X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2997ca30d66c2dc778ed9a84c8c94fea6ec1c958..1cd9779fce63b081d875de7a901c8eb6120d0b8a:/src/generic/htmllbox.cpp?ds=sidebyside diff --git a/src/generic/htmllbox.cpp b/src/generic/htmllbox.cpp index 3b78664fd0..b104f3c2f5 100644 --- a/src/generic/htmllbox.cpp +++ b/src/generic/htmllbox.cpp @@ -39,6 +39,13 @@ #include "wx/html/forcelnk.h" FORCE_WXHTML_MODULES() +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +// small border always added to the cells: +static const wxCoord CELL_BORDER = 2; + // ============================================================================ // private classes // ============================================================================ @@ -151,7 +158,7 @@ private: class wxHtmlListBoxStyle : public wxDefaultHtmlRenderingStyle { public: - wxHtmlListBoxStyle(wxHtmlListBox& hlbox) : m_hlbox(hlbox) { } + wxHtmlListBoxStyle(const wxHtmlListBox& hlbox) : m_hlbox(hlbox) { } virtual wxColour GetSelectedTextColour(const wxColour& colFg) { @@ -169,13 +176,14 @@ private: DECLARE_NO_COPY_CLASS(wxHtmlListBoxStyle) }; - // ---------------------------------------------------------------------------- // event tables // ---------------------------------------------------------------------------- BEGIN_EVENT_TABLE(wxHtmlListBox, wxVListBox) EVT_SIZE(wxHtmlListBox::OnSize) + EVT_MOTION(wxHtmlListBox::OnMouseMove) + EVT_LEFT_DOWN(wxHtmlListBox::OnLeftDown) END_EVENT_TABLE() // ============================================================================ @@ -189,6 +197,26 @@ IMPLEMENT_ABSTRACT_CLASS(wxHtmlListBox, wxVListBox) // wxHtmlListBox creation // ---------------------------------------------------------------------------- +wxHtmlListBox::wxHtmlListBox() + : wxHtmlWindowMouseHelper(this) +{ + Init(); +} + +// normal constructor which calls Create() internally +wxHtmlListBox::wxHtmlListBox(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) + : wxHtmlWindowMouseHelper(this) +{ + Init(); + + (void)Create(parent, id, pos, size, style, name); +} + void wxHtmlListBox::Init() { m_htmlParser = NULL; @@ -259,7 +287,7 @@ void wxHtmlListBox::CacheItem(size_t n) const { wxHtmlListBox *self = wxConstCast(this, wxHtmlListBox); - self->m_htmlParser = new wxHtmlWinParser; + self->m_htmlParser = new wxHtmlWinParser(self); m_htmlParser->SetDC(new wxClientDC(self)); m_htmlParser->SetFS(&self->m_filesystem); @@ -271,6 +299,10 @@ void wxHtmlListBox::CacheItem(size_t n) const Parse(OnGetItemMarkup(n)); wxCHECK_RET( cell, _T("wxHtmlParser::Parse() returned NULL?") ); + // set the cell's ID to item's index so that CellCoordsToPhysical() + // can quickly find the item: + cell->SetId(wxString::Format(_T("%lu"), (unsigned long)n)); + cell->Layout(GetClientSize().x - 2*GetMargins().x); m_cache->Store(n, cell); @@ -331,7 +363,7 @@ void wxHtmlListBox::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const if ( IsSelected(n) ) { wxHtmlSelection htmlSel; - htmlSel.Set(wxPoint(), cell, wxPoint(INT_MAX, INT_MAX), cell); + htmlSel.Set(wxPoint(0,0), cell, wxPoint(INT_MAX, INT_MAX), cell); htmlRendInfo.SetSelection(&htmlSel); if ( m_htmlRendStyle ) htmlRendInfo.SetStyle(m_htmlRendStyle); @@ -341,7 +373,9 @@ void wxHtmlListBox::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const // note that we can't stop drawing exactly at the window boundary as then // even the visible cells part could be not drawn, so always draw the // entire cell - cell->Draw(dc, rect.x+2, rect.y+2, 0, INT_MAX, htmlRendInfo); + cell->Draw(dc, + rect.x + CELL_BORDER, rect.y + CELL_BORDER, + 0, INT_MAX, htmlRendInfo); } wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const @@ -354,5 +388,157 @@ wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const return cell->GetHeight() + cell->GetDescent() + 