]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/help/demo.cpp
remove HWND association when DestroyWindow
[wxWidgets.git] / samples / help / demo.cpp
index 1980c9f2652ce2d03d342959bbc348d8809be24b..ff02c60120e18b685b025c31f74bc839a35963ae 100644 (file)
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
-#ifdef __GNUG__
-    #pragma implementation "demo.cpp"
-    #pragma interface "demo.cpp"
-#endif
 
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-    #pragma hdrstop
+#   pragma hdrstop
 #endif
 
 // for all others, include the necessary headers (this file is usually all you
 // need because it includes almost all "standard" wxWindows headers
 #ifndef WX_PRECOMP
-    #include "wx/wx.h"
+#   include "wx/wx.h"
+#endif
+
+#   include "wx/image.h"
+#   include "wx/help.h"
+
+// define this to 1 to use HTML help even under Windows (by default, Windows
+// version will use WinHelp).
+// Please also see samples/html/helpview.
+
+#define USE_HTML_HELP 1
+
+#if !wxUSE_HTML
+#undef USE_HTML_HELP
+#define USE_HTML_HELP 0
 #endif
 
-#include   "wx/helpbase.h"
-#include   "wx/help.h"
+#if USE_HTML_HELP
+
+#include <wx/filesys.h>
+#include <wx/fs_zip.h>
+
+#include "wx/generic/helpwxht.h"
+#include "wx/html/helpctrl.h"
+#endif
 
 // ----------------------------------------------------------------------------
 // ressources
@@ -69,12 +85,29 @@ public:
     // ctor(s)
     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
 
+    wxHelpController& GetHelpController() { return m_help; }
+
+#if USE_HTML_HELP
+    wxHelpControllerHtml& GetHtmlHelpController() { return m_htmlHelp; }
+    wxHtmlHelpController& GetAdvancedHtmlHelpController() { return m_advancedHtmlHelp; }
+#endif
+
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);
     void OnHelp(wxCommandEvent& event);
+    void OnHtmlHelp(wxCommandEvent& event);
+    void OnAdvancedHtmlHelp(wxCommandEvent& event);
+
+    void ShowHelp(int commandId, wxHelpControllerBase& helpController);
 
 private:
-   wxHelpController  help;
+   wxHelpController         m_help;
+
+#if USE_HTML_HELP
+   wxHelpControllerHtml     m_htmlHelp;
+   wxHtmlHelpController     m_advancedHtmlHelp;
+#endif
+
     // any class wishing to process wxWindows events must use this macro
    DECLARE_EVENT_TABLE()
 };
@@ -92,10 +125,23 @@ enum
     HelpDemo_Help_Classes,
     HelpDemo_Help_Functions,
     HelpDemo_Help_Help,
+    HelpDemo_Help_Search,
+
+    HelpDemo_Html_Help_Index,
+    HelpDemo_Html_Help_Classes,
+    HelpDemo_Html_Help_Functions,
+    HelpDemo_Html_Help_Help,
+    HelpDemo_Html_Help_Search,
+
+    HelpDemo_Advanced_Html_Help_Index,
+    HelpDemo_Advanced_Html_Help_Classes,
+    HelpDemo_Advanced_Html_Help_Functions,
+    HelpDemo_Advanced_Html_Help_Help,
+    HelpDemo_Advanced_Html_Help_Search,
+
     HelpDemo_Help_KDE,
     HelpDemo_Help_GNOME,
     HelpDemo_Help_Netscape,
-    HelpDemo_Help_Search,
     // controls start here (the numbers are, of course, arbitrary)
     HelpDemo_Text = 1000,
 };
@@ -113,10 +159,23 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(HelpDemo_Help_Classes, MyFrame::OnHelp)
     EVT_MENU(HelpDemo_Help_Functions, MyFrame::OnHelp)
     EVT_MENU(HelpDemo_Help_Help, MyFrame::OnHelp)
+    EVT_MENU(HelpDemo_Help_Search, MyFrame::OnHelp)
+
+    EVT_MENU(HelpDemo_Html_Help_Index, MyFrame::OnHtmlHelp)
+    EVT_MENU(HelpDemo_Html_Help_Classes, MyFrame::OnHtmlHelp)
+    EVT_MENU(HelpDemo_Html_Help_Functions, MyFrame::OnHtmlHelp)
+    EVT_MENU(HelpDemo_Html_Help_Help, MyFrame::OnHtmlHelp)
+    EVT_MENU(HelpDemo_Html_Help_Search, MyFrame::OnHtmlHelp)
+
+    EVT_MENU(HelpDemo_Advanced_Html_Help_Index, MyFrame::OnAdvancedHtmlHelp)
+    EVT_MENU(HelpDemo_Advanced_Html_Help_Classes, MyFrame::OnAdvancedHtmlHelp)
+    EVT_MENU(HelpDemo_Advanced_Html_Help_Functions, MyFrame::OnAdvancedHtmlHelp)
+    EVT_MENU(HelpDemo_Advanced_Html_Help_Help, MyFrame::OnAdvancedHtmlHelp)
+    EVT_MENU(HelpDemo_Advanced_Html_Help_Search, MyFrame::OnAdvancedHtmlHelp)
+
     EVT_MENU(HelpDemo_Help_KDE, MyFrame::OnHelp)
     EVT_MENU(HelpDemo_Help_GNOME, MyFrame::OnHelp)
     EVT_MENU(HelpDemo_Help_Netscape, MyFrame::OnHelp)
-    EVT_MENU(HelpDemo_Help_Search, MyFrame::OnHelp)
 END_EVENT_TABLE()
 
