📄 chmframe.cpp
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/* Copyright (C) 2003 Razvan Cojocaru <razvanco@gmx.net> XML-RPC/Context ID code contributed by Eamon Millman / PCI Geomatics <millman@pcigeomatics.com> Tree control icons code (and the icons) contributed by Fritz Elfert <felfert@users.sourceforge.net>. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.*/#include <chmframe.h>#include <chminputstream.h>#include <contenttaghandler.h>#include <chmhtmlwindow.h>#include <chmfontdialog.h>#include <chmsearchpanel.h>#include <chmindexpanel.h>#include <chmlistctrl.h>#include <wx/fontenum.h>#include <wx/statbox.h>#include <wx/accel.h>#define OPEN_HELP _("Open a CHM book.")#define FONTS_HELP _("Change fonts.")#define PRINT_HELP _("Print the page currently displayed.")#define CONTENTS_HELP _("On or off?")#define HOME_HELP _("Go to the book's start page.")#define FORWARD_HELP _("Go forward in history. Per book.")#define BACK_HELP _("Back to the last visited page. Per book.")#define ABOUT_HELP _("About the program.")namespace {const wxChar *greeting = wxT( "<html><body>Hello, and welcome to <B>xCHM</B>, the UNIX CHM viewer." "<br><br><B>xCHM</B> has been written by Razvan Cojocaru " "(razvanco@gmx.net). It is licensed under the <TT>GPL</TT>.<br>" "<B>xCHM</B> is based on Jed Wing's <a href=\"http://66.93.236.84/" "~jedwin/projects/chmlib/\">CHMLIB</a> and <a href=\"http://www." "wxwidgets.org\">wxWidgets</a>.<br><br>If you'd like to know more" " about CHM, you could check out <a href=\"http://www.speakeasy." "org/~russotto/chm/\">Matthew Russoto's CHM page</a> or <a" " href=\"http://bonedaddy.net/pabs3/hhm/\">Pabs' CHM Specification" " page</a>.<br>Pabs has contributed time and knowledge to the" " development of <B>xCHM</B>, and features such as the fast index" " search would not have been implemented without his help." " Portions of the fast index search are modified versions of" " Pabs' <TT>GPL</TT>d <TT>chmdeco</TT> code.<br><br>If" " you'd like to use the code in your own stuff please figure" " <TT>GPL</TT> out first. Far too many people think <TT>GPL</TT> is" " bad out of utter ignorance.<br><br>Tips:<br><ul><li>" "The global search is an \'AND\' search, i.e. searching for" " \'word1 word2\' (quotes not included) will find all the pages" " that contain both word1 and word2, in whatever order.</li>" "<li>Allowing partial matches will find pages that contain" " words that only start with the typed strings, i.e. searching" " for \'ans 4\' (quotes not included) will find pages that" " contain the sentence \'The answer is 42.\'.</li><li>Right" " clicking on the displayed page brings out a popup menu with" " common options.</li></ul><br><br>Enjoy.</body></html>");const wxChar *about_txt = wxT( "xCHM v. " VERSION "\nby Razvan Cojocaru <razvanco@gmx.net>\n\n" "With thanks to Pabs (http://bonedaddy.net/pabs3/hhm/).\n" "Based on Jed Wing's CHMLIB (http://66.93.236.84/~jedwin/projects/).\n" "XMLRPC code for context sensitive help contributed by\n" "Eamon Millman <millman@pcigeomatics.com>.\n" "<SPAN> tag support and contents tree icons contributed by\n" "Fritz Elfert <felfert@users.sourceforge.net>.\n" "Written with wxWidgets (http://www.wxwidgets.org).