lyx_mirror/src/frontends/qt4/Dialog.cpp

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/**
* \file Dialog.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Angus Leeming
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "Dialog.h"
#include "GuiView.h"
#include "qt_helpers.h"
#include "Buffer.h"
#include "BufferView.h"
#include "Cursor.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "LyXFunc.h"
#include "insets/Inset.h"
#include "support/debug.h"
#include "support/lassert.h"
#include <QSettings>
#include <QString>
#include <string>
using namespace std;
using namespace lyx::support;
namespace lyx {
namespace frontend {
Dialog::Dialog(GuiView & lv, QString const & name, QString const & title)
: name_(name), title_(title), lyxview_(&lv)
{}
Dialog::~Dialog()
{}
bool Dialog::canApply() const
{
FuncRequest const fr(getLfun(), fromqstr(name_));
FuncStatus const fs(getStatus(fr));
return fs.enabled();
}
void Dialog::dispatch(FuncRequest const & fr) const
{
lyx::dispatch(fr);
}
void Dialog::updateDialog() const
{
dispatch(FuncRequest(LFUN_DIALOG_UPDATE, fromqstr(name_)));
}
void Dialog::disconnect() const
{
lyxview_->disconnectDialog(fromqstr(name_));
}
bool Dialog::isBufferAvailable() const
{
return lyxview_->currentBufferView() != 0;
}
bool Dialog::isBufferReadonly() const
{
if (!lyxview_->documentBufferView())
return true;
return lyxview_->documentBufferView()->buffer().isReadonly();
}
QString Dialog::bufferFilepath() const
{
return toqstr(buffer().filePath());
}
KernelDocType Dialog::docType() const
{
if (buffer().isLatex())
return LATEX;
if (buffer().isLiterate())
return LITERATE;
return DOCBOOK;
}
BufferView const * Dialog::bufferview() const
{
return lyxview_->currentBufferView();
}
Buffer const & Dialog::buffer() const
{
LASSERT(lyxview_->currentBufferView(), /**/);
return lyxview_->currentBufferView()->buffer();
}
void Dialog::showData(string const & data)
{
if (isBufferDependent() && !isBufferAvailable())
return;
if (!initialiseParams(data)) {
LYXERR0("Dialog \"" << name()
<< "\" failed to translate the data string passed to show()");
return;
}
showView();
}
void Dialog::apply()
{
if (isBufferDependent()) {
if (!isBufferAvailable() ||
(isBufferReadonly() && !canApplyToReadOnly()))
return;
}
applyView();
dispatchParams();
if (disconnectOnApply() && !isClosing()) {
disconnect();
initialiseParams(string());
updateView();
}
}
void Dialog::prepareView()
{
// Make sure the dialog controls are correctly enabled/disabled with
// readonly status.
checkStatus();
QWidget * w = asQWidget();
w->setWindowTitle(title_);
QSize const hint = w->sizeHint();
if (hint.height() >= 0 && hint.width() >= 0)
w->setMinimumSize(hint);
}
void Dialog::showView()
{
prepareView();
QWidget * w = asQWidget();
if (w->isVisible()) {
w->raise();
w->activateWindow();
} else
w->show();
if (wantInitialFocus())
w->setFocus();
else {
lyxview_->raise();
lyxview_->activateWindow();
lyxview_->setFocus();
}
}
void Dialog::hideView()
{
QWidget * w = asQWidget();
if (!w->isVisible())
return;
clearParams();
disconnect();
w->hide();
}
bool Dialog::isVisibleView() const
{
return asQWidget()->isVisible();
}
Inset const * Dialog::inset(InsetCode code) const
{
Inset * ins = bufferview()->cursor().innerInsetOfType(code);
if (!ins)
ins = bufferview()->cursor().nextInset();
if (!ins || ins->lyxCode() != code)
return 0;
return ins;
}
void Dialog::checkStatus()
{
// buffer independent dialogs are always active.
// This check allows us leave canApply unimplemented for some dialogs.
if (!isBufferDependent()) {
updateView();
return;
}
// deactivate the dialog if we have no buffer
if (!isBufferAvailable()) {
enableView(false);
return;
}
// check whether this dialog may be active
if (canApply()) {
bool const readonly = isBufferReadonly();
enableView(!readonly || canApplyToReadOnly());
// refreshReadOnly() is too generous in _enabling_ widgets
// update dialog to disable disabled widgets again
updateView();
} else
enableView(false);
}
QString Dialog::sessionKey() const
{
return "views/" + QString::number(lyxview_->id())
+ "/" + name();
}
void Dialog::saveSession() const
{
QSettings settings;
settings.setValue(sessionKey() + "/geometry", asQWidget()->saveGeometry());
}
void Dialog::restoreSession()
{
QSettings settings;
asQWidget()->restoreGeometry(
settings.value(sessionKey() + "/geometry").toByteArray());
}
} // namespace frontend
} // namespace lyx