///////////////////////////////////////////////////////////////////////////////
-// 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"
+
+#if wxUSE_LISTBOX
#include "wx/listbox.h"
-#include "wx/settings.h"
-#include "wx/dynarray.h"
-#include "wx/log.h"
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
+#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 <Xm/List.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
#endif
+#include "wx/motif/private.h"
+
+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_noItems = 0;
- m_selected = 0;
+ m_noItems = 0;
}
bool wxListBox::Create(wxWindow *parent, wxWindowID id,
const wxValidator& validator,
const wxString& name)
{
- m_noItems = n;
- m_selected = 0;
+ if( !wxControl::CreateControl( parent, id, pos, size, style,
+ validator, name ) )
+ return false;
+ PreCreation();
+
+ m_noItems = (unsigned int)n;
+
+ Widget parentWidget = (Widget) parent->GetClientWidget();
+ 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[count],
+ (String)wxFont::GetFontTag(), m_font.GetFontTypeC(dpy) );
+ ++count;
+ }
+ if( m_windowStyle & wxLB_ALWAYS_SB )
+ {
+ XtSetArg( args[count], XmNscrollBarDisplayPolicy, XmSTATIC );
+ ++count;
+ }
- SetName(name);
- SetValidator(validator);
+ Widget listWidget =
+ XmCreateScrolledList(parentWidget,
+ name.char_str(), args, count);
+
+ m_mainWidget = (WXWidget) listWidget;
+
+ Set(n, choices);
+
+ XtManageChild (listWidget);
+
+ 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);
+ XtAddCallback (listWidget,
+ XmNextendedSelectionCallback,
+ (XtCallbackProc) wxListBoxCallback,
+ (XtPointer) this);
+ XtAddCallback (listWidget,
+ XmNmultipleSelectionCallback,
+ (XtCallbackProc) wxListBoxCallback,
+ (XtPointer) this);
+ XtAddCallback (listWidget,
+ XmNdefaultActionCallback,
+ (XtCallbackProc) wxListBoxCallback,
+ (XtPointer) this);
+
+ PostCreation();
+ AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
+ pos.x, pos.y, best.x, best.y);
+
+ return true;
+}
- if (parent) parent->AddChild(this);
+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);
+}
- wxSystemSettings settings;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+void wxListBox::SetSelectionPolicy()
+{
+ Widget listBox = (Widget)m_mainWidget;
+ Arg args[3];
- m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
+ XtSetArg( args[0], XmNlistSizePolicy, XmCONSTANT );
- // TODO create listbox
+ XtSetArg( args[1], XmNselectionPolicy,
+ ( m_windowStyle & wxLB_MULTIPLE ) ? XmMULTIPLE_SELECT :
+ ( m_windowStyle & wxLB_EXTENDED ) ? XmEXTENDED_SELECT :
+ XmBROWSE_SELECT );
- return FALSE;
+ XtSetValues( listBox, args, 2 );
}
-wxListBox::~wxListBox()
+void wxListBox::DoSetFirstItem( int N )
{
+ int count, length;
+
+ if (!IsValid(N))
+ return;
+
+ XtVaGetValues ((Widget) m_mainWidget,
+ XmNvisibleItemCount, &count,
+ XmNitemCount, &length,
+ NULL);
+ if ((N + count) >= length)
+ N = length - count;
+ XmListSetPos ((Widget) m_mainWidget, N + 1);
}
-void wxListBox::SetFirstItem(int N)
+void wxListBox::DoDeleteOneItem(unsigned int n)
{
- // TODO
-}
+ Widget listBox = (Widget) m_mainWidget;
-void wxListBox::SetFirstItem(const wxString& s)
-{
- // TODO
-}
+ XmListDeletePos (listBox, n + 1);
-void wxListBox::Delete(int N)
-{
- m_noItems --;
- // TODO
+ wxListBoxBase::DoDeleteOneItem(n);
+ m_noItems --;
}
-void wxListBox::Append(const wxString& item)
+int wxDoFindStringInList(Widget w, const wxString& s)
{
- m_noItems ++;
