///////////////////////////////////////////////////////////////////////////////
-// Name: listbox.cpp
+// Name: src/motif/listbox.cpp
// Purpose: wxListBox
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "listbox.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
-#ifdef __VMS
-#define XtParent XTPARENT
-#define XtDisplay XTDISPLAY
-#endif
+#if wxUSE_LISTBOX
-# include "wx/listbox.h"
-#include "wx/settings.h"
-#include "wx/dynarray.h"
-#include "wx/log.h"
-#include "wx/utils.h"
+#include "wx/listbox.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/dynarray.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/settings.h"
+ #include "wx/arrstr.h"
+#endif
#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include "wx/motif/private.h"
- IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
-
static void wxListBoxCallback(Widget w,
XtPointer clientData,
XmListCallbackStruct * cbs);
+// ----------------------------------------------------------------------------
+// wxSizeKeeper
+// ----------------------------------------------------------------------------
+
+// helper class to reduce code duplication
+class wxSizeKeeper
+{
+ int m_x, m_y;
+ int m_w, m_h;
+ wxWindow* m_wnd;
+public:
+ wxSizeKeeper( wxWindow* w )
+ : m_wnd( w )
+ {
+ m_wnd->GetSize( &m_w, &m_h );
+ m_wnd->GetPosition( &m_x, &m_y );
+ }
+
+ void Restore()
+ {
+ int x, y;
+
+ m_wnd->GetSize( &x, &y );
+ if( x != m_x || y != m_y )
+ m_wnd->SetSize( m_x, m_y, m_w, m_h );
+ }
+};
+
// ============================================================================
// list box control implementation
// ============================================================================
// Listbox item
-wxListBox::wxListBox() : m_clientDataList(wxKEY_INTEGER)
+wxListBox::wxListBox()
{
m_noItems = 0;
}
const wxValidator& validator,
const wxString& name)
{
- m_windowStyle = style;
- m_noItems = n;
- // m_backgroundColour = parent->GetBackgroundColour();
- m_backgroundColour = * wxWHITE;
- m_foregroundColour = parent->GetForegroundColour();
+ if( !wxControl::CreateControl( parent, id, pos, size, style,
+ validator, name ) )
+ return false;
+ PreCreation();
- SetName(name);
- SetValidator(validator);
-
- if (parent) parent->AddChild(this);
-
- m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
+ m_noItems = (unsigned int)n;
Widget parentWidget = (Widget) parent->GetClientWidget();
-
- Arg args[3];
- int count;
- XtSetArg (args[0], XmNlistSizePolicy, XmCONSTANT);
- if (m_windowStyle & wxLB_MULTIPLE)
- XtSetArg (args[1], XmNselectionPolicy, XmMULTIPLE_SELECT);
- else if (m_windowStyle & wxLB_EXTENDED)
- XtSetArg (args[1], XmNselectionPolicy, XmEXTENDED_SELECT);
- else
- XtSetArg (args[1], XmNselectionPolicy, XmBROWSE_SELECT);
- if (m_windowStyle & wxLB_ALWAYS_SB)
+ Display* dpy = XtDisplay(parentWidget);
+
+ Arg args[4];
+ int count = 0;
+ XtSetArg( args[count], XmNlistSizePolicy, XmCONSTANT ); ++count;
+ XtSetArg( args[count], XmNselectionPolicy,
+ ( m_windowStyle & wxLB_MULTIPLE ) ? XmMULTIPLE_SELECT :
+ ( m_windowStyle & wxLB_EXTENDED ) ? XmEXTENDED_SELECT :
+ XmBROWSE_SELECT );
+ ++count;
+ if( m_font.Ok() )
{
- XtSetArg (args[2], XmNscrollBarDisplayPolicy, XmSTATIC);
- count = 3;
+ XtSetArg( args[count],
+ (String)wxFont::GetFontTag(), m_font.GetFontTypeC(dpy) );
+ ++count;
+ }
+ if( m_windowStyle & wxLB_ALWAYS_SB )
+ {
+ XtSetArg( args[count], XmNscrollBarDisplayPolicy, XmSTATIC );
+ ++count;
}
- else
- count = 2;