\n\n" "This program is (proudly) under the GPL.");#include <xchm-32.xpm>} // namespaceCHMFrame::CHMFrame(const wxString& title, const wxString& booksDir, const wxPoint& pos, const wxSize& size, const wxString& normalFont, const wxString& fixedFont, const int fontSize, const int sashPosition) : wxFrame(NULL, -1, title, pos, size), _html(NULL), _tcl(NULL), _sw(NULL), _menuFile(NULL), _tb(NULL), _ep(NULL), _nb(NULL), _cb(NULL), _csp(NULL), _cip(NULL), _openPath(booksDir), _normalFonts(NULL), _fixedFonts(NULL), _normalFont(normalFont), _fixedFont(fixedFont), _fontSize(fontSize), _bookmarkSel(true), _bookmarksDeleted(false), _sashPos(sashPosition){# if wxUSE_ACCEL wxAcceleratorEntry entries[1]; entries[0].Set(wxACCEL_CTRL, (int) 'F', ID_FindInPage); wxAcceleratorTable accel(1, entries); SetAcceleratorTable(accel);# endif int sizes[7]; for(int i = -3; i <= 3; ++i) sizes[i+3] = _fontSize + i * 2; SetIcon(wxIcon(xchm_32_xpm)); SetMenuBar(CreateMenu()); _tb = CreateToolBar(wxTB_FLAT | wxTB_DOCKABLE | wxTB_HORIZONTAL | wxTB_TEXT); InitToolBar(_tb); CreateStatusBar(); SetStatusText(_("Ready.")); _ep = new wxHtmlEasyPrinting(wxT("Printing"), this); _sw = new wxSplitterWindow(this); _sw->SetMinimumPaneSize(CONTENTS_MARGIN); _nb = new wxNotebook(_sw, ID_Notebook); _nb->Show(FALSE); wxPanel* temp = CreateContentsPanel(); _html = new CHMHtmlWindow(_sw, _tcl, this); _html->SetRelatedFrame(this, wxT("xCHM v. " VERSION)); _html->SetRelatedStatusBar(0); _html->SetFonts(_normalFont, _fixedFont, sizes); _html->SetPage(greeting); _csp = new CHMSearchPanel(_nb, _tcl, _html); _font = _tcl->GetFont(); _cip = new CHMIndexPanel(_nb, _html); _nb->AddPage(temp, _("Contents")); _nb->AddPage(_cip, _("Index")); _nb->AddPage(_csp, _("Search")); _sw->Initialize(_html); _html->SetFocusFromKbd();}CHMFrame::~CHMFrame(){ delete _ep; delete _fixedFonts; delete _normalFonts;}void CHMFrame::OnQuit(wxCommandEvent& WXUNUSED(event)){ Close(TRUE);}void CHMFrame::OnAbout(wxCommandEvent& WXUNUSED(event)){ ::wxMessageBox(about_txt, _("About xCHM"), wxOK | wxICON_INFORMATION, this );}void CHMFrame::OnOpen(wxCommandEvent& WXUNUSED(event)){ wxString selection = ::wxFileSelector(_("Choose a file.."), _openPath, wxEmptyString, wxT("chm"),#ifndef __WXMOTIF__ // they say Motif can't handle the following. wxT("CHM files (*.chm)|*.chm;*.CHM|" "All files (*.*)|*.*"), #else wxT("All files (*.*)|*.*"),#endif wxOPEN | wxFILE_MUST_EXIST, this); if(selection.IsEmpty() || !_tcl) return; _openPath = selection.BeforeLast(wxT('/')); LoadCHM(selection);}void CHMFrame::OnChangeFonts(wxCommandEvent& WXUNUSED(event)){ // First time initialization only. if(_normalFonts == NULL) { wxFontEnumerator enu; enu.EnumerateFacenames(); _normalFonts = new wxArrayString; *_normalFonts = *enu.GetFacenames(); _normalFonts->Sort(); } if(_fixedFonts == NULL) { wxFontEnumerator enu; enu.EnumerateFacenames(wxFONTENCODING_SYSTEM, TRUE); _fixedFonts = new wxArrayString; *_fixedFonts = *enu.GetFacenames(); _fixedFonts->Sort(); } assert(_normalFonts != NULL); assert(_fixedFonts != NULL); CHMFontDialog cfd(this, _normalFonts, _fixedFonts, _normalFont, _fixedFont, _fontSize); if(cfd.ShowModal() == wxID_OK) { wxBusyCursor bc; _html->SetFonts(_normalFont = cfd.NormalFont(), _fixedFont = cfd.FixedFont(), cfd.Sizes()); _fontSize = *(cfd.Sizes() + 3); wxString page = _html->GetOpenedPage(); if(page.IsEmpty()) _html->SetPage(greeting); }}void CHMFrame::OnHome(wxCommandEvent& WXUNUSED(event)){ CHMFile *chmf = CHMInputStream::GetCache(); if(!chmf) return; _html->LoadPage(wxString(wxT("file:")) + chmf->ArchiveName() + wxT("#xchm:") + chmf->HomePage());}void CHMFrame::OnHistoryForward(wxCommandEvent& WXUNUSED(event)){ _html->HistoryForward();}void CHMFrame::OnHistoryBack(wxCommandEvent& WXUNUSED(event)){ _html->HistoryBack();}void CHMFrame::OnShowContents(wxCommandEvent& WXUNUSED(event)){ if(_sw->IsSplit()) { _tb->ToggleTool(ID_Contents, FALSE); _menuFile->Check(ID_Contents, FALSE); _sashPos = _sw->GetSashPosition(); _sw->Unsplit(_nb); _nb->Show(FALSE); } else { if(_tcl->GetCount() >= 1) { _tb->ToggleTool(ID_Contents, TRUE); _menuFile->Check(ID_Contents, TRUE); _nb->Show(TRUE); _sw->SplitVertically(_nb, _html, _sashPos); } else { _tb->ToggleTool(ID_Contents, FALSE); _menuFile->Check(ID_Contents, FALSE); ::wxMessageBox(_("Couldn't extract the book" " contents tree."), _("No contents.."), wxOK | wxICON_WARNING, this ); } }}void CHMFrame::OnPrint(wxCommandEvent& WXUNUSED(event)){ wxString page = _html->GetOpenedPage(); if(page.IsEmpty()) _ep->PrintText(greeting); else _ep->PrintFile(page);}void CHMFrame::OnHistFile(wxCommandEvent& event){ wxString f(_fh.GetHistoryFile(event.GetId() - wxID_FILE1)); if (!f.IsEmpty()) LoadCHM(f);}void CHMFrame::OnFind(wxCommandEvent& event){ _html->OnFind(event);}void CHMFrame::OnAddBookmark(wxCommandEvent& WXUNUSED(event)){ wxTreeItemId id = _tcl->GetSelection(); if(!id.IsOk()) return; wxString title = _tcl->GetItemText(id); if(title.IsEmpty()) return; URLTreeItem *data = reinterpret_cast<URLTreeItem *>( _tcl->GetItemData(id)); if(!data || (data->_url).IsEmpty()) return; _cb->Append(title, new wxString(data->_url)); _bookmarkSel = false; _cb->SetSelection(_cb->GetCount() - 1); _bookmarkSel = true; }void CHMFrame::OnRemoveBookmark(wxCommandEvent& WXUNUSED(event)){ if(!_cb->GetCount()) return; _cb->Delete(_cb->GetSelection()); _bookmarksDeleted = true; if(_cb->GetCount()) { _bookmarkSel = false; _cb->SetSelection(0); _bookmarkSel = true; } else { _cb->SetValue(wxEmptyString); }}void CHMFrame::OnBookmarkSel(wxCommandEvent& WXUNUSED(event)){ if(!_bookmarkSel) return; wxString *url = reinterpret_cast<wxString *>(#ifdef __WXGTK__ _cb->GetClientData(_cb->GetSelection()));#else _cb->wxItemContainer::GetClientData(_cb->GetSelection()));#endif if(!url || url->IsEmpty()) return; CHMFile *chmf = CHMInputStream::GetCache(); if(!chmf) return; _html->LoadPage(wxString(wxT("file:")) + chmf->ArchiveName() + wxT("#xchm:/") + *url);}void CHMFrame::OnSelectionChanged(wxTreeEvent& event){ wxTreeItemId id = event.GetItem(); CHMFile *chmf = CHMInputStream::GetCache(); if(id == _tcl->GetRootItem() || !chmf) return; URLTreeItem *data = reinterpret_cast<URLTreeItem *>( _tcl->GetItemData(id)); if(!data || data->_url.IsEmpty()) return; if(!_html->IsCaller()) { _html->SetSync(false); _html->LoadPage(wxString(wxT("file:")) + chmf->ArchiveName() + wxT("#xchm:/") + data->_url); _html->SetSync(true); }}void CHMFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event)){ SaveExitInfo(); SaveBookmarks(); Destroy();}⌨️ 快捷键说明
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