]> git.saurik.com Git - wxWidgets.git/blobdiff - src/html/helpctrl.cpp
Optimized sizers to not call CalcMin more often than neccessary
[wxWidgets.git] / src / html / helpctrl.cpp
index d40ac14e76e3d982d49b283f6eca44f3cc9aad38..87be6838d1d4fc3e73e694672fbb56bb58a5c2f8 100644 (file)
@@ -1,16 +1,15 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        helpctrl.cpp
 // Purpose:     wxHtmlHelpController
-// Notes:       Based on htmlhelp.cpp, implementing a monolithic 
+// Notes:       Based on htmlhelp.cpp, implementing a monolithic
 //              HTML Help controller class,  by Vaclav Slavik
 // Author:      Harm van der Heijden and Vaclav Slavik
-// Created:
-// RCS-ID:
+// RCS-ID:      $Id$
 // Copyright:   (c) Harm van der Heijden and Vaclav Slavik
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "helpctrl.h"
 #endif
 
 #pragma hdrstop
 #endif
 
-#include "wx/defs.h"
+#if wxUSE_WXHTML_HELP
 
-#if wxUSE_HTML
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/intl.h"
+#endif // WX_PRECOMP
 
 #include "wx/html/helpctrl.h"
-#include "wx/wx.h"
 #include "wx/busyinfo.h"
 
-BEGIN_EVENT_TABLE(wxHtmlHelpController, wxEvtHandler)
-    EVT_CLOSE(wxHtmlHelpController::OnCloseFrame)
-END_EVENT_TABLE()
+#ifdef __WXGTK__
+    // for the hack in AddGrabIfNeeded()
+    #include "wx/dialog.h"
+#endif // __WXGTK__
 
-wxHtmlHelpController::wxHtmlHelpController()
+#if wxUSE_HELP
+    #include "wx/tipwin.h"
+#endif
+    
+
+#if wxUSE_LIBMSPACK
+#include "wx/html/forcelnk.h"
+FORCE_LINK(wxhtml_chm_support)
+#endif
+
+IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpController, wxHelpControllerBase)
+
+wxHtmlHelpController::wxHtmlHelpController(int style)
 {
     m_helpFrame = NULL;
     m_Config = NULL;
     m_ConfigRoot = wxEmptyString;
     m_titleFormat = _("Help: %s");
+    m_FrameStyle = style;
 }
 
 wxHtmlHelpController::~wxHtmlHelpController()
 {
-    WriteCustomization(m_Config, m_ConfigRoot);
+    if (m_Config)
+        WriteCustomization(m_Config, m_ConfigRoot);
+    if (m_helpFrame)
+        DestroyHelpWindow();
+}
+
+
+void wxHtmlHelpController::DestroyHelpWindow()
+{
+    //if (m_Config) WriteCustomization(m_Config, m_ConfigRoot);
     if (m_helpFrame)
-       m_helpFrame->Close();
+        m_helpFrame->Destroy();
+}
+
+void wxHtmlHelpController::OnCloseFrame(wxCloseEvent& evt)
+{
+    evt.Skip();
+
+    OnQuit();
+
+    m_helpFrame->SetController((wxHelpControllerBase*) NULL);
+    m_helpFrame = NULL;
 }
 
 void wxHtmlHelpController::SetTitleFormat(const wxString& title)
 {
     m_titleFormat = title;
     if (m_helpFrame)
-       m_helpFrame->SetTitleFormat(title);
+        m_helpFrame->SetTitleFormat(title);
+}
+
+
+bool wxHtmlHelpController::AddBook(const wxFileName& book_file, bool show_wait_msg)
+{
+    return AddBook(wxFileSystem::FileNameToURL(book_file), show_wait_msg);
 }
 
 bool wxHtmlHelpController::AddBook(const wxString& book, bool show_wait_msg)
 {
     wxBusyCursor cur;
 #if wxUSE_BUSYINFO
-    wxBusyInfo* busy;
+    wxBusyInfo* busy = NULL;
     wxString info;
-    if (show_wait_msg) {
-       info.Printf(_("Adding book %s"), book.c_str());
-       busy = new wxBusyInfo(info);
+    if (show_wait_msg)
+    {
+        info.Printf(_("Adding book %s"), book.c_str());
+        busy = new wxBusyInfo(info);
     }
 #endif
     bool retval = m_helpData.AddBook(book);
 #if wxUSE_BUSYINFO
     if (show_wait_msg)
-       delete busy;
+        delete busy;
+#else
+    wxUnusedVar(show_wait_msg);
 #endif
+    if (m_helpFrame) 
+        m_helpFrame->RefreshLists();
     return retval;
 }
 
