#if wxUSE_TREECTRL
+#include "wx/treebase.h"
#include "wx/generic/treectlg.h"
+#include "wx/timer.h"
+#include "wx/textctrl.h"
#include "wx/imaglist.h"
#include "wx/settings.h"
-#include "wx/log.h"
-#include "wx/intl.h"
-#include "wx/dynarray.h"
-#include "wx/arrimpl.cpp"
#include "wx/dcclient.h"
-#include "wx/msgdlg.h"
// -----------------------------------------------------------------------------
// array types
class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl
{
public:
- wxTreeTextCtrl() { }
wxTreeTextCtrl( wxWindow *parent,
const wxWindowID id,
bool *accept,
private:
bool *m_accept;
wxString *m_res;
- wxGenericTreeCtrl *m_owner;
+ wxGenericTreeCtrl *m_owner;
wxString m_startValue;
DECLARE_EVENT_TABLE()
- DECLARE_DYNAMIC_CLASS(wxTreeTextCtrl);
};
// a tree item
// ctors & dtor
wxGenericTreeItem() { m_data = NULL; }
wxGenericTreeItem( wxGenericTreeItem *parent,
- const wxString& text,
- wxDC& dc,
- int image, int selImage,
- wxTreeItemData *data );
+ const wxString& text,
+ wxDC& dc,
+ int image,
+ int selImage,
+ wxTreeItemData *data );
~wxGenericTreeItem();
void SetHeight(int h) { m_height = h; }
void SetWidth(int w) { m_width = w; }
-
wxGenericTreeItem *GetParent() const { return m_parent; }
// operations
// deletes all children notifying the treectrl about it if !NULL
// pointer given
void DeleteChildren(wxGenericTreeCtrl *tree = NULL);
- // FIXME don't know what is it for
- void Reset();
// get count of all children (and grand children if 'recursively')
size_t GetChildrenCount(bool recursively = TRUE) const;
void Insert(wxGenericTreeItem *child, size_t index)
{ m_children.Insert(child, index); }
- void SetCross( int x, int y );
void GetSize( int &x, int &y, const wxGenericTreeCtrl* );
// return the item at given position (or NULL if no item), onButton is
// TRUE if the point belongs to the item's button, otherwise it lies
// on the button's label
- wxGenericTreeItem *HitTest( const wxPoint& point, const wxGenericTreeCtrl *, int &flags);
+ wxGenericTreeItem *HitTest( const wxPoint& point,
+ const wxGenericTreeCtrl *,
+ int &flags,
+ int level );
void Expand() { m_isCollapsed = FALSE; }
void Collapse() { m_isCollapsed = TRUE; }
wxTreeItemAttr& Attr()
{
if ( !m_attr )
+ {
m_attr = new wxTreeItemAttr;
-
+ m_ownsAttr = TRUE;
+ }
return *m_attr;
}
+ // set them
+ void SetAttributes(wxTreeItemAttr *attr)
+ {
+ if ( m_ownsAttr ) delete m_attr;
+ m_attr = attr;
+ m_ownsAttr = FALSE;
+ }
+ // set them and delete when done
+ void AssignAttributes(wxTreeItemAttr *attr)
+ {
+ SetAttributes(attr);
+ m_ownsAttr = TRUE;
+ }
private:
- wxString m_text;
+ // since there can be very many of these, we save size by chosing
+ // the smallest representation for the elements and by ordering
+ // the members to avoid padding.
+ wxString m_text; // label to be rendered for item
+
+ wxTreeItemData *m_data; // user-provided data
+
+ wxArrayGenericTreeItems m_children; // list of children
+ wxGenericTreeItem *m_parent; // parent of this item
+
+ wxTreeItemAttr *m_attr; // attributes???
// tree ctrl images for the normal, selected, expanded and
// expanded+selected states
- int m_images[wxTreeItemIcon_Max];
+ short m_images[wxTreeItemIcon_Max];
- wxTreeItemData *m_data;
+ wxCoord m_x; // (virtual) offset from top
+ short m_y; // (virtual) offset from left
+ short m_width; // width of this item
+ unsigned char m_height; // height of this item
// use bitfields to save size
int m_isCollapsed :1;
int m_hasPlus :1; // used for item which doesn't have
// children but has a [+] button
int m_isBold :1; // render the label in bold font
-
- wxCoord m_x, m_y;
- wxCoord m_height, m_width;
- int m_xCross, m_yCross;
- int m_level;
-
- wxArrayGenericTreeItems m_children;
- wxGenericTreeItem *m_parent;
-
- wxTreeItemAttr *m_attr;
+ int m_ownsAttr :1; // delete attribute when done
};
// =============================================================================
// wxTreeTextCtrl (internal)
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTreeTextCtrl,wxTextCtrl);
-
BEGIN_EVENT_TABLE(wxTreeTextCtrl,wxTextCtrl)
EVT_CHAR (wxTreeTextCtrl::OnChar)
EVT_KEY_UP (wxTreeTextCtrl::OnKeyUp)
int style,
const wxValidator& validator,
const wxString &name )
- : wxTextCtrl( parent, id, value, pos, size, style, validator, name )
+ : wxTextCtrl( parent, id, value, pos, size, style, validator, name )
{
m_res = res;
m_accept = accept;
void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
{
+ // TODO focus doesn't return to the wxTextCtrl when this closes...
if (event.m_keyCode == WXK_RETURN)
{
(*m_accept) = TRUE;
(*m_res) = GetValue();
- if (!wxPendingDelete.Member(this))
- wxPendingDelete.Append(this);
-
if ((*m_accept) && ((*m_res) != m_startValue))
m_owner->OnRenameAccept();
+ if (!wxPendingDelete.Member(this))
+ wxPendingDelete.Append(this);
+
return;
}
if (event.m_keyCode == WXK_ESCAPE)
m_owner->OnRenameAccept();
}
-#if 0
-// -----------------------------------------------------------------------------
-// wxTreeEvent
-// -----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
-
-wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
- : wxNotifyEvent( commandType, id )
-{
- m_code = 0;
- m_itemOld = (wxGenericTreeItem *)NULL;
-}
-#endif
-
// -----------------------------------------------------------------------------
// wxGenericTreeItem
// -----------------------------------------------------------------------------
m_data = data;
m_x = m_y = 0;
- m_xCross = m_yCross = 0;
-
- m_level = 0;
m_isCollapsed = TRUE;
m_hasHilight = FALSE;
m_parent = parent;
m_attr = (wxTreeItemAttr *)NULL;
+ m_ownsAttr = FALSE;
// We don't know the height here yet.
