// Purpose: wxDataViewCtrl generic implementation
// Author: Robert Roebling
// Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#endif
#include "wx/stockitem.h"
-#include "wx/calctrl.h"
#include "wx/popupwin.h"
#include "wx/renderer.h"
#include "wx/dcbuffer.h"
#include "wx/headerctrl.h"
#include "wx/dnd.h"
#include "wx/stopwatch.h"
+#include "wx/weakref.h"
//-----------------------------------------------------------------------------
// classes
// For the generic implementation, both the leaf nodes and the nodes are sorted for
// fast search when needed
static wxDataViewModel* g_model;
-static int g_column = -2;
+
+// The column is either the index of the column to be used for sorting or one
+// of the special values in this enum:
+enum
+{
+ // Sort when we're thawed later.
+ SortColumn_OnThaw = -3,
+
+ // Don't sort at all.
+ SortColumn_None = -2,
+
+ // Sort using the model default sort order.
+ SortColumn_Default = -1
+};
+
+static int g_column = SortColumn_None;
static bool g_asending = true;
+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
+namespace
+{
+
+// Return the expander column or, if it is not set, the first column and also
+// set it as the expander one for the future.
+wxDataViewColumn* GetExpanderColumnOrFirstOne(wxDataViewCtrl* dataview)
+{
+ wxDataViewColumn* expander = dataview->GetExpanderColumn();
+ if (!expander)
+ {
+ // TODO-RTL: last column for RTL support
+ expander = dataview->GetColumnAt( 0 );
+ dataview->SetExpanderColumn(expander);
+ }
+
+ return expander;
+}
+
+} // anonymous namespace
+
//-----------------------------------------------------------------------------
// wxDataViewColumn
//-----------------------------------------------------------------------------
}
}
+void wxDataViewColumn::UnsetAsSortKey()
+{
+ m_sort = false;
+
+ if ( m_owner )
+ m_owner->SetSortingColumnIndex(wxNOT_FOUND);
+
+ UpdateDisplay();
+}
+
+void wxDataViewColumn::SetSortOrder(bool ascending)
+{
+ if ( !m_owner )
+ return;
+
+ // First unset the old sort column if any.
+ int oldSortKey = m_owner->GetSortingColumnIndex();
+ if ( oldSortKey != wxNOT_FOUND )
+ {
+ m_owner->GetColumn(oldSortKey)->UnsetAsSortKey();
+ }
+
+ // Now set this one as the new sort column.
+ const int idx = m_owner->GetColumnIndex(this);
+ m_owner->SetSortingColumnIndex(idx);
+
+ m_sort = true;
+ m_sortAscending = ascending;
+
+ // Call this directly instead of using UpdateDisplay() as we already have
+ // the column index, no need to look it up again.
+ m_owner->OnColumnChange(idx);
+}
+
//-----------------------------------------------------------------------------
// wxDataViewHeaderWindow
//-----------------------------------------------------------------------------
// for events created by wxDataViewHeaderWindow the
// row / value fields are not valid
- return owner->GetEventHandler()->ProcessEvent(event);
+ return owner->ProcessWindowEvent(event);
}
void OnClick(wxHeaderCtrlEvent& event)
{
const unsigned idx = event.GetColumn();
- if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
+ if ( SendEvent(wxEVT_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
return;
// default handling for the column click is to sort by this column or
}
else // not using this column for sorting yet
{
- // first unset the old sort column if any
- int oldSortKey = owner->GetSortingColumnIndex();
- if ( oldSortKey != wxNOT_FOUND )
- {
- owner->GetColumn(oldSortKey)->UnsetAsSortKey();
- owner->OnColumnChange(oldSortKey);
- }
-
- owner->SetSortingColumnIndex(idx);
- col->SetAsSortKey();
+ col->SetSortOrder(true);
}
wxDataViewModel * const model = owner->GetModel();
owner->OnColumnChange(idx);
- SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, idx);
+ SendEvent(wxEVT_DATAVIEW_COLUMN_SORTED, idx);
}
void OnRClick(wxHeaderCtrlEvent& event)
{
- if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
+ if ( !SendEvent(wxEVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
event.GetColumn()) )
event.Skip();
}
class wxDataViewTreeNode;
WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
-WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
