lyx_mirror/src/frontends/qt2/QExternal.C

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/**
* \file QExternal.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author John Levon
* \author Angus Leeming
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
// Qt defines a macro 'signals' that clashes with a boost namespace.
// All is well if the namespace is visible first.
#include "lengthcommon.h"
#include "lyxrc.h"
#include "controllers/ControlExternal.h"
#include "insets/ExternalTemplate.h"
#include "insets/insetexternal.h"
#include "support/lstrings.h"
#include "support/convert.h"
#include "QExternal.h"
#include "QExternalDialog.h"
#include "Qt2BC.h"
#include "checkedwidgets.h"
#include "lengthcombo.h"
#include "qt_helpers.h"
#include <qlineedit.h>
#include <qpushbutton.h>
#include <qcheckbox.h>
#include <qcombobox.h>
#include <qtabwidget.h>
#include <qtextview.h>
namespace external = lyx::external;
using lyx::support::isStrDbl;
using lyx::support::token;
using lyx::support::trim;
using std::string;
using std::vector;
using std::find;
namespace lyx {
namespace frontend {
namespace {
LyXLength::UNIT defaultUnit()
{
LyXLength::UNIT default_unit = LyXLength::CM;
switch (lyxrc.default_papersize) {
case PAPER_USLETTER:
case PAPER_LEGALPAPER:
case PAPER_EXECUTIVEPAPER:
default_unit = LyXLength::IN;
break;
default:
break;
}
return default_unit;
}
void setDisplay(QCheckBox & displayCB, QComboBox & showCO, QLineEdit & scaleED,
external::DisplayType display, unsigned int scale,
bool read_only)
{
int item = 0;
switch (display) {
case external::DefaultDisplay:
item = 0;
break;
case external::MonochromeDisplay:
item = 1;
break;
case external::GrayscaleDisplay:
item = 2;
break;
case external::ColorDisplay:
item = 3;
break;
case external::PreviewDisplay:
item = 4;
break;
case external::NoDisplay:
item = 0;
break;
}
showCO.setCurrentItem(item);
bool const no_display = display == external::NoDisplay;
showCO.setEnabled(!no_display && !read_only);
displayCB.setChecked(!no_display);
scaleED.setEnabled(!no_display && !read_only);
scaleED.setText(toqstr(convert<string>(scale)));
}
void getDisplay(external::DisplayType & display,
unsigned int & scale,
QCheckBox const & displayCB,
QComboBox const & showCO,
QLineEdit const & scaleED)
{
switch (showCO.currentItem()) {
case 0:
display = external::DefaultDisplay;
break;
case 1:
display = external::MonochromeDisplay;
break;
case 2:
display = external::GrayscaleDisplay;
break;
case 3:
display = external::ColorDisplay;
break;
case 4:
display = external::PreviewDisplay;
break;
}
if (!displayCB.isChecked())
display = external::NoDisplay;
scale = convert<int>(fromqstr(scaleED.text()));
}
void setRotation(QLineEdit & angleED, QComboBox & originCO,
external::RotationData const & data)
{
originCO.setCurrentItem(int(data.origin()));
angleED.setText(toqstr(data.angle));
}
void getRotation(external::RotationData & data,
QLineEdit const & angleED, QComboBox const & originCO)
{
typedef external::RotationData::OriginType OriginType;
data.origin(static_cast<OriginType>(originCO.currentItem()));
data.angle = fromqstr(angleED.text());
}
void setSize(QLineEdit & widthED, QComboBox & widthUnitCO,
QLineEdit & heightED, LengthCombo & heightUnitCO,
QCheckBox & aspectratioCB,
external::ResizeData const & data)
{
bool using_scale = data.usingScale();
std::string scale = data.scale;
if (data.no_resize()) {
// Everything is zero, so default to this!
using_scale = true;
scale = "100";
}
if (using_scale) {
widthED.setText(toqstr(scale));
widthUnitCO.setCurrentItem(0);
} else {
widthED.setText(toqstr(convert<string>(data.width.value())));
// Because 'Scale' is position 0...
