X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0616b8382daeca5373484e5a22ec1f322c025c95..59fe1666ce79d76b7decec871801c7622a789299:/src/os2/checklst.cpp diff --git a/src/os2/checklst.cpp b/src/os2/checklst.cpp index 079092b327..654dc3a1fc 100644 --- a/src/os2/checklst.cpp +++ b/src/os2/checklst.cpp @@ -1,11 +1,11 @@ /////////////////////////////////////////////////////////////////////////////// // Name: checklst.cpp // Purpose: implementation of wxCheckListBox class -// Author: AUTHOR +// Author: David Webster // Modified by: -// Created: ??/??/98 +// Created: 10/13/99 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR +// Copyright: (c) David Webster // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// @@ -13,11 +13,32 @@ // headers & declarations // ============================================================================ -#ifdef __GNUG__ -#pragma implementation "checklst.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#if wxUSE_OWNER_DRAWN + +#include "wx/object.h" +#include "wx/colour.h" +#include "wx/font.h" +#include "wx/bitmap.h" +#include "wx/window.h" +#include "wx/listbox.h" +#include "wx/ownerdrw.h" +#include "wx/settings.h" +#include "wx/dcmemory.h" +#include "wx/os2/checklst.h" +#include "wx/log.h" -#include "wx/checklst.h" +#define INCL_PM +#include + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +// get item (converted to right type) +#define GetItem(n) ((wxCheckListBoxItem *)(GetItem(n))) // ============================================================================ // implementation @@ -27,6 +48,194 @@ IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox) #endif +// ---------------------------------------------------------------------------- +// declaration and implementation of wxCheckListBoxItem class +// ---------------------------------------------------------------------------- + +class wxCheckListBoxItem : public wxOwnerDrawn +{ +friend class wxCheckListBox; +public: + // ctor + wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex); + + // drawing functions + virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); + + // simple accessors + bool IsChecked() const { return m_bChecked; } + void Check(bool bCheck); + void Toggle() { Check(!IsChecked()); } + +private: + bool m_bChecked; + wxCheckListBox *m_pParent; + size_t m_nIndex; +}; + +wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex) + : wxOwnerDrawn("", 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()); +} + +/* + * JACS - I've got the owner-draw stuff partially working with WIN16, + * with a really horrible-looking cross for wxCheckListBox instead of a + * check - could use a bitmap check-mark instead, defined in wx.rc. + * Also there's a refresh problem whereby it doesn't always draw the + * check until you click to the right of it, which is OK for WIN32. + */ + +bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc, + wxODAction act, wxODStatus stat) +{ + if ( IsChecked() ) + stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked); + +// TODO: +/* + + if ( wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) { + // ## using native API for performance and precision + size_t nCheckWidth = GetDefaultMarginWidth(), + 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); + + // 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++; + + 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); + + // then draw a check mark into it + RECT rect ; + rect.left = 0 ; + rect.top = 0 ; + rect.right = nCheckWidth ; + rect.bottom = nCheckHeight ; + +#ifdef __WIN32__ +#ifndef __SC__ + DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK); +#endif +#else + // In WIN16, draw a cross + HPEN blackPen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0)); + HPEN whiteBrush = (HPEN)GetStockObject(WHITE_BRUSH); + HPEN hPenOld = (HPEN)::SelectObject(hdcMem, blackPen); + HPEN hBrushOld = (HPEN)::SelectObject(hdcMem, whiteBrush); + ::SetROP2(hdcMem, R2_COPYPEN); + Rectangle(hdcMem, 0, 0, nCheckWidth, nCheckHeight); + MoveTo(hdcMem, 0, 0); + LineTo(hdcMem, nCheckWidth, nCheckHeight); + MoveTo(hdcMem, nCheckWidth, 0); + LineTo(hdcMem, 0, nCheckHeight); + ::SelectObject(hdcMem, hPenOld); + ::SelectObject(hdcMem, hBrushOld); + ::DeleteObject(blackPen); +#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); + } + + // now