eWidget::eWidget(eWidget *parent): m_animation(this), m_parent(parent ? parent->child() : 0)
{
m_vis = 0;
+ m_layer = 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)
{
insertIntoParent();
m_current_focus = 0;
m_focus_owner = 0;
+ m_notify_child_on_position_change = 1;
}
void eWidget::move(ePoint pos)
{
pos = pos + m_client_offset;
-
if (m_position == pos)
return;
+ /* ?? what about native move support? */
+ invalidate();
+
m_position = pos;
-
event(evtChangedPosition);
- recalcClipRegionsWhenVisible();
-
+ 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. */
if ((m_vis & wVisShow) && ((!m_desktop) || m_desktop->movedWidget(this)))
invalidate();
event(evtWillChangeSize, &size, &m_client_offset);
if (old_size == m_size)
return;
-
move(position() - old_offset);
-
invalidate();
event(evtChangedSize);
- recalcClipRegionsWhenVisible();
- invalidate();
+
+ 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();
}
void eWidget::invalidate(const gRegion ®ion)
if (res.empty())
return;
-
eWidget *root = this;
ePoint abspos = position();
+ int target_layer = m_layer;
+
while (root && !root->m_desktop)
{
root = root->m_parent;
assert(root);
+ if (root->m_layer != -1)
+ target_layer = root->m_layer;
abspos += root->position();
}
-
res.moveBy(abspos);
// eDebug("region to invalidate:");
// dumpRegion(res);
- root->m_desktop->invalidate(res);
+ root->m_desktop->invalidate(res, this, target_layer);
}
void eWidget::show()
{
if (m_vis & wVisShow)
return;
-
- m_vis |= wVisShow;
+
+ m_vis |= wVisShow;
+// eDebug("show widget %p", this);
+ notifyShowHide();
/* TODO: optimize here to only recalc what's required. possibly merge with hide. */
eWidget *root = this;
ePoint abspos = position();
+ int target_layer = m_layer;
+
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;
+ }
+ if (root->m_layer != -1)
+ target_layer = root->m_layer;
abspos += root->position();
}
gRegion abs = m_visible_with_childs;
abs.moveBy(abspos);
- root->m_desktop->invalidate(abs);
+ root->m_desktop->invalidate(abs, this, target_layer);
}
void eWidget::hide()
if (!(m_vis & wVisShow))
return;
m_vis &= ~wVisShow;
-
+
/* this is a workaround to the above problem. when we are in the delete phase,
don't hide childs. */
if (!(m_parent || m_desktop))
return;
+ notifyShowHide();
/* TODO: optimize here to only recalc what's required. possibly merge with show. */
eWidget *root = this;
while (root && !root->m_desktop)
{
root = root->m_parent;
+ if (!root)
+ return;
abspos += root->position();
}
assert(root->m_desktop);
m_z_position = z;
if (!m_parent)
return;
-
m_parent->m_childs.remove(this);
-
insertIntoParent(); /* now at the new Z position */
}
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()
eWidget::~eWidget()
{
hide();
-
if (m_parent)
m_parent->m_childs.remove(this);
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);
}
}
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))
}
}
-void eWidget::doPaint(gPainter &painter, const gRegion &r)
+void eWidget::doPaint(gPainter &painter, const gRegion &r, int layer)
{
if (m_visible_with_childs.empty())
return;
-
gRegion region = r, childs = r;
/* we were in parent's space, now we are in local space */
region.moveBy(-position());
-
painter.moveOffset(position());
-
/* check if there's anything for us to paint */
- region &= m_visible_region;
-
- if (!region.empty())
+ if (layer == m_layer)
{
- painter.resetClip(region);
- event(evtPaint, ®ion, &painter);
+ region &= m_visible_region;
+ if (!region.empty())
+ {
+ painter.resetClip(region);
+ event(evtPaint, ®ion, &painter);
+ }
}
childs.moveBy(-position());
/* walk all childs */
for (ePtrList<eWidget>::iterator i(m_childs.begin()); i != m_childs.end(); ++i)
- i->doPaint(painter, childs);
-
+ i->doPaint(painter, childs, layer);
painter.moveOffset(-position());
}
} while(1);
}
+void eWidget::parentRemoved()
+{
+ m_parent = 0;
+}
+
int eWidget::event(int event, void *data, void *data2)
{
switch (event)
case evtPaint:
{
gPainter &painter = *(gPainter*)data2;
-
-// eDebug("eWidget::evtPaint");
+ // eDebug("eWidget::evtPaint");
// dumpRegion(*(gRegion*)data);
if (!isTransparent())
{
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;
{
if (m_current_focus)
m_current_focus->event(evtFocusLost, this);
-
m_current_focus = focus;
if (m_current_focus)
m_current_focus->event(evtFocusGot, this);
}
+void eWidget::notifyShowHide()
+{
+ event(evtParentVisibilityChanged);
+ for (ePtrList<eWidget>::iterator i(m_childs.begin()); i != m_childs.end(); ++i)
+ i->notifyShowHide();
+}
git.cweiske.de / enigma2.git / blobdiff