// Note also that width cannot be zero here, so
// we don't need to worry about the default unit.
widthUnitCO.setCurrentItem(data.width.unit() + 1);
}
string const h = data.height.zero() ? string() : data.height.asString();
LyXLength::UNIT default_unit = data.width.zero() ?
defaultUnit() : data.width.unit();
lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
heightED.setEnabled(!using_scale);
heightUnitCO.setEnabled(!using_scale);
aspectratioCB.setChecked(data.keepAspectRatio);
bool const disable_aspectRatio = using_scale ||
data.width.zero() || data.height.zero();
aspectratioCB.setEnabled(!disable_aspectRatio);
}
void getSize(external::ResizeData & data,
QLineEdit const & widthED, QComboBox const & widthUnitCO,
QLineEdit const & heightED, LengthCombo const & heightUnitCO,
QCheckBox const & aspectratioCB)
{
string const width = fromqstr(widthED.text());
if (widthUnitCO.currentItem() > 0) {
// Subtract one, because scale is 0.
int const unit = widthUnitCO.currentItem() - 1;
LyXLength w;
if (isValidLength(width, &w))
data.width = w;
else if (isStrDbl(width))
data.width = LyXLength(convert<double>(width),
static_cast<LyXLength::UNIT>(unit));
else
data.width = LyXLength();
data.scale = string();
} else {
// scaling instead of a width
data.scale = width;
data.width = LyXLength();
}
data.height = LyXLength(widgetsToLength(&heightED, &heightUnitCO));
data.keepAspectRatio = aspectratioCB.isChecked();
}
void setCrop(QCheckBox & clipCB,
QLineEdit & xlED, QLineEdit & ybED,
QLineEdit & xrED, QLineEdit & ytED,
external::ClipData const & data)
{
clipCB.setChecked(data.clip);
graphics::BoundingBox const & bbox = data.bbox;
xlED.setText(toqstr(convert<string>(bbox.xl)));
ybED.setText(toqstr(convert<string>(bbox.yb)));
xrED.setText(toqstr(convert<string>(bbox.xr)));
ytED.setText(toqstr(convert<string>(bbox.yt)));
}
void getCrop(external::ClipData & data,
QCheckBox const & clipCB,
QLineEdit const & xlED, QLineEdit const & ybED,
QLineEdit const & xrED, QLineEdit const & ytED,
bool bb_changed)
{
data.clip = clipCB.isChecked();
if (!bb_changed)
return;
data.bbox.xl = convert<int>(fromqstr(xlED.text()));
data.bbox.yb = convert<int>(fromqstr(ybED.text()));
data.bbox.xr = convert<int>(fromqstr(xrED.text()));
data.bbox.yt = convert<int>(fromqstr(ytED.text()));
}
void getExtra(external::ExtraData & data,
QExternal::MapType const & extra)
{
typedef QExternal::MapType MapType;
MapType::const_iterator it = extra.begin();
MapType::const_iterator const end = extra.end();
for (; it != end; ++it)
data.set(it->first, trim(fromqstr(it->second)));
}
} // namespace anon
typedef QController<ControlExternal, QView<QExternalDialog> > base_class;
QExternal::QExternal(Dialog & parent)
: base_class(parent, _("LyX: External Material"))
{}
void QExternal::build_dialog()
{
dialog_.reset(new QExternalDialog(this));
bcview().setOK(dialog_->okPB);
bcview().setApply(dialog_->applyPB);
bcview().setCancel(dialog_->closePB);
bcview().addReadOnly(dialog_->fileED);
bcview().addReadOnly(dialog_->browsePB);
bcview().addReadOnly(dialog_->editPB);
bcview().addReadOnly(dialog_->externalCO);
bcview().addReadOnly(dialog_->draftCB);
