Implement keyboard navigation for most widgets

[libs/gltk.git] / source / toggle.cpp

diff --git a/source/toggle.cpp b/source/toggle.cpp
index e34b43ae38cc743ef721216e5b3d41b1b662ce26..b0219fc82f8ec764b072404d067a2a1009daa392 100644 (file)
--- a/source/toggle.cpp
+++ b/source/toggle.cpp
@@ -14,24 +14,14 @@ Toggle::Toggle(const string &t):
        value(false),
        exclusive(false)
 {
+       input_type = INPUT_NAVIGATION;
        set_text(t);
 }
 
-void Toggle::autosize()
+void Toggle::autosize_special(const Part &part, Geometry &ageom) const
 {
-       if(!style)
-               return;
-
-       Widget::autosize();
-
-       if(const Part *text_part = style->get_part("text"))
-       {
-               const Sides &margin = text_part->get_margin();
-               geom.w = max(geom.w, text.get_width()+margin.left+margin.right);
-               geom.h = max(geom.h, text.get_height()+margin.top+margin.bottom);
-       }
-
-       rebuild();
+       if(part.get_name()=="text")
+               text.autosize(part, ageom);
 }
 
 void Toggle::set_text(const string &t)
@@ -59,6 +49,8 @@ void Toggle::exclude_siblings()
 
 void Toggle::set_value(bool v)
 {
+       bool old_value = value;
+
        value = v;
        if(value)
        {
@@ -68,12 +60,15 @@ void Toggle::set_value(bool v)
        }
        else
                clear_state(ACTIVE);
+
+       if(value!=old_value)
+               signal_toggled.emit(value);
 }
 
-void Toggle::rebuild_special(const Part &part, CachedPart &cache)
+void Toggle::rebuild_special(const Part &part)
 {
        if(part.get_name()=="text")
-               text.build(part, geom, cache);
+               text.build(part, state, geom, part_cache);
 }
 
 void Toggle::button_press(int, int, unsigned btn)
@@ -87,15 +82,24 @@ void Toggle::button_release(int x, int y, unsigned btn)
        if(pressed && btn==1)
        {
                if(geom.is_inside_relative(x, y) && (!value || !exclusive))
-               {
                        set_value(!value);
-                       signal_toggled.emit(value);
-               }
 
                pressed = false;
        }
 }
 
+bool Toggle::navigate(Navigation nav)
+{
+       if(nav==NAV_ACTIVATE)
+       {
+               if(!value || !exclusive)
+                       set_value(!value);
+               return true;
+       }
+
+       return false;
+}
+
 void Toggle::on_style_change()
 {
        text.set_style(style);