- Widget listWidget = XmCreateScrolledList(parentWidget,
- (char*)name.c_str(), args, count);
+ Widget listWidget =
+ XmCreateScrolledList(parentWidget,
+ name.char_str(), args, count);
m_mainWidget = (WXWidget) listWidget;
XtManageChild (listWidget);
- long width = size.x;
- long height = size.y;
- if (width == -1)
- width = 150;
- if (height == -1)
- height = 80;
+ wxSize best = GetBestSize();
+ if( size.x != -1 ) best.x = size.x;
+ if( size.y != -1 ) best.y = size.y;
XtAddCallback (listWidget,
XmNbrowseSelectionCallback,
(XtCallbackProc) wxListBoxCallback,
(XtPointer) this);
- m_font = parent->GetFont();
- ChangeFont(FALSE);
-
- SetCanAddEventHandler(TRUE);
+ PostCreation();
AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
- pos.x, pos.y, width, height);
+ pos.x, pos.y, best.x, best.y);
- ChangeBackgroundColour();
+ return true;
+}
- return TRUE;
+bool wxListBox::Create(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ const wxArrayString& choices,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ wxCArrayString chs(choices);
+ return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+ style, validator, name);
}
-wxListBox::~wxListBox()
+void wxListBox::SetSelectionPolicy()
{
+ Widget listBox = (Widget)m_mainWidget;
+ Arg args[3];
+
+ XtSetArg( args[0], XmNlistSizePolicy, XmCONSTANT );
+
+ XtSetArg( args[1], XmNselectionPolicy,
+ ( m_windowStyle & wxLB_MULTIPLE ) ? XmMULTIPLE_SELECT :
+ ( m_windowStyle & wxLB_EXTENDED ) ? XmEXTENDED_SELECT :
+ XmBROWSE_SELECT );
+
+ XtSetValues( listBox, args, 2 );
}
void wxListBox::DoSetFirstItem( int N )
{
int count, length;
- if (N < 0)
+ if (!IsValid(N))
return;
+
XtVaGetValues ((Widget) m_mainWidget,
XmNvisibleItemCount, &count,
XmNitemCount, &length,
XmListSetPos ((Widget) m_mainWidget, N + 1);
}
-void wxListBox::Delete(int N)
+void wxListBox::DoDeleteOneItem(unsigned int n)
{
- int width1, height1;
- int width2, height2;
Widget listBox = (Widget) m_mainWidget;
- GetSize (&width1, &height1);
-
- bool managed = XtIsManaged(listBox);
-
- if (managed)
- XtUnmanageChild (listBox);
-
- XmListDeletePos (listBox, N + 1);
- if (managed)
- XtManageChild (listBox);
-
- GetSize (&width2, &height2);
- // Correct for randomly resized listbox - bad boy, Motif!
- if (width1 != width2 || height1 != height2)
- SetSize (-1, -1, width1, height1);
-
- // (JDH) need to add code here to take care of clientDataList
- // get item from list
- wxNode *node = m_clientDataList.Find((long)N);
- // if existed then delete from list
- if (node) m_clientDataList.DeleteNode(node);
- // we now have to adjust all keys that are >=N+1
- node = m_clientDataList.First();
- while (node)
- {
- if (node->GetKeyInteger() >= (long)(N+1))
- node->SetKeyInteger(node->GetKeyInteger() - 1);
- node = node->Next();
- }
+ XmListDeletePos (listBox, n + 1);
+ wxListBoxBase::DoDeleteOneItem(n);
m_noItems --;
}
-int wxListBox::DoAppend(const wxString& item)
-{
- int width1, height1;
- int width2, height2;
-
- Widget listBox = (Widget) m_mainWidget;
- GetSize (&width1, &height1);
-
- bool managed = XtIsManaged(listBox);
-
- if (managed)
- XtUnmanageChild (listBox);
- int n;
- XtVaGetValues (listBox, XmNitemCount, &n, NULL);
- XmString text = XmStringCreateSimple ((char*) (const char*) item);
- // XmListAddItem(listBox, text, n + 1);
- XmListAddItemUnselected (listBox, text, 0);
- XmStringFree (text);
-
- // It seems that if the list is cleared, we must re-ask for
- // selection policy!!
