Initial revision
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
932
src/generic/treectrl.cpp
Normal file
932
src/generic/treectrl.cpp
Normal file
@@ -0,0 +1,932 @@
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
// Name: treectrl.cpp
|
||||
// Purpose:
|
||||
// Author: Robert Roebling
|
||||
// Created: 01/02/97
|
||||
// Id:
|
||||
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
|
||||
// Licence: wxWindows licence
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifdef __GNUG__
|
||||
#pragma implementation "treectrl.h"
|
||||
#endif
|
||||
|
||||
#include "wx/treectrl.h"
|
||||
#include "wx/settings.h"
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// wxTreeItem
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxTreeItem, wxObject)
|
||||
|
||||
wxTreeItem::wxTreeItem(void)
|
||||
{
|
||||
m_mask = 0;
|
||||
m_itemId = 0;
|
||||
m_state = 0;
|
||||
m_stateMask = 0;
|
||||
m_image = -1;
|
||||
m_selectedImage = -1;
|
||||
m_children = 0;
|
||||
m_data = 0;
|
||||
};
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// wxTreeEvent
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent,wxCommandEvent)
|
||||
|
||||
wxTreeEvent::wxTreeEvent( WXTYPE commandType, int id ) :
|
||||
wxCommandEvent( commandType, id )
|
||||
{
|
||||
m_code = 0;
|
||||
m_oldItem = 0;
|
||||
};
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// wxGenericTreeItem
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxGenericTreeItem,wxObject)
|
||||
|
||||
wxGenericTreeItem::wxGenericTreeItem( wxGenericTreeItem *parent )
|
||||
{
|
||||
Reset();
|
||||
m_parent = parent;
|
||||
m_hasHilight = FALSE;
|
||||
};
|
||||
|
||||
wxGenericTreeItem::wxGenericTreeItem( wxGenericTreeItem *parent, const wxTreeItem& item, wxDC *dc )
|
||||
{
|
||||
Reset();
|
||||
SetItem( item, dc );
|
||||
m_parent = parent;
|
||||
m_hasHilight = FALSE;
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::SetItem( const wxTreeItem &item, wxDC *dc )
|
||||
{
|
||||
if ((item.m_mask & wxTREE_MASK_HANDLE) == wxTREE_MASK_HANDLE)
|
||||
m_itemId = item.m_itemId;
|
||||
if ((item.m_mask & wxTREE_MASK_STATE) == wxTREE_MASK_STATE)
|
||||
m_state = item.m_state;
|
||||
if ((item.m_mask & wxTREE_MASK_TEXT) == wxTREE_MASK_TEXT)
|
||||
m_text = item.m_text;
|
||||
if ((item.m_mask & wxTREE_MASK_IMAGE) == wxTREE_MASK_IMAGE)
|
||||
m_image = item.m_image;
|
||||
if ((item.m_mask & wxTREE_MASK_SELECTED_IMAGE) == wxTREE_MASK_SELECTED_IMAGE)
|
||||
m_selectedImage = item.m_selectedImage;
|
||||
if ((item.m_mask & wxTREE_MASK_CHILDREN) == wxTREE_MASK_CHILDREN)
|
||||
m_hasChildren = (item.m_children > 0);
|
||||
if ((item.m_mask & wxTREE_MASK_DATA) == wxTREE_MASK_DATA)
|
||||
m_data = item.m_data;
|
||||
long lw = 0;
|
||||
long lh = 0;
|
||||
dc->GetTextExtent( m_text, &lw, &lh );
|
||||
m_width = lw;
|
||||
m_height = lh;
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::SetText( const wxString &text, wxDC *dc )
|
||||
{
|
||||
m_text = text;
|
||||
long lw = 0;
|
||||
long lh = 0;
|
||||
dc->GetTextExtent( m_text, &lw, &lh );
|
||||
m_width = lw;
|
||||
m_height = lh;
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::Reset(void)
