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12e5a52b92
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13294 a592a061-630c-0410-9148-cb99ea01b6c8
86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
/**
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* \file qt2/checkedwidgets.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "checkedwidgets.h"
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#include <QLabel>
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#include <QLineEdit>
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#include <QValidator>
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namespace lyx {
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namespace frontend {
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void addCheckedLineEdit(BCView & bcview,
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QLineEdit * input, QLabel * label)
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{
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bcview.addCheckedWidget(new CheckedLineEdit(input, label));
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}
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namespace {
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void setWarningColor(QWidget * widget)
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{
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// Qt 2.3 does not have
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// widget->setPaletteForegroundColor(QColor(255, 0, 0));
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// So copy the appropriate parts of the function here:
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QPalette pal = widget->palette();
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pal.setColor(QPalette::Active,
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QColorGroup::Foreground,
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QColor(255, 0, 0));
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widget->setPalette(pal);
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}
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void setWidget(bool valid, QLineEdit * input, QLabel * label)
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{
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if (valid)
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input->unsetPalette();
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else
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setWarningColor(input);
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if (!label)
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return;
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if (valid)
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label->unsetPalette();
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else
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setWarningColor(label);
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}
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} // namespace anon
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CheckedLineEdit::CheckedLineEdit(QLineEdit * input, QLabel * label)
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: input_(input), label_(label)
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{}
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bool CheckedLineEdit::check() const
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{
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QValidator const * validator = input_->validator();
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if (!validator)
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return true;
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QString t = input_->text();
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int p = 0;
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bool const valid = validator->validate(t, p) == QValidator::Acceptable;
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// Visual feedback.
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setWidget(valid, input_, label_);
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return valid;
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}
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} // namespace frontend
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} // namespace lyx
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