X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2cef71bc23a9cd0ec543e451848fb9e88ace36e9..64c1effefabacc175cf601ea4118f3b806a1fd65:/src/msw/checklst.cpp diff --git a/src/msw/checklst.cpp b/src/msw/checklst.cpp index 8327c328af..0a9a715488 100644 --- a/src/msw/checklst.cpp +++ b/src/msw/checklst.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/checklst.cpp +// Name: src/msw/checklst.cpp // Purpose: implementation of wxCheckListBox class // Author: Vadim Zeitlin // Modified by: @@ -17,19 +17,17 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "checklst.h" -#endif - // For compilers that support precompilation, includes "wx.h". #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/object.h" #include "wx/colour.h" @@ -45,7 +43,6 @@ #endif #include "wx/ownerdrw.h" -#include "wx/checklst.h" #include "wx/msw/wrapwin.h" #include @@ -130,97 +127,100 @@ class wxCheckListBoxItem : public wxOwnerDrawn { friend class WXDLLEXPORT wxCheckListBox; public: - // ctor - wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex); + // ctor + wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex); - // drawing functions - virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); + // drawing functions + virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); - // simple accessors and operations - bool IsChecked() const { return m_bChecked; } + // simple accessors and operations + bool IsChecked() const { return m_bChecked; } - void Check(bool bCheck); - void Toggle() { Check(!IsChecked()); } + void Check(bool bCheck); + void Toggle() { Check(!IsChecked()); } - void SendEvent(); + void SendEvent(); private: + bool m_bChecked; + wxCheckListBox *m_pParent; + size_t m_nIndex; DECLARE_NO_COPY_CLASS(wxCheckListBoxItem) - bool m_bChecked; - wxCheckListBox *m_pParent; - size_t m_nIndex; }; wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex) : wxOwnerDrawn(wxEmptyString, true) // checkable { - 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 - SetMarginWidth(GetDefaultMarginWidth()); + 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()); } bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat) { - if ( IsChecked() ) - stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked); + // first draw the label + if ( IsChecked() ) + stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked); + + if ( !wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) + return false; + - if ( wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) { - // ## using native API for performance and precision + // now draw the check mark part size_t nCheckWidth = GetDefaultMarginWidth(), - nCheckHeight = m_pParent->GetItemHeight(); + nCheckHeight = m_pParent->GetItemHeight(); int x = rc.GetX(), y = rc.GetY(); HDC hdc = (HDC)dc.GetHDC(); - // create pens - HPEN hpenBack = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOW)), - hpenGray = CreatePen(PS_SOLID, 0, RGB(128, 128, 128)), - hpenPrev = (HPEN)SelectObject(hdc, hpenBack); + // create pens, brushes &c + COLORREF colBg = ::GetSysColor(COLOR_WINDOW); + AutoHPEN hpenBack(colBg), + hpenGray(RGB(0xc0, 0xc0, 0xc0)); - // we erase the 1-pixel border - Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight); - - // shift check mark 1 pixel to the right (it looks better like this) - x++; + SelectInHDC selPen(hdc, (HGDIOBJ)hpenBack); + AutoHBRUSH hbrBack(colBg); + SelectInHDC selBrush(hdc, hbrBack); - if ( IsChecked() ) { - // first create a monochrome bitmap in a memory DC - HDC hdcMem = CreateCompatibleDC(hdc); - HBITMAP hbmpCheck = CreateBitmap(nCheckWidth, nCheckHeight, 1, 1, 0); - HBITMAP hbmpOld = (HBITMAP)SelectObject(hdcMem, hbmpCheck); + // erase the background: it could have been filled with the selected colour + Rectangle(hdc, x, y, x + nCheckWidth + 1, rc.GetBottom() + 1); - // then draw a check mark into it - - RECT rect; - rect.left = 0; - rect.top = 0; - rect.right = nCheckWidth; - rect.bottom = nCheckHeight; + // shift check mark 1 pixel to the right, looks better like this + x++; + 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__ - DrawFrameControl(hdcMem, &rect, DFC_BUTTON, DFCS_BUTTONCHECK); + DFC_BUTTON, DFCS_BUTTONCHECK #else - DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK); + DFC_MENU, DFCS_MENUCHECK #endif + ); - // finally copy it to screen DC and clean up - BitBlt(hdc, x, y, nCheckWidth - 1, nCheckHeight, - hdcMem, 0, 0, SRCCOPY); - - SelectObject(hdcMem, hbmpOld); - DeleteObject(hbmpCheck); - DeleteDC(hdcMem); + // finally copy it to screen DC + ::BitBlt(hdc, x, y, nCheckWidth, nCheckHeight, hdcMem, 0, 0, SRCCOPY); } // now we draw the smaller rectangle @@ -229,30 +229,12 @@ bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc, nCheckHeight -= 2; // draw hollow gray rectangle - (void)SelectObject(hdc, hpenGray); - HBRUSH hbrPrev = (HBRUSH)SelectObject(hdc, GetStockObject(NULL_BRUSH)); - Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight); - - // clean up - (void)SelectObject(hdc, hpenPrev); - (void)SelectObject(hdc, hbrPrev); + (void)::SelectObject(hdc, (HGDIOBJ)hpenGray); - DeleteObject(hpenBack); - DeleteObject(hpenGray); - - /* - dc.DrawRectangle(x, y, nCheckWidth, nCheckHeight); - - if ( IsChecked() ) { - dc.DrawLine(x, y, x + nCheckWidth, y + nCheckHeight); - dc.DrawLine(x, y + nCheckHeight, x + nCheckWidth, y); - } - */ + SelectInHDC selBrush2(hdc, ::GetStockObject(NULL_BRUSH)); + Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight); return true; - } - - return false; } // change the state of the item and redraw it @@ -354,22 +336,22 @@ bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, // misc overloaded methods // ----------------------- -void wxCheckListBox::Delete(int N) +void wxCheckListBox::Delete(unsigned int n) { - wxCHECK_RET( N >= 0 && N < m_noItems, + wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::Delete") ); - wxListBox::Delete(N); + wxListBox::Delete(n); // free memory - delete m_aItems[N]; + delete m_aItems[n]; - m_aItems.RemoveAt(N); + m_aItems.RemoveAt(n); } bool wxCheckListBox::SetFont( const wxFont &font ) { - size_t i; + unsigned int i; for ( i = 0; i < m_aItems.GetCount(); i++ ) m_aItems[i]->SetFont(font); @@ -410,16 +392,16 @@ bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) // 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, _T("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), _T("bad wxCheckListBox index") ); GetItem(uiIndex)->Check(bCheck); } @@ -513,21 +495,24 @@ 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() ) { - int nItem = HitTest(event.GetX(), event.GetY()); - - if ( nItem != wxNOT_FOUND ) { - wxCheckListBoxItem *item = GetItem(nItem); - item->Toggle(); - item->SendEvent(); + // clicking on the item selects it, clicking on the checkmark toggles + if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) + { + int nItem = HitTest(event.GetX(), event.GetY()); + + if ( nItem != wxNOT_FOUND ) + { + wxCheckListBoxItem *item = GetItem(nItem); + item->Toggle(); + item->SendEvent(); + } + //else: it's not an error, just click outside of client zone + } + else + { + // implement default behaviour: clicking on the item selects it + 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 @@ -540,7 +525,7 @@ int wxCheckListBox::DoHitTestItem(wxCoord x, wxCoord y) const MAKELPARAM(x, y) ); - return nItem >= m_noItems ? wxNOT_FOUND : nItem; + return nItem >= (int)m_noItems ? wxNOT_FOUND : nItem; } @@ -548,8 +533,8 @@ wxSize wxCheckListBox::DoGetBestSize() const { wxSize best = wxListBox::DoGetBestSize(); best.x += wxOwnerDrawn::GetDefaultMarginWidth(); // add room for the checkbox + CacheBestSize(best); return best; } #endif -