remove gtk ruler widget implementation - no longer in use

1 files changed, 0 insertions, 267 deletions

diff --git a/gtk2_ardour/gtk-custom-hruler.c b/gtk2_ardour/gtk-custom-hruler.c
deleted file mode 100644
index 5f17ffe583..0000000000
--- a/gtk2_ardour/gtk-custom-hruler.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/* GTK - The GIMP Toolkit
- * 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
- * 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.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-1999.  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/.
- */
-
-/* modified by andreas meyer <hexx3000@gmx.de> */
-/* subsequently specialized for audio time displays by paul davis <paul@linuxaudiosystems.com> */
-
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-#include "gtk-custom-hruler.h"
-
-#define RULER_HEIGHT          14
-#define MINIMUM_INCR          5
-#define MAXIMUM_SUBDIVIDE     5
-
-#define ROUND(x) ((int) ((x) + 0.5))
-
-static void gtk_custom_hruler_class_init (GtkCustomHRulerClass * klass);
-static void gtk_custom_hruler_init (GtkCustomHRuler * custom_hruler);
-static gint gtk_custom_hruler_motion_notify (GtkWidget * widget, GdkEventMotion * event);
-static void gtk_custom_hruler_draw_ticks (GtkCustomRuler * ruler);
-static void gtk_custom_hruler_draw_pos (GtkCustomRuler * ruler);
-
-GType gtk_custom_hruler_get_type (void)
-{
-	static GType hruler_type = 0;
-
-	if (!hruler_type) {
-		static const GTypeInfo hruler_info =
-			{
-				sizeof (GtkCustomHRulerClass),
-				NULL,		/* base_init */
-				NULL,		/* base_finalize */
-				(GClassInitFunc) gtk_custom_hruler_class_init,
-				NULL,		/* class_finalize */
-				NULL,		/* class_data */
-				sizeof (GtkCustomHRuler),
-				0,		/* n_preallocs */
-				(GInstanceInitFunc) gtk_custom_hruler_init,
-				NULL /* value_table */
-			};
-
-		hruler_type = g_type_register_static (gtk_custom_ruler_get_type(), "GtkCustomHRuler",
-						      &hruler_info, (GTypeFlags)0);
-	}
-
-	return hruler_type;
-}
-
-static void
-gtk_custom_hruler_class_init (GtkCustomHRulerClass * klass)
-{
-	GtkWidgetClass *widget_class;
-	GtkCustomRulerClass *ruler_class;
-
-	widget_class = (GtkWidgetClass *) klass;
-	ruler_class = (GtkCustomRulerClass *) klass;
-
-	widget_class->motion_notify_event = gtk_custom_hruler_motion_notify;
-
-	ruler_class->draw_ticks = gtk_custom_hruler_draw_ticks;
-	ruler_class->draw_pos = gtk_custom_hruler_draw_pos;
-}
-
-static void
-gtk_custom_hruler_init (GtkCustomHRuler * custom_hruler)
-{
-	GtkWidget *widget;
-
-	widget = GTK_WIDGET (custom_hruler);
-	widget->requisition.width = widget->style->xthickness * 2 + 1;
-	widget->requisition.height = widget->style->ythickness * 2 + RULER_HEIGHT;
-}
-
-
-GtkWidget *
-gtk_custom_hruler_new (void)
-{
-	return GTK_WIDGET (gtk_type_new (gtk_custom_hruler_get_type ()));
-}
-
-static gint
-gtk_custom_hruler_motion_notify (GtkWidget * widget, GdkEventMotion * event)
-{
-	GtkCustomRuler *ruler;
-	gint x;
-
-	g_return_val_if_fail (widget != NULL, FALSE);
-	g_return_val_if_fail (GTK_IS_CUSTOM_HRULER (widget), FALSE);
-	g_return_val_if_fail (event != NULL, FALSE);
-
-	ruler = GTK_CUSTOM_RULER (widget);
-
-	if (event->is_hint)
-		gdk_window_get_pointer (widget->window, &x, NULL, NULL);
-	else
-		x = event->x;
-
-	ruler->position = ruler->lower + ((ruler->upper - ruler->lower) * x) / widget->allocation.width;
-
-	/*  Make sure the ruler has been allocated already  */
-	if (ruler->backing_store != NULL)
-		gtk_custom_ruler_draw_pos (ruler);
-
-	return FALSE;
-}
-
-static void
-gtk_custom_hruler_draw_ticks (GtkCustomRuler * ruler)
-{
-	GtkWidget *widget;
-	GdkGC *gc;
-	gint i;
-	GtkCustomRulerMark *marks;
-	gint ythickness;
-	gint nmarks;
-	gint max_chars;
-	gint digit_offset;
-	PangoLayout *layout;
