ /* remove self */
+ return FALSE;
}
static void
-gtk_range_trough_vdims (GtkRange *range,
- gint *top,
- gint *bottom)
+gtk_range_add_step_timer (GtkRange *range,
+ GtkScrollType step)
{
- gint trough_height;
- gint slider_length;
- gint tmp_height;
- gint ttop;
- gint tbottom;
+ GtkSettings *settings;
+ guint timeout;
- g_return_if_fail (range != NULL);
+ g_return_if_fail (range->timer == NULL);
+ g_return_if_fail (step != GTK_SCROLL_NONE);
- gdk_window_get_size (range->trough, NULL, &trough_height);
- gdk_window_get_size (range->slider, NULL, &slider_length);
+ settings = gtk_widget_get_settings (GTK_WIDGET (range));
+ g_object_get (settings, "gtk-timeout-initial", &timeout, NULL);
- ttop = GTK_WIDGET (range)->style->ythickness;
- tbottom = trough_height - slider_length - GTK_WIDGET (range)->style->ythickness;
+ range->timer = g_new (GtkRangeStepTimer, 1);
- if (range->step_back)
- {
- gdk_window_get_size (range->step_back, NULL, &tmp_height);
- ttop += (tmp_height + RANGE_CLASS (range)->stepper_slider_spacing);
- }
+ range->timer->timeout_id = gdk_threads_add_timeout (timeout,
+ initial_timeout,
+ range);
+ range->timer->step = step;
+
+ gtk_range_scroll (range, range->timer->step);
+}
- if (range->step_forw)
+static void
+gtk_range_remove_step_timer (GtkRange *range)
+{
+ if (range->timer)
{
- gdk_window_get_size (range->step_forw, NULL, &tmp_height);
- tbottom -= (tmp_height + RANGE_CLASS (range)->stepper_slider_spacing);
- }
+ if (range->timer->timeout_id != 0)
+ g_source_remove (range->timer->timeout_id);
- if (top)
- *top = ttop;
- if (bottom)
- *bottom = tbottom;
+ g_free (range->timer);
+
+ range->timer = NULL;
+ }
}
-static void
-gtk_range_style_set (GtkWidget *widget,
- GtkStyle *previous_style)
+static gboolean
+update_timeout (gpointer data)
{
GtkRange *range;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_RANGE (widget));
-
- range = GTK_RANGE (widget);
+ range = GTK_RANGE (data);
+ gtk_range_update_value (range);
+ range->update_timeout_id = 0;
- if (GTK_WIDGET_REALIZED (widget))
- {
- if (range->trough)
- gtk_style_set_background (widget->style, range->trough, GTK_STATE_ACTIVE);
+ /* self-remove */
+ return FALSE;
+}
- if (range->slider)
- gtk_style_set_background (widget->style, range->slider, GTK_STATE_NORMAL);
-
- /* The backgrounds of the step_forw and step_back never actually
- * get drawn in draw calls, so we call gdk_window_clear() here
- * so they get the correct colors. This is a hack. OWT.
- */
+static void
+gtk_range_reset_update_timer (GtkRange *range)
+{
+ gtk_range_remove_update_timer (range);
- if (range->step_forw)
- {
- gtk_style_set_background (widget->style, range->step_forw, GTK_STATE_ACTIVE);
- gdk_window_clear (range->step_forw);
- }
+ range->update_timeout_id = gdk_threads_add_timeout (UPDATE_DELAY,
+ update_timeout,
+ range);
+}
- if (range->step_back)
- {
- gtk_style_set_background (widget->style, range->step_back, GTK_STATE_ACTIVE);
- gdk_window_clear (range->step_back);
- }
+static void
+gtk_range_remove_update_timer (GtkRange *range)
+{
+ if (range->update_timeout_id != 0)
+ {
+ g_source_remove (range->update_timeout_id);
+ range->update_timeout_id = 0;
}
}
+
+#define __GTK_RANGE_C__
+#include "gtkaliasdef.c"
projects / ~andy / gtk / blobdiff