///////////////////////////////////////////////////////////////////////////////
-// Name: msw/checklst.cpp
+// Name: src/msw/checklst.cpp
// Purpose: implementation of wxCheckListBox class
// Author: Vadim Zeitlin
-// Modified by:
+// Modified by:
// Created: 16.11.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
-// headers & declarations
+// declarations
// ============================================================================
-#ifdef __GNUG__
-#pragma implementation "checklst.h"
-#endif
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#if USE_OWNER_DRAWN
-
-#include <windows.h>
+#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"
+ #include "wx/bitmap.h"
+ #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/msw/checklst.h"
+
+#include <windowsx.h>
+
+#include "wx/renderer.h"
+#include "wx/msw/private.h"
+#include "wx/msw/dc.h"
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// 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
// ============================================================================
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
-#endif
-
// ----------------------------------------------------------------------------
// declaration and implementation of wxCheckListBoxItem class
// ----------------------------------------------------------------------------
class wxCheckListBoxItem : public wxOwnerDrawn
{
public:
- // ctor
- wxCheckListBoxItem(wxCheckListBox *pParent, uint nIndex);
+ // ctor
+ wxCheckListBoxItem(wxCheckListBox *parent);
- // 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
- bool IsChecked() const { return m_bChecked; }
- void Check(bool bCheck) { m_bChecked = bCheck; }
- void Toggle();
+ // simple accessors and operations
+ wxCheckListBox *GetParent() const
+ { return m_parent; }
+
+ int GetIndex() const
+ { return m_parent->GetItemIndex(const_cast<wxCheckListBoxItem*>(this)); }
+
+ wxString GetName() const
+ { return m_parent->GetString(GetIndex()); }
+
+
+ bool IsChecked() const
+ { return m_checked; }
+
+ void Check(bool bCheck)
+ { m_checked = bCheck; }
+
+ void Toggle()
+ { Check(!IsChecked()); }
private:
- bool m_bChecked;
- wxCheckListBox *m_pParent;
- uint m_nIndex;
+ wxCheckListBox *m_parent;
+ bool m_checked;
+
+ wxDECLARE_NO_COPY_CLASS(wxCheckListBoxItem);
};
-wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, uint nIndex)
- : wxOwnerDrawn("", TRUE) // checkable
+wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *parent)
{
- m_bChecked = FALSE;
- m_pParent = pParent;
- m_nIndex = nIndex;
+ m_parent = parent;
+ m_checked = false;
- // 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
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(parent);
+ size.x += 2 * CHECKMARK_EXTRA_SPACE + CHECKMARK_LABEL_SPACE;
- // fix appearance
- SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
- SetMarginWidth(GetDefaultMarginWidth());
+ SetMarginWidth(size.GetWidth());
+ SetBackgroundColour(parent->GetBackgroundColour());
}
-/*
- * 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,
+bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc,
wxODAction act, wxODStatus stat)
{
- if ( IsChecked() )
- stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked);
-
- if ( wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) {
- // ## using native API for performance and precision
- uint 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 = 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 = SelectObject(hdcMem, hbmpCheck);
-
- // then draw a check mark into it