- Arg args[3];
- XtSetArg (args[0], XmNlistSizePolicy, XmCONSTANT);
- if (m_windowStyle & wxLB_MULTIPLE)
- XtSetArg (args[1], XmNselectionPolicy, XmMULTIPLE_SELECT);
- else if (m_windowStyle & wxLB_EXTENDED)
- XtSetArg (args[1], XmNselectionPolicy, XmEXTENDED_SELECT);
- else
- XtSetArg (args[1], XmNselectionPolicy, XmBROWSE_SELECT);
- XtSetValues (listBox, args, 2);
-
- if (managed)
- XtManageChild (listBox);
-
- GetSize (&width2, &height2);
- // Correct for randomly resized listbox - bad boy, Motif!
- if (width1 != width2 || height1 != height2)
- SetSize (-1, -1, width1, height1);
- m_noItems ++;
-
- return GetCount() - 1;
-}
-
-void wxListBox::DoSetItems(const wxArrayString& items, void** clientData)
-{
- m_clientDataList.Clear();
- int width1, height1;
- int width2, height2;
-
- Widget listBox = (Widget) m_mainWidget;
- GetSize (&width1, &height1);
-
- bool managed = XtIsManaged(listBox);
-
- if (managed)
- XtUnmanageChild (listBox);
- XmString *text = new XmString[items.GetCount()];
- size_t i;
- for (i = 0; i < items.GetCount(); ++i)
- text[i] = XmStringCreateSimple ((char*)items[i].c_str());
-
- if ( clientData )
- for (i = 0; i < items.GetCount(); ++i)
- m_clientDataList.Append ((long) i, (wxObject *) clientData[i]);
-
- XmListAddItems (listBox, text, items.GetCount(), 0);
- for (i = 0; i < items.GetCount(); i++)
- XmStringFree (text[i]);
- delete[] text;
-
- // It seems that if the list is cleared, we must re-ask for
- // selection policy!!
- Arg args[3];
- XtSetArg (args[0], XmNlistSizePolicy, XmCONSTANT);
- if (m_windowStyle & wxLB_MULTIPLE)
- XtSetArg (args[1], XmNselectionPolicy, XmMULTIPLE_SELECT);
- else if (m_windowStyle & wxLB_EXTENDED)
- XtSetArg (args[1], XmNselectionPolicy, XmEXTENDED_SELECT);
- else
- XtSetArg (args[1], XmNselectionPolicy, XmBROWSE_SELECT);
- XtSetValues (listBox, args, 2);
-
- if (managed)
- XtManageChild (listBox);
-
- GetSize (&width2, &height2);
- // Correct for randomly resized listbox - bad boy, Motif!
- if (width1 != width2 || height1 != height2)
- SetSize (-1, -1, width1, height1);
-
- m_noItems = items.GetCount();
-}
-
-int wxListBox::FindString(const wxString& s) const
+int wxDoFindStringInList(Widget w, const wxString& s)
{
- XmString str = XmStringCreateSimple ((char*) (const char*) s);
+ wxXmString str( s );
int *positions = NULL;
int no_positions = 0;
- bool success = XmListGetMatchPos ((Widget) m_mainWidget, str,
+ bool success = XmListGetMatchPos (w, str(),
&positions, &no_positions);
- XmStringFree (str);
- if (success)
+
+ if (success && positions)
{
int pos = positions[0];
- if (positions)
- XtFree ((char *) positions);
+ XtFree ((char *) positions);
return pos - 1;
}
else
return -1;
}
-void wxListBox::Clear()
+int wxListBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
{
- if (m_noItems <= 0)
- return;
+ // FIXME: back to base class for not supported value of bCase
- int width1, height1;
- int width2, height2;
+ return wxDoFindStringInList( (Widget)m_mainWidget, s );
+}
+
+void wxListBox::DoClear()
+{
+ if (!m_noItems)
+ return;
+ wxSizeKeeper sk( this );
Widget listBox = (Widget) m_mainWidget;
- GetSize (&width1, &height1);
XmListDeleteAllItems (listBox);
- m_clientDataList.Clear ();
- GetSize (&width2, &height2);
- // Correct for randomly resized listbox - bad boy, Motif!