|
||||
{
|
||||
m_itemId = -1;
|
||||
m_state = 0;
|
||||
m_text = "";
|
||||
m_image = -1;
|
||||
m_selectedImage = -1;
|
||||
// m_children = 0;
|
||||
m_hasChildren = FALSE;
|
||||
m_data = 0;
|
||||
m_x = 0;
|
||||
m_y = 0;
|
||||
m_height = 0;
|
||||
m_width = 0;
|
||||
m_xCross = 0;
|
||||
m_yCross = 0;
|
||||
m_level = 0;
|
||||
m_children.DeleteContents( TRUE );
|
||||
m_parent = NULL;
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::GetItem( wxTreeItem &item ) const
|
||||
{
|
||||
if ((item.m_mask & wxTREE_MASK_STATE) == wxTREE_MASK_STATE)
|
||||
item.m_state = m_state;
|
||||
if ((item.m_mask & wxTREE_MASK_TEXT) == wxTREE_MASK_TEXT)
|
||||
item.m_text = m_text;
|
||||
if ((item.m_mask & wxTREE_MASK_IMAGE) == wxTREE_MASK_IMAGE)
|
||||
item.m_image = m_image;
|
||||
if ((item.m_mask & wxTREE_MASK_SELECTED_IMAGE) == wxTREE_MASK_SELECTED_IMAGE)
|
||||
item.m_selectedImage = m_selectedImage;
|
||||
if ((item.m_mask & wxTREE_MASK_CHILDREN) == wxTREE_MASK_CHILDREN)
|
||||
item.m_children = (int)m_hasChildren;
|
||||
if ((item.m_mask & wxTREE_MASK_DATA) == wxTREE_MASK_DATA)
|
||||
item.m_data = m_data;
|
||||
};
|
||||
|
||||
bool wxGenericTreeItem::HasChildren(void)
|
||||
{
|
||||
return m_hasChildren;
|
||||
};
|
||||
|
||||
bool wxGenericTreeItem::HasPlus(void)
|
||||
{
|
||||
return (m_hasChildren && (m_children.Number() == 0));
|
||||
};
|
||||
|
||||
int wxGenericTreeItem::NumberOfVisibleDescendents(void)
|
||||
{
|
||||
int ret = m_children.Number();
|
||||
wxNode *node = m_children.First();
|
||||
while (node)
|
||||
{
|
||||
wxGenericTreeItem *item = (wxGenericTreeItem*)node->Data();
|
||||
ret += item->NumberOfVisibleDescendents();
|
||||
node = node->Next();
|
||||
};
|
||||
return ret;
|
||||
};
|
||||
|
||||
int wxGenericTreeItem::NumberOfVisibleChildren(void)
|
||||
{
|
||||
return m_children.Number();
|
||||
};
|
||||
|
||||
wxGenericTreeItem *wxGenericTreeItem::FindItem( long itemId ) const
|
||||
{
|
||||
if (m_itemId == itemId) return (wxGenericTreeItem*)(this);
|
||||
wxNode *node = m_children.First();
|
||||
while (node)
|
||||
{
|
||||
wxGenericTreeItem *item = (wxGenericTreeItem*)node->Data();
|
||||
wxGenericTreeItem *res = item->FindItem( itemId );
|
||||
if (res) return (wxGenericTreeItem*)(res);
|
||||
node = node->Next();
|
||||
};
|
||||
return NULL;
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::AddChild( wxGenericTreeItem *child )
|
||||
{
|
||||
m_children.Append( child );
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::SetCross( int x, int y )
|
||||
{
|
||||
m_xCross = x;
|
||||
m_yCross = y;
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::GetSize( int &x, int &y )
|
||||
{
|
||||
if (y < m_y + 10) y = m_y +10;
|
||||
int width = m_x + m_width;
|
||||
if (width > x) x = width;
|
||||
wxNode *node = m_children.First();
|
||||
while (node)
|
||||
{
|
||||
wxGenericTreeItem *item = (wxGenericTreeItem*)node->Data();
|
||||
item->GetSize( x, y );
|
||||
node = node->Next();
|
||||
};
|
||||
};
|
||||
|
||||
long wxGenericTreeItem::HitTest( const wxPoint& point, int &flags )
|
||||
{
|
||||
if (m_parent && ((point.y > m_y) && (point.y < m_y+m_height)))
|
