From 28ff0cfb0af7d58244dfd06546b2c8ec37f01c75 Mon Sep 17 00:00:00 2001
From: Sven Weidauer <sven.weidauer@gmail.com>
Date: Tue, 1 Feb 2011 08:39:32 +0000
Subject: Factored Tree class out of TreeView

svn path=/trunk/netsurf/; revision=11577
---
 cocoa/Tree.m | 140 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 cocoa/Tree.m

(limited to 'cocoa/Tree.m')

diff --git a/cocoa/Tree.m b/cocoa/Tree.m
new file mode 100644
index 000000000..b5cbf2068
--- /dev/null
+++ b/cocoa/Tree.m
@@ -0,0 +1,140 @@
+/*
+ * Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "cocoa/Tree.h"
+#import "cocoa/coordinates.h"
+
+#import "desktop/tree.h"
+
+@implementation Tree
+
+@synthesize delegate;
+
+static void tree_redraw_request( int x, int y, int w, int h, void *data );
+static void tree_resized( struct tree *tree, int w, int h, void *data );
+static void tree_scroll_visible( int y, int height, void *data );
+static void tree_get_window_dimensions( int *width, int *height, void *data );
+
+static const struct treeview_table cocoa_tree_callbacks = {
+	.redraw_request = tree_redraw_request,
+	.resized = tree_resized,
+	.scroll_visible = tree_scroll_visible,
+	.get_window_dimensions = tree_get_window_dimensions
+};
+
+- initWithFlags: (unsigned int)flags;
+{
+	if ((self = [super init]) == nil) return nil;
+	
+	tree = tree_create( flags, &cocoa_tree_callbacks, self );
+	if (tree == NULL) {
+		[self release];
+		return nil;
+	}
+	
+	return self;
+}
+
+
+- (void) dealloc;
+{
+	tree_delete( tree );
+	[super dealloc];
+}
+
+- (struct node *) rootNode;
+{
+	return tree_get_root( tree );
+}
+
+- (struct tree *) tree;
+{
+	return tree;
+}
+
+- (BOOL) isRedrawing;
+{
+	return tree_get_redraw( tree );
+}
+
+- (void) setRedrawing: (BOOL) newRedrawing;
+{
+	tree_set_redraw( tree, newRedrawing );
+}
+
+//MARK: -
+//MARK: Callbacks
+
+static void tree_redraw_request( int x, int y, int w, int h, void *data )
+{
+	id <TreeDelegate> delegate = ((Tree *)data)->delegate;
+	[delegate tree: (Tree *)data requestedRedrawInRect: cocoa_rect_wh( x, y, w, h )];
+}
+
+static void tree_resized( struct tree *tree, int w, int h, void *data )
+{
+	id <TreeDelegate> delegate = ((Tree *)data)->delegate;
+	[delegate tree: (Tree *)data resized: cocoa_size( w, h )];
+}
+
+static void tree_scroll_visible( int y, int height, void *data )
+{
+	id <TreeDelegate> delegate = ((Tree *)data)->delegate;
+	[delegate tree: (Tree *)data scrollPoint: cocoa_point( 0, y )];
+}
+
+static void tree_get_window_dimensions( int *width, int *height, void *data )
+{
+	id <TreeDelegate> delegate = ((Tree *)data)->delegate;
+	if (delegate == nil) return;
+	
+	NSSize size = [delegate treeWindowSize: (Tree *)data];
+
+	*width = cocoa_pt_to_px( size.width );
+	*height = cocoa_pt_to_px( size.height );
+}
+
+@end
+
+@implementation Tree (ViewInterface)
+
+- (void) drawRect: (NSRect) rect inView: (NSView *) view;
+{
+	tree_draw( tree, 0, 0, cocoa_pt_to_px( NSMinX( rect ) ), cocoa_pt_to_px( NSMinY( rect )), 
+			  cocoa_pt_to_px( NSWidth( rect ) ), cocoa_pt_to_px( NSHeight( rect ) ) );
+}
+
+- (void) mouseAction: (browser_mouse_state)state atPoint: (NSPoint)point;
+{
+	tree_mouse_action( tree, state, cocoa_pt_to_px( point.x ), cocoa_pt_to_px( point.y ) );
+}
+
+- (void) mouseDragEnd: (browser_mouse_state)state fromPoint: (NSPoint)p0 toPoint: (NSPoint) p1;
+{
+	tree_drag_end( tree, state, 
+				  cocoa_pt_to_px( p0.x ), cocoa_pt_to_px( p0.y ), 
+				  cocoa_pt_to_px( p1.x ), cocoa_pt_to_px( p1.y ) );
+}
+
+- (void) keyPress: (uint32_t) key;
+{
+	tree_keypress( tree, key );
+}
+
+@end
+
-- 
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