X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/39029898248ba8089ce87a1978f1d92af3f6550b..6d41981d894198a4de266d399f0f5cd141f97df6:/src/html/htmlwin.cpp?ds=sidebyside diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index ada2a4d19e..653eec918d 100644 --- a/src/html/htmlwin.cpp +++ b/src/html/htmlwin.cpp @@ -18,7 +18,7 @@ #include "wx/defs.h" #if wxUSE_HTML && wxUSE_STREAMS -#ifdef __BORDLANDC__ +#ifdef __BORLANDC__ #pragma hdrstop #endif @@ -41,7 +41,7 @@ //----------------------------------------------------------------------------- // 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;} @@ -72,8 +72,7 @@ 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; @@ -87,17 +86,30 @@ 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; +} + +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() { HistoryClear(); @@ -143,6 +155,8 @@ bool wxHtmlWindow::SetPage(const wxString& source) { wxString newsrc(source); + wxDELETE(m_selection); + // pass HTML through registered processors: if (m_Processors || m_GlobalProcessors) { @@ -204,13 +218,12 @@ bool wxHtmlWindow::AppendToPage(const wxString& 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)) { @@ -254,14 +267,20 @@ bool wxHtmlWindow::LoadPage(const wxString& location) 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) + { + 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; } @@ -299,7 +318,6 @@ bool wxHtmlWindow::LoadPage(const wxString& location) m_OpenedPage = f->GetLocation(); if (f->GetAnchor() != wxEmptyString) { - wxYield(); ScrollToAnchor(f->GetAnchor()); } @@ -326,11 +344,9 @@ bool wxHtmlWindow::LoadPage(const wxString& location) if (m_OpenedPageTitle == wxEmptyString) OnSetTitle(wxFileNameFromPath(m_OpenedPage)); - SetCursor(*wxSTANDARD_CURSOR); if (needs_refresh) { - wxYield(); m_tmpCanDrawLocks--; Refresh(); } @@ -341,6 +357,12 @@ 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) { @@ -488,7 +510,6 @@ 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(); @@ -519,7 +540,6 @@ 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(); @@ -590,14 +610,12 @@ 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); } @@ -608,17 +626,27 @@ void wxHtmlWindow::AddFilter(wxHtmlFilter *filter) } +bool wxHtmlWindow::IsSelectionEnabled() const +{ +#if wxUSE_CLIPBOARD + return !(m_Style & wxHW_NO_SELECTION); +#else + return false; +#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); @@ -632,23 +660,20 @@ void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell), void wxHtmlWindow::OnDraw(wxDC& dc) { - int x, y; - wxRegionIterator upd(GetUpdateRegion()); // get the update rect list - int v_y, v_h; + if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return; - if (m_tmpCanDrawLocks > 0) return; + int x, y; + wxRect rect = GetUpdateRegion().GetBox(); dc.SetMapMode(wxMM_TEXT); dc.SetBackgroundMode(wxTRANSPARENT); GetViewStart(&x, &y); - 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++; - } + wxHtmlRenderingState rstate(m_selection); + m_Cell->Draw(dc, 0, 0, + y * wxHTML_SCROLL_STEP + rect.GetTop(), + y * wxHTML_SCROLL_STEP + rect.GetBottom(), + rstate); } @@ -662,32 +687,57 @@ void wxHtmlWindow::OnSize(wxSizeEvent& event) } -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 ( event.LeftDown() && IsSelectionEnabled() ) { - if ( m_Cell ) + m_makingSelection = true; + + if ( m_selection ) { - int sx, sy; - GetViewStart(&sx, &sy); - sx *= wxHTML_SCROLL_STEP; - sy *= wxHTML_SCROLL_STEP; + wxDELETE(m_selection); + Refresh(); + } + m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition()); + m_tmpSelFromCell = NULL; - wxPoint pos = event.GetPosition(); - pos.x += sx; - pos.y += sy; + CaptureMouse(); + } +} - wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y); +void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) +{ + if ( m_makingSelection ) + { + ReleaseMouse(); + m_makingSelection = false; - // 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); + // did the user move the mouse far enough from starting point? + if ( m_selection ) + { + // we don't want mouse up event that ended selecting to be + // handled as mouse click and e.g. follow hyperlink: + return; } } + + 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); + } } @@ -702,18 +752,90 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event)) if (m_tmpMouseMoved && (m_Cell != NULL)) { - int sx, sy; - GetViewStart(&sx, &sy); - sx *= wxHTML_SCROLL_STEP; - sy *= wxHTML_SCROLL_STEP; - - int x, y; - wxGetMousePosition(&x, &y); - ScreenToClient(&x, &y); - x += sx; - y += sy; + 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(x, y, + wxHTML_FIND_NEAREST_BEFORE); + if (!m_tmpSelFromCell) + m_tmpSelFromCell = m_Cell->GetFirstTerminal(); + } + else + { + m_tmpSelFromCell = m_Cell->FindCellByPos(x, y, + wxHTML_FIND_NEAREST_AFTER); + if (!m_tmpSelFromCell) + m_tmpSelFromCell = m_Cell->GetLastTerminal(); + } + } + + 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 (goingDown) + { + m_selection->Set(m_tmpSelFromPos, m_tmpSelFromCell, + wxPoint(x,y), selcell); + } + else + { + m_selection->Set(wxPoint(x,y), selcell, + m_tmpSelFromPos, m_tmpSelFromCell); + } + Refresh(); // FIXME - optimize! + } + } + } + + // handle cursor and status bar text changes: if ( cell != m_tmpLastCell ) { wxHtmlLinkInfo *lnk = cell ? cell->GetLink(x, y) : NULL; @@ -754,9 +876,10 @@ IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow) BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow) EVT_SIZE(wxHtmlWindow::OnSize) - EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent) - EVT_RIGHT_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) END_EVENT_TABLE()