||||
{
|
||||
if ((point.x > m_xCross-5) &&
|
||||
(point.x < m_xCross+5) &&
|
||||
(point.y > m_yCross-5) &&
|
||||
(point.y < m_yCross+5) &&
|
||||
(m_hasChildren)
|
||||
)
|
||||
{
|
||||
flags = wxTREE_HITTEST_ONITEMBUTTON;
|
||||
return m_itemId;
|
||||
};
|
||||
if ((point.x > m_x) && (point.x < m_x+m_width))
|
||||
{
|
||||
flags = wxTREE_HITTEST_ONITEMLABEL;
|
||||
return m_itemId;
|
||||
};
|
||||
if (point.x > m_x)
|
||||
{
|
||||
flags = wxTREE_HITTEST_ONITEMRIGHT;
|
||||
return m_itemId;
|
||||
};
|
||||
flags = wxTREE_HITTEST_ONITEMINDENT;
|
||||
return m_itemId;
|
||||
}
|
||||
else
|
||||
{
|
||||
wxNode *node = m_children.First();
|
||||
while (node)
|
||||
{
|
||||
wxGenericTreeItem *child = (wxGenericTreeItem*)node->Data();
|
||||
long res = child->HitTest( point, flags );
|
||||
if (res != -1) return res;
|
||||
node = node->Next();
|
||||
};
|
||||
};
|
||||
return -1;
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::PrepareEvent( wxTreeEvent &event )
|
||||
{
|
||||
event.m_item.m_itemId = m_itemId;
|
||||
event.m_item.m_state = m_state;
|
||||
event.m_item.m_text = m_text;
|
||||
event.m_item.m_image = m_image;
|
||||
event.m_item.m_selectedImage = m_selectedImage;
|
||||
event.m_item.m_children = (int)m_hasChildren;
|
||||
event.m_item.m_data = m_data;
|
||||
event.m_oldItem = 0;
|
||||
event.m_code = 0;
|
||||
event.m_pointDrag.x = 0;
|
||||
event.m_pointDrag.y = 0;
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::SendKeyDown( wxWindow *target )
|
||||
{
|
||||
wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, target->GetId() );
|
||||
PrepareEvent( event );
|
||||
event.SetEventObject( target );
|
||||
target->ProcessEvent( event );
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::SendSelected( wxWindow *target )
|
||||
{
|
||||
wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGED, target->GetId() );
|
||||
PrepareEvent( event );
|
||||
event.SetEventObject( target );
|
||||
target->ProcessEvent( event );
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::SendDelete( wxWindow *target )
|
||||
{
|
||||
wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM,
|
||||
target->GetId() );
|
||||
PrepareEvent( event );
|
||||
event.SetEventObject( target );
|
||||
target->ProcessEvent( event );
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::SendExpand( wxWindow *target )
|
||||
{
|
||||
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDED,
|
||||
target->GetId() );
|
||||
PrepareEvent( event );
|
||||
event.SetEventObject( target );
|
||||
target->ProcessEvent( event );
|
||||
};
|
||||
|
||||
void wxGenericTreeItem::SetHilight( bool set )
|
||||
{
|
||||
m_hasHilight = set;
|
||||
};
|
||||
|
||||
bool wxGenericTreeItem::HasHilight(void)
|
||||
{
|
||||
return m_hasHilight;
|
||||
};
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// wxTreeCtrl
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl,wxScrolledWindow
|
||||
)
|
||||
|
||||
BEGIN_EVENT_TABLE(wxTreeCtrl,wxScrolledWindow)
|
||||
EVT_PAINT (wxTreeCtrl::OnPaint)
|
||||
EVT_MOUSE_EVENTS (wxTreeCtrl::OnMouse)
|
||||
EVT_CHAR (wxTreeCtrl::OnChar)
|
||||
EVT_SET_FOCUS (wxTreeCtrl::OnSetFocus)
