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wxTreeControl::Get/SetSelection implemented

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@346 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1998-07-23 17:53:50 +00:00
parent 543e7dd22a
commit 389cdc7ae4
2 changed files with 64 additions and 43 deletions
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101
src/generic/treectrl.cpp
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@@ -3,7 +3,7 @@
// Purpose:
// Author: Robert Roebling
// Created: 01/02/97
// Id:
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
@@ -14,6 +14,7 @@
#include "wx/treectrl.h"
#include "wx/settings.h"
#include "wx/log.h"
//-----------------------------------------------------------------------------
// wxTreeItem
@@ -445,7 +446,7 @@ long wxTreeCtrl::InsertItem( long parent, const wxString& label, int image,
CalculatePositions();
if (!p->HasChildren()) p->m_hasChildren = TRUE;
int ch = 0;
GetClientSize( NULL, &ch );
@@ -524,7 +525,7 @@ long wxTreeCtrl::InsertItem( long parent, wxTreeItem &info, long WXUNUSED(insert
if (p)
{
CalculatePositions();
if (!p->HasChildren()) p->m_hasChildren = TRUE;
int ch = 0;
@@ -593,7 +594,7 @@ bool wxTreeCtrl::ExpandItem( long item, int action )
};
CalculatePositions();
i->SendCollapse( this );
break;
}
@@ -632,9 +633,9 @@ void wxTreeCtrl::DeleteItem( long item )
{
wxGenericTreeItem *pItem = FindItem( item );
wxCHECK_RET( pItem != NULL, "wxTreeCtrl::DeleteItem: no such pItem." );
pItem->m_parent->m_children.DeleteObject(pItem);
Refresh();
}
@@ -642,9 +643,9 @@ void wxTreeCtrl::DeleteChildren( long item )
{
wxGenericTreeItem *pItem = FindItem( item );
wxCHECK_RET( pItem != NULL, "wxTreeCtrl::DeleteChildren: no such pItem." );
pItem->m_children.Clear();
Refresh();
}
@@ -701,14 +702,41 @@ long wxTreeCtrl::GetRootItem() const
long wxTreeCtrl::GetSelection() const
{
return 0;
return m_current ? m_current->GetItemId() : -1;
};
bool wxTreeCtrl::SelectItem( long WXUNUSED(item) ) const
bool wxTreeCtrl::SelectItem(long itemId)
{
return FALSE;
wxGenericTreeItem *pItem = FindItem(itemId);
if ( !pItem ) {
wxLogDebug("Can't select an item %d which doesn't exist.", itemId);
return FALSE;
}
SelectItem(pItem, FALSE /* no events */);
return TRUE;
};
void wxTreeCtrl::SelectItem(wxGenericTreeItem *item, bool bDoEvents)
{
if (m_current != item)
{
if (m_current)
{
m_current->SetHilight( FALSE );
RefreshLine( m_current );
};
m_current = item;
m_current->SetHilight( TRUE );
RefreshLine( m_current );
if ( bDoEvents )
m_current->SendSelected( this );
}
}
bool wxTreeCtrl::ItemHasChildren( long item ) const
{
wxGenericTreeItem *i = FindItem( item );
@@ -811,22 +839,22 @@ void wxTreeCtrl::AdjustMyScrollbars()
void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y )
{
int horizX = level*m_indent;
item->m_x = horizX+33;
item->m_y = y-m_lineHeight/3;
item->m_height = m_lineHeight;
item->SetCross( horizX+15, y );
int oldY = y;
if (IsExposed( 0, item->m_y-2, 10000, m_lineHeight+4 ))
{
int startX = horizX;
int endX = horizX + 10;
if (!item->HasChildren()) endX += 20;
dc.DrawLine( startX, y, endX, y );
dc.DrawLine( startX, y, endX, y );
if (item->HasChildren())
{
@@ -846,24 +874,24 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level,
long tw, th;
dc.GetTextExtent( item->m_text, &tw, &th );
if (m_hasFocus)
{
{
dc.SetPen( *wxBLACK_PEN );
dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
}
else
{
dc.SetPen( *wxTRANSPARENT_PEN );
}
else
{
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
}
}
dc.DrawText( item->m_text, item->m_x, item->m_y );
dc.SetPen( *wxBLACK_PEN );
dc.SetTextForeground( *wxBLACK );
dc.SetBrush( *wxWHITE_BRUSH );
dc.SetBrush( *wxWHITE_BRUSH );
}
else
{
dc.SetPen( *wxTRANSPARENT_PEN );
dc.SetPen( *wxTRANSPARENT_PEN );
long tw, th;
dc.GetTextExtent( item->m_text, &tw, &th );
dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
@@ -874,8 +902,8 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level,
if (item->NumberOfVisibleChildren() == 0) return;
int semiOldY = y;
int semiOldY = y;
wxNode *node = item->m_children.First();
while (node)
{
@@ -883,9 +911,9 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level,
y += m_lineHeight;
semiOldY = y;
PaintLevel( child, dc, level+1, y );
node = node->Next();
};
@@ -948,18 +976,7 @@ void wxTreeCtrl::OnMouse( const wxMouseEvent &event )
if ((flag != wxTREE_HITTEST_ONITEMBUTTON) &&
(flag != wxTREE_HITTEST_ONITEMLABEL)) return;
if (m_current != item)
{
if (m_current)
{
m_current->SetHilight( FALSE );
RefreshLine( m_current );
};
m_current = item;
m_current->SetHilight( TRUE );
RefreshLine( m_current );
m_current->SendSelected( this );
};
SelectItem(item);
if (event.LeftDClick())
m_current->SendKeyDown( this );
@@ -974,18 +991,18 @@ void wxTreeCtrl::OnMouse( const wxMouseEvent &event )
void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y )
{
int horizX = level*m_indent;
item->m_x = horizX+33;
item->m_y = y-m_lineHeight/3-2;
item->m_height = m_lineHeight;
if (item->NumberOfVisibleChildren() == 0) return;
wxNode *node = item->m_children.First();
while (node)
{
wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
y += m_lineHeight;
CalculateLevel( child, dc, level+1, y );