void CPropertyCommand::undo()
{
if(oldValue().isValid() && !propertyName().isEmpty())
{
foreach (QObject * object, fobjects)
object->setProperty(qPrintable(propertyName()),oldValue());
}
}
Variable &Variable::set(Value *v)
{
DENG2_ASSERT(v != 0);
QScopedPointer<Value> val(v);
// If the value would change, must check if this is allowed.
verifyWritable(*v);
verifyValid(*v);
QScopedPointer<Value> oldValue(d->value); // old value deleted afterwards
d->value = val.take();
// We'll only determine if actual change occurred if someone is interested.
if(!audienceForChange().isEmpty() || !audienceForChangeFrom().isEmpty())
{
bool notify = true;
try
{
// Did it actually change? Let's compare...
notify = oldValue.isNull() || oldValue->compare(*v);
}
catch(Error const &)
{
// Perhaps the values weren't comparable?
}
if(notify)
{
DENG2_FOR_AUDIENCE2(Change, i) i->variableValueChanged(*this, *d->value);
DENG2_FOR_AUDIENCE2(ChangeFrom, i) i->variableValueChangedFrom(*this, *oldValue, *d->value);
}
}
return *this;
}
nsresult
nsAutoCompleteController::RevertTextValue()
{
// StopSearch() can call PostSearchCleanup() which might result
// in a blur event, which could null out mInput, so we need to check it
// again. See bug #408463 for more details
if (!mInput)
return NS_OK;
nsAutoString oldValue(mSearchString);
nsCOMPtr<nsIAutoCompleteInput> input(mInput);
bool cancel = false;
input->OnTextReverted(&cancel);
if (!cancel) {
nsCOMPtr<nsIObserverService> obsSvc =
mozilla::services::GetObserverService();
NS_ENSURE_STATE(obsSvc);
obsSvc->NotifyObservers(input, "autocomplete-will-revert-text", nsnull);
nsAutoString inputValue;
input->GetTextValue(inputValue);
// Don't change the value if it is the same to prevent sending useless events.
// NOTE: how can |RevertTextValue| be called with inputValue != oldValue?
if (!oldValue.Equals(inputValue)) {
input->SetTextValue(oldValue);
}
obsSvc->NotifyObservers(input, "autocomplete-did-revert-text", nsnull);
}
return NS_OK;
}
nsresult
nsAutoCompleteController::RevertTextValue()
{
// StopSearch() can call PostSearchCleanup() which might result
// in a blur event, which could null out mInput, so we need to check it
// again. See bug #408463 for more details
if (!mInput)
return NS_OK;
nsAutoString oldValue(mSearchString);
nsCOMPtr<nsIAutoCompleteInput> input(mInput);
PRBool cancel = PR_FALSE;
input->OnTextReverted(&cancel);
if (!cancel) {
nsCOMPtr<nsIObserverService> obsSvc =
mozilla::services::GetObserverService();
NS_ENSURE_STATE(obsSvc);
obsSvc->NotifyObservers(input, "autocomplete-will-revert-text", nsnull);
input->SetTextValue(oldValue);
obsSvc->NotifyObservers(input, "autocomplete-did-revert-text", nsnull);
}
return NS_OK;
}
void ObjectNodeInstance::refreshProperty(const PropertyName &name)
{
QQmlProperty property(object(), QString::fromUtf8(name), context());
if (!property.isValid())
return;
QVariant oldValue(property.read());
if (property.isResettable())
property.reset();
else
property.write(resetValue(name));
if (oldValue.type() == QVariant::Url) {
QByteArray key = oldValue.toUrl().toEncoded(QUrl::UrlFormattingOption(0x100));
QString pixmapKey = QString::fromUtf8(key.constData(), key.count());
QPixmapCache::remove(pixmapKey);
}
property.write(oldValue);
}
long operator++(Task a,int)
{
Task oldValue(a.value);
a.value++;
return atol(oldValue.value);
}
void
AppearancePrefView::MessageReceived(BMessage* msg)
{
bool modified = false;
switch (msg->what) {
case MSG_HALF_FONT_CHANGED:
{
const char* family = NULL;
const char* style = NULL;
msg->FindString("font_family", &family);
msg->FindString("font_style", &style);
PrefHandler* pref = PrefHandler::Default();
const char* currentFamily
= pref->getString(PREF_HALF_FONT_FAMILY);
const char* currentStyle
= pref->getString(PREF_HALF_FONT_STYLE);
if (currentFamily == NULL || strcmp(currentFamily, family)
|| currentStyle == NULL || strcmp(currentStyle, style)) {
pref->setString(PREF_HALF_FONT_FAMILY, family);
pref->setString(PREF_HALF_FONT_STYLE, style);
modified = true;
}
break;
}
case MSG_HALF_SIZE_CHANGED:
if (strcmp(PrefHandler::Default()->getString(PREF_HALF_FONT_SIZE),
fFontSize->Menu()->FindMarked()->Label())) {
PrefHandler::Default()->setString(PREF_HALF_FONT_SIZE,
fFontSize->Menu()->FindMarked()->Label());
modified = true;
}
break;
case MSG_COLOR_CHANGED:
{
rgb_color oldColor = PrefHandler::Default()->getRGB(
fColorField->Menu()->FindMarked()->Label());
if (oldColor != fColorControl->ValueAsColor()) {
PrefHandler::Default()->setRGB(
fColorField->Menu()->FindMarked()->Label(),
