From d6eac75eb2afc425ea20397a9c0c73337709c98f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Sat, 28 Mar 2009 16:13:43 +0000
Subject: [PATCH] * Imported Modifier() and KeyForModifier() from the Keymap
 class in the   keyboard input server add-on. We should really have a common
 source for this   somewhere... * Used that functionality to change the
 modifiers when using the mouse, too.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29756 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/preferences/keymap/KeyboardLayoutView.cpp | 18 ++++-
 src/preferences/keymap/Keymap.cpp             | 65 +++++++++++++++++++
 src/preferences/keymap/Keymap.h               |  4 ++
 3 files changed, 85 insertions(+), 2 deletions(-)

diff --git a/src/preferences/keymap/KeyboardLayoutView.cpp b/src/preferences/keymap/KeyboardLayoutView.cpp
index a1a2700be5..5c16084640 100644
--- a/src/preferences/keymap/KeyboardLayoutView.cpp
+++ b/src/preferences/keymap/KeyboardLayoutView.cpp
@@ -133,7 +133,14 @@ KeyboardLayoutView::MouseDown(BPoint point)
 	Key* key = _KeyAt(point);
 	if (key != NULL) {
 		fKeyState[key->code / 8] |= (1 << (7 - (key->code & 7)));
-		_InvalidateKey(key);
+		
+		if (fKeymap != NULL && fKeymap->IsModifierKey(key->code)) {
+			fModifiers |= fKeymap->Modifier(key->code);
+			Invalidate();
+
+			// TODO: if possible, we could handle the lock keys for real
+		} else
+			_InvalidateKey(key);
 	}
 }
 
@@ -148,7 +155,14 @@ KeyboardLayoutView::MouseUp(BPoint point)
 		if (_HandleDeadKey(key->code, fModifiers) && fDeadKey != 0)
 			return;
 
-		_InvalidateKey(key);
+		if (fKeymap != NULL && fKeymap->IsModifierKey(key->code)) {
+			int32 newModifiers = modifiers();
+			if (fModifiers != newModifiers) {
+				fModifiers = modifiers();
+				Invalidate();
+			}
+		} else
+			_InvalidateKey(key);
 
 		if (fDragKey == NULL && fKeymap != NULL) {
 			// Send fake key down message to target
diff --git a/src/preferences/keymap/Keymap.cpp b/src/preferences/keymap/Keymap.cpp
index 63a73a146d..d121e2208e 100644
--- a/src/preferences/keymap/Keymap.cpp
+++ b/src/preferences/keymap/Keymap.cpp
@@ -240,6 +240,71 @@ Keymap::IsModifierKey(uint32 keyCode)
 }
 
 
+//! We need to know a modifier for a key
+uint32 
+Keymap::Modifier(uint32 keyCode)
+{
+	if (keyCode == fKeys.caps_key)
+		return B_CAPS_LOCK;
+	if (keyCode == fKeys.num_key)
+		return B_NUM_LOCK;
+	if (keyCode == fKeys.scroll_key)
+		return B_SCROLL_LOCK;
+	if (keyCode == fKeys.left_shift_key)
+		return B_LEFT_SHIFT_KEY | B_SHIFT_KEY;
+	if (keyCode == fKeys.right_shift_key)
+		return B_RIGHT_SHIFT_KEY | B_SHIFT_KEY;
+	if (keyCode == fKeys.left_command_key)
+		return B_LEFT_COMMAND_KEY | B_COMMAND_KEY;
+	if (keyCode == fKeys.right_command_key)
+		return B_RIGHT_COMMAND_KEY | B_COMMAND_KEY;
+	if (keyCode == fKeys.left_control_key)
+		return B_LEFT_CONTROL_KEY | B_CONTROL_KEY;
+	if (keyCode == fKeys.right_control_key)
+		return B_RIGHT_CONTROL_KEY | B_CONTROL_KEY;
+	if (keyCode == fKeys.left_option_key)
+		return B_LEFT_OPTION_KEY | B_OPTION_KEY;
+	if (keyCode == fKeys.right_option_key)
+		return B_RIGHT_OPTION_KEY | B_OPTION_KEY;
+	if (keyCode == fKeys.menu_key)
+		return B_MENU_KEY;
+
+	return 0;
+}
+
+
+uint32
+Keymap::KeyForModifier(uint32 modifier)
+{
+	if (modifier == B_CAPS_LOCK)
+		return fKeys.caps_key;
+	if (modifier == B_NUM_LOCK)
+		return fKeys.num_key;
+	if (modifier == B_SCROLL_LOCK)
+		return fKeys.scroll_key;
+	if (modifier == B_LEFT_SHIFT_KEY || modifier == B_SHIFT_KEY)
+		return fKeys.left_shift_key;
+	if (modifier == B_RIGHT_SHIFT_KEY)
+		return fKeys.right_shift_key;
+	if (modifier == B_LEFT_COMMAND_KEY || modifier == B_COMMAND_KEY)
+		return fKeys.left_command_key;
+	if (modifier == B_RIGHT_COMMAND_KEY)
+		return fKeys.right_command_key;
+	if (modifier == B_LEFT_CONTROL_KEY || modifier == B_CONTROL_KEY)
+		return fKeys.left_control_key;
+	if (modifier == B_RIGHT_CONTROL_KEY)
+		return fKeys.right_control_key;
+	if (modifier == B_LEFT_OPTION_KEY || modifier == B_OPTION_KEY)
+		return fKeys.left_option_key;
+	if (modifier == B_RIGHT_OPTION_KEY)
+		return fKeys.right_option_key;
+	if (modifier == B_MENU_KEY)
+		return fKeys.menu_key;
+
+	return 0;
+}
+
+
 //! Checks whether a key is a dead key.
 uint8
 Keymap::IsDeadKey(uint32 keyCode, uint32 modifiers)
diff --git a/src/preferences/keymap/Keymap.h b/src/preferences/keymap/Keymap.h
index 1f5e6afeae..6746949674 100644
--- a/src/preferences/keymap/Keymap.h
+++ b/src/preferences/keymap/Keymap.h
@@ -27,7 +27,11 @@ public:
 			status_t		Save(entry_ref& ref);
 
 			void			DumpKeymap();
+
 			bool			IsModifierKey(uint32 keyCode);
+			uint32			Modifier(uint32 keyCode);
+			uint32			KeyForModifier(uint32 modifier);
+
 			uint8			IsDeadKey(uint32 keyCode, uint32 modifiers);
 			bool			IsDeadSecondKey(uint32 keyCode, uint32 modifiers,
 								uint8 activeDeadKey);