X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f029f1d15b04dd70522008cdf105be87140fabc6..404b319a85dadd7decf7a5a5331020520031a41c:/src/generic/vlbox.cpp diff --git a/src/generic/vlbox.cpp b/src/generic/vlbox.cpp index d75fc4f130..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 @@ -78,8 +81,8 @@ bool wxVListBox::Create(wxWindow *parent, const wxString& name) { #ifdef __WXMSW__ - if ((style & wxBORDER_MASK) == wxDEFAULT) - style |= wxBORDER_THEME; + if ( (style & wxBORDER_MASK) == wxDEFAULT ) + style |= wxBORDER_THEME; #endif style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE; @@ -110,6 +113,10 @@ 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 @@ -131,10 +138,10 @@ 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 ) @@ -151,7 +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 ) @@ -162,7 +169,7 @@ 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) ) @@ -194,7 +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 ) @@ -217,7 +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 ) { @@ -242,7 +249,10 @@ bool wxVListBox::DoSetCurrent(int current) { // it is, indeed, only partly visible, so scroll it into view to // make it entirely visible + // 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 @@ -254,15 +264,19 @@ bool wxVListBox::DoSetCurrent(int 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); } @@ -270,7 +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() ) { @@ -300,7 +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() ) { @@ -321,6 +335,31 @@ void wxVListBox::RefreshSelected() } } +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 // ---------------------------------------------------------------------------- @@ -355,40 +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 // !selected + { + dc.SetBrush(*wxTRANSPARENT_BRUSH); } - //else: do nothing for the normal items + 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() == wx_const_cast(wxVListBox*, 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); } } @@ -454,6 +504,11 @@ void wxVListBox::OnSetOrKillFocus(wxFocusEvent& WXUNUSED(event)) RefreshSelected(); } +void wxVListBox::OnSize(wxSizeEvent& event) +{ + UpdateScrollbar(); + event.Skip(); +} // ============================================================================ // wxVListBox keyboard/mouse handling @@ -553,14 +608,17 @@ void wxVListBox::OnKeyDown(wxKeyEvent& event) switch ( event.GetKeyCode() ) { case WXK_HOME: + case WXK_NUMPAD_HOME: current = 0; break; case WXK_END: + case WXK_NUMPAD_END: current = GetRowCount() - 1; break; case WXK_DOWN: + case WXK_NUMPAD_DOWN: if ( m_current == (int)GetRowCount() - 1 ) return; @@ -568,6 +626,7 @@ void wxVListBox::OnKeyDown(wxKeyEvent& event) break; case WXK_UP: + case WXK_NUMPAD_UP: if ( m_current == wxNOT_FOUND ) current = GetRowCount() - 1; else if ( m_current != 0 ) @@ -577,11 +636,13 @@ void wxVListBox::OnKeyDown(wxKeyEvent& event) break; case WXK_PAGEDOWN: + case WXK_NUMPAD_PAGEDOWN: PageDown(); current = GetVisibleBegin(); break; case WXK_PAGEUP: + case WXK_NUMPAD_PAGEUP: if ( m_current == (int)GetVisibleBegin() ) { PageUp(); @@ -660,9 +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