X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a76015e6ebf22e267c80f3740f3f7adc523b47e3..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/src/html/htmlwin.cpp?ds=inline diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index b98f5fed9a..c437f70709 100644 --- a/src/html/htmlwin.cpp +++ b/src/html/htmlwin.cpp @@ -1,98 +1,355 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: htmlwin.cpp +// Name: src/html/htmlwin.cpp // Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation) // Author: Vaclav Slavik +// RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +#include "wx/wxprec.h" -#ifdef __GNUG__ -#pragma implementation +#ifdef __BORLANDC__ + #pragma hdrstop #endif -#include +#if wxUSE_HTML && wxUSE_STREAMS + +#ifndef WX_PRECOMP + #include "wx/list.h" + #include "wx/log.h" + #include "wx/intl.h" + #include "wx/dcclient.h" + #include "wx/frame.h" + #include "wx/dcmemory.h" + #include "wx/timer.h" + #include "wx/settings.h" + #include "wx/dataobj.h" +#endif -#include "wx/defs.h" -#if wxUSE_HTML +#include "wx/html/htmlwin.h" +#include "wx/html/htmlproc.h" +#include "wx/clipbrd.h" -#ifdef __BORDLANDC__ -#pragma hdrstop -#endif +#include "wx/arrimpl.cpp" +#include "wx/listimpl.cpp" -#ifndef WXPRECOMP -#include -#endif +// HTML events: +IMPLEMENT_DYNAMIC_CLASS(wxHtmlLinkEvent, wxCommandEvent) +IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellEvent, wxCommandEvent) -#include +DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_CELL_CLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_CELL_HOVER) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_LINK_CLICKED) -#include -///// This is my own wxBusyCursor. It works only with one window. +#if wxUSE_CLIPBOARD +// ---------------------------------------------------------------------------- +// wxHtmlWinAutoScrollTimer: the timer used to generate a stream of scroll +// events when a captured mouse is held outside the window +// ---------------------------------------------------------------------------- -#if (defined __WXGTK__) && (wxVERSION_NUMBER < 2100) -class wxLocalBusyCursor -#else -class wxLocalBusyCursor : public wxBusyCursor -#endif +class wxHtmlWinAutoScrollTimer : public wxTimer { - private: - wxWindow *m_Wnd; - public: -#if (defined __WXGTK__) && (wxVERSION_NUMBER < 2100) - wxLocalBusyCursor(wxWindow *w) {m_Wnd = w; m_Wnd -> SetCursor(*wxHOURGLASS_CURSOR);} - ~wxLocalBusyCursor() {m_Wnd -> SetCursor(*wxSTANDARD_CURSOR);} -#else - wxLocalBusyCursor(wxWindow *w) : wxBusyCursor() {} -#endif +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; +}; + + +//----------------------------------------------------------------------------- +// our private arrays: //----------------------------------------------------------------------------- +WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray); +WX_DEFINE_OBJARRAY(wxHtmlHistoryArray) +WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList); +WX_DEFINE_LIST(wxHtmlProcessorList) -#include -WX_DEFINE_OBJARRAY(HtmlHistoryArray) +//----------------------------------------------------------------------------- +// wxHtmlWindowMouseHelper +//----------------------------------------------------------------------------- +wxHtmlWindowMouseHelper::wxHtmlWindowMouseHelper(wxHtmlWindowInterface *iface) + : m_tmpMouseMoved(false), + m_tmpLastLink(NULL), + m_tmpLastCell(NULL), + m_interface(iface) +{ +} -wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, - const wxString& name, bool scrollable) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL, name) +void wxHtmlWindowMouseHelper::HandleMouseMoved() { - m_tmpMouseMoved = FALSE; - m_tmpCanDraw = TRUE; + m_tmpMouseMoved = true; +} + +bool wxHtmlWindowMouseHelper::HandleMouseClick(wxHtmlCell *rootCell, + const wxPoint& pos, + const wxMouseEvent& event) +{ + if (!rootCell) + return false; + + wxHtmlCell *cell = rootCell->FindCellByPos(pos.x, pos.y); + // this check is needed because FindCellByPos returns terminal cell and + // containers may have empty borders -- in this case NULL will