bcview().addReadOnly(dialog_->displayscaleED);
bcview().addReadOnly(dialog_->showCO);
bcview().addReadOnly(dialog_->displayCB);
bcview().addReadOnly(dialog_->angleED);
bcview().addReadOnly(dialog_->originCO);
bcview().addReadOnly(dialog_->heightUnitCO);
bcview().addReadOnly(dialog_->heightED);
bcview().addReadOnly(dialog_->aspectratioCB);
bcview().addReadOnly(dialog_->widthUnitCO);
bcview().addReadOnly(dialog_->widthED);
bcview().addReadOnly(dialog_->clipCB);
bcview().addReadOnly(dialog_->getbbPB);
bcview().addReadOnly(dialog_->ytED);
bcview().addReadOnly(dialog_->xlED);
bcview().addReadOnly(dialog_->xrED);
bcview().addReadOnly(dialog_->ybED);
bcview().addReadOnly(dialog_->extraFormatCO);
bcview().addReadOnly(dialog_->extraED);
addCheckedLineEdit(bcview(), dialog_->angleED, dialog_->angleLA);
addCheckedLineEdit(bcview(), dialog_->displayscaleED, dialog_->scaleLA);
addCheckedLineEdit(bcview(), dialog_->heightED, dialog_->heightLA);
addCheckedLineEdit(bcview(), dialog_->widthED, dialog_->widthLA);
addCheckedLineEdit(bcview(), dialog_->xlED, dialog_->lbLA);
addCheckedLineEdit(bcview(), dialog_->ybED, dialog_->lbLA);
addCheckedLineEdit(bcview(), dialog_->xrED, dialog_->rtLA);
addCheckedLineEdit(bcview(), dialog_->ytED, dialog_->rtLA);
std::vector<string> templates(controller().getTemplates());
for (std::vector<string>::const_iterator cit = templates.begin();
cit != templates.end(); ++cit) {
dialog_->externalCO->insertItem(toqstr(*cit), -1);
}
// Fill the origins combo
typedef vector<external::RotationDataType> Origins;
Origins const & all_origins = external::all_origins();
for (Origins::size_type i = 0; i != all_origins.size(); ++i)
dialog_->originCO->insertItem(toqstr(external::origin_gui_str(i)));
// Fill the width combo
dialog_->widthUnitCO->insertItem(qt_("Scale%"));
for (int i = 0; i < num_units; i++)
dialog_->widthUnitCO->insertItem(unit_name_gui[i], -1);
}
void QExternal::update_contents()
{
dialog_->tab->setCurrentPage(0);
InsetExternalParams const & params = controller().params();
string const name =
params.filename.outputFilename(kernel().bufferFilepath());
dialog_->fileED->setText(toqstr(name));
dialog_->externalCO->setCurrentItem(
controller().getTemplateNumber(params.templatename()));
updateTemplate();
dialog_->draftCB->setChecked(params.draft);
setDisplay(*dialog_->displayCB, *dialog_->showCO,
*dialog_->displayscaleED,
params.display, params.lyxscale, readOnly());
setRotation(*dialog_->angleED, *dialog_->originCO, params.rotationdata);
setSize(*dialog_->widthED, *dialog_->widthUnitCO,
*dialog_->heightED, *dialog_->heightUnitCO,
*dialog_->aspectratioCB,
params.resizedata);
setCrop(*dialog_->clipCB,
*dialog_->xlED, *dialog_->ybED,
*dialog_->xrED, *dialog_->ytED,
params.clipdata);
controller().bbChanged(!params.clipdata.bbox.empty());
isValid();
}
void QExternal::updateTemplate()
{
external::Template templ =
controller().getTemplate(dialog_->externalCO->currentItem());
dialog_->externalTV->setText(toqstr(templ.helpText));
// Ascertain which (if any) transformations the template supports
// and disable tabs hosting unsupported transforms.
