iOS: support filling in of text form fields

11 files changed, 897 insertions, 10 deletions

diff --git a/platform/ios/Classes/MuDialogCreator.h b/platform/ios/Classes/MuDialogCreator.h
new file mode 100644
index 00000000..9417facf
--- /dev/null
+++ b/platform/ios/Classes/MuDialogCreator.h
@@ -0,0 +1,12 @@
+//
+//  MuDialogCreator.h
+//  MuPDF
+//
+//  Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@protocol MuDialogCreator <NSObject>
+- (void) invokeTextDialog:(NSString *)aString okayAction:(void (^)(NSString *))block;
+@end
diff --git a/platform/ios/Classes/MuDocumentController.h b/platform/ios/Classes/MuDocumentController.h
index 3ec981f8..7cf943f8 100644
--- a/platform/ios/Classes/MuDocumentController.h
+++ b/platform/ios/Classes/MuDocumentController.h
@@ -15,8 +15,9 @@
 
 #import "MuOutlineController.h"
 #import "MuDocRef.h"
+#import "MuDialogCreator.h"
 
-@interface MuDocumentController : UIViewController <UIScrollViewDelegate, UIGestureRecognizerDelegate, UISearchBarDelegate>
+@interface MuDocumentController : UIViewController <UIScrollViewDelegate, UIGestureRecognizerDelegate, UISearchBarDelegate, MuDialogCreator>
 {
 	fz_document *doc;
 	MuDocRef *docRef;
diff --git a/platform/ios/Classes/MuDocumentController.m b/platform/ios/Classes/MuDocumentController.m
index 8a82fa1f..7b52f3e8 100644
--- a/platform/ios/Classes/MuDocumentController.m
+++ b/platform/ios/Classes/MuDocumentController.m
@@ -10,6 +10,7 @@
 #import "MuPageViewNormal.h"
 #import "MuPageViewReflow.h"
 #import "MuDocumentController.h"
+#import "MuTextFieldController.h"
 
 #define GAP 20
 #define INDICATOR_Y -44-24
@@ -474,6 +475,8 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 				// Not currently supported
 			} caseRemote:^(MuTapResultRemoteLink *link) {
 				// Not currently supported
+			} caseWidget:^(MuTapResultWidget *widget) {
+				tapHandled = YES;
 			}];
 			if (tapHandled)
 				break;
@@ -570,7 +573,7 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 		UIView<MuPageView> *view
 			= reflowMode
 				? [[MuPageViewReflow alloc] initWithFrame:CGRectMake(number * width, 0, width-GAP, height) document:docRef page:number]
-				: [[MuPageViewNormal alloc] initWithFrame:CGRectMake(number * width, 0, width-GAP, height) document:docRef page:number];
+				: [[MuPageViewNormal alloc] initWithFrame:CGRectMake(number * width, 0, width-GAP, height) dialogCreator:self document:docRef page:number];
 		[view setScale:scale];
 		[canvas addSubview: view];
 		if (showLinks)
@@ -618,6 +621,14 @@ static void flattenOutline(NSMutableArray *titles, NSMutableArray *pages, fz_out
 	current = number;
 }
 
+- (void) invokeTextDialog:(NSString *)aString okayAction:(void (^)(NSString *))block
+{
+	MuTextFieldController *tf = [[MuTextFieldController alloc] initWithText:aString okayAction:block];
+	tf.modalPresentationStyle = UIModalPresentationFormSheet;
+	[self presentViewController:tf animated:YES completion:nil];
+	[tf release];
+}
+
 - (void) onGotoPageFinished
 {
 	scroll_animating = NO;
diff --git a/platform/ios/Classes/MuPageViewNormal.h b/platform/ios/Classes/MuPageViewNormal.h
index 542237ec..9bbe459c 100644
--- a/platform/ios/Classes/MuPageViewNormal.h
+++ b/platform/ios/Classes/MuPageViewNormal.h
@@ -16,6 +16,7 @@
 #import "MuHitView.h"
 #import "MuPageView.h"
 #import "MuDocRef.h"
+#import "MuDialogCreator.h"
 