be + // returned + if (!cell) + return false; + + // adjust the coordinates to be relative to this cell: + wxPoint relpos = pos - cell->GetAbsPos(rootCell); + + return OnCellClicked(cell, relpos.x, relpos.y, event); +} + +void wxHtmlWindowMouseHelper::HandleIdle(wxHtmlCell *rootCell, + const wxPoint& pos) +{ + wxHtmlCell *cell = rootCell ? rootCell->FindCellByPos(pos.x, pos.y) : NULL; + + if (cell != m_tmpLastCell) + { + wxHtmlLinkInfo *lnk = NULL; + if (cell) + { + // adjust the coordinates to be relative to this cell: + wxPoint relpos = pos - cell->GetAbsPos(rootCell); + lnk = cell->GetLink(relpos.x, relpos.y); + } + + wxCursor cur; + if (cell) + cur = cell->GetMouseCursor(m_interface); + else + cur = m_interface->GetHTMLCursor( + wxHtmlWindowInterface::HTMLCursor_Default); + + m_interface->GetHTMLWindow()->SetCursor(cur); + + if (lnk != m_tmpLastLink) + { + if (lnk) + m_interface->SetHTMLStatusText(lnk->GetHref()); + else + m_interface->SetHTMLStatusText(wxEmptyString); + + m_tmpLastLink = lnk; + } + + m_tmpLastCell = cell; + } + else // mouse moved but stayed in the same cell + { + if ( cell ) + { + OnCellMouseHover(cell, pos.x, pos.y); + } + } + + m_tmpMouseMoved = false; +} + +bool wxHtmlWindowMouseHelper::OnCellClicked(wxHtmlCell *cell, + wxCoord x, wxCoord y, + const wxMouseEvent& event) +{ + wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_CLICKED, + m_interface->GetHTMLWindow()->GetId(), + cell, wxPoint(x,y), event); + + if (!m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev)) + { + // if the event wasn't handled, do the default processing here: + + wxASSERT_MSG( cell, _T("can't be called with NULL cell") ); + + cell->ProcessMouseClick(m_interface, ev.GetPoint(), ev.GetMouseEvent()); + } + + // true if a link was clicked, false otherwise + return ev.GetLinkClicked(); +} + +void wxHtmlWindowMouseHelper::OnCellMouseHover(wxHtmlCell * cell, + wxCoord x, + wxCoord y) +{ + wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_HOVER, + m_interface->GetHTMLWindow()->GetId(), + cell, wxPoint(x,y), wxMouseEvent()); + m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev); +} + + + + +//----------------------------------------------------------------------------- +// wxHtmlWindow +//----------------------------------------------------------------------------- + +wxList wxHtmlWindow::m_Filters; +wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL; +wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL; +wxCursor *wxHtmlWindow::ms_cursorLink = NULL; +wxCursor *wxHtmlWindow::ms_cursorText = NULL; + +void wxHtmlWindow::CleanUpStatics() +{ + wxDELETE(m_DefaultFilter); + WX_CLEAR_LIST(wxList, m_Filters); + if (m_GlobalProcessors) + WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors); + wxDELETE(m_GlobalProcessors); + wxDELETE(ms_cursorLink); + wxDELETE(ms_cursorText); +} + +void wxHtmlWindow::Init() +{ + m_tmpCanDrawLocks = 0; m_FS = new wxFileSystem(); +#if wxUSE_STATUSBAR m_RelatedStatusBar = -1; +#endif // wxUSE_STATUSBAR m_RelatedFrame = NULL; - m_TitleFormat = "%s"; - m_OpenedPage = m_OpenedAnchor = wxEmptyString; + 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_Parser->SetFS(m_FS); m_HistoryPos = -1; - m_HistoryOn = TRUE; - m_Scrollable = scrollable; - SetPage(""); + m_HistoryOn = true; + m_History = new wxHtmlHistoryArray; + m_Processors = NULL; + 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; + m_tmpSelFromCell = 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; + + 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; - wxList *parser_data = m_Parser -> GetTempData(); - if (parser_data) delete parser_data; + if ( m_Processors ) + { + WX_CLEAR_LIST(wxHtmlProcessorList, *m_Processors); + } delete m_Parser; delete m_FS; + delete m_History; + delete m_Processors; + delete m_backBuffer; } @@ -105,154 +362,294 @@ void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format) +#if wxUSE_STATUSBAR void wxHtmlWindow::SetRelatedStatusBar(int bar) { m_RelatedStatusBar = bar; } - - - -void