X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/041254895c4b27b1d6b44ed80f78a8109a03c9c8..3a1ec1d5dcd568d25f440f5c70ae853045cffdb1:/src/generic/vlbox.cpp diff --git a/src/generic/vlbox.cpp b/src/generic/vlbox.cpp index 6879d41cbe..a4be49817c 100644 --- a/src/generic/vlbox.cpp +++ b/src/generic/vlbox.cpp @@ -6,7 +6,7 @@ // Created: 31.05.03 // RCS-ID: $Id$ // Copyright: (c) 2003 Vadim Zeitlin -// License: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -51,6 +51,8 @@ BEGIN_EVENT_TABLE(wxVListBox, wxVScrolledWindow) EVT_SET_FOCUS(wxVListBox::OnSetOrKillFocus) EVT_KILL_FOCUS(wxVListBox::OnSetOrKillFocus) + + EVT_SIZE(wxVListBox::OnSize) END_EVENT_TABLE() // ============================================================================ @@ -58,6 +60,7 @@ END_EVENT_TABLE() // ============================================================================ IMPLEMENT_ABSTRACT_CLASS(wxVListBox, wxVScrolledWindow) +const char wxVListBoxNameStr[] = "wxVListBox"; // ---------------------------------------------------------------------------- // wxVListBox creation @@ -77,6 +80,11 @@ bool wxVListBox::Create(wxWindow *parent, long style, const wxString& name) { +#ifdef __WXMSW__ + if ( (style & wxBORDER_MASK) == wxDEFAULT ) + style |= wxBORDER_THEME; +#endif + style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE; if ( !wxVScrolledWindow::Create(parent, id, pos, size, style, name) ) return false; @@ -105,13 +113,17 @@ wxVListBox::~wxVListBox() void wxVListBox::SetItemCount(size_t count) { + // don't leave the current index invalid + if ( m_current != wxNOT_FOUND && (size_t)m_current >= count ) + m_current = count - 1; // also ok when count == 0 as wxNOT_FOUND == -1 + if ( m_selStore ) { // tell the selection store that our number of items has changed m_selStore->SetItemCount(count); } - SetLineCount(count); + SetRowCount(count); } // ---------------------------------------------------------------------------- @@ -126,16 +138,16 @@ bool wxVListBox::IsSelected(size_t line) const bool wxVListBox::Select(size_t item, bool select) { wxCHECK_MSG( m_selStore, false, - _T("Select() may only be used with multiselection listbox") ); + wxT("Select() may only be used with multiselection listbox") ); wxCHECK_MSG( item < GetItemCount(), false, - _T("Select(): invalid item index") ); + wxT("Select(): invalid item index") ); bool changed = m_selStore->SelectItem(item, select); if ( changed ) { // selection really changed - RefreshLine(item); + RefreshRow(item); } DoSetCurrent(item); @@ -146,7 +158,7 @@ bool wxVListBox::Select(size_t item, bool select) bool wxVListBox::SelectRange(size_t from, size_t to) { wxCHECK_MSG( m_selStore, false, - _T("SelectRange() may only be used with multiselection listbox") ); + wxT("SelectRange() may only be used with multiselection listbox") ); // make sure items are in correct order if ( from > to ) @@ -157,14 +169,14 @@ bool wxVListBox::SelectRange(size_t from, size_t to) } wxCHECK_MSG( to < GetItemCount(), false, - _T("SelectRange(): invalid item index") ); + wxT("SelectRange(): invalid item index") ); wxArrayInt changed; if ( !m_selStore->SelectRange(from, to, true, &changed) ) { // too many items have changed, we didn't record them in changed array // so we have no choice but to refresh everything between from and to - RefreshLines(from, to); + RefreshRows(from, to); } else // we've got the indices of the changed items { @@ -178,7 +190,7 @@ bool wxVListBox::SelectRange(size_t from, size_t to) // refresh just the lines which have really changed for ( size_t n = 0; n < count; n++ ) { - RefreshLine(changed[n]); + RefreshRow(changed[n]); } } @@ -189,7 +201,7 @@ bool wxVListBox::SelectRange(size_t from, size_t to) bool wxVListBox::DoSelectAll(bool select) { wxCHECK_MSG( m_selStore, false, - _T("SelectAll may only be used with multiselection listbox") ); + wxT("SelectAll may only be used with multiselection listbox") ); size_t count = GetItemCount(); if ( count ) @@ -212,7 +224,7 @@ bool wxVListBox::DoSetCurrent(int current) { wxASSERT_MSG( current == wxNOT_FOUND || (current >= 0 && (size_t)current < GetItemCount()), - _T("wxVListBox::DoSetCurrent(): invalid item index") ); + wxT("wxVListBox::DoSetCurrent(): invalid item index") ); if ( current == m_current ) { @@ -221,7 +233,7 @@ bool wxVListBox::DoSetCurrent(int current) } if ( m_current != wxNOT_FOUND ) - RefreshLine(m_current); + RefreshRow(m_current); m_current = current; @@ -231,33 +243,40 @@ bool wxVListBox::DoSetCurrent(int current) // don't need to refresh it -- it will be redrawn anyhow if ( !IsVisible(m_current) ) { - ScrollToLine(m_current); + ScrollToRow(m_current); } else // line is at least partly visible { // it is, indeed, only partly visible, so scroll it into view to // make it entirely visible - while ( (size_t)m_current == GetLastVisibleLine() && - ScrollToLine(GetVisibleBegin()+1) ) ; + // BUT scrolling down when m_current is first visible makes it + // completely hidden, so that is even worse + while ( (size_t)m_current + 1 == GetVisibleRowsEnd() && + (size_t)m_current != GetVisibleRowsBegin() && + ScrollToRow(GetVisibleBegin() + 1) ) ; // but in any case refresh it as even if it was only partly visible // before we need to redraw it entirely as its background changed - RefreshLine(m_current); + RefreshRow(m_current); } } return true; } +void wxVListBox::InitEvent(wxCommandEvent& event, int n) +{ + event.SetEventObject(this); + event.SetInt(n); +} + void wxVListBox::SendSelectedEvent() { wxASSERT_MSG( m_current != wxNOT_FOUND, - _T("SendSelectedEvent() shouldn't be called") ); + wxT("SendSelectedEvent() shouldn't be called") ); wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId()); - event.SetEventObject(this); - event.SetInt(m_current); - + InitEvent(event, m_current); (void)GetEventHandler()->ProcessEvent(event); } @@ -265,7 +284,7 @@ void wxVListBox::SetSelection(int selection) { wxCHECK_RET( selection == wxNOT_FOUND || (selection >= 0 && (size_t)selection < GetItemCount()), - _T("wxVListBox::SetSelection(): invalid item index") ); + wxT("wxVListBox::SetSelection(): invalid item index") ); if ( HasMultipleSelection() ) { @@ -295,7 +314,7 @@ int wxVListBox::GetFirstSelected(unsigned long& cookie) const int wxVListBox::GetNextSelected(unsigned long& cookie) const { wxCHECK_MSG( m_selStore, wxNOT_FOUND, - _T("GetFirst/NextSelected() may only be used with multiselection listboxes") ); + wxT("GetFirst/NextSelected() may only be used with multiselection listboxes") ); while ( cookie < GetItemCount() ) { @@ -312,10 +331,35 @@ void wxVListBox::RefreshSelected() for ( size_t n = GetVisibleBegin(), end = GetVisibleEnd(); n < end; n++ ) { if ( IsSelected(n) ) - RefreshLine(n); + RefreshRow(n); } } +wxRect wxVListBox::GetItemRect(size_t n) const +{ + wxRect itemrect; + + // check that this