 @interface MuPageViewNormal : UIScrollView <UIScrollViewDelegate,MuPageView>
 {
@@ -30,12 +31,14 @@
 	UIImageView *tileView;
 	MuHitView *hitView;
 	MuHitView *linkView;
+	NSArray *widgetRects;
 	CGSize pageSize;
 	CGRect tileFrame;
 	float tileScale;
 	BOOL cancel;
+	id<MuDialogCreator> dialogCreator;
 }
-- (id) initWithFrame: (CGRect)frame document: (MuDocRef *)aDoc page: (int)aNumber;
+- (id) initWithFrame: (CGRect)frame dialogCreator:(id<MuDialogCreator>)dia document: (MuDocRef *)aDoc page: (int)aNumber;
 - (void) displayImage: (UIImage*)image;
 - (void) resizeImage;
 - (void) loadPage;
diff --git a/platform/ios/Classes/MuPageViewNormal.m b/platform/ios/Classes/MuPageViewNormal.m
index b34cb705..6f08424c 100644
--- a/platform/ios/Classes/MuPageViewNormal.m
+++ b/platform/ios/Classes/MuPageViewNormal.m
@@ -6,6 +6,8 @@
 //
 
 #include "common.h"
+#include "mupdf/pdf.h"
+#import "MuTextFieldController.h"
 
 static void releasePixmap(void *info, const void *data, size_t size)
 {
@@ -37,6 +39,55 @@ static UIImage *newImageWithPixmap(fz_pixmap *pix)
 	return image;
 }
 
+static NSArray *enumerateWidgetRects(fz_document *doc, fz_page *page, CGSize pageSize, CGSize screenSize)
+{
+	pdf_document *idoc = pdf_specifics(doc);
+	pdf_widget *widget;
+	NSMutableArray *arr = [NSMutableArray arrayWithCapacity:10];
+	CGSize scale = fitPageToScreen(pageSize, screenSize);
+
+	if (!idoc)
+		return  nil;
+
+	for (widget = pdf_first_widget(idoc, (pdf_page *)page); widget; widget = pdf_next_widget(widget))
+	{
+		fz_rect rect;
+
+		pdf_bound_widget(widget, &rect);
+		[arr addObject:[NSValue valueWithCGRect:CGRectMake(
+			rect.x0 * scale.width,
+			rect.y0 * scale.height,
+			(rect.x1-rect.x0) * scale.width,
+			(rect.y1-rect.y0) * scale.height)]];
+	}
+
+	return [arr retain];
+}
+
+static int setFocussedWidgetText(fz_document *doc, fz_page *page, const char *text)
+{
+	int accepted;
+
+	fz_try(ctx)
+	{
+		pdf_document *idoc = pdf_specifics(doc);
+		if (idoc)
+		{
+			pdf_widget *focus = pdf_focused_widget(idoc);
+			if (focus)
+			{
+				accepted = pdf_text_widget_set_text(idoc, focus, (char *)text);
+			}
+		}
+	}
+	fz_catch(ctx)
+	{
+		accepted = 0;
+	}
+
+	return accepted;
+}
+
 static fz_display_list *create_page_list(fz_document *doc, fz_page *page)
 {
 	fz_display_list *list;
@@ -70,7 +121,10 @@ static fz_display_list *create_annot_list(fz_document *doc, fz_page *page)
 	fz_try(ctx)
 	{
 		fz_annot *annot;
+		pdf_document *idoc = pdf_specifics(doc);
 
