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 "controllers/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 MyController, class MyWidget>
  35 class DialogView : public QDialog, public Dialog
  36 {
  37 public:
  38         DialogView(
  39                 GuiViewBase & 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                 MyController * c = new MyController(*this);
  48                 controller_ = c;
  49                 controller_->setLyXView(parent);
  50                 QGridLayout * gridLayout = new QGridLayout(this);
  51                 gridLayout->setMargin(0);
  52                 widget_ = new MyWidget(*c, this);
  53                 gridLayout->addWidget(widget_);
  54                 setWindowTitle("LyX: " + widget_->windowTitle());
  55         }
  56
  57         /// Dialog inherited methods
  58         //@{
  59         void applyView() {}
  60         void hideView()
  61         {
  62                 controller().clearParams();
  63                 QDialog::hide();
  64         }
  65         void showData(std::string const & data)
  66         {
  67                 controller_->initialiseParams(data);
  68                 showView();
  69         }
  70         void showView()
  71         {
  72                 widget_->updateView();  // make sure its up-to-date
  73                 QDialog::show();
  74                 raise();
  75                 activateWindow();
  76         }
  77         bool isVisibleView() const { return QDialog::isVisible(); }
  78         void checkStatus() { updateView(); }
  79         void redraw() { redrawView(); }
  80         void redrawView() {}
  81         void updateData(std::string const & data)
  82         {
  83                 controller_->initialiseParams(data);
  84                 updateView();
  85         }
  86         void updateView()
  87         {
  88                 widget_->updateView();
  89         }
  90         void partialUpdateView(int /*id*/) {}
  91         Controller & controller() { return *controller_; }
  92         std::string name() const { return name_; }
  93         //@}
  94 private:
  95         /// The encapsulated widget.
  96         MyWidget * widget_;
  97         Controller * controller_;
  98         std::string name_;
  99
 100         void showEvent(QShowEvent * e)
 101         {
 102 #if (QT_VERSION >= 0x040200)
 103                 QSettings settings;
 104                 std::string key = name_ + "/geometry";
 105                 QDialog::restoreGeometry(settings.value(key.c_str()).toByteArray());
 106 #endif
 107             QDialog::showEvent(e);
 108         }
 109
 110         void closeEvent(QCloseEvent * e)
 111         {
 112 #if (QT_VERSION >= 0x040200)
 113                 QSettings settings;
 114                 std::string key = name_ + "/geometry";
 115                 settings.setValue(key.c_str(), QDialog::saveGeometry());
 116 #endif
 117             QDialog::closeEvent(e);
 118         }
 119 };
 120
 121 } // frontend
 122 } // lyx
 123
 124 #endif // DIALOG_VIEW_H