X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5ecdc7ab6d10222bcf88610198771b5f3aee10a7..07a84e7bbb3ed346fff59aa3570a1f687a3c4d7b:/src/generic/htmllbox.cpp diff --git a/src/generic/htmllbox.cpp b/src/generic/htmllbox.cpp index d3b96e0353..b104f3c2f5 100644 --- a/src/generic/htmllbox.cpp +++ b/src/generic/htmllbox.cpp @@ -28,6 +28,8 @@ #include "wx/dcclient.h" #endif //WX_PRECOMP +#if wxUSE_HTML + #include "wx/htmllbox.h" #include "wx/html/htmlcell.h" @@ -38,13 +40,33 @@ FORCE_WXHTML_MODULES() // ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +// small border always added to the cells: +static const wxCoord CELL_BORDER = 2; + +// ============================================================================ // private classes +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxHtmlListBoxCache // ---------------------------------------------------------------------------- // this class is used by wxHtmlListBox to cache the parsed representation of // the items to avoid doing it anew each time an item must be drawn class wxHtmlListBoxCache { +private: + // invalidate a single item, used by Clear() and InvalidateRange() + void InvalidateItem(size_t n) + { + m_items[n] = (size_t)-1; + delete m_cells[n]; + m_cells[n] = NULL; + } + public: wxHtmlListBoxCache() { @@ -70,9 +92,7 @@ public: { for ( size_t n = 0; n < SIZE; n++ ) { - m_items[n] = (size_t)-1; - delete m_cells[n]; - m_cells[n] = NULL; + InvalidateItem(n); } } @@ -103,6 +123,18 @@ public: m_next = 0; } + // forget the cached value of the item(s) between the given ones (inclusive) + void InvalidateRange(size_t from, size_t to) + { + for ( size_t n = 0; n < SIZE; n++ ) + { + if ( m_items[n] >= from && m_items[n] <= to ) + { + InvalidateItem(n); + } + } + } + private: // the max number of the items we cache enum { SIZE = 50 }; @@ -117,25 +149,78 @@ private: size_t m_items[SIZE]; }; +// ---------------------------------------------------------------------------- +// wxHtmlListBoxStyle +// ---------------------------------------------------------------------------- + +// just forward wxDefaultHtmlRenderingStyle callbacks to the main class so that +// they could be overridden by the user code +class wxHtmlListBoxStyle : public wxDefaultHtmlRenderingStyle +{ +public: + wxHtmlListBoxStyle(const wxHtmlListBox& hlbox) : m_hlbox(hlbox) { } + + virtual wxColour GetSelectedTextColour(const wxColour& colFg) + { + return m_hlbox.GetSelectedTextColour(colFg); + } + + virtual wxColour GetSelectedTextBgColour(const wxColour& colBg) + { + return m_hlbox.GetSelectedTextBgColour(colBg); + } + +private: + const wxHtmlListBox& m_hlbox; + + 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() // ============================================================================ // implementation // ============================================================================ +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; + m_htmlRendStyle = new wxHtmlListBoxStyle(*this); m_cache = new wxHtmlListBoxCache; } @@ -143,21 +228,39 @@ bool wxHtmlListBox::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, - size_t countItems, long style, const wxString& name) { - return wxVListBox::Create(parent, id, pos, size, countItems, style, name); + return wxVListBox::Create(parent, id, pos, size, style, name); } wxHtmlListBox::~wxHtmlListBox() { delete m_cache; + if ( m_htmlParser ) { delete m_htmlParser->GetDC(); delete m_htmlParser; } + + delete m_htmlRendStyle; +} + +// ---------------------------------------------------------------------------- +// wxHtmlListBox appearance +// ---------------------------------------------------------------------------- + +wxColour wxHtmlListBox::GetSelectedTextColour(const wxColour& colFg) const +{ + return m_htmlRendStyle-> + wxDefaultHtmlRenderingStyle::GetSelectedTextColour(colFg); +} + +wxColour +wxHtmlListBox::GetSelectedTextBgColour(const wxColour& WXUNUSED(colBg)) const +{ + return GetSelectionBackground(); } // ---------------------------------------------------------------------------- @@ -184,14 +287,22 @@ 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); + + // use system's default GUI font by default: + m_htmlParser->SetStandardFonts(); } wxHtmlContainerCell *cell = (wxHtmlContainerCell *)m_htmlParser-> 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); @@ -206,6 +317,20 @@ void wxHtmlListBox::OnSize(wxSizeEvent& event) event.Skip(); } +void wxHtmlListBox::RefreshLine(size_t line) +{ + m_cache->InvalidateRange(line, line); + + wxVListBox::RefreshLine(line); +} + +void wxHtmlListBox::RefreshLines(size_t from, size_t to) +{ + m_cache->InvalidateRange(from, to); + + wxVListBox::RefreshLines(from, to); +} + void wxHtmlListBox::RefreshAll() { m_cache->Clear(); @@ -213,6 +338,14 @@ void wxHtmlListBox::RefreshAll() wxVListBox::RefreshAll(); } +void wxHtmlListBox::SetItemCount(size_t count) +{ + // the items are going to change, forget the old ones + m_cache->Clear(); + + wxVListBox::SetItemCount(count); +} + // ---------------------------------------------------------------------------- // wxHtmlListBox implementation of wxVListBox pure virtuals // ---------------------------------------------------------------------------- @@ -224,21 +357,25 @@ void wxHtmlListBox::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const wxHtmlCell *cell = m_cache->Get(n); wxCHECK_RET( cell, _T("this cell should be cached!") ); - wxHtmlRenderingState htmlRendState; + wxHtmlRenderingInfo htmlRendInfo; // draw the selected cell in selected state if ( IsSelected(n) ) { wxHtmlSelection htmlSel; - htmlSel.Set(wxPoint(0, 0), cell, wxPoint(INT_MAX, INT_MAX), cell); - htmlRendState.SetSelection(&htmlSel); - htmlRendState.SetSelectionState(wxHTML_SEL_IN); + htmlSel.Set(wxPoint(0,0), cell, wxPoint(INT_MAX, INT_MAX), cell); + htmlRendInfo.SetSelection(&htmlSel); + if ( m_htmlRendStyle ) + htmlRendInfo.SetStyle(m_htmlRendStyle); + htmlRendInfo.GetState().SetSelectionState(wxHTML_SEL_IN); } // 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, rect.y, 0, INT_MAX, htmlRendState); + cell->Draw(dc, + rect.x + CELL_BORDER, rect.y + CELL_BORDER, + 0, INT_MAX, htmlRendInfo); } wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const @@ -248,6 +385,160 @@ wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const wxHtmlCell *cell = m_cache->Get(n); wxCHECK_MSG( cell, 0, _T("this cell should be cached!") ); - return cell->GetHeight() + cell->GetDescent(); + return cell->GetHeight() + cell->GetDescent() + 4; +} + +// ---------------------------------------------------------------------------- +// 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