|
||||
EVT_KILL_FOCUS (wxTreeCtrl::OnKillFocus)
|
||||
END_EVENT_TABLE()
|
||||
|
||||
wxTreeCtrl::wxTreeCtrl(void)
|
||||
{
|
||||
m_current = NULL;
|
||||
m_anchor = NULL;
|
||||
m_hasFocus = FALSE;
|
||||
m_xScroll = 0;
|
||||
m_yScroll = 0;
|
||||
m_lastId = 0;
|
||||
m_lineHeight = 10;
|
||||
m_indent = 15;
|
||||
m_isCreated = FALSE;
|
||||
m_dc = NULL;
|
||||
m_hilightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID );
|
||||
};
|
||||
|
||||
wxTreeCtrl::wxTreeCtrl(wxWindow *parent, const wxWindowID id,
|
||||
const wxPoint& pos,
|
||||
const wxSize& size,
|
||||
const long style, const wxString& name )
|
||||
{
|
||||
m_current = NULL;
|
||||
m_anchor = NULL;
|
||||
m_hasFocus = FALSE;
|
||||
m_xScroll = 0;
|
||||
m_yScroll = 0;
|
||||
m_lastId = 0;
|
||||
m_lineHeight = 10;
|
||||
m_indent = 15;
|
||||
m_isCreated = FALSE;
|
||||
m_dc = NULL;
|
||||
m_hilightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID );
|
||||
Create( parent, id, pos, size, style, name );
|
||||
};
|
||||
|
||||
wxTreeCtrl::~wxTreeCtrl(void)
|
||||
{
|
||||
if (m_dc) delete m_dc;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::Create(wxWindow *parent, const wxWindowID id,
|
||||
const wxPoint& pos,
|
||||
const wxSize& size,
|
||||
const long style
|
||||
, const wxString& name )
|
||||
{
|
||||
wxScrolledWindow::Create( parent, id, pos, size, style, name );
|
||||
SetBackgroundColour( *wxWHITE );
|
||||
m_dottedPen = wxPen( *wxBLACK, 0, 0 );
|
||||
return TRUE;
|
||||
};
|
||||
|
||||
int wxTreeCtrl::GetCount(void) const
|
||||
{
|
||||
if (!m_anchor) return 0;
|
||||
return m_anchor->NumberOfVisibleDescendents();
|
||||
};
|
||||
|
||||
long wxTreeCtrl::InsertItem( const long parent, const wxString& label, const int image,
|
||||
const int selImage, const long WXUNUSED(insertAfter) )
|
||||
{
|
||||
wxGenericTreeItem *p = NULL;
|
||||
if (parent == 0)
|
||||
{
|
||||
if (m_anchor) return -1;
|
||||
}
|
||||
else
|
||||
{
|
||||
p = FindItem( parent );
|
||||
if (!p) return -1;
|
||||
};
|
||||
wxTreeItem item;
|
||||
m_lastId++;
|
||||
item.m_mask = wxTREE_MASK_HANDLE;
|
||||
item.m_itemId = m_lastId;
|
||||
if (!label.IsNull() || (label == ""))
|
||||
{
|
||||
item.m_text = label;
|
||||
item.m_mask |= wxTREE_MASK_TEXT;
|
||||
};
|
||||
if (image >= 0)
|
||||
{
|
||||
item.m_image = image;
|
||||
item.m_mask |= wxTREE_MASK_IMAGE;
|
||||
};
|
||||
if (selImage >= 0)
|
||||
{
|
||||
item.m_selectedImage = selImage;
|
||||
item.m_mask |= wxTREE_MASK_SELECTED_IMAGE;
|
||||
};
|
||||
|
||||
wxClientDC dc(this);
|
||||
wxGenericTreeItem *new_child = new wxGenericTreeItem( p, item, &dc );
|
||||
if (p)
|
||||
p->AddChild( new_child );
|
||||
else
|
||||
m_anchor = new_child;
|
||||
|
||||
if (p)
|
||||
{
|
||||
CalculatePositions();
|
||||
|
||||
int ch = 0;
|
||||
GetClientSize( NULL, &ch );
|
||||
|
||||
wxRectangle rect;
|
||||
rect.x = 0; rect.y = 0;
|
||||
rect.width = 10000; rect.height = ch;
|
||||
|
||||
PrepareDC( dc );
|
||||
if (p->m_children.Number() == 1)
|
||||
{
|
||||
rect.y = dc.LogicalToDeviceY( p->m_y );
|
||||
}
|
||||
else
|
||||
{
|
||||
wxNode *node = p->m_children.Member( new_child )->Previous();