-void wxHtmlHelpController::CreateHelpWindow(bool show_progress)
+
+
+wxHtmlHelpFrame *wxHtmlHelpController::CreateHelpFrame(wxHtmlHelpData *data)
+{
+    return new wxHtmlHelpFrame(data);
+}
+
+
+void wxHtmlHelpController::CreateHelpWindow()
 {
-    if (m_helpFrame) {
-       m_helpFrame->Raise();
-       return;
+    if (m_helpFrame)
+    {
+        m_helpFrame->Raise();
+        return ;
+    }
+
+    if (m_Config == NULL)
+    {
+        m_Config = wxConfigBase::Get(FALSE);
+        if (m_Config != NULL)
+            m_ConfigRoot = _T("wxWindows/wxHtmlHelpController");
     }
-    m_helpFrame = new wxHtmlHelpFrame(&m_helpData);
-    m_helpFrame->PushEventHandler(this);
+
+    m_helpFrame = CreateHelpFrame(&m_helpData);
+    m_helpFrame->SetController(this);
+
     if (m_Config)
-       m_helpFrame->UseConfig(m_Config, m_ConfigRoot);
-    m_helpFrame->Create(NULL, wxID_HTML_HELPFRAME);
-    m_helpFrame->RefreshLists(show_progress);
+        m_helpFrame->UseConfig(m_Config, m_ConfigRoot);
+
+    m_helpFrame->Create(NULL, wxID_HTML_HELPFRAME, wxEmptyString, m_FrameStyle);
     m_helpFrame->SetTitleFormat(m_titleFormat);
+
     m_helpFrame->Show(TRUE);
 }
 
@@ -94,15 +158,189 @@ void wxHtmlHelpController::ReadCustomization(wxConfigBase* cfg, const wxString&
 {
     /* should not be called by the user; call UseConfig, and the controller
      * will do the rest */
-    if (m_helpFrame)
-       m_helpFrame->ReadCustomization(cfg, path);
+    if (m_helpFrame && cfg)
+        m_helpFrame->ReadCustomization(cfg, path);
 }
 
 void wxHtmlHelpController::WriteCustomization(wxConfigBase* cfg, const wxString& path)
 {
     /* typically called by the controllers OnCloseFrame handler */
-    if (m_helpFrame)
-       m_helpFrame->WriteCustomization(cfg, path);
+    if (m_helpFrame && cfg)
+        m_helpFrame->WriteCustomization(cfg, path);
+}
+
+void wxHtmlHelpController::UseConfig(wxConfigBase *config, const wxString& rootpath)
+{
+    m_Config = config;
+    m_ConfigRoot = rootpath;
+    if (m_helpFrame) m_helpFrame->UseConfig(config, rootpath);
+    ReadCustomization(config, rootpath);
 }
 
