X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/960ba969f9b7e004cfa7bd1ea26e953dbc159f8c..f9007c324c9b4f6288156dcf0b865090ee0c0c38:/src/html/htmlwin.cpp diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index 9c7264d6e8..c025b66edb 100644 --- a/src/html/htmlwin.cpp +++ b/src/html/htmlwin.cpp @@ -18,28 +18,108 @@ #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/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 + + + //----------------------------------------------------------------------------- // wxHtmlHistoryItem //----------------------------------------------------------------------------- // item of history list -class WXDLLEXPORT wxHtmlHistoryItem : public wxObject +class WXDLLEXPORT wxHtmlHistoryItem { public: wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;} @@ -70,11 +150,11 @@ 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_tmpLastLink = NULL; + m_tmpLastCell = NULL; m_tmpCanDrawLocks = 0; m_FS = new wxFileSystem(); m_RelatedStatusBar = -1; @@ -84,19 +164,40 @@ wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, 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 + 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 HistoryClear(); if (m_Cell) delete m_Cell; @@ -105,6 +206,7 @@ wxHtmlWindow::~wxHtmlWindow() delete m_FS; delete m_History; delete m_Processors; + delete m_backBuffer; } @@ -140,6 +242,8 @@ bool wxHtmlWindow::SetPage(const wxString& source) { wxString newsrc(source); + wxDELETE(m_selection); + // pass HTML through registered processors: if (m_Processors || m_GlobalProcessors) { @@ -150,7 +254,7 @@ bool wxHtmlWindow::SetPage(const wxString& source) nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : NULL; // VS: there are two lists, global and local, both of them sorted by - // priority. Since we have to go through _both_ lists with + // 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 @@ -160,12 +264,14 @@ bool wxHtmlWindow::SetPage(const wxString& source) 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 <= prG { - newsrc = nodeG->GetData()->Process(newsrc); + if (nodeG->GetData()->IsEnabled()) + newsrc = nodeG->GetData()->Process(newsrc); nodeG = nodeG->GetNext(); } } @@ -192,26 +298,29 @@ bool wxHtmlWindow::SetPage(const wxString& source) 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)) + 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('#')) + if (location[0] == wxT('#')) { // local anchor: wxString anch = location.Mid(1) /*1 to end*/; @@ -228,7 +337,7 @@ 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); @@ -240,31 +349,35 @@ bool wxHtmlWindow::LoadPage(const wxString& location) needs_refresh = TRUE; // load&display it: if (m_RelatedStatusBar != -1) - { + { m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar); Refresh(FALSE); } - 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; } else - { + { wxNode *node; wxString src = wxEmptyString; if (m_RelatedStatusBar != -1) - { + { wxString msg = _("Loading : ") + location; m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar); Refresh(FALSE); @@ -272,17 +385,17 @@ 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 (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter(); src = m_DefaultFilter->ReadFile(*f); } @@ -291,8 +404,7 @@ bool wxHtmlWindow::LoadPage(const wxString& location) rt_val = SetPage(src); m_OpenedPage = f->GetLocation(); if (f->GetAnchor() != wxEmptyString) - { - wxYield(); + { ScrollToAnchor(f->GetAnchor()); } @@ -306,19 +418,22 @@ 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(); } @@ -329,6 +444,12 @@ 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) { @@ -382,7 +503,7 @@ 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, @@ -390,7 +511,7 @@ 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 @@ -463,7 +584,7 @@ bool wxHtmlWindow::HistoryBack() // 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: @@ -476,7 +597,6 @@ bool wxHtmlWindow::HistoryBack() if (a == wxEmptyString) LoadPage(l); else LoadPage(l + wxT("#") + a); m_HistoryOn = TRUE; - wxYield(); m_tmpCanDrawLocks--; Scroll(0, (*m_History)[m_HistoryPos].GetPos()); Refresh(); @@ -507,7 +627,6 @@ bool wxHtmlWindow::HistoryForward() if (a == wxEmptyString) LoadPage(l); else LoadPage(l + wxT("#") + a); m_HistoryOn = TRUE; - wxYield(); m_tmpCanDrawLocks--; Scroll(0, (*m_History)[m_HistoryPos].GetPos()); Refresh(); @@ -556,7 +675,7 @@ void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor) m_GlobalProcessors->DeleteContents(TRUE); } wxHtmlProcessorList::Node *node; - + for (node = m_GlobalProcessors->GetFirst(); node; node = node->GetNext()) { if (processor->GetPriority() > node->GetData()->GetPriority()) @@ -578,14 +697,12 @@ wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL; void wxHtmlWindow::CleanUpStatics() { - delete m_DefaultFilter; - m_DefaultFilter = NULL; + wxDELETE(m_DefaultFilter); m_Filters.DeleteContents(TRUE); m_Filters.Clear(); - delete m_GlobalProcessors; - m_GlobalProcessors = NULL; - delete s_cur_hand; - delete s_cur_arrow; + wxDELETE(m_GlobalProcessors); + wxDELETE(s_cur_hand); + wxDELETE(s_cur_arrow); } @@ -596,41 +713,123 @@ 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; +} + +void