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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3976 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
1999-10-14 04:43:46 +00:00
parent b5f788a51e
commit 37f214d588
25 changed files with 2221 additions and 726 deletions
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347
src/os2/checklst.cpp
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@@ -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"
#include "wx/checklst.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"
#define INCL_PM
#include <os2.h>
// ----------------------------------------------------------------------------
// 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
{
// TODO
return FALSE;
return GetItem(uiIndex)->IsChecked();
}
void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck)
void wxCheckListBox::Check(size_t uiIndex, bool bCheck)
{
// TODO
GetItem(uiIndex)->Check(bCheck);
}
// process events
// --------------
void wxCheckListBox::OnChar(wxKeyEvent& event)
{
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