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
  13 // Too hard to make concept checks work with this file
  14 #ifdef _GLIBCXX_CONCEPT_CHECKS
  15 #undef _GLIBCXX_CONCEPT_CHECKS
  16 #endif
  17 #ifdef _GLIBCPP_CONCEPT_CHECKS
  18 #undef _GLIBCPP_CONCEPT_CHECKS
  19 #endif
  20
  21 #include "GView.h"
  22 #include "GMenubar.h"
  23 #include "GMiniBuffer.h"
  24
  25 #include "BufferView.h"
  26 #include "lyx_cb.h"
  27 #include "lyxrc.h"
  28 #include "lyx_main.h"
  29 #include "session.h"
  30 #include "lyxfunc.h"
  31 #include "MenuBackend.h"
  32 #include "funcrequest.h"
  33
  34 #include "frontends/Toolbars.h"
  35
  36 #include "support/filetools.h"
  37 #include "support/convert.h"
  38
  39 #include <boost/bind.hpp>
  40
  41 #include <vector>
  42
  43 using std::string;
  44
  45 namespace lyx {
  46 namespace frontend {
  47
  48 namespace {
  49
  50 void add_el(Gtk::Box::BoxList & list, Gtk::Box & box, bool shrink)
  51 {
  52         Gtk::PackOptions const packing =
  53                 shrink ? Gtk::PACK_SHRINK : Gtk::PACK_EXPAND_WIDGET;
  54         list.push_back(Gtk::Box_Helpers::Element(box, packing));
  55 }
  56
  57 } // namespace anon
  58
  59
  60 GView::GView() : frontend_(*this)
  61 {
  62         // The physical store for the boxes making up the layout.
  63         box_store_.push_back(BoxPtr(new Gtk::VBox));
  64         box_store_.push_back(BoxPtr(new Gtk::HBox));
  65         box_store_.push_back(BoxPtr(new Gtk::VBox));
  66         box_store_.push_back(BoxPtr(new Gtk::HBox));
  67         box_store_.push_back(BoxPtr(new Gtk::HBox));
  68         box_store_.push_back(BoxPtr(new Gtk::HBox));
  69
  70         // Lay them out correctly.
  71         add(top_box_);
  72
  73         Gtk::Box::BoxList & layout1 = top_box_.children();
  74         add_el(layout1, *box_store_[0], true);
  75         add_el(layout1, *box_store_[1], false);
  76         add_el(layout1, *box_store_[2], true);
  77
  78         Gtk::Box::BoxList & layout2 = box_store_[1]->children();
  79         add_el(layout2, *box_store_[3], true);
  80         add_el(layout2, *box_store_[4], false);
  81         add_el(layout2, *box_store_[5], true);
  82
  83         // Define accessors to the various Boxes.
  84         box_map_[Top]    = box_store_[0];
  85         box_map_[Bottom] = box_store_[2];
  86         box_map_[Left]   = box_store_[3];
  87         box_map_[Center] = box_store_[4];
  88         box_map_[Right]  = box_store_[5];
  89
  90         // Make all Boxes visible.
  91         top_box_.show_all();
  92
  93         // Define the components making up the window.
  94         menubar_.reset(new GMenubar(this, menubackend));
  95         getToolbars().init();
  96         bufferview_.reset(new BufferView(this, 300, 300));
  97         minibuffer_.reset(new GMiniBuffer(this, *controlcommand_));
  98
  99         focus_command_buffer.connect(
 100                 boost::bind(&GMiniBuffer::editMode, minibuffer_.get()));
 101         view_state_changed.connect(boost::bind(&GView::showViewState, this));
 102         signal_focus_in_event().connect(sigc::mem_fun(*this, &GView::onFocusIn));
 103         //
 104         int width = 750;
 105         int height = 550;
 106         // first try lyxrc
 107         if (lyxrc.geometry_width != 0 && lyxrc.geometry_height != 0 ) {
 108                 width = lyxrc.geometry_width;
 109                 height = lyxrc.geometry_height;
 110         }
 111         // if lyxrc returns (0,0), then use session info
 112         else {
 113                 string val = LyX::ref().session().loadSessionInfo("WindowWidth");
 114                 if (val != "")
 115                         width = convert<unsigned int>(val);
 116                 val = LyX::ref().session().loadSessionInfo("WindowHeight");
 117                 if (val != "")
 118                         height = convert<unsigned int>(val);
 119         }
 120         set_default_size(width, height);
 121         // Make sure the buttons are disabled if needed.
 122         updateToolbars();
 123         string const iconName =
 124                 support::libFileSearch("images", "lyx", "xpm");
 125         if (!iconName.empty())
 126                 set_icon_from_file(iconName);
 127 }
 128
 129
 130 GView::~GView()
 131 {}
 132
 133
 134 Gtk::Box & GView::getBox(Position pos)
 135 {
 136         return *box_map_[pos];
 137 }
 138
 139
 140 bool GView::on_delete_event(GdkEventAny * /*event*/)
 141 {
 142         // save windows size and position
 143         Gtk::Requisition req = workArea_->size_request();
 144         LyX::ref().session().saveSessionInfo("WindowWidth", convert<string>(req.width));
 145         LyX::ref().session().saveSessionInfo("WindowHeight", convert<string>(req.height));
 146         // trigger LFUN_LYX_QUIT instead of quit directly
 147         // since LFUN_LYX_QUIT may have more cleanup stuff
 148         //
 149         getLyXFunc().dispatch(FuncRequest(LFUN_LYX_QUIT));
 150         return true;
 151 }
 152
 153
 154 bool GView::onFocusIn(GdkEventFocus * /*event*/)
 155 {
 156         workArea_->grab_focus();
 157         return true;
 158 }
 159
 160
 161 void GView::prohibitInput() const
 162 {
 163         view()->hideCursor();
 164         const_cast<GView*>(this)->set_sensitive(false);
 165 }
 166
 167
 168 void GView::allowInput() const
 169 {
 170         const_cast<GView*>(this)->set_sensitive(true);
 171 }
 172
 173
 174 void GView::message(string const & msg)
 175 {
 176         minibuffer_->message(msg);
 177 }
 178
 179
 180 void GView::showViewState()
 181 {
 182         message(getLyXFunc().viewStatusMessage());
 183 }
 184
 185
 186 void GView::setWindowTitle(string const & t, string const & /*it*/)
 187 {
 188         set_title(Glib::locale_to_utf8(t));
 189 }
 190
 191
 192 void GView::busy(bool yes) const
 193 {
 194         if (yes ) {
 195                 view()->hideCursor();
 196                 Gdk::Cursor cursor(Gdk::WATCH);
 197                 const_cast<GView *>(this)->get_window()->set_cursor(cursor);
 198                 const_cast<GView *>(this)->set_sensitive(false);
 199         } else {
 200                 const_cast<GView *>(this)->get_window()->set_cursor();
 201                 const_cast<GView *>(this)->set_sensitive(true);
 202         }
 203 }
 204
 205
 206 void GView::clearMessage()
 207 {
 208         message(getLyXFunc().viewStatusMessage());
 209 }
 210
 211
 212 bool GView::hasFocus() const
 213 {
 214         // No real implementation needed for now
 215         return true;
 216 }
 217
 218
 219 } // namespace frontend
 220 } // namespace lyx