X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8228b8932abaedadbf9568bb3a1eef3ae25fb2a3..ea412ac4eb9f19e3c28dfa32aa9099a81ac7c74c:/src/msw/checklst.cpp diff --git a/src/msw/checklst.cpp b/src/msw/checklst.cpp index b40783e67a..cfa3fa73bd 100644 --- a/src/msw/checklst.cpp +++ b/src/msw/checklst.cpp @@ -21,12 +21,15 @@ #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #if wxUSE_CHECKLISTBOX && wxUSE_OWNER_DRAWN +#include "wx/checklst.h" + #ifndef WX_PRECOMP + #include "wx/msw/wrapcctl.h" #include "wx/object.h" #include "wx/colour.h" #include "wx/font.h" @@ -34,19 +37,17 @@ #include "wx/window.h" #include "wx/listbox.h" #include "wx/dcmemory.h" - #include "wx/settings.h" - #include "wx/log.h" #endif #include "wx/ownerdrw.h" -#include "wx/checklst.h" -#include "wx/msw/wrapwin.h" #include +#include "wx/renderer.h" #include "wx/msw/private.h" +#include "wx/msw/dc.h" // ---------------------------------------------------------------------------- // private functions @@ -55,6 +56,16 @@ // get item (converted to right type) #define GetItem(n) ((wxCheckListBoxItem *)(GetItem(n))) +namespace +{ + // space around check mark bitmap in pixels + static const int CHECKMARK_EXTRA_SPACE = 1; + + // space betwen check bitmap and text label + static const int CHECKMARK_LABEL_SPACE = 2; + +} // anonymous namespace + // ============================================================================ // implementation // ============================================================================ @@ -124,154 +135,91 @@ IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox) class wxCheckListBoxItem : public wxOwnerDrawn { -friend class WXDLLEXPORT wxCheckListBox; public: - // ctor - wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex); + // ctor + wxCheckListBoxItem(wxCheckListBox *parent); + + // drawing functions + virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); + + // simple accessors and operations + wxCheckListBox *GetParent() const + { return m_parent; } - // drawing functions - virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); + int GetIndex() const + { return m_parent->GetItemIndex(const_cast(this)); } - // simple accessors and operations - bool IsChecked() const { return m_bChecked; } + wxString GetName() const + { return m_parent->GetString(GetIndex()); } - void Check(bool bCheck); - void Toggle() { Check(!IsChecked()); } - void SendEvent(); + bool IsChecked() const + { return m_checked; } + + void Check(bool bCheck) + { m_checked = bCheck; } + + void Toggle() + { Check(!IsChecked()); } private: - bool m_bChecked; - wxCheckListBox *m_pParent; - size_t m_nIndex; + wxCheckListBox *m_parent; + bool m_checked; - DECLARE_NO_COPY_CLASS(wxCheckListBoxItem) + wxDECLARE_NO_COPY_CLASS(wxCheckListBoxItem); }; -wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex) - : wxOwnerDrawn(wxEmptyString, true) // checkable +wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *parent) { - m_bChecked = false; - m_pParent = pParent; - m_nIndex = nIndex; - - // we don't initialize m_nCheckHeight/Width vars because it's - // done in OnMeasure while they are used only in OnDraw and we - // know that there will always be OnMeasure before OnDraw - - // fix appearance for check list boxes: they don't look quite the same as - // menu icons - SetMarginWidth(::GetSystemMetrics(SM_CXMENUCHECK) - - 2*wxSystemSettings::GetMetric(wxSYS_EDGE_X) + 1); - SetBackgroundColour(pParent->GetBackgroundColour()); + m_parent = parent; + m_checked = false; + + wxSize size = wxRendererNative::Get().GetCheckBoxSize(parent); + size.x += 2 * CHECKMARK_EXTRA_SPACE + CHECKMARK_LABEL_SPACE; + + SetMarginWidth(size.GetWidth()); + SetBackgroundColour(parent->GetBackgroundColour()); } bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat) { // first draw the label - if ( IsChecked() ) - stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked); - if ( !wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) return false; - // now draw the check mark part - size_t nCheckWidth = GetDefaultMarginWidth(), - nCheckHeight = m_pParent->GetItemHeight(); - - int x = rc.GetX(), - y = rc.GetY(); - - HDC hdc = (HDC)dc.GetHDC(); - - // create pens, brushes &c - COLORREF colBg = ::GetSysColor(COLOR_WINDOW); - AutoHPEN hpenBack(colBg), - hpenGray(RGB(0xc0, 0xc0, 0xc0)); - - SelectInHDC selPen(hdc, (HGDIOBJ)hpenBack); - AutoHBRUSH hbrBack(colBg); - SelectInHDC selBrush(hdc, hbrBack); - - // erase the background: it could have been filled with the selected colour - Rectangle(hdc, x, y, x + nCheckWidth + 1, rc.GetBottom() + 1); + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + HDC hdc = GetHdcOf(*impl); - // shift check mark 1 pixel to the right, looks better like this - x++; + wxSize size = wxRendererNative::Get().GetCheckBoxSize(GetParent()); - if ( IsChecked() ) - { - // first create a monochrome bitmap in a memory DC - MemoryHDC hdcMem(hdc); - MonoBitmap hbmpCheck(nCheckWidth, nCheckHeight); - SelectInHDC selBmp(hdcMem, hbmpCheck); - - // then draw a check mark into it - RECT rect = { 0, 0, nCheckWidth, nCheckHeight }; - ::DrawFrameControl(hdcMem, &rect, -#ifdef __WXWINCE__ - DFC_BUTTON, DFCS_BUTTONCHECK -#else - DFC_MENU, DFCS_MENUCHECK -#endif - ); - - // finally copy it to screen DC - ::BitBlt(hdc, x, y, nCheckWidth, nCheckHeight, hdcMem, 0, 0, SRCCOPY); - } - - // now we draw the smaller rectangle - y++; - nCheckWidth -= 2; - nCheckHeight -= 2; - - // draw hollow gray rectangle - (void)::SelectObject(hdc, (HGDIOBJ)hpenGray); - - SelectInHDC selBrush2(hdc, ::GetStockObject(NULL_BRUSH)); - Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight); - - return true; -} + // first create bitmap in a memory DC + MemoryHDC hdcMem(hdc); + CompatibleBitmap hBmpCheck(hdc, size.GetWidth(), size.GetHeight()); -// change the state of the item and redraw it -void wxCheckListBoxItem::Check(bool check) -{ - m_bChecked = check; - - // index may be changed because new items were added/deleted - if ( m_pParent->GetItemIndex(this) != (int)m_nIndex ) + // then draw a check mark into it { - // update it - int index = m_pParent->GetItemIndex(this); + SelectInHDC selBmp(hdcMem, hBmpCheck); - wxASSERT_MSG( index != wxNOT_FOUND, wxT("what does this item do here?") ); + int flags = wxCONTROL_FLAT; + if ( IsChecked() ) + flags |= wxCONTROL_CHECKED; - m_nIndex = (size_t)index; - } + wxDCTemp dcMem(hdcMem); + wxRendererNative::Get().DrawCheckBox(GetParent(), dcMem, wxRect(size), flags); + } // select hBmpCheck out of hdcMem - HWND hwndListbox = (HWND)m_pParent->GetHWND(); + // finally draw bitmap to screen - RECT rcUpdate; + // position of check mark bitmap + int x = rc.GetX() + CHECKMARK_EXTRA_SPACE; + int y = rc.GetY() + (rc.GetHeight() - size.GetHeight()) / 2; - if ( ::SendMessage(hwndListbox, LB_GETITEMRECT, - m_nIndex, (LPARAM)&rcUpdate) == LB_ERR ) - { - wxLogDebug(wxT("LB_GETITEMRECT failed")); - } + UINT uState = stat & wxOwnerDrawn::wxODSelected ? wxDSB_SELECTED : wxDSB_NORMAL; + wxDrawStateBitmap(hdc, hBmpCheck, x, y, uState); - ::InvalidateRect(hwndListbox, &rcUpdate, FALSE); -} - -// send