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change ui event handling

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This commit is contained in:
Eduardo Bart
2011-08-22 09:44:26 -03:00
parent 30de60c562
commit 8fb07afc10
19 changed files with 214 additions and 359 deletions
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151
src/framework/ui/uiwidget.cpp
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@@ -9,9 +9,8 @@
#include <framework/graphics/graphics.h>
#include "uianchor.h"
UIWidget::UIWidget(UIWidgetType type)
UIWidget::UIWidget()
{
m_type = type;
m_visible = true;
m_enabled = true;
m_hovered = false;
@@ -37,12 +36,6 @@ UIWidget::~UIWidget()
logWarning("widget '", m_id, "' was destructed without being explicit destroyed");
}
UIWidgetPtr UIWidget::create()
{
UIWidgetPtr widget(new UIWidget);
return widget;
}
void UIWidget::destroy()
{
//TODO: onDestroy event
@@ -86,7 +79,7 @@ void UIWidget::destroyCheck()
logWarning("destroyed widget with id '",m_id,"', but it still have ",realUseCount," references left");
}
void UIWidget::loadStyleFromOTML(const OTMLNodePtr& styleNode)
void UIWidget::onStyleApply(const OTMLNodePtr& styleNode)
{
assert(!m_destroyed);
@@ -236,7 +229,7 @@ void UIWidget::setStyle(const std::string& styleName)
{
try {
OTMLNodePtr styleNode = g_ui.getStyle(styleName);
loadStyleFromOTML(styleNode);
onStyleApply(styleNode);
// forces layout recalculation
updateLayout();
@@ -260,10 +253,9 @@ void UIWidget::setRect(const Rect& rect)
UIWidgetPtr self = asUIWidget();
g_dispatcher.addEvent([self, oldRect]() {
self->m_updateEventScheduled = false;
UIRectUpdateEvent e(oldRect, self->getRect());
// this widget could be destroyed before the event happens
if(!self->isDestroyed())
self->onRectUpdate(e);
self->onGeometryUpdate(oldRect, self->getRect());
});
m_updateEventScheduled = true;
}
@@ -431,7 +423,7 @@ UIWidgetPtr UIWidget::backwardsGetWidgetById(const std::string& id)
return widget;
}
void UIWidget::focusChild(const UIWidgetPtr& focusedChild, FocusReason reason)
void UIWidget::focusChild(const UIWidgetPtr& focusedChild, UI::FocusReason reason)
{
assert(!m_destroyed);
@@ -439,14 +431,10 @@ void UIWidget::focusChild(const UIWidgetPtr& focusedChild, FocusReason reason)
UIWidgetPtr oldFocused = m_focusedChild;
m_focusedChild = focusedChild;
if(oldFocused) {
UIFocusEvent e(reason, false);
oldFocused->onFocusChange(e);
}
if(focusedChild) {
UIFocusEvent e(reason, focusedChild->hasFocus());
focusedChild->onFocusChange(e);
}
if(oldFocused)
oldFocused->onFocusChange(false, reason);
if(focusedChild)
focusedChild->onFocusChange(focusedChild->hasFocus(), reason);
}
}
@@ -469,7 +457,7 @@ void UIWidget::addChild(const UIWidgetPtr& childToAdd)
// always focus new children
if(childToAdd->isFocusable() && childToAdd->isExplicitlyVisible() && childToAdd->isExplicitlyEnabled())
focusChild(childToAdd, ActiveFocusReason);
focusChild(childToAdd, UI::ActiveFocusReason);
}
void UIWidget::insertChild(const UIWidgetPtr& childToInsert, int index)
@@ -506,7 +494,7 @@ void UIWidget::removeChild(const UIWidgetPtr& childToRemove)
// defocus if needed
if(m_focusedChild == childToRemove)
focusChild(nullptr, ActiveFocusReason);
focusChild(nullptr, UI::ActiveFocusReason);
// try to unlock
unlockChild(childToRemove);
@@ -521,14 +509,13 @@ void UIWidget::removeChild(const UIWidgetPtr& childToRemove)
childToRemove->setParent(nullptr);
// recalculate anchors
UIWidgetPtr parent = getRootParent();
parent->recalculateAnchoredWidgets();
getRootParent()->recalculateAnchoredWidgets();
// may need to update children layout
updateChildrenLayout();
}
void UIWidget::focusNextChild(FocusReason reason)
void UIWidget::focusNextChild(UI::FocusReason reason)
{
assert(!m_destroyed);
@@ -578,7 +565,7 @@ void UIWidget::lockChild(const UIWidgetPtr& childToLock)
// lock child focus
if(childToLock->isFocusable())
focusChild(childToLock, ActiveFocusReason);
focusChild(childToLock, UI::ActiveFocusReason);
}
void UIWidget::unlockChild(const UIWidgetPtr& childToUnlock)
@@ -827,18 +814,26 @@ void UIWidget::computeAnchoredWidgets()
child->computeAnchoredWidgets();
}
void UIWidget::onFocusChange(UIFocusEvent& event)
void UIWidget::onGeometryUpdate(const Rect& oldRect, const Rect& newRect)
{
}
void UIWidget::onFocusChange(bool focused, UI::FocusReason reason)
{
if(m_focusedChild)
m_focusedChild->onFocusChange(event);
m_focusedChild->onFocusChange(focused, reason);
}
void UIWidget::onKeyPress(UIKeyEvent& event)
void UIWidget::onHoverChange(bool hovered)
{
}
bool UIWidget::onKeyPress(uchar keyCode, char keyChar, int keyboardModifiers)