+ wxXmString str( s );
+ int *positions = NULL;
+ int no_positions = 0;
+ bool success = XmListGetMatchPos (w, str(),
+ &positions, &no_positions);
- // TODO
+ if (success && positions)
+ {
+ int pos = positions[0];
+ XtFree ((char *) positions);
+ return pos - 1;
+ }
+ else
+ return -1;
}
-void wxListBox::Append(const wxString& item, char *Client_data)
+int wxListBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
{
- m_noItems ++;
+ // FIXME: back to base class for not supported value of bCase
- // TODO
+ return wxDoFindStringInList( (Widget)m_mainWidget, s );
}
-void wxListBox::Set(int n, const wxString *choices, char** clientData)
+void wxListBox::DoClear()
{
- m_noItems = n;
+ if (!m_noItems)
+ return;
+
+ wxSizeKeeper sk( this );
+ Widget listBox = (Widget) m_mainWidget;
- // TODO
+ XmListDeleteAllItems (listBox);
+
+ sk.Restore();
+
+ wxListBoxBase::DoClear();
+ m_noItems = 0;
}
-int wxListBox::FindString(const wxString& s) const
+void wxListBox::DoSetSelection(int N, bool select)
{
- // TODO
- return -1;
+ m_inSetValue = true;
+ if (select)
+ {
+#if 0
+ if (m_windowStyle & wxLB_MULTIPLE)
+ {
+ int *selections = NULL;
+ int n = GetSelections (&selections);
+
+ // This hack is supposed to work, to make it possible
+ // to select more than one item, but it DOESN'T under Motif 1.1.
+
+ XtVaSetValues ((Widget) m_mainWidget,
+ XmNselectionPolicy, XmMULTIPLE_SELECT,
+ NULL);
+
+ int i;
+ for (i = 0; i < n; i++)
+ XmListSelectPos ((Widget) m_mainWidget,
+ selections[i] + 1, False);
+
+ XmListSelectPos ((Widget) m_mainWidget, N + 1, False);
+
+ XtVaSetValues ((Widget) m_mainWidget,
+ XmNselectionPolicy, XmEXTENDED_SELECT,
+ NULL);
+ }
+ else
+#endif // 0
+ XmListSelectPos ((Widget) m_mainWidget, N + 1, False);
+
+ }
+ else
+ XmListDeselectPos ((Widget) m_mainWidget, N + 1);
+
+ m_inSetValue = false;
}
-void wxListBox::Clear()
+bool wxListBox::IsSelected(int N) const
{
- m_noItems = 0;
- // TODO
+ // In Motif, no simple way to determine if the item is selected.
+ wxArrayInt theSelections;
+ int count = GetSelections (theSelections);
+ if (count == 0)
+ return false;
+ else
+ {
+ int j;
+ for (j = 0; j < count; j++)
+ if (theSelections[j] == N)
+ return true;
+ }
+ return false;
}
-void wxListBox::SetSelection(int N, bool select)
+// Return number of selections and an array of selected integers
+int wxListBox::GetSelections(wxArrayInt& aSelections) const
{
- // TODO
+ aSelections.Empty();
+
+ Widget listBox = (Widget) m_mainWidget;
+ int *posList = NULL;
+ int posCnt = 0;
+ bool flag = XmListGetSelectedPos (listBox, &posList, &posCnt);
+ if (flag)
+ {
+ if (posCnt > 0)
+ {
+ aSelections.Alloc(posCnt);
+
+ int i;
+ for (i = 0; i < posCnt; i++)
+ aSelections.Add(posList[i] - 1);
+
+ XtFree ((char *) posList);
+ return posCnt;
+ }
+ else
+ return 0;
+ }
+ else
+ return 0;
}
-bool wxListBox::Selected(int N) const
+// Get single selection, for single choice list items
+int wxDoGetSelectionInList(Widget listBox)
{
- // TODO
- return FALSE;
+ int *posList = NULL;
+ int posCnt = 0;
+ bool flag = XmListGetSelectedPos (listBox, &posList, &posCnt);
+ if (flag)
+ {
+ int id = -1;
+ if (posCnt > 0)
+ id = posList[0] - 1;
+ XtFree ((char *) posList);
+ return id;
+ }
+ else
+ return -1;
}
-void wxListBox::Deselect(int N)
+int wxListBox::GetSelection() const
{
- // TODO
+ return wxDoGetSelectionInList((Widget) m_mainWidget);
}
-char *wxListBox::GetClientData(int N) const
