From d01ec65cad079a0363d1d3ea5569d096929e3c64 Mon Sep 17 00:00:00 2001
From: omigamedev <omarator@gmail.com>
Date: Sat, 29 Jul 2017 15:02:27 +0100
Subject: [PATCH] resize view when keyboard appears

---
 PanoPainter/GameViewController.m | 37 ++++++++++++++++++++++++++++++++
 engine/app.cpp                   |  2 +-
 engine/app.h                     |  2 +-
 3 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/PanoPainter/GameViewController.m b/PanoPainter/GameViewController.m
index e636d50..d66940e 100644
--- a/PanoPainter/GameViewController.m
+++ b/PanoPainter/GameViewController.m
@@ -43,6 +43,42 @@ int t_count = 0;
     return YES;
 }
 
+// Call this method somewhere in your view controller setup code.
+- (void)registerForKeyboardNotifications
+{
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(keyboardWasShown:)
+                                                 name:UIKeyboardWillShowNotification object:nil];
+    
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(keyboardWillBeHidden:)
+                                                 name:UIKeyboardWillHideNotification object:nil];
+    
+}
+
+// Called when the UIKeyboardDidShowNotification is sent.
+- (void)keyboardWasShown:(NSNotification*)aNotification
+{
+    NSDictionary* info = [aNotification userInfo];
+    CGSize kbSize = [[info objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
+    
+    GLKView *view = (GLKView *)self.view;
+    CGRect frame = view.frame;
+    frame.size.height -= kbSize.height;
+    view.frame = frame;
+    App::I.resize(frame.size.width * view.contentScaleFactor,
+                  frame.size.height * view.contentScaleFactor);
+}
+
+// Called when the UIKeyboardWillHideNotification is sent
+- (void)keyboardWillBeHidden:(NSNotification*)aNotification
+{
+    CGRect frame = [[UIScreen mainScreen] bounds];
+    self.view.frame = frame;
+    App::I.resize(frame.size.width * self.view.contentScaleFactor,
+                  frame.size.height * self.view.contentScaleFactor);
+}
+
 - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
 {
     UITouch *touch = [[event allTouches] anyObject];
@@ -122,6 +158,7 @@ int t_count = 0;
 - (void)viewDidAppear:(BOOL)animated
 {
     [self resignFirstResponder];
+    [self registerForKeyboardNotifications];
 }
 
 - (void)viewDidLoad
diff --git a/engine/app.cpp b/engine/app.cpp
index cb2332e..da451fd 100644
--- a/engine/app.cpp
+++ b/engine/app.cpp
@@ -125,7 +125,7 @@ void App::update(float dt)
     //glClear(GL_COLOR_BUFFER_BIT);
 
 #ifndef __ANDROID__
-    layout.reload();
+    //layout.reload();
 #endif
     if (auto* main = layout[main_id])
         main->update(width, height, zoom);
diff --git a/engine/app.h b/engine/app.h
index 7110c57..ccceb2e 100644
--- a/engine/app.h
+++ b/engine/app.h
@@ -15,7 +15,7 @@
 #include "node_panel_stroke.h"
 #include "node_canvas.h"
 
-#ifdef __OBJC__
+#if defined(__OBJC__) && defined(__IOS__)
 #import <Foundation/Foundation.h>
 #import "GameViewController.h"
 #endif