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-rw-r--r--frontends/cocoa/Tree.m147
1 files changed, 147 insertions, 0 deletions
diff --git a/frontends/cocoa/Tree.m b/frontends/cocoa/Tree.m
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+++ b/frontends/cocoa/Tree.m
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+/*
+ * 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 "cocoa/font.h"
+#import "cocoa/plotter.h"
+
+#import "desktop/plotters.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
+};
+
+- (id)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 tree *) tree
+{
+ return tree;
+}
+
+- (void) setRedrawing: (BOOL) newRedrawing
+{
+}
+
+
++ (void) initialize
+{
+}
+
+//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];
+
+ if (width != NULL) *width = cocoa_pt_to_px( size.width );
+ if (height != NULL) *height = cocoa_pt_to_px( size.height );
+}
+
+@end
+
+@implementation Tree (ViewInterface)
+
+- (void) drawRect: (NSRect) rect inView: (NSView *) view
+{
+ struct redraw_context ctx = {
+ .interactive = true,
+ .background_images = true,
+ .plot = &cocoa_plotters
+ };
+
+ 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 )),
+ &ctx );
+}
+
+- (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