src/html/helpfrm.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/html/helpfrm.cpp
   3 // Purpose:     wxHtmlHelpFrame
   4 // Notes:       Based on htmlhelp.cpp, implementing a monolithic
   5 //              HTML Help controller class,  by Vaclav Slavik
   6 // Author:      Harm van der Heijden and Vaclav Slavik
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Harm van der Heijden and Vaclav Slavik
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h"
  13
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #if wxUSE_WXHTML_HELP
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/object.h"
  24     #include "wx/dynarray.h"
  25     #include "wx/intl.h"
  26     #include "wx/log.h"
  27     #if wxUSE_STREAMS
  28         #include "wx/stream.h"
  29     #endif
  30
  31     #include "wx/sizer.h"
  32
  33     #include "wx/bmpbuttn.h"
  34     #include "wx/statbox.h"
  35     #include "wx/radiobox.h"
  36     #include "wx/menu.h"
  37     #include "wx/settings.h"
  38     #include "wx/msgdlg.h"
  39     #include "wx/textctrl.h"
  40     #include "wx/toolbar.h"
  41     #include "wx/choicdlg.h"
  42     #include "wx/filedlg.h"
  43 #endif // WX_PRECOMP
  44
  45 #include "wx/html/helpfrm.h"
  46 #include "wx/html/helpctrl.h"
  47 #include "wx/notebook.h"
  48 #include "wx/imaglist.h"
  49 #include "wx/treectrl.h"
  50 #include "wx/tokenzr.h"
  51 #include "wx/wfstream.h"
  52 #include "wx/html/htmlwin.h"
  53 #include "wx/busyinfo.h"
  54 #include "wx/progdlg.h"
  55 #include "wx/fontenum.h"
  56 #include "wx/artprov.h"
  57 #include "wx/spinctrl.h"
  58
  59 IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpFrame, wxFrame)
  60
  61 BEGIN_EVENT_TABLE(wxHtmlHelpFrame, wxFrame)
  62     EVT_ACTIVATE(wxHtmlHelpFrame::OnActivate)
  63     EVT_CLOSE(wxHtmlHelpFrame::OnCloseWindow)
  64 #ifdef __WXMAC__
  65     EVT_MENU(wxID_CLOSE, wxHtmlHelpFrame::OnClose)
  66     EVT_MENU(wxID_ABOUT, wxHtmlHelpFrame::OnAbout)
  67     EVT_MENU(wxID_HELP_CONTENTS, wxHtmlHelpFrame::OnAbout)
  68 #endif
  69 END_EVENT_TABLE()
  70
  71 wxHtmlHelpFrame::wxHtmlHelpFrame(wxWindow* parent, wxWindowID id, const wxString& title,
  72                                  int style, wxHtmlHelpData* data
  73 #if wxUSE_CONFIG
  74                                  , wxConfigBase *config, const wxString& rootpath
  75 #endif // wxUSE_CONFIG
  76                                  )
  77 {
  78     Init(data);
  79     Create(parent, id, title, style
  80 #if wxUSE_CONFIG
  81         , config, rootpath
  82 #endif // wxUSE_CONFIG
  83         );
  84 }
  85
  86 void wxHtmlHelpFrame::Init(wxHtmlHelpData* data)
  87 {
  88     // Simply pass the pointer on to the help window
  89     m_Data = data;
  90     m_HtmlHelpWin = NULL;
  91     m_helpController = NULL;
  92     m_shouldPreventAppExit = false;
  93 }
  94
  95 void wxHtmlHelpFrame::SetController(wxHtmlHelpController* controller)
  96 {
  97     m_helpController = controller;
  98     if ( m_HtmlHelpWin )
  99         m_HtmlHelpWin->SetController(controller);
 100 }
 101
 102 // Create: builds the GUI components.
 103 bool wxHtmlHelpFrame::Create(wxWindow* parent, wxWindowID id,
 104                              const wxString& WXUNUSED(title), int style
 105 #if wxUSE_CONFIG
 106                              , wxConfigBase *config, const wxString& rootpath
 107 #endif // wxUSE_CONFIG
 108                              )
 109 {
 110     m_HtmlHelpWin = new wxHtmlHelpWindow(m_Data);
 111     m_HtmlHelpWin->SetController(m_helpController);
 112 #if wxUSE_CONFIG
 113     if ( config )
 114         m_HtmlHelpWin->UseConfig(config, rootpath);
 115 #endif // wxUSE_CONFIG
 116
 117     wxFrame::Create(parent, id, _("Help"),
 118                     wxPoint(m_HtmlHelpWin->GetCfgData().x, m_HtmlHelpWin->GetCfgData().y),
 119                     wxSize(m_HtmlHelpWin->GetCfgData().w, m_HtmlHelpWin->GetCfgData().h),
 120                     wxDEFAULT_FRAME_STYLE, wxT("wxHtmlHelp"));
 121 #if wxUSE_STATUSBAR
 122     CreateStatusBar();
 123 #endif
 124     m_HtmlHelpWin->Create(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
 125         wxTAB_TRAVERSAL|wxNO_BORDER, style);
 126
 127     GetPosition(& (m_HtmlHelpWin->GetCfgData().x), & (m_HtmlHelpWin->GetCfgData()).y);
 128
 129     SetIcons(wxArtProvider::GetIconBundle(wxART_HELP, wxART_FRAME_ICON));
 130
 131     // On the Mac, each modeless frame must have a menubar.
