From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 17 Sep 2019 11:55:09 +0000 (+0300)
Subject: Select list items upon navigation by default
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=b3de715986f0e5b6359a2109c27d052c3d9cc27a;p=libs%2Fgltk.git

Select list items upon navigation by default

With control pressed, only the focus is moved.
---

diff --git a/source/list.cpp b/source/list.cpp
index a9cbcc1..5d179e1 100644
--- a/source/list.cpp
+++ b/source/list.cpp
@@ -2,6 +2,7 @@
 #include <msp/debug/demangle.h>
 #include <msp/gl/matrix.h>
 #include <msp/gl/meshbuilder.h>
+#include <msp/input/keys.h>
 #include "graphic.h"
 #include "list.h"
 #include "part.h"
@@ -234,6 +235,18 @@ void List::render_special(const Part &part, GL::Renderer &renderer) const
 		slider.render(renderer);
 }
 
+bool List::key_press(unsigned key, unsigned mod)
+{
+	if(key==Input::KEY_UP && mod==MOD_CTRL)
+		move_focus(NAV_UP, false);
+	else if(key==Input::KEY_DOWN && mod==MOD_CTRL)
+		move_focus(NAV_DOWN, false);
+	else
+		return false;
+
+	return true;
+}
+
 void List::button_press(int x, int y, unsigned btn)
 {
 	if(btn==4 || btn==5)
@@ -328,22 +341,31 @@ void List::focus_in()
 
 bool List::navigate(Navigation nav)
 {
-	if(nav==NAV_UP && !items.empty())
+	if((nav==NAV_UP || nav==NAV_DOWN) && !items.empty())
+		move_focus(nav, true);
+	else if(nav==NAV_ACTIVATE)
+		set_selected_index(focus_index);
+	else
+		return false;
+
+	return true;
+}
+
+void List::move_focus(Navigation nav, bool select)
+{
+	if(nav==NAV_UP)
 	{
 		if(focus_index>0)
 			set_focus_index(focus_index-1);
 	}
-	else if(nav==NAV_DOWN && !items.empty())
+	else if(nav==NAV_DOWN)
 	{
 		if(static_cast<unsigned>(focus_index+1)<items.size())
 			set_focus_index(focus_index+1);
 	}
-	else if(nav==NAV_ACTIVATE)
-		set_selected_index(focus_index);
-	else
-		return false;
 
-	return true;
+	if(select)
+		set_selected_index(focus_index);
 }
 
 void List::set_focus_index(int i)
diff --git a/source/list.h b/source/list.h
index c0ea6d2..3701387 100644
--- a/source/list.h
+++ b/source/list.h
@@ -194,6 +194,7 @@ private:
 	virtual void render_special(const Part &, GL::Renderer &) const;
 
 public:
+	virtual bool key_press(unsigned, unsigned);
 	virtual void button_press(int, int, unsigned);
 	virtual void touch_press(int, int, unsigned);
 	virtual void touch_release(int, int, unsigned);
@@ -201,6 +202,7 @@ public:
 	virtual void focus_in();
 	virtual bool navigate(Navigation);
 private:
+	void move_focus(Navigation, bool);
 	void set_focus_index(int);
 
 	void item_autosize_changed(Item *);