+/////////////////////////////////////////////////////////////////////////////
+// Name: src/msw/bmpcboxg.cpp
+// Purpose: wxBitmapComboBox
+// Author: Jaakko Salli
+// Created: 2008-04-06
+// RCS-ID: $Id:$
+// Copyright: (c) 2008 Jaakko Salli
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#if wxUSE_BITMAPCOMBOBOX
+
+#include "wx/bmpcbox.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+#endif
+
+#include "wx/settings.h"
+
+#include "wx/msw/dcclient.h"
+#include "wx/msw/private.h"
+
+// For wxODCB_XXX flags
+#include "wx/odcombo.h"
+
+
+#define IMAGE_SPACING_CTRL_VERTICAL 7 // Spacing used in control size calculation
+
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+
+BEGIN_EVENT_TABLE(wxBitmapComboBox, wxComboBox)
+ EVT_SIZE(wxBitmapComboBox::OnSize)
+END_EVENT_TABLE()
+
+
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapComboBox, wxComboBox)
+
+
+// ----------------------------------------------------------------------------
+// wxBitmapComboBox creation
+// ----------------------------------------------------------------------------
+
+void wxBitmapComboBox::Init()
+{
+ m_inResize = false;
+}
+
+wxBitmapComboBox::wxBitmapComboBox(wxWindow *parent,
+ wxWindowID id,
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ const wxArrayString& choices,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+ : wxComboBox(),
+ wxBitmapComboBoxBase()
+{
+ Init();
+
+ Create(parent,id,value,pos,size,choices,style,validator,name);
+}
+
+bool wxBitmapComboBox::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ const wxArrayString& choices,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ wxCArrayString chs(choices);
+ return Create(parent, id, value, pos, size, chs.GetCount(),
+ chs.GetStrings(), style, validator, name);
+}
+
+bool wxBitmapComboBox::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ int n,
+ const wxString choices[],
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ if ( !wxComboBox::Create(parent, id, value, pos, size,
+ n, choices, style, validator, name) )
+ return false;
+
+ UpdateInternals();
+
+ return true;
+}
+
+WXDWORD wxBitmapComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ return wxComboBox::MSWGetStyle(style, exstyle) | CBS_OWNERDRAWFIXED | CBS_HASSTRINGS;
+}
+
+void wxBitmapComboBox::RecreateControl()
+{
+ //
+ // Recreate control so that WM_MEASUREITEM gets called again.
+ // Can't use CBS_OWNERDRAWVARIABLE because it has odd
+ // mouse-wheel behaviour.
+ //
+ wxString value = GetValue();
+ wxPoint pos = GetPosition();
+ wxSize size = GetSize();
+ wxArrayString strings = GetStrings();
+
+ wxComboBox::DoClear();
+
+ HWND hwnd = GetHwnd();
+ DissociateHandle();
+ ::DestroyWindow(hwnd);
+
+ if ( !MSWCreateControl(wxT("COMBOBOX"), value, pos, size) )
+ return;
+
+ // initialize the controls contents
+ for ( unsigned int i = 0; i < strings.size(); i++ )
+ {
+ wxComboBox::Append(strings[i]);
+ }
+
+ // and make sure it has the same attributes as before
+ if ( m_hasFont )
+ {
+ // calling SetFont(m_font) would do nothing as the code would
+ // notice that the font didn't change, so force it to believe
+ // that it did
+ wxFont font = m_font;
+ m_font = wxNullFont;
+ SetFont(font);
+ }
+
+ if ( m_hasFgCol )
+ {
+ wxColour colFg = m_foregroundColour;
+ m_foregroundColour = wxNullColour;
+ SetForegroundColour(colFg);
+ }
+
+ if ( m_hasBgCol )
+ {
+ wxColour colBg = m_backgroundColour;
+ m_backgroundColour = wxNullColour;
+ SetBackgroundColour(colBg);
+ }
+ else
+ {
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+ }
+}
+
+wxBitmapComboBox::~wxBitmapComboBox()
+{
+ Clear();
+}
+
+// ----------------------------------------------------------------------------
+// Item manipulation
+// ----------------------------------------------------------------------------
+
+void wxBitmapComboBox::SetItemBitmap(unsigned int n, const wxBitmap& bitmap)
+{
+ OnAddBitmap(bitmap);
+ DoSetItemBitmap(n, bitmap);
+
+ if ( (int)n == GetSelection() )
+ Refresh();
+}
+
+int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap)
+{
+ OnAddBitmap(bitmap);
+ const int n = wxComboBox::Append(item);
+ if ( n != wxNOT_FOUND )
+ DoSetItemBitmap(n, bitmap);
+ return n;
+}
+
+int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap,
+ void *clientData)
+{
+ OnAddBitmap(bitmap);
+ const int n = wxComboBox::Append(item, clientData);
+ if ( n != wxNOT_FOUND )
+ DoSetItemBitmap(n, bitmap);
+ return n;
+}
+
+int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap,
+ wxClientData *clientData)
+{
+ OnAddBitmap(bitmap);
+ const int n = wxComboBox::Append(item, clientData);
+ if ( n != wxNOT_FOUND )
+ DoSetItemBitmap(n, bitmap);
+ return n;
+}
+
+int wxBitmapComboBox::Insert(const wxString& item,
+ const wxBitmap& bitmap,
+ unsigned int pos)
+{
+ OnAddBitmap(bitmap);
+ const int n = wxComboBox::Insert(item, pos);
+ if ( n != wxNOT_FOUND )
+ DoSetItemBitmap(n, bitmap);
+ return n;
+}
+
+int wxBitmapComboBox::Insert(const wxString& item, const wxBitmap& bitmap,
+ unsigned int pos, wxClientData *clientData)
+{
+ OnAddBitmap(bitmap);
+ const int n = wxComboBox::Insert(item, pos, clientData);
+ if ( n != wxNOT_FOUND )
+ DoSetItemBitmap(n, bitmap);
+ return n;
+}
+
+int wxBitmapComboBox::DoInsertItems(const wxArrayStringsAdapter & items,
+ unsigned int pos,
+ void **clientData, wxClientDataType type)
+{
+ const unsigned int numItems = items.GetCount();
+ const unsigned int countNew = GetCount() + numItems;
+
+ m_bitmaps.Alloc(countNew);
+
+ for ( unsigned int i = 0; i < numItems; i++ )
+ {
+ m_bitmaps.Insert(new wxBitmap(wxNullBitmap), pos + i);
+ }
+
+ const int index = wxComboBox::DoInsertItems(items, pos,
+ clientData, type);
+
+ if ( index == wxNOT_FOUND )
+ {
+ for ( int i = numItems-1; i >= 0; i-- )
+ BCBDoDeleteOneItem(pos + i);
+ }
+
+ return index;
+}
+
+bool wxBitmapComboBox::OnAddBitmap(const wxBitmap& bitmap)
+{
+ if ( wxBitmapComboBoxBase::OnAddBitmap(bitmap) )
+ {
+ // Need to recreate control for a new measureitem call?
+ int prevItemHeight = ::SendMessage(GetHwnd(), CB_GETITEMHEIGHT, 0, 0);
+
+ if ( prevItemHeight != MeasureItem(0) )
+ RecreateControl();
+
+ return true;
+ }
+
+ return false;
+}
+
+void wxBitmapComboBox::DoClear()
+{
+ wxComboBox::DoClear();
+ wxBitmapComboBoxBase::BCBDoClear();
+}
+
+void wxBitmapComboBox::DoDeleteOneItem(unsigned int n)
+{
+ wxComboBox::DoDeleteOneItem(n);
+ wxBitmapComboBoxBase::BCBDoDeleteOneItem(n);
+}
+
+// ----------------------------------------------------------------------------
+// wxBitmapComboBox event handlers and such
+// ----------------------------------------------------------------------------
+
+void wxBitmapComboBox::OnSize(wxSizeEvent& event)
+{
+ // Prevent infinite looping
+ if ( !m_inResize )
+ {
+ m_inResize = true;
+ DetermineIndent();
+ m_inResize = false;
+ }
+
+ event.Skip();
+}
+
+// ----------------------------------------------------------------------------
+// wxBitmapComboBox miscellaneous
+// ----------------------------------------------------------------------------
+
+bool wxBitmapComboBox::SetFont(const wxFont& font)
+{
+ bool res = wxComboBox::SetFont(font);
+ UpdateInternals();
+ return res;
+}
+
+// ----------------------------------------------------------------------------
+// wxBitmapComboBox item drawing and measuring
+// ----------------------------------------------------------------------------
+
+bool wxBitmapComboBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
+{
+ LPDRAWITEMSTRUCT lpDrawItem = (LPDRAWITEMSTRUCT) item;
+ int pos = lpDrawItem->itemID;
+
+ // Draw default for item -1, which means 'focus rect only'
+ if ( pos == -1 )
+ return FALSE;
+
+ int flags = 0;
+ if ( lpDrawItem->itemState & ODS_COMBOBOXEDIT )
+ flags |= wxODCB_PAINTING_CONTROL;
+ if ( lpDrawItem->itemState & ODS_SELECTED )
+ flags |= wxODCB_PAINTING_SELECTED;
+
+ wxString text;
+
+ if ( flags & wxODCB_PAINTING_CONTROL )
+ {
+ text = GetValue();
+ if ( !HasFlag(wxCB_READONLY) )
+ text.clear();
+ }
+ else
+ {
+ text = GetString(pos);
+ }
+
+ wxPaintDCEx dc(this, lpDrawItem->hDC);
+ wxRect rect = wxRectFromRECT(lpDrawItem->rcItem);
+ wxBitmapComboBoxBase::DrawBackground(dc, rect, pos, flags);
+ wxBitmapComboBoxBase::DrawItem(dc, rect, pos, text, flags);
+
+ // If the item has the focus, draw focus rectangle.
+ // Commented out since regular combo box doesn't
+ // seem to do it either.
+ //if ( lpDrawItem->itemState & ODS_FOCUS )
+ // DrawFocusRect(lpDrawItem->hDC, &lpDrawItem->rcItem);
+
+ return TRUE;
+}
+
+bool wxBitmapComboBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
+{
+ LPMEASUREITEMSTRUCT lpMeasureItem = (LPMEASUREITEMSTRUCT) item;
+ int pos = lpMeasureItem->itemID;
+
+ lpMeasureItem->itemHeight = wxBitmapComboBoxBase::MeasureItem(pos);
+
+ return TRUE;
+}
+
+#endif // wxUSE_BITMAPCOMBOBOX
projects / wxWidgets.git / commitdiff