wxHtmlWindow::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, int *sizes) +#endif // wxUSE_STATUSBAR + + + +void wxHtmlWindow::SetFonts(const wxString& normal_face, const wxString& fixed_face, const int *sizes) { - m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes); - if (!m_OpenedPage.IsEmpty()) LoadPage(m_OpenedPage); + m_Parser->SetFonts(normal_face, fixed_face, sizes); + + // re-layout the page after changing fonts: + DoSetPage(*(m_Parser->GetSource())); } +void wxHtmlWindow::SetStandardFonts(int size, + const wxString& normal_face, + const wxString& fixed_face) +{ + m_Parser->SetStandardFonts(size, normal_face, fixed_face); + // re-layout the page after changing fonts: + DoSetPage(*(m_Parser->GetSource())); +} bool wxHtmlWindow::SetPage(const wxString& source) { - wxClientDC *dc = new wxClientDC(this); + m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; + return DoSetPage(source); +} + +bool wxHtmlWindow::DoSetPage(const wxString& source) +{ + wxString newsrc(source); + + wxDELETE(m_selection); + + // we will soon delete all the cells, so clear pointers to them: + m_tmpSelFromCell = NULL; + + // pass HTML through registered processors: + if (m_Processors || m_GlobalProcessors) + { + wxHtmlProcessorList::compatibility_iterator nodeL, nodeG; + int prL, prG; + + if ( m_Processors ) + nodeL = m_Processors->GetFirst(); + if ( m_GlobalProcessors ) + nodeG = m_GlobalProcessors->GetFirst(); + + // 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(); + } + } + } - dc -> SetMapMode(wxMM_TEXT); + // ...and run the parser on it: + wxClientDC *dc = new wxClientDC(this); + dc->SetMapMode(wxMM_TEXT); SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF)); - m_OpenedPage = m_OpenedAnchor = wxEmptyString; - m_Parser -> SetDC(dc); - if (m_Cell) delete m_Cell; - m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source); + SetBackgroundImage(wxNullBitmap); + + m_Parser->SetDC(dc); + if (m_Cell) + { + delete m_Cell; + m_Cell = NULL; + } + m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc); delete dc; - m_Cell -> SetIndent(m_Borders, HTML_INDENT_ALL, HTML_UNITS_PIXELS); - m_Cell -> SetAlignHor(HTML_ALIGN_CENTER); + m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS); + m_Cell->SetAlignHor(wxHTML_ALIGN_CENTER); CreateLayout(); - Refresh(); - return TRUE; + if (m_tmpCanDrawLocks == 0) + Refresh(); + return true; } +bool wxHtmlWindow::AppendToPage(const wxString& source) +{ + return DoSetPage(*(GetParser()->GetSource()) + source); +} bool wxHtmlWindow::LoadPage(const wxString& location) { + wxBusyCursor busyCursor; + wxFSFile *f; bool rt_val; - wxLocalBusyCursor b(this); + bool needs_refresh = false; - m_tmpCanDraw = FALSE; - if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item + m_tmpCanDrawLocks++; + 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] == '#') { // local anchor + if (location[0] == wxT('#')) + { + // local anchor: wxString anch = location.Mid(1) /*1 to end*/; - m_tmpCanDraw = TRUE; + m_tmpCanDrawLocks--; + rt_val = ScrollToAnchor(anch); + m_tmpCanDrawLocks++; + } + 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) + { + wxString anch = location.AfterFirst(wxT('#')); + m_tmpCanDrawLocks--; rt_val = ScrollToAnchor(anch); + m_tmpCanDrawLocks++; } - else { + else + { + needs_refresh = true; +#if wxUSE_STATUSBAR // load&display it: - if (m_RelatedStatusBar != -1) { - m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar); - Refresh(); + if (m_RelatedStatusBar != -1) + { + m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar); + Refresh(false); } +#endif // wxUSE_STATUSBAR - f = m_FS -> OpenFile(location); - if (f == NULL) { - wxString err; + f = m_Parser->OpenURL(wxHTML_URL_PAGE, location); - err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location); - m_tmpCanDraw = TRUE; - Refresh(); - wxMessageBox(err, "Error"); - return FALSE; + // 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); } - else { - wxNode *node; + if (f == NULL) + { + wxLogError(_("Unable to open requested HTML document: %s"), location.c_str()); + m_tmpCanDrawLocks--; + return