Making sure history popup stays on screen.

svn path=/trunk/netsurf/; revision=11708

cocoa/HistoryView.h

@@ -27,5 +27,6 @@
 @property (readwrite, assign, nonatomic) struct browser_window *browser;
 
 - (void) updateHistory;
+- (NSSize) size;
 
 @end

cocoa/HistoryView.m

@@ -25,13 +25,6 @@
 #import "desktop/history_core.h"
 #import "desktop/plotters.h"
 
-static NSRect cocoa_history_rect( struct browser_window *bw )
-{
-	int width, height;
-	history_size( bw->history, &width, &height );
-	return cocoa_rect( 0, 0, width, height );
-}
-
 @implementation HistoryView
 
 @synthesize browser;
@@ -42,9 +35,19 @@ static NSRect cocoa_history_rect( struct browser_window *bw )
 	[self updateHistory];
 }
 
+- (NSSize) size;
+{
+	const CGFloat padding = 10;
+	
+	int width, height;
+	history_size( browser->history, &width, &height );
+	
+	return NSMakeSize( cocoa_px_to_pt( width ) + padding, cocoa_px_to_pt( height ) + padding );
+}
+
 - (void) updateHistory;
 {
-	[self setFrameSize: cocoa_history_rect( browser ).size];
+	[self setFrameSize: [self size]];
 	[self setNeedsDisplay: YES];
 }
 

cocoa/LocalHistoryController.m

@@ -37,8 +37,59 @@
 
 - (void) attachToView: (NSView *) view;
 {
+	const CGFloat ScrollerSpace = [NSScroller scrollerWidthForControlSize: NSSmallControlSize];;
+	
+	NSDisableScreenUpdates();
+	
+	ArrowWindow *box = (ArrowWindow *)[self window];
+
+	NSSize newSize = [history size];
+	newSize.width += ScrollerSpace;
+	newSize.height += ScrollerSpace;
+	
+	[box setContentSize: newSize];
+	[box setArrowPosition: 50];
 	[history updateHistory];
-	[(ArrowWindow *)[self window] attachToView: view];
+	[box attachToView: view];
+	
+	NSRect frame = [box frame];
+	NSRect screenFrame = [[box screen] visibleFrame];
+	
+	const CGFloat arrowSize = [box arrowSize];
+	frame.origin.x += arrowSize;
+	frame.origin.y += arrowSize;
+	frame.size.width -= 2 * arrowSize;
+	frame.size.height -= 2 * arrowSize;
+	
+	if (NSMinY( frame ) < NSMinY( screenFrame )) {
+		const CGFloat delta = NSMinY( screenFrame ) - NSMinY( frame );
+		frame.size.height -= delta;
+		frame.origin.y += delta;
+	}
+	
+	CGFloat arrowPositionChange = 50;
+	if (NSMaxX( frame ) > NSMaxX( screenFrame )) {
+		const CGFloat delta = NSMaxX( frame ) - NSMaxX( screenFrame );
+		arrowPositionChange += delta;
+		frame.origin.x -= delta;
+	}
+	
+	if (NSMinX( frame ) < NSMinX( screenFrame )) {
+		const CGFloat delta = NSMinX( screenFrame ) - NSMinX( frame );
+		arrowPositionChange -= delta;
+		frame.origin.x  += delta;
+		frame.size.width -= delta;
+	}
+
+	frame.origin.x -= arrowSize;
+	frame.origin.y -= arrowSize;
+	frame.size.width += 2 * arrowSize;
+	frame.size.height += 2 * arrowSize;
+	
+	[box setArrowPosition: arrowPositionChange];
+	[box setFrame: frame display: YES];
+	
+	NSEnableScreenUpdates();
 }
 
 - (void) detach;

cocoa/res/LocalHistoryPanel.xib

@@ -12,7 +12,7 @@
 		</object>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
 			<bool key="EncodedWithXMLCoder">YES</bool>
-			<integer value="1"/>
+			<integer value="2"/>
 		</object>
 		<object class="NSArray" key="IBDocument.PluginDependencies">
 			<bool key="EncodedWithXMLCoder">YES</bool>
@@ -64,7 +64,7 @@
 										<bool key="EncodedWithXMLCoder">YES</bool>
 										<object class="NSCustomView" id="820702167">
 											<reference key="NSNextResponder" ref="753770525"/>
-											<int key="NSvFlags">274</int>
+											<int key="NSvFlags">256</int>
 											<string key="NSFrameSize">{480, 270}</string>
 											<reference key="NSSuperview" ref="753770525"/>
 											<string key="NSClassName">HistoryView</string>
@@ -239,9 +239,9 @@
 				</object>
 				<object class="NSMutableArray" key="dict.values">
 					<bool key="EncodedWithXMLCoder">YES</bool>
-					<string>{{489, 207}, {480, 270}}</string>
+					<string>{{364, 310}, {480, 270}}</string>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
-					<string>{{489, 207}, {480, 270}}</string>
+					<string>{{364, 310}, {480, 270}}</string>
 					<boolean value="NO"/>
 					<string>{196, 240}</string>
 					<string>{{202, 428}, {480, 270}}</string>