src/frontends/qt4/DialogView.h

   1 // -*- C++ -*-
   2 /**
   3  * \file DialogView.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Abdelrazak Younes
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #ifndef DIALOG_VIEW_H
  13 #define DIALOG_VIEW_H
  14
  15 #include "Dialog.h"
  16 #include "GuiView.h"
  17 #include "qt_helpers.h"
  18 #include "debug.h"
  19
  20 #include <QCloseEvent>
  21 #include <QDialog>
  22 #include <QSettings>
  23 #include <QShowEvent>
  24 #include <QGridLayout>
  25
  26 #include <string>
  27
  28 namespace lyx {
  29 namespace frontend {
  30
  31 /// Window Dialog container for LyX dialogs.
  32 /// This template class that encapsulates a given Widget inside a
  33 /// QDialog and presents a Dialog interface
  34 template<class MyWidget>
  35 class DialogView : public QDialog, public Dialog
  36 {
  37 public:
  38         DialogView(
  39                 GuiView & parent, ///< the main window where to dock.
  40                 std::string const & name, ///< dialog identifier.
  41                 bool modal = false, ///< Window modality.
  42                 Qt::WindowFlags flags = 0
  43                 )
  44                 : QDialog(&parent, flags), name_(name)
  45         {
  46                 setModal(modal);
  47                 QGridLayout * gridLayout = new QGridLayout(this);
  48                 gridLayout->setMargin(0);
  49                 widget_ = new MyWidget(*this, this);
  50                 gridLayout->addWidget(widget_);
  51                 setWindowTitle("LyX: " + widget_->windowTitle());
  52         }
  53
  54         /// Dialog inherited methods
  55         //@{
  56         void applyView() {}
  57         void hideView()
  58         {
  59                 clearParams();
  60                 QDialog::hide();
  61         }
  62         void showData(std::string const & data)
  63         {
  64                 initialiseParams(data);
  65                 showView();
  66         }
  67         void showView()
  68         {
  69                 widget_->updateView();  // make sure its up-to-date
  70                 QDialog::show();
  71                 raise();
  72                 activateWindow();
  73         }
  74         bool isVisibleView() const { return QDialog::isVisible(); }
  75         void checkStatus() { updateView(); }
  76         void updateData(std::string const & data)
  77         {
  78                 initialiseParams(data);
  79                 updateView();
  80         }
  81         void updateView()
  82         {
  83                 widget_->updateView();
  84         }
  85         std::string name() const { return name_; }
  86         //@}
  87 private:
  88         /// The encapsulated widget.
  89         MyWidget * widget_;
  90         std::string name_;
  91
  92         void showEvent(QShowEvent * e)
  93         {
  94                 QSettings settings;
  95                 std::string key = name_ + "/geometry";
  96                 QDialog::restoreGeometry(settings.value(key.c_str()).toByteArray());
  97             QDialog::showEvent(e);
  98         }
  99
 100         void closeEvent(QCloseEvent * e)
 101         {
 102                 QSettings settings;
 103                 std::string key = name_ + "/geometry";
 104                 settings.setValue(key.c_str(), QDialog::saveGeometry());
 105                 QDialog::closeEvent(e);
 106         }
 107 };
 108
 109 } // frontend
 110 } // lyx
 111
 112 #endif // DIALOG_VIEW_H