From 20fbf5586f0c2a42b0e2c04b51eb50f815264996 Mon Sep 17 00:00:00 2001
From: omigamedev <omarator@gmail.com>
Date: Wed, 27 Nov 2019 01:08:00 +0100
Subject: [PATCH] add brackets brush size

---
 PanoPainter-OSX/main.cpp |  4 +--
 src/event.h              |  2 ++
 src/keymap.h             |  4 +--
 src/node_canvas.cpp      | 12 +++++++++
 src/objc_utils.cpp       | 57 ++++++++++++++++++++++++++++++++++++++++
 src/objc_utils.h         |  3 +++
 6 files changed, 78 insertions(+), 4 deletions(-)

diff --git a/PanoPainter-OSX/main.cpp b/PanoPainter-OSX/main.cpp
index 2087a67..4e27c76 100644
--- a/PanoPainter-OSX/main.cpp
+++ b/PanoPainter-OSX/main.cpp
@@ -382,8 +382,8 @@
 {
     auto keyCode = [theEvent keyCode];
     auto chars = [theEvent characters];
-    const char* c_str = [chars cStringUsingEncoding:NSASCIIStringEncoding];
-    std::string s = c_str ? c_str : "";
+    NSString* nss = keyCodeToString(keyCode, [theEvent modifierFlags]);
+    std::string s = [nss cStringUsingEncoding:NSUTF8StringEncoding];
     App::I->ui_task_async([keyCode, s] {
         if (App::I->keys[(int)kKey::KeyCtrl])
         {
diff --git a/src/event.h b/src/event.h
index 3beeb9b..e2f9edd 100644
--- a/src/event.h
+++ b/src/event.h
@@ -75,6 +75,8 @@ enum class kKey : uint8_t
     KeyEnter,
     KeyBackspace,
     KeyDel,
+    KeyBracketLeft,
+    KeyBracketRight,
 };
 
 enum class kEventResult : uint8_t
diff --git a/src/keymap.h b/src/keymap.h
index 939925d..e77a59f 100644
--- a/src/keymap.h
+++ b/src/keymap.h
@@ -152,10 +152,10 @@ kKey convert_key(int key)
     CASE(kVK_ANSI_Minus, kKey::Unknown);
     CASE(kVK_ANSI_8, kKey::Key8);
     CASE(kVK_ANSI_0, kKey::Key0);
-    CASE(kVK_ANSI_RightBracket, kKey::Unknown);
+    CASE(kVK_ANSI_RightBracket, kKey::KeyBracketRight);
     CASE(kVK_ANSI_O, kKey::KeyO);
     CASE(kVK_ANSI_U, kKey::KeyU);
-    CASE(kVK_ANSI_LeftBracket, kKey::Unknown);
+    CASE(kVK_ANSI_LeftBracket, kKey::KeyBracketLeft);
     CASE(kVK_ANSI_I, kKey::KeyI);
     CASE(kVK_ANSI_P, kKey::KeyP);
     CASE(kVK_ANSI_L, kKey::KeyL);
diff --git a/src/node_canvas.cpp b/src/node_canvas.cpp
index 428f13e..ce40fb9 100644
--- a/src/node_canvas.cpp
+++ b/src/node_canvas.cpp
@@ -615,6 +615,18 @@ kEventResult NodeCanvas::handle_event(Event* e)
                 App::I->dialog_save_ver();
             }
         }
+        if (ke->m_key == kKey::KeyBracketLeft)
+        {
+            float v = App::I->stroke->m_tip_size->get_value();
+            float nv = glm::clamp<float>(v - 0.05, 0, 1);
+            App::I->stroke->set_size(nv, true, true);
+        }
+        if (ke->m_key == kKey::KeyBracketRight)
+        {
+            float v = App::I->stroke->m_tip_size->get_value();
+            float nv = glm::clamp<float>(v + 0.05, 0, 1);
+            App::I->stroke->set_size(nv, true, true);
+        }
         for (auto& mode : *m_canvas->m_mode)
             mode->on_KeyEvent(ke);
         break;
diff --git a/src/objc_utils.cpp b/src/objc_utils.cpp
index 324a6dc..1196103 100644
--- a/src/objc_utils.cpp
+++ b/src/objc_utils.cpp
@@ -6,6 +6,7 @@
 #include <iomanip>
 #include <ctime>
 #include <sstream>
+#import <Carbon/Carbon.h>
 
 #ifdef __OBJC__
 #import <Photos/Photos.h>
@@ -39,6 +40,62 @@
 @end
 #endif
 
+std::wstring NSStringToStringW ( NSString* Str )
+{
+    NSStringEncoding pEncode    =   CFStringConvertEncodingToNSStringEncoding ( kCFStringEncodingUTF32LE );
+    NSData* pSData              =   [ Str dataUsingEncoding : pEncode ];
+   
+    return std::wstring ( (wchar_t*) [ pSData bytes ], [ pSData length] / sizeof ( wchar_t ) );
+}
+
+NSString* StringWToNSString ( const std::wstring& Str )
+{
+    NSString* pString = [ [ NSString alloc ]
+                        initWithBytes : (char*)Str.data()
+                               length : Str.size() * sizeof(wchar_t)
+                             encoding : CFStringConvertEncodingToNSStringEncoding ( kCFStringEncodingUTF32LE ) ];
+    return pString;
+}
+
+NSString* keyCodeToString(CGKeyCode keyCode, NSUInteger mods)
+{
+  TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
+  CFDataRef uchr =
+    (CFDataRef)TISGetInputSourceProperty(currentKeyboard,
+                                         kTISPropertyUnicodeKeyLayoutData);
+  const UCKeyboardLayout *keyboardLayout =
+    (const UCKeyboardLayout*)CFDataGetBytePtr(uchr);
+
+  if(keyboardLayout)
+  {
+    UInt32 deadKeyState = 0;
+    UniCharCount maxStringLength = 255;
+    UniCharCount actualStringLength = 0;
+    UniChar unicodeString[maxStringLength];
+
+    OSStatus status = UCKeyTranslate(keyboardLayout,
+                                     keyCode, kUCKeyActionDown, mods,
+                                     LMGetKbdType(), 0,
+                                     &deadKeyState,
+                                     maxStringLength,
+                                     &actualStringLength, unicodeString);
+
+    if (actualStringLength == 0 && deadKeyState)
+    {
+      status = UCKeyTranslate(keyboardLayout,
+                                       kVK_Space, kUCKeyActionDown, mods,
+                                       LMGetKbdType(), 0,
+                                       &deadKeyState,
+                                       maxStringLength,
+                                       &actualStringLength, unicodeString);
+    }
+    if(actualStringLength > 0 && status == noErr)
+      return [[NSString stringWithCharacters:unicodeString
+                        length:(NSUInteger)actualStringLength] lowercaseString];
+  }
+
+  return nil;
+}
 
 std::string base_address;
 std::atomic_flag handler_executed;
diff --git a/src/objc_utils.h b/src/objc_utils.h
index fed89f2..83721c2 100644
--- a/src/objc_utils.h
+++ b/src/objc_utils.h
@@ -16,3 +16,6 @@ void delete_all_files_in_path(const std::string& source_path);
 void export_mp4(const std::string& rec_path, int width, int height, int tot, void(^progress_callback)(float));
 void save_image_library(const std::string& path);
 bool apple_create_dir(const std::string& path);
+NSString* keyCodeToString(CGKeyCode keyCode, NSUInteger mods);
+std::wstring NSStringToStringW(NSString* Str);
+NSString* StringWToNSString(const std::wstring& Str);