X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/67a9999283b942053259fa418fe994eab8dd0b3b..3b6e5fb3f58f881d70dda6531f9c8372231a59cf:/src/html/htmlwin.cpp diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index eb97f6d3d9..69ced30b42 100644 --- a/src/html/htmlwin.cpp +++ b/src/html/htmlwin.cpp @@ -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 @@ -153,7 +153,7 @@ WX_DEFINE_LIST(wxHtmlProcessorList); void wxHtmlWindow::Init() { - m_tmpMouseMoved = FALSE; + m_tmpMouseMoved = false; m_tmpLastLink = NULL; m_tmpLastCell = NULL; m_tmpCanDrawLocks = 0; @@ -168,7 +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; @@ -180,6 +180,8 @@ void wxHtmlWindow::Init() m_lastDoubleClick = 0; #endif // wxUSE_CLIPBOARD m_backBuffer = NULL; + m_eraseBgInOnPaint = false; + m_tmpSelFromCell = NULL; } bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id, @@ -189,11 +191,11 @@ bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id, if (!wxScrolledWindow::Create(parent, id, pos, size, style | wxVSCROLL | wxHSCROLL, name)) - return FALSE; + return false; m_Style = style; SetPage(wxT("")); - return TRUE; + return true; } @@ -246,9 +248,22 @@ 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) @@ -257,6 +272,9 @@ bool wxHtmlWindow::SetPage(const wxString& 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) { @@ -294,6 +312,7 @@ bool wxHtmlWindow::SetPage(const wxString& source) wxClientDC *dc = new wxClientDC(this); dc->SetMapMode(wxMM_TEXT); SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF)); + SetBackgroundImage(wxNullBitmap); m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; m_Parser->SetDC(dc); if (m_Cell) @@ -308,7 +327,7 @@ bool wxHtmlWindow::SetPage(const wxString& source) CreateLayout(); if (m_tmpCanDrawLocks == 0) Refresh(); - return TRUE; + return true; } bool wxHtmlWindow::AppendToPage(const wxString& source) @@ -322,7 +341,7 @@ 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)) @@ -428,7 +447,7 @@ bool wxHtmlWindow::LoadPage(const wxString& location) delete f; #if wxUSE_STATUSBAR - if (m_RelatedStatusBar != -1) + if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar); #endif // wxUSE_STATUSBAR } @@ -477,7 +496,7 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) if (!c) { wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str()); - return FALSE; + return false; } else { @@ -486,7 +505,7 @@ 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; } } @@ -600,7 +619,7 @@ 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; @@ -612,21 +631,21 @@ 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 ; } @@ -634,30 +653,30 @@ 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 ; } @@ -835,15 +854,47 @@ void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell), // do nothing here } -void wxHtmlWindow::OnEraseBackground(wxEraseEvent& WXUNUSED(event)) +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::OnPaint(wxPaintEvent& WXUNUSED(event)) { wxPaintDC dc(this); - if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return; + if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) + return; int x, y; GetViewStart(&x, &y); @@ -854,8 +905,25 @@ 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(); + + 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()); + } + PrepareDC(dcm); dcm.SetMapMode(wxMM_TEXT); dcm.SetBackgroundMode(wxTRANSPARENT); @@ -868,8 +936,8 @@ 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; @@ -877,11 +945,11 @@ 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) @@ -897,7 +965,7 @@ 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, @@ -999,7 +1067,7 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) void wxHtmlWindow::OnInternalIdle() { wxWindow::OnInternalIdle(); - + if (m_tmpMouseMoved && (m_Cell != NULL)) { #ifdef DEBUG_HTML_SELECTION @@ -1018,7 +1086,7 @@ 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. @@ -1040,7 +1108,7 @@ 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: @@ -1154,7 +1222,7 @@ void wxHtmlWindow::OnInternalIdle() OnCellMouseHover(cell, x, y); } - m_tmpMouseMoved = FALSE; + m_tmpMouseMoved = false; } } @@ -1361,18 +1429,18 @@ 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 @@ -1407,7 +1475,7 @@ class wxHtmlWinModule: public wxModule DECLARE_DYNAMIC_CLASS(wxHtmlWinModule) public: wxHtmlWinModule() : wxModule() {} - bool OnInit() { return TRUE; } + bool OnInit() { return true; } void OnExit() { wxHtmlWindow::CleanUpStatics(); } };