m_width = 0;
{
delete m_data;
- delete m_attr;
+ if (m_ownsAttr) delete m_attr;
wxASSERT_MSG( m_children.IsEmpty(),
wxT("please call DeleteChildren() before deleting the item") );
m_text = text;
}
-void wxGenericTreeItem::Reset()
-{
- m_text.Empty();
- for ( int i = 0; i < wxTreeItemIcon_Max; i++ )
- {
- m_images[i] = NO_IMAGE;
- }
-
- m_data = NULL;
- m_x = m_y =
- m_height = m_width = 0;
- m_xCross =
- m_yCross = 0;
-
- m_level = 0;
-
- DeleteChildren();
- m_isCollapsed = TRUE;
-
- m_parent = (wxGenericTreeItem *)NULL;
-}
-
size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
{
size_t count = m_children.Count();
return total;
}
-void wxGenericTreeItem::SetCross( int x, int y )
-{
- m_xCross = x;
- m_yCross = y;
-}
-
-void wxGenericTreeItem::GetSize( int &x, int &y, const wxGenericTreeCtrl *theTree )
+void wxGenericTreeItem::GetSize( int &x, int &y,
+ const wxGenericTreeCtrl *theButton )
{
- int bottomY=m_y+theTree->GetLineHeight(this);
+ int bottomY=m_y+theButton->GetLineHeight(this);
if ( y < bottomY ) y = bottomY;
int width = m_x + m_width;
if ( x < width ) x = width;
size_t count = m_children.Count();
for ( size_t n = 0; n < count; ++n )
{
- m_children[n]->GetSize( x, y, theTree );
+ m_children[n]->GetSize( x, y, theButton );
}
}
}
-wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point,
- const wxGenericTreeCtrl *theTree,
- int &flags)
+wxGenericTreeItem *wxGenericTreeItem::HitTest(const wxPoint& point,
+ const wxGenericTreeCtrl *theCtrl,
+ int &flags,
+ int level)
{
- if ((point.y > m_y) && (point.y < m_y + theTree->GetLineHeight(this)))
+ // for a hidden root node, don't evaluate it, but do evaluate children
+ if ( !(level == 0 && theCtrl->HasFlag(wxTR_HIDE_ROOT)) )
{
- if (point.y < m_y+theTree->GetLineHeight(this)/2 )
- flags |= wxTREE_HITTEST_ONITEMUPPERPART;
- else
- flags |= wxTREE_HITTEST_ONITEMLOWERPART;
-
- // 5 is the size of the plus sign
- if ((point.x > m_xCross-5) && (point.x < m_xCross+5) &&
- (point.y > m_yCross-5) && (point.y < m_yCross+5) &&
- (IsExpanded() || HasPlus()))
+ // evaluate the item
+ int h = theCtrl->GetLineHeight(this);
+ if ((point.y > m_y) && (point.y < m_y + h))
{
- flags|=wxTREE_HITTEST_ONITEMBUTTON;
- return this;
- }
+ int y_mid = m_y + h/2;
+ if (point.y < y_mid )
+ flags |= wxTREE_HITTEST_ONITEMUPPERPART;
+ else
+ flags |= wxTREE_HITTEST_ONITEMLOWERPART;
- if ((point.x >= m_x) && (point.x <= m_x+m_width))
- {
- int image_w = -1;
- int image_h;
+ // 5 is the size of the plus sign
+ int xCross = m_x - theCtrl->GetSpacing();
+ if ((point.x > xCross-5) && (point.x < xCross+5) &&
+ (point.y > y_mid-5) && (point.y < y_mid+5) &&
+ HasPlus() && theCtrl->HasButtons() )
+ {
+ flags |= wxTREE_HITTEST_ONITEMBUTTON;
+ return this;
+ }
- // assuming every image (normal and selected ) has the same size !
- if ( (GetImage() != NO_IMAGE) && theTree->m_imageListNormal )
- theTree->m_imageListNormal->GetSize(GetImage(), image_w, image_h);
+ if ((point.x >= m_x) && (point.x <= m_x+m_width))
+ {
+ int image_w = -1;
+ int image_h;
- if ((image_w != -1) && (point.x <= m_x + image_w + 1))
- flags |= wxTREE_HITTEST_ONITEMICON;
- else
- flags |= wxTREE_HITTEST_ONITEMLABEL;
+ // assuming every image (normal and selected) has the same size!
+ if ( (GetImage() != NO_IMAGE) && theCtrl->m_imageListNormal )
+ theCtrl->m_imageListNormal->GetSize(GetImage(),
+ image_w, image_h);
+
+ if ((image_w != -1) && (point.x <= m_x + image_w + 1))
+ flags |= wxTREE_HITTEST_ONITEMICON;
+ else
+ flags |= wxTREE_HITTEST_ONITEMLABEL;
+
+ return this;
+ }
+
+ if (point.x < m_x)
+ flags |= wxTREE_HITTEST_ONITEMINDENT;
+ if (point.x > m_x+m_width)
+ flags |= wxTREE_HITTEST_ONITEMRIGHT;
return this;
}
- if (point.x < m_x)
- flags |= wxTREE_HITTEST_ONITEMINDENT;
- if (point.x > m_x+m_width)
- flags |= wxTREE_HITTEST_ONITEMRIGHT;
-
- return this;
+ // if children are expanded, fall through to evaluate them
+ if (m_isCollapsed) return (wxGenericTreeItem*) NULL;
}
- else
+
+ // evaluate children
+ size_t count = m_children.Count();
+ for ( size_t n = 0; n < count; n++ )
{
- if (!m_isCollapsed)
- {
- size_t count = m_children.Count();
- for ( size_t n = 0; n < count; n++ )
- {
- wxGenericTreeItem *res = m_children[n]->HitTest( point, theTree, flags );
- if ( res != NULL )
- return res;
- }
- }
+ wxGenericTreeItem *res = m_children[n]->HitTest( point,
+ theCtrl,
+ flags,
+ level + 1 );
+ if ( res != NULL )
+ return res;
}
- flags|=wxTREE_HITTEST_NOWHERE;
-
return (wxGenericTreeItem*) NULL;
}
image = GetImage(wxTreeItemIcon_Selected);
}
- // may be it doesn't have the specific image we want, try the default one
- // instead
- if ( image == NO_IMAGE )
- {
- image = GetImage();
- }
+ // maybe it doesn't have the specific image we want,
+ // try the default one instead
+ if ( image == NO_IMAGE ) image = GetImage();
return image;
}
EVT_IDLE (wxGenericTreeCtrl::OnIdle)
END_EVENT_TABLE()
-#if !defined(__WXMSW__) || defined(__WIN16__)
+#if !defined(__WXMSW__) || defined(__WIN16__) || defined(__WXUNIVERSAL__)
/*
* wxTreeCtrl has to be a real class or we have problems with
* the run-time information.