 // Create a new application object: this macro will allow wxWindows to create
@@ -137,6 +196,19 @@ IMPLEMENT_APP(MyApp)
 // `Main program' equivalent: the program execution "starts" here
 bool MyApp::OnInit()
 {
+#if wxUSE_HTML
+#if wxUSE_GIF
+    // Required for images in the online documentation
+    wxImage::AddHandler(new wxGIFHandler);
+
+    // Required for advanced HTML help
+#if wxUSE_STREAMS && wxUSE_ZIPSTREAM && wxUSE_ZLIB
+      wxFileSystem::AddHandler(new wxZipFSHandler);
+#endif
+
+#endif
+#endif
+
     // Create the main application window
     MyFrame *frame = new MyFrame("HelpDemo wxWindows App",
                                  wxPoint(50, 50), wxSize(450, 340));
@@ -144,9 +216,36 @@ bool MyApp::OnInit()
     frame->Show(TRUE);
     SetTopWindow(frame);
 
-    // success: wxApp::OnRun() will be called which will enter the main message
-    // loop and the application will run. If we returned FALSE here, the
-    // application would exit immediately.
+    // initialise the help system: this means that we'll use doc.hlp file under
+    // Windows and that the HTML docs are in the subdirectory doc for platforms
+    // using HTML help
+    if ( !frame->GetHelpController().Initialize("doc") )
+    {
+        wxLogError("Cannot initialize the help system, aborting.");
+
+        return FALSE;
+    }
+
+#if USE_HTML_HELP
+    // initialise the standard HTML help system: this means that the HTML docs are in the
+    // subdirectory doc for platforms using HTML help
+    if ( !frame->GetHtmlHelpController().Initialize("doc") )
+    {
+        wxLogError("Cannot initialize the HTML help system, aborting.");
+
+        return FALSE;
+    }
+
+    // initialise the advanced HTML help system: this means that the HTML docs are in .htb
+    // (zipped) form
+    if ( !frame->GetAdvancedHtmlHelpController().Initialize("doc") )
+    {
+        wxLogError("Cannot initialize the advanced HTML help system, aborting.");
+
+        return FALSE;
+    }
+#endif
+
     return TRUE;
 }
 
@@ -168,13 +267,29 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuFile->Append(HelpDemo_Help_Classes, "&Help on Classes...");
     menuFile->Append(HelpDemo_Help_Functions, "&Help on Functions...");
     menuFile->Append(HelpDemo_Help_Help, "&About Help Demo...");
-    menuFile->AppendSeparator();
     menuFile->Append(HelpDemo_Help_Search, "&Search help...");
-#ifdef __WXGTK__
+#if USE_HTML_HELP
+    menuFile->AppendSeparator();
+    menuFile->Append(HelpDemo_Html_Help_Index, "HTML &Help Index...");
+    menuFile->Append(HelpDemo_Html_Help_Classes, "HTML &Help on Classes...");
+    menuFile->Append(HelpDemo_Html_Help_Functions, "HTML &Help on Functions...");
+    menuFile->Append(HelpDemo_Html_Help_Help, "HTML &About Help Demo...");
+    menuFile->Append(HelpDemo_Html_Help_Search, "HTML &Search help...");
+    menuFile->AppendSeparator();
+    menuFile->Append(HelpDemo_Advanced_Html_Help_Index, "Advanced HTML &Help Index...");
+    menuFile->Append(HelpDemo_Advanced_Html_Help_Classes, "Advanced HTML &Help on Classes...");
+    menuFile->Append(HelpDemo_Advanced_Html_Help_Functions, "Advanced HTML &Help on Functions...");
+    menuFile->Append(HelpDemo_Advanced_Html_Help_Help, "Advanced HTML &About Help Demo...");
+    menuFile->Append(HelpDemo_Advanced_Html_Help_Search, "Advanced HTML &Search help...");
+#endif
+
+#ifndef __WXMSW__
+#if !wxUSE_HTML
     menuFile->AppendSeparator();
     menuFile->Append(HelpDemo_Help_KDE, "Use &KDE");
     menuFile->Append(HelpDemo_Help_GNOME, "Use &GNOME");
     menuFile->Append(HelpDemo_Help_Netscape, "Use &Netscape");
+#endif
 #endif
     menuFile->AppendSeparator();
     menuFile->Append(HelpDemo_Quit, "E&xit");
@@ -198,10 +313,6 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 
     // and a static control whose parent is the panel
     (void)new wxStaticText(panel, -1, "Hello, world!", wxPoint(10, 10));
-
-    // initialise the help system
-    help.Initialize("doc");
-   
 }
 
