1 files changed, 148 insertions, 0 deletions
diff --git a/kviewshell/pageSizeWidget.cpp b/kviewshell/pageSizeWidget.cpp
new file mode 100644
index 00000000..d485f3bb
--- /dev/null
+++ b/kviewshell/pageSizeWidget.cpp
@@ -0,0 +1,148 @@
+// pageSizeWidget.cpp
+//
+// Part of KVIEWSHELL - A framework for multipage text/gfx viewers
+//
+// (C) 2002-2003 Stefan Kebekus
+// Distributed under the GPL
+
+// Add header files alphabetically
+
+#include <config.h>
+
+#include <kcombobox.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <qlineedit.h>
+#include <qvalidator.h>
+
+#include "pageSize.h"
+#include "pageSizeWidget.h"
+#include "sizePreview.h"
+
+
+
+// Constructs a pageSizeWidget_base which is a child of 'parent', with
+// the name 'name' and widget flags set to 'f'.
+pageSizeWidget::pageSizeWidget( QWidget* parent,  const char* name, WFlags fl )
+    : pageSizeWidget_base( parent,  name, fl )
+{
+  connect(&chosenSize, SIGNAL(sizeChanged(const SimplePageSize&)), previewer, SLOT(setSize(const SimplePageSize&)));
+
+  // Set up the formatChoice QComboBox
+  formatChoice->insertItem(i18n("Custom Size"));
+  formatChoice->insertStringList(chosenSize.pageSizeNames());
+
+  // Activate the proper entry in the QComboBox
+  if (chosenSize.formatName().isNull()) {
+    orientationChoice->setEnabled(false);
+    formatChoice->setCurrentItem(0);
+  } else {
+    orientationChoice->setEnabled(true);
+    formatChoice->setCurrentText(chosenSize.formatName());
+  }
+  paperSize(formatChoice->currentItem());
+
+  connect(formatChoice, SIGNAL(activated(int)), this, SLOT(paperSize(int)));
+  connect(orientationChoice, SIGNAL(activated(int)), this, SLOT(orientationChanged(int)));
+
+  // Update the text fields when the user switches to a new unit, and
+  // when the "custom format" is NOT selected.
+  connect(widthUnits, SIGNAL(activated(int)), this, SLOT(unitsChanged(int)));
+  connect(heightUnits, SIGNAL(activated(int)), this, SLOT(unitsChanged(int)));
+
+  // Upate the chosen size whenever the user edits the input field. 
+  connect(widthInput, SIGNAL(textChanged(const QString &)), this, SLOT(input(const QString &)));
+  connect(heightInput, SIGNAL(textChanged(const QString &)), this, SLOT(input(const QString &)));
+
+  // Allow entries between 0 and 1200. More filtering is done by the
+  // pageSize class, which silently ignores values which are out of
+  // range.
+  widthInput->setValidator(new QDoubleValidator(0.0, 1200.0, 1, this, "widthValidator"));
+  heightInput->setValidator(new QDoubleValidator(0.0, 1200.0, 1, this, "heightValidator"));
+}
+
+
+// Receives the output from the formatChoice combobox. A value of
+// "zero" means that the "custom paper size" has been chosen.
+void pageSizeWidget::paperSize(int index)
+{
+  widthInput->setEnabled(index == 0);
+  heightInput->setEnabled(index == 0);
+  orientationChoice->setEnabled(index != 0);
+  
+  if (index != 0) {
+    chosenSize.setPageSize(formatChoice->currentText());
+    chosenSize.setOrientation(orientationChoice->currentItem());
+  }
+  widthUnits->setCurrentText(chosenSize.preferredUnit());
+  heightUnits->setCurrentText(chosenSize.preferredUnit());
+  
+  fillTextFields();
+}
+
+
+void pageSizeWidget::setPageSize(const QString& sizeName)
+{
+  chosenSize.setPageSize(sizeName);
+
+  int index = chosenSize.formatNumber();
+
+  formatChoice->setCurrentItem(index+1);
+  widthInput->setEnabled(index == -1);
+  heightInput->setEnabled(index == -1);
+  orientationChoice->setEnabled(index != -1);
+
+  widthUnits->setCurrentText(chosenSize.preferredUnit());
+  heightUnits->setCurrentText(chosenSize.preferredUnit());
+
+  fillTextFields();
+}
+
+
+void pageSizeWidget::fillTextFields()
+{				   
+  // Warning! It is really necessary here to first generate both
+  // strings, and then call setText() on the input widgets. Reason?
+  // Calling setText() implicitly calls the input() method via the
+  // textChanged()-Signal of the QLineEdit widgets.
+  QString width  = chosenSize.widthString(widthUnits->currentText());
+  QString height = chosenSize.heightString(heightUnits->currentText());
+
+  widthInput->setText(width);
+  heightInput->setText(height);
+}
+
+
+void pageSizeWidget::unitsChanged(int)
+{
+  // Update the text fields, i.e. show the current size in the proper
+  // units, but only if the "custom size" is NOT selected.
+  if (formatChoice->currentItem() != 0)
+    fillTextFields();
+  else
+    input(QString::null);
+}
+
+
+void pageSizeWidget::setOrientation(int ori)
+{
+  orientationChoice->setCurrentItem(ori);
+  orientationChanged();
+}
+
+
+void pageSizeWidget::orientationChanged(int orient)
+{
+  // Update the page preview
+  chosenSize.setOrientation(orient);
+}
+
+
+void pageSizeWidget::input(const QString &)
+{
+  chosenSize.setPageSize(widthInput->text(), widthUnits->currentText(), heightInput->text(), heightUnits->currentText());
+}
+
+
+
+#include "pageSizeWidget.moc"