- if (width1 != width2 || height1 != height2)
- SetSize (-1, -1, width1, height1);
+ sk.Restore();
+ wxListBoxBase::DoClear();
m_noItems = 0;
}
-void wxListBox::SetSelection(int N, bool select)
+void wxListBox::DoSetSelection(int N, bool select)
{
- m_inSetValue = TRUE;
+ m_inSetValue = true;
if (select)
{
#if 0
int i;
for (i = 0; i < n; i++)
XmListSelectPos ((Widget) m_mainWidget,
- selections[i] + 1, FALSE);
+ selections[i] + 1, False);
- XmListSelectPos ((Widget) m_mainWidget, N + 1, FALSE);
+ XmListSelectPos ((Widget) m_mainWidget, N + 1, False);
XtVaSetValues ((Widget) m_mainWidget,
XmNselectionPolicy, XmEXTENDED_SELECT,
}
else
#endif // 0
- XmListSelectPos ((Widget) m_mainWidget, N + 1, FALSE);
+ XmListSelectPos ((Widget) m_mainWidget, N + 1, False);
}
else
XmListDeselectPos ((Widget) m_mainWidget, N + 1);
- m_inSetValue = FALSE;
+ m_inSetValue = false;
}
bool wxListBox::IsSelected(int N) const
wxArrayInt theSelections;
int count = GetSelections (theSelections);
if (count == 0)
- return FALSE;
+ return false;
else
{
int j;
for (j = 0; j < count; j++)
if (theSelections[j] == N)
- return TRUE;
+ return true;
}
- return FALSE;
-}
-
-void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
-{
- DoSetItemClientData(n, (void*) clientData);
-}
-
-wxClientData* wxListBox::DoGetItemClientObject(int n) const
-{
- return (wxClientData*) DoGetItemClientData(n);
-}
-
-void *wxListBox::DoGetItemClientData(int N) const
-{
- wxNode *node = m_clientDataList.Find ((long) N);
- if (node)
- return (void *) node->Data ();
- else
- return NULL;
-}
-
-void wxListBox::DoSetItemClientData(int N, void *Client_data)
-{
- wxNode *node = m_clientDataList.Find ((long) N);
- if (node)
- node->SetData ((wxObject *)Client_data);
- else
- node = m_clientDataList.Append((long) N, (wxObject*) Client_data);
+ return false;
}
// Return number of selections and an array of selected integers
}
// Get single selection, for single choice list items
-int wxListBox::GetSelection() const
+int wxDoGetSelectionInList(Widget listBox)
{
- Widget listBox = (Widget) m_mainWidget;
int *posList = NULL;
int posCnt = 0;
bool flag = XmListGetSelectedPos (listBox, &posList, &posCnt);
return -1;
}
+int wxListBox::GetSelection() const
+{
+ return wxDoGetSelectionInList((Widget) m_mainWidget);
+}
+
// Find string for position
-wxString wxListBox::GetString(int N) const
+wxString wxDoGetStringInList( Widget listBox, int n )
{
- Widget listBox = (Widget) m_mainWidget;
XmString *strlist;
- int n;
- XtVaGetValues (listBox, XmNitemCount, &n, XmNitems, &strlist, NULL);
- if (N <= n && N >= 0)
- {
- char *txt;
- if (XmStringGetLtoR (strlist[N], XmSTRING_DEFAULT_CHARSET, &txt))
- {
- wxString str(txt);
- XtFree (txt);
- return str;
- }
- else
- return wxEmptyString;
- }
+ int count;
+ XtVaGetValues( listBox,
+ XmNitemCount, &count,
+ XmNitems, &strlist,
+ NULL );
+ if( n < count && n >= 0 )
+ return wxXmStringToString( strlist[n] );
else
return wxEmptyString;
}
-void wxListBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
+wxString wxListBox::GetString(unsigned int n) const
{
- wxWindow::DoSetSize(x, y, width, height, sizeFlags);
-
- // Check resulting size is correct
- int tempW, tempH;
- GetSize (&tempW, &tempH);
-
- /*
- if (tempW != width || tempH != height)
- {
