X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bfb9ee966d5d1f29e49f38e340812ade4b3cc956..c81c6d5400f732e89d41a7a3ab0eb824761ac52c:/src/html/htmlwin.cpp diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index 7f5fe924d2..00be22276a 100644 --- a/src/html/htmlwin.cpp +++ b/src/html/htmlwin.cpp @@ -4,11 +4,11 @@ // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "htmlwin.h" #pragma implementation "htmlproc.h" #endif @@ -18,28 +18,109 @@ #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/html/htmlproc.h" -#include "wx/log.h" -#include "wx/arrimpl.cpp" #include "wx/list.h" +#include "wx/clipbrd.h" +#include "wx/dataobj.h" +#include "wx/timer.h" +#include "wx/dcmemory.h" +#include "wx/settings.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 + + + //----------------------------------------------------------------------------- // wxHtmlHistoryItem //----------------------------------------------------------------------------- // item of history list -class WXDLLEXPORT wxHtmlHistoryItem : public wxObject +class WXDLLIMPEXP_HTML wxHtmlHistoryItem { public: wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;} @@ -70,41 +151,74 @@ WX_DEFINE_LIST(wxHtmlProcessorList); //----------------------------------------------------------------------------- -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_tmpMouseMoved = false; m_tmpLastLink = NULL; + m_tmpLastCell = NULL; m_tmpCanDrawLocks = 0; m_FS = new wxFileSystem(); +#if wxUSE_STATUSBAR m_RelatedStatusBar = -1; +#endif // wxUSE_STATUSBAR m_RelatedFrame = NULL; 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_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; + m_eraseBgInOnPaint = false; +} + +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; } @@ -117,10 +231,12 @@ void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format) +#if wxUSE_STATUSBAR void wxHtmlWindow::SetRelatedStatusBar(int bar) { m_RelatedStatusBar = bar; } +#endif // wxUSE_STATUSBAR @@ -131,37 +247,59 @@ void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int m_Parser->SetFonts(normal_face, fixed_face, sizes); // fonts changed => contents invalid, so reload the page: SetPage(wxT("")); - if (!op.IsEmpty()) LoadPage(op); + if (!op.empty()) + LoadPage(op); } +void wxHtmlWindow::SetStandardFonts(int size, + const wxString& normal_face, + const wxString& fixed_face) +{ + wxString op = m_OpenedPage; + + m_Parser->SetStandardFonts(size, normal_face, fixed_face); + // fonts changed => contents invalid, so reload the page: + SetPage(wxT("")); + if (!op.empty()) + LoadPage(op); +} bool wxHtmlWindow::SetPage(const wxString& source) { wxString newsrc(source); + wxDELETE(m_selection); + // pass HTML through registered processors: - if (m_Processors || m_SharedProcessors) + if (m_Processors || m_GlobalProcessors) { - wxHtmlProcessorList::Node *nodeL, *nodeS; - int prL, prS; - - nodeL = (m_Processors) ? m_Processors->GetFirst() : NULL; - nodeS = (m_SharedProcessors) ? m_SharedProcessors->GetFirst() : NULL; - - while (nodeL || nodeS) + 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; - prS = (nodeS) ? nodeS->GetData()->GetPriority() : -1; - if (prL > prS) + prG = (nodeG) ? nodeG->GetData()->GetPriority() : -1; + if (prL > prG) { - newsrc = nodeL->GetData()->Process(newsrc); + if (nodeL->GetData()->IsEnabled()) + newsrc = nodeL->GetData()->Process(newsrc); nodeL = nodeL->GetNext(); } - else // prL <= prS + else // prL <= prG { - newsrc = nodeS->GetData()->Process(newsrc); - nodeS = nodeS->GetNext(); + if (nodeG->GetData()->IsEnabled()) + newsrc = nodeG->GetData()->Process(newsrc); + nodeG = nodeG->GetNext(); } } } @@ -170,6 +308,7 @@ bool wxHtmlWindow::SetPage(const wxString& source) wxClientDC *dc = new