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149 lines
4.5 KiB
149 lines
4.5 KiB
// pageSizeWidget.cpp
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//
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// Part of KVIEWSHELL - A framework for multipage text/gfx viewers
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//
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// (C) 2002-2003 Stefan Kebekus
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// Distributed under the GPL
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// Add header files alphabetically
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#include <config.h>
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#include <kcombobox.h>
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#include <kdebug.h>
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#include <tdelocale.h>
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#include <tqlineedit.h>
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#include <tqvalidator.h>
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#include "pageSize.h"
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#include "pageSizeWidget.h"
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#include "sizePreview.h"
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// Constructs a pageSizeWidget_base which is a child of 'parent', with
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// the name 'name' and widget flags set to 'f'.
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pageSizeWidget::pageSizeWidget( TQWidget* parent, const char* name, WFlags fl )
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: pageSizeWidget_base( parent, name, fl )
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{
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connect(&chosenSize, TQT_SIGNAL(sizeChanged(const SimplePageSize&)), previewer, TQT_SLOT(setSize(const SimplePageSize&)));
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// Set up the formatChoice TQComboBox
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formatChoice->insertItem(i18n("Custom Size"));
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formatChoice->insertStringList(chosenSize.pageSizeNames());
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// Activate the proper entry in the TQComboBox
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if (chosenSize.formatName().isNull()) {
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orientationChoice->setEnabled(false);
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formatChoice->setCurrentItem(0);
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} else {
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orientationChoice->setEnabled(true);
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formatChoice->setCurrentText(chosenSize.formatName());
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}
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paperSize(formatChoice->currentItem());
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connect(formatChoice, TQT_SIGNAL(activated(int)), this, TQT_SLOT(paperSize(int)));
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connect(orientationChoice, TQT_SIGNAL(activated(int)), this, TQT_SLOT(orientationChanged(int)));
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// Update the text fields when the user switches to a new unit, and
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// when the "custom format" is NOT selected.
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connect(widthUnits, TQT_SIGNAL(activated(int)), this, TQT_SLOT(unitsChanged(int)));
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connect(heightUnits, TQT_SIGNAL(activated(int)), this, TQT_SLOT(unitsChanged(int)));
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// Upate the chosen size whenever the user edits the input field.
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connect(widthInput, TQT_SIGNAL(textChanged(const TQString &)), this, TQT_SLOT(input(const TQString &)));
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connect(heightInput, TQT_SIGNAL(textChanged(const TQString &)), this, TQT_SLOT(input(const TQString &)));
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// Allow entries between 0 and 1200. More filtering is done by the
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// pageSize class, which silently ignores values which are out of
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// range.
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widthInput->setValidator(new TQDoubleValidator(0.0, 1200.0, 1, TQT_TQOBJECT(this), "widthValidator"));
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heightInput->setValidator(new TQDoubleValidator(0.0, 1200.0, 1, TQT_TQOBJECT(this), "heightValidator"));
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}
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// Receives the output from the formatChoice combobox. A value of
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// "zero" means that the "custom paper size" has been chosen.
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void pageSizeWidget::paperSize(int index)
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{
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widthInput->setEnabled(index == 0);
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heightInput->setEnabled(index == 0);
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orientationChoice->setEnabled(index != 0);
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if (index != 0) {
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chosenSize.setPageSize(formatChoice->currentText());
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chosenSize.setOrientation(orientationChoice->currentItem());
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}
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widthUnits->setCurrentText(chosenSize.preferredUnit());
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heightUnits->setCurrentText(chosenSize.preferredUnit());
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fillTextFields();
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}
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void pageSizeWidget::setPageSize(const TQString& sizeName)
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{
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chosenSize.setPageSize(sizeName);
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int index = chosenSize.formatNumber();
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formatChoice->setCurrentItem(index+1);
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widthInput->setEnabled(index == -1);
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heightInput->setEnabled(index == -1);
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orientationChoice->setEnabled(index != -1);
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widthUnits->setCurrentText(chosenSize.preferredUnit());
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heightUnits->setCurrentText(chosenSize.preferredUnit());
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fillTextFields();
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}
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void pageSizeWidget::fillTextFields()
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{
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// Warning! It is really necessary here to first generate both
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// strings, and then call setText() on the input widgets. Reason?
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// Calling setText() implicitly calls the input() method via the
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// textChanged()-Signal of the TQLineEdit widgets.
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TQString width = chosenSize.widthString(widthUnits->currentText());
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TQString height = chosenSize.heightString(heightUnits->currentText());
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widthInput->setText(width);
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heightInput->setText(height);
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}
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void pageSizeWidget::unitsChanged(int)
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{
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// Update the text fields, i.e. show the current size in the proper
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// units, but only if the "custom size" is NOT selected.
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if (formatChoice->currentItem() != 0)
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fillTextFields();
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else
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input(TQString());
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}
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void pageSizeWidget::setOrientation(int ori)
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{
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orientationChoice->setCurrentItem(ori);
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orientationChanged();
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}
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void pageSizeWidget::orientationChanged(int orient)
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{
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// Update the page preview
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chosenSize.setOrientation(orient);
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}
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void pageSizeWidget::input(const TQString &)
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{
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chosenSize.setPageSize(widthInput->text(), widthUnits->currentText(), heightInput->text(), heightUnits->currentText());
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}
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#include "pageSizeWidget.moc"
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