X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4f9297b0eead20a0bfee71df18e0d8f0cbc402fb..991420e6df6aaf452a0d27851d437c306a31c865:/src/html/htmlwin.cpp diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index 393b47565d..8e988da39e 100644 --- a/src/html/htmlwin.cpp +++ b/src/html/htmlwin.cpp @@ -4,12 +4,13 @@ // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) +#pragma implementation "htmlwin.h" +#pragma implementation "htmlproc.h" #endif #include "wx/wxprec.h" @@ -17,60 +18,204 @@ #include "wx/defs.h" #if wxUSE_HTML && wxUSE_STREAMS -#ifdef __BORDLANDC__ +#ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WXPRECOMP -#include "wx/wx.h" + #include "wx/log.h" + #include "wx/intl.h" + #include "wx/dcclient.h" + #include "wx/frame.h" #endif #include "wx/html/htmlwin.h" -#include "wx/html/forcelnk.h" -#include "wx/log.h" +#include "wx/html/htmlproc.h" +#include "wx/list.h" +#include "wx/clipbrd.h" +#include "wx/dataobj.h" +#include "wx/timer.h" +#include "wx/dcmemory.h" + +#include "wx/arrimpl.cpp" +#include "wx/listimpl.cpp" + + + +#if wxUSE_CLIPBOARD +// ---------------------------------------------------------------------------- +// wxHtmlWinAutoScrollTimer: the timer used to generate a stream of scroll +// events when a captured mouse is held outside the window +// ---------------------------------------------------------------------------- + +class wxHtmlWinAutoScrollTimer : public wxTimer +{ +public: + wxHtmlWinAutoScrollTimer(wxScrolledWindow *win, + wxEventType eventTypeToSend, + int pos, int orient) + { + m_win = win; + m_eventType = eventTypeToSend; + m_pos = pos; + m_orient = orient; + } + + virtual void Notify(); + +private: + wxScrolledWindow *m_win; + wxEventType m_eventType; + int m_pos, + m_orient; + + DECLARE_NO_COPY_CLASS(wxHtmlWinAutoScrollTimer) +}; + +void wxHtmlWinAutoScrollTimer::Notify() +{ + // only do all this as long as the window is capturing the mouse + if ( wxWindow::GetCapture() != m_win ) + { + Stop(); + } + else // we still capture the mouse, continue generating events + { + // first scroll the window if we are allowed to do it + wxScrollWinEvent event1(m_eventType, m_pos, m_orient); + event1.SetEventObject(m_win); + if ( m_win->GetEventHandler()->ProcessEvent(event1) ) + { + // and then send a pseudo mouse-move event to refresh the selection + wxMouseEvent event2(wxEVT_MOTION); + wxGetMousePosition(&event2.m_x, &event2.m_y); + + // the mouse event coordinates should be client, not screen as + // returned by wxGetMousePosition + wxWindow *parentTop = m_win; + while ( parentTop->GetParent() ) + parentTop = parentTop->GetParent(); + wxPoint ptOrig = parentTop->GetPosition(); + event2.m_x -= ptOrig.x; + event2.m_y -= ptOrig.y; + + event2.SetEventObject(m_win); + + // FIXME: we don't fill in the other members - ok? + m_win->GetEventHandler()->ProcessEvent(event2); + } + else // can't scroll further, stop + { + Stop(); + } + } +} + +#endif // wxUSE_CLIPBOARD + //----------------------------------------------------------------------------- -// wxHtmlWindow +// wxHtmlHistoryItem //----------------------------------------------------------------------------- +// item of history list +class WXDLLIMPEXP_HTML wxHtmlHistoryItem +{ +public: + wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;} + int GetPos() const {return m_Pos;} + void SetPos(int p) {m_Pos = p;} + const wxString& GetPage() const {return m_Page;} + const wxString& GetAnchor() const {return m_Anchor;} + +private: + wxString m_Page; + wxString m_Anchor; + int m_Pos; +}; -#include "wx/arrimpl.cpp" -WX_DEFINE_OBJARRAY(HtmlHistoryArray) +//----------------------------------------------------------------------------- +// our private arrays: +//----------------------------------------------------------------------------- + +WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray); +WX_DEFINE_OBJARRAY(wxHtmlHistoryArray); + +WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList); +WX_DEFINE_LIST(wxHtmlProcessorList); + +//----------------------------------------------------------------------------- +// wxHtmlWindow +//----------------------------------------------------------------------------- -wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, - long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, style | wxVSCROLL | wxHSCROLL, name) +void wxHtmlWindow::Init() { m_tmpMouseMoved = FALSE; m_tmpLastLink = NULL; + m_tmpLastCell = NULL; m_tmpCanDrawLocks = 0; m_FS = new wxFileSystem(); m_RelatedStatusBar = -1; m_RelatedFrame = NULL; - m_TitleFormat = "%s"; + m_TitleFormat = wxT("%s"); m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; m_Cell = NULL; m_Parser = new wxHtmlWinParser(this); m_Parser->SetFS(m_FS); - SetBorders(10); m_HistoryPos = -1; m_HistoryOn = TRUE; + m_History = new wxHtmlHistoryArray; + m_Processors = NULL; + m_Style = 0; + SetBorders(10); + m_selection = NULL; + m_makingSelection = false; +#if wxUSE_CLIPBOARD + m_timerAutoScroll = NULL; + m_lastDoubleClick = 0; +#endif // wxUSE_CLIPBOARD + m_backBuffer = NULL; +} + +bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id, + const wxPoint& pos, const wxSize& size, + long style, const wxString& name) +{ + if (!wxScrolledWindow::Create(parent, id, pos, size, + style | wxVSCROLL | wxHSCROLL, + name)) + return FALSE; + m_Style = style; SetPage(wxT("")); + return TRUE; } - wxHtmlWindow::~wxHtmlWindow() { +#if wxUSE_CLIPBOARD + StopAutoScrolling(); +#endif // wxUSE_CLIPBOARD HistoryClear(); - if (m_Cell) delete m_Cell; + delete m_selection; + + delete m_Cell; + + if ( m_Processors ) + { + WX_CLEAR_LIST(wxHtmlProcessorList, *m_Processors); + } delete m_Parser; delete m_FS; + delete m_History; + delete m_Processors; + delete m_backBuffer; } @@ -95,7 +240,8 @@ void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int wxString op = m_OpenedPage; m_Parser->SetFonts(normal_face, fixed_face, sizes); - SetPage(wxT("")); // fonts changed => contents invalid + // fonts changed => contents invalid, so reload the page: + SetPage(wxT("")); if (!op.IsEmpty()) LoadPage(op); } @@ -103,97 +249,144 @@ void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int bool wxHtmlWindow::SetPage(const wxString& source) { - wxClientDC *dc = new wxClientDC(this); + wxString newsrc(source); + wxDELETE(m_selection); + + // pass HTML through registered processors: + if (m_Processors || m_GlobalProcessors) + { + wxHtmlProcessorList::compatibility_iterator nodeL, nodeG; + int prL, prG; + + nodeL = (m_Processors) ? m_Processors->GetFirst() : wxHtmlProcessorList::compatibility_iterator(); + nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : wxHtmlProcessorList::compatibility_iterator(); + + // VS: there are two lists, global and local, both of them sorted by + // priority. Since we have to go through _both_ lists with + // decreasing priority, we "merge-sort" the lists on-line by + // processing that one of the two heads that has higher priority + // in every iteration + while (nodeL || nodeG) + { + prL = (nodeL) ? nodeL->GetData()->GetPriority() : -1; + prG = (nodeG) ? nodeG->GetData()->GetPriority() : -1; + if (prL > prG) + { + if (nodeL->GetData()->IsEnabled()) + newsrc = nodeL->GetData()->Process(newsrc); + nodeL = nodeL->GetNext(); + } + else // prL <= prG + { + if (nodeG->GetData()->IsEnabled()) + newsrc = nodeG->GetData()->Process(newsrc); + nodeG = nodeG->GetNext(); + } + } + } + + // ...and run the parser on it: + wxClientDC *dc = new wxClientDC(this); dc->SetMapMode(wxMM_TEXT); SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF)); m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; m_Parser->SetDC(dc); - if (m_Cell) + if (m_Cell) { delete m_Cell; m_Cell = NULL; } - m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(source); + m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc); delete dc; m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS); m_Cell->SetAlignHor(wxHTML_ALIGN_CENTER); CreateLayout(); - if (m_tmpCanDrawLocks == 0) Refresh(); + if (m_tmpCanDrawLocks == 0) + Refresh(); return TRUE; } +bool wxHtmlWindow::AppendToPage(const wxString& source) +{ + return SetPage(*(GetParser()->GetSource()) + source); +} bool wxHtmlWindow::LoadPage(const wxString& location) { + wxBusyCursor busyCursor; + wxFSFile *f; bool rt_val; bool needs_refresh = FALSE; - - SetCursor(*wxHOURGLASS_CURSOR); - wxYield(); Refresh(FALSE); m_tmpCanDrawLocks++; - if (m_HistoryOn && (m_HistoryPos != -1)) // store scroll position into history item + if (m_HistoryOn && (m_HistoryPos != -1)) { + // store scroll position into history item: int x, y; - ViewStart(&x, &y); - m_History[m_HistoryPos].SetPos(y); + GetViewStart(&x, &y); + (*m_History)[m_HistoryPos].SetPos(y); } - if (location[0] == wxT('#')) // local anchor + if (location[0] == wxT('#')) { + // local anchor: wxString anch = location.Mid(1) /*1 to end*/; m_tmpCanDrawLocks--; rt_val = ScrollToAnchor(anch); m_tmpCanDrawLocks++; } - else if (location.Find(wxT('#')) != wxNOT_FOUND && location.BeforeFirst(wxT('#')) == m_OpenedPage) + else if (location.Find(wxT('#')) != wxNOT_FOUND && location.BeforeFirst(wxT('#')) == m_OpenedPage) { wxString anch = location.AfterFirst(wxT('#')); m_tmpCanDrawLocks--; rt_val = ScrollToAnchor(anch); m_tmpCanDrawLocks++; } - else if (location.Find(wxT('#')) != wxNOT_FOUND && - (m_FS->GetPath() + location.BeforeFirst(wxT('#'))) == m_OpenedPage) - { + else if (location.Find(wxT('#')) != wxNOT_FOUND && + (m_FS->GetPath() + location.BeforeFirst(wxT('#'))) == m_OpenedPage) + { wxString anch = location.AfterFirst(wxT('#')); m_tmpCanDrawLocks--; rt_val = ScrollToAnchor(anch); m_tmpCanDrawLocks++; } - else + else { needs_refresh = TRUE; // load&display it: - if (m_RelatedStatusBar != -1) - { + if (m_RelatedStatusBar != -1) + { m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar); Refresh(FALSE); } - f = m_FS->OpenFile(location); - - if (f == NULL) - { - wxString err; + f = m_Parser->OpenURL(wxHTML_URL_PAGE, location); + + // try to interpret 'location' as filename instead of URL: + if (f == NULL) + { + wxFileName fn(location); + wxString location2 = wxFileSystem::FileNameToURL(fn); + f = m_Parser->OpenURL(wxHTML_URL_PAGE, location2); + } + if (f == NULL) + { wxLogError(_("Unable to open requested HTML document: %s"), location.c_str()); m_tmpCanDrawLocks--; - - SetCursor(*wxSTANDARD_CURSOR); return FALSE; } - else - { - wxNode *node; + else + { + wxList::compatibility_iterator node; wxString src = wxEmptyString; - if (m_RelatedStatusBar != -1) - { + if (m_RelatedStatusBar != -1) + { wxString msg = _("Loading : ") + location; m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar); Refresh(FALSE); @@ -201,17 +394,17 @@ bool wxHtmlWindow::LoadPage(const wxString& location) node = m_Filters.GetFirst(); while (node) - { + { wxHtmlFilter *h = (wxHtmlFilter*) node->GetData(); if (h->CanRead(*f)) - { + { src = h->ReadFile(*f); break; } node = node->GetNext(); } - if (src == wxEmptyString) - { + if (src == wxEmptyString) + { if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter(); src = m_DefaultFilter->ReadFile(*f); } @@ -219,9 +412,8 @@ bool wxHtmlWindow::LoadPage(const wxString& location) m_FS->ChangePathTo(f->GetLocation()); rt_val = SetPage(src); m_OpenedPage = f->GetLocation(); - if (f->GetAnchor() != wxEmptyString) - { - wxYield(); + if (f->GetAnchor() != wxEmptyString) + { ScrollToAnchor(f->GetAnchor()); } @@ -233,21 +425,24 @@ bool wxHtmlWindow::LoadPage(const wxString& location) if (m_HistoryOn) // add this page to history there: { - int c = m_History.GetCount() - (m_HistoryPos + 1); - - m_HistoryPos++; - for (int i = 0; i < c; i++) - m_History.Remove(m_HistoryPos); - m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor)); + int c = m_History->GetCount() - (m_HistoryPos + 1); + + if (m_HistoryPos < 0 || + (*m_History)[m_HistoryPos].GetPage() != m_OpenedPage || + (*m_History)[m_HistoryPos].GetAnchor() != m_OpenedAnchor) + { + m_HistoryPos++; + for (int i = 0; i < c; i++) + m_History->RemoveAt(m_HistoryPos); + m_History->Add(new wxHtmlHistoryItem(m_OpenedPage, m_OpenedAnchor)); + } } if (m_OpenedPageTitle == wxEmptyString) OnSetTitle(wxFileNameFromPath(m_OpenedPage)); - SetCursor(*wxSTANDARD_CURSOR); - if (needs_refresh) + if (needs_refresh) { - wxYield(); m_tmpCanDrawLocks--; Refresh(); } @@ -258,6 +453,12 @@ bool wxHtmlWindow::LoadPage(const wxString& location) } +bool wxHtmlWindow::LoadFile(const wxFileName& filename) +{ + wxString url = wxFileSystem::FileNameToURL(filename); + return LoadPage(url); +} + bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) { @@ -267,7 +468,7 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str()); return FALSE; } - else + else { int y; @@ -281,7 +482,7 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) void wxHtmlWindow::OnSetTitle(const wxString& title) { - if (m_RelatedFrame) + if (m_RelatedFrame) { wxString tit; tit.Printf(m_TitleFormat, title.c_str()); @@ -300,7 +501,7 @@ void wxHtmlWindow::CreateLayout() if (!m_Cell) return; - if (m_Style & wxHW_SCROLLBAR_NEVER) + if (m_Style & wxHW_SCROLLBAR_NEVER) { SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // always off GetClientSize(&ClientWidth, &ClientHeight); @@ -310,8 +511,8 @@ void wxHtmlWindow::CreateLayout() else { GetClientSize(&ClientWidth, &ClientHeight); m_Cell->Layout(ClientWidth); - if (ClientHeight < m_Cell->GetHeight() + GetCharHeight()) - { + if (ClientHeight < m_Cell->GetHeight() + GetCharHeight()) + { SetScrollbars( wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, @@ -319,7 +520,7 @@ void wxHtmlWindow::CreateLayout() /*cheat: top-level frag is always container*/); } else /* we fit