void wxGenericTreeCtrl::Init()
{
- m_current =
- m_key_current =
- m_anchor = (wxGenericTreeItem *) NULL;
+ m_current = m_key_current = m_anchor = (wxGenericTreeItem *) NULL;
m_hasFocus = FALSE;
m_dirty = FALSE;
- m_xScroll = 0;
- m_yScroll = 0;
m_lineHeight = 10;
m_indent = 15;
m_spacing = 18;
m_hilightBrush = new wxBrush
- (
- wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT),
- wxSOLID
- );
-
- m_imageListNormal =
+ (
+ wxSystemSettings::GetSystemColour
+ (
+ wxSYS_COLOUR_HIGHLIGHT
+ ),
+ wxSOLID
+ );
+
+ m_hilightUnfocusedBrush = new wxBrush
+ (
+ wxSystemSettings::GetSystemColour
+ (
+ wxSYS_COLOUR_BTNSHADOW
+ ),
+ wxSOLID
+ );
+
+ m_imageListNormal = m_imageListButtons =
m_imageListState = (wxImageList *) NULL;
- m_ownsImageListNormal =
+ m_ownsImageListNormal = m_ownsImageListButtons =
m_ownsImageListState = FALSE;
m_dragCount = 0;
m_isDragging = FALSE;
- m_dropTarget =
- m_oldSelection = (wxGenericTreeItem *)NULL;
+ m_dropTarget = m_oldSelection = (wxGenericTreeItem *)NULL;
m_renameTimer = new wxTreeRenameTimer( this );
m_lastOnSame = FALSE;
m_normalFont = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT );
m_boldFont = wxFont( m_normalFont.GetPointSize(),
- m_normalFont.GetFamily(),
- m_normalFont.GetStyle(),
- wxBOLD,
- m_normalFont.GetUnderlined());
+ m_normalFont.GetFamily(),
+ m_normalFont.GetStyle(),
+ wxBOLD,
+ m_normalFont.GetUnderlined());
}
-bool wxGenericTreeCtrl::Create(wxWindow *parent, wxWindowID id,
- const wxPoint& pos, const wxSize& size,
- long style,
- const wxValidator &validator,
- const wxString& name )
+bool wxGenericTreeCtrl::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator &validator,
+ const wxString& name )
{
- wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name );
+ wxScrolledWindow::Create( parent, id, pos, size,
+ style|wxHSCROLL|wxVSCROLL, name );
+
+ // If the tree display has no buttons, but does have
+ // connecting lines, we can use a narrower layout.
+ // It may not be a good idea to force this...
+ if (!HasButtons() && !HasFlag(wxTR_NO_LINES))
+ {
+ m_indent= 10;
+ m_spacing = 10;
+ }
#if wxUSE_VALIDATORS
SetValidator( validator );
SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
// m_dottedPen = wxPen( "grey", 0, wxDOT ); too slow under XFree86
- m_dottedPen = wxPen( "grey", 0, 0 );
+ m_dottedPen = wxPen( wxT("grey"), 0, 0 );
return TRUE;
}
wxGenericTreeCtrl::~wxGenericTreeCtrl()
{
- wxDELETE( m_hilightBrush );
+ delete m_hilightBrush;
+ delete m_hilightUnfocusedBrush;
DeleteAllItems();
delete m_renameTimer;
if (m_ownsImageListNormal) delete m_imageListNormal;
if (m_ownsImageListState) delete m_imageListState;
+ if (m_ownsImageListButtons) delete m_imageListButtons;
}
// -----------------------------------------------------------------------------
return ((wxGenericTreeItem*) item.m_pItem)->GetChildrenCount(recursively);
}
+void wxGenericTreeCtrl::SetWindowStyle(const long styles)
+{
+ // right now, just sets the styles. Eventually, we may
+ // want to update the inherited styles, but right now
+ // none of the parents has updatable styles
+ m_windowStyle = styles;
+ m_dirty = TRUE;
+}
+
// -----------------------------------------------------------------------------
// functions to work with tree items
// -----------------------------------------------------------------------------
wxTreeItemId wxGenericTreeCtrl::GetParent(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- return ((wxGenericTreeItem*) item.m_pItem)->GetParent();
+ return ((wxGenericTreeItem*) item.m_pItem)->GetParent();
}
wxTreeItemId wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- cookie = 0;
- return GetNextChild(item, cookie);
+ cookie = 0;
+ return GetNextChild(item, cookie);
}
wxTreeItemId wxGenericTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- wxArrayGenericTreeItems& children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
- if ( (size_t)cookie < children.Count() )
- {
- return children.Item((size_t)cookie++);
- }
- else
- {
- // there are no more of them
- return wxTreeItemId();
- }
+ wxArrayGenericTreeItems& children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
+ if ( (size_t)cookie < children.Count() )
+ {
+ return children.Item((size_t)cookie++);
+ }
+ else
+ {
+ // there are no more of them
+ return wxTreeItemId();
+ }
}
wxTreeItemId wxGenericTreeCtrl::GetLastChild(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- wxArrayGenericTreeItems& children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
- return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
+ wxArrayGenericTreeItems& children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
+ return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
}
wxTreeItemId wxGenericTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
- wxGenericTreeItem *parent = i->GetParent();
- if ( parent == NULL )
- {
- // root item doesn't have any siblings
- return wxTreeItemId();
- }
+ wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
+ wxGenericTreeItem *parent = i->GetParent();
+ if ( parent == NULL )
+ {
+ // root item doesn't have any siblings
+ return wxTreeItemId();
+ }
- wxArrayGenericTreeItems& siblings = parent->GetChildren();
- int index = siblings.Index(i);
- wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
+ wxArrayGenericTreeItems& siblings = parent->GetChildren();
+ int index = siblings.Index(i);
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
- size_t n = (size_t)(index + 1);
- return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
+ size_t n = (size_t)(index + 1);
+ return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
}
wxTreeItemId wxGenericTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
- wxGenericTreeItem *parent = i->GetParent();
- if ( parent == NULL )
- {
- // root item doesn't have any siblings
- return wxTreeItemId();
- }
+ wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
+ wxGenericTreeItem *parent = i->GetParent();
+ if ( parent == NULL )
+ {
+ // root item doesn't have any siblings
+ return wxTreeItemId();
+ }
- wxArrayGenericTreeItems& siblings = parent->GetChildren();
- int index = siblings.Index(i);
- wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
+ wxArrayGenericTreeItems& siblings = parent->GetChildren();
+ int index = siblings.Index(i);
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
- return index == 0 ? wxTreeItemId()
- : wxTreeItemId(siblings[(size_t)(index - 1)]);
+ return index == 0 ? wxTreeItemId()
+ : wxTreeItemId(siblings[(size_t)(index - 1)]);
}
// Only for internal use right now, but should probably be public
wxTreeItemId wxGenericTreeCtrl::GetNext(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
-
- // First see if there are any children.
