gui/main_win.cc
author ladanyi
Fri, 29 Jul 2005 12:01:37 +0000
changeset 1606 dc4ea2010dee
parent 1601 70d169a8313a
child 1614 350c1d8bb7cc
permissions -rw-r--r--
added support for saving files
     1 #include "main_win.h"
     2 
     3 MainWin::MainWin(const std::string& title) :
     4   mapwin("Map Setup", mapstorage, gd_canvas),
     5   newmapwin("Creating new map", gd_canvas), gd_canvas(mapstorage, mapwin)
     6 {
     7 
     8   set_title (title);
     9   set_default_size(WIN_WIDTH,WIN_HEIGHT);
    10   add(vbox);
    11 
    12   ag=Gtk::ActionGroup::create();
    13 
    14   ag->add( Gtk::Action::create("FileMenu", "_File") );
    15   ag->add( Gtk::Action::create("FileNew", Gtk::Stock::NEW),
    16       sigc::mem_fun(*this, &MainWin::newFile));
    17   ag->add( Gtk::Action::create("FileOpen", Gtk::Stock::OPEN),
    18       sigc::mem_fun(*this, &MainWin::openFile));
    19   ag->add( Gtk::Action::create("FileSave", Gtk::Stock::SAVE),
    20       sigc::mem_fun(*this, &MainWin::saveFile));
    21   ag->add( Gtk::Action::create("FileSaveAs", Gtk::Stock::SAVE_AS),
    22       sigc::mem_fun(*this, &MainWin::saveFileAs));
    23   ag->add( Gtk::Action::create("Close", Gtk::Stock::CLOSE),
    24       sigc::mem_fun(*this, &MainWin::close));
    25   ag->add( Gtk::Action::create("Quit", Gtk::Stock::QUIT),
    26       sigc::mem_fun(*this, &MainWin::hide));
    27 
    28   ag->add( Gtk::Action::create("ViewMenu", "_View") );
    29   ag->add( Gtk::Action::create("ViewZoomIn", Gtk::Stock::ZOOM_IN),
    30       sigc::mem_fun(this->gd_canvas, &GraphDisplayerCanvas::zoomIn));
    31   ag->add( Gtk::Action::create("ViewZoomOut", Gtk::Stock::ZOOM_OUT),
    32       sigc::mem_fun(this->gd_canvas, &GraphDisplayerCanvas::zoomOut));
    33   ag->add( Gtk::Action::create("ViewZoomFit", Gtk::Stock::ZOOM_FIT),
    34       sigc::mem_fun(this->gd_canvas, &GraphDisplayerCanvas::zoomFit));
    35   ag->add( Gtk::Action::create("ViewZoom100", Gtk::Stock::ZOOM_100),
    36       sigc::mem_fun(this->gd_canvas, &GraphDisplayerCanvas::zoom100));
    37   
    38   ag->add( Gtk::Action::create("ShowMenu", "_Show") );
    39   ag->add( Gtk::Action::create("ShowMaps", "_Maps"),
    40       sigc::mem_fun(this->mapwin, &MapWin::show));
    41 
    42   Gtk::RadioAction::Group tool_group;
    43   ag->add( Gtk::RadioAction::create(tool_group, "MoveItem", Gtk::Stock::CONVERT, "Move"),
    44       sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 0) );
    45   ag->add( Gtk::RadioAction::create(tool_group, "CreateNode", Gtk::Stock::NO, "Create node"),
    46       sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 1) );
    47   ag->add( Gtk::RadioAction::create(tool_group, "CreateEdge", Gtk::Stock::REMOVE, "Create edge"),
    48       sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 2) );
    49   ag->add( Gtk::RadioAction::create(tool_group, "EraseItem", Gtk::Stock::DELETE, "Delete"),
    50       sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 3) );
    51   ag->add( Gtk::Action::create("EditEdgeMap", Gtk::Stock::PROPERTIES),
    52       sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 4) );
    53   ag->add( Gtk::Action::create("EditNodeMap", Gtk::Stock::PREFERENCES),
    54       sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 5) );
    55   ag->add( Gtk::Action::create("AddMap", Gtk::Stock::NEW),
    56       sigc::mem_fun ( this->newmapwin, &NewMapWin::show ) );