+// Find string for position
+wxString wxDoGetStringInList( Widget listBox, int n )
{
- // TODO
- return (char *)NULL;
+ XmString *strlist;
+ int count;
+ XtVaGetValues( listBox,
+ XmNitemCount, &count,
+ XmNitems, &strlist,
+ NULL );
+ if( n < count && n >= 0 )
+ return wxXmStringToString( strlist[n] );
+ else
+ return wxEmptyString;
}
-void wxListBox::SetClientData(int N, char *Client_data)
+wxString wxListBox::GetString(unsigned int n) const
{
- // TODO
+ return wxDoGetStringInList( (Widget)m_mainWidget, n );
}
-// Return number of selections and an array of selected integers
-int wxListBox::GetSelections(wxArrayInt& aSelections) const
+int wxListBox::DoInsertItems(const wxArrayStringsAdapter & items,
+ unsigned int pos,
+ void **clientData, wxClientDataType type)
{
- aSelections.Empty();
+ Widget listBox = (Widget) m_mainWidget;
-/* TODO
- if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
- {
- int no_sel = ??
- for ( int n = 0; n < no_sel; n++ )
- aSelections.Add(??);
+ const unsigned int numItems = items.GetCount();
- return no_sel;
- }
- else // single-selection listbox
+ XmString *text = new XmString[numItems];
+ unsigned int i;
+#if XmVersion > 1001
+ for (i = 0; i < numItems; i++)
{
- aSelections.Add(??);
+ text[i] = wxStringToXmString(items[i]);
+ }
+ XmListAddItemsUnselected(listBox, text, numItems, GetMotifPosition(pos));
+ InsertNewItemsClientData(pos, numItems, clientData, type);
+#else
+ AllocClientData(numItems);
- return 1;
+ unsigned int idx = pos;
+ for ( i = 0; i < numItems; i++, idx++ )
+ {
+ text[i] = wxStringToXmString(items[i]);
+ XmListAddItemUnselected(listBox, text[i], GetMotifPosition(idx));
+ InsertNewItemClientData(idx, clientData, i, type);
}
-*/
- return 0;
+#endif
+ for (i = 0; i < numItems; i++)
+ XmStringFree(text[i]);
+ delete[] text;
+
+ m_noItems += numItems;
+
+ SetSelectionPolicy();
+
+ return pos + numItems - 1;
}
-// Get single selection, for single choice list items
-int wxListBox::GetSelection() const
+void wxListBox::SetString(unsigned int n, const wxString& s)
{
- // TODO
- return -1;
+ wxSizeKeeper sk( this );
+ Widget listBox = (Widget) m_mainWidget;
+
+ 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);
+
+ sk.Restore();
}
-// Find string for position
-wxString wxListBox::GetString(int N) const
+void wxListBox::Command (wxCommandEvent & event)
{
- // TODO
- return wxString("");
+ if (event.GetExtraLong())
+ SetSelection (event.GetInt());
+ else
+ {
+ Deselect (event.GetInt());
+ return;
+ }
+ ProcessCommand (event);
}
-void wxListBox::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxListBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
+ XmListCallbackStruct * cbs)
{
- // TODO
+ wxListBox *item = (wxListBox *) clientData;
+
+ if (item->InSetValue())
+ return;
+
+ wxEventType evtType;
+
+ if( cbs->reason == XmCR_DEFAULT_ACTION )
+ evtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED;
+ else
+ evtType = wxEVT_COMMAND_LISTBOX_SELECTED;
+
+ int n = cbs->item_position - 1;
+ wxCommandEvent event (evtType, item->GetId());
+ if ( item->HasClientObjectData() )
+ event.SetClientObject( item->GetClientObject(n) );
+ else if ( item->HasClientUntypedData() )
+ event.SetClientData( item->GetClientData(n) );
+ event.SetInt(n);
+ event.SetExtraLong(true);
+ event.SetEventObject(item);
+ event.SetString( item->GetString( n ) );
+
+ int x = -1;
+ if( NULL != cbs->event && cbs->event->type == ButtonRelease )
+ {