|
||||
wxGenericTreeItem* last_child = (wxGenericTreeItem*)node->Data();
|
||||
rect.y = dc.LogicalToDeviceY( last_child->m_y );
|
||||
};
|
||||
|
||||
long doX = 0;
|
||||
long doY = 0;
|
||||
dc.GetDeviceOrigin( &doX, &doY );
|
||||
rect.height = ch-rect.y-doY;
|
||||
|
||||
AdjustMyScrollbars();
|
||||
|
||||
if (rect.height > 0) Refresh( FALSE, &rect);
|
||||
}
|
||||
else
|
||||
{
|
||||
AdjustMyScrollbars();
|
||||
|
||||
Refresh();
|
||||
};
|
||||
|
||||
return m_lastId;
|
||||
};
|
||||
|
||||
long wxTreeCtrl::InsertItem( const long parent, wxTreeItem &info, const long WXUNUSED(insertAfter) )
|
||||
{
|
||||
int oldMask = info.m_mask;
|
||||
wxGenericTreeItem *p = NULL;
|
||||
if (parent == 0)
|
||||
{
|
||||
if (m_anchor) return -1;
|
||||
}
|
||||
else
|
||||
{
|
||||
p = FindItem( parent );
|
||||
if (!p)
|
||||
{
|
||||
printf( "TreeItem not found.\n" );
|
||||
return -1;
|
||||
};
|
||||
};
|
||||
long ret = 0;
|
||||
if ((info.m_mask & wxTREE_MASK_HANDLE) == 0)
|
||||
{
|
||||
m_lastId++;
|
||||
info.m_itemId = m_lastId;
|
||||
info.m_mask |= wxTREE_MASK_HANDLE;
|
||||
ret = m_lastId;
|
||||
}
|
||||
else
|
||||
{
|
||||
ret = info.m_itemId;
|
||||
};
|
||||
|
||||
wxClientDC dc(this);
|
||||
wxGenericTreeItem *new_child = new wxGenericTreeItem( p, info, &dc );
|
||||
if (p)
|
||||
p->AddChild( new_child );
|
||||
else
|
||||
m_anchor = new_child;
|
||||
|
||||
if (p)
|
||||
{
|
||||
CalculatePositions();
|
||||
|
||||
int ch = 0;
|
||||
GetClientSize( NULL, &ch );
|
||||
|
||||
wxRectangle rect;
|
||||
rect.x = 0; rect.y = 0;
|
||||
rect.width = 10000; rect.height = ch;
|
||||
|
||||
PrepareDC( dc );
|
||||
if (p->m_children.Number() == 1)
|
||||
{
|
||||
rect.y = dc.LogicalToDeviceY( p->m_y );
|
||||
}
|
||||
else
|
||||
{
|
||||
wxNode *node = p->m_children.Member( new_child )->Previous();
|
||||
wxGenericTreeItem* last_child = (wxGenericTreeItem*)node->Data();
|
||||
rect.y = dc.LogicalToDeviceY( last_child->m_y );
|
||||
};
|
||||
|
||||
long doX = 0;
|
||||
long doY = 0;
|
||||
dc.GetDeviceOrigin( &doX, &doY );
|
||||
rect.height = ch-rect.y-doY;
|
||||
|
||||
AdjustMyScrollbars();
|
||||
|
||||
if (rect.height > 0) Refresh( FALSE, &rect);
|
||||
}
|
||||
else
|
||||
{
|
||||
AdjustMyScrollbars();
|
||||
|
||||
Refresh();
|
||||
};
|
||||
|
||||
info.m_mask = oldMask;
|
||||
return ret;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::ExpandItem( const long item, const int action )
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( item );
|
||||
if (!i) return FALSE;
|
||||
switch (action)
|
||||
{
|
||||
case wxTREE_EXPAND_EXPAND:
|
||||
{
|
||||
i->SendExpand( this );
|
||||
break;
|
||||
};
|
||||
case wxTREE_EXPAND_COLLAPSE_RESET:
|
||||
case wxTREE_EXPAND_COLLAPSE:
|
||||
{
|
||||
wxNode *node = i->m_children.First();
|
||||
while (node)
|
||||
{
|
||||
wxGenericTreeItem *child = (wxGenericTreeItem*)node->Data();
|
||||
child->SendDelete( this );
|
||||
delete node;
|
||||
node = i->m_children.First();
|
||||
};
|
||||
|
||||
int cw = 0;
|
||||
int ch = 0;
|
||||
GetClientSize( &cw, &ch );
|
||||
wxRect rect;
|
||||
rect.x = 0;
|
||||
rect.width = cw;
|
||||
wxClientDC dc(this);