typedef vector<external::TransformID> TransformIDs;
TransformIDs const transformIds = templ.transformIds;
TransformIDs::const_iterator tr_begin = transformIds.begin();
TransformIDs::const_iterator const tr_end = transformIds.end();
bool found = find(tr_begin, tr_end, external::Rotate) != tr_end;
dialog_->tab->setTabEnabled(dialog_->rotatetab, found);
found = find(tr_begin, tr_end, external::Resize) != tr_end;
dialog_->tab->setTabEnabled(dialog_->scaletab, found);
found = find(tr_begin, tr_end, external::Clip) != tr_end;
dialog_->tab->setTabEnabled(dialog_->croptab, found);
found = find(tr_begin, tr_end, external::Extra) != tr_end;
dialog_->tab->setTabEnabled(dialog_->optionstab, found);
if (!found)
return;
// Ascertain whether the template has any formats supporting
// the 'Extra' option
QLineEdit * const extraED = dialog_->extraED;
QComboBox * const extraCB = dialog_->extraFormatCO;
extra_.clear();
extraED->clear();
extraCB->clear();
external::Template::Formats::const_iterator it = templ.formats.begin();
external::Template::Formats::const_iterator end = templ.formats.end();
for (; it != end; ++it) {
if (it->second.option_transformers.find(external::Extra) ==
it->second.option_transformers.end())
continue;
string const format = it->first;
string const opt = controller().params().extradata.get(format);
extraCB->insertItem(toqstr(format));
extra_[format] = toqstr(opt);
}
bool const enabled = extraCB->count() > 0;
dialog_->tab->setTabEnabled(dialog_->optionstab, enabled);
extraED->setEnabled(enabled && !kernel().isBufferReadonly());
extraCB->setEnabled(enabled);
if (enabled) {
extraCB->setCurrentItem(0);
extraED->setText(extra_[fromqstr(extraCB->currentText())]);
}
}
void QExternal::apply()
{
InsetExternalParams params = controller().params();
params.filename.set(fromqstr(dialog_->fileED->text()),
kernel().bufferFilepath());
params.settemplate(controller().getTemplate(
dialog_->externalCO->currentItem()).lyxName);
params.draft = dialog_->draftCB->isChecked();
getDisplay(params.display, params.lyxscale,
*dialog_->displayCB, *dialog_->showCO,
*dialog_->displayscaleED);
if (dialog_->tab->isTabEnabled(dialog_->rotatetab))
getRotation(params.rotationdata,
*dialog_->angleED, *dialog_->originCO);
if (dialog_->tab->isTabEnabled(dialog_->scaletab))
getSize(params.resizedata,
*dialog_->widthED, *dialog_->widthUnitCO,
*dialog_->heightED, *dialog_->heightUnitCO,
*dialog_->aspectratioCB);
if (dialog_->tab->isTabEnabled(dialog_->croptab))
getCrop(params.clipdata,
*dialog_->clipCB,
*dialog_->xlED, *dialog_->ybED,
*dialog_->xrED, *dialog_->ytED,
controller().bbChanged());
if (dialog_->tab->isTabEnabled(dialog_->optionstab))
getExtra(params.extradata, extra_);
controller().setParams(params);
}
void QExternal::getBB()
{
dialog_->xlED->setText("0");
dialog_->ybED->setText("0");
dialog_->xrED->setText("0");
dialog_->ytED->setText("0");
string const filename = fromqstr(dialog_->fileED->text());
if (filename.empty())
return;
string const bb = controller().readBB(filename);
if (bb.empty())
return;
dialog_->xlED->setText(toqstr(token(bb, ' ', 0)));
dialog_->ybED->setText(toqstr(token(bb, ' ', 1)));
dialog_->xrED->setText(toqstr(token(bb, ' ', 2)));
dialog_->ytED->setText(toqstr(token(bb, ' ', 3)));
controller().bbChanged(false);
}
} // namespace frontend
} // namespace lyx