lyx_mirror/src/frontends/qt4/GuiDialog.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 "GuiDialog.h"
#include "debug.h"
#include "qt_helpers.h"
namespace lyx {
namespace frontend {
GuiDialog::GuiDialog(LyXView & lv, std::string const & name)
: Dialog(lv, name)
{}
void GuiDialog::setButtonsValid(bool valid)
{
bc().setValid(valid);
}
void GuiDialog::ApplyButton()
{
apply();
bc().apply();
}
void GuiDialog::OKButton()
{
is_closing_ = true;
apply();
is_closing_ = false;
QDialog::hide();
bc().ok();
}
void GuiDialog::CancelButton()
{
QDialog::hide();
bc().cancel();
}
void GuiDialog::RestoreButton()
{
// Tell the kernel that a request to refresh the dialog's contents
// has been received. It's up to the kernel to supply the necessary
// info by calling GuiDialog::updateView().
kernel().updateDialog(name_);
bc().restore();
}
void GuiDialog::preShow()
{
bc().setReadOnly(kernel().isBufferReadonly());
}
void GuiDialog::postShow()
{
// The widgets may not be valid, so refresh the button controller
bc().refresh();
}
void GuiDialog::preUpdate()
{
bc().setReadOnly(kernel().isBufferReadonly());
}
void GuiDialog::postUpdate()
{
// The widgets may not be valid, so refresh the button controller
bc().refresh();
}
void GuiDialog::checkStatus()
{
// buffer independant dialogs are always active.
// This check allows us leave canApply unimplemented for some dialogs.
if (!controller().isBufferDependent())
return;
// deactivate the dialog if we have no buffer
if (!kernel().isBufferAvailable()) {
bc().setReadOnly(true);
return;
}
// check whether this dialog may be active
if (controller().canApply()) {
bool const readonly = kernel().isBufferReadonly();
bc().setReadOnly(readonly);
// refreshReadOnly() is too generous in _enabling_ widgets
// update dialog to disable disabled widgets again
/*
* FIXME:
if (!readonly || controller().canApplyToReadOnly())
update();
*/
} else {
bc().setReadOnly(true);
}
}
bool GuiDialog::isVisibleView() const
{
return QDialog::isVisible();
}
bool GuiDialog::readOnly() const
{
return kernel().isBufferReadonly();
}
void GuiDialog::showView()
{
QSize const hint = sizeHint();
if (hint.height() >= 0 && hint.width() >= 0)
setMinimumSize(hint);
updateView(); // make sure its up-to-date
if (controller().exitEarly())
return;
setWindowTitle(toqstr("LyX: " + getViewTitle()));
if (QWidget::isVisible()) {
raise();
activateWindow();
} else {
QWidget::show();
}
setFocus();
}
void GuiDialog::hideView()
{
QDialog::hide();
}
bool GuiDialog::isValid()
{
return true;
}
void GuiDialog::changed()
{
if (updating_)
return;
bc().setValid(isValid());
}
void GuiDialog::slotWMHide()
{
CancelButton();
}
void GuiDialog::slotApply()
{
ApplyButton();
}
void GuiDialog::slotOK()
{
OKButton();
}
void GuiDialog::slotClose()
{
CancelButton();
}
void GuiDialog::slotRestore()
{
RestoreButton();
}
void GuiDialog::updateView()
{
setUpdatesEnabled(false);
// protect the BC from unwarranted state transitions
updating_ = true;
update_contents();
updating_ = false;
setUpdatesEnabled(true);
QDialog::update();
}
} // namespace frontend
} // namespace lyx
#include "GuiDialog_moc.cpp"