4; } -#endif // wxUSE_HTML +// ---------------------------------------------------------------------------- +// wxHtmlListBox implementation of wxHtmlListBoxWinInterface +// ---------------------------------------------------------------------------- + +void wxHtmlListBox::SetHTMLWindowTitle(const wxString& WXUNUSED(title)) +{ + // nothing to do +} + +void wxHtmlListBox::OnHTMLLinkClicked(const wxHtmlLinkInfo& link) +{ + OnLinkClicked(GetItemForCell(link.GetHtmlCell()), link); +} + +wxHtmlOpeningStatus +wxHtmlListBox::OnHTMLOpeningURL(wxHtmlURLType WXUNUSED(type), + const wxString& WXUNUSED(url), + wxString *WXUNUSED(redirect)) const +{ + return wxHTML_OPEN; +} + +wxPoint wxHtmlListBox::HTMLCoordsToWindow(wxHtmlCell *cell, + const wxPoint& pos) const +{ + return CellCoordsToPhysical(pos, cell); +} + +wxWindow* wxHtmlListBox::GetHTMLWindow() { return this; } + +wxColour wxHtmlListBox::GetHTMLBackgroundColour() const +{ + return GetBackgroundColour(); +} + +void wxHtmlListBox::SetHTMLBackgroundColour(const wxColour& WXUNUSED(clr)) +{ + // nothing to do +} + +void wxHtmlListBox::SetHTMLBackgroundImage(const wxBitmap& WXUNUSED(bmpBg)) +{ + // nothing to do +} + +void wxHtmlListBox::SetHTMLStatusText(const wxString& WXUNUSED(text)) +{ + // nothing to do +} + +wxCursor wxHtmlListBox::GetHTMLCursor(HTMLCursor type) const +{ + // we don't want to show text selection cursor in listboxes + if (type == HTMLCursor_Text) + return wxHtmlWindow::GetDefaultHTMLCursor(HTMLCursor_Default); + + // in all other cases, use the same cursor as wxHtmlWindow: + return wxHtmlWindow::GetDefaultHTMLCursor(type); +} + +// ---------------------------------------------------------------------------- +// wxHtmlListBox handling of HTML links +// ---------------------------------------------------------------------------- + +wxPoint wxHtmlListBox::GetRootCellCoords(size_t n) const +{ + wxPoint pos(CELL_BORDER, CELL_BORDER); + pos += GetMargins(); + pos.y += GetLinesHeight(GetFirstVisibleLine(), n); + return pos; +} + +bool wxHtmlListBox::PhysicalCoordsToCell(wxPoint& pos, wxHtmlCell*& cell) const +{ + int n = HitTest(pos); + if ( n == wxNOT_FOUND ) + return false; + + // convert mouse coordinates to coords relative to item's wxHtmlCell: + pos -= GetRootCellCoords(n); + + CacheItem(n); + cell = m_cache->Get(n); + + return true; +} + +size_t wxHtmlListBox::GetItemForCell(const wxHtmlCell *cell) const +{ + wxCHECK_MSG( cell, 0, _T("no cell") ); + + cell = cell->GetRootCell(); + + wxCHECK_MSG( cell, 0, _T("no root cell") ); + + // the cell's ID contains item index, see CacheItem(): + unsigned long n; + if ( !cell->GetId().ToULong(&n) ) + { + wxFAIL_MSG( _T("unexpected root cell's ID") ); + return 0; + } + + return n; +} + +wxPoint +wxHtmlListBox::CellCoordsToPhysical(const wxPoint& pos, wxHtmlCell *cell) const +{ + return pos + GetRootCellCoords(GetItemForCell(cell)); +} + +void wxHtmlListBox::OnInternalIdle() +{ + wxVListBox::OnInternalIdle(); + + if ( wxHtmlWindowMouseHelper::DidMouseMove() ) + { + wxPoint pos = ScreenToClient(wxGetMousePosition()); + wxHtmlCell *cell; + + if ( !PhysicalCoordsToCell(pos, cell) ) + return; + wxHtmlWindowMouseHelper::HandleIdle(cell, pos); + } +} + +void wxHtmlListBox::OnMouseMove(wxMouseEvent& event) +{ + wxHtmlWindowMouseHelper::HandleMouseMoved(); + event.Skip(); +} + +void wxHtmlListBox::OnLeftDown(wxMouseEvent& event) +{ + wxPoint pos = event.GetPosition(); + wxHtmlCell *cell; + + if ( !PhysicalCoordsToCell(pos, cell) ) + { + event.Skip(); + return; + } + + if ( !wxHtmlWindowMouseHelper::HandleMouseClick(cell, pos, event) ) + { + // no link was clicked, so let the listbox code handle the click (e.g. + // by selecting another item in the list): + event.Skip(); + } +} + +#endif // wxUSE_HTML