into window, no need for scrollbars */ - { + { SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // disable... GetClientSize(&ClientWidth, &ClientHeight); m_Cell->Layout(ClientWidth); // ...and relayout @@ -336,16 +537,16 @@ void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path) int p_fontsizes[7]; wxString p_fff, p_ffn; - if (path != wxEmptyString) + if (path != wxEmptyString) { oldpath = cfg->GetPath(); cfg->SetPath(path); } - m_Borders = cfg->Read("wxHtmlWindow/Borders", m_Borders); - p_fff = cfg->Read("wxHtmlWindow/FontFaceFixed", m_Parser->m_FontFaceFixed); - p_ffn = cfg->Read("wxHtmlWindow/FontFaceNormal", m_Parser->m_FontFaceNormal); - for (int i = 0; i < 7; i++) + m_Borders = cfg->Read(wxT("wxHtmlWindow/Borders"), m_Borders); + p_fff = cfg->Read(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed); + p_ffn = cfg->Read(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal); + for (int i = 0; i < 7; i++) { tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i); p_fontsizes[i] = cfg->Read(tmp, m_Parser->m_FontsSizes[i]); @@ -363,16 +564,16 @@ void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path) wxString oldpath; wxString tmp; - if (path != wxEmptyString) + if (path != wxEmptyString) { oldpath = cfg->GetPath(); cfg->SetPath(path); } - cfg->Write("wxHtmlWindow/Borders", (long) m_Borders); - cfg->Write("wxHtmlWindow/FontFaceFixed", m_Parser->m_FontFaceFixed); - cfg->Write("wxHtmlWindow/FontFaceNormal", m_Parser->m_FontFaceNormal); - for (int i = 0; i < 7; i++) + cfg->Write(wxT("wxHtmlWindow/Borders"), (long) m_Borders); + cfg->Write(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed); + cfg->Write(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal); + for (int i = 0; i < 7; i++) { tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i); cfg->Write(tmp, (long) m_Parser->m_FontsSizes[i]); @@ -392,22 +593,21 @@ bool wxHtmlWindow::HistoryBack() // store scroll position into history item: int x, y; - ViewStart(&x, &y); - m_History[m_HistoryPos].SetPos(y); + GetViewStart(&x, &y); + (*m_History)[m_HistoryPos].SetPos(y); // go to previous position: m_HistoryPos--; - l = m_History[m_HistoryPos].GetPage(); - a = m_History[m_HistoryPos].GetAnchor(); + l = (*m_History)[m_HistoryPos].GetPage(); + a = (*m_History)[m_HistoryPos].GetAnchor(); m_HistoryOn = FALSE; m_tmpCanDrawLocks++; if (a == wxEmptyString) LoadPage(l); else LoadPage(l + wxT("#") + a); m_HistoryOn = TRUE; - wxYield(); m_tmpCanDrawLocks--; - Scroll(0, m_History[m_HistoryPos].GetPos()); + Scroll(0, (*m_History)[m_HistoryPos].GetPos()); Refresh(); return TRUE; } @@ -424,21 +624,20 @@ bool wxHtmlWindow::HistoryForward() wxString a, l; if (m_HistoryPos == -1) return FALSE; - if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE; + if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE; m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage() m_HistoryPos++; - l = m_History[m_HistoryPos].GetPage(); - a = m_History[m_HistoryPos].GetAnchor(); + l = (*m_History)[m_HistoryPos].GetPage(); + a = (*m_History)[m_HistoryPos].GetAnchor(); m_HistoryOn = FALSE; m_tmpCanDrawLocks++; if (a == wxEmptyString) LoadPage(l); else LoadPage(l + wxT("#") + a); m_HistoryOn = TRUE; - wxYield(); m_tmpCanDrawLocks--; - Scroll(0, m_History[m_HistoryPos].GetPos()); + Scroll(0, (*m_History)[m_HistoryPos].GetPos()); Refresh(); return TRUE; } @@ -446,32 +645,68 @@ bool wxHtmlWindow::HistoryForward() bool wxHtmlWindow::HistoryCanForward() { if (m_HistoryPos == -1) return FALSE; - if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE; + if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE; return TRUE ; } void wxHtmlWindow::HistoryClear() { - m_History.Empty(); + m_History->Empty(); m_HistoryPos = -1; } +void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor) +{ + if (!m_Processors) + { + m_Processors = new wxHtmlProcessorList; + } + wxHtmlProcessorList::compatibility_iterator node; + + for (node = m_Processors->GetFirst(); node; node = node->GetNext()) + { + if (processor->GetPriority() > node->GetData()->GetPriority()) + { + m_Processors->Insert(node, processor); + return; + } + } + m_Processors->Append(processor); +} + +/*static */ void wxHtmlWindow::AddGlobalProcessor(wxHtmlProcessor *processor) +{ + if (!m_GlobalProcessors) + { + m_GlobalProcessors = new wxHtmlProcessorList; + } + wxHtmlProcessorList::compatibility_iterator node; + + for (node = m_GlobalProcessors->GetFirst(); node; node = node->GetNext()) + { + if (processor->GetPriority() > node->GetData()->GetPriority()) + { + m_GlobalProcessors->Insert(node, processor); + return; + } + } + m_GlobalProcessors->Append(processor); +} + wxList wxHtmlWindow::m_Filters; wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL; -wxCursor *wxHtmlWindow::s_cur_hand = NULL; -wxCursor *wxHtmlWindow::s_cur_arrow = NULL; +wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL; void wxHtmlWindow::CleanUpStatics() { - if (m_DefaultFilter) delete m_DefaultFilter; - m_DefaultFilter = NULL; - m_Filters.DeleteContents(TRUE); - m_Filters.Clear(); - if (s_cur_hand) delete s_cur_hand; - if (s_cur_arrow) delete s_cur_arrow; + wxDELETE(m_DefaultFilter); + WX_CLEAR_LIST(wxList, m_Filters); + if (m_GlobalProcessors) + WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors); + wxDELETE(m_GlobalProcessors); } @@ -482,41 +717,169 @@ void wxHtmlWindow::AddFilter(wxHtmlFilter *filter) } +bool wxHtmlWindow::IsSelectionEnabled() const +{ +#if wxUSE_CLIPBOARD + return !(m_Style & wxHW_NO_SELECTION); +#else + return false; +#endif +} + + +#if wxUSE_CLIPBOARD +wxString wxHtmlWindow::SelectionToText() +{ + if ( !m_selection ) + return wxEmptyString; + + wxClientDC dc(this); + + const wxHtmlCell *end = m_selection->GetToCell(); + wxString text; + wxHtmlTerminalCellsInterator i(m_selection->GetFromCell(), end); + if ( i ) + { + text << i->ConvertToText(m_selection); + ++i; + } + const wxHtmlCell *prev = *i; + while ( i ) + { + if ( prev->GetParent() != i->GetParent() ) + text << _T('\n'); + text << i->ConvertToText(*i == end ? m_selection : NULL); + prev = *i; + ++i; + } + return text; +} + +#endif // wxUSE_CLIPBOARD + +bool wxHtmlWindow::CopySelection(ClipboardType t) +{ +#if wxUSE_CLIPBOARD + if ( m_selection ) + { +#ifdef __UNIX__ + wxTheClipboard->UsePrimarySelection(t == Primary); +#else // !__UNIX__ + // Primary selection exists only under X11, so don't do anything under + // the other platforms when we try to access it + // + // TODO: this should be abstracted at wxClipboard level! + if ( t == Primary ) + return false; +#endif // __UNIX__/!__UNIX__ + + if ( wxTheClipboard->Open() ) + { + const wxString txt(SelectionToText()); + wxTheClipboard->SetData(new wxTextDataObject(txt)); + wxTheClipboard->Close(); + wxLogTrace(_T("wxhtmlselection"), + _("Copied to clipboard:\"%s\""), txt.c_str()); + + return true; + } + } +#endif // wxUSE_CLIPBOARD + + return false; +} void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link) { - LoadPage(link.GetHref()); + const wxMouseEvent *e = link.GetEvent(); + if (e == NULL || e->LeftUp()) + LoadPage(link.GetHref()); } +void wxHtmlWindow::OnCellClicked(wxHtmlCell *cell, + wxCoord x, wxCoord y, + const wxMouseEvent& event) +{ + wxCHECK_RET( cell, _T("can't be called with NULL cell") ); + cell->OnMouseClick(this, x, y, event); +} -void wxHtmlWindow::OnDraw(wxDC& dc) +void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell), + wxCoord WXUNUSED(x), wxCoord WXUNUSED(y)) { - int x, y; - wxRegionIterator upd(GetUpdateRegion()); // get the update rect list - int v_y, v_h; + // do nothing here +} - if (m_tmpCanDrawLocks > 0) return; - - dc.SetMapMode(wxMM_TEXT); -#if 0 -/* VS - I don't think this is neccessary any longer - MSC_VER 1200 means MSVC 6.0 and it works fine */ -#if defined(_MSC_VER) && (_MSC_VER == 1200) - ::SetMapMode((HDC)dc.GetHDC(), MM_TEXT); -#endif -#endif - dc.SetBackgroundMode(wxTRANSPARENT); - ViewStart(&x, &y); +void wxHtmlWindow::OnEraseBackground(wxEraseEvent& WXUNUSED(event)) +{ +} + +void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) +{ + wxPaintDC dc(this); + + if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return; - while (upd) + int x, y; + GetViewStart(&x, &y); + wxRect rect = GetUpdateRegion().GetBox(); + wxSize sz = GetSize(); + + wxMemoryDC dcm; + if ( !m_backBuffer ) + m_backBuffer = new wxBitmap(sz.x, sz.y); + dcm.SelectObject(*m_backBuffer); + dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID)); + dcm.Clear(); + PrepareDC(dcm); + dcm.SetMapMode(wxMM_TEXT); + dcm.SetBackgroundMode(wxTRANSPARENT); + + wxHtmlRenderingInfo rinfo; + wxDefaultHtmlRenderingStyle rstyle; + rinfo.SetSelection(m_selection); + rinfo.SetStyle(&rstyle); + m_Cell->Draw(dcm, 0, 0, + y * wxHTML_SCROLL_STEP + rect.GetTop(), + y * wxHTML_SCROLL_STEP + rect.GetBottom(), + rinfo); + +//#define DEBUG_HTML_SELECTION +#ifdef DEBUG_HTML_SELECTION { - v_y = upd.GetY(); - v_h = upd.GetH(); - if (m_Cell) m_Cell->Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y); - upd++; + int xc, yc, x, y; + wxGetMousePosition(&xc, &yc); + ScreenToClient(&xc, &yc); + CalcUnscrolledPosition(xc, yc, &x, &y); + wxHtmlCell *at = m_Cell->FindCellByPos(x, y); + wxHtmlCell *before = + m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_BEFORE); + wxHtmlCell *after = + m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_AFTER); + + dcm.SetBrush(*wxTRANSPARENT_BRUSH); + dcm.SetPen(*wxBLACK_PEN); + if (at) + dcm.DrawRectangle(at->GetAbsPos(), + wxSize(at->GetWidth(),at->GetHeight())); + dcm.SetPen(*wxGREEN_PEN); + if (before) + dcm.DrawRectangle(before->GetAbsPos().x+1, before->GetAbsPos().y+1, + before->GetWidth()-2,before->GetHeight()-2); + dcm.SetPen(*wxRED_PEN); + if (after) + dcm.DrawRectangle(after->GetAbsPos().x+2, after->GetAbsPos().y+2, + after->GetWidth()-4,after->GetHeight()-4); } +#endif + + dcm.SetDeviceOrigin(0,0); + dc.Blit(0, rect.GetTop(), + sz.x, rect.GetBottom() - rect.GetTop() + 1, + &dcm, + 0, rect.GetTop()); } @@ -524,80 +887,486 @@ void wxHtmlWindow::OnDraw(wxDC& dc) void wxHtmlWindow::OnSize(wxSizeEvent& event) { + wxDELETE(m_backBuffer); + wxScrolledWindow::OnSize(event); CreateLayout(); + + // Recompute selection if necessary: + if ( m_selection ) + { + m_selection->Set(m_selection->GetFromCell(), + m_selection->GetToCell()); + m_selection->ClearPrivPos(); + } + Refresh(); } -void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event) +void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event)) { - m_tmpMouseMoved = TRUE; + m_tmpMouseMoved = true; +} - if (event.ButtonDown()) +void wxHtmlWindow::OnMouseDown(wxMouseEvent& event) +{ +#if wxUSE_CLIPBOARD + if ( event.LeftDown() && IsSelectionEnabled() ) { - int sx, sy; - wxPoint pos; - wxString lnk; + const long TRIPLECLICK_LEN = 200; // 0.2 sec after doubleclick + if ( wxGetLocalTimeMillis() - m_lastDoubleClick <= TRIPLECLICK_LEN ) + { + SelectLine(CalcUnscrolledPosition(event.GetPosition())); - ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP; - pos = event.GetPosition(); + (void) CopySelection(); + } + else + { + m_makingSelection = true; + + if ( m_selection ) + { + wxDELETE(m_selection); + Refresh(); + } + m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition()); + m_tmpSelFromCell = NULL; - if (m_Cell) - m_Cell->OnMouseClick(this, sx + pos.x, sy + pos.y, event); + CaptureMouse(); + } + } +#endif // wxUSE_CLIPBOARD +} + +void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) +{ +#if wxUSE_CLIPBOARD + if ( m_makingSelection ) + { + ReleaseMouse(); + m_makingSelection = false; + + // did the user move the mouse far enough from starting point? + if ( CopySelection(Primary) ) + { + // we don't want mouse up event that ended selecting to be + // handled as mouse click and e.g. follow hyperlink: + return; + } + } +#endif // wxUSE_CLIPBOARD + + SetFocus(); + if ( m_Cell ) + { + wxPoint pos = CalcUnscrolledPosition(event.GetPosition()); + wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y); + + // check is needed because FindCellByPos returns terminal cell and + // containers may have empty borders -- in this case NULL will be + // returned + if ( cell ) + OnCellClicked(cell, pos.x, pos.y, event); } } -void wxHtmlWindow::OnIdle(wxIdleEvent& event) +void wxHtmlWindow::OnInternalIdle() { - if (s_cur_hand == NULL) + wxWindow::OnInternalIdle(); + + if (m_tmpMouseMoved && (m_Cell != NULL)) { - s_cur_hand = new wxCursor(wxCURSOR_HAND); - s_cur_arrow = new wxCursor(wxCURSOR_ARROW); +#ifdef DEBUG_HTML_SELECTION + Refresh(); +#endif + int xc, yc, x, y; + wxGetMousePosition(&xc, &yc); + ScreenToClient(&xc, &yc); + CalcUnscrolledPosition(xc, yc, &x, &y); + + wxHtmlCell *cell = m_Cell->FindCellByPos(x, y); + + // handle selection update: + if ( m_makingSelection ) + { + if ( !m_tmpSelFromCell ) + m_tmpSelFromCell = m_Cell->FindCellByPos( + m_tmpSelFromPos.x,m_tmpSelFromPos.y); + + // NB: a trick - we adjust selFromPos to be upper left or bottom + // right corner of the first cell of the selection depending + // on whether the mouse is moving to the right or to the left. + // This gives us more "natural" behaviour when selecting + // a line (specifically, first cell of the next line is not + // included if you drag selection from left to right over + // entire line): + wxPoint dirFromPos; + if ( !m_tmpSelFromCell ) + { + dirFromPos = m_tmpSelFromPos; + } + else + { + dirFromPos = m_tmpSelFromCell->GetAbsPos(); + if ( x < m_tmpSelFromPos.x ) + { + dirFromPos.x += m_tmpSelFromCell->GetWidth(); + dirFromPos.y += m_tmpSelFromCell->GetHeight(); + } + } + bool goingDown = dirFromPos.y < y || + (dirFromPos.y == y && dirFromPos.x < x); + + // determine selection span: + if ( /*still*/ !m_tmpSelFromCell ) + { + if (goingDown) + { + m_tmpSelFromCell = m_Cell->FindCellByPos( + m_tmpSelFromPos.x,m_tmpSelFromPos.y, + wxHTML_FIND_NEAREST_AFTER); + if (!m_tmpSelFromCell) + m_tmpSelFromCell = m_Cell->GetFirstTerminal(); + } + else + { + m_tmpSelFromCell = m_Cell->FindCellByPos( + m_tmpSelFromPos.x,m_tmpSelFromPos.y, + wxHTML_FIND_NEAREST_BEFORE); + if (!m_tmpSelFromCell) + m_tmpSelFromCell = m_Cell->GetLastTerminal(); + } + } + + wxHtmlCell *selcell = cell; + if (!selcell) + { + if (goingDown) + { + selcell = m_Cell->FindCellByPos(x, y, + wxHTML_FIND_NEAREST_BEFORE); + if (!selcell) + selcell = m_Cell->GetLastTerminal(); + } + else + { + selcell = m_Cell->FindCellByPos(x, y, + wxHTML_FIND_NEAREST_AFTER); + if (!selcell) + selcell = m_Cell->GetFirstTerminal(); + } + } + + // NB: it may *rarely* happen that the code above didn't find one + // of the cells, e.g. if wxHtmlWindow doesn't contain any + // visible cells. + if ( selcell && m_tmpSelFromCell ) + { + if ( !m_selection ) + { + // start selecting only if mouse movement was big enough + // (otherwise it was meant as mouse click, not selection): + const int PRECISION = 2; + wxPoint diff = m_tmpSelFromPos - wxPoint(x,y); + if (abs(diff.x) > PRECISION || abs(diff.y) > PRECISION) + { + m_selection = new wxHtmlSelection(); + } + } + if ( m_selection ) + { + if ( m_tmpSelFromCell->IsBefore(selcell) ) + { + m_selection->Set(m_tmpSelFromPos, m_tmpSelFromCell, + wxPoint(x,y), selcell); } + else + { + m_selection->Set(wxPoint(x,y), selcell, + m_tmpSelFromPos, m_tmpSelFromCell); + } + m_selection->ClearPrivPos(); + Refresh(); + } + } + } + + // handle cursor and status bar text changes: + if ( cell != m_tmpLastCell ) + { + wxHtmlLinkInfo *lnk = cell ? cell->GetLink(x, y) : NULL; + wxCursor cur; + if (cell) + cur = cell->GetCursor(); + else + cur = *wxSTANDARD_CURSOR; + SetCursor(cur); + + if (lnk != m_tmpLastLink) + { + if (lnk == NULL) + { + if (m_RelatedStatusBar != -1) + m_RelatedFrame->SetStatusText(wxEmptyString, + m_RelatedStatusBar); + } + else + { + if (m_RelatedStatusBar != -1) + m_RelatedFrame->SetStatusText(lnk->GetHref(), + m_RelatedStatusBar); + } + m_tmpLastLink = lnk; + } + + m_tmpLastCell = cell; + } + else // mouse moved but stayed in the same cell + { + if ( cell ) + OnCellMouseHover(cell, x, y); + } + + m_tmpMouseMoved = FALSE; } +} - if (m_tmpMouseMoved && (m_Cell != NULL)) +#if wxUSE_CLIPBOARD +void wxHtmlWindow::StopAutoScrolling() +{ + if ( m_timerAutoScroll ) { - int sx, sy; - int x, y; - wxHtmlLinkInfo *lnk; - - ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP; - wxGetMousePosition(&x, &y); - ScreenToClient(&x, &y); - lnk = m_Cell->GetLink(sx + x, sy + y); - - if (lnk != m_tmpLastLink) - { - if (lnk == NULL) - { - SetCursor(*s_cur_arrow); - if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(wxEmptyString, m_RelatedStatusBar); + wxDELETE(m_timerAutoScroll); + } +} + +void wxHtmlWindow::OnMouseEnter(wxMouseEvent& event) +{ + StopAutoScrolling(); + event.Skip(); +} + +void wxHtmlWindow::OnMouseLeave(wxMouseEvent& event) +{ + // don't prevent the usual processing of the event from taking place + event.Skip(); + + // when a captured mouse leave a scrolled window we start generate + // scrolling events to allow, for example, extending selection beyond the + // visible area in some controls + if ( wxWindow::GetCapture() == this ) + { + // where is the mouse leaving? + int pos, orient; + wxPoint pt = event.GetPosition(); + if ( pt.x < 0 ) + { + orient = wxHORIZONTAL; + pos = 0; + } + else if ( pt.y < 0 ) + { + orient = wxVERTICAL; + pos = 0; + } + else // we're lower or to the right of the window + { + wxSize size = GetClientSize(); + if ( pt.x > size.x ) + { + orient = wxHORIZONTAL; + pos = GetVirtualSize().x / wxHTML_SCROLL_STEP; + } + else if ( pt.y > size.y ) + { + orient = wxVERTICAL; + pos = GetVirtualSize().y / wxHTML_SCROLL_STEP; } - else - { - SetCursor(*s_cur_hand); - if (m_RelatedStatusBar != -1) - m_RelatedFrame->SetStatusText(lnk->GetHref(), m_RelatedStatusBar); + else // this should be impossible + { + // but seems to happen sometimes under wxMSW - maybe it's a bug + // there but for now just ignore it + + //wxFAIL_MSG( _T("can't understand where has mouse gone") ); + + return; } - m_tmpLastLink = lnk; } - m_tmpMouseMoved = FALSE; + + // only start the auto scroll timer if the window can be scrolled in + // this direction + if ( !HasScrollbar(orient) ) + return; + + delete m_timerAutoScroll; + m_timerAutoScroll = new wxHtmlWinAutoScrollTimer + ( + this, + pos == 0 ? wxEVT_SCROLLWIN_LINEUP + : wxEVT_SCROLLWIN_LINEDOWN, + pos, + orient + ); + m_timerAutoScroll->Start(50); // FIXME: make configurable + } +} + +void wxHtmlWindow::OnKeyUp(wxKeyEvent& event) +{ + if ( IsSelectionEnabled() && + event.GetKeyCode() == 'C' && event.ControlDown() ) + { + (void) CopySelection(); + } +} + +void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event)) +{ + (void) CopySelection(); +} + +void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event) +{ + // select word under cursor: + if ( IsSelectionEnabled() ) + { + SelectWord(CalcUnscrolledPosition(event.GetPosition())); + + (void) CopySelection(Primary); + + m_lastDoubleClick = wxGetLocalTimeMillis(); + } + else + event.Skip(); +} + +void wxHtmlWindow::SelectWord(const wxPoint& pos) +{ + if ( m_Cell ) + { + wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y); + if ( cell ) + { + delete m_selection; + m_selection = new wxHtmlSelection(); + m_selection->Set(cell, cell); + RefreshRect(wxRect(CalcScrolledPosition(cell->GetAbsPos()), + wxSize(cell->GetWidth(), cell->GetHeight()))); + } } } +void wxHtmlWindow::SelectLine(const wxPoint& pos) +{ + if ( m_Cell ) + { + wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y); + if ( cell ) + { + // We use following heuristic to find a "line": let the line be all + // cells in same container as the cell under mouse cursor that are + // neither completely above nor completely bellow the clicked cell + // (i.e. are likely to be words positioned on same line of text). + + int y1 = cell->GetAbsPos().y; + int y2 = y1 + cell->GetHeight(); + int y; + const wxHtmlCell *c; + const wxHtmlCell *before = NULL; + const wxHtmlCell *after = NULL; + + // find last cell of line: + for ( c = cell->GetNext(); c; c = c->GetNext()) + { + y = c->GetAbsPos().y; + if ( y + c->GetHeight() > y1 && y < y2 ) + after = c; + else + break; + } + if ( !after ) + after = cell; + + // find first cell of line: + for ( c = cell->GetParent()->GetFirstChild(); + c && c != cell; c = c->GetNext()) + { + y = c->GetAbsPos().y; + if ( y + c->GetHeight() > y1 && y < y2 ) + { + if ( ! before ) + before = c; + } + else + before = NULL; + } + if ( !before ) + before = cell; + delete m_selection; + m_selection = new wxHtmlSelection(); + m_selection->Set(before, after); + Refresh(); + } + } +} +void wxHtmlWindow::SelectAll() +{ + if ( m_Cell ) + { + delete m_selection; + m_selection = new wxHtmlSelection(); + m_selection->Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal()); + Refresh(); + } +} + +#endif // wxUSE_CLIPBOARD + + + +IMPLEMENT_ABSTRACT_CLASS(wxHtmlProcessor,wxObject) + +#if wxUSE_EXTENDED_RTTI +IMPLEMENT_DYNAMIC_CLASS_XTI(wxHtmlWindow, wxScrolledWindow,"wx/html/htmlwin.h") + +wxBEGIN_PROPERTIES_TABLE(wxHtmlWindow) +/* + TODO PROPERTIES + style , wxHW_SCROLLBAR_AUTO + borders , (dimension) + url , string + htmlcode , string +*/ +wxEND_PROPERTIES_TABLE() + +wxBEGIN_HANDLERS_TABLE(wxHtmlWindow) +wxEND_HANDLERS_TABLE() + +wxCONSTRUCTOR_5( wxHtmlWindow , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) +#else IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow) +#endif BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow) EVT_SIZE(wxHtmlWindow::OnSize) - EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent) - EVT_MOTION(wxHtmlWindow::OnMouseEvent) - EVT_IDLE(wxHtmlWindow::OnIdle) + EVT_LEFT_DOWN(wxHtmlWindow::OnMouseDown) + EVT_LEFT_UP(wxHtmlWindow::OnMouseUp) + EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp) + EVT_MOTION(wxHtmlWindow::OnMouseMove) + EVT_ERASE_BACKGROUND(wxHtmlWindow::OnEraseBackground) + EVT_PAINT(wxHtmlWindow::OnPaint) +#if wxUSE_CLIPBOARD + EVT_LEFT_DCLICK(wxHtmlWindow::OnDoubleClick) + EVT_ENTER_WINDOW(wxHtmlWindow::OnMouseEnter) + EVT_LEAVE_WINDOW(wxHtmlWindow::OnMouseLeave) + EVT_KEY_UP(wxHtmlWindow::OnKeyUp) + EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy) +#endif // wxUSE_CLIPBOARD END_EVENT_TABLE() @@ -620,20 +1389,10 @@ public: IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule) +// This hack forces the linker to always link in m_* files +// (wxHTML doesn't work without handlers from these files) +#include "wx/html/forcelnk.h" +FORCE_WXHTML_MODULES() +#endif // wxUSE_HTML -///// default mod handlers are forced there: - -FORCE_LINK(m_layout) -FORCE_LINK(m_fonts) -FORCE_LINK(m_image) -FORCE_LINK(m_list) -FORCE_LINK(m_dflist) -FORCE_LINK(m_pre) -FORCE_LINK(m_hline) -FORCE_LINK(m_links) -FORCE_LINK(m_tables) -FORCE_LINK(m_meta) - - -#endif