wxClientDC(this); dc->SetMapMode(wxMM_TEXT); SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF)); + SetBackgroundImage(wxNullBitmap); m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; m_Parser->SetDC(dc); if (m_Cell) @@ -184,29 +323,34 @@ bool wxHtmlWindow::SetPage(const wxString& source) CreateLayout(); if (m_tmpCanDrawLocks == 0) Refresh(); - return TRUE; + 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); + bool needs_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); + 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); @@ -221,7 +365,7 @@ bool wxHtmlWindow::LoadPage(const wxString& location) } 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); @@ -230,52 +374,60 @@ bool wxHtmlWindow::LoadPage(const wxString& location) else { - needs_refresh = TRUE; + needs_refresh = true; +#if wxUSE_STATUSBAR // load&display it: if (m_RelatedStatusBar != -1) - { + { m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar); - Refresh(FALSE); + Refresh(false); } +#endif // wxUSE_STATUSBAR - f = m_FS->OpenFile(location); + f = m_Parser->OpenURL(wxHTML_URL_PAGE, location); + // try to interpret 'location' as filename instead of URL: if (f == NULL) - { - wxString err; + { + 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; + return false; } else - { - wxNode *node; + { + wxList::compatibility_iterator node; wxString src = wxEmptyString; +#if wxUSE_STATUSBAR if (m_RelatedStatusBar != -1) - { + { wxString msg = _("Loading : ") + location; m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar); - Refresh(FALSE); + Refresh(false); } +#endif // wxUSE_STATUSBAR 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 (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter(); src = m_DefaultFilter->ReadFile(*f); } @@ -284,14 +436,16 @@ bool wxHtmlWindow::LoadPage(const wxString& location) rt_val = SetPage(src); m_OpenedPage = f->GetLocation(); if (f->GetAnchor() != wxEmptyString) - { - wxYield(); + { ScrollToAnchor(f->GetAnchor()); } delete f; - if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar); +#if wxUSE_STATUSBAR + if (m_RelatedStatusBar != -1) + m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar); +#endif // wxUSE_STATUSBAR } } @@ -299,19 +453,22 @@ bool wxHtmlWindow::LoadPage(const wxString& location) { 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 wxHtmlHistoryItem(m_OpenedPage, m_OpenedAnchor)); + 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) { - wxYield(); m_tmpCanDrawLocks--; Refresh(); } @@ -322,6 +479,12 @@ 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) { @@ -329,7 +492,7 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) if (!c) { wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str()); - return FALSE; + return false; } else { @@ -338,7 +501,7 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY(); Scroll(-1, y / wxHTML_SCROLL_STEP); m_OpenedAnchor = anchor; - return TRUE; + return true; } } @@ -375,7 +538,7 @@ void wxHtmlWindow::CreateLayout() GetClientSize(&ClientWidth, &ClientHeight); m_Cell->Layout(ClientWidth); if (ClientHeight < m_Cell->GetHeight() + GetCharHeight()) - { + { SetScrollbars( wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, @@ -383,7 +546,7 @@ 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 @@ -452,11 +615,11 @@ bool wxHtmlWindow::HistoryBack() { wxString a, l; - if (m_HistoryPos < 1) return FALSE; + if (m_HistoryPos < 1) return false; // store scroll position into history item: int x, y; - ViewStart(&x, &y); + GetViewStart(&x, &y); (*m_History)[m_HistoryPos].SetPos(y); // go to previous position: @@ -464,22 +627,21 @@ bool wxHtmlWindow::HistoryBack() l = (*m_History)[m_HistoryPos].GetPage(); a = (*m_History)[m_HistoryPos].GetAnchor(); - m_HistoryOn = FALSE; + m_HistoryOn = false; m_tmpCanDrawLocks++; if (a == wxEmptyString) LoadPage(l); else LoadPage(l + wxT("#") + a); - m_HistoryOn = TRUE; - wxYield(); + m_HistoryOn = true; m_tmpCanDrawLocks--; Scroll(0, (*m_History)[m_HistoryPos].GetPos()); Refresh(); - return TRUE; + return true; } bool wxHtmlWindow::HistoryCanBack() { - if (m_HistoryPos < 1) return FALSE; - return TRUE ; + if (m_HistoryPos < 1) return false; + return true ; } @@ -487,31 +649,30 @@ 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 == -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(); - m_HistoryOn = FALSE; + m_HistoryOn = false; m_tmpCanDrawLocks++; if (a == wxEmptyString) LoadPage(l); else LoadPage(l + wxT("#") + a); - m_HistoryOn = TRUE; - wxYield(); + m_HistoryOn = true; m_tmpCanDrawLocks--; Scroll(0, (*m_History)[m_HistoryPos].GetPos()); Refresh(); - return TRUE; + return true; } bool wxHtmlWindow::HistoryCanForward() { - if (m_HistoryPos == -1) return FALSE; - if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE; - return TRUE ; + if (m_HistoryPos == -1) return false; + if (m_HistoryPos >= (int)m_History->GetCount() - 1)return false; + return true ; } @@ -526,59 +687,52 @@ void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor) if (!m_Processors) { m_Processors = new wxHtmlProcessorList; - m_Processors->DeleteContents(TRUE); } - wxHtmlProcessorList::Node *node; + wxHtmlProcessorList::compatibility_iterator node; for (node = m_Processors->GetFirst(); node; node = node->GetNext()) { if (processor->GetPriority() > node->GetData()->GetPriority()) { m_Processors->Insert(node, processor); - break; + return; } } + m_Processors->Append(processor); } -/*static */ void wxHtmlWindow::AddSharedProcessor(wxHtmlProcessor *processor) +/*static */ void wxHtmlWindow::AddGlobalProcessor(wxHtmlProcessor *processor) { - if (!m_SharedProcessors) + if (!m_GlobalProcessors) { - m_SharedProcessors = new wxHtmlProcessorList; - m_SharedProcessors->DeleteContents(TRUE); + m_GlobalProcessors = new wxHtmlProcessorList; } - wxHtmlProcessorList::Node *node; + wxHtmlProcessorList::compatibility_iterator node; - for (node = m_SharedProcessors->GetFirst(); node; node = node->GetNext()) + for (node = m_GlobalProcessors->GetFirst(); node; node = node->GetNext()) { if (processor->GetPriority() > node->GetData()->GetPriority()) { - m_SharedProcessors->Insert(node, processor); - break; + 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_SharedProcessors = NULL; +wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL; void wxHtmlWindow::CleanUpStatics() { - delete m_DefaultFilter; - m_DefaultFilter = NULL; - m_Filters.DeleteContents(TRUE); - m_Filters.Clear(); - - delete m_SharedProcessors; - m_SharedProcessors = NULL; - - delete s_cur_hand; - 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); } @@ -589,41 +743,230 @@ 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::DoSelectionToText(wxHtmlSelection *sel) +{ + if ( !sel ) + return wxEmptyString; + + wxClientDC dc(this); + + const wxHtmlCell *end = sel->GetToCell(); + wxString text; + wxHtmlTerminalCellsInterator i(sel->GetFromCell(), end); + if ( i ) + { + text << i->ConvertToText(sel); + ++i; + } + const wxHtmlCell *prev = *i; + while ( i ) + { + if ( prev->GetParent() != i->GetParent() ) + text << _T('\n'); + text << i->ConvertToText(*i == end ? sel : NULL); + prev = *i; + ++i; + } + return text; +} + +wxString wxHtmlWindow::ToText() +{ + if (m_Cell) + { + wxHtmlSelection sel; + sel.Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal()); + return DoSelectionToText(&sel); + } + else + return wxEmptyString; +} + +#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::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell), + wxCoord WXUNUSED(x), wxCoord WXUNUSED(y)) +{ + // do nothing here +} + +void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event) +{ + if ( !m_bmpBg.Ok() ) + { + // don't even skip the event, if we don't have a bg bitmap we're going + // to overwrite background in OnPaint() below anyhow, so letting the + // default handling take place would only result in flicker, just set a + // flag to erase the background below + m_eraseBgInOnPaint = true; + return; + } + + wxDC& dc = *event.GetDC(); + + // if the image is not fully opaque, we have to erase the background before + // drawing it, however avoid doing it for opaque images as this would just + // result in extra flicker without any other effect as background is + // completely covered anyhow + if ( m_bmpBg.GetMask() ) + { + dc.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID)); + dc.Clear(); + } + + const wxSize sizeWin(GetClientSize()); + const wxSize sizeBmp(m_bmpBg.GetWidth(), m_bmpBg.GetHeight()); + for ( wxCoord x = 0; x < sizeWin.x; x += sizeBmp.x ) + { + for ( wxCoord y = 0; y < sizeWin.y; y += sizeBmp.y ) + { + dc.DrawBitmap(m_bmpBg, x, y, true /* use mask */); + } + } +} -void wxHtmlWindow::OnDraw(wxDC& dc) +void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) { + wxPaintDC dc(this); + + if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) + return; + int x, y; - wxRegionIterator upd(GetUpdateRegion()); // get the update rect list - int v_y, v_h; + GetViewStart(&x, &y); + wxRect rect = GetUpdateRegion().GetBox(); + wxSize sz = GetSize(); - if (m_tmpCanDrawLocks > 0) return; + wxMemoryDC dcm; + if ( !m_backBuffer ) + m_backBuffer = new wxBitmap(sz.x, sz.y); + dcm.SelectObject(*m_backBuffer); - 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); + if ( m_eraseBgInOnPaint ) + { + dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID)); + dcm.Clear(); + + m_eraseBgInOnPaint = false; + } + else // someone has already erased the background, keep it + { + // preserve the existing background, otherwise we'd erase anything the + // user code had drawn in its EVT_ERASE_BACKGROUND handler when we do + // the Blit back below + dcm.Blit(0, rect.GetTop(), + sz.x, rect.GetBottom() - rect.GetTop() + 1, + &dc, + 0, rect.GetTop()); + } - while (upd) + 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()); } @@ -631,80 +974,488 @@ 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_Cell) - m_Cell->OnMouseClick(this, sx + pos.x, sy + pos.y, event); + if ( m_selection ) + { + wxDELETE(m_selection); + Refresh(); + } + m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition()); + m_tmpSelFromCell = NULL; + + 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 -void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event)) -{ - if (s_cur_hand == NULL) + SetFocus(); + if ( m_Cell ) { - s_cur_hand = new wxCursor(wxCURSOR_HAND); - s_cur_arrow = new wxCursor(wxCURSOR_ARROW); + 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::OnInternalIdle() +{ + wxWindow::OnInternalIdle(); if (m_tmpMouseMoved && (m_Cell != NULL)) { - 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); +#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 - { - SetCursor(*s_cur_hand); - if (m_RelatedStatusBar != -1) - m_RelatedFrame->SetStatusText(lnk->GetHref(), m_RelatedStatusBar); + { + 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 wxUSE_STATUSBAR + 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); + } +#endif // wxUSE_STATUSBAR + 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 wxUSE_CLIPBOARD +void wxHtmlWindow::StopAutoScrolling() +{ + if ( m_timerAutoScroll ) + { + 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 // 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() @@ -720,27 +1471,17 @@ class wxHtmlWinModule: public wxModule DECLARE_DYNAMIC_CLASS(wxHtmlWinModule) public: wxHtmlWinModule() : wxModule() {} - bool OnInit() { return TRUE; } + bool OnInit() { return true; } void OnExit() { wxHtmlWindow::CleanUpStatics(); } }; 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