+		if (idoc)
+			pdf_update_page(idoc, (pdf_page *)page);
 		list = fz_new_display_list(ctx);
 		dev = fz_new_list_device(ctx, list);
 		for (annot = fz_first_annot(doc, page); annot; annot = fz_next_annot(doc, annot))
@@ -173,7 +227,7 @@ static UIImage *renderPage(fz_document *doc, fz_display_list *page_list, fz_disp
 		annot_list = create_annot_list(doc, page);
 }
 
-- (id) initWithFrame: (CGRect)frame document: (MuDocRef *)aDoc page: (int)aNumber
+-(id) initWithFrame:(CGRect)frame dialogCreator:(id<MuDialogCreator>)dia document:(MuDocRef *)aDoc page:(int)aNumber
 {
 	self = [super initWithFrame: frame];
 	if (self) {
@@ -181,6 +235,7 @@ static UIImage *renderPage(fz_document *doc, fz_display_list *page_list, fz_disp
 		doc = docRef->doc;
 		number = aNumber;
 		cancel = NO;
+		dialogCreator = dia;
 
 		[self setShowsVerticalScrollIndicator: NO];
 		[self setShowsHorizontalScrollIndicator: NO];
@@ -226,6 +281,7 @@ static UIImage *renderPage(fz_document *doc, fz_display_list *page_list, fz_disp
 			block_page = nil;
 		});
 		[docRef release];
+		[widgetRects release];
 		[linkView release];
 		[hitView release];
 		[tileView release];
@@ -325,6 +381,7 @@ static UIImage *renderPage(fz_document *doc, fz_display_list *page_list, fz_disp
 			CGSize scale = fitPageToScreen(pageSize, self.bounds.size);
 			CGRect rect = (CGRect){{0.0, 0.0},{pageSize.width * scale.width, pageSize.height * scale.height}};
 			UIImage *image = renderPage(doc, page_list, annot_list, pageSize, self.bounds.size, rect, 1.0);
+			widgetRects = enumerateWidgetRects(doc, page, pageSize, self.bounds.size);
 			dispatch_async(dispatch_get_main_queue(), ^{
 				[self displayImage: image];
 				[image release];
@@ -533,8 +590,96 @@ static UIImage *renderPage(fz_document *doc, fz_display_list *page_list, fz_disp
 
