void wxHtmlWindow::Init()
{
- m_tmpMouseMoved = FALSE;
+ m_tmpMouseMoved = false;
m_tmpLastLink = NULL;
m_tmpLastCell = NULL;
m_tmpCanDrawLocks = 0;
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;
m_lastDoubleClick = 0;
#endif // wxUSE_CLIPBOARD
m_backBuffer = NULL;
+ m_eraseBgInOnPaint = false;
}
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("<html><body></body></html>"));
- return TRUE;
+ return true;
}
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)
CreateLayout();
if (m_tmpCanDrawLocks == 0)
Refresh();
- return TRUE;
+ return true;
}
bool wxHtmlWindow::AppendToPage(const wxString& source)
wxFSFile *f;
bool rt_val;
- bool needs_refresh = FALSE;
+ bool needs_refresh = false;
m_tmpCanDrawLocks++;
if (m_HistoryOn && (m_HistoryPos != -1))
delete f;
#if wxUSE_STATUSBAR
- if (m_RelatedStatusBar != -1)
+ if (m_RelatedStatusBar != -1)
m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
#endif // wxUSE_STATUSBAR
}
if (!c)
{
wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str());
- return FALSE;
+ return false;
}
else
{
for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();
Scroll(-1, y / wxHTML_SCROLL_STEP);
m_OpenedAnchor = anchor;
- return TRUE;
+ return true;
}
}
{
wxString a, l;
- if (m_HistoryPos < 1) return FALSE;
+ if (m_HistoryPos < 1) return false;
// store scroll position into history item:
int x, y;
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 ;
}
{
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 ;
}
// 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);
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);
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;
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)
after->GetWidth()-4,after->GetHeight()-4);
}
#endif
-
+
dcm.SetDeviceOrigin(0,0);
dc.Blit(0, rect.GetTop(),
sz.x, rect.GetBottom() - rect.GetTop() + 1,
void wxHtmlWindow::OnInternalIdle()
{
wxWindow::OnInternalIdle();
-
+
if (m_tmpMouseMoved && (m_Cell != NULL))
{
#ifdef DEBUG_HTML_SELECTION
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.
dirFromPos.y += m_tmpSelFromCell->GetHeight();
}
}
- bool goingDown = dirFromPos.y < y ||
+ bool goingDown = dirFromPos.y < y ||
(dirFromPos.y == y && dirFromPos.x < x);
// determine selection span:
OnCellMouseHover(cell, x, y);
}
- m_tmpMouseMoved = FALSE;
+ m_tmpMouseMoved = false;
}
}
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
DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
public:
wxHtmlWinModule() : wxModule() {}
- bool OnInit() { return TRUE; }
+ bool OnInit() { return true; }
void OnExit() { wxHtmlWindow::CleanUpStatics(); }
};
projects / wxWidgets.git / blobdiff