we draw the smaller rectangle + y++; + nCheckWidth -= 2; + 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); + + 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); +// } +// + + return TRUE; + } +*/ + return FALSE; +} + +// change the state of the item and redraw it +void wxCheckListBoxItem::Check(bool check) +{ + m_bChecked = check; + + // index may be chanegd 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(); + +// TODO: +/* + RECT rcUpdate; + if ( ::SendMessage(hwndListbox, LB_GETITEMRECT, + m_nIndex, (LPARAM)&rcUpdate) == LB_ERR ) + { + wxLogDebug(wxT("LB_GETITEMRECT failed")); + } + + InvalidateRect(hwndListbox, &rcUpdate, FALSE); +*/ + wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId()); + event.SetInt(m_nIndex); + event.SetEventObject(m_pParent); + m_pParent->ProcessCommand(event); +} + // ---------------------------------------------------------------------------- // implementation of wxCheckListBox class // ---------------------------------------------------------------------------- @@ -34,6 +243,8 @@ // define event table // ------------------ BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox) + EVT_CHAR(wxCheckListBox::OnChar) + EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick) END_EVENT_TABLE() // control creation @@ -52,23 +263,129 @@ wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id, const wxString& name) : wxListBox() { - // TODO: you'll probably need a separate Create instead of using - // the wxListBox one as here. - Create(parent, id, pos, size, nStrings, choices, style|wxLB_OWNERDRAW, val, name); + Create(parent, id, pos, size, nStrings, choices, + style | wxLB_OWNERDRAW, val, name); +} + +void wxCheckListBox::Delete(int N) +{ + wxCHECK_RET( N >= 0 && N < m_noItems, + wxT("invalid index in wxListBox::Delete") ); + + wxListBox::Delete(N); + + // free memory + delete m_aItems[N]; + + m_aItems.Remove(N); +} + +void wxCheckListBox::InsertItems(int nItems, const wxString items[], int pos) +{ + wxCHECK_RET( pos >= 0 && pos <= m_noItems, + wxT("invalid index in wxCheckListBox::InsertItems") ); + + wxListBox::InsertItems(nItems, items, pos); + + int i; + for ( i = 0; i < nItems; i++ ) { + wxOwnerDrawn *pNewItem = CreateItem((size_t)(pos + i)); + pNewItem->SetName(items[i]); + m_aItems.Insert(pNewItem, (size_t)(pos + i)); +// ListBox_SetItemData((HWND)GetHWND(), i + pos, pNewItem); + } +} + + +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::CreateItem(size_t nIndex) +{ + wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this, nIndex); + return pItem; } +// return item size +// ---------------- +// TODO: +/* +bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) +{ + if ( wxListBox::MSWOnMeasure(item) ) { + MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; + + // save item height + m_nItemHeight = pStruct->itemHeight; + + // add place for the check mark + pStruct->itemWidth += wxOwnerDrawn::GetDefaultMarginWidth(); + + return TRUE; + } + + return FALSE; +} +*/ // check items // ----------- -bool wxCheckListBox::IsChecked(unsigned int uiIndex) const +bool wxCheckListBox::IsChecked(size_t uiIndex) const +{ + return GetItem(uiIndex)->IsChecked(); +} + +void wxCheckListBox::Check(size_t uiIndex, bool bCheck) { - // TODO - return FALSE; + GetItem(uiIndex)->Check(bCheck); } -void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck) +// process events +// -------------- + +void wxCheckListBox::OnChar(wxKeyEvent& event) { - // TODO + if ( event.KeyCode() == WXK_SPACE ) + GetItem(GetSelection())->Toggle(); + else + event.Skip(); } +void wxCheckListBox::OnLeftClick(wxMouseEvent& event) +{ + // clicking on the item selects it, clicking on the checkmark toggles + if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) { +// TODO: +/* + size_t nItem = (size_t)::SendMessage + ( + (HWND)GetHWND(), + LB_ITEMFROMPOINT, + 0, + MAKELPARAM(event.GetX(), event.GetY()) + ); +*/ + size_t nItem = 0; + + if ( nItem < (size_t)m_noItems ) + GetItem(nItem)->Toggle(); + //else: it's not an error, just click outside of client zone + } + else { + // implement default behaviour: clicking on the item selects it + event.Skip(); + } +} + +#endif