src/html/helpctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpctrl.cpp
   3 // Purpose:     wxHtmlHelpController
   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 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #include "wx/defs.h"
  24
  25 #if wxUSE_HTML && wxUSE_STREAMS
  26
  27 #include "wx/html/helpctrl.h"
  28 #include "wx/wx.h"
  29 #include "wx/busyinfo.h"
  30
  31 #if wxUSE_HELP
  32 #include "wx/tipwin.h"
  33 #endif
  34
  35 IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpController, wxHelpControllerBase)
  36
  37 wxHtmlHelpController::wxHtmlHelpController(int style)
  38 {
  39     m_helpFrame = NULL;
  40     m_Config = NULL;
  41     m_ConfigRoot = wxEmptyString;
  42     m_titleFormat = _("Help: %s");
  43     m_FrameStyle = style;
  44 }
  45
  46 wxHtmlHelpController::~wxHtmlHelpController()
  47 {
  48     if (m_Config)
  49         WriteCustomization(m_Config, m_ConfigRoot);
  50     if (m_helpFrame)
  51         DestroyHelpWindow();
  52 }
  53
  54
  55 void wxHtmlHelpController::DestroyHelpWindow()
  56 {
  57     //if (m_Config) WriteCustomization(m_Config, m_ConfigRoot);
  58     if (m_helpFrame)
  59         m_helpFrame->Destroy();
  60 }
  61
  62 void wxHtmlHelpController::OnCloseFrame(wxCloseEvent& evt)
  63 {
  64     evt.Skip();
  65
  66     OnQuit();
  67
  68     m_helpFrame->SetController((wxHelpControllerBase*) NULL);
  69     m_helpFrame = NULL;
  70 }
  71
  72 void wxHtmlHelpController::SetTitleFormat(const wxString& title)
  73 {
  74     m_titleFormat = title;
  75     if (m_helpFrame)
  76         m_helpFrame->SetTitleFormat(title);
  77 }
  78
  79
  80 bool wxHtmlHelpController::AddBook(const wxString& book, bool show_wait_msg)
  81 {
  82     wxBusyCursor cur;
  83 #if wxUSE_BUSYINFO
  84     wxBusyInfo* busy = NULL;
  85     wxString info;
  86     if (show_wait_msg)
  87     {
  88         info.Printf(_("Adding book %s"), book.c_str());
  89         busy = new wxBusyInfo(info);
  90     }
  91 #endif
  92     bool retval = m_helpData.AddBook(book);
  93 #if wxUSE_BUSYINFO
  94     if (show_wait_msg)
  95         delete busy;
  96 #endif
  97     return retval;
  98 }
  99
 100
 101
 102 wxHtmlHelpFrame *wxHtmlHelpController::CreateHelpFrame(wxHtmlHelpData *data)
 103 {
 104     return new wxHtmlHelpFrame(data);
 105 }
 106
 107
 108 void wxHtmlHelpController::CreateHelpWindow()
 109 {
 110     if (m_helpFrame)
 111     {
 112         m_helpFrame->Raise();
 113         return ;
 114     }
 115
 116     if (m_Config == NULL)
 117     {
 118         m_Config = wxConfigBase::Get(FALSE);
 119         if (m_Config != NULL)
 120             m_ConfigRoot = _T("wxWindows/wxHtmlHelpController");
 121     }
 122
 123     m_helpFrame = CreateHelpFrame(&m_helpData);
 124     m_helpFrame->SetController(this);
 125
 126     if (m_Config)
 127         m_helpFrame->UseConfig(m_Config, m_ConfigRoot);
 128
 129     m_helpFrame->Create(NULL, wxID_HTML_HELPFRAME, wxEmptyString, m_FrameStyle);
 130     m_helpFrame->SetTitleFormat(m_titleFormat);
 131     m_helpFrame->Show(TRUE);
 132 }
 133
 134 void wxHtmlHelpController::ReadCustomization(wxConfigBase* cfg, const wxString& path)
 135 {
 136     /* should not be called by the user; call UseConfig, and the controller
 137      * will do the rest */
 138     if (m_helpFrame && cfg)
 139         m_helpFrame->ReadCustomization(cfg, path);
 140 }
 141