false; + } + + else + { + wxList::compatibility_iterator node; wxString src = wxEmptyString; - if (m_RelatedStatusBar != -1) { +#if wxUSE_STATUSBAR + if (m_RelatedStatusBar != -1) + { wxString msg = _("Loading : ") + location; - m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar); - Refresh(); + m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar); + Refresh(false); } +#endif // wxUSE_STATUSBAR node = m_Filters.GetFirst(); - while (node){ - wxHtmlFilter *h = (wxHtmlFilter*) node -> GetData(); - if (h -> CanRead(*f)) { - src = h -> ReadFile(*f); + while (node) + { + wxHtmlFilter *h = (wxHtmlFilter*) node->GetData(); + if (h->CanRead(*f)) + { + src = h->ReadFile(*f); break; } - node = node -> GetNext(); + node = node->GetNext(); + } + if (src == wxEmptyString) + { + if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter(); + src = m_DefaultFilter->ReadFile(*f); } - if (src == wxEmptyString) { - if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter(); - src = m_DefaultFilter -> ReadFile(*f); - } - m_FS -> ChangePathTo(f -> GetLocation()); + m_FS->ChangePathTo(f->GetLocation()); rt_val = SetPage(src); - m_OpenedPage = f -> GetLocation(); - if (f -> GetAnchor() != wxEmptyString) { - m_tmpCanDraw = TRUE; - ScrollToAnchor(f -> GetAnchor()); - m_tmpCanDraw = FALSE; + m_OpenedPage = f->GetLocation(); + if (f->GetAnchor() != wxEmptyString) + { + 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 + } + } + + if (m_HistoryOn) // add this page to history there: + { + 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_HistoryOn) { // add this page to history there: - int c = m_History.GetCount() - (m_HistoryPos + 1); + if (m_OpenedPageTitle == wxEmptyString) + OnSetTitle(wxFileNameFromPath(m_OpenedPage)); - m_HistoryPos++; - for (int i = 0; i < c; i++) - m_History.Remove(m_HistoryPos); - m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor)); + if (needs_refresh) + { + m_tmpCanDrawLocks--; + Refresh(); } + else + m_tmpCanDrawLocks--; - m_tmpCanDraw = TRUE; - Refresh(); return rt_val; } +bool wxHtmlWindow::LoadFile(const wxFileName& filename) +{ + wxString url = wxFileSystem::FileNameToURL(filename); + return LoadPage(url); +} + bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) { - const wxHtmlCell *c = m_Cell -> Find(HTML_COND_ISANCHOR, &anchor); - if (!c) return FALSE; - else { + const wxHtmlCell *c = m_Cell->Find(wxHTML_COND_ISANCHOR, &anchor); + if (!c) + { + wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str()); + return false; + } + else + { int y; - - for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY(); - Scroll(-1, y / HTML_SCROLL_STEP); + + for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY(); + Scroll(-1, y / wxHTML_SCROLL_STEP); m_OpenedAnchor = anchor; - return TRUE; + return true; } } -void wxHtmlWindow::SetTitle(const wxString& title) +void wxHtmlWindow::OnSetTitle(const wxString& title) { - if (m_RelatedFrame) { + if (m_RelatedFrame) + { wxString tit; tit.Printf(m_TitleFormat, title.c_str()); - m_RelatedFrame -> SetTitle(tit); + m_RelatedFrame->SetTitle(tit); } + m_OpenedPageTitle = title; } @@ -264,39 +661,61 @@ void wxHtmlWindow::CreateLayout() int ClientWidth, ClientHeight; if (!m_Cell) return; - GetClientSize(&ClientWidth, &ClientHeight); - m_Cell -> Layout(ClientWidth); - if (m_Scrollable) - SetScrollbars(HTML_SCROLL_STEP, HTML_SCROLL_STEP, - m_Cell -> GetWidth() / HTML_SCROLL_STEP, - m_Cell -> GetHeight() / HTML_SCROLL_STEP - /*cheat: top-level frag is always container*/ ); + + if ( HasFlag(wxHW_SCROLLBAR_NEVER) ) + { + SetScrollbars(1, 1, 0, 0); // always off + GetClientSize(&ClientWidth, &ClientHeight); + m_Cell->Layout(ClientWidth); + } + else // !wxHW_SCROLLBAR_NEVER + { + 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, + (m_Cell->GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP + /*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 + } + } } - + void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path) { wxString oldpath; wxString tmp; + int