|
||||
PrepareDC(dc);
|
||||
rect.y = dc.LogicalToDeviceY( i->m_y );
|
||||
|
||||
long doY = 0;
|
||||
dc.GetDeviceOrigin( NULL, &doY );
|
||||
rect.height = ch-rect.y-doY;
|
||||
Refresh( TRUE, &rect );
|
||||
|
||||
AdjustMyScrollbars();
|
||||
break;
|
||||
};
|
||||
case wxTREE_EXPAND_TOGGLE:
|
||||
{
|
||||
if (i->HasPlus())
|
||||
ExpandItem( item, wxTREE_EXPAND_EXPAND );
|
||||
else
|
||||
ExpandItem( item, wxTREE_EXPAND_COLLAPSE );
|
||||
break;
|
||||
};
|
||||
};
|
||||
return TRUE;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::DeleteAllItems(void)
|
||||
{
|
||||
delete m_anchor;
|
||||
m_anchor = NULL;
|
||||
Refresh();
|
||||
return TRUE;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::GetItem( wxTreeItem &info ) const
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( info.m_itemId );
|
||||
if (!i) return FALSE;
|
||||
i->GetItem( info );
|
||||
return TRUE;
|
||||
};
|
||||
|
||||
long wxTreeCtrl::GetItemData( const long item ) const
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( item );
|
||||
if (!i) return 0;
|
||||
return i->m_data;
|
||||
};
|
||||
|
||||
wxString wxTreeCtrl::GetItemText( const long item ) const
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( item );
|
||||
if (!i) return "";
|
||||
return i->m_text;
|
||||
};
|
||||
|
||||
long wxTreeCtrl::GetParent( const long item ) const
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( item );
|
||||
if (!i) return -1;
|
||||
i = i->m_parent;
|
||||
if (!i) return -1;
|
||||
return i->m_parent->m_itemId;
|
||||
};
|
||||
|
||||
long wxTreeCtrl::GetRootItem(void) const
|
||||
{
|
||||
if (m_anchor) return m_anchor->m_itemId;
|
||||
return -1;
|
||||
};
|
||||
|
||||
long wxTreeCtrl::GetSelection(void) const
|
||||
{
|
||||
return 0;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::SelectItem( const long WXUNUSED(item) ) const
|
||||
{
|
||||
return FALSE;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::ItemHasChildren( const long item ) const
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( item );
|
||||
if (!i) return FALSE;
|
||||
return i->m_hasChildren;
|
||||
};
|
||||
|
||||
void wxTreeCtrl::SetIndent( const int indent )
|
||||
{
|
||||
m_indent = indent;
|
||||
Refresh();
|
||||
};
|
||||
|
||||
int wxTreeCtrl::GetIndent(void) const
|
||||
{
|
||||
return m_indent;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::SetItem( wxTreeItem &info )
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( info.m_itemId );
|
||||
if (!i) return FALSE;
|
||||
wxClientDC dc(this);
|
||||
i->SetItem( info, &dc );
|
||||
return TRUE;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::SetItemData( const long item, const long data )
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( item );
|
||||
if (!i) return FALSE;
|
||||
i->m_data = data;
|
||||
return TRUE;
|
||||
};
|
||||
|
||||
bool wxTreeCtrl::SetItemText( const long item, const wxString &text )
|
||||
{
|
||||
wxGenericTreeItem *i = FindItem( item );
|
||||
if (!i) return FALSE;
|
||||
wxClientDC dc(this);
|
||||
i->SetText( text, &dc );
|
||||
return TRUE;
|
||||
};
|
||||
|
||||
long wxTreeCtrl::HitTest( const wxPoint& point, int &flags )