- wxArrayGenericTreeItems& children = i->GetChildren();
- if (children.GetCount() > 0)
- {
- return children.Item(0);
- }
- else
- {
- // Try a sibling of this or ancestor instead
- wxTreeItemId p = item;
- wxTreeItemId toFind;
- do
- {
- toFind = GetNextSibling(p);
- p = GetParent(p);
- } while (p.IsOk() && !toFind.IsOk());
- return toFind;
- }
-}
-
-wxTreeItemId wxGenericTreeCtrl::GetPrev(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- wxFAIL_MSG(wxT("not implemented"));
+ wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
- return wxTreeItemId();
+ // First see if there are any children.
+ wxArrayGenericTreeItems& children = i->GetChildren();
+ if (children.GetCount() > 0)
+ {
+ return children.Item(0);
+ }
+ else
+ {
+ // Try a sibling of this or ancestor instead
+ wxTreeItemId p = item;
+ wxTreeItemId toFind;
+ do
+ {
+ toFind = GetNextSibling(p);
+ p = GetParent(p);
+ } while (p.IsOk() && !toFind.IsOk());
+ return toFind;
+ }
}
wxTreeItemId wxGenericTreeCtrl::GetFirstVisibleItem() const
{
- wxTreeItemId id = GetRootItem();
- if (!id.IsOk())
- return id;
-
- do
- {
- if (IsVisible(id))
+ wxTreeItemId id = GetRootItem();
+ if (!id.IsOk())
return id;
- id = GetNext(id);
- } while (id.IsOk());
- return wxTreeItemId();
+ do
+ {
+ if (IsVisible(id))
+ return id;
+ id = GetNext(id);
+ } while (id.IsOk());
+
+ return wxTreeItemId();
}
wxTreeItemId wxGenericTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxTreeItemId id = item;
- while (id.IsOk())
- {
- id = GetNext(id);
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- if (id.IsOk() && IsVisible(id))
- return id;
- }
- return wxTreeItemId();
+ wxTreeItemId id = item;
+ if (id.IsOk())
+ {
+ while (id = GetNext(id), id.IsOk())
+ {
+ if (IsVisible(id))
+ return id;
+ }
+ }
+ return wxTreeItemId();
}
wxTreeItemId wxGenericTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
- wxFAIL_MSG(wxT("not implemented"));
+ wxFAIL_MSG(wxT("not implemented"));
- return wxTreeItemId();
+ return wxTreeItemId();
}
// -----------------------------------------------------------------------------
return AddRoot(text, image, selImage, data);
}
+ m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
+
wxClientDC dc(this);
wxGenericTreeItem *item =
new wxGenericTreeItem( parent, text, dc, image, selImage, data );
parent->Insert( item, previous );
- m_dirty = TRUE;
-
return item;
}
{
wxCHECK_MSG( !m_anchor, wxTreeItemId(), wxT("tree can have only one root") );
+ m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
+
wxClientDC dc(this);
m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc,
image, selImage, data);
+ if (HasFlag(wxTR_HIDE_ROOT))
+ {
+ // if root is hidden, make sure we can navigate
+ // into children
+ m_anchor->SetHasPlus();
+ Expand(m_anchor);
+ }
if ( data != NULL )
{
data->m_pItem = (long) m_anchor;
m_current->SetHilight( TRUE );
}
- m_dirty = TRUE;
-
return m_anchor;
}
void wxGenericTreeCtrl::DeleteChildren(const wxTreeItemId& itemId)
{
+ m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
+
wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
item->DeleteChildren(this);
-
- m_dirty = TRUE;
}
void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
{
+ m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
+
wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
- // don't stay with invalid m_key_current or we will crash in the next call
- // to OnChar()
+ // don't stay with invalid m_key_current or we will crash in
+ // the next call to OnChar()
bool changeKeyCurrent = FALSE;
wxGenericTreeItem *itemKey = m_key_current;
- while ( itemKey && !changeKeyCurrent )
+ while ( itemKey )
{
if ( itemKey == item )
{
// m_key_current is a descendant of the item being deleted
changeKeyCurrent = TRUE;
+ break;
}
- else
- {
- itemKey = itemKey->GetParent();
- }
+ itemKey = itemKey->GetParent();
}
wxGenericTreeItem *parent = item->GetParent();
item->DeleteChildren(this);
SendDeleteEvent(item);
delete item;
-
- m_dirty = TRUE;
}
void wxGenericTreeCtrl::DeleteAllItems()
{
if ( m_anchor )
{
+ m_dirty = TRUE;
+
m_anchor->DeleteChildren(this);
delete m_anchor;
m_anchor = NULL;
-
- m_dirty = TRUE;
}
}
item->Collapse();
+#if 0 // TODO why should items be collapsed recursively?
wxArrayGenericTreeItems& children = item->GetChildren();
size_t count = children.Count();
for ( size_t n = 0; n < count; n++ )
{
Collapse(children[n]);
}
+#endif
CalculatePositions();
// TODO : Here we don't send any selection mode yet !