 - (void) setScale:(float)scale {}
 
+- (void) invokeTextDialog:(NSString *)text
+{
+	[dialogCreator invokeTextDialog:text okayAction:^(NSString *newText) {
+		dispatch_async(queue, ^{
+			BOOL accepted = setFocussedWidgetText(doc, page, [newText UTF8String]);
+			fz_drop_display_list(ctx, annot_list);
+			annot_list = NULL;
+			dispatch_async(dispatch_get_main_queue(), ^{
+				if (accepted)
+					[self loadPage];
+				else
+					[self invokeTextDialog:newText];
+			});
+		});
+	}];
+}
+
+- (void) passTapToPage:(CGPoint)pt
+{
+	pdf_document *idoc = pdf_specifics(doc);
+	CGSize scale = fitPageToScreen(pageSize, self.bounds.size);
+	pdf_ui_event event;
+	int changed = 0;
+	pdf_widget *focus;
+
+	if (!idoc)
+		return;
+
+	fz_try(ctx)
+	{
+		event.etype = PDF_EVENT_TYPE_POINTER;
+		event.event.pointer.pt.x = pt.x / scale.width;
+		event.event.pointer.pt.y = pt.y / scale.height;
+		event.event.pointer.ptype = PDF_POINTER_DOWN;
+		changed = pdf_pass_event(idoc, (pdf_page *)page, &event);
+		event.event.pointer.ptype = PDF_POINTER_UP;
+		changed |= pdf_pass_event(idoc, (pdf_page *)page, &event);
+		if (changed)
+		{
+			fz_drop_display_list(ctx, annot_list);
+			annot_list = NULL;
+		}
+
+		focus = pdf_focused_widget(idoc);
+		if (focus)
+		{
+			switch (pdf_widget_get_type(focus))
+			{
+				case PDF_WIDGET_TYPE_TEXT:
+				{
+					char *text = pdf_text_widget_text(idoc, focus);
+					NSString *stext = [NSString stringWithUTF8String:text?text:""];
+					fz_free(ctx, text);
+					dispatch_async(dispatch_get_main_queue(), ^{
+						[self invokeTextDialog:stext];
+					});
+					break;
+				}
+
+				case PDF_WIDGET_TYPE_LISTBOX:
+				case PDF_WIDGET_TYPE_COMBOBOX:
+					break;
+
+				case PDF_WIDGET_TYPE_SIGNATURE:
+					break;
+
+				default:
+					break;
+			}
+		}
+	}
+	fz_catch(ctx)
+	{
+	}
+}
+
 - (MuTapResult *) handleTap:(CGPoint)pt
 {
+	CGPoint ipt = [self convertPoint:pt toView:imageView];
+	for (int i = 0; i < widgetRects.count; i++)
+	{
+		CGRect r = [[widgetRects objectAtIndex:i] CGRectValue];
+		if (CGRectContainsPoint([[widgetRects objectAtIndex:i] CGRectValue], ipt))
+		{
+			dispatch_async(queue, ^{
+				[self passTapToPage:ipt];
+			});
+			return [[[MuTapResultWidget alloc] init] autorelease];
+		}
+	}
 	CGPoint lpt = [self convertPoint:pt toView:linkView];
 	return linkView ? [linkView handleTap:lpt] : nil;
 }
diff --git a/platform/ios/Classes/MuTapResult.h b/platform/ios/Classes/MuTapResult.h
index c0d930c5..3271772f 100644
--- a/platform/ios/Classes/MuTapResult.h
+++ b/platform/ios/Classes/MuTapResult.h
@@ -10,11 +10,13 @@
 @class MuTapResultInternalLink;
 @class MuTapResultExternalLink;
 @class MuTapResultRemoteLink;
+@class MuTapResultWidget;
 
 @interface MuTapResult : NSObject
 -(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock
 		caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock
-		caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock;
+		caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock
+		caseWidget:(void (^)(MuTapResultWidget *))widgetBlock;
 @end
 
 @interface MuTapResultInternalLink : MuTapResult
@@ -44,3 +46,6 @@
 @property(readonly) BOOL newWindow;
 -(id)initWithFileSpec:(NSString *)aString pageNumber:(int)aNumber newWindow:(BOOL)aBool;
 @end
+
+@interface MuTapResultWidget : MuTapResult
+@end
diff --git a/platform/ios/Classes/MuTapResult.m b/platform/ios/Classes/MuTapResult.m
index 7e3d71d1..c7f4d755 100644
--- a/platform/ios/Classes/MuTapResult.m
+++ b/platform/ios/Classes/MuTapResult.m
@@ -9,8 +9,7 @@
 
 @implementation MuTapResult
 
--(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock {}
-
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock {}
 @end
 
 
@@ -28,7 +27,7 @@
 	return self;
 }
 
--(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
 {
 	internalLinkBlock(self);
 }
@@ -56,7 +55,7 @@
 	[super dealloc];
 }
 
--(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock
+-(void)	switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
 {
 	externalLinkBlock(self);
 }
@@ -86,9 +85,19 @@
 	[super dealloc];
 }
 
--(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
 {
 	remoteLinkBlock(self);
 }
 