 
@@ -215,47 +326,84 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnHelp(wxCommandEvent& event)
 {
-   switch(event.GetId())
+    ShowHelp(event.GetId(), m_help);
+}
+
+void MyFrame::OnHtmlHelp(wxCommandEvent& event)
+{
+#if USE_HTML_HELP
+    ShowHelp(event.GetId(), m_htmlHelp);
+#endif
+}
+
+void MyFrame::OnAdvancedHtmlHelp(wxCommandEvent& event)
+{
+#if USE_HTML_HELP
+    ShowHelp(event.GetId(), m_advancedHtmlHelp);
+#endif
+}
+
+void MyFrame::ShowHelp(int commandId, wxHelpControllerBase& helpController)
+{
+   switch(commandId)
    {
 
-   // Note: these DisplaySection calls use ids that are specific to wxExtHelpController
-   // (on Unix). For WinHelp, we'd need to use different context ids.
+   // Note: For WinHelp, these ids are specified in the map session, mapping
+   // topic names to numbers.
+   // For HTML and external help, a wxhelp.map file is used.
 
    case HelpDemo_Help_Classes:
-      help.DisplaySection(1);
-      break;
-   case HelpDemo_Help_Functions:
-      help.DisplaySection(2);
-      break;
-   case HelpDemo_Help_Help:
-      help.DisplaySection(5);
-      break;
+   case HelpDemo_Html_Help_Classes:
+   case HelpDemo_Advanced_Html_Help_Classes:
+      helpController.DisplaySection(2);
 
-   // These three calls are only used by wxExtHelpController
+      // if (helpController.IsKindOf(CLASSINFO(wxHtmlHelpController)))
+      // ((wxHtmlHelpController&)helpController).Display("Classes"); // An alternative form for this controller
 
-   case HelpDemo_Help_KDE:
-      help.SetViewer("kdehelp");
       break;
-   case HelpDemo_Help_GNOME:
-      help.SetViewer("gnome-help-browser");
+   case HelpDemo_Help_Functions:
+   case HelpDemo_Html_Help_Functions:
+   case HelpDemo_Advanced_Html_Help_Functions:
+      helpController.DisplaySection(1);
       break;
-   case HelpDemo_Help_Netscape:
-      help.SetViewer("netscape", wxHELP_NETSCAPE);
+   case HelpDemo_Help_Help:
+   case HelpDemo_Html_Help_Help:
+   case HelpDemo_Advanced_Html_Help_Help:
+      helpController.DisplaySection(3);
       break;
 
    case HelpDemo_Help_Search:
+   case HelpDemo_Html_Help_Search:
+   case HelpDemo_Advanced_Html_Help_Search:
    {
       wxString key = wxGetTextFromUser("Search for?",
                                        "Search help for keyword",
                                        "",
                                        this);
       if(! key.IsEmpty())
-         help.KeywordSearch(key);
+         helpController.KeywordSearch(key);
    }
    break;
+
    case HelpDemo_Help_Index:
+   case HelpDemo_Html_Help_Index:
+   case HelpDemo_Advanced_Html_Help_Index:
+      helpController.DisplayContents();
+      break;
+
+   // These three calls are only used by wxExtHelpController
+
+   case HelpDemo_Help_KDE:
+      helpController.SetViewer("kdehelp");
+      break;
+   case HelpDemo_Help_GNOME:
+      helpController.SetViewer("gnome-help-browser");
+      break;
+   case HelpDemo_Help_Netscape:
+      helpController.SetViewer("netscape", wxHELP_NETSCAPE);
+      break;
+
    default:
-      help.DisplayContents();
       break;
    }
 }