* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
- * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
#include <gtk/gtkwidget.h>
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+G_BEGIN_DECLS
#define GTK_TYPE_RANGE (gtk_range_get_type ())
-#define GTK_RANGE(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_RANGE, GtkRange))
-#define GTK_RANGE_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_RANGE, GtkRangeClass))
-#define GTK_IS_RANGE(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_RANGE))
-#define GTK_IS_RANGE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RANGE))
-#define GTK_RANGE_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_RANGE, GtkRangeClass))
+#define GTK_RANGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_RANGE, GtkRange))
+#define GTK_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_RANGE, GtkRangeClass))
+#define GTK_IS_RANGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_RANGE))
+#define GTK_IS_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RANGE))
+#define GTK_RANGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RANGE, GtkRangeClass))
+/* These two are private/opaque types, ignore */
+typedef struct _GtkRangeLayout GtkRangeLayout;
+typedef struct _GtkRangeStepTimer GtkRangeStepTimer;
typedef struct _GtkRange GtkRange;
typedef struct _GtkRangeClass GtkRangeClass;
{
GtkWidget widget;
- GdkWindow *trough;
- GdkWindow *slider;
- GdkWindow *step_forw;
- GdkWindow *step_back;
-
- gint16 x_click_point;
- gint16 y_click_point;
-
- guint8 button;
- gint8 digits;
- guint policy : 2;
- guint scroll_type : 3;
- guint in_child : 3;
- guint click_child : 3;
- guint need_timer : 1;
-
- guint32 timer;
-
- gfloat old_value;
- gfloat old_lower;
- gfloat old_upper;
- gfloat old_page_size;
-
GtkAdjustment *adjustment;
+ GtkUpdateType update_policy;
+ guint inverted : 1;
+
+ /*< protected >*/
+
+ guint flippable : 1;
+
+ /* Steppers are: < > ---- < >
+ * a b c d
+ */
+
+ guint has_stepper_a : 1;
+ guint has_stepper_b : 1;
+ guint has_stepper_c : 1;
+ guint has_stepper_d : 1;
+
+ guint need_recalc : 1;
+
+ guint slider_size_fixed : 1;
+
+ gint min_slider_size;
+
+ GtkOrientation orientation;
+
+ /* Area of entire stepper + trough assembly in widget->window coords */
+ GdkRectangle range_rect;
+ /* Slider range along the long dimension, in widget->window coords */
+ gint slider_start, slider_end;
+
+ /* Round off value to this many digits, -1 for no rounding */
+ gint round_digits;
+
+ /*< private >*/
+ guint trough_click_forward : 1; /* trough click was on the forward side of slider */
+ guint update_pending : 1; /* need to emit value_changed */
+ GtkRangeLayout *layout;
+ GtkRangeStepTimer *timer;
+ gint slide_initial_slider_position;
+ gint slide_initial_coordinate;
+ guint update_timeout_id;
+ GdkWindow *event_window;
};
struct _GtkRangeClass
{
GtkWidgetClass parent_class;
- gint slider_width;
- gint stepper_size;
- gint stepper_slider_spacing;
- gint min_slider_size;
-
- guint8 trough;
- guint8 slider;
- guint8 step_forw;
- guint8 step_back;
-
- void (* draw_background) (GtkRange *range);
- void (* clear_background) (GtkRange *range);
- void (* draw_trough) (GtkRange *range);
- void (* draw_slider) (GtkRange *range);
- void (* draw_step_forw) (GtkRange *range);
- void (* draw_step_back) (GtkRange *range);
- void (* slider_update) (GtkRange *range);
- gint (* trough_click) (GtkRange *range,
- gint x,
- gint y,
- gfloat *jump_perc);
- gint (* trough_keys) (GtkRange *range,
- GdkEventKey *key,
- GtkScrollType *scroll,
- GtkTroughType *trough);
- void (* motion) (GtkRange *range,
- gint xdelta,
- gint ydelta);
- gint (* timer) (GtkRange *range);
+ /* what detail to pass to GTK drawing functions */
+ gchar *slider_detail;
+ gchar *stepper_detail;
+
+ void (* value_changed) (GtkRange *range);
+ void (* adjust_bounds) (GtkRange *range,
+ gdouble new_value);
+
+ /* action signals for keybindings */
+ void (* move_slider) (GtkRange *range,
+ GtkScrollType scroll);
+
+ /* Virtual functions */
+ void (* get_range_border) (GtkRange *range,
+ GtkBorder *border_);
+
+ gboolean (* change_value) (GtkRange *range,
+ GtkScrollType scroll,
+ gdouble new_value);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
};
-GtkType gtk_range_get_type (void);
-GtkAdjustment* gtk_range_get_adjustment (GtkRange *range);
-void gtk_range_set_update_policy (GtkRange *range,
- GtkUpdateType policy);
-void gtk_range_set_adjustment (GtkRange *range,
- GtkAdjustment *adjustment);
-
-void gtk_range_draw_background (GtkRange *range);
-void gtk_range_clear_background (GtkRange *range);
-void gtk_range_draw_trough (GtkRange *range);
-void gtk_range_draw_slider (GtkRange *range);
-void gtk_range_draw_step_forw (GtkRange *range);
-void gtk_range_draw_step_back (GtkRange *range);
-void gtk_range_slider_update (GtkRange *range);
-gint gtk_range_trough_click (GtkRange *range,
- gint x,
- gint y,
- gfloat *jump_perc);
-
-void gtk_range_default_hslider_update (GtkRange *range);
-void gtk_range_default_vslider_update (GtkRange *range);
-gint gtk_range_default_htrough_click (GtkRange *range,
- gint x,
- gint y,
- gfloat *jump_perc);
-gint gtk_range_default_vtrough_click (GtkRange *range,
- gint x,
- gint y,
- gfloat *jump_perc);
-void gtk_range_default_hmotion (GtkRange *range,
- gint xdelta,
- gint ydelta);
-void gtk_range_default_vmotion (GtkRange *range,
- gint xdelta,
- gint ydelta);
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+GType gtk_range_get_type (void) G_GNUC_CONST;
+
+void gtk_range_set_update_policy (GtkRange *range,
+ GtkUpdateType policy);
+GtkUpdateType gtk_range_get_update_policy (GtkRange *range);
+
+void gtk_range_set_adjustment (GtkRange *range,
+ GtkAdjustment *adjustment);
+GtkAdjustment* gtk_range_get_adjustment (GtkRange *range);
+
+void gtk_range_set_inverted (GtkRange *range,
+ gboolean setting);
+gboolean gtk_range_get_inverted (GtkRange *range);
+
+void gtk_range_set_lower_stepper_sensitivity (GtkRange *range,
+ GtkSensitivityType sensitivity);
+GtkSensitivityType gtk_range_get_lower_stepper_sensitivity (GtkRange *range);
+void gtk_range_set_upper_stepper_sensitivity (GtkRange *range,
+ GtkSensitivityType sensitivity);
+GtkSensitivityType gtk_range_get_upper_stepper_sensitivity (GtkRange *range);
+
+void gtk_range_set_increments (GtkRange *range,
+ gdouble step,
+ gdouble page);
+void gtk_range_set_range (GtkRange *range,
+ gdouble min,
+ gdouble max);
+void gtk_range_set_value (GtkRange *range,
+ gdouble value);
+gdouble gtk_range_get_value (GtkRange *range);
+
+gdouble _gtk_range_get_wheel_delta (GtkRange *range,
+ GdkScrollDirection direction);
+
+
+G_END_DECLS
#endif /* __GTK_RANGE_H__ */
projects / ~andy / gtk / blobdiff