src/frontends/Dialogs.C

   1 /**
   2  * \file frontends/Dialogs.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  * \author Angus Leeming
   6  *
   7  * Full author contact details are available in file CREDITS
   8  *
   9  * Common to all frontends' Dialogs
  10  */
  11
  12 #include <config.h>
  13
  14 #include "Dialogs.h"
  15 #include "controllers/Dialog.h"
  16 #include "controllers/ButtonControllerBase.h"
  17 #include <boost/bind.hpp>
  18
  19
  20 // Note that static boost signals break some compilers, so this wrapper
  21 // initialises the signal dynamically when it is first invoked.
  22 template<typename Signal>
  23 class BugfixSignal {
  24 public:
  25         Signal & operator()() { return thesignal(); }
  26         Signal const & operator()() const { return thesignal(); }
  27
  28 private:
  29         Signal & thesignal() const
  30         {
  31                 if (!signal_.get())
  32                         signal_.reset(new Signal);
  33                 return *signal_;
  34         }
  35
  36         mutable boost::scoped_ptr<Signal> signal_;
  37 };
  38
  39
  40 boost::signal0<void> & Dialogs::redrawGUI()
  41 {
  42         static BugfixSignal<boost::signal0<void> > thesignal;
  43         return thesignal();
  44 }
  45
  46
  47 Dialogs::Dialogs(LyXView & lyxview)
  48         : lyxview_(lyxview)
  49 {
  50         // Connect signals
  51         redrawGUI().connect(boost::bind(&Dialogs::redraw, this));
  52
  53         // All this is slated to go
  54         init_pimpl();
  55         // reduce the number of connections needed in
  56         // dialogs by a simple connection here.
  57         hideAllSignal.connect(hideBufferDependentSignal);
  58 }
  59
  60
  61 Dialog * Dialogs::find(string const & name)
  62 {
  63         if (!isValidName(name))
  64                 return 0;
  65
  66         std::map<string, DialogPtr>::iterator it =
  67                 dialogs_.find(name);
  68
  69         if (it == dialogs_.end()) {
  70                 dialogs_[name] = DialogPtr(build(name));
  71                 return dialogs_[name].get();
  72         }
  73
  74         return it->second.get();
  75 }
  76
  77
  78 void Dialogs::show(string const & name, string const & data, InsetBase * inset)
  79 {
  80         Dialog * dialog = find(name);
  81         if (!dialog)
  82                 return;
  83
  84         dialog->show(data);
  85         open_insets_[name] = inset;
  86 }
  87
  88
  89 void Dialogs::update(string const & name, string const & data)
  90 {
  91         Dialog * dialog = find(name);
  92         if (!dialog)
  93                 return;
  94
  95         if (dialog->isVisible())
  96                 dialog->update(data);
  97 }
  98
  99
 100 void Dialogs::hide(string const & name)
 101 {
 102         Dialog * dialog = find(name);
 103         if (!dialog)
 104                 return;
 105
 106         if (dialog->isVisible())
 107                 dialog->hide();
 108         open_insets_[name] = 0;
 109 }
 110
 111
 112 void Dialogs::disconnect(string const & name)
 113 {
 114         if (!isValidName(name))
 115                 return;
 116
 117         open_insets_[name] = 0;
 118 }
 119
 120
 121 InsetBase * Dialogs::getOpenInset(string const & name) const
 122 {
 123         if (!isValidName(name))
 124                 return 0;
 125
 126         std::map<string, InsetBase *>::const_iterator it =
 127                 open_insets_.find(name);
 128         return it == open_insets_.end() ? 0 : it->second;
 129 }
 130
 131
 132 void Dialogs::hideAll() const
 133 {
 134         std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
 135         std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
 136
 137         for(; it != end; ++it) {
 138                 it->second->hide();
 139         }
 140         hideAllSignal();
 141 }
 142
 143
 144 void Dialogs::hideBufferDependent() const
 145 {
 146         std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
 147         std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
 148
 149         for(; it != end; ++it) {
 150                 Dialog * dialog =  it->second.get();
 151                 if (dialog->controller().isBufferDependent())
 152                         dialog->hide();
 153         }
 154         hideBufferDependentSignal();
 155 }
 156
 157
 158 void Dialogs::updateBufferDependent(bool switched) const
 159 {
 160         std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
 161         std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
 162
 163         for(; it != end; ++it) {
 164                 Dialog * dialog =  it->second.get();
 165                 if (switched && dialog->controller().isBufferDependent()) {
 166                         dialog->hide();
 167                 } else {
 168                         // A bit clunky, but the dialog will request
 169                         // that the kernel provides it with the necessary
 170                         // data.
 171                         dialog->RestoreButton();
 172                 }
 173         }
 174         updateBufferDependentSignal(switched);
 175 }
 176
 177
 178 void Dialogs::redraw() const
 179 {
 180         std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
 181         std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
 182
 183         for(; it != end; ++it) {
 184                 it->second->redraw();
 185         }
 186 }