 132     // TODO: add more menu items, and perhaps add a style to show
 133     // the menubar: compulsory on the Mac, optional elsewhere.
 134 #ifdef __WXMAC__
 135     wxMenuBar* menuBar = new wxMenuBar;
 136
 137     wxMenu* fileMenu = new wxMenu;
 138     fileMenu->Append(wxID_HTML_OPENFILE, _("&Open..."));
 139     fileMenu->AppendSeparator();
 140     fileMenu->Append(wxID_CLOSE, _("&Close"));
 141
 142     wxMenu* helpMenu = new wxMenu;
 143     helpMenu->Append(wxID_ABOUT, _("&About..."));
 144     // Ensures we don't get an empty help menu
 145     helpMenu->Append(wxID_HELP_CONTENTS, _("&About..."));
 146
 147     menuBar->Append(fileMenu,_("&File"));
 148     menuBar->Append(helpMenu,_("&Help"));
 149     SetMenuBar(menuBar);
 150 #endif
 151
 152     m_HtmlHelpWin->GetHtmlWindow()->SetRelatedFrame(this, m_TitleFormat);
 153 #if wxUSE_STATUSBAR
 154     m_HtmlHelpWin->GetHtmlWindow()->SetRelatedStatusBar(0);
 155 #endif
 156     return true;
 157 }
 158
 159 wxHtmlHelpFrame::~wxHtmlHelpFrame()
 160 {
 161 }
 162
 163 void wxHtmlHelpFrame::SetTitleFormat(const wxString& format)
 164 {
 165     if (GetHelpWindow() && GetHelpWindow()->GetHtmlWindow())
 166         GetHelpWindow()->GetHtmlWindow()->SetRelatedFrame(this, format);
 167     m_TitleFormat = format;
 168 }
 169
 170 /*
 171 EVENT HANDLING :
 172 */
 173
 174
 175 void wxHtmlHelpFrame::OnActivate(wxActivateEvent& event)
 176 {
 177     // This saves one mouse click when using the
 178     // wxHTML for context sensitive help systems
 179 #ifndef __WXGTK__
 180     // NB: wxActivateEvent is a bit broken in wxGTK
 181     //     and is sometimes sent when it should not be
 182     if (event.GetActive() && m_HtmlHelpWin)
 183         m_HtmlHelpWin->GetHtmlWindow()->SetFocus();
 184 #endif
 185
 186     event.Skip();
 187 }
 188
 189 void wxHtmlHelpFrame::OnCloseWindow(wxCloseEvent& evt)
 190 {
 191     if (!IsIconized())
 192     {
 193         GetSize(& (m_HtmlHelpWin->GetCfgData().w), &(m_HtmlHelpWin->GetCfgData().h));
 194         GetPosition(& (m_HtmlHelpWin->GetCfgData().x), & (m_HtmlHelpWin->GetCfgData().y));
 195     }
 196
 197 #ifdef __WXGTK__
 198     if (IsGrabbed())
 199     {
 200         RemoveGrab();
 201     }
 202 #endif
 203
 204     if (m_HtmlHelpWin->GetSplitterWindow() && m_HtmlHelpWin->GetCfgData().navig_on)
 205         m_HtmlHelpWin->GetCfgData().sashpos = m_HtmlHelpWin->GetSplitterWindow()->GetSashPosition();
 206
 207     if (m_helpController && m_helpController->IsKindOf(CLASSINFO(wxHtmlHelpController)))
 208     {
 209         ((wxHtmlHelpController*) m_helpController)->OnCloseFrame(evt);
 210     }
 211
 212     evt.Skip();
 213 }
 214
 215 // Make the help controller's frame 'modal' if
 216 // needed
 217 void wxHtmlHelpFrame::AddGrabIfNeeded()
 218 {
 219     // So far, wxGTK only
 220 #ifdef __WXGTK__
 221     bool needGrab = false;
 222
 223     // Check if there are any modal windows present,
 224     // in which case we need to add a grab.
 225     for ( wxWindowList::iterator it = wxTopLevelWindows.begin();
 226           it != wxTopLevelWindows.end();
 227           ++it )
 228     {
 229         wxWindow *win = *it;
 230         wxDialog *dialog = wxDynamicCast(win, wxDialog);
 231
 232         if (dialog && dialog->IsModal())
 233             needGrab = true;
 234     }
 235
 236     if (needGrab)
 237         AddGrab();
 238 #endif // __WXGTK__
 239 }
 240
 241 #if wxUSE_CONFIG
 242 // For compatibility
 243 void wxHtmlHelpFrame::UseConfig(wxConfigBase *config, const wxString& rootPath)
 244 {
 245     if (m_HtmlHelpWin)
 246         m_HtmlHelpWin->UseConfig(config, rootPath);
 247 }
 248 #endif // wxUSE_CONFIG
 249
 250 void wxHtmlHelpFrame::SetShouldPreventAppExit(bool enable)
 251 {
 252     m_shouldPreventAppExit = enable;
 253 }
 254
 255 #ifdef __WXMAC__
 256 void wxHtmlHelpFrame::OnClose(wxCommandEvent& WXUNUSED(event))
 257 {
 258     Close(true);
 259 }
 260
 261 void wxHtmlHelpFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 262 {
 263     wxMessageBox(wxT("wxWidgets HTML Help Viewer (c) 1998-2006, Vaclav Slavik et al"), wxT("HelpView"),
 264         wxICON_INFORMATION|wxOK, this);
 265 }
 266 #endif
 267
 268 #endif // wxUSE_WXHTML_HELP