+@end
+
+
+@implementation MuTapResultWidget
+
+-(void) switchCaseInternal:(void (^)(MuTapResultInternalLink *))internalLinkBlock caseExternal:(void (^)(MuTapResultExternalLink *))externalLinkBlock caseRemote:(void (^)(MuTapResultRemoteLink *))remoteLinkBlock caseWidget:(void (^)(MuTapResultWidget *))widgetBlock
+{
+	widgetBlock(self);
+}
+
 @end
\ No newline at end of file
diff --git a/platform/ios/Classes/MuTextFieldController.h b/platform/ios/Classes/MuTextFieldController.h
new file mode 100644
index 00000000..f74f0610
--- /dev/null
+++ b/platform/ios/Classes/MuTextFieldController.h
@@ -0,0 +1,19 @@
+//
+//  MuTextFieldController.h
+//  MuPDF
+//
+//  Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface MuTextFieldController : UIViewController
+{
+	void (^okayBlock)(NSString *);
+	NSString *initialText;
+}
+@property (retain, nonatomic) IBOutlet UITextView *textView;
+- (id)initWithText:(NSString *)text okayAction:(void (^)(NSString *))block;
+- (IBAction)okayTapped:(id)sender;
+- (IBAction)cancelTapped:(id)sender;
+@end
diff --git a/platform/ios/Classes/MuTextFieldController.m b/platform/ios/Classes/MuTextFieldController.m
new file mode 100644
index 00000000..e0864ff4
--- /dev/null
+++ b/platform/ios/Classes/MuTextFieldController.m
@@ -0,0 +1,58 @@
+//
+//  MuTextFieldController.m
+//  MuPDF
+//
+//  Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
+//
+
+#import "MuTextFieldController.h"
+
+@interface MuTextFieldController ()
+@end
+
+@implementation MuTextFieldController
+
+-(id)initWithText:(NSString *)text okayAction:(void (^)(NSString *))block
+{
+	self = [super initWithNibName:@"MuTextFieldController" bundle:nil];
+	if (self)
+	{
+		okayBlock = Block_copy(block);
+		initialText = [text retain];
+	}
+	return self;
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+	_textView.text = initialText;
+    // Do any additional setup after loading the view from its nib.
+}
+
+- (void)didReceiveMemoryWarning
+{
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+- (void)dealloc
+{
+	[okayBlock release];
+	[initialText release];
+    [_textView release];
+    [super dealloc];
+}
+
+- (IBAction)okayTapped:(id)sender
+{
+	okayBlock(_textView.text);
+	[self dismissViewControllerAnimated:YES completion:nil];
+}
+
+- (IBAction)cancelTapped:(id)sender
+{
+	[self dismissViewControllerAnimated:YES completion:nil];
+}
+
+@end
diff --git a/platform/ios/Classes/MuTextFieldController.xib b/platform/ios/Classes/MuTextFieldController.xib
new file mode 100644
index 00000000..298e1508
--- /dev/null
+++ b/platform/ios/Classes/MuTextFieldController.xib
@@ -0,0 +1,612 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1552</int>
+		<string key="IBDocument.SystemVersion">11G63b</string>
+		<string key="IBDocument.InterfaceBuilderVersion">3084</string>
+		<string key="IBDocument.AppKitVersion">1138.51</string>
+		<string key="IBDocument.HIToolboxVersion">569.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">2083</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBNSLayoutConstraint</string>
+			<string>IBProxyObject</string>
+			<string>IBUIButton</string>
+			<string>IBUILabel</string>
+			<string>IBUITextView</string>
+			<string>IBUIView</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="372490531">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBProxyObject" id="975951072">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBUIView" id="191373211">
+				<reference key="NSNextResponder"/>
+				<int key="NSvFlags">274</int>
+				<array class="NSMutableArray" key="NSSubviews">
+					<object class="IBUILabel" id="852968923">
+						<reference key="NSNextResponder" ref="191373211"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{20, 47}, {281, 21}}</string>
+						<reference key="NSSuperview" ref="191373211"/>
