X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/44433f650cd3e5f9f66253b74d194fcb01578595..4085402550f7816a15ac1be4cf46b46e48369562:/lib/gui/ewidget.cpp diff --git a/lib/gui/ewidget.cpp b/lib/gui/ewidget.cpp index 3ba248ff..a302cbc6 100644 --- a/lib/gui/ewidget.cpp +++ b/lib/gui/ewidget.cpp @@ -3,38 +3,45 @@ extern void dumpRegion(const gRegion ®ion); -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_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) { - m_parent->m_childs.push_back(this); + insertIntoParent(); m_parent->getStyle(m_style); } + + 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; - - 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. */ + + /* ?? what about native move support? */ invalidate(); + + m_position = pos; event(evtChangedPosition); - recalcClipRegionsWhenVisible(); - invalidate(); + 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(); } void eWidget::resize(eSize size) @@ -46,16 +53,20 @@ 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); - 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) @@ -70,44 +81,60 @@ 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(); } - root->m_desktop->recalcClipRegions(); + root->m_desktop->recalcClipRegions(root); 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() @@ -118,11 +145,12 @@ 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; @@ -130,6 +158,8 @@ void eWidget::hide() while (root && !root->m_desktop) { root = root->m_parent; + if (!root) + return; abspos += root->position(); } assert(root->m_desktop); @@ -137,7 +167,7 @@ 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); } @@ -150,53 +180,113 @@ 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::setTransparent(int transp) +{ + 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() +{ + setFocus(0); + /* when we have the focus, remove it first. */ + if (m_focus_owner) + m_focus_owner->setFocus(0); +} + 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); } } -void eWidget::doPaint(gPainter &painter, const gRegion &r) +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)) + { + m_parent->m_childs.insert(i, this); + return; + } + ++i; + } +} + +void eWidget::doPaint(gPainter &painter, const gRegion &r, int layer) { if (m_visible_with_childs.empty()) return; - - gRegion region = r; + gRegion region = r, childs = r; /* we were in parent's space, now we are in local space */ region.moveBy(-position()); - painter.moveOffset(position()); - /* walk all childs */ - for (ePtrList::iterator i(m_childs.begin()); i != m_childs.end(); ++i) - i->doPaint(painter, region); - /* 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, layer); painter.moveOffset(-position()); } @@ -209,7 +299,7 @@ void eWidget::recalcClipRegionsWhenVisible() break; if (t->m_desktop) { - t->m_desktop->recalcClipRegions(); + t->m_desktop->recalcClipRegions(t); break; } t = t->m_parent; @@ -217,6 +307,11 @@ void eWidget::recalcClipRegionsWhenVisible() } while(1); } +void eWidget::parentRemoved() +{ + m_parent = 0; +} + int eWidget::event(int event, void *data, void *data2) { switch (event) @@ -224,18 +319,28 @@ 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 (!m_have_background_color) + if (!isTransparent()) { - ePtr style; - if (!getStyle(style)) - style->paintBackground(painter, ePoint(0, 0), size()); + if (!m_have_background_color) + { + ePtr style; + if (!getStyle(style)) + style->paintBackground(painter, ePoint(0, 0), size()); + } else + { + painter.setBackgroundColor(m_background_color); + painter.clear(); + } } else { - painter.setBackgroundColor(m_background_color); - painter.clear(); + eWidget *w = this; + while (w && !w->m_have_background_color) + w = w->m_parent; + + if (w) + painter.setBackgroundColor(w->m_background_color); } break; } @@ -245,13 +350,37 @@ 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; + 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); +} + +void eWidget::notifyShowHide() +{ + event(evtParentVisibilityChanged); + for (ePtrList::iterator i(m_childs.begin()); i != m_childs.end(); ++i) + i->notifyShowHide(); +}