p_fontsizes[7]; + wxString p_fff, p_ffn; - if (path != wxEmptyString) { - oldpath = cfg -> GetPath(); - cfg -> SetPath(path); + if (path != wxEmptyString) + { + oldpath = cfg->GetPath(); + cfg->SetPath(path); } - m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders); - m_Parser -> m_FontFaceFixed = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed); - m_Parser -> m_FontFaceNormal = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal); - m_Parser -> m_ItalicModeFixed = cfg -> Read("wxHtmlWindow/ItalicModeFixed", m_Parser -> m_ItalicModeFixed); - m_Parser -> m_ItalicModeNormal = cfg -> Read("wxHtmlWindow/ItalicModeNormal", m_Parser -> m_ItalicModeNormal); - for (int i = 0; i < 7; i++) { - tmp.Printf("wxHtmlWindow/FontsSize%i", i); - m_Parser -> m_FontsSizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[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]); } + SetFonts(p_ffn, p_fff, p_fontsizes); if (path != wxEmptyString) - cfg -> SetPath(oldpath); + cfg->SetPath(oldpath); } @@ -306,23 +725,23 @@ void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path) wxString oldpath; wxString tmp; - if (path != wxEmptyString) { - oldpath = cfg -> GetPath(); - cfg -> SetPath(path); + 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); - cfg -> Write("wxHtmlWindow/ItalicModeFixed", (long) m_Parser -> m_ItalicModeFixed); - cfg -> Write("wxHtmlWindow/ItalicModeNormal", (long) m_Parser -> m_ItalicModeNormal); - for (int i = 0; i < 7; i++) { - tmp.Printf("wxHtmlWindow/FontsSize%i", i); - cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[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]); } if (path != wxEmptyString) - cfg -> SetPath(oldpath); + cfg->SetPath(oldpath); } @@ -331,101 +750,336 @@ 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; + 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(); - m_HistoryOn = FALSE; + 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 + "#" + a); - m_HistoryOn = TRUE; - Scroll(0, m_History[m_HistoryPos].GetPos()); + else LoadPage(l + wxT("#") + a); + 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 ; +} 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; + 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 + "#" + a); - m_HistoryOn = TRUE; - Scroll(0, m_History[m_HistoryPos].GetPos()); + else LoadPage(l + wxT("#") + a); + 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 ; +} 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); +} - -wxList wxHtmlWindow::m_Filters; -wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL; - -void wxHtmlWindow::CleanUpStatics() +/*static */ void wxHtmlWindow::AddGlobalProcessor(wxHtmlProcessor *processor) { - if (m_DefaultFilter) delete m_DefaultFilter; - m_DefaultFilter = NULL; + 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); } void wxHtmlWindow::AddFilter(wxHtmlFilter *filter) { - m_Filters.DeleteContents(TRUE); m_Filters.Append(filter); } +bool wxHtmlWindow::IsSelectionEnabled() const +{ +#if wxUSE_CLIPBOARD + return !HasFlag(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 ) + { +#if defined(__UNIX__) && !defined(__WXMAC__) + 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; + } + } +#else + wxUnusedVar(t); +#endif // wxUSE_CLIPBOARD + + return false; +} -void wxHtmlWindow::OnLinkClicked(const wxString& link) +void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link) { - LoadPage(link); + wxHtmlLinkEvent event(GetId(), link); + event.SetEventObject(this); + if (!GetEventHandler()->ProcessEvent(event)) + { + // the default behaviour is to load the URL in this window + const wxMouseEvent *e = event.GetLinkInfo().GetEvent(); + if (e == NULL || e->LeftUp()) + LoadPage(event.GetLinkInfo().GetHref()); + } } +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_tmpCanDraw) return; - dc.SetMapMode(wxMM_TEXT); -#if defined(_MSC_VER) && (_MSC_VER == 1200) - ::SetMapMode((HDC)dc.GetHDC(), MM_TEXT); -#endif - dc.SetBackgroundMode(wxTRANSPARENT); - ViewStart(&x, &y); + wxMemoryDC dcm; + if ( !m_backBuffer ) + m_backBuffer = new