+						<reference key="NSNextKeyView" ref="458048931"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<int key="IBUIContentMode">7</int>
+						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<string key="IBUIText">Fill in text field</string>
+						<object class="NSColor" key="IBUITextColor" id="96159386">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MQA</bytes>
+						</object>
+						<nil key="IBUIHighlightedColor"/>
+						<int key="IBUIBaselineAdjustment">0</int>
+						<int key="IBUITextAlignment">1</int>
+						<object class="IBUIFontDescription" key="IBUIFontDescription">
+							<int key="type">1</int>
+							<double key="pointSize">17</double>
+						</object>
+						<object class="NSFont" key="IBUIFont">
+							<string key="NSName">Helvetica</string>
+							<double key="NSSize">17</double>
+							<int key="NSfFlags">16</int>
+						</object>
+						<bool key="IBUIAdjustsFontSizeToFit">NO</bool>
+					</object>
+					<object class="IBUITextView" id="458048931">
+						<reference key="NSNextResponder" ref="191373211"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{20, 89}, {281, 281}}</string>
+						<reference key="NSSuperview" ref="191373211"/>
+						<reference key="NSNextKeyView" ref="831564724"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MSAxIDEAA</bytes>
+						</object>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<bool key="IBUIMultipleTouchEnabled">YES</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<string key="IBUIText"/>
+						<object class="IBUITextInputTraits" key="IBUITextInputTraits">
+							<int key="IBUIAutocapitalizationType">2</int>
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						</object>
+						<object class="IBUIFontDescription" key="IBUIFontDescription">
+							<string key="name">Helvetica</string>
+							<string key="family">Helvetica</string>
+							<int key="traits">0</int>
+							<double key="pointSize">14</double>
+						</object>
+						<object class="NSFont" key="IBUIFont">
+							<string key="NSName">Helvetica</string>
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+				<string key="49.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="54.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="59.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<boolean value="NO" key="59.IBViewMetadataTranslatesAutoresizingMaskIntoConstraints"/>
+				<string key="60.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="62.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="64.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="65.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="68.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="69.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			</dictionary>
+			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
+			<nil key="activeLocalization"/>
+			<dictionary class="NSMutableDictionary" key="localizations"/>
+			<nil key="sourceID"/>
+			<int key="maxID">72</int>
+		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes"/>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
+		<int key="IBDocument.defaultPropertyAccessControl">3</int>
+		<bool key="IBDocument.UseAutolayout">YES</bool>
+		<string key="IBCocoaTouchPluginVersion">2083</string>
+	</data>
+</archive>
diff --git a/platform/ios/MuPDF.xcodeproj/project.pbxproj b/platform/ios/MuPDF.xcodeproj/project.pbxproj
index ef6ea07f..b4783e32 100644
--- a/platform/ios/MuPDF.xcodeproj/project.pbxproj
+++ b/platform/ios/MuPDF.xcodeproj/project.pbxproj
@@ -37,6 +37,8 @@
 		DA1C68C417E8969C0061F586 /* common.m in Sources */ = {isa = PBXBuildFile; fileRef = DA1C68C317E8969C0061F586 /* common.m */; };
 		DAA6E56F17F03F96002B1E4E /* MuPageViewReflow.m in Sources */ = {isa = PBXBuildFile; fileRef = DAA6E56E17F03AAE002B1E4E /* MuPageViewReflow.m */; };
 		DAAC6A2E17FC6E4A00A0E83A /* MuTapResult.m in Sources */ = {isa = PBXBuildFile; fileRef = DAAC6A2D17FC6E4A00A0E83A /* MuTapResult.m */; };