+//// Backward compatibility with wxHelpController API
+
+bool wxHtmlHelpController::Initialize(const wxString& file)
+{
+    wxString dir, filename, ext;
+    wxSplitPath(file, & dir, & filename, & ext);
+
+    if (!dir.IsEmpty())
+        dir = dir + wxFILE_SEP_PATH;
+
+    // Try to find a suitable file
+    wxString actualFilename = dir + filename + wxString(wxT(".zip"));
+    if (!wxFileExists(actualFilename))
+    {
+        actualFilename = dir + filename + wxString(wxT(".htb"));
+        if (!wxFileExists(actualFilename))
+        {
+            actualFilename = dir + filename + wxString(wxT(".hhp"));
+            if (!wxFileExists(actualFilename))
+            {
+#if wxUSE_LIBMSPACK
+                actualFilename = dir + filename + wxString(wxT(".chm"));
+                if (!wxFileExists(actualFilename))
 #endif
+                    return false;
+            }
+        }
+    }
+    return AddBook(wxFileName(actualFilename));
+}
+
+bool wxHtmlHelpController::LoadFile(const wxString& WXUNUSED(file))
+{
+    // Don't reload the file or we'll have it appear again, presumably.
+    return TRUE;
+}
+
+bool wxHtmlHelpController::DisplaySection(int sectionNo)
+{
+    return Display(sectionNo);
+}
+
+bool wxHtmlHelpController::DisplayTextPopup(const wxString& text, const wxPoint& WXUNUSED(pos))
+{
+#if wxUSE_TIPWINDOW
+    static wxTipWindow* s_tipWindow = NULL;
+
+    if (s_tipWindow)
+    {
+        // Prevent s_tipWindow being nulled in OnIdle,
+        // thereby removing the chance for the window to be closed by ShowHelp
+        s_tipWindow->SetTipWindowPtr(NULL);
+        s_tipWindow->Close();
+    }
+    s_tipWindow = NULL;
+
+    if ( !text.empty() )
+    {
+        s_tipWindow = new wxTipWindow(wxTheApp->GetTopWindow(), text, 100, & s_tipWindow);
+
+        return TRUE;
+    }
+#endif // wxUSE_TIPWINDOW
+
+    return FALSE;
+}
+
+void wxHtmlHelpController::SetFrameParameters(const wxString& title,
+                                   const wxSize& size,
+                                   const wxPoint& pos,
+                                   bool WXUNUSED(newFrameEachTime))
+{
+    SetTitleFormat(title);
+    if (m_helpFrame)
+    {
+        m_helpFrame->SetSize(pos.x, pos.y, size.x, size.y);
+    }
+}
+
+wxFrame* wxHtmlHelpController::GetFrameParameters(wxSize *size,
+                                   wxPoint *pos,
+                                   bool *newFrameEachTime)
+{
+    if (newFrameEachTime)
+        (* newFrameEachTime) = FALSE;
+    if (size && m_helpFrame)
+        (* size) = m_helpFrame->GetSize();
+    if (pos && m_helpFrame)
+        (* pos) = m_helpFrame->GetPosition();
+    return m_helpFrame;
+}
+
+bool wxHtmlHelpController::Quit()
+{
+    DestroyHelpWindow();
+    return TRUE;
+}
+
+// Make the help controller's frame 'modal' if
+// needed
+void wxHtmlHelpController::AddGrabIfNeeded()
+{
+    // So far, wxGTK only
+#ifdef __WXGTK__
+    bool needGrab = FALSE;
+    
+    // Check if there are any modal windows present,
+    // in which case we need to add a grab.
+    for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+          node;
+          node = node->GetNext() )
+    {
+        wxWindow *win = node->GetData();
+        wxDialog *dialog = wxDynamicCast(win, wxDialog);
+
+        if (dialog && dialog->IsModal())
+            needGrab = TRUE;
+    }
+
+    if (needGrab && m_helpFrame)
+        m_helpFrame->AddGrab();
+#endif // __WXGTK__
+}
+
+bool wxHtmlHelpController::Display(const wxString& x)
+{
+    CreateHelpWindow();
+    bool success = m_helpFrame->Display(x);
+    AddGrabIfNeeded();
+    return success;    
+}
+
+bool wxHtmlHelpController::Display(int id)
+{
+    CreateHelpWindow();
+    bool success = m_helpFrame->Display(id);
+    AddGrabIfNeeded();
+    return success;
+}
+
+bool wxHtmlHelpController::DisplayContents()
+{
+    CreateHelpWindow();
+    bool success = m_helpFrame->DisplayContents();
+    AddGrabIfNeeded();
+    return success;
+}
+
+bool wxHtmlHelpController::DisplayIndex()
+{
+    CreateHelpWindow();
+    bool success = m_helpFrame->DisplayIndex();
+    AddGrabIfNeeded();
+    return success;
+}
+
+bool wxHtmlHelpController::KeywordSearch(const wxString& keyword,
+                                         wxHelpSearchMode mode)
+{
+    CreateHelpWindow();
+    bool success = m_helpFrame->KeywordSearch(keyword, mode);
+    AddGrabIfNeeded();
+    return success;
+}
+
+#endif // wxUSE_WXHTML_HELP
+