X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9a83f860948059b0273b5cc6d9e43fadad3ebfca..76b1a2c26eb9c45f10ed54213320c01ba32746ec:/src/msw/checklst.cpp diff --git a/src/msw/checklst.cpp b/src/msw/checklst.cpp index 0769cb2f34..cfa3fa73bd 100644 --- a/src/msw/checklst.cpp +++ b/src/msw/checklst.cpp @@ -56,6 +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 // ============================================================================ @@ -125,67 +135,68 @@ IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox) class wxCheckListBoxItem : public wxOwnerDrawn { -friend class WXDLLIMPEXP_FWD_CORE wxCheckListBox; public: // ctor - wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex); + wxCheckListBoxItem(wxCheckListBox *parent); // drawing functions virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); // simple accessors and operations - bool IsChecked() const { return m_bChecked; } + wxCheckListBox *GetParent() const + { return m_parent; } + + int GetIndex() const + { return m_parent->GetItemIndex(const_cast(this)); } - void Check(bool bCheck); - void Toggle() { Check(!IsChecked()); } + wxString GetName() const + { return m_parent->GetString(GetIndex()); } - 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; 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 + m_parent = parent; + m_checked = false; - SetMarginWidth(::GetSystemMetrics(SM_CXMENUCHECK) - 2); + wxSize size = wxRendererNative::Get().GetCheckBoxSize(parent); + size.x += 2 * CHECKMARK_EXTRA_SPACE + CHECKMARK_LABEL_SPACE; - SetBackgroundColour(pParent->GetBackgroundColour()); + 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; - wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); // now draw the check mark part + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); HDC hdc = GetHdcOf(*impl); - int nBmpWidth = ::GetSystemMetrics(SM_CXMENUCHECK), - nBmpHeight = ::GetSystemMetrics(SM_CYMENUCHECK); - + wxSize size = wxRendererNative::Get().GetCheckBoxSize(GetParent()); // first create bitmap in a memory DC MemoryHDC hdcMem(hdc); - CompatibleBitmap hBmpCheck(hdc, nBmpWidth, nBmpHeight); + CompatibleBitmap hBmpCheck(hdc, size.GetWidth(), size.GetHeight()); // then draw a check mark into it { @@ -196,70 +207,21 @@ bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc, flags |= wxCONTROL_CHECKED; wxDCTemp dcMem(hdcMem); - wxRendererNative::Get().DrawCheckBox( - m_pParent, dcMem, wxRect(0, 0, nBmpWidth, nBmpHeight), flags); + wxRendererNative::Get().DrawCheckBox(GetParent(), dcMem, wxRect(size), flags); } // select hBmpCheck out of hdcMem - // shift check mark 2 pixel to the right and bottom, looks better like this - int x = rc.GetX() + 2, - y = rc.GetY() + 2; + // finally draw bitmap to screen - // finally draw bitmap to screen: uses image list functions to blend - // the bitmap with the background colour (better for the selected items) - HIMAGELIST himl = ImageList_Create(nBmpWidth, nBmpHeight, - ILC_COLOR32 | ILC_MASK, 1, 1); - ImageList_Add(himl, hBmpCheck, NULL); + // position of check mark bitmap + int x = rc.GetX() + CHECKMARK_EXTRA_SPACE; + int y = rc.GetY() + (rc.GetHeight() - size.GetHeight()) / 2; - UINT fStyle = stat & wxOwnerDrawn::wxODSelected ? ILD_SELECTED : ILD_NORMAL; - ImageList_Draw(himl, 0, hdc, x, y, fStyle); - - ImageList_Destroy(himl); - - if (stat & wxODHasFocus) - wxRendererNative::Get().DrawFocusRect(m_pParent, dc, rc); + UINT uState = stat & wxOwnerDrawn::wxODSelected ? wxDSB_SELECTED : wxDSB_NORMAL; + wxDrawStateBitmap(hdc, hBmpCheck, x, y, uState); return true; } -// 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 ) - { - // update it - int index = m_pParent->GetItemIndex(this); - - wxASSERT_MSG( index != wxNOT_FOUND, wxT("what does this item do here?") ); - - m_nIndex = (size_t)index; - } - - HWND hwndListbox = (HWND)m_pParent->GetHWND(); - - RECT rcUpdate; - - if ( ::SendMessage(hwndListbox, LB_GETITEMRECT, - m_nIndex, (LPARAM)&rcUpdate) == LB_ERR ) - { - wxLogDebug(wxT("LB_GETITEMRECT failed")); - } - - ::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); - event.SetString(m_pParent->GetString(m_nIndex)); - m_pParent->ProcessCommand(event); -} - // ---------------------------------------------------------------------------- // implementation of wxCheckListBox class // ---------------------------------------------------------------------------- @@ -318,62 +280,39 @@ bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, style | wxLB_OWNERDRAW, validator, name); } -// misc overloaded methods -// ----------------------- - -void wxCheckListBox::Delete(unsigned 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 ) -{ - unsigned int 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; - // add place for the check mark - pStruct->itemWidth += wxOwnerDrawn::GetDefaultMarginWidth(); - pStruct->itemHeight += 1; + wxSize size = wxRendererNative::Get().GetCheckBoxSize(this); + size.x += 2 * CHECKMARK_EXTRA_SPACE; + size.y += 2 * CHECKMARK_EXTRA_SPACE; - // save item height - m_nItemHeight = pStruct->itemHeight; + // 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 // ----------- @@ -390,6 +329,15 @@ void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck) 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 @@ -400,33 +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; @@ -446,22 +394,17 @@ void wxCheckListBox::OnKeyDown(wxKeyEvent& event) for ( int i = 0; i < count; i++ ) { - wxCheckListBoxItem *item = GetItem(selections[i]); - if ( !item ) - { - wxFAIL_MSG( wxT("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: @@ -470,7 +413,7 @@ void wxCheckListBox::OnKeyDown(wxKeyEvent& event) // 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 @@ -482,11 +425,21 @@ 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 ) { - int nItem = HitTest(event.GetX(), event.GetY()); + 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 ( nItem != wxNOT_FOUND ) + 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 @@ -497,24 +450,43 @@ void wxCheckListBox::OnLeftClick(wxMouseEvent& event) SetFocus(); if ( FindFocus() == this ) { - wxCheckListBoxItem *item = GetItem(nItem); - item->Toggle(); - item->SendEvent(); + 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: it's not an error, just click outside of client zone + else + { + // implement default behaviour: clicking on the item selects it + event.Skip(); + } } else { - // implement default behaviour: clicking on the item selects it + // implement default behavior on click outside of client zone event.Skip(); } } -wxSize wxCheckListBox::DoGetBestSize() const +wxSize wxCheckListBox::DoGetBestClientSize() const { - wxSize best = wxListBox::DoGetBestSize(); - best.x += wxOwnerDrawn::GetDefaultMarginWidth(); // add room for the checkbox + 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(); + CacheBestSize(best); return best; }