if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
- return;
+ return;
wxTreeItemId parent = GetParent( itemId );
while (parent.IsOk())
{
if ( !m_current )
{
- m_current =
- m_key_current = (wxGenericTreeItem*) GetRootItem().m_pItem;
+ m_current = m_key_current = (wxGenericTreeItem*) GetRootItem().m_pItem;
}
// don't change the mark (m_current)
// Check if we need to toggle hilight (ctrl mode)
if (!unselect_others)
- select=!item->IsSelected();
+ select=!item->IsSelected();
m_current = m_key_current = item;
m_current->SetHilight(select);
size_t wxGenericTreeCtrl::GetSelections(wxArrayTreeItemIds &array) const
{
- array.Empty();
- wxTreeItemId idRoot = GetRootItem();
- if ( idRoot.IsOk() )
- {
- FillArray((wxGenericTreeItem*) idRoot.m_pItem, array);
- }
- //else: the tree is empty, so no selections
+ array.Empty();
+ wxTreeItemId idRoot = GetRootItem();
+ if ( idRoot.IsOk() )
+ {
+ FillArray((wxGenericTreeItem*) idRoot.m_pItem, array);
+ }
+ //else: the tree is empty, so no selections
- return array.Count();
+ return array.Count();
}
void wxGenericTreeCtrl::EnsureVisible(const wxTreeItemId& item)
wxArrayGenericTreeItems& children = item->GetChildren();
if ( children.Count() > 1 )
{
+ m_dirty = TRUE;
+
s_treeBeingSorted = this;
children.Sort(tree_ctrl_compare_func);
s_treeBeingSorted = NULL;
-
- m_dirty = TRUE;
}
//else: don't make the tree dirty as nothing changed
}
return m_imageListNormal;
}
+wxImageList *wxGenericTreeCtrl::GetButtonsImageList() const
+{
+ return m_imageListButtons;
+}
+
wxImageList *wxGenericTreeCtrl::GetStateImageList() const
{
return m_imageListState;
}
-void wxGenericTreeCtrl::SetImageList(wxImageList *imageList)
+void wxGenericTreeCtrl::CalculateLineHeight()
{
- if (m_ownsImageListNormal) delete m_imageListNormal;
-
- m_imageListNormal = imageList;
- m_ownsImageListNormal = FALSE;
-
- if ( !m_imageListNormal )
- return;
-
- // Calculate a m_lineHeight value from the image sizes.
- // May be toggle off. Then wxGenericTreeCtrl will spread when
- // necessary (which might look ugly).
wxClientDC dc(this);
m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int width = 0, height = 0,
- n = m_imageListNormal->GetImageCount();
- for (int i = 0; i < n ; i++)
+ if ( m_imageListNormal )
{
- m_imageListNormal->GetSize(i, width, height);
- if (height > m_lineHeight) m_lineHeight = height;
+ // Calculate a m_lineHeight value from the normal Image sizes.
+ // May be toggle off. Then wxGenericTreeCtrl will spread when
+ // necessary (which might look ugly).
+ int n = m_imageListNormal->GetImageCount();
+ for (int i = 0; i < n ; i++)
+ {
+ int width = 0, height = 0;
+ m_imageListNormal->GetSize(i, width, height);
+ if (height > m_lineHeight) m_lineHeight = height;
+ }
}
- if (m_lineHeight < 40)
+ if (m_imageListButtons)
+ {
+ // Calculate a m_lineHeight value from the Button image sizes.
+ // May be toggle off. Then wxGenericTreeCtrl will spread when
+ // necessary (which might look ugly).
+ int n = m_imageListButtons->GetImageCount();
+ for (int i = 0; i < n ; i++)
+ {
+ int width = 0, height = 0;
+ m_imageListButtons->GetSize(i, width, height);
+ if (height > m_lineHeight) m_lineHeight = height;
+ }
+ }
+
+ if (m_lineHeight < 30)
m_lineHeight += 2; // at least 2 pixels
else
m_lineHeight += m_lineHeight/10; // otherwise 10% extra spacing
}
+void wxGenericTreeCtrl::SetImageList(wxImageList *imageList)
+{
+ if (m_ownsImageListNormal) delete m_imageListNormal;
+ m_imageListNormal = imageList;
+ m_ownsImageListNormal = FALSE;
+ m_dirty = TRUE;
+ CalculateLineHeight();
+}
+
void wxGenericTreeCtrl::SetStateImageList(wxImageList *imageList)
{
if (m_ownsImageListState) delete m_imageListState;
m_ownsImageListState = FALSE;
}
+void wxGenericTreeCtrl::SetButtonsImageList(wxImageList *imageList)
+{
+ if (m_ownsImageListButtons) delete m_imageListButtons;
+ m_imageListButtons = imageList;
+ m_ownsImageListButtons = FALSE;
+ m_dirty = TRUE;
+ CalculateLineHeight();
+}
+
void wxGenericTreeCtrl::AssignImageList(wxImageList *imageList)
{
SetImageList(imageList);
m_ownsImageListState = TRUE;
}
+void wxGenericTreeCtrl::AssignButtonsImageList(wxImageList *imageList)
+{
+ SetButtonsImageList(imageList);
+ m_ownsImageListButtons = TRUE;
+}
+
// -----------------------------------------------------------------------------
// helpers
// -----------------------------------------------------------------------------
{
if (m_anchor)
{
- int x = 0;
- int y = 0;
+ int x = 0, y = 0;
m_anchor->GetSize( x, y, this );
y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
{
+ // TODO implement "state" icon on items
+
wxTreeItemAttr *attr = item->GetAttributes();
if ( attr && attr->HasFont() )
dc.SetFont(attr->GetFont());
else if (item->IsBold())
dc.SetFont(m_boldFont);
- long text_w = 0;
- long text_h = 0;
+ long text_w = 0, text_h = 0;
dc.GetTextExtent( item->GetText(), &text_w, &text_h );
- int image_h = 0;
- int image_w = 0;
+ int image_h = 0, image_w = 0;
int image = item->GetCurrentImage();
if ( image != NO_IMAGE )
{
int total_h = GetLineHeight(item);
- bool paintBg = item->IsSelected() && m_hasFocus;
- if ( paintBg )
+ if ( item->IsSelected() )
{
- dc.SetBrush(*m_hilightBrush);
+ dc.SetBrush(*(m_hasFocus ? m_hilightBrush : m_hilightUnfocusedBrush));
}
else
{
int offset = HasFlag(wxTR_ROW_LINES) ? 1 : 0;
- if ( item->IsSelected() && image != NO_IMAGE)
+ if ( item->IsSelected() && image != NO_IMAGE )
{
// If it's selected, and there's an image, then we should
// take care to leave the area under the image painted in the
// Now y stands for the top of the item, whereas it used to stand for middle !