 142 void wxHtmlHelpController::WriteCustomization(wxConfigBase* cfg, const wxString& path)
 143 {
 144     /* typically called by the controllers OnCloseFrame handler */
 145     if (m_helpFrame && cfg)
 146         m_helpFrame->WriteCustomization(cfg, path);
 147 }
 148
 149 void wxHtmlHelpController::UseConfig(wxConfigBase *config, const wxString& rootpath)
 150 {
 151     m_Config = config;
 152     m_ConfigRoot = rootpath;
 153     if (m_helpFrame) m_helpFrame->UseConfig(config, rootpath);
 154     ReadCustomization(config, rootpath);
 155 }
 156
 157 //// Backward compatibility with wxHelpController API
 158
 159 bool wxHtmlHelpController::Initialize(const wxString& file)
 160 {
 161     wxString dir, filename, ext;
 162     wxSplitPath(file, & dir, & filename, & ext);
 163
 164     if (!dir.IsEmpty())
 165         dir = dir + wxString(wxT("/"));
 166
 167     // Try to find a suitable file
 168     wxString actualFilename = dir + filename + wxString(wxT(".zip"));
 169     if (!wxFileExists(actualFilename))
 170     {
 171         actualFilename = dir + filename + wxString(wxT(".htb"));
 172         if (!wxFileExists(actualFilename))
 173         {
 174             actualFilename = dir + filename + wxString(wxT(".hhp"));
 175             if (!wxFileExists(actualFilename))
 176                 return FALSE;
 177         }
 178     }
 179
 180     return AddBook(actualFilename);
 181 }
 182
 183 bool wxHtmlHelpController::LoadFile(const wxString& WXUNUSED(file))
 184 {
 185     // Don't reload the file or we'll have it appear again, presumably.
 186     return TRUE;
 187 }
 188
 189 bool wxHtmlHelpController::DisplaySection(int sectionNo)
 190 {
 191     return Display(sectionNo);
 192 }
 193
 194 bool wxHtmlHelpController::DisplayTextPopup(const wxString& text, const wxPoint& WXUNUSED(pos))
 195 {
 196 #if wxUSE_HELP
 197     static wxTipWindow* s_tipWindow = NULL;
 198
 199     if (s_tipWindow)
 200     {
 201         // Prevent s_tipWindow being nulled in OnIdle,
 202         // thereby removing the chance for the window to be closed by ShowHelp
 203         s_tipWindow->SetTipWindowPtr(NULL);
 204         s_tipWindow->Close();
 205     }
 206     s_tipWindow = NULL;
 207
 208     if ( !text.empty() )
 209     {
 210         s_tipWindow = new wxTipWindow(wxTheApp->GetTopWindow(), text, 100, & s_tipWindow);
 211
 212         return TRUE;
 213     }
 214
 215     return FALSE;
 216 #endif
 217     return FALSE;
 218 }
 219
 220 void wxHtmlHelpController::SetFrameParameters(const wxString& title,
 221                                    const wxSize& size,
 222                                    const wxPoint& pos,
 223                                    bool WXUNUSED(newFrameEachTime))
 224 {
 225     SetTitleFormat(title);
 226     if (m_helpFrame)
 227     {
 228         m_helpFrame->SetSize(pos.x, pos.y, size.x, size.y);
 229     }
 230 }
 231
 232 wxFrame* wxHtmlHelpController::GetFrameParameters(wxSize *size,
 233                                    wxPoint *pos,
 234                                    bool *newFrameEachTime)
 235 {
 236     if (newFrameEachTime)
 237         (* newFrameEachTime) = FALSE;
 238     if (size && m_helpFrame)
 239         (* size) = m_helpFrame->GetSize();
 240     if (pos && m_helpFrame)
 241         (* pos) = m_helpFrame->GetPosition();
 242     return m_helpFrame;
 243 }
 244
 245 bool wxHtmlHelpController::Quit()
 246 {
 247     DestroyHelpWindow();
 248     return TRUE;
 249 }
 250
 251
 252 #endif