+		DAB20D4518042D830030623F /* MuTextFieldController.m in Sources */ = {isa = PBXBuildFile; fileRef = DAB20D4318042D830030623F /* MuTextFieldController.m */; };
+		DAB20D4618042D830030623F /* MuTextFieldController.xib in Resources */ = {isa = PBXBuildFile; fileRef = DAB20D4418042D830030623F /* MuTextFieldController.xib */; };
 		DAB9F4BB17F1B24000117D2E /* ic_arrow_left.png in Resources */ = {isa = PBXBuildFile; fileRef = DAB9F4B517F1B24000117D2E /* ic_arrow_left.png */; };
 		DAB9F4BC17F1B24000117D2E /* ic_arrow_right.png in Resources */ = {isa = PBXBuildFile; fileRef = DAB9F4B617F1B24000117D2E /* ic_arrow_right.png */; };
 		DAB9F4BD17F1B24000117D2E /* ic_cancel.png in Resources */ = {isa = PBXBuildFile; fileRef = DAB9F4B717F1B24000117D2E /* ic_cancel.png */; };
@@ -99,6 +101,10 @@
 		DAA6E56E17F03AAE002B1E4E /* MuPageViewReflow.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = MuPageViewReflow.m; path = Classes/MuPageViewReflow.m; sourceTree = "<group>"; };
 		DAAC6A2C17FC6E4A00A0E83A /* MuTapResult.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MuTapResult.h; path = Classes/MuTapResult.h; sourceTree = "<group>"; };
 		DAAC6A2D17FC6E4A00A0E83A /* MuTapResult.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = MuTapResult.m; path = Classes/MuTapResult.m; sourceTree = "<group>"; };
+		DAB20D4218042D830030623F /* MuTextFieldController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MuTextFieldController.h; path = Classes/MuTextFieldController.h; sourceTree = "<group>"; };
+		DAB20D4318042D830030623F /* MuTextFieldController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = MuTextFieldController.m; path = Classes/MuTextFieldController.m; sourceTree = "<group>"; };
+		DAB20D4418042D830030623F /* MuTextFieldController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; name = MuTextFieldController.xib; path = Classes/MuTextFieldController.xib; sourceTree = "<group>"; };
+		DAB20D4718045AC40030623F /* MuDialogCreator.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MuDialogCreator.h; path = Classes/MuDialogCreator.h; sourceTree = "<group>"; };
 		DAB9F4B517F1B24000117D2E /* ic_arrow_left.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_arrow_left.png; path = "../android/res/drawable-ldpi/ic_arrow_left.png"; sourceTree = "<group>"; };
 		DAB9F4B617F1B24000117D2E /* ic_arrow_right.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_arrow_right.png; path = "../android/res/drawable-ldpi/ic_arrow_right.png"; sourceTree = "<group>"; };
 		DAB9F4B717F1B24000117D2E /* ic_cancel.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ic_cancel.png; path = "../android/res/drawable-ldpi/ic_cancel.png"; sourceTree = "<group>"; };
@@ -217,6 +223,10 @@
 				DAA6E56E17F03AAE002B1E4E /* MuPageViewReflow.m */,
 				DAAC6A2C17FC6E4A00A0E83A /* MuTapResult.h */,
 				DAAC6A2D17FC6E4A00A0E83A /* MuTapResult.m */,
+				DAB20D4218042D830030623F /* MuTextFieldController.h */,
+				DAB20D4318042D830030623F /* MuTextFieldController.m */,
+				DAB20D4418042D830030623F /* MuTextFieldController.xib */,
+				DAB20D4718045AC40030623F /* MuDialogCreator.h */,
 			);
 			name = Classes;
 			sourceTree = "<group>";
@@ -310,6 +320,7 @@
 				DAB9F4BF17F1B24000117D2E /* ic_list.png in Resources */,
 				DAB9F4C017F1B24000117D2E /* ic_magnifying_glass.png in Resources */,
 				DAB9F4C217F1CB6D00117D2E /* ic_reflow.png in Resources */,
+				DAB20D4618042D830030623F /* MuTextFieldController.xib in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -354,6 +365,7 @@
 				DA1C68C417E8969C0061F586 /* common.m in Sources */,
 				DABDEF5A17EC484A00AC35F1 /* MuDocRef.m in Sources */,
 				DAAC6A2E17FC6E4A00A0E83A /* MuTapResult.m in Sources */,
+				DAB20D4518042D830030623F /* MuTextFieldController.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};