void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
{
- int x = (level+1)*m_indent;
-
- item->SetX( x+m_spacing );
- item->SetY( y );
-
- int oldY = y;
- y+=GetLineHeight(item)/2;
+ int x = level*m_indent;
+ if (!HasFlag(wxTR_HIDE_ROOT))
+ {
+ x += m_indent;
+ }
+ else if (level == 0)
+ {
+ wxArrayGenericTreeItems& children = item->GetChildren();
+ size_t n, count = children.Count();
+ for (n = 0; n < count; ++n)
+ PaintLevel(children[n], dc, 1, y);
+ return;
+ }
- item->SetCross( x, y );
+ item->SetX(x+m_spacing);
+ item->SetY(y);
- int exposed_x = dc.LogicalToDeviceX( 0 );
- int exposed_y = dc.LogicalToDeviceY( item->GetY() );
+ int h = GetLineHeight(item);
+ int y_top = y;
+ int y_mid = y_top + (h>>1);
+ y += h;
- bool drawLines = (!HasFlag(wxTR_NO_LINES) && !HasFlag(wxTR_MAC_BUTTONS));
+ int exposed_x = dc.LogicalToDeviceX(0);
+ int exposed_y = dc.LogicalToDeviceY(y_top);
- if (IsExposed( exposed_x, exposed_y, 10000, GetLineHeight(item) )) // 10000 = very much
+ if (IsExposed(exposed_x, exposed_y, 10000, h)) // 10000 = very much
{
- int startX = x - m_indent;
- int endX = x-5;
-
- if (!item->HasChildren()) endX += 20;
-
- if (HasFlag( wxTR_MAC_BUTTONS ))
+ if (item->HasPlus() && HasButtons()) // should the item show a button?
{
- if (item->HasPlus())
+ if (!HasFlag(wxTR_NO_LINES))
{
- dc.SetPen( *wxBLACK_PEN );
- dc.SetBrush( *m_hilightBrush );
+ if (x > (signed)m_indent || HasFlag(wxTR_LINES_AT_ROOT))
+ dc.DrawLine(x - m_indent, y_mid, x - 5, y_mid);
+ dc.DrawLine(x + 5, y_mid, x + m_spacing, y_mid);
+ }
+
+ if (m_imageListButtons != NULL)
+ {
+ // draw the image button here
+ int image_h = 0, image_w = 0, image = wxCLOSED_BUTTON;
+ if (item->IsExpanded()) image = wxOPEN_BUTTON;
+ if (item->IsSelected())
+ image += wxOPEN_BUTTON_SELECTED - wxOPEN_BUTTON;
+ m_imageListButtons->GetSize(image, image_w, image_h);
+ int xx = x - (image_w>>1);
+ int yy = y_mid - (image_h>>1);
+ dc.SetClippingRegion(xx, yy, image_w, image_h);
+ m_imageListButtons->Draw(image, dc, xx, yy,
+ wxIMAGELIST_DRAW_TRANSPARENT);
+ dc.DestroyClippingRegion();
+ }
+ else if (HasFlag(wxTR_TWIST_BUTTONS))
+ {
+ // draw the twisty button here
+ dc.SetPen(*wxBLACK_PEN);
+ dc.SetBrush(*m_hilightBrush);
wxPoint button[3];
if (item->IsExpanded())
{
button[0].x = x-5;
- button[0].y = y-2;
+ button[0].y = y_mid-2;
button[1].x = x+5;
- button[1].y = y-2;
+ button[1].y = y_mid-2;
button[2].x = x;
- button[2].y = y+3;
+ button[2].y = y_mid+3;
}
else
{
- button[0].y = y-5;
+ button[0].y = y_mid-5;
button[0].x = x-2;
- button[1].y = y+5;
+ button[1].y = y_mid+5;
button[1].x = x-2;
- button[2].y = y;
+ button[2].y = y_mid;
button[2].x = x+3;
}
- dc.DrawPolygon( 3, button );
+ dc.DrawPolygon(3, button);
- dc.SetPen( m_dottedPen );
+ dc.SetPen(m_dottedPen);
}
- }
- else
- {
- if (drawLines)
- dc.DrawLine( startX, y, endX, y );
-
- if (item->HasPlus())
+ else // if (HasFlag(wxTR_HAS_BUTTONS))
{
- if (drawLines)
- dc.DrawLine( x+5, y, x+15, y );
- dc.SetPen( *wxGREY_PEN );
- dc.SetBrush( *wxWHITE_BRUSH );
- dc.DrawRectangle( x-5, y-4, 11, 9 );
-
- dc.SetPen( *wxBLACK_PEN );
- dc.DrawLine( x-2, y, x+3, y );
+ // draw the plus sign here
+ dc.SetPen(*wxGREY_PEN);
+ dc.SetBrush(*wxWHITE_BRUSH);
+ dc.DrawRectangle(x-5, y_mid-4, 11, 9);
+ dc.SetPen(*wxBLACK_PEN);
+ dc.DrawLine(x-2, y_mid, x+3, y_mid);
if (!item->IsExpanded())
- dc.DrawLine( x, y-2, x, y+3 );
- dc.SetPen( m_dottedPen );
+ dc.DrawLine(x, y_mid-2, x, y_mid+3);
+ dc.SetPen(m_dottedPen);
}
}
+ else if (!HasFlag(wxTR_NO_LINES)) // no button; maybe a line?