|
||||
{
|
||||
flags = 0;
|
||||
if (!m_anchor) return -1;
|
||||
return m_anchor->HitTest( point, flags );
|
||||
};
|
||||
|
||||
void wxTreeCtrl::AdjustMyScrollbars(void)
|
||||
{
|
||||
if (m_anchor)
|
||||
{
|
||||
int x = 0;
|
||||
int y = 0;
|
||||
m_anchor->GetSize( x, y );
|
||||
y += 2*m_lineHeight;
|
||||
int x_pos = GetScrollPos( wxHORIZONTAL );
|
||||
int y_pos = GetScrollPos( wxVERTICAL );
|
||||
SetScrollbars( 10, 10, x/10, y/10, x_pos, y_pos );
|
||||
}
|
||||
else
|
||||
{
|
||||
SetScrollbars( 0, 0, 0, 0 );
|
||||
};
|
||||
};
|
||||
|
||||
void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y )
|
||||
{
|
||||
int horizX = level*m_indent+10;
|
||||
int oldY = y;
|
||||
wxNode *node = item->m_children.First();
|
||||
while (node)
|
||||
{
|
||||
wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
|
||||
dc.SetPen( m_dottedPen );
|
||||
|
||||
child->SetCross( horizX+15, y );
|
||||
|
||||
if (!node->Next())
|
||||
{
|
||||
if (level != 0) oldY -= (m_lineHeight-5);
|
||||
dc.DrawLine( horizX, oldY, horizX, y );
|
||||
};
|
||||
|
||||
child->m_x = horizX+33;
|
||||
child->m_y = y-m_lineHeight/3;
|
||||
child->m_height = m_lineHeight;
|
||||
|
||||
if (IsExposed( 0, child->m_y-2, 10000, m_lineHeight+4 ))
|
||||
{
|
||||
int startX,endX;
|
||||
if ((node->Previous()) || (level != 0))
|
||||
startX = horizX; else startX = horizX-10;
|
||||
if (child->HasChildren())
|
||||
endX = horizX+10; else endX = horizX+30;
|
||||
dc.DrawLine( startX, y, endX, y );
|
||||
|
||||
if (child->HasChildren())
|
||||
{
|
||||
dc.DrawLine( horizX+20, y, horizX+30, y );
|
||||
dc.SetPen( *wxGREY_PEN );
|
||||
dc.DrawRectangle( horizX+10, y-4, 11, 9 );
|
||||
dc.SetPen( *wxBLACK_PEN );
|
||||
dc.DrawLine( horizX+13, y, horizX+17, y );
|
||||
if (child->HasPlus())
|
||||
dc.DrawLine( horizX+15, y-2, horizX+15, y+2 );
|
||||
};
|
||||
|
||||
if (child->HasHilight())
|
||||
{
|
||||
dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
|
||||
dc.SetBrush( *m_hilightBrush );
|
||||
if (m_hasFocus)
|
||||
dc.SetPen( wxBLACK_PEN );
|
||||
else
|
||||
dc.SetPen( wxTRANSPARENT_PEN );
|
||||
long tw = 0;
|
||||
long th = 0;
|
||||
dc.GetTextExtent( child->m_text, &tw, &th );
|
||||
dc.DrawRectangle( child->m_x-2, child->m_y-2, tw+4, th+4 );
|
||||
};
|
||||
|
||||
dc.DrawText( child->m_text, child->m_x, child->m_y );
|
||||
|
||||
if (child->HasHilight())
|
||||
{
|
||||
dc.SetTextForeground( *wxBLACK );
|
||||
dc.SetBrush( *wxWHITE_BRUSH );
|
||||
dc.SetPen( *wxBLACK_PEN );
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
y += m_lineHeight;
|
||||
if (child->NumberOfVisibleChildren() > 0)
|
||||
PaintLevel( child, dc, level+1, y );
|
||||
node = node->Next();
|
||||
};
|
||||
};
|
||||
|
||||
void wxTreeCtrl::OnPaint( const wxPaintEvent &WXUNUSED(event) )
|
||||
{
|
||||
if (!m_anchor) return;
|
||||
|
||||
if (!m_dc)
|
||||
{
|
||||
m_dc = new wxPaintDC(this);
|
||||
PrepareDC( *m_dc );
|
||||
};
|
||||
|
||||
m_dc->SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
|
||||
|
||||
m_dc->SetPen( m_dottedPen );
|
||||
m_lineHeight = (int)(m_dc->GetCharHeight() + 4);
|
||||
|
||||
int y = m_lineHeight / 2 + 2;
|
||||
PaintLevel( m_anchor, *m_dc, 0, y );
|
||||
};
|
||||
|
||||
void wxTreeCtrl::OnSetFocus( const wxFocusEvent &WXUNUSED(event) )
|
||||
{
|
||||
m_hasFocus = TRUE;
|
||||
if (m_current) RefreshLine( m_current );
|
||||
};
|
||||
|
||||
void wxTreeCtrl::OnKillFocus( const wxFocusEvent &WXUNUSED(event) )
|
||||
{
|
||||
m_hasFocus = FALSE;
|
||||
if (m_current) RefreshLine( m_current );
|
||||
};
|
||||
|
||||
void wxTreeCtrl::OnChar( wxKeyEvent &event )
|
||||
{
|
||||
event.Skip();
|
||||
};
|
||||
|
||||
void wxTreeCtrl::OnMouse( const wxMouseEvent &event )
|
||||
{
|
||||
if (!event.LeftDown() &&
|
||||
!event.LeftDClick()) return;
|
||||
|
||||
wxClientDC dc(this);
|
||||
PrepareDC(dc);
|
||||
long x = dc.DeviceToLogicalX( (long)event.GetX() );
|
||||
long y = dc.DeviceToLogicalY( (long)event.GetY() );
|
||||
|
||||
int flag = 0;
|
||||
long id = HitTest( wxPoint(x,y), flag );
|
||||
if (id == -1) return;
|
||||
wxGenericTreeItem *item = FindItem( id );
|
||||
|
||||
if (!item) return;
|
||||
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 );
|
||||
};
|
||||
|
||||
if (event.LeftDClick()) m_current->SendKeyDown( this );
|
||||
|
||||
if (flag == wxTREE_HITTEST_ONITEMBUTTON)
|
||||
{
|
||||
ExpandItem( item->m_itemId, wxTREE_EXPAND_TOGGLE );
|
||||
return;
|
||||
};
|
||||
};
|
||||
|
||||
void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y )
|
||||
{
|
||||
int horizX = level*m_indent+10;
|
||||
wxNode *node = item->m_children.First();
|
||||
while (node)
|
||||
{
|
||||
wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
|
||||
dc.SetPen( m_dottedPen );
|
||||
|
||||
int startX,endX;
|
||||
if ((node->Previous()) || (level != 0))
|
||||
startX = horizX; else startX = horizX-10;
|
||||
if (child->HasChildren())
|
||||
endX = horizX+10; else endX = horizX+30;
|
||||
|
||||
child->m_x = horizX+33;
|
||||
child->m_y = y-m_lineHeight/3-2;
|
||||
child->m_height = m_lineHeight;
|
||||
|
||||
y += m_lineHeight;
|
||||
if (child->NumberOfVisibleChildren() > 0)
|
||||
CalculateLevel( child, dc, level+1, y );
|
||||
|
||||
node = node->Next();
|
||||
};
|
||||
};
|
||||
|
||||
void wxTreeCtrl::CalculatePositions(void)
|
||||
{
|
||||
if (!m_anchor) return;
|
||||
|
||||
wxClientDC dc(this);
|
||||
PrepareDC( dc );
|
||||
|
||||
dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
|
||||
|
||||
dc.SetPen( m_dottedPen );
|
||||
m_lineHeight = (int)(dc.GetCharHeight() + 4);
|
||||
|
||||
int y = m_lineHeight / 2 + 2;
|
||||
CalculateLevel( m_anchor, dc, 0, y );
|
||||
};
|
||||
|
||||
wxGenericTreeItem *wxTreeCtrl::FindItem( long itemId ) const
|
||||
{
|
||||
if (!m_anchor) return NULL;
|
||||
return m_anchor->FindItem( itemId );
|
||||
};
|
||||
|
||||
void wxTreeCtrl::RefreshLine( wxGenericTreeItem *item )
|
||||
{
|
||||
if (!item) return;
|
||||
wxClientDC dc(this);
|
||||
PrepareDC( dc );
|
||||
wxRect rect;
|
||||
rect.x = dc.LogicalToDeviceX( item->m_x-2 );
|
||||
rect.y = dc.LogicalToDeviceY( item->m_y-2 );
|
||||
rect.width = 1000;
|
||||
rect.height = dc.GetCharHeight()+4;
|
||||
Refresh( TRUE, &rect );
|
||||
};
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user