wxDataViewTreeNode ** node2);
-int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
class wxDataViewTreeNode
{
public:
- wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
+ wxDataViewTreeNode(wxDataViewTreeNode *parent, const wxDataViewItem& item)
+ : m_parent(parent),
+ m_item(item),
+ m_branchData(NULL)
{
- m_parent = parent;
- if (!parent)
- m_open = true;
- else
- m_open = false;
- m_hasChildren = false;
- m_subTreeCount = 0;
}
~wxDataViewTreeNode()
{
+ if ( m_branchData )
+ {
+ wxDataViewTreeNodes& nodes = m_branchData->children;
+ for ( wxDataViewTreeNodes::iterator i = nodes.begin();
+ i != nodes.end();
+ ++i )
+ {
+ delete *i;
+ }
+
+ delete m_branchData;
+ }
+ }
+
+ static wxDataViewTreeNode* CreateRootNode()
+ {
+ wxDataViewTreeNode *n = new wxDataViewTreeNode(NULL, wxDataViewItem());
+ n->m_branchData = new BranchNodeData;
+ n->m_branchData->open = true;
+ return n;
}
wxDataViewTreeNode * GetParent() const { return m_parent; }
- void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
- wxDataViewTreeNodes & GetNodes() { return m_nodes; }
- wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
- void AddNode( wxDataViewTreeNode * node )
+ const wxDataViewTreeNodes& GetChildNodes() const
{
- m_leaves.Add( node->GetItem().GetID() );
- if (g_column >= -1)
- m_leaves.Sort( &wxGenericTreeModelItemCmp );
- m_nodes.Add( node );
- if (g_column >= -1)
- m_nodes.Sort( &wxGenericTreeModelNodeCmp );
+ wxASSERT( m_branchData != NULL );
+ return m_branchData->children;
}
- void AddLeaf( void * leaf )
+
+ void InsertChild(wxDataViewTreeNode *node, unsigned index)
{
- m_leaves.Add( leaf );
+ if ( !m_branchData )
+ m_branchData = new BranchNodeData;
+
+ m_branchData->children.Insert(node, index);
+
+ // TODO: insert into sorted array directly in O(log n) instead of resorting in O(n log n)
if (g_column >= -1)
- m_leaves.Sort( &wxGenericTreeModelItemCmp );
+ m_branchData->children.Sort( &wxGenericTreeModelNodeCmp );
+ }
+
+ void RemoveChild(wxDataViewTreeNode *node)
+ {
+ wxCHECK_RET( m_branchData != NULL, "leaf node doesn't have children" );
+ m_branchData->children.Remove(node);
+ }
+
+ // returns position of child node for given item in children list or wxNOT_FOUND
+ int FindChildByItem(const wxDataViewItem& item) const
+ {
+ if ( !m_branchData )
+ return wxNOT_FOUND;
+
+ const wxDataViewTreeNodes& nodes = m_branchData->children;
+ const int len = nodes.size();
+ for ( int i = 0; i < len; i++ )
+ {
+ if ( nodes[i]->m_item == item )
+ return i;
+ }
+ return wxNOT_FOUND;
}
- wxDataViewItem & GetItem() { return m_item; }
const wxDataViewItem & GetItem() const { return m_item; }
void SetItem( const wxDataViewItem & item ) { m_item = item; }
- unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
- unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
int GetIndentLevel() const
{
int ret = 0;
bool IsOpen() const
{
- return m_open;
+ return m_branchData && m_branchData->open;
}
void ToggleOpen()
{
- int len = m_nodes.GetCount();
+ // We do not allow the (invisible) root node to be collapsed because
+ // there is no way to expand it again.
+ if ( !m_parent )
+ return;
+
+ wxCHECK_RET( m_branchData != NULL, "can't open leaf node" );
+
int sum = 0;
+
+ const wxDataViewTreeNodes& nodes = m_branchData->children;
+ const int len = nodes.GetCount();
for ( int i = 0;i < len; i ++)
- sum += m_nodes[i]->GetSubTreeCount();
+ sum += 1 + nodes[i]->GetSubTreeCount();
- sum += m_leaves.GetCount();
- if (m_open)
+ if (m_branchData->open)
{
ChangeSubTreeCount(-sum);
- m_open = !m_open;
+ m_branchData->open = !m_branchData->open;
}
else
{
- m_open = !m_open;
- ChangeSubTreeCount(sum);
+ m_branchData->open = !m_branchData->open;
+ ChangeSubTreeCount(+sum);
+ }
+ }
+
+ // "HasChildren" property corresponds to model's IsContainer(). Note that it may be true
+ // even if GetChildNodes() is empty; see below.
+ bool HasChildren() const
+ {
+ return m_branchData != NULL;
+ }
+
+ void SetHasChildren(bool has)
+ {
+ // The invisible root item always has children, so ignore any attempts
+ // to change this.