fColorControl->ValueAsColor());
modified = true;
}
}
break;
case MSG_COLOR_SCHEMA_CHANGED:
{
color_schema* newSchema = NULL;
if (msg->FindPointer("color_schema",
(void**)&newSchema) == B_OK) {
if (newSchema == &gCustomSchema)
_EnableCustomColors(true);
else
_EnableCustomColors(false);
_ChangeColorSchema(newSchema);
modified = true;
}
break;
}
case MSG_COLOR_FIELD_CHANGED:
fColorControl->SetValue(PrefHandler::Default()->getRGB(
fColorField->Menu()->FindMarked()->Label()));
break;
case MSG_WARN_ON_EXIT_CHANGED:
if (PrefHandler::Default()->getBool(PREF_WARN_ON_EXIT)
!= fWarnOnExit->Value()) {
PrefHandler::Default()->setBool(PREF_WARN_ON_EXIT,
fWarnOnExit->Value());
modified = true;
}
break;
case MSG_TAB_TITLE_SETTING_CHANGED:
{
BString oldValue(PrefHandler::Default()->getString(PREF_TAB_TITLE));
if (oldValue != fTabTitle->Text()) {
PrefHandler::Default()->setString(PREF_TAB_TITLE,
fTabTitle->Text());
modified = true;
}
break;
}
case MSG_WINDOW_TITLE_SETTING_CHANGED:
{
BString oldValue(PrefHandler::Default()->getString(
PREF_WINDOW_TITLE));
if (oldValue != fWindowTitle->Text()) {
PrefHandler::Default()->setString(PREF_WINDOW_TITLE,
fWindowTitle->Text());
modified = true;
}
break;
}
default:
BView::MessageReceived(msg);
return;
}
if (modified) {
fTerminalMessenger.SendMessage(msg);
BMessenger messenger(this);
messenger.SendMessage(MSG_PREF_MODIFIED);
}
}
void Ruler::resetValue()
{
setValue(oldValue());
}
void
AppearancePrefView::MessageReceived(BMessage* msg)
{
bool modified = false;
switch (msg->what) {
case MSG_HALF_FONT_CHANGED:
{
const char* family = NULL;
const char* style = NULL;
const char* size = NULL;
if (msg->FindString("font_family", &family) != B_OK
|| msg->FindString("font_style", &style) != B_OK
|| msg->FindString("font_size", &size) != B_OK) {
break;
}
PrefHandler* pref = PrefHandler::Default();
const char* currentFamily
= pref->getString(PREF_HALF_FONT_FAMILY);
const char* currentStyle
= pref->getString(PREF_HALF_FONT_STYLE);
const char* currentSize
= pref->getString(PREF_HALF_FONT_SIZE);
if (currentFamily == NULL || strcmp(currentFamily, family) != 0
|| currentStyle == NULL || strcmp(currentStyle, style) != 0
|| currentSize == NULL || strcmp(currentSize, size) != 0) {
pref->setString(PREF_HALF_FONT_FAMILY, family);
pref->setString(PREF_HALF_FONT_STYLE, style);
pref->setString(PREF_HALF_FONT_SIZE, size);
_MarkSelectedFont(family, style, size);
modified = true;
}
break;
}
case MSG_COLOR_CHANGED:
{
const BMessage* itemMessage
= fColorField->Menu()->FindMarked()->Message();
const char* label = NULL;
if (itemMessage->FindString("label", &label) != B_OK)
break;
rgb_color oldColor = PrefHandler::Default()->getRGB(label);
if (oldColor != fColorControl->ValueAsColor()) {
BMenuItem* item = fColorSchemeField->Menu()->FindMarked();
if (strcmp(item->Label(), gCustomColorScheme.name) != 0) {
item->SetMarked(false);
item = fColorSchemeField->Menu()->FindItem(
gCustomColorScheme.name);
if (item)
item->SetMarked(true);
}
PrefHandler::Default()->setRGB(label,
fColorControl->ValueAsColor());
modified = true;
}
break;
}
case MSG_COLOR_SCHEME_CHANGED:
{
color_scheme* newScheme = NULL;
if (msg->FindPointer("color_scheme",
(void**)&newScheme) == B_OK) {
_ChangeColorScheme(newScheme);
modified = true;
}
break;
}
case MSG_COLOR_FIELD_CHANGED:
{
const char* label = NULL;
if (msg->FindString("label", &label) == B_OK)
fColorControl->SetValue(PrefHandler::Default()->getRGB(label));
break;
}
case MSG_BLINK_CURSOR_CHANGED:
if (PrefHandler::Default()->getBool(PREF_BLINK_CURSOR)
!= fBlinkCursor->Value()) {
PrefHandler::Default()->setBool(PREF_BLINK_CURSOR,
fBlinkCursor->Value());
modified = true;
}
break;
case MSG_WARN_ON_EXIT_CHANGED:
if (PrefHandler::Default()->getBool(PREF_WARN_ON_EXIT)
!= fWarnOnExit->Value()) {
PrefHandler::Default()->setBool(PREF_WARN_ON_EXIT,
fWarnOnExit->Value());
modified = true;
}
break;
case MSG_TAB_TITLE_SETTING_CHANGED:
{
BString oldValue(PrefHandler::Default()->getString(PREF_TAB_TITLE));
if (oldValue != fTabTitle->Text()) {
PrefHandler::Default()->setString(PREF_TAB_TITLE,
fTabTitle->Text());
modified = true;
}
break;
}
case MSG_WINDOW_TITLE_SETTING_CHANGED:
{
BString oldValue(PrefHandler::Default()->getString(
PREF_WINDOW_TITLE));
if (oldValue != fWindowTitle->Text()) {
PrefHandler::Default()->setString(PREF_WINDOW_TITLE,
fWindowTitle->Text());
modified = true;
}
break;
}
default:
BView::MessageReceived(msg);
return;
}
if (modified) {
fTerminalMessenger.SendMessage(msg);
BMessenger messenger(this);
messenger.SendMessage(MSG_PREF_MODIFIED);
}
}