an "item checked" event -void wxCheckListBoxItem::SendEvent() -{ - wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId()); - event.SetInt(m_nIndex); - event.SetEventObject(m_pParent); - m_pParent->ProcessCommand(event); + return true; } // ---------------------------------------------------------------------------- @@ -332,77 +280,64 @@ bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, style | wxLB_OWNERDRAW, validator, name); } -// misc overloaded methods -// ----------------------- - -void wxCheckListBox::Delete(int N) -{ - wxCHECK_RET( IsValid(N), - wxT("invalid index in wxListBox::Delete") ); - - wxListBox::Delete(N); - - // free memory - delete m_aItems[N]; - - m_aItems.RemoveAt(N); -} - -bool wxCheckListBox::SetFont( const wxFont &font ) -{ - size_t i; - for ( i = 0; i < m_aItems.GetCount(); i++ ) - m_aItems[i]->SetFont(font); - - wxListBox::SetFont(font); - - return true; -} - // create/retrieve item // -------------------- // create a check list box item -wxOwnerDrawn *wxCheckListBox::CreateLboxItem(size_t nIndex) +wxOwnerDrawn *wxCheckListBox::CreateLboxItem(size_t WXUNUSED(n)) { - wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this, nIndex); - return pItem; + wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this); + return pItem; } // return item size // ---------------- bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) { - if ( wxListBox::MSWOnMeasure(item) ) { - MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; + if ( wxListBox::MSWOnMeasure(item) ) + { + MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; - // save item height - m_nItemHeight = pStruct->itemHeight; + wxSize size = wxRendererNative::Get().GetCheckBoxSize(this); + size.x += 2 * CHECKMARK_EXTRA_SPACE; + size.y += 2 * CHECKMARK_EXTRA_SPACE; - // add place for the check mark - pStruct->itemWidth += wxOwnerDrawn::GetDefaultMarginWidth(); + // add place for the check mark + pStruct->itemWidth += size.GetWidth(); - return true; - } + if ( pStruct->itemHeight < static_cast(size.GetHeight()) ) + pStruct->itemHeight = size.GetHeight(); - return false; -} + return true; + } + + return false; + } // check items // ----------- -bool wxCheckListBox::IsChecked(size_t uiIndex) const +bool wxCheckListBox::IsChecked(unsigned int uiIndex) const { - wxCHECK_MSG( uiIndex < (size_t)GetCount(), false, _T("bad wxCheckListBox index") ); + wxCHECK_MSG( IsValid(uiIndex), false, wxT("bad wxCheckListBox index") ); return GetItem(uiIndex)->IsChecked(); } -void wxCheckListBox::Check(size_t uiIndex, bool bCheck) +void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck) { - wxCHECK_RET( uiIndex < (size_t)GetCount(), _T("bad wxCheckListBox index") ); + wxCHECK_RET( IsValid(uiIndex), wxT("bad wxCheckListBox index") ); GetItem(uiIndex)->Check(bCheck); + RefreshItem(uiIndex); +} + +void wxCheckListBox::Toggle(unsigned int uiIndex) +{ + wxCHECK_RET( IsValid(uiIndex), wxT("bad wxCheckListBox index") ); + + GetItem(uiIndex)->Toggle(); + RefreshItem(uiIndex); } // process events @@ -413,33 +348,33 @@ void wxCheckListBox::OnKeyDown(wxKeyEvent& event) // what do we do? enum { - None, - Toggle, - Set, - Clear + NONE, + TOGGLE, + SET, + CLEAR } oper; switch ( event.GetKeyCode() ) { case WXK_SPACE: - oper = Toggle; + oper = TOGGLE; break; case WXK_NUMPAD_ADD: case '+': - oper = Set; + oper = SET; break; case WXK_NUMPAD_SUBTRACT: case '-': - oper = Clear; + oper = CLEAR; break; default: - oper = None; + oper = NONE; } - if ( oper != None ) + if ( oper != NONE ) { wxArrayInt selections; int count = 0; @@ -459,31 +394,26 @@ void wxCheckListBox::OnKeyDown(wxKeyEvent& event) for ( int i = 0; i < count; i++ ) { - wxCheckListBoxItem *item = GetItem(selections[i]); - if ( !item ) - { - wxFAIL_MSG( _T("no wxCheckListBoxItem?") ); - continue; - } + int nItem = selections[i]; switch ( oper ) { - case Toggle: - item->Toggle(); + case TOGGLE: + Toggle(nItem); break; - case Set: - case Clear: - item->Check( oper == Set ); + case SET: + case CLEAR: + Check(nItem, oper == SET); break; default: - wxFAIL_MSG( _T("what should this key do?") ); + wxFAIL_MSG( wxT("what should this key do?") ); } // we should send an event as this has been done by the user and // not by the program - item->SendEvent(); + SendEvent(nItem); } } else // nothing to do @@ -494,43 +424,71 @@ void wxCheckListBox::OnKeyDown(wxKeyEvent& event) void wxCheckListBox::OnLeftClick(wxMouseEvent& event) { - // clicking on the item selects it, clicking on the checkmark toggles - if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) { + // clicking on the item selects it, clicking on the checkmark toggles + int nItem = HitTest(event.GetX(), event.GetY()); - if ( nItem != wxNOT_FOUND ) { - wxCheckListBoxItem *item = GetItem(nItem); - item->Toggle(); - item->SendEvent(); + if ( nItem != wxNOT_FOUND ) + { + wxRect rect; + GetItemRect(nItem, rect); + + // convert item rect to check mark rect + wxSize size = wxRendererNative::Get().GetCheckBoxSize(this); + rect.x += CHECKMARK_EXTRA_SPACE; + rect.y += (rect.GetHeight() - size.GetHeight()) / 2; + rect.SetSize(size); + + if ( rect.Contains(event.GetX(), event.GetY()) ) + { + // people expect to get "kill focus" event for the currently + // focused control before getting events from the other controls + // and, equally importantly, they may prevent the focus change from + // taking place at all (e.g. because the old control contents is + // invalid and needs to be corrected) in which case we shouldn't + // generate this event at all + SetFocus(); + if ( FindFocus() == this ) + { + Toggle(nItem); + SendEvent(nItem); + + // scroll one item down if the item is the last one + // and isn't visible at all + int h; + GetClientSize(NULL, &h); + if ( rect.GetBottom() > h ) + ScrollLines(1); + } + } + else + { + // implement default behaviour: clicking on the item selects it + event.Skip(); + } + } + else + { + // implement default behavior on click outside of client zone + event.Skip(); } - //else: it's not an error, just click outside of client zone - } - else { - // implement default behaviour: clicking on the item selects it - event.Skip(); - } } -int wxCheckListBox::DoHitTestItem(wxCoord x, wxCoord y) const +wxSize wxCheckListBox::DoGetBestClientSize() const { - int nItem = (int)::SendMessage - ( - (HWND)GetHWND(), - LB_ITEMFROMPOINT, - 0, - MAKELPARAM(x, y) - ); - - return nItem >= (int)m_noItems ? wxNOT_FOUND : nItem; -} + wxSize best = wxListBox::DoGetBestClientSize(); + // add room for the checkbox + wxSize size = wxRendererNative::Get().GetCheckBoxSize(const_cast(this)); + size.x += 2 * CHECKMARK_EXTRA_SPACE; + size.y += 2 * CHECKMARK_EXTRA_SPACE; + + best.x += size.GetWidth(); + if ( best.y < size.GetHeight() ) + best.y = size.GetHeight(); -wxSize wxCheckListBox::DoGetBestSize() const -{ - wxSize best = wxListBox::DoGetBestSize(); - best.x += wxOwnerDrawn::GetDefaultMarginWidth(); // add room for the checkbox CacheBestSize(best); return best; } -#endif +#endif // wxUSE_CHECKLISTBOX