From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 10 Sep 2019 08:40:37 +0000 (+0300)
Subject: Pass modifier state to key_press and key_release functions
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=6e5db3e5ba48b5e68efd38360a20ce127cd23578;p=libs%2Fgltk.git

Pass modifier state to key_press and key_release functions
---

diff --git a/source/systemkeyboardinput.cpp b/source/systemkeyboardinput.cpp
index f5657bd..a991832 100644
--- a/source/systemkeyboardinput.cpp
+++ b/source/systemkeyboardinput.cpp
@@ -7,7 +7,8 @@ namespace GLtk {
 
 SystemKeyboardInput::SystemKeyboardInput(Root &r, Input::Keyboard &k):
 	InputMethod(r),
-	keyboard(k)
+	keyboard(k),
+	modifier_state(0)
 {
 	keyboard.signal_button_press.connect(sigc::mem_fun(this, &SystemKeyboardInput::key_press));
 	keyboard.signal_button_release.connect(sigc::mem_fun(this, &SystemKeyboardInput::key_release));
@@ -19,8 +20,14 @@ bool SystemKeyboardInput::key_press(unsigned key)
 	if(!root.is_visible())
 		return false;
 
-	// TODO modifiers
-	if(root.key_press(key, 0))
+	if(key==Input::KEY_SHIFT_L || key==Input::KEY_SHIFT_R)
+		modifier_state |= MOD_SHIFT;
+	else if(key==Input::KEY_CTRL_L || key==Input::KEY_CTRL_R)
+		modifier_state |= MOD_CTRL;
+	else if(key==Input::KEY_ALT_L || key==Input::KEY_ALT_R)
+		modifier_state |= MOD_ALT;
+
+	if(root.key_press(key, modifier_state))
 		return true;
 	
 	switch(key)
@@ -41,7 +48,18 @@ bool SystemKeyboardInput::key_press(unsigned key)
 bool SystemKeyboardInput::key_release(unsigned key)
 {
 	if(root.is_visible())
-		return root.key_release(key, 0);
+	{
+		bool result = root.key_release(key, modifier_state);
+
+		if(key==Input::KEY_SHIFT_L || key==Input::KEY_SHIFT_R)
+			modifier_state &= ~MOD_SHIFT;
+		else if(key==Input::KEY_CTRL_L || key==Input::KEY_CTRL_R)
+			modifier_state &= ~MOD_CTRL;
+		else if(key==Input::KEY_ALT_L || key==Input::KEY_ALT_R)
+			modifier_state &= ~MOD_ALT;
+
+		return result;
+	}
 	else
 		return false;
 }
diff --git a/source/systemkeyboardinput.h b/source/systemkeyboardinput.h
index ae988ca..1b37e54 100644
--- a/source/systemkeyboardinput.h
+++ b/source/systemkeyboardinput.h
@@ -11,6 +11,7 @@ class SystemKeyboardInput: public InputMethod, public sigc::trackable
 {
 private:
 	Input::Keyboard &keyboard;
+	unsigned modifier_state;
 
 public:
 	SystemKeyboardInput(Root &, Input::Keyboard &);