wxBitmap(sz.x, sz.y); + dcm.SelectObject(*m_backBuffer); + + 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) { - v_y = upd.GetY(); - v_h = upd.GetH(); - if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * HTML_SCROLL_STEP + v_y, y * HTML_SCROLL_STEP + v_h + v_y); - 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 + { + 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()); } @@ -433,108 +1087,569 @@ 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::OnMouseMove(wxMouseEvent& WXUNUSED(event)) +{ + wxHtmlWindowMouseHelper::HandleMouseMoved(); +} -void wxHtmlWindow::OnKeyDown(wxKeyEvent& event) +void wxHtmlWindow::OnMouseDown(wxMouseEvent& event) { - int dummy; - int sty, szy, cliy; +#if wxUSE_CLIPBOARD + if ( event.LeftDown() && IsSelectionEnabled() ) + { + const long TRIPLECLICK_LEN = 200; // 0.2 sec after doubleclick + if ( wxGetLocalTimeMillis() - m_lastDoubleClick <= TRIPLECLICK_LEN ) + { + SelectLine(CalcUnscrolledPosition(event.GetPosition())); + + (void) CopySelection(); + } + else + { + m_makingSelection = true; - ViewStart(&dummy, &sty); - GetClientSize(&dummy, &cliy); cliy /= HTML_SCROLL_STEP; - GetVirtualSize(&dummy, &szy); szy /= HTML_SCROLL_STEP; + if ( m_selection ) + { + wxDELETE(m_selection); + Refresh(); + } + m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition()); + m_tmpSelFromCell = NULL; - switch (event.KeyCode()) { - case WXK_PAGEUP : - case WXK_PRIOR : - Scroll(-1, sty - cliy); - break; - case WXK_PAGEDOWN : - case WXK_NEXT : - Scroll(-1, sty + cliy); - break; - case WXK_HOME : - Scroll(-1, 0); - break; - case WXK_END : - Scroll(-1, szy - cliy); - break; - case WXK_UP : - Scroll(-1, sty - 1); - break; - case WXK_DOWN : - Scroll(-1, sty + 1); - break; + CaptureMouse(); + } } +#endif // wxUSE_CLIPBOARD + + // in any case, let the default handler set focus to this window + event.Skip(); } +void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) +{ +#if wxUSE_CLIPBOARD + if ( m_makingSelection ) + { + ReleaseMouse(); + m_makingSelection = false; + + // if m_selection=NULL, the user didn't move the mouse far enough from + // starting point and the mouse up event is part of a click, the user + // is not selecting text: + if ( m_selection ) + { + 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 + wxPoint pos = CalcUnscrolledPosition(event.GetPosition()); + wxHtmlWindowMouseHelper::HandleMouseClick(m_Cell, pos, event); +} -void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event) +#if wxUSE_CLIPBOARD +void wxHtmlWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event)) { - m_tmpMouseMoved = TRUE; + if ( !m_makingSelection ) + return; - if (event.ButtonDown()) { - int sx, sy; - wxPoint pos; - wxString lnk; + // discard the selecting operation + m_makingSelection = false; + wxDELETE(m_selection); + m_tmpSelFromCell = NULL; + Refresh(); +} +#endif // wxUSE_CLIPBOARD - ViewStart(&sx, &sy); sx *= HTML_SCROLL_STEP; sy *= HTML_SCROLL_STEP; - pos = event.GetPosition(); - if (m_Cell) - m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3)); +void wxHtmlWindow::OnInternalIdle() +{ + wxWindow::OnInternalIdle(); + + if (m_Cell != NULL && DidMouseMove()) + { +#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: + + // NB: because we're passing in 'cell' and not 'm_Cell' (so that the + // leaf cell lookup isn't done twice), we need to adjust the + // position for the new root: + wxPoint posInCell(x, y); + if (cell) + posInCell -= cell->GetAbsPos(); + wxHtmlWindowMouseHelper::HandleIdle(cell, posInCell); } } +#if wxUSE_CLIPBOARD +void wxHtmlWindow::StopAutoScrolling() +{ + if ( m_timerAutoScroll ) + { + wxDELETE(m_timerAutoScroll); + } +} +void wxHtmlWindow::OnMouseEnter(wxMouseEvent& event) +{ + StopAutoScrolling(); + event.Skip(); +} -void wxHtmlWindow::OnIdle(wxIdleEvent& event) +void wxHtmlWindow::OnMouseLeave(wxMouseEvent& event) { - static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW); + // 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 - if (m_tmpMouseMoved && (m_Cell != NULL)) { - int sx, sy; - int