+ {
+ // draw the horizontal line here
+ int x_start = x;
+ if (x > (signed)m_indent || HasFlag(wxTR_LINES_AT_ROOT))
+ x_start -= m_indent;
+ dc.DrawLine(x_start, y_mid, x + m_spacing, y_mid);
+ }
- wxPen *pen;
+ wxPen *pen =
#ifndef __WXMAC__
- // don't draw rect outline if we already have the background color
- // under Max
- if ( item->IsSelected() )
- pen = wxBLACK_PEN;
- else
+ // don't draw rect outline if we already have the
+ // background color under Mac
+ (item->IsSelected() && m_hasFocus) ? wxBLACK_PEN :
#endif // !__WXMAC__
- pen = wxTRANSPARENT_PEN;
+ wxTRANSPARENT_PEN;
wxColour colText;
- if ( item->IsSelected() && m_hasFocus )
+ if ( item->IsSelected() )
{
- colText = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT );
+ colText = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
}
else
{
wxTreeItemAttr *attr = item->GetAttributes();
- if ( attr && attr->HasTextColour() )
+ if (attr && attr->HasTextColour())
colText = attr->GetTextColour();
else
- colText = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_WINDOWTEXT );
+ colText = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
}
// prepare to draw
// draw
PaintItem(item, dc);
- if (HasFlag( wxTR_ROW_LINES ))
+ if (HasFlag(wxTR_ROW_LINES))
{
- dc.SetPen( *wxWHITE_PEN );
- dc.DrawLine( 0, oldY, 10000, oldY );
- dc.DrawLine( 0, oldY + GetLineHeight(item), 10000, oldY + GetLineHeight(item) );
+ dc.SetPen(*wxWHITE_PEN);
+ dc.DrawLine(0, y_top, 10000, y_top);
+ dc.DrawLine(0, y, 10000, y);
}
// restore DC objects
- dc.SetBrush( *wxWHITE_BRUSH );
- dc.SetPen( m_dottedPen );
- dc.SetTextForeground( *wxBLACK );
+ dc.SetBrush(*wxWHITE_BRUSH);
+ dc.SetPen(m_dottedPen);
+ dc.SetTextForeground(*wxBLACK);
}
- y = oldY+GetLineHeight(item);
-
if (item->IsExpanded())
{
- oldY+=GetLineHeight(item)/2;
- int semiOldY=0;
-
wxArrayGenericTreeItems& children = item->GetChildren();
- size_t n, count = children.Count();
- for ( n = 0; n < count; ++n )
- {
- semiOldY=y;
- PaintLevel( children[n], dc, level+1, y );
- }
-
- // it may happen that the item is expanded but has no items (when you
- // delete all its children for example) - don't draw the vertical line
- // in this case
+ int count = children.Count();
if (count > 0)
{
- semiOldY+=GetLineHeight(children[--n])/2;
- if (drawLines)
- dc.DrawLine( x, oldY+5, x, semiOldY );
+ int n = 0, oldY;
+ ++level;
+ do {
+ oldY = y;
+ PaintLevel(children[n], dc, level, y);
+ } while (++n < count);
+
+ if (!HasFlag(wxTR_NO_LINES))
+ {
+ // draw line down to last child
+ oldY += GetLineHeight(children[n-1])/2;
+ if (HasButtons()) y_mid += 5;
+ dc.DrawLine(x, y_mid, x, oldY);
+ }
}
}
}
PaintLevel( m_anchor, dc, 0, y );
}
-void wxGenericTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
+void wxGenericTreeCtrl::OnSetFocus( wxFocusEvent &event )
{
m_hasFocus = TRUE;
- if (m_current)
- RefreshLine( m_current );
+ RefreshSelected();
+
+ event.Skip();
}
-void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
+void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent &event )
{
m_hasFocus = FALSE;
- if (m_current)
- RefreshLine( m_current );
+ RefreshSelected();
+
+ event.Skip();
}
void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
{
wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
- te.m_code = (int)event.KeyCode();
+ te.m_evtKey = event;
te.SetEventObject( this );
- GetEventHandler()->ProcessEvent( te );
+ if ( GetEventHandler()->ProcessEvent( te ) )
+ {
+ // intercepted by the user code
+ return;
+ }
if ( (m_current == 0) || (m_key_current == 0) )
{
{
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
event.m_item = (long) m_current;
- event.m_code = 0;
event.SetEventObject( this );
GetEventHandler()->ProcessEvent( event );
}
break;
- // up goes to the previous sibling or to the last of its children if
- // it's expanded
+ // up goes to the previous sibling or to the last
+ // of its children if it's expanded
case WXK_UP:
{
wxTreeItemId prev = GetPrevSibling( m_key_current );
if (!prev)
{
prev = GetParent( m_key_current );
+ if ((prev == GetRootItem()) && HasFlag(wxTR_HIDE_ROOT))
+ {
+ break; // don't go to root if it is hidden
+ }
if (prev)
{
- long cockie = 0;
+ long cookie = 0;
wxTreeItemId current = m_key_current;
- if (current == GetFirstChild( prev, cockie ))
+ // TODO: Huh? If we get here, we'd better be the first child of our parent. How else could it be?
+ if (current == GetFirstChild( prev, cookie ))
{
// otherwise we return to where we came from
SelectItem( prev, unselect_others, extended_select );
case WXK_LEFT:
{
wxTreeItemId prev = GetParent( m_current );
+ if ((prev == GetRootItem()) && HasFlag(wxTR_HIDE_ROOT))
+ {
+ // don't go to root if it is hidden
+ prev = GetPrevSibling( m_current );
+ }
if (prev)
{
EnsureVisible( prev );
break;
case WXK_RIGHT:
- // this works the same as the down arrow except that we also expand the
- // item if it wasn't expanded yet
+ // this works the same as the down arrow except that we
+ // also expand the item if it wasn't expanded yet
Expand(m_current);
// fall through
case WXK_HOME:
{
wxTreeItemId prev = GetRootItem();
- if (prev)
+ if (!prev) break;
+ if (HasFlag(wxTR_HIDE_ROOT))
{
- EnsureVisible( prev );
- SelectItem( prev, unselect_others, extended_select );
+ long dummy;
+ prev = GetFirstChild(prev, dummy);
+ if (!prev) break;
}
+ EnsureVisible( prev );
+ SelectItem( prev, unselect_others, extended_select );
}
break;
wxTreeItemId wxGenericTreeCtrl::HitTest(const wxPoint& point, int& flags)
{
- // We have to call this here because the label in
- // question might just have been added and no screen
- // update taken place.