+ if ( !m_parent )
+ return;
+
+ if ( !has )
+ {
+ wxDELETE(m_branchData);
+ }
+ else if ( m_branchData == NULL )
+ {
+ m_branchData = new BranchNodeData;
}
}
- bool HasChildren() const { return m_hasChildren; }
- void SetHasChildren( bool has ){ m_hasChildren = has; }
- void SetSubTreeCount( int num ) { m_subTreeCount = num; }
- int GetSubTreeCount() const { return m_subTreeCount; }
+ int GetSubTreeCount() const
+ {
+ return m_branchData ? m_branchData->subTreeCount : 0;
+ }
+
void ChangeSubTreeCount( int num )
{
- if( !m_open )
+ wxASSERT( m_branchData != NULL );
+
+ if( !m_branchData->open )
return;
- m_subTreeCount += num;
+
+ m_branchData->subTreeCount += num;
+ wxASSERT( m_branchData->subTreeCount >= 0 );
+
if( m_parent )
m_parent->ChangeSubTreeCount(num);
}
void Resort()
{
+ if ( !m_branchData )
+ return;
+
if (g_column >= -1)
{
- m_nodes.Sort( &wxGenericTreeModelNodeCmp );
- int len = m_nodes.GetCount();
+ wxDataViewTreeNodes& nodes = m_branchData->children;
+
+ nodes.Sort( &wxGenericTreeModelNodeCmp );
+ int len = nodes.GetCount();
for (int i = 0; i < len; i ++)
- m_nodes[i]->Resort();
- m_leaves.Sort( &wxGenericTreeModelItemCmp );
+ {
+ if ( nodes[i]->HasChildren() )
+ nodes[i]->Resort();
+ }
}
}
- // returns node corresponding to 'item' if its in m_nodes or NULL otherwise
- wxDataViewTreeNode *FindItemAsNode(const wxDataViewItem& item) const
+
+private:
+ wxDataViewTreeNode *m_parent;
+
+ // Corresponding model item.
+ wxDataViewItem m_item;
+
+ // Data specific to non-leaf (branch, inner) nodes. They are kept in a
+ // separate struct in order to conserve memory.
+ struct BranchNodeData
{
- for ( wxDataViewTreeNodes::const_iterator i = m_nodes.begin();
- i != m_nodes.end();
- ++i )
+ BranchNodeData()
+ : open(false),
+ subTreeCount(0)
{
- if( (*i)->GetItem() == item )
- return *i;
}
- return NULL;
- }
+ // Child nodes. Note that this may be empty even if m_hasChildren in
+ // case this branch of the tree wasn't expanded and realized yet.
+ wxDataViewTreeNodes children;
+ // Is the branch node currently open (expanded)?
+ bool open;
-private:
- wxDataViewTreeNode *m_parent;
- wxDataViewTreeNodes m_nodes;
- wxDataViewTreeLeaves m_leaves;
- wxDataViewItem m_item;
- bool m_open;
- bool m_hasChildren;
- int m_subTreeCount;
+ // Total count of expanded (i.e. visible with the help of some
+ // scrolling) items in the subtree, but excluding this node. I.e. it is
+ // 0 for leaves and is the number of rows the subtree occupies for
+ // branch nodes.
+ int subTreeCount;
+ };
+
+ BranchNodeData *m_branchData;
};
+
int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
wxDataViewTreeNode ** node2)
{
return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
}
-int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
-{
- return g_model->Compare( wxDataViewItem(*id1), wxDataViewItem(*id2), g_column, g_asending );
-}
-
//-----------------------------------------------------------------------------
// wxDataViewMainWindow
const wxString &name = wxT("wxdataviewctrlmainwindow") );
virtual ~wxDataViewMainWindow();
- bool IsList() const { return GetOwner()->GetModel()->IsListModel(); }
+ bool IsList() const { return GetModel()->IsListModel(); }
bool IsVirtualList() const { return m_root == NULL; }
// notifications from wxDataViewModel
UpdateDisplay();
}
+ // Override the base class method to resort if needed, i.e. if
+ // SortPrepare() was called -- and ignored -- while we were frozen.
+ virtual void DoThaw()
+ {
+ if ( g_column == SortColumn_OnThaw )
+ {
+ Resort();
+ g_column = SortColumn_None;
+ }
+
+ wxWindow::DoThaw();
+ }
+
void SortPrepare()
{
- g_model = GetOwner()->GetModel();
+ g_model = GetModel();
+
wxDataViewColumn* col = GetOwner()->GetSortingColumn();
if( !col )
{
if (g_model->HasDefaultCompare())
- g_column = -1;
+ {
+ // See below for the explanation of IsFrozen() test.