item is visible + const size_t lineMax = GetVisibleEnd(); + if ( n >= lineMax ) + return itemrect; + size_t line = GetVisibleBegin(); + if ( n < line ) + return itemrect; + + while ( line <= n ) + { + itemrect.y += itemrect.height; + itemrect.height = OnGetRowHeight(line); + + line++; + } + + itemrect.width = GetClientSize().x; + + return itemrect; +} + // ---------------------------------------------------------------------------- // wxVListBox appearance parameters // ---------------------------------------------------------------------------- @@ -339,7 +383,7 @@ void wxVListBox::SetSelectionBackground(const wxColour& col) // wxVListBox painting // ---------------------------------------------------------------------------- -wxCoord wxVListBox::OnGetLineHeight(size_t line) const +wxCoord wxVListBox::OnGetRowHeight(size_t line) const { return OnMeasureItem(line) + 2*m_ptMargins.y; } @@ -350,40 +394,51 @@ void wxVListBox::OnDrawSeparator(wxDC& WXUNUSED(dc), { } -void wxVListBox::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const +bool +wxVListBox::DoDrawSolidBackground(const wxColour& col, + wxDC& dc, + const wxRect& rect, + size_t n) const { - if ( m_colBgSel.IsOk() ) + if ( !col.IsOk() ) + return false; + + // we need to render selected and current items differently + const bool isSelected = IsSelected(n), + isCurrent = IsCurrent(n); + if ( isSelected || isCurrent ) { - // we need to render selected and current items differently - const bool isSelected = IsSelected(n), - isCurrent = IsCurrent(n); - if ( isSelected || isCurrent ) + if ( isSelected ) { - if ( isSelected ) - { - dc.SetBrush(wxBrush(m_colBgSel, wxSOLID)); - } - else // !selected - { - dc.SetBrush(*wxTRANSPARENT_BRUSH); - } - dc.SetPen(*(isCurrent ? wxBLACK_PEN : wxTRANSPARENT_PEN)); - dc.DrawRectangle(rect); + dc.SetBrush(wxBrush(col, wxBRUSHSTYLE_SOLID)); } - //else: do nothing for the normal items + else // !selected + { + dc.SetBrush(*wxTRANSPARENT_BRUSH); + } + dc.SetPen(*(isCurrent ? wxBLACK_PEN : wxTRANSPARENT_PEN)); + dc.DrawRectangle(rect); } - else // use wxRendererNative for a more native look&feel: + //else: do nothing for the normal items + + return true; +} + +void wxVListBox::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const +{ + // use wxRendererNative for more native look unless we use custom bg colour + if ( !DoDrawSolidBackground(m_colBgSel, dc, rect, n) ) { int flags = 0; if ( IsSelected(n) ) flags |= wxCONTROL_SELECTED; if ( IsCurrent(n) ) flags |= wxCONTROL_CURRENT; - if ( wxWindow::FindFocus() == this ) + if ( wxWindow::FindFocus() == const_cast(this) ) flags |= wxCONTROL_FOCUSED; wxRendererNative::Get().DrawItemSelectionRect( - wx_const_cast(wxVListBox *, this), dc, rect, flags); + const_cast(this), dc, rect, flags); } } @@ -401,24 +456,24 @@ void wxVListBox::OnPaint(wxPaintEvent& WXUNUSED(event)) dc.Clear(); // the bounding rectangle of the current line - wxRect rectLine; - rectLine.width = clientSize.x; + wxRect rectRow; + rectRow.width = clientSize.x; // iterate over all visible lines const size_t lineMax = GetVisibleEnd(); - for ( size_t line = GetFirstVisibleLine(); line < lineMax; line++ ) + for ( size_t line = GetVisibleBegin(); line < lineMax; line++ ) { - const wxCoord hLine = OnGetLineHeight(line); + const wxCoord hRow = OnGetRowHeight(line); - rectLine.height = hLine; + rectRow.height = hRow; // and draw the ones which