m_current_focus = 0;
m_focus_owner = 0;
+
+ m_notify_child_on_position_change = 1;
}
void eWidget::move(ePoint pos)
if (m_position == pos)
return;
+ /* ?? what about native move support? */
+ invalidate();
+
m_position = pos;
event(evtChangedPosition);
+
+ if (m_notify_child_on_position_change)
+ for (ePtrList<eWidget>::iterator i(m_childs.begin()); i != m_childs.end(); ++i)
+ i->event(evtParentChangedPosition);
+
recalcClipRegionsWhenVisible();
/* try native move if supported. */
invalidate();
event(evtChangedSize);
+
+ if (m_notify_child_on_position_change)
+ for (ePtrList<eWidget>::iterator i(m_childs.begin()); i != m_childs.end(); ++i)
+ i->event(evtParentChangedPosition); /* position/size is the same here */
+
recalcClipRegionsWhenVisible();
invalidate();
}
{
if (m_vis & wVisShow)
return;
-
- m_vis |= wVisShow;
+ m_vis |= wVisShow;
+
/* TODO: optimize here to only recalc what's required. possibly merge with hide. */
eWidget *root = this;
ePoint abspos = position();
while (root && !root->m_desktop)
{
root = root->m_parent;
- assert(root);
+ if (!root)
+ {
+ /* oops: our root widget does not have a desktop associated.
+ probably somebody already erased the root, but tries some
+ operations on a child window.
+
+ ignore them for now. */
+ /* assert(root); */
+ return;
+ }
abspos += root->position();
}
while (root && !root->m_desktop)
{
root = root->m_parent;
+ if (!root)
+ return;
abspos += root->position();
}
assert(root->m_desktop);
void eWidget::setTransparent(int transp)
{
- if (transp)
- m_vis |= wVisTransparent;
- else
- m_vis &=~wVisTransparent;
+ if (isTransparent() != transp)
+ {
+ if (transp)
+ m_vis |= wVisTransparent;
+ else
+ m_vis &=~wVisTransparent;
+ recalcClipRegionsWhenVisible();
+ }
+}
+
+ePoint eWidget::getAbsolutePosition()
+{
+ eWidget *root = this;
+ ePoint abspos = position();
+
+ while (root && !root->m_desktop)
+ {
+ root = root->m_parent;
+ assert(root);
+ abspos += root->position();
+ }
+
+ return abspos;
}
void eWidget::mayKillFocus()
m_parent = 0;
- /* destroy all childs */
+ /* tell all childs that the parent is not anymore existing */
ePtrList<eWidget>::iterator i(m_childs.begin());
while (i != m_childs.end())
{
- (*i)->m_parent = 0;
- delete *i;
+ (*i)->parentRemoved();
i = m_childs.erase(i);
}
}
} while(1);
}
+void eWidget::parentRemoved()
+{
+ m_parent = 0;
+}
+
int eWidget::event(int event, void *data, void *data2)
{
switch (event)
painter.setBackgroundColor(m_background_color);
painter.clear();
}
+ } else
+ {
+ eWidget *w = this;
+
+ while (w && !w->m_have_background_color)
+ w = w->m_parent;
+
+ if (w)
+ painter.setBackgroundColor(w->m_background_color);
}
break;
}
m_size = *static_cast<eSize*>(data);
break;
case evtChangedSize:
- {
m_clip_region = gRegion(eRect(ePoint(0, 0), m_size));
break;
- }
+ case evtParentChangedPosition:
+ for (ePtrList<eWidget>::iterator i(m_childs.begin()); i != m_childs.end(); ++i)
+ i->event(evtParentChangedPosition);
+ break;
case evtFocusGot:
m_focus_owner = (eWidget*)data;
break;