X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/689c48297e0761c02cbaa6836f902d31ccbd50d0..cc9a39576ab6edb139c9bb77d01f4118853e04d2:/src/html/htmlwin.cpp diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index 5f249c1888..c89834231e 100644 --- a/src/html/htmlwin.cpp +++ b/src/html/htmlwin.cpp @@ -4,7 +4,7 @@ // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -36,12 +36,12 @@ #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 @@ -153,12 +153,14 @@ WX_DEFINE_LIST(wxHtmlProcessorList); 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; @@ -166,7 +168,7 @@ void wxHtmlWindow::Init() m_Parser = new wxHtmlWinParser(this); m_Parser->SetFS(m_FS); m_HistoryPos = -1; - m_HistoryOn = TRUE; + m_HistoryOn = true; m_History = new wxHtmlHistoryArray; m_Processors = NULL; m_Style = 0; @@ -185,12 +187,13 @@ bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id, long style, const wxString& name) { if (!wxScrolledWindow::Create(parent, id, pos, size, - style | wxVSCROLL | wxHSCROLL, name)) - return FALSE; + style | wxVSCROLL | wxHSCROLL, + name)) + return false; m_Style = style; SetPage(wxT("")); - return TRUE; + return true; } @@ -227,10 +230,12 @@ void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format) +#if wxUSE_STATUSBAR void wxHtmlWindow::SetRelatedStatusBar(int bar) { m_RelatedStatusBar = bar; } +#endif // wxUSE_STATUSBAR @@ -241,9 +246,22 @@ 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) @@ -303,7 +321,7 @@ bool wxHtmlWindow::SetPage(const wxString& source) CreateLayout(); if (m_tmpCanDrawLocks == 0) Refresh(); - return TRUE; + return true; } bool wxHtmlWindow::AppendToPage(const wxString& source) @@ -317,7 +335,7 @@ bool wxHtmlWindow::LoadPage(const wxString& location) wxFSFile *f; bool rt_val; - bool needs_refresh = FALSE; + bool needs_refresh = false; m_tmpCanDrawLocks++; if (m_HistoryOn && (m_HistoryPos != -1)) @@ -354,13 +372,15 @@ 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_Parser->OpenURL(wxHTML_URL_PAGE, location); @@ -376,7 +396,7 @@ bool wxHtmlWindow::LoadPage(const wxString& location) { wxLogError(_("Unable to open requested HTML document: %s"), location.c_str()); m_tmpCanDrawLocks--; - return FALSE; + return false; } else @@ -384,12 +404,14 @@ bool wxHtmlWindow::LoadPage(const wxString& location) 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) @@ -418,7 +440,10 @@ bool wxHtmlWindow::LoadPage(const wxString& location) 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 } } @@ -465,7 +490,7 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) if (!c) { wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str()); - return FALSE; + return false; } else { @@ -474,7 +499,7 @@ 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; } } @@ -588,7 +613,7 @@ 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; @@ -600,21 +625,21 @@ 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; + 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 ; } @@ -622,30 +647,30 @@ 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; + 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 ; } @@ -727,19 +752,19 @@ bool wxHtmlWindow::IsSelectionEnabled() const #if wxUSE_CLIPBOARD -wxString wxHtmlWindow::SelectionToText() +wxString wxHtmlWindow::DoSelectionToText(wxHtmlSelection *sel) { - if ( !m_selection ) + if ( !sel ) return wxEmptyString; wxClientDC dc(this); - const wxHtmlCell *end = m_selection->GetToCell(); + const wxHtmlCell *end = sel->GetToCell(); wxString text; - wxHtmlTerminalCellsInterator i(m_selection->GetFromCell(), end); + wxHtmlTerminalCellsInterator i(sel->GetFromCell(), end); if ( i ) { - text << i->ConvertToText(m_selection); + text << i->ConvertToText(sel); ++i; } const wxHtmlCell *prev = *i; @@ -747,16 +772,28 @@ wxString wxHtmlWindow::SelectionToText() { if ( prev->GetParent() != i->GetParent() ) text << _T('\n'); - text << i->ConvertToText(*i == end ? m_selection : NULL); + 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 -void wxHtmlWindow::CopySelection(ClipboardType t) +bool wxHtmlWindow::CopySelection(ClipboardType t) { #if wxUSE_CLIPBOARD if ( m_selection ) @@ -769,7 +806,7 @@ void wxHtmlWindow::CopySelection(ClipboardType t) // // TODO: this should be abstracted at wxClipboard level! if ( t == Primary ) - return; + return false; #endif // __UNIX__/!__UNIX__ if ( wxTheClipboard->Open() ) @@ -779,9 +816,13 @@ void wxHtmlWindow::CopySelection(ClipboardType t) wxTheClipboard->Close(); wxLogTrace(_T("wxhtmlselection"), _("Copied to clipboard:\"%s\""), txt.c_str()); + + return true; } } #endif // wxUSE_CLIPBOARD + + return false; } @@ -807,8 +848,13 @@ void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell), // do nothing here } -void wxHtmlWindow::OnEraseBackground(wxEraseEvent& WXUNUSED(event)) +void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event) { + // we do have to erase background now that we reuse it (instead of + // overwriting it) in OnPaint() below, but maybe we should set some flag if + // we get here as this would mean that user code doesn't paint background + // itself and then we wouldn't have to copy old bits to dcm below... + event.Skip(); } void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) @@ -826,9 +872,16 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) if ( !m_backBuffer ) m_backBuffer = new wxBitmap(sz.x, sz.y); dcm.SelectObject(*m_backBuffer); - dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID)); - dcm.Clear(); PrepareDC(dcm); + + // 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()); + dcm.SetMapMode(wxMM_TEXT); dcm.SetBackgroundMode(wxTRANSPARENT); @@ -840,8 +893,8 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) y * wxHTML_SCROLL_STEP + rect.GetTop(), y * wxHTML_SCROLL_STEP + rect.GetBottom(), rinfo); - -//#define DEBUG_HTML_SELECTION + +//#define DEBUG_HTML_SELECTION #ifdef DEBUG_HTML_SELECTION { int xc, yc, x, y; @@ -849,11 +902,11 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) ScreenToClient(&xc, &yc); CalcUnscrolledPosition(xc, yc, &x, &y); wxHtmlCell *at = m_Cell->FindCellByPos(x, y); - wxHtmlCell *before = + wxHtmlCell *before = m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_BEFORE); - wxHtmlCell *after = + wxHtmlCell *after = m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_AFTER); - + dcm.SetBrush(*wxTRANSPARENT_BRUSH); dcm.SetPen(*wxBLACK_PEN); if (at) @@ -869,7 +922,7 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) after->GetWidth()-4,after->GetHeight()-4); } #endif - + dcm.SetDeviceOrigin(0,0); dc.Blit(0, rect.GetTop(), sz.x, rect.GetBottom() - rect.GetTop() + 1, @@ -914,7 +967,7 @@ void wxHtmlWindow::OnMouseDown(wxMouseEvent& event) { SelectLine(CalcUnscrolledPosition(event.GetPosition())); - CopySelection(); + (void) CopySelection(); } else { @@ -943,10 +996,8 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) m_makingSelection = false; // did the user move the mouse far enough from starting point? - if ( m_selection ) + if ( CopySelection(Primary) ) { - CopySelection(Primary); - // we don't want mouse up event that ended selecting to be // handled as mouse click and e.g. follow hyperlink: return; @@ -973,7 +1024,7 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) void wxHtmlWindow::OnInternalIdle() { wxWindow::OnInternalIdle(); - + if (m_tmpMouseMoved && (m_Cell != NULL)) { #ifdef DEBUG_HTML_SELECTION @@ -992,7 +1043,7 @@ void wxHtmlWindow::OnInternalIdle() 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. @@ -1014,7 +1065,7 @@ void wxHtmlWindow::OnInternalIdle() dirFromPos.y += m_tmpSelFromCell->GetHeight(); } } - bool goingDown = dirFromPos.y < y || + bool goingDown = dirFromPos.y < y || (dirFromPos.y == y && dirFromPos.x < x); // determine selection span: @@ -1103,6 +1154,7 @@ void wxHtmlWindow::OnInternalIdle() if (lnk != m_tmpLastLink) { +#if wxUSE_STATUSBAR if (lnk == NULL) { if (m_RelatedStatusBar != -1) @@ -1115,6 +1167,7 @@ void wxHtmlWindow::OnInternalIdle() m_RelatedFrame->SetStatusText(lnk->GetHref(), m_RelatedStatusBar); } +#endif // wxUSE_STATUSBAR m_tmpLastLink = lnk; } @@ -1126,7 +1179,7 @@ void wxHtmlWindow::OnInternalIdle() OnCellMouseHover(cell, x, y); } - m_tmpMouseMoved = FALSE; + m_tmpMouseMoved = false; } } @@ -1215,15 +1268,13 @@ void wxHtmlWindow::OnKeyUp(wxKeyEvent& event) if ( IsSelectionEnabled() && event.GetKeyCode() == 'C' && event.ControlDown() ) { - if ( m_selection ) - CopySelection(); + (void) CopySelection(); } } void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event)) { - if ( m_selection ) - CopySelection(); + (void) CopySelection(); } void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event) @@ -1233,7 +1284,7 @@ void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event) { SelectWord(CalcUnscrolledPosition(event.GetPosition())); - CopySelection(Primary); + (void) CopySelection(Primary); m_lastDoubleClick = wxGetLocalTimeMillis(); } @@ -1243,69 +1294,87 @@ void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event) void wxHtmlWindow::SelectWord(const wxPoint& pos) { - wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y); - if ( cell ) + if ( m_Cell ) { - delete m_selection; - m_selection = new wxHtmlSelection(); - m_selection->Set(cell, cell); - RefreshRect(wxRect(CalcScrolledPosition(cell->GetAbsPos()), - wxSize(cell->GetWidth(), cell->GetHeight()))); + 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 ) + if ( m_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()) + wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y); + if ( cell ) { - y = c->GetAbsPos().y; - if ( y + c->GetHeight() > y1 && y < y2 ) - after = c; - else - break; - } - if ( !after ) - after = 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 ) + // find first cell of line: + for ( c = cell->GetParent()->GetFirstChild(); + c && c != cell; c = c->GetNext()) { - if ( ! before ) - before = c; + y = c->GetAbsPos().y; + if ( y + c->GetHeight() > y1 && y < y2 ) + { + if ( ! before ) + before = c; + } + else + before = NULL; } - else - before = NULL; + if ( !before ) + before = cell; + + delete m_selection; + m_selection = new wxHtmlSelection(); + m_selection->Set(before, after); + + Refresh(); } - if ( !before ) - before = cell; + } +} +void wxHtmlWindow::SelectAll() +{ + if ( m_Cell ) + { delete m_selection; m_selection = new wxHtmlSelection(); - m_selection->Set(before, after); - + m_selection->Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal()); Refresh(); } } + #endif // wxUSE_CLIPBOARD @@ -1317,18 +1386,18 @@ 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 + 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 ) +wxCONSTRUCTOR_5( wxHtmlWindow , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) #else IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow) #endif @@ -1363,7 +1432,7 @@ class wxHtmlWinModule: public wxModule DECLARE_DYNAMIC_CLASS(wxHtmlWinModule) public: wxHtmlWinModule() : wxModule() {} - bool OnInit() { return TRUE; } + bool OnInit() { return true; } void OnExit() { wxHtmlWindow::CleanUpStatics(); } };