intersect the update rect - if ( rectLine.Intersects(rectUpdate) ) + if ( rectRow.Intersects(rectUpdate) ) { // don't allow drawing outside of the lines rectangle - wxDCClipper clip(dc, rectLine); + wxDCClipper clip(dc, rectRow); - wxRect rect = rectLine; + wxRect rect = rectRow; OnDrawBackground(dc, rect, line); OnDrawSeparator(dc, rect, line); @@ -428,7 +483,7 @@ void wxVListBox::OnPaint(wxPaintEvent& WXUNUSED(event)) } else // no intersection { - if ( rectLine.GetTop() > rectUpdate.GetBottom() ) + if ( rectRow.GetTop() > rectUpdate.GetBottom() ) { // we are already below the update rect, no need to continue // further @@ -437,7 +492,7 @@ void wxVListBox::OnPaint(wxPaintEvent& WXUNUSED(event)) //else: the next line may intersect the update rect } - rectLine.y += hLine; + rectRow.y += hRow; } } @@ -449,6 +504,11 @@ void wxVListBox::OnSetOrKillFocus(wxFocusEvent& WXUNUSED(event)) RefreshSelected(); } +void wxVListBox::OnSize(wxSizeEvent& event) +{ + UpdateScrollbar(); + event.Skip(); +} // ============================================================================ // wxVListBox keyboard/mouse handling @@ -548,23 +608,27 @@ void wxVListBox::OnKeyDown(wxKeyEvent& event) switch ( event.GetKeyCode() ) { case WXK_HOME: + case WXK_NUMPAD_HOME: current = 0; break; case WXK_END: - current = GetLineCount() - 1; + case WXK_NUMPAD_END: + current = GetRowCount() - 1; break; case WXK_DOWN: - if ( m_current == (int)GetLineCount() - 1 ) + case WXK_NUMPAD_DOWN: + if ( m_current == (int)GetRowCount() - 1 ) return; current = m_current + 1; break; case WXK_UP: + case WXK_NUMPAD_UP: if ( m_current == wxNOT_FOUND ) - current = GetLineCount() - 1; + current = GetRowCount() - 1; else if ( m_current != 0 ) current = m_current - 1; else // m_current == 0 @@ -572,17 +636,19 @@ void wxVListBox::OnKeyDown(wxKeyEvent& event) break; case WXK_PAGEDOWN: + case WXK_NUMPAD_PAGEDOWN: PageDown(); - current = GetFirstVisibleLine(); + current = GetVisibleBegin(); break; case WXK_PAGEUP: - if ( m_current == (int)GetFirstVisibleLine() ) + case WXK_NUMPAD_PAGEUP: + if ( m_current == (int)GetVisibleBegin() ) { PageUp(); } - current = GetFirstVisibleLine(); + current = GetVisibleBegin(); break; case WXK_SPACE: @@ -597,13 +663,7 @@ void wxVListBox::OnKeyDown(wxKeyEvent& event) case WXK_TAB: // Since we are using wxWANTS_CHARS we need to send navigation // events for the tabs on MSW - { - wxNavigationKeyEvent ne; - ne.SetDirection(!event.ShiftDown()); - ne.SetCurrentFocus(this); - ne.SetEventObject(this); - GetParent()->GetEventHandler()->ProcessEvent(ne); - } + HandleAsNavigationKey(event); // fall through to default #endif default: @@ -629,7 +689,7 @@ void wxVListBox::OnLeftDown(wxMouseEvent& event) { SetFocus(); - int item = HitTest(event.GetPosition()); + int item = VirtualHitTest(event.GetPosition().y); if ( item != wxNOT_FOUND ) { @@ -652,7 +712,7 @@ void wxVListBox::OnLeftDown(wxMouseEvent& event) void wxVListBox::OnLeftDClick(wxMouseEvent& eventMouse) { - int item = HitTest(eventMouse.GetPosition()); + int item = VirtualHitTest(eventMouse.GetPosition().y); if ( item != wxNOT_FOUND ) { @@ -661,9 +721,7 @@ void wxVListBox::OnLeftDClick(wxMouseEvent& eventMouse) if ( item == m_current ) { wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId()); - event.SetEventObject(this); - event.SetInt(item); - + InitEvent(event, item); (void)GetEventHandler()->ProcessEvent(event); } else