+ XButtonEvent* evt = (XButtonEvent*)cbs->event;
+
+ x = evt->x;
+ }
+
+ switch (cbs->reason)
+ {
+ case XmCR_MULTIPLE_SELECT:
+ case XmCR_BROWSE_SELECT:
+#if wxUSE_CHECKLISTBOX
+ item->DoToggleItem( n, x );
+#endif
+ case XmCR_DEFAULT_ACTION:
+ item->HandleWindowEvent(event);
+ break;
+ case XmCR_EXTENDED_SELECT:
+ switch (cbs->selection_type)
+ {
+ case XmINITIAL:
+ case XmADDITION:
+ case XmMODIFICATION:
+ item->DoToggleItem( n, x );
+ item->HandleWindowEvent(event);
+ break;
+ }
+ break;
+ }
}
-void wxListBox::InsertItems(int nItems, const wxString items[], int pos)
+WXWidget wxListBox::GetTopWidget() const
{
- m_noItems += nItems;
-
- // TODO
+ return (WXWidget) XtParent( (Widget) m_mainWidget );
}
-void wxListBox::SetString(int N, const wxString& s)
+void wxListBox::ChangeBackgroundColour()
{
- // TODO
+ wxWindow::ChangeBackgroundColour();
+
+ Widget parent = XtParent ((Widget) m_mainWidget);
+ Widget hsb, vsb;
+
+ XtVaGetValues (parent,
+ XmNhorizontalScrollBar, &hsb,
+ XmNverticalScrollBar, &vsb,
+ NULL);
+
+ /* TODO: should scrollbars be affected? Should probably have separate
+ * function to change them (by default, taken from wxSystemSettings)
+ */
+ wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+ wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
+ wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
+
+ XtVaSetValues (hsb,
+ XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
+ NULL);
+ XtVaSetValues (vsb,
+ XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
+ NULL);
+
+ // MBN: why change parent's background? It looks really ugly.
+ // wxDoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, true);
}
-int wxListBox::Number () const
+void wxListBox::ChangeForegroundColour()
{
- return m_noItems;
+ wxWindow::ChangeForegroundColour();
+
+ Widget parent = XtParent ((Widget) m_mainWidget);
+ Widget hsb, vsb;
+
+ XtVaGetValues(parent,
+ XmNhorizontalScrollBar, &hsb,
+ XmNverticalScrollBar, &vsb,
+ NULL);
+
+ /* TODO: should scrollbars be affected? Should probably have separate
+ function to change them (by default, taken from wxSystemSettings)
+
+ wxDoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
+ wxDoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
+ wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
+ */
}
-// For single selection items only
-wxString wxListBox::GetStringSelection () const
+unsigned int wxListBox::GetCount() const
{
- int sel = GetSelection ();
- if (sel > -1)
- return this->GetString (sel);
- else
- return wxString("");
+ return m_noItems;
}
-bool wxListBox::SetStringSelection (const wxString& s, bool flag)
+#define LIST_SCROLL_SPACING 6
+
+wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window )
{
- int sel = FindString (s);
- if (sel > -1)
+ 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 )
{
- SetSelection (sel, flag);
- return TRUE;
+ window->GetTextExtent( wxDoGetStringInList( listWidget, i ), &x, &y );
+ width = wxMax( width, x );
}
- else
- return FALSE;
+
+ // 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 );
}
-void wxListBox::Command (wxCommandEvent & event)
+wxSize wxListBox::DoGetBestSize() const
{
- if (event.m_extraLong)
- SetSelection (event.m_commandInt);
- else
- {
- Deselect (event.m_commandInt);
- return;
- }
- ProcessCommand (event);
+ return wxDoGetListBoxBestSize( (Widget)m_mainWidget, this );
}
+#endif // wxUSE_LISTBOX
projects / wxWidgets.git / blobdiff