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