- cout << "wxListBox::SetSize sizes not set correctly.");
- }
- */
+ return wxDoGetStringInList( (Widget)m_mainWidget, n );
}
-void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
+int wxListBox::DoInsertItems(const wxArrayStringsAdapter & items,
+ unsigned int pos,
+ void **clientData, wxClientDataType type)
{
- int width1, height1;
- int width2, height2;
-
Widget listBox = (Widget) m_mainWidget;
- GetSize(&width1, &height1);
-
- bool managed = XtIsManaged(listBox);
-
- if (managed)
- XtUnmanageChild(listBox);
+ const unsigned int numItems = items.GetCount();
- XmString *text = new XmString[items.GetCount()];
- size_t i;
- // Steve Hammes: Motif 1.1 compatibility
- // #if XmVersion > 1100
- // Corrected by Sergey Krasnov from Steve Hammes' code
+ XmString *text = new XmString[numItems];
+ unsigned int i;
#if XmVersion > 1001
- for (i = 0; i < items.GetCount(); i++)
- text[i] = XmStringCreateSimple((char*)items[i].c_str());
- XmListAddItemsUnselected(listBox, text, items.GetCount(), pos+1);
+ for (i = 0; i < numItems; i++)
+ {
+ text[i] = wxStringToXmString(items[i]);
+ }
+ XmListAddItemsUnselected(listBox, text, numItems, GetMotifPosition(pos));
+ InsertNewItemsClientData(pos, numItems, clientData, type);
#else
- for (i = 0; i < items.GetCount(); i++)
+ AllocClientData(numItems);
+
+ unsigned int idx = pos;
+ for ( i = 0; i < numItems; i++, idx++ )
{
- text[i] = XmStringCreateSimple((char*)items[i].c_str());
- // Another Sergey correction
- XmListAddItemUnselected(listBox, text[i], pos+i+1);
+ text[i] = wxStringToXmString(items[i]);
+ XmListAddItemUnselected(listBox, text[i], GetMotifPosition(idx));
+ InsertNewItemClientData(idx, clientData, i, type);
}
#endif
- for (i = 0; i < items.GetCount(); i++)
+ for (i = 0; i < numItems; i++)
XmStringFree(text[i]);
delete[] text;
- // It seems that if the list is cleared, we must re-ask for
- // selection policy!!
- Arg args[3];
- XtSetArg(args[0], XmNlistSizePolicy, XmCONSTANT);
- if (m_windowStyle & wxLB_MULTIPLE)
- XtSetArg(args[1], XmNselectionPolicy, XmMULTIPLE_SELECT);
- else if (m_windowStyle & wxLB_EXTENDED)
- XtSetArg(args[1], XmNselectionPolicy, XmEXTENDED_SELECT);
- else XtSetArg(args[1], XmNselectionPolicy, XmBROWSE_SELECT);
- XtSetValues(listBox,args,2) ;
-
- if (managed)
- XtManageChild(listBox);
-
- GetSize(&width2, &height2);
- // Correct for randomly resized listbox - bad boy, Motif!
- if (width1 != width2 /*|| height1 != height2*/)
- SetSize(-1, -1, width1, height1);
-
- m_noItems += items.GetCount();
+ m_noItems += numItems;
+
+ SetSelectionPolicy();
+
+ return pos + numItems - 1;
}
-void wxListBox::SetString(int N, const wxString& s)
+void wxListBox::SetString(unsigned int n, const wxString& s)
{
- int width1, height1;
- int width2, height2;
-
+ wxSizeKeeper sk( this );
Widget listBox = (Widget) m_mainWidget;
- GetSize (&width1, &height1);
- XmString text = XmStringCreateSimple ((char*) (const char*) s);
+ wxXmString text( s );
// delete the item and add it again.
// FIXME isn't there a way to change it in place?
- XmListDeletePos (listBox, N+1);
- XmListAddItem (listBox, text, N+1);
+ XmListDeletePos (listBox, n+1);
+ XmListAddItem (listBox, text(), n+1);
- XmStringFree(text);
-
- GetSize (&width2, &height2);
- // Correct for randomly resized listbox - bad boy, Motif!
