src/frontends/gtk/GView.C

   1 /**
   2  * \file gtk/GView.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Huang Ying
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12 #include <gtkmm.h>
  13
  14 #include "GView.h"
  15 #include "GMenubar.h"
  16 #include "GMiniBuffer.h"
  17 #include "GToolbar.h"
  18
  19 #include "BufferView.h"
  20 #include "lyx_cb.h"
  21 #include "lyxfunc.h"
  22 #include "MenuBackend.h"
  23
  24 #include "support/filetools.h"
  25
  26 #include <boost/bind.hpp>
  27
  28 #include <vector>
  29
  30 using std::string;
  31
  32
  33 BufferView * current_view;
  34
  35 GView * GView::view_ = 0;
  36
  37
  38 namespace {
  39
  40 void add_el(Gtk::Box::BoxList & list, Gtk::Box & box, bool shrink)
  41 {
  42         Gtk::PackOptions const packing =
  43                 shrink ? Gtk::PACK_SHRINK : Gtk::PACK_EXPAND_WIDGET;
  44         list.push_back(Gtk::Box_Helpers::Element(box, packing));
  45 }
  46
  47 } // namespace anon
  48
  49
  50 GView::GView()
  51 {
  52         view_ = this;
  53
  54         // The physical store for the boxes making up the layout.
  55         box_store_.push_back(boost::shared_ptr<Gtk::Box>(new Gtk::VBox));
  56         box_store_.push_back(boost::shared_ptr<Gtk::Box>(new Gtk::HBox));
  57         box_store_.push_back(boost::shared_ptr<Gtk::Box>(new Gtk::VBox));
  58         box_store_.push_back(boost::shared_ptr<Gtk::Box>(new Gtk::HBox));
  59         box_store_.push_back(boost::shared_ptr<Gtk::Box>(new Gtk::HBox));
  60         box_store_.push_back(boost::shared_ptr<Gtk::Box>(new Gtk::HBox));
  61
  62         // Lay them out correctly.
  63         add(top_box_);
  64
  65         Gtk::Box::BoxList & layout1 = top_box_.children();
  66         add_el(layout1, *box_store_[0], true);
  67         add_el(layout1, *box_store_[1], true);
  68         add_el(layout1, *box_store_[2], true);
  69
  70         Gtk::Box::BoxList & layout2 = box_store_[1]->children();
  71         add_el(layout2, *box_store_[3], true);
  72         add_el(layout2, *box_store_[4], false);
  73         add_el(layout2, *box_store_[5], true);
  74
  75         // Define accessors to the various Boxes.
  76         box_map_[Top]    = box_store_[0];
  77         box_map_[Bottom] = box_store_[2];
  78         box_map_[Left]   = box_store_[3];
  79         box_map_[Center] = box_store_[4];
  80         box_map_[Right]  = box_store_[5];
  81
  82         // Make all Boxes visible.
  83         top_box_.show();
  84         BoxStore::iterator it = box_store_.begin();
  85         BoxStore::iterator const end = box_store_.end();
  86         for (; it != end; ++it)
  87                 (*it)->show();
  88
  89         // Define the components making up the window.
  90         menubar_.reset(new GMenubar(this, menubackend));
  91         toolbar_.reset(new GToolbar(this, 0, 0));
  92         toolbar_->init();
  93         bufferview_.reset(new BufferView(this, 0, 0, 300, 300));
  94         ::current_view = bufferview_.get();
  95         minibuffer_.reset(new GMiniBuffer(this, *controlcommand_));
  96
  97         focus_command_buffer.connect(
  98                 boost::bind(&GMiniBuffer::editMode, minibuffer_.get()));
  99         view_state_changed.connect(boost::bind(&GView::showViewState, this));
 100         signal_focus_in_event().connect(SigC::slot(*this, &GView::onFocusIn));
 101         set_default_size(500, 550);
 102         // Make sure the buttons are disabled if needed.
 103         updateToolbar();
 104         string const iconName =
 105                 lyx::support::LibFileSearch("images", "lyx", "xpm");
 106         if (!iconName.empty())
 107                 set_icon_from_file(iconName);
 108 }
 109
 110
 111 GView::~GView()
 112 {}
 113
 114
 115 Gtk::Box & GView::getBox(Position pos)
 116 {
 117         return *box_map_[pos];
 118 }
 119
 120
 121 bool GView::on_delete_event(GdkEventAny * /*event*/)
 122 {
 123         QuitLyX();
 124         return true;
 125 }
 126
 127
 128 bool GView::onFocusIn(GdkEventFocus * /*event*/)
 129 {
 130         workArea_->grab_focus();
 131         return true;
 132 }
 133
 134
 135 void GView::prohibitInput() const
 136 {
 137         view()->hideCursor();
 138         const_cast<GView*>(this)->set_sensitive(false);
 139 }
 140
 141
 142 void GView::allowInput() const
 143 {
 144         const_cast<GView*>(this)->set_sensitive(true);
 145 }
 146
 147
 148 void GView::message(string const & msg)
 149 {
 150         minibuffer_->message(msg);
 151 }
 152
 153
 154 void GView::showViewState()
 155 {
 156         message(getLyXFunc().viewStatusMessage());
 157 }
 158
 159
 160 void GView::setWindowTitle(string const & t, string const & /*it*/)
 161 {
 162         set_title(Glib::locale_to_utf8(t));
 163 }
 164
 165
 166 void GView::busy(bool yes) const
 167 {
 168         if (yes ) {
 169                 view()->hideCursor();
 170                 Gdk::Cursor cursor(Gdk::WATCH);
 171                 const_cast<GView *>(this)->get_window()->set_cursor(cursor);
 172                 const_cast<GView *>(this)->set_sensitive(false);
 173         } else {
 174                 const_cast<GView *>(this)->get_window()->set_cursor();
 175                 const_cast<GView *>(this)->set_sensitive(true);
 176         }
 177 }
 178
 179
 180 void GView::clearMessage()
 181 {
 182         message(getLyXFunc().viewStatusMessage());
 183 }