- RECT rect = { 0, 0, nCheckWidth, nCheckHeight };
-
-#ifdef __WIN32__
- DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
-#else
- // In WIN16, draw a cross
- HPEN blackPen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
- HPEN whiteBrush = GetStockObject(WHITE_BRUSH);
- HPEN hPenOld = ::SelectObject(hdcMem, blackPen);
- HPEN hBrushOld = ::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
+ // first draw the label
+ if ( !wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) )
+ return false;
- // finally copy it to screen DC and clean up
- BitBlt(hdc, x, y, nCheckWidth - 1, nCheckHeight,
- hdcMem, 0, 0, SRCCOPY);
+ // now draw the check mark part
+ wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+ HDC hdc = GetHdcOf(*impl);
- SelectObject(hdcMem, hbmpOld);
- DeleteObject(hbmpCheck);
- DeleteDC(hdcMem);
- }
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(GetParent());
- // now we draw the smaller rectangle
- y++;
- nCheckWidth -= 2;
- nCheckHeight -= 2;
+ // first create bitmap in a memory DC
+ MemoryHDC hdcMem(hdc);
+ CompatibleBitmap hBmpCheck(hdc, size.GetWidth(), size.GetHeight());
- // draw hollow gray rectangle
- (void)SelectObject(hdc, hpenGray);
- HBRUSH hbrPrev = SelectObject(hdc, GetStockObject(NULL_BRUSH));
- Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight);
+ // then draw a check mark into it
+ {
+ SelectInHDC selBmp(hdcMem, hBmpCheck);
- // clean up
- (void)SelectObject(hdc, hpenPrev);
- (void)SelectObject(hdc, hbrPrev);
+ int flags = wxCONTROL_FLAT;
+ if ( IsChecked() )
+ flags |= wxCONTROL_CHECKED;
- DeleteObject(hpenBack);
- DeleteObject(hpenGray);
+ wxDCTemp dcMem(hdcMem);
+ wxRendererNative::Get().DrawCheckBox(GetParent(), dcMem, wxRect(size), flags);
+ } // select hBmpCheck out of hdcMem
- /*
- dc.DrawRectangle(x, y, nCheckWidth, nCheckHeight);
+ // finally draw bitmap to screen
- if ( IsChecked() ) {
- dc.DrawLine(x, y, x + nCheckWidth, y + nCheckHeight);
- dc.DrawLine(x, y + nCheckHeight, x + nCheckWidth, y);
- }
- */
+ // position of check mark bitmap
+ int x = rc.GetX() + CHECKMARK_EXTRA_SPACE;
+ int y = rc.GetY() + (rc.GetHeight() - size.GetHeight()) / 2;
- return TRUE;
- }
+ UINT uState = stat & wxOwnerDrawn::wxODSelected ? wxDSB_SELECTED : wxDSB_NORMAL;
+ wxDrawStateBitmap(hdc, hBmpCheck, x, y, uState);
- return FALSE;
-}
-
-// change the state of the item and redraw it
-void wxCheckListBoxItem::Toggle()
-{
- m_bChecked = !m_bChecked;
-
- uint nHeight = m_pParent->GetItemHeight();
- uint y = m_nIndex * nHeight;
- RECT rcUpdate = { 0, y, GetDefaultMarginWidth(), y + nHeight};
- InvalidateRect((HWND)m_pParent->GetHWND(), &rcUpdate, FALSE);
-
- wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId());
- event.SetInt(m_nIndex);
- event.SetEventObject(m_pParent);
- m_pParent->ProcessCommand(event);
+ return true;
}
// ----------------------------------------------------------------------------
// define event table
// ------------------
BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
- EVT_CHAR(wxCheckListBox::OnChar)
+ EVT_KEY_DOWN(wxCheckListBox::OnKeyDown)
EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)
END_EVENT_TABLE()
// ----------------
// def ctor: use Create() to really create the control
-wxCheckListBox::wxCheckListBox() : wxListBox()
+wxCheckListBox::wxCheckListBox()
{
}
const wxPoint& pos, const wxSize& size,
int nStrings, const wxString choices[],
long style, const wxValidator& val,
- const wxString& name) // , const wxFont& font)
- // don't use ctor with arguments! we must call Create()
- // ourselves from here.
- : wxListBox()
-// , m_font(font)
+ const wxString& name)
+{
+ Create(parent, id, pos, size, nStrings, choices, style, val, name);
+}
+
+wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos, const wxSize& size,
+ const wxArrayString& choices,
+ long style, const wxValidator& val,
+ const wxString& name)
+{
+ Create(parent, id, pos, size, choices, style, val, name);
+}
+
+bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos, const wxSize& size,
+ int n, const wxString choices[],
+ long style,
+ const wxValidator& validator, const wxString& name)
{
- Create(parent, id, pos, size, nStrings, choices, style|wxLB_OWNERDRAW, val, name);
+ return wxListBox::Create(parent, id, pos, size, n, choices,
+ style | wxLB_OWNERDRAW, validator, name);
+}
+
+bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos, const wxSize& size,
+ const wxArrayString& choices,
+ long style,
+ const wxValidator& validator, const wxString& name)
+{
+ return wxListBox::Create(parent, id, pos, size, choices,
+ style | wxLB_OWNERDRAW, validator, name);
}
// create/retrieve item
// --------------------
// create a check list box item
-wxOwnerDrawn *wxCheckListBox::CreateItem(uint nIndex)
+wxOwnerDrawn *wxCheckListBox::CreateLboxItem(size_t WXUNUSED(n))
{
- wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this, nIndex);
- if ( m_windowFont.Ok() )
- pItem->SetFont(m_windowFont);
-
- return pItem;
+ wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this);
+ return pItem;
}
-// get item (converted to right type)
-#define GetItem(n) ((wxCheckListBoxItem *)(GetItem(n)))
-
// 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<unsigned int>(size.GetHeight()) )
+ pStruct->itemHeight = size.GetHeight();
- return FALSE;
-}
+ return true;
+ }
+
+ return false;
+ }
// check items
// -----------
-bool wxCheckListBox::IsChecked(uint uiIndex) const
+bool wxCheckListBox::IsChecked(unsigned int uiIndex) const
+{
+ wxCHECK_MSG( IsValid(uiIndex), false, wxT("bad wxCheckListBox index") );
+
+ return GetItem(uiIndex)->IsChecked();
+}
+
+void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck)
{
- return GetItem(uiIndex)->IsChecked();
+ wxCHECK_RET( IsValid(uiIndex), wxT("bad wxCheckListBox index") );
+
+ GetItem(uiIndex)->Check(bCheck);
+ RefreshItem(uiIndex);
}
-void wxCheckListBox::Check(uint uiIndex, bool bCheck)
+void wxCheckListBox::Toggle(unsigned int uiIndex)
{
- GetItem(uiIndex)->Check(bCheck);
+ wxCHECK_RET( IsValid(uiIndex), wxT("bad wxCheckListBox index") );
+
+ GetItem(uiIndex)->Toggle();
+ RefreshItem(uiIndex);
}
// process events
// --------------
-void wxCheckListBox::OnChar(wxKeyEvent& event)
+void wxCheckListBox::OnKeyDown(wxKeyEvent& event)
{
- if ( event.KeyCode() == WXK_SPACE )
- GetItem(GetSelection())->Toggle();
- else
- wxListBox::OnChar(event);
+ // what do we do?
+ enum
+ {
+ NONE,
+ TOGGLE,
+ SET,
+ CLEAR
+ } oper;
+
+ switch ( event.GetKeyCode() )
+ {
+ case WXK_SPACE:
+ oper = TOGGLE;
+ break;
+
+ case WXK_NUMPAD_ADD:
+ case '+':
+ oper = SET;
+ break;
+
+ case WXK_NUMPAD_SUBTRACT:
+ case '-':
+ oper = CLEAR;
+ break;
+
+ default:
+ oper = NONE;
+ }
+
+ if ( oper != NONE )
+ {
+ wxArrayInt selections;
+ int count = 0;
+ if ( HasMultipleSelection() )
+ {
+ count = GetSelections(selections);
+ }
+ else
+ {
+ int sel = GetSelection();
+ if (sel != -1)
+ {
+ count = 1;
+ selections.Add(sel);
+ }
+ }
+
+ for ( int i = 0; i < count; i++ )
+ {
+ int nItem = selections[i];
+
+ switch ( oper )
+ {
+ case TOGGLE:
+ Toggle(nItem);
+ break;
+
+ case SET:
+ case CLEAR:
+ Check(nItem, oper == SET);
+ break;
+
+ default:
+ 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
+ SendEvent(nItem);
+ }
+ }
+ else // nothing to do
+ {
+ event.Skip();
+ }
}
void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
{
- // clicking on the item selects it, clicking on the checkmark toggles
- if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) {
- // # better use LB_ITEMFROMPOINT perhaps?
- uint nItem = ((uint)event.GetY()) / m_nItemHeight;
- if ( nItem < (uint)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();
- }
+ // clicking on the item selects it, clicking on the checkmark toggles
+
+ int nItem = HitTest(event.GetX(), event.GetY());
+
+ 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 behaviour on click outside of client zone
+ event.Skip();
+ }
}
-#endif
+wxSize wxCheckListBox::DoGetBestClientSize() const
+{
+ wxSize best = wxListBox::DoGetBestClientSize();
+
+ // add room for the checkbox
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(const_cast<wxCheckListBox*>(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;
+}
+#endif // wxUSE_CHECKLISTBOX
projects / wxWidgets.git / blobdiff