[gtk: 13/72] macos: add key equivalent helper

[Matthias Clasen <matthiasc src gnome org>]

commit aed279ed4eaac772b09d89feb7ccd1e058612649
Author: Christian Hergert <chergert redhat com>
Date:   Fri Oct 9 20:03:52 2020 -0700

    macos: add key equivalent helper
    
    This is needed by quartz code in gtk/.

 gdk/macos/gdkmacoskeymap-private.h |   1 +
 gdk/macos/gdkmacoskeymap.c         | 147 +++++++++++++++++++++++++++++++++++++
 2 files changed, 148 insertions(+)
---
diff --git a/gdk/macos/gdkmacoskeymap-private.h b/gdk/macos/gdkmacoskeymap-private.h
index 34ff21b225..ac0f2dd691 100644
--- a/gdk/macos/gdkmacoskeymap-private.h
+++ b/gdk/macos/gdkmacoskeymap-private.h
@@ -30,6 +30,7 @@ G_BEGIN_DECLS
 GdkMacosKeymap *_gdk_macos_keymap_new            (GdkMacosDisplay *display);
 GdkEventType    _gdk_macos_keymap_get_event_type (NSEvent         *event);
 gboolean        _gdk_macos_keymap_is_modifier    (guint            keycode);
+gunichar        _gdk_macos_keymap_get_equivalent (guint            key);
 
 G_END_DECLS
 
diff --git a/gdk/macos/gdkmacoskeymap.c b/gdk/macos/gdkmacoskeymap.c
index 0de006f377..4d54311874 100644
--- a/gdk/macos/gdkmacoskeymap.c
+++ b/gdk/macos/gdkmacoskeymap.c
@@ -696,3 +696,150 @@ _gdk_macos_keymap_is_modifier (guint keycode)
 
   return FALSE;
 }
+
+/*
+ * Code for key code conversion
+ *
+ * Copyright (C) 2009 Paul Davis
+ */
+gunichar
+_gdk_macos_keymap_get_equivalent (guint key)
+{
+  if (key >= GDK_KEY_A && key <= GDK_KEY_Z)
+    return key + (GDK_KEY_a - GDK_KEY_A);
+
+  if (key >= GDK_KEY_space && key <= GDK_KEY_asciitilde)
+    return key;
+
+  switch (key)
+    {
+      case GDK_KEY_BackSpace:
+        return NSBackspaceCharacter;
+      case GDK_KEY_Delete:
+        return NSDeleteFunctionKey;
+      case GDK_KEY_Pause:
+        return NSPauseFunctionKey;
+      case GDK_KEY_Scroll_Lock:
+        return NSScrollLockFunctionKey;
+      case GDK_KEY_Sys_Req:
+        return NSSysReqFunctionKey;
+      case GDK_KEY_Home:
+        return NSHomeFunctionKey;
+      case GDK_KEY_Left:
+      case GDK_KEY_leftarrow:
+        return NSLeftArrowFunctionKey;
+      case GDK_KEY_Up:
+      case GDK_KEY_uparrow:
+        return NSUpArrowFunctionKey;
+      case GDK_KEY_Right:
+      case GDK_KEY_rightarrow:
+        return NSRightArrowFunctionKey;
+      case GDK_KEY_Down:
+      case GDK_KEY_downarrow:
+        return NSDownArrowFunctionKey;
+      case GDK_KEY_Page_Up:
+        return NSPageUpFunctionKey;
+      case GDK_KEY_Page_Down:
+        return NSPageDownFunctionKey;
+      case GDK_KEY_End:
+        return NSEndFunctionKey;
+      case GDK_KEY_Begin:
+        return NSBeginFunctionKey;
+      case GDK_KEY_Select:
+        return NSSelectFunctionKey;
+      case GDK_KEY_Print:
+        return NSPrintFunctionKey;
+      case GDK_KEY_Execute:
+        return NSExecuteFunctionKey;
+      case GDK_KEY_Insert:
+        return NSInsertFunctionKey;
+      case GDK_KEY_Undo:
+        return NSUndoFunctionKey;
+      case GDK_KEY_Redo:
+        return NSRedoFunctionKey;
+      case GDK_KEY_Menu:
+        return NSMenuFunctionKey;
+      case GDK_KEY_Find:
+        return NSFindFunctionKey;
+      case GDK_KEY_Help:
+        return NSHelpFunctionKey;
+      case GDK_KEY_Break:
+        return NSBreakFunctionKey;
+      case GDK_KEY_Mode_switch:
+        return NSModeSwitchFunctionKey;
+      case GDK_KEY_F1:
+        return NSF1FunctionKey;
+      case GDK_KEY_F2:
+        return NSF2FunctionKey;
+      case GDK_KEY_F3:
+        return NSF3FunctionKey;
+      case GDK_KEY_F4:
+        return NSF4FunctionKey;
+      case GDK_KEY_F5:
+        return NSF5FunctionKey;
+      case GDK_KEY_F6:
+        return NSF6FunctionKey;
+      case GDK_KEY_F7:
+        return NSF7FunctionKey;
+      case GDK_KEY_F8:
+        return NSF8FunctionKey;
+      case GDK_KEY_F9:
+        return NSF9FunctionKey;
+      case GDK_KEY_F10:
+        return NSF10FunctionKey;
+      case GDK_KEY_F11:
+        return NSF11FunctionKey;
+      case GDK_KEY_F12:
+        return NSF12FunctionKey;
+      case GDK_KEY_F13:
+        return NSF13FunctionKey;
+      case GDK_KEY_F14:
+        return NSF14FunctionKey;
+      case GDK_KEY_F15:
+        return NSF15FunctionKey;
+      case GDK_KEY_F16:
+        return NSF16FunctionKey;
+      case GDK_KEY_F17:
+        return NSF17FunctionKey;
+      case GDK_KEY_F18:
+        return NSF18FunctionKey;
+      case GDK_KEY_F19:
+        return NSF19FunctionKey;
+      case GDK_KEY_F20:
+        return NSF20FunctionKey;
+      case GDK_KEY_F21:
+        return NSF21FunctionKey;
+      case GDK_KEY_F22:
+        return NSF22FunctionKey;
+      case GDK_KEY_F23:
+        return NSF23FunctionKey;
+      case GDK_KEY_F24:
+        return NSF24FunctionKey;
+      case GDK_KEY_F25:
+        return NSF25FunctionKey;
+      case GDK_KEY_F26:
+        return NSF26FunctionKey;
+      case GDK_KEY_F27:
+        return NSF27FunctionKey;
+      case GDK_KEY_F28:
+        return NSF28FunctionKey;
+      case GDK_KEY_F29:
+        return NSF29FunctionKey;
+      case GDK_KEY_F30:
+        return NSF30FunctionKey;
+      case GDK_KEY_F31:
+        return NSF31FunctionKey;
+      case GDK_KEY_F32:
+        return NSF32FunctionKey;
+      case GDK_KEY_F33:
+        return NSF33FunctionKey;
+      case GDK_KEY_F34:
+        return NSF34FunctionKey;
+      case GDK_KEY_F35:
+        return NSF35FunctionKey;
+      default:
+        break;
+    }
+
+  return '\0';
+}