lyx_mirror/src/frontends/qt4/GuiVSpace.cpp

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/**
* \file GuiVSpace.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Andr<EFBFBD> P<EFBFBD>nitz
* \author J<EFBFBD>rgen Vigna
* \author Rob Lahaye
* \author Angus Leeming
* \author Edwin Leuven
* \author J<EFBFBD>rgen Spitzm<EFBFBD>ller
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "GuiVSpace.h"
#include "Qt2BC.h"
#include "LengthCombo.h"
#include "qt_helpers.h"
#include "Validator.h"
#include "LyXRC.h" // to set the default length values
#include "Spacing.h"
#include "VSpace.h"
#include "controllers/ControlVSpace.h"
#include "controllers/frontend_helpers.h"
#include "support/lstrings.h"
#include <QCheckBox>
#include <QCloseEvent>
#include <QLineEdit>
#include <QPushButton>
#include <QValidator>
using std::string;
namespace lyx {
namespace frontend {
/////////////////////////////////////////////////////////////////////
//
// GuiVSpaceDialog
//
/////////////////////////////////////////////////////////////////////
GuiVSpaceDialog::GuiVSpaceDialog(GuiVSpace * form)
: form_(form)
{
setupUi(this);
connect(okPB, SIGNAL(clicked()), form_, SLOT(slotOK()));
connect(applyPB, SIGNAL(clicked()), form_, SLOT(slotApply()));
connect(closePB, SIGNAL(clicked()), form_, SLOT(slotClose()));
connect(spacingCO, SIGNAL(highlighted(const QString &)),
this, SLOT(change_adaptor()));
connect(valueLE, SIGNAL(textChanged(const QString &)),
this, SLOT(change_adaptor()));
connect(spacingCO, SIGNAL(activated(int)),
this, SLOT(enableCustom(int)));
connect(keepCB, SIGNAL(clicked()),
this, SLOT(change_adaptor()));
connect(unitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
this, SLOT(change_adaptor()));
valueLE->setValidator(unsignedLengthValidator(valueLE));
}
void GuiVSpaceDialog::closeEvent(QCloseEvent * e)
{
form_->slotWMHide();
e->accept();
}
void GuiVSpaceDialog::change_adaptor()
{
form_->changed();
}
void GuiVSpaceDialog::enableCustom(int selection)
{
bool const enable = selection == 5;
valueLE->setEnabled(enable);
unitCO->setEnabled(enable);
}
/////////////////////////////////////////////////////////////////////
//
// GuiVSpace
//
/////////////////////////////////////////////////////////////////////
static void setWidgetsFromVSpace(VSpace const & space,
QComboBox * spacing,
QLineEdit * value,
LengthCombo * unit,
QCheckBox * keep)
{
int item = 0;
switch (space.kind()) {
case VSpace::DEFSKIP:
item = 0;
break;
case VSpace::SMALLSKIP:
item = 1;
break;
case VSpace::MEDSKIP:
item = 2;
break;
case VSpace::BIGSKIP:
item = 3;
break;
case VSpace::VFILL:
item = 4;
break;
case VSpace::LENGTH:
item = 5;
break;
}
spacing->setCurrentIndex(item);
keep->setChecked(space.keep());
Length::UNIT default_unit =
(lyxrc.default_papersize > 3) ? Length::CM : Length::IN;
bool const custom_vspace = space.kind() == VSpace::LENGTH;
if (custom_vspace) {
value->setEnabled(true);
unit->setEnabled(true);
string length = space.length().asString();
lengthToWidgets(value, unit, length, default_unit);
} else {
lengthToWidgets(value, unit, "", default_unit);
value->setEnabled(false);
unit->setEnabled(false);
}
}
static VSpace setVSpaceFromWidgets(int spacing,
QLineEdit * value,
LengthCombo * unit,
bool keep)
{
VSpace space;
switch (spacing) {
case 0:
space = VSpace(VSpace::DEFSKIP);
break;
case 1:
space = VSpace(VSpace::SMALLSKIP);
break;
case 2:
space = VSpace(VSpace::MEDSKIP);
break;
case 3:
space = VSpace(VSpace::BIGSKIP);
break;
case 4:
space = VSpace(VSpace::VFILL);
break;
case 5:
space = VSpace(GlueLength(widgetsToLength(value, unit)));
break;
}
space.setKeep(keep);
return space;
}
GuiVSpace::GuiVSpace(Dialog & parent)
: GuiView<GuiVSpaceDialog>(parent, _("Vertical Space Settings"))
{}
void GuiVSpace::build_dialog()
{
// the tabbed folder
dialog_.reset(new GuiVSpaceDialog(this));
// Manage the ok, apply, restore and cancel/close buttons
bcview().setOK(dialog_->okPB);
bcview().setApply(dialog_->applyPB);
bcview().setCancel(dialog_->closePB);
// disable for read-only documents
bcview().addReadOnly(dialog_->spacingCO);
bcview().addReadOnly(dialog_->valueLE);
bcview().addReadOnly(dialog_->unitCO);
bcview().addReadOnly(dialog_->keepCB);
// initialize the length validator
addCheckedLineEdit(bcview(), dialog_->valueLE, dialog_->valueL);
// remove the %-items from the unit choice
dialog_->unitCO->noPercents();
}
void GuiVSpace::apply()
{
// spacing
// If a vspace choice is "Length" but there's no text in
// the input field, do not insert a vspace at all.
if (dialog_->spacingCO->currentIndex() == 5
&& dialog_->valueLE->text().isEmpty())
return;
VSpace const space =
setVSpaceFromWidgets(dialog_->spacingCO->currentIndex(),
dialog_->valueLE,
dialog_->unitCO,
dialog_->keepCB->isChecked());
controller().params() = space;
}
void GuiVSpace::update_contents()
{
setWidgetsFromVSpace(controller().params(),
dialog_->spacingCO,
dialog_->valueLE,
dialog_->unitCO,
dialog_->keepCB);
}
} // namespace frontend
} // namespace lyx
#include "GuiVSpace_moc.cpp"