    57 
    58   uim=Gtk::UIManager::create();
    59   uim->insert_action_group(ag);
    60   add_accel_group(uim->get_accel_group());
    61 
    62   try
    63   {
    64 
    65     Glib::ustring ui_info =
    66       "<ui>"
    67       "  <menubar name='MenuBar'>"
    68       "    <menu action='FileMenu'>"
    69       "      <menuitem action='FileNew'/>"
    70       "      <menuitem action='FileOpen'/>"
    71       "      <menuitem action='FileSave'/>"
    72       "      <menuitem action='FileSaveAs'/>"
    73       "      <menuitem action='Close'/>"
    74       "      <menuitem action='Quit'/>"
    75       "    </menu>"
    76       "    <menu action='ViewMenu'>"
    77       "      <menuitem action='ViewZoomIn' />"
    78       "      <menuitem action='ViewZoomOut' />"
    79       "      <menuitem action='ViewZoomFit' />"
    80       "      <menuitem action='ViewZoom100' />"
    81       "    </menu>"
    82       "    <menu action='ShowMenu'>"
    83       "      <menuitem action='ShowMaps'/>"
    84       "    </menu>"
    85       "  </menubar>"
    86       "  <toolbar name='ToolBar'>"
    87       "    <toolitem action='FileNew' />"
    88       "    <toolitem action='FileOpen' />"
    89       "    <toolitem action='FileSave' />"
    90       "    <toolitem action='Close' />"
    91       "    <separator />"
    92       "    <toolitem action='ViewZoomIn' />"
    93       "    <toolitem action='ViewZoomOut' />"
    94       "    <toolitem action='ViewZoomFit' />"
    95       "    <toolitem action='ViewZoom100' />"
    96       "    <separator />"
    97       "    <toolitem action='MoveItem' />"
    98       "    <toolitem action='CreateNode' />"
    99       "    <toolitem action='CreateEdge' />"
   100       "    <toolitem action='EraseItem' />"
   101       "    <toolitem action='EditEdgeMap' />"
   102       "    <toolitem action='EditNodeMap' />"
   103       "    <toolitem action='AddMap' />"
   104       "  </toolbar>"
   105       "</ui>";
   106 
   107     uim->add_ui_from_string(ui_info);
   108 
   109   }
   110   catch(const Glib::Error& ex)
   111   {
   112     std::cerr << "building menus failed: " <<  ex.what();
   113   }
   114 
   115   Gtk::Widget* menubar = uim->get_widget("/MenuBar");
   116   if (menubar){
   117     vbox.pack_start(*menubar, Gtk::PACK_SHRINK);
   118   }
   119 
   120   Gtk::Widget* toolbar = uim->get_widget("/ToolBar");
   121   if (toolbar)
   122   {
   123     static_cast<Gtk::Toolbar*>(toolbar)->set_toolbar_style(Gtk::TOOLBAR_ICONS);
   124     vbox.pack_start(*toolbar, Gtk::PACK_SHRINK);
   125   }
   126 
   127   Gtk::ScrolledWindow* pScrolledWindow = manage(new Gtk::ScrolledWindow());
   128   pScrolledWindow->add(gd_canvas);
   129   vbox.pack_start(*pScrolledWindow);
   130 
   131   tooltips.set_tip(*(uim->get_widget("/ToolBar/CreateNode")),"Create Node");
   132   tooltips.enable();
   133 
   134   show_all_children();
   135 }
   136 
   137 void MainWin::newFile()
   138 {
   139   if (mapstorage.modified)
   140   {
   141     Gtk::MessageDialog mdialog("", false, Gtk::MESSAGE_WARNING,
   142         Gtk::BUTTONS_NONE);
   143     mdialog.set_message("<b>Save changes before closing?</b>", true);
   144     mdialog.add_button("Close _without Saving", Gtk::RESPONSE_REJECT);
   145     mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
   146     mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