wxHtmlWindow::CopySelection(ClipboardType t) +{ + if ( m_selection ) + { + wxTheClipboard->UsePrimarySelection(t == Primary); + wxString txt(SelectionToText()); + if ( wxTheClipboard->Open() ) + { + wxTheClipboard->SetData(new wxTextDataObject(txt)); + wxTheClipboard->Close(); + wxLogTrace(_T("wxhtmlselection"), + _("Copied to clipboard:\"%s\""), txt.c_str()); + } + } +} +#endif 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; +void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event) +{ +} - 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::OnPaint(wxPaintEvent& WXUNUSED(event)) +{ + wxPaintDC dc(this); - while (upd) - { - 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++; - } + if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return; + + 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); + + dcm.SetDeviceOrigin(0,0); + dc.Blit(0, rect.GetTop(), + sz.x, rect.GetBottom() - rect.GetTop() + 1, + &dcm, + 0, rect.GetTop()); } @@ -638,27 +837,88 @@ 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& 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())); + } + else + { + m_makingSelection = true; + + if ( m_selection ) + { + wxDELETE(m_selection); + Refresh(); + } + m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition()); + m_tmpSelFromCell = NULL; - ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP; - pos = event.GetPosition(); + CaptureMouse(); + } + } +#endif +} + +void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) +{ +#if wxUSE_CLIPBOARD + if ( m_makingSelection ) + { + ReleaseMouse(); + m_makingSelection = false; - if (m_Cell) - m_Cell->OnMouseClick(this, sx + pos.x, sy + pos.y, event); + // did the user move the mouse far enough from starting point? + if ( m_selection ) + { +#ifdef __UNIX__ + CopySelection(Primary); +#endif + // we don't want mouse up event that ended selecting to be + // handled as mouse click and e.g. follow hyperlink: + return; + } + } +#endif + + SetFocus(); + if ( m_Cell ) + { + wxPoint pos = CalcUnscrolledPosition(event.GetPosition()); + wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y); + + // VZ: is it possible that we don't find anything at all? + // VS: yes. FindCellByPos returns terminal cell and + // containers may have empty borders + if ( cell ) + OnCellClicked(cell, pos.x, pos.y, event); } } @@ -674,34 +934,303 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event)) 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); + 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 ) + { + bool goingDown = m_tmpSelFromPos.y < y || + m_tmpSelFromPos.y == y && m_tmpSelFromPos.x < x; + + if ( !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(); + } } - else - { - SetCursor(*s_cur_hand); - if (m_RelatedStatusBar != -1) - m_RelatedFrame->SetStatusText(lnk->GetHref(), m_RelatedStatusBar); + + wxHtmlCell *selcell = cell; + if (!selcell) + { + if (goingDown) + { + selcell = m_Cell->FindCellByPos(x, y, + wxHTML_FIND_NEAREST_AFTER); + if (!selcell) + selcell = m_Cell->GetLastTerminal(); + } + else + { + selcell = m_Cell->FindCellByPos(x, y, + wxHTML_FIND_NEAREST_BEFORE); + 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(); + } } - m_tmpLastLink = lnk; } + + // handle cursor and status bar text changes: + if ( cell != m_tmpLastCell ) + { + wxHtmlLinkInfo *lnk = cell ? cell->GetLink(x, y) : NULL; + + if (lnk != m_tmpLastLink) + { + if (lnk == NULL) + { + SetCursor(*s_cur_arrow); + if (m_RelatedStatusBar != -1) + m_RelatedFrame->SetStatusText(wxEmptyString, + m_RelatedStatusBar); + } + else + { + SetCursor(*s_cur_hand); + 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 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; + } + } + + // 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() ) + { + if ( m_selection ) + CopySelection(); + } +} + +void wxHtmlWindow::OnCopy(wxCommandEvent& event) +{ + if ( m_selection ) + CopySelection(); +} + +void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event) +{ + // select word under cursor: + if ( IsSelectionEnabled() ) + { + SelectWord(CalcUnscrolledPosition(event.GetPosition())); + m_lastDoubleClick = wxGetLocalTimeMillis(); + } + else + event.Skip(); +} + +void wxHtmlWindow::SelectWord(const wxPoint& pos) +{ + 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) +{ + 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(); + } +} +#endif + + IMPLEMENT_ABSTRACT_CLASS(wxHtmlProcessor,wxObject) @@ -709,9 +1238,20 @@ IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow) BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow) EVT_SIZE(wxHtmlWindow::OnSize) - EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent) - EVT_MOTION(wxHtmlWindow::OnMouseEvent) + EVT_LEFT_DOWN(wxHtmlWindow::OnMouseDown) + EVT_LEFT_UP(wxHtmlWindow::OnMouseUp) + EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp) + EVT_MOTION(wxHtmlWindow::OnMouseMove) EVT_IDLE(wxHtmlWindow::OnIdle) + 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 END_EVENT_TABLE() @@ -734,20 +1274,9 @@ public: IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule) - - -///// 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) - +// 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