{
assert(!m_destroyed);
event.ignore();
// do a backup of children list, because it may change while looping it
UIWidgetList children = m_children;
for(const UIWidgetPtr& child : children) {
@@ -847,21 +842,18 @@ void UIWidget::onKeyPress(UIKeyEvent& event)
// key events go only to containers or focused child
if(child->hasChildren() || (child->isFocusable() && child->hasFocus())) {
event.accept();
child->onKeyPress(event);
if(child->onKeyPress(keyCode, keyChar, keyboardModifiers))
return true;
}
if(event.isAccepted())
break;
}
return false;
}
void UIWidget::onKeyRelease(UIKeyEvent& event)
bool UIWidget::onKeyRelease(uchar keyCode, char keyChar, int keyboardModifiers)
{
assert(!m_destroyed);
event.ignore();
// do a backup of children list, because it may change while looping it
UIWidgetList children = m_children;
for(const UIWidgetPtr& child : children) {
@@ -870,21 +862,18 @@ void UIWidget::onKeyRelease(UIKeyEvent& event)
// key events go only to containers or focused child
if(child->hasChildren() || (child->isFocusable() && child->hasFocus())) {
event.accept();
child->onKeyRelease(event);
if(child->onKeyRelease(keyCode, keyChar, keyboardModifiers))
return true;
}
if(event.isAccepted())
break;
}
return false;
}
void UIWidget::onMousePress(UIMouseEvent& event)
bool UIWidget::onMousePress(const Point& mousePos, UI::MouseButton button)
{
assert(!m_destroyed);
event.ignore();
// do a backup of children list, because it may change while looping it
UIWidgetList children = m_children;
for(const UIWidgetPtr& child : children) {
@@ -892,26 +881,23 @@ void UIWidget::onMousePress(UIMouseEvent& event)
continue;
// mouse press events only go to children that contains the mouse position
if(child->getRect().contains(event.pos()) && child == getChildByPos(event.pos())) {
if(child->getRect().contains(mousePos) && child == getChildByPos(mousePos)) {
// focus it
if(child->isFocusable())
focusChild(child, MouseFocusReason);
focusChild(child, UI::MouseFocusReason);
event.accept();
child->onMousePress(event);
if(child->onMousePress(mousePos, button))
return true;
}
if(event.isAccepted())
break;
}
return false;
}
void UIWidget::onMouseRelease(UIMouseEvent& event)
bool UIWidget::onMouseRelease(const Point& mousePos, UI::MouseButton button)
{
assert(!m_destroyed);
event.ignore();
// do a backup of children list, because it may change while looping it
UIWidgetList children = m_children;
for(const UIWidgetPtr& child : children) {
@@ -919,52 +905,46 @@ void UIWidget::onMouseRelease(UIMouseEvent& event)
continue;
// mouse release events go to all children
event.accept();
child->onMouseRelease(event);
if(event.isAccepted())
break;
if(child->onMouseRelease(mousePos, button))
return true;
}
return false;
}
void UIWidget::onMouseMove(UIMouseEvent& event)
bool UIWidget::onMouseMove(const Point& mousePos, const Point& mouseMoved)
{
assert(!m_destroyed);
event.ignore();
// do a backup of children list, because it may change while looping it
UIWidgetList children = m_children;
for(const UIWidgetPtr& child : children) {
if(!child->isExplicitlyEnabled() || !child->isExplicitlyVisible())
continue;
// check if the mouse is relally over this child
// check if the mouse is really over this child
bool overChild = (isHovered() &&
child->getRect().contains(event.pos()) &&
child == getChildByPos(event.pos()));
child->getRect().contains(mousePos) &&
child == getChildByPos(mousePos));
// trigger hover events
if(overChild != child->isHovered()) {
child->setHovered(overChild);
UIHoverEvent e(overChild);
child->onHoverChange(e);
child->onHoverChange(overChild);
}
// mouse move events go to all children
event.accept();
child->onMouseMove(event);
if(event.isAccepted())
break;
if(child->onMouseMove(mousePos, mouseMoved))
return true;
}
return false;
}
void UIWidget::onMouseWheel(UIMouseEvent& event)
bool UIWidget::onMouseWheel(const Point& mousePos, UI::MouseWheelDirection direction)
{
assert(!m_destroyed);
event.ignore();
// do a backup of children list, because it may change while looping it
UIWidgetList children = m_children;
for(const UIWidgetPtr& child : children) {
@@ -972,12 +952,11 @@ void UIWidget::onMouseWheel(UIMouseEvent& event)
continue;
// mouse wheel events only go to children that contains the mouse position
if(child->getRect().contains(event.pos()) && child == getChildByPos(event.pos())) {
event.accept();
child->onMouseWheel(event);
if(child->getRect().contains(mousePos) && child == getChildByPos(mousePos)) {
if(child->onMouseWheel(mousePos, direction))
return true;
}
if(event.isAccepted())
break;
}
return false;
}