x, y; - wxString lnk; + //wxFAIL_MSG( _T("can't understand where has mouse gone") ); + + return; + } + } - ViewStart(&sx, &sy); sx *= HTML_SCROLL_STEP; sy *= HTML_SCROLL_STEP; - wxGetMousePosition(&x, &y); - ScreenToClient(&x, &y); - lnk = m_Cell -> GetLink(sx + x, sy + y); + // 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 + } +} - if (lnk == wxEmptyString) { - SetCursor(cur_arrow); - if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar); +void wxHtmlWindow::OnKeyUp(wxKeyEvent& event) +{ + if ( IsSelectionEnabled() && + (event.GetKeyCode() == 'C' && event.CmdDown()) ) + { + wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_COPY, GetId()); + + evt.SetEventObject(this); + + GetEventHandler()->ProcessEvent(evt); + } +} + +void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event)) +{ + (void) CopySelection(); +} + +void wxHtmlWindow::OnClipboardEvent(wxClipboardTextEvent& 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()))); } - else { - SetCursor(cur_hand); - if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar); + } +} + +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(); } - m_tmpMouseMoved = FALSE; } } +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_KEY_DOWN(wxHtmlWindow::OnKeyDown) + 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_MOUSE_CAPTURE_LOST(wxHtmlWindow::OnMouseCaptureLost) + EVT_KEY_UP(wxHtmlWindow::OnKeyUp) + EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy) + EVT_TEXT_COPY(wxID_ANY, wxHtmlWindow::OnClipboardEvent) +#endif // wxUSE_CLIPBOARD END_EVENT_TABLE() +//----------------------------------------------------------------------------- +// wxHtmlWindowInterface implementation in wxHtmlWindow +//----------------------------------------------------------------------------- + +void wxHtmlWindow::SetHTMLWindowTitle(const wxString& title) +{ + OnSetTitle(title); +} +void wxHtmlWindow::OnHTMLLinkClicked(const wxHtmlLinkInfo& link) +{ + OnLinkClicked(link); +} +wxHtmlOpeningStatus wxHtmlWindow::OnHTMLOpeningURL(wxHtmlURLType type, + const wxString& url, + wxString *redirect) const +{ + return OnOpeningURL(type, url, redirect); +} +wxPoint wxHtmlWindow::HTMLCoordsToWindow(wxHtmlCell *WXUNUSED(cell), + const wxPoint& pos) const +{ + return CalcScrolledPosition(pos); +} + +wxWindow* wxHtmlWindow::GetHTMLWindow() +{ + return this; +} + +wxColour wxHtmlWindow::GetHTMLBackgroundColour() const +{ + return GetBackgroundColour(); +} + +void wxHtmlWindow::SetHTMLBackgroundColour(const wxColour& clr) +{ + SetBackgroundColour(clr); +} + +void wxHtmlWindow::SetHTMLBackgroundImage(const wxBitmap& bmpBg) +{ + SetBackgroundImage(bmpBg); +} + +void wxHtmlWindow::SetHTMLStatusText(const wxString& text) +{ +#if wxUSE_STATUSBAR + if (m_RelatedStatusBar != -1) + m_RelatedFrame->SetStatusText(text, m_RelatedStatusBar); +#else + wxUnusedVar(text); +#endif // wxUSE_STATUSBAR +} + +/*static*/ +wxCursor wxHtmlWindow::GetDefaultHTMLCursor(HTMLCursor type) +{ + switch (type) + { + case HTMLCursor_Link: + if ( !ms_cursorLink ) + ms_cursorLink = new wxCursor(wxCURSOR_HAND); + return *ms_cursorLink; + + case HTMLCursor_Text: + if ( !ms_cursorText ) + ms_cursorText = new wxCursor(wxCURSOR_IBEAM); + return *ms_cursorText; + + case HTMLCursor_Default: + default: + return *wxSTANDARD_CURSOR; + } +} + +wxCursor wxHtmlWindow::GetHTMLCursor(HTMLCursor type) const +{ + return GetDefaultHTMLCursor(type); +} + + +//----------------------------------------------------------------------------- +// wxHtmlWinModule +//----------------------------------------------------------------------------- // A module to allow initialization/cleanup // without calling these functions from app.cpp or from @@ -545,25 +1660,16 @@ 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() - -///// default mod handlers are forced there: - -FORCE_LINK(mod_layout) -FORCE_LINK(mod_fonts) -FORCE_LINK(mod_image) -FORCE_LINK(mod_list) -FORCE_LINK(mod_pre) -FORCE_LINK(mod_hline) -FORCE_LINK(mod_links) -FORCE_LINK(mod_tables) - - -#endif +#endif // wxUSE_HTML