   147     switch (mdialog.run())
   148     {
   149       case Gtk::RESPONSE_CANCEL:
   150         return;
   151       case Gtk::RESPONSE_REJECT:
   152         break;
   153       case Gtk::RESPONSE_ACCEPT:
   154         saveFile();
   155         break;
   156     }
   157   }
   158   gd_canvas.clear();
   159   mapstorage.clear();
   160   mapwin.update();
   161 }
   162 
   163 void MainWin::openFile()
   164 {
   165   if (mapstorage.modified)
   166   {
   167     Gtk::MessageDialog mdialog("", false, Gtk::MESSAGE_WARNING,
   168         Gtk::BUTTONS_NONE);
   169     mdialog.set_message("<b>Save changes before closing?</b>", true);
   170     mdialog.add_button("Close _without Saving", Gtk::RESPONSE_REJECT);
   171     mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
   172     mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
   173     switch (mdialog.run())
   174     {
   175       case Gtk::RESPONSE_CANCEL:
   176         return;
   177       case Gtk::RESPONSE_REJECT:
   178         break;
   179       case Gtk::RESPONSE_ACCEPT:
   180         saveFile();
   181         break;
   182     }
   183   }
   184   gd_canvas.clear();
   185   mapstorage.clear();
   186   Gtk::FileChooserDialog fcdialog("Open File");
   187   fcdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
   188   fcdialog.add_button(Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
   189   if (fcdialog.run() == Gtk::RESPONSE_ACCEPT)
   190   {
   191     Glib::ustring filename = fcdialog.get_filename();
   192     mapstorage.readFromFile(filename);
   193     mapstorage.file_name = filename;
   194     mapstorage.modified = false;
   195     gd_canvas.drawGraph();
   196     mapwin.update();
   197   }
   198 }
   199 
   200 void MainWin::saveFile()
   201 {
   202   if (mapstorage.file_name == "") {
   203     saveFileAs();
   204   }
   205   else
   206   {
   207     mapstorage.writeToFile(mapstorage.file_name);
   208     mapstorage.modified = false;
   209   }
   210 }
   211 
   212 void MainWin::saveFileAs()
   213 {
   214   Gtk::FileChooserDialog fcdialog("Save File", Gtk::FILE_CHOOSER_ACTION_SAVE);
   215   fcdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
   216   fcdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
   217   if (fcdialog.run() == Gtk::RESPONSE_ACCEPT)
   218   {
   219     Glib::ustring filename = fcdialog.get_filename();
   220     mapstorage.file_name = filename;
   221     mapstorage.writeToFile(filename);
   222     mapstorage.modified = false;
   223   }
   224 }
   225 
   226 void MainWin::close()
   227 {
   228   if (mapstorage.modified)
   229   {
   230     Gtk::MessageDialog mdialog("", false, Gtk::MESSAGE_WARNING,
   231         Gtk::BUTTONS_NONE);
   232     mdialog.set_message("<b>Save changes before closing?</b>", true);
   233     mdialog.add_button("Close _without Saving", Gtk::RESPONSE_REJECT);
   234     mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
   235     mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
   236     switch (mdialog.run())
   237     {
   238       case Gtk::RESPONSE_CANCEL:
   239         return;
   240       case Gtk::RESPONSE_REJECT:
   241         break;
   242       case Gtk::RESPONSE_ACCEPT:
   243         saveFile();
   244         break;
   245     }
   246   }
   247   gd_canvas.clear();
   248   mapstorage.clear();
   249   mapwin.update();
   250 }