-	PangoRectangle logical_rect, ink_rect;
-
-	g_return_if_fail (ruler != NULL);
-	g_return_if_fail (GTK_IS_CUSTOM_HRULER (ruler));
-
-	if (!GTK_WIDGET_DRAWABLE (ruler))
-		return;
-
-	widget = GTK_WIDGET (ruler);
-
-	gc = widget->style->fg_gc[GTK_STATE_NORMAL];
-
-	layout = gtk_widget_create_pango_layout (widget, "012456789");
-	pango_layout_get_extents (layout, &ink_rect, &logical_rect);
-
-	digit_offset = ink_rect.y;
-
-	ythickness = widget->style->ythickness;
-
-	gtk_paint_box (widget->style, ruler->backing_store,
-		       GTK_STATE_NORMAL, GTK_SHADOW_NONE,
-		       NULL, widget, "custom_hruler", 0, 0, widget->allocation.width, widget->allocation.height);
-
-	gdk_draw_line (ruler->backing_store, gc, 0, widget->allocation.height - 1,
-		       widget->allocation.width, widget->allocation.height - 1);
-
-	if ((ruler->upper - ruler->lower) == 0) {
-		return;
-	}
-
-	/* we have to assume a fixed width font here */
-
-	max_chars = widget->allocation.width / 12; // XXX FIX ME: pixel with of the char `8'
-
-	nmarks = ruler->metric->get_marks (&marks, ruler->lower, ruler->upper, max_chars);
-
-	for (i = 0; i < nmarks; i++) {
-		gint pos;
-		gint height;
-
-		pos = ROUND ((marks[i].position - ruler->lower) / ruler->metric->units_per_pixel);
-		height = widget->allocation.height;
-
-		switch (marks[i].style) {
-		case GtkCustomRulerMarkMajor:
-			gdk_draw_line (ruler->backing_store, gc, pos, height, pos, 0);
-			break;
-		case GtkCustomRulerMarkMinor:
-			gdk_draw_line (ruler->backing_store, gc, pos, height, pos, height - (height/2));
-			break;
-		case GtkCustomRulerMarkMicro:
-			gdk_draw_line (ruler->backing_store, gc, pos, height, pos, height - 3);
-			break;
-		}
-
-		pango_layout_set_text (layout, marks[i].label, -1);
-		pango_layout_get_extents (layout, &logical_rect, NULL);
-
-		gtk_paint_layout (widget->style,
-				  ruler->backing_store,
-				  GTK_WIDGET_STATE (widget),
-				  FALSE,
-				  NULL,
-				  widget,
-				  "hruler",
-				  pos + 2, ythickness + PANGO_PIXELS (logical_rect.y - digit_offset),
-				  layout);
-
-		g_free (marks[i].label);
-	}
-
-	if (nmarks) {
-		g_free (marks);
-	}
-
-	g_object_unref (layout);
-}
-
-static void
-gtk_custom_hruler_draw_pos (GtkCustomRuler * ruler)
-{
-	GtkWidget *widget;
-	GdkGC *gc;
-	int i;
-	gint x, y;
-	gint width, height;
-	gint bs_width, bs_height;
-	gint xthickness;
-	gint ythickness;
-	gfloat increment;
-
-	g_return_if_fail (ruler != NULL);
-	g_return_if_fail (GTK_IS_CUSTOM_HRULER (ruler));
-	if (GTK_WIDGET_DRAWABLE (ruler) && (ruler->upper - ruler->lower) > 0) {
-		widget = GTK_WIDGET (ruler);
-		gc = widget->style->fg_gc[GTK_STATE_NORMAL];
-		xthickness = widget->style->xthickness;
-		ythickness = widget->style->ythickness;
-		width = widget->allocation.width;
-		height = widget->allocation.height - ythickness * 2;
-
-		bs_width = height / 2;
-		bs_width |= 1;			/* make sure it's odd */
-		bs_height = bs_width / 2 + 1;
-
-		if ((bs_width > 0) && (bs_height > 0)) {
-			/*  If a backing store exists, restore the ruler  */
-			if (ruler->backing_store && ruler->non_gr_exp_gc)
-				gdk_draw_drawable (ruler->widget.window,
-                                                   ruler->non_gr_exp_gc,
-                                                   GDK_DRAWABLE(ruler->backing_store), ruler->xsrc, ruler->ysrc, ruler->xsrc, ruler->ysrc, bs_width, bs_height);
-
-			increment = (gfloat) width / (ruler->upper - ruler->lower);
-			x = ROUND ((ruler->position - ruler->lower) * increment) + (xthickness - bs_width) / 2 - 1;
-			y = (height + bs_height) / 2 + ythickness;
-
-			for (i = 0; i < bs_height; i++)
-				gdk_draw_line (widget->window, gc, x + i, y + i, x + bs_width - 1 - i, y + i);
-
-
-			ruler->xsrc = x;
-			ruler->ysrc = y;
-		}
-	}
-}