- // JACS: removed this because the yield can cause the window to be
- // deleted from under us if a close window event is pending
- // if (m_dirty) wxYieldIfNeeded();
+ // JACS: removed wxYieldIfNeeded() because it can cause the window
+ // to be deleted from under us if a close window event is pending
- wxClientDC dc(this);
- PrepareDC(dc);
- wxCoord x = dc.DeviceToLogicalX( point.x );
- wxCoord y = dc.DeviceToLogicalY( point.y );
int w, h;
GetSize(&w, &h);
-
flags=0;
- if (point.x<0) flags|=wxTREE_HITTEST_TOLEFT;
- if (point.x>w) flags|=wxTREE_HITTEST_TORIGHT;
- if (point.y<0) flags|=wxTREE_HITTEST_ABOVE;
- if (point.y>h) flags|=wxTREE_HITTEST_BELOW;
+ if (point.x<0) flags |= wxTREE_HITTEST_TOLEFT;
+ if (point.x>w) flags |= wxTREE_HITTEST_TORIGHT;
+ if (point.y<0) flags |= wxTREE_HITTEST_ABOVE;
+ if (point.y>h) flags |= wxTREE_HITTEST_BELOW;
+ if (flags) return wxTreeItemId();
- if (m_anchor)
- return m_anchor->HitTest( wxPoint(x, y), this, flags);
+ if (m_anchor == NULL)
+ {
+ flags = wxTREE_HITTEST_NOWHERE;
+ return wxTreeItemId();
+ }
- return wxTreeItemId();
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ wxCoord x = dc.DeviceToLogicalX( point.x );
+ wxCoord y = dc.DeviceToLogicalY( point.y );
+ wxGenericTreeItem *hit = m_anchor->HitTest(wxPoint(x, y),
+ this,
+ flags,
+ 0 );
+ if (hit == NULL)
+ {
+ flags = wxTREE_HITTEST_NOWHERE;
+ return wxTreeItemId();
+ }
+ return hit;
}
// get the bounding rectangle of the item (or of its label only)
void wxGenericTreeCtrl::OnRenameAccept()
{
+ // TODO if the validator fails this causes a crash
wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() );
le.m_item = (long) m_currentEdit;
le.SetEventObject( this );
wxCoord y = dc.DeviceToLogicalY( event.GetY() );
int flags = 0;
- wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), this, flags);
+ wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y),
+ this,
+ flags,
+ 0 );
if ( event.Dragging() && !m_isDragging )
{
{
wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId());
nevent.m_item = (long) item;
- nevent.m_code = 0;
CalcScrolledPosition(x, y,
&nevent.m_pointDrag.x,
&nevent.m_pointDrag.y);
SelectItem(item, unselect_others, extended_select);
+ // For some reason, Windows isn't recognizing a left double-click,
+ // so we need to simulate it here. Allow 200 milliseconds for now.
if ( event.LeftDClick() )
{
// double clicking should not start editing the item label
m_renameTimer->Stop();
m_lastOnSame = FALSE;
+ // send activate event first
wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
nevent.m_item = (long) item;
- nevent.m_code = 0;
CalcScrolledPosition(x, y,
&nevent.m_pointDrag.x,
&nevent.m_pointDrag.y);
nevent.SetEventObject( this );
- GetEventHandler()->ProcessEvent( nevent );
+ if ( !GetEventHandler()->ProcessEvent( nevent ) )
+ {
+ // if the user code didn't process the activate event,
+ // handle it ourselves by toggling the item when it is
+ // double clicked
+ if ( item->HasPlus() )
+ {
+ Toggle(item);
+ }
+ }
}
}
}
/* after all changes have been done to the tree control,
* we actually redraw the tree when everything is over */
- if (!m_dirty)
- return;
+ if (!m_dirty) return;
m_dirty = FALSE;
int total_h = (image_h > text_h) ? image_h : text_h;
- if (total_h < 40)
+ if (total_h < 30)
total_h += 2; // at least 2 pixels
else
total_h += total_h/10; // otherwise 10% extra spacing
// not the middle of it !
void wxGenericTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
{
- int horizX = level*m_indent;
+ int x = level*m_indent;
+ if (!HasFlag(wxTR_HIDE_ROOT))
+ {
+ x += m_indent;
+ }
+ else if (level == 0)
+ {
+ // a hidden root is not evaluated, but its
+ // children are always calculated
+ goto Recurse;
+ }
CalculateSize( item, dc );
// set its position
- item->SetX( horizX+m_indent+m_spacing );
+ item->SetX( x+m_spacing );
item->SetY( y );
- y+=GetLineHeight(item);
+ y += GetLineHeight(item);
if ( !item->IsExpanded() )
{
- // we dont need to calculate collapsed branches
+ // we don't need to calculate collapsed branches
return;
}
+ Recurse:
wxArrayGenericTreeItems& children = item->GetChildren();
size_t n, count = children.Count();
+ ++level;
for (n = 0; n < count; ++n )
- CalculateLevel( children[n], dc, level+1, y ); // recurse
+ CalculateLevel( children[n], dc, level, y ); // recurse
}
void wxGenericTreeCtrl::CalculatePositions()
Refresh( TRUE, &rect );
}
+void wxGenericTreeCtrl::RefreshSelected()
+{
+ // TODO: this is awfully inefficient, we should keep the list of all
+ // selected items internally, should be much faster
+ if ( m_anchor )
+ RefreshSelectedUnder(m_anchor);
+}
+
+void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
+{
+ if ( item->IsSelected() )
+ RefreshLine(item);
+
+ const wxArrayGenericTreeItems& children = item->GetChildren();
+ size_t count = children.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ RefreshSelectedUnder(children[n]);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// changing colours: we need to refresh the tree control
+// ----------------------------------------------------------------------------
+
+bool wxGenericTreeCtrl::SetBackgroundColour(const wxColour& colour)
+{
+ if ( !wxWindow::SetBackgroundColour(colour) )
+ return FALSE;
+
+ Refresh();
+
+ return TRUE;
+}
+
+bool wxGenericTreeCtrl::SetForegroundColour(const wxColour& colour)
+{
+ if ( !wxWindow::SetForegroundColour(colour) )
+ return FALSE;
+
+ Refresh();
+
+ return TRUE;
+}
+
#endif // wxUSE_TREECTRL
projects / wxWidgets.git / blobdiff