+ if ( IsFrozen() )
+ g_column = SortColumn_OnThaw;
+ else
+ g_column = SortColumn_Default;
+ }
else
- g_column = -2;
+ g_column = SortColumn_None;
g_asending = true;
return;
}
+
+ // Avoid sorting while the window is frozen, this allows to quickly add
+ // many items without resorting after each addition and only resort
+ // them all at once when the window is finally thawed, see above.
+ if ( IsFrozen() )
+ {
+ g_column = SortColumn_OnThaw;
+ return;
+ }
+
g_column = col->GetModelColumn();
g_asending = col->IsSortOrderAscending();
}
wxDataViewCtrl *GetOwner() { return m_owner; }
const wxDataViewCtrl *GetOwner() const { return m_owner; }
+ wxDataViewModel* GetModel() { return GetOwner()->GetModel(); }
+ const wxDataViewModel* GetModel() const { return GetOwner()->GetModel(); }
+
#if wxUSE_DRAG_AND_DROP
wxBitmap CreateItemBitmap( unsigned int row, int &indent );
#endif // wxUSE_DRAG_AND_DROP
void OnPaint( wxPaintEvent &event );
- void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
+ void OnCharHook( wxKeyEvent &event );
void OnChar( wxKeyEvent &event );
+ void OnVerticalNavigation(int delta, const wxKeyEvent& event);
+ void OnLeftKey();
+ void OnRightKey();
void OnMouse( wxMouseEvent &event );
void OnSetFocus( wxFocusEvent &event );
void OnKillFocus( wxFocusEvent &event );
unsigned GetCurrentRow() const { return m_currentRow; }
bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
void ChangeCurrentRow( unsigned int row );
+ bool TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward);
+
+ wxDataViewColumn *GetCurrentColumn() const { return m_currentCol; }
+ void ClearCurrentColumn() { m_currentCol = NULL; }
bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
bool IsEmpty() { return GetRowCount() == 0; }
// the displaying number of the tree are changing along with the
// expanding/collapsing of the tree nodes
unsigned int GetLastVisibleRow();
- unsigned int GetRowCount();
+ unsigned int GetRowCount() const;
- wxDataViewItem GetSelection() const;
const wxDataViewSelection& GetSelections() const { return m_selection; }
void SetSelections( const wxDataViewSelection & sel )
{ m_selection = sel; UpdateDisplay(); }
int GetLineAt( unsigned int y ) const; // y / m_lineHeight in fixed mode
void SetRowHeight( int lineHeight ) { m_lineHeight = lineHeight; }
+ int GetRowHeight() const { return m_lineHeight; }
+ int GetDefaultRowHeight() const;
// Some useful functions for row and item mapping
wxDataViewItem GetItemByRow( unsigned int row ) const;
int GetRowByItem( const wxDataViewItem & item ) const;
+ wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
+ // We did not need this temporarily
+ // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
+
// Methods for building the mapping tree
void BuildTree( wxDataViewModel * model );
void DestroyTree();
void OnLeave();
#endif // wxUSE_DRAG_AND_DROP
-private:
- wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
- // We did not need this temporarily
- // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
+ void OnColumnsCountChanged();
+
+ // Called by wxDataViewCtrl and our own OnRenameTimer() to start edit the
+ // specified item in the given column.
+ void StartEditing(const wxDataViewItem& item, const wxDataViewColumn* col);
- int RecalculateCount();
+private:
+ int RecalculateCount() const;
- wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
+ // Return false only if the event was vetoed by its handler.
+ bool SendExpanderEvent(wxEventType type, const wxDataViewItem& item);
wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
+ wxDataViewColumn *FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode);
+
+ bool IsCellEditableInMode(const wxDataViewItem& item, const wxDataViewColumn *col, wxDataViewCellMode mode) const;
+
+ void DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect );
+
private:
wxDataViewCtrl *m_owner;
int m_lineHeight;
bool m_lastOnSame;
bool m_hasFocus;
+ bool m_useCellFocus;
+ bool m_currentColSetByKeyboard;
#if wxUSE_DRAG_AND_DROP
int m_dragCount;
// This is the tree node under the cursor
wxDataViewTreeNode * m_underMouse;
+ // The control used for editing or NULL.
+ wxWeakRef<wxWindow> m_editorCtrl;
+
+ // Id m_editorCtrl is non-NULL, pointer to the associated renderer.
+ wxDataViewRenderer* m_editorRenderer;
+
private:
DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
DECLARE_EVENT_TABLE()
{
wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
wxPoint(labelRect.x,labelRect.y),
- wxSize(labelRect.width,labelRect.height) );
+ wxSize(labelRect.width,labelRect.height),
+ wxTE_PROCESS_ENTER );
// select the text in the control an place the cursor at the end
ctrl->SetInsertionPointEnd();
GetEnabled() == false)
flags |= wxCONTROL_DISABLED;
- // check boxes we draw must always have the same, standard size (if it's
- // bigger than the cell size the checkbox will be truncated because the
- // caller had set the clipping rectangle to prevent us from drawing outside
- // the cell)
- cell.SetSize(GetSize());
+ // Ensure that the check boxes always have at least the minimal required
+ // size, otherwise DrawCheckBox() doesn't really work well. If this size is
+ // greater than the cell size, the checkbox will be truncated but this is a
+ // lesser evil.
+ wxSize size = cell.GetSize();
+ size.IncTo(GetSize());
+ cell.SetSize(size);
wxRendererNative::Get().DrawCheckBox(
GetOwner()->GetOwner(),
return true;
}
-bool wxDataViewToggleRenderer::WXOnLeftClick(const wxPoint& cursor,
- const wxRect& WXUNUSED(cell),
- wxDataViewModel *model,
- const wxDataViewItem& item,
- unsigned int col)
+bool wxDataViewToggleRenderer::WXActivateCell(const wxRect& WXUNUSED(cellRect),
+ wxDataViewModel *model,
+ const wxDataViewItem& item,
+ unsigned int col,
+ const wxMouseEvent *mouseEvent)
{
- // only react to clicks directly on the checkbox, not elsewhere in the same cell:
- if (!wxRect(GetSize()).Contains(cursor))
- return false;
-
- if (model->IsEnabled(item, col))
+ if ( mouseEvent )
{
- model->ChangeValue(!m_toggle, item, col);
- return true;
+ // Only react to clicks directly on the checkbox, not elsewhere in the
+ // same cell.
+ if ( !wxRect(GetSize()).Contains(mouseEvent->GetPosition()) )
+ return false;
}
- return false;
+ model->ChangeValue(!m_toggle, item, col);
+ return true;
}
wxSize wxDataViewToggleRenderer::GetSize() const
return wxSize(40,12);
}
-// ---------------------------------------------------------
-// wxDataViewDateRenderer
-// ---------------------------------------------------------
-
-#define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
-
-#if wxUSE_DATE_RENDERER_POPUP
-
-class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
-{
-public:
- wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
- wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
- wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
- m_item( item )
- {
- m_model = model;
- m_col = col;
- m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
- wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
- sizer->Add( m_cal, 1, wxGROW );
- SetSizer( sizer );
- sizer->Fit( this );
- }
-
- void OnCalendar( wxCalendarEvent &event );
-
- wxCalendarCtrl *m_cal;
- wxDataViewModel *m_model;
- unsigned int m_col;
- const wxDataViewItem & m_item;
-
-protected:
- virtual void OnDismiss()
- {
- }
-
-private:
- DECLARE_EVENT_TABLE()
-};
-
-BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
- EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
-END_EVENT_TABLE()
-
-void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
-{
- m_model->ChangeValue( event.GetDate(), m_item, m_col );
- DismissAndNotify();
-}
-
-#endif // wxUSE_DATE_RENDERER_POPUP
-
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewRenderer)
-
-wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
- wxDataViewCellMode mode, int align ) :
- wxDataViewRenderer( varianttype, mode, align )
-{
-}
-
-bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
-{
- m_date = value.GetDateTime();
-
- return true;
-}
-
-bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
-{
- value = m_date;
- return true;
-}
-
-bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
-{
- wxString tmp = m_date.FormatDate();
- RenderText( tmp, 0, cell, dc, state );
- return true;
-}
-
-wxSize wxDataViewDateRenderer::GetSize() const
-{
- return GetTextExtent(m_date.FormatDate());
-}
-
-bool wxDataViewDateRenderer::WXOnActivate(const wxRect& WXUNUSED(cell),
- wxDataViewModel *model,
- const wxDataViewItem& item,
- unsigned int col)
-{
- wxDateTime dtOld = m_date;
-
-#if wxUSE_DATE_RENDERER_POPUP
- wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
- GetOwner()->GetOwner()->GetParent(), &dtOld, model, item, