X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/3d42d707a1aca0fda2f9810ea36ec47d52f4b2c2..029c97915f5048d0e03b6fefe92b7829b336a65d:/lib/gui/ewidget.cpp diff --git a/lib/gui/ewidget.cpp b/lib/gui/ewidget.cpp index 023caa6a..19009fb9 100644 --- a/lib/gui/ewidget.cpp +++ b/lib/gui/ewidget.cpp @@ -6,15 +6,13 @@ extern void dumpRegion(const gRegion ®ion); 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(); @@ -23,12 +21,12 @@ eWidget::eWidget(eWidget *parent): m_animation(this), m_parent(parent ? parent-> 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; @@ -36,10 +34,11 @@ void eWidget::move(ePoint pos) invalidate(); m_position = pos; - event(evtChangedPosition); - recalcClipRegionsWhenVisible(); - + if (m_notify_child_on_position_change) + for (ePtrList::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(); @@ -55,17 +54,20 @@ void eWidget::resize(eSize size) only once. */ eSize old_size = m_size; eSize old_offset = m_client_offset; + m_client_size = size; m_client_offset = eSize(0, 0); 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::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) @@ -80,36 +82,52 @@ 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); + 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(); } @@ -117,7 +135,7 @@ void eWidget::show() 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() @@ -128,11 +146,12 @@ 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; @@ -140,9 +159,11 @@ void eWidget::hide() while (root && !root->m_desktop) { root = root->m_parent; + if (!root) + return; abspos += root->position(); } - assert(root->m_desktop); + ASSERT(root->m_desktop); gRegion abs = m_visible_with_childs; abs.moveBy(abspos); @@ -174,18 +195,35 @@ 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::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() @@ -199,18 +237,16 @@ 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::iterator i(m_childs.begin()); while (i != m_childs.end()) { - (*i)->m_parent = 0; - delete *i; + (*i)->parentRemoved(); i = m_childs.erase(i); } } @@ -218,7 +254,6 @@ eWidget::~eWidget() void eWidget::insertIntoParent() { ePtrList::iterator i = m_parent->m_childs.begin(); - for(;;) { if ((i == m_parent->m_childs.end()) || (i->m_z_position > m_z_position)) @@ -230,31 +265,29 @@ void eWidget::insertIntoParent() } } -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::iterator i(m_childs.begin()); i != m_childs.end(); ++i) - i->doPaint(painter, childs); - + i->doPaint(painter, childs, layer); painter.moveOffset(-position()); } @@ -271,10 +304,15 @@ void eWidget::recalcClipRegionsWhenVisible() break; } t = t->m_parent; - assert(t); + ASSERT(t); } while(1); } +void eWidget::parentRemoved() +{ + m_parent = 0; +} + int eWidget::event(int event, void *data, void *data2) { switch (event) @@ -282,8 +320,7 @@ int eWidget::event(int event, void *data, void *data2) case evtPaint: { gPainter &painter = *(gPainter*)data2; - -// eDebug("eWidget::evtPaint"); + // eDebug("eWidget::evtPaint"); // dumpRegion(*(gRegion*)data); if (!isTransparent()) { @@ -299,8 +336,12 @@ int eWidget::event(int event, void *data, void *data2) } } else { - if (m_have_background_color) - painter.setBackgroundColor(m_background_color); + eWidget *w = this; + while (w && !w->m_have_background_color) + w = w->m_parent; + + if (w) + painter.setBackgroundColor(w->m_background_color); } break; } @@ -310,10 +351,12 @@ int eWidget::event(int event, void *data, void *data2) m_size = *static_cast(data); break; case evtChangedSize: - { m_clip_region = gRegion(eRect(ePoint(0, 0), m_size)); break; - } + case evtParentChangedPosition: + for (ePtrList::iterator i(m_childs.begin()); i != m_childs.end(); ++i) + i->event(evtParentChangedPosition); + break; case evtFocusGot: m_focus_owner = (eWidget*)data; break; @@ -330,10 +373,15 @@ 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); } +void eWidget::notifyShowHide() +{ + event(evtParentVisibilityChanged); + for (ePtrList::iterator i(m_childs.begin()); i != m_childs.end(); ++i) + i->notifyShowHide(); +}