Add an input method subsystem

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

diff --git a/source/widget.cpp b/source/widget.cpp
index 59105b949b3e09d027b6c9a78ed34e228f764aa2..5fc208268d06e117d7b181b6542154fbf47eb450 100644 (file)
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -14,7 +14,7 @@ Widget::Widget():
        style(0),
        state(NORMAL),
        visible(true),
-       focusable(true),
+       input_type(INPUT_NONE),
        parent(0)
 { }
 
@@ -39,13 +39,18 @@ void Widget::set_size(unsigned w, unsigned h)
 }
 
 void Widget::autosize()
+{
+       Geometry ageom;
+       autosize(ageom);
+       set_geometry(ageom);
+}
+
+void Widget::autosize(Geometry &ageom) const
 {
        if(!style)
                return;
 
-       Geometry ageom;
-       ageom.x = geom.x;
-       ageom.y = geom.y;
+       ageom = Geometry(geom.x, geom.y, 0, 0);
        const Style::PartSeq &parts = style->get_parts();
        for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i)
        {
@@ -59,8 +64,6 @@ void Widget::autosize()
                else
                        autosize_special(*i, ageom);
        }
-
-       set_geometry(ageom);
 }
 
 void Widget::set_geometry(const Geometry &g)
@@ -159,7 +162,7 @@ void Widget::set_visible(bool v)
 
 void Widget::set_focusable(bool f)
 {
-       focusable = f;
+       input_type = (f ? INPUT_TEXT : INPUT_NONE);
 }
 
 void Widget::set_focus()
@@ -179,8 +182,10 @@ void Widget::set_enabled(bool e)
 
 void Widget::set_state(State mask, State bits)
 {
+       State old_state = state;
        state = (state&~mask)|bits;
-       rebuild();
+       if(style && style->compare_states(old_state, state))
+               rebuild();
 }
 
 void Widget::rebuild()
@@ -188,7 +193,7 @@ void Widget::rebuild()
        if(!style)
                return;
 
-       part_cache.clear();
+       part_cache.begin_rebuild();
        const Style::PartSeq &parts = style->get_parts();
        for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i)
        {
@@ -197,6 +202,7 @@ void Widget::rebuild()
                else
                        rebuild_special(*i);
        }
+       part_cache.end_rebuild();
 }
 
 void Widget::rebuild_special(const Part &part)
@@ -234,6 +240,24 @@ void Widget::pointer_leave()
        clear_state(HOVER);
 }
 
+void Widget::touch_press(int x, int y, unsigned finger)
+{
+       if(finger==0)
+               button_press(x, y, 1);
+}
+
+void Widget::touch_release(int x, int y, unsigned finger)
+{
+       if(finger==0)
+               button_release(x, y, 1);
+}
+
+void Widget::touch_motion(int x, int y, unsigned finger)
+{
+       if(finger==0)
+               pointer_motion(x, y);
+}
+
 void Widget::focus_in()
 {
        set_state(FOCUS);