fix linked tuners (i hope)
[enigma2.git] / lib / gui / ewidget.cpp
index 3ba248f..b047f5f 100644 (file)
@@ -3,38 +3,43 @@
 
 extern void dumpRegion(const gRegion &region);
 
-eWidget::eWidget(eWidget *parent): m_parent(parent ? parent->child() : 0)
+eWidget::eWidget(eWidget *parent): m_animation(this), m_parent(parent ? parent->child() : 0)
 {
        m_vis = 0;
        m_desktop = 0;
        m_have_background_color = 0;
+       m_z_position = 0;
+       
+       m_client_offset = eSize(0, 0);
        
        if (m_parent)
                m_vis = wVisShow;
-               
+       
        if (m_parent)
        {
-               m_parent->m_childs.push_back(this);
+               insertIntoParent();
                m_parent->getStyle(m_style);
        }
+
+       m_current_focus = 0;
+       m_focus_owner = 0;
 }
 
 void eWidget::move(ePoint pos)
 {
+       pos = pos + m_client_offset;
+       
        if (m_position == pos)
                return;
-       
+
        m_position = pos;
        
-               /* we invalidate before and after the move to
-                  cause a correct redraw. The area which is
-                  included both before and after isn't redrawn
-                  twice because a invalidate doesn't immediately
-                  redraws the region. */
-       invalidate();
        event(evtChangedPosition);
-       recalcClipRegionsWhenVisible(); 
-       invalidate();
+       recalcClipRegionsWhenVisible();
+       
+               /* try native move if supported. */
+       if ((m_vis & wVisShow) && ((!m_desktop) || m_desktop->movedWidget(this)))
+               invalidate();
 }
 
 void eWidget::resize(eSize size)
@@ -46,11 +51,13 @@ void eWidget::resize(eSize size)
                   fits into the other completely, and invalidate
                   only once. */
        eSize old_size = m_size;
-       eSize offset = eSize(0, 0);
-       event(evtWillChangeSize, &size, &offset);
+       eSize old_offset = m_client_offset;
+       m_client_offset = eSize(0, 0);
+       event(evtWillChangeSize, &size, &m_client_offset);
        if (old_size == m_size)
                return;
-       move(position() + offset);
+       
+       move(position() - old_offset);
        
        invalidate();
        event(evtChangedSize);
@@ -103,7 +110,7 @@ void eWidget::show()
                abspos += root->position();
        }
 
-       root->m_desktop->recalcClipRegions();
+       root->m_desktop->recalcClipRegions(root);
 
        gRegion abs = m_visible_with_childs;
        abs.moveBy(abspos);
@@ -137,7 +144,7 @@ void eWidget::hide()
        gRegion abs = m_visible_with_childs;
        abs.moveBy(abspos);
 
-       root->m_desktop->recalcClipRegions();
+       root->m_desktop->recalcClipRegions(root);
        root->m_desktop->invalidate(abs);
 }
 
@@ -150,11 +157,34 @@ void eWidget::destruct()
 
 void eWidget::setBackgroundColor(const gRGB &col)
 {
-       eDebug("set background color in ewidget!");
        m_background_color = col;
        m_have_background_color = 1;
 }
 
+void eWidget::clearBackgroundColor()
+{
+       m_have_background_color = 0;
+}
+
+void eWidget::setZPosition(int z)
+{
+       m_z_position = z;
+       if (!m_parent)
+               return;
+       
+       m_parent->m_childs.remove(this);
+       
+       insertIntoParent(); /* now at the new Z position */
+}
+
+void eWidget::mayKillFocus()
+{
+       setFocus(0);
+               /* when we have the focus, remove it first. */
+       if (m_focus_owner)
+               m_focus_owner->setFocus(0);
+}
+
 eWidget::~eWidget()
 {
        hide();
@@ -174,6 +204,21 @@ eWidget::~eWidget()
        }
 }
 
+void eWidget::insertIntoParent()
+{
+       ePtrList<eWidget>::iterator i = m_parent->m_childs.begin();
+       
+       for(;;)
+       {
+               if ((i == m_parent->m_childs.end()) || (i->m_z_position > m_z_position))
+               {
+                       m_parent->m_childs.insert(i, this);
+                       return;
+               }
+               ++i;
+       }
+}
+
 void eWidget::doPaint(gPainter &painter, const gRegion &r)
 {
        if (m_visible_with_childs.empty())
@@ -209,7 +254,7 @@ void eWidget::recalcClipRegionsWhenVisible()
                        break;
                if (t->m_desktop)
                {
-                       t->m_desktop->recalcClipRegions();
+                       t->m_desktop->recalcClipRegions(t);
                        break;
                }
                t = t->m_parent;
@@ -249,9 +294,26 @@ int eWidget::event(int event, void *data, void *data2)
                m_clip_region = gRegion(eRect(ePoint(0, 0),  m_size));
                break;
        }
+       case evtFocusGot:
+               m_focus_owner = (eWidget*)data;
+               break;
+       case evtFocusLost:
+               m_focus_owner = 0;
+               break;
        default:
                return -1;
        }
        return 0;
 }
 
+void eWidget::setFocus(eWidget *focus)
+{
+       if (m_current_focus)
+               m_current_focus->event(evtFocusLost, this);
+       
+       m_current_focus = focus;
+
+       if (m_current_focus)
+               m_current_focus->event(evtFocusGot, this);
+}
+