- if (width1 != width2 || height1 != height2)
- SetSize (-1, -1, width1, height1);
+ sk.Restore();
}
void wxListBox::Command (wxCommandEvent & event)
{
- if (event.m_extraLong)
- SetSelection (event.m_commandInt);
+ if (event.GetExtraLong())
+ SetSelection (event.GetInt());
else
{
- Deselect (event.m_commandInt);
+ Deselect (event.GetInt());
return;
}
ProcessCommand (event);
event.SetClientObject( item->GetClientObject(n) );
else if ( item->HasClientUntypedData() )
event.SetClientData( item->GetClientData(n) );
- event.m_commandInt = n;
- event.m_extraLong = TRUE;
+ event.SetInt(n);
+ event.SetExtraLong(true);
event.SetEventObject(item);
event.SetString( item->GetString( n ) );
int x = -1;
- if( cbs->event->type == ButtonRelease )
+ if( NULL != cbs->event && cbs->event->type == ButtonRelease )
{
XButtonEvent* evt = (XButtonEvent*)cbs->event;
item->DoToggleItem( n, x );
#endif
case XmCR_DEFAULT_ACTION:
- item->GetEventHandler()->ProcessEvent(event);
+ item->HandleWindowEvent(event);
break;
case XmCR_EXTENDED_SELECT:
switch (cbs->selection_type)
case XmADDITION:
case XmMODIFICATION:
item->DoToggleItem( n, x );
- item->GetEventHandler()->ProcessEvent(event);
+ item->HandleWindowEvent(event);
break;
}
break;
return (WXWidget) XtParent( (Widget) m_mainWidget );
}
-void wxListBox::ChangeFont(bool keepOriginalSize)
-{
- wxWindow::ChangeFont(keepOriginalSize);
-}
-
void wxListBox::ChangeBackgroundColour()
{
wxWindow::ChangeBackgroundColour();
* function to change them (by default, taken from wxSystemSettings)
*/
wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
- DoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
- DoChangeBackgroundColour((WXWidget) vsb, backgroundColour, TRUE);
+ wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
+ wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
XtVaSetValues (hsb,
XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
NULL);
- DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, TRUE);
+ // MBN: why change parent's background? It looks really ugly.
+ // wxDoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, true);
}
void wxListBox::ChangeForegroundColour()
/* TODO: should scrollbars be affected? Should probably have separate
function to change them (by default, taken from wxSystemSettings)
- DoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
- DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
- DoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
+ wxDoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
+ wxDoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
+ wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
*/
}
-int wxListBox::GetCount() const
+unsigned int wxListBox::GetCount() const
{
return m_noItems;
}
+
+#define LIST_SCROLL_SPACING 6
+
+wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window )
+{
+ int max;
+ Dimension spacing, highlight, xmargin, ymargin, shadow;
+ int width = 0;
+ int x, y;
+
+ XtVaGetValues( listWidget,
+ XmNitemCount, &max,
+ XmNlistSpacing, &spacing,
+ XmNhighlightThickness, &highlight,
+ XmNlistMarginWidth, &xmargin,
+ XmNlistMarginHeight, &ymargin,
+ XmNshadowThickness, &shadow,
+ NULL );
+
+ for( size_t i = 0; i < (size_t)max; ++i )
+ {
+ window->GetTextExtent( wxDoGetStringInList( listWidget, i ), &x, &y );
+ width = wxMax( width, x );
+ }
+
+ // use some arbitrary value if there are no strings
+ if( width == 0 )
+ width = 100;
+
+ // get my
+ window->GetTextExtent( "v", &x, &y );
+
+ // make it a little larger than widest string, plus the scrollbar
+ width += wxSystemSettings::GetMetric( wxSYS_VSCROLL_X )
+ + 2 * highlight + LIST_SCROLL_SPACING + 2 * xmargin + 2 * shadow;
+
+ // at least 3 items, at most 10
+ int height = wxMax( 3, wxMin( 10, max ) ) *
+ ( y + spacing + 2 * highlight ) + 2 * ymargin + 2 * shadow;
+
+ return wxSize( width, height );
+}
+
+wxSize wxListBox::DoGetBestSize() const
+{
+ return wxDoGetListBoxBestSize( (Widget)m_mainWidget, this );
+}
+
+#endif // wxUSE_LISTBOX
projects / wxWidgets.git / blobdiff