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)
  79 {
  80         Dialog * dialog = find(name);
  81         if (!dialog)
  82                 return;
  83
  84         dialog->show();
  85 }
  86
  87
  88 void Dialogs::show(string const & name, string const & data, InsetBase * inset)
  89 {
  90         Dialog * dialog = find(name);
  91         if (!dialog)
  92                 return;
  93
  94         dialog->show(data);
  95         open_insets_[name] = inset;
  96 }
  97
  98
  99 void Dialogs::update(string const & name, string const & data)
 100 {
 101         Dialog * dialog = find(name);
 102         if (!dialog)
 103                 return;
 104
 105         if (dialog->isVisible())
 106                 dialog->update(data);
 107 }
 108
 109
 110 void Dialogs::hide(string const & name)
 111 {
 112         Dialog * dialog = find(name);
 113         if (!dialog)
 114                 return;
 115
 116         if (dialog->isVisible())
 117                 dialog->hide();
 118         open_insets_[name] = 0;
 119 }
 120
 121
 122 void Dialogs::disconnect(string const & name)
 123 {
 124         if (!isValidName(name))
 125                 return;
 126
 127         open_insets_[name] = 0;
 128 }
 129
 130
 131 InsetBase * Dialogs::getOpenInset(string const & name) const
 132 {
 133         if (!isValidName(name))
 134                 return 0;
 135
 136         std::map<string, InsetBase *>::const_iterator it =
 137                 open_insets_.find(name);
 138         return it == open_insets_.end() ? 0 : it->second;
 139 }
 140
 141
 142 void Dialogs::hideAll() const
 143 {
 144         std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
 145         std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
 146
 147         for(; it != end; ++it) {
 148                 it->second->hide();
 149         }
 150         hideAllSignal();
 151 }
 152
 153
 154 void Dialogs::hideBufferDependent() const
 155 {
 156         std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
 157         std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
 158
 159         for(; it != end; ++it) {
 160                 Dialog * dialog =  it->second.get();
 161                 if (dialog->controller().isBufferDependent())
 162                         dialog->hide();
 163         }
 164         hideBufferDependentSignal();
 165 }
 166
 167
 168 void Dialogs::updateBufferDependent(bool switched) const
 169 {
 170         std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
 171         std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
 172
 173         for(; it != end; ++it) {
 174                 Dialog * dialog =  it->second.get();
 175                 if (switched && dialog->controller().isBufferDependent()) {
 176                         dialog->hide();
 177                 } else {
 178                         // A bit clunky, but the dialog will request
 179                         // that the kernel provides it with the necessary
 180                         // data.
 181                         dialog->RestoreButton();
 182                 }
 183         }
 184         updateBufferDependentSignal(switched);
 185 }
 186
 187
 188 void Dialogs::redraw() const
 189 {
 190         std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
 191         std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
 192
 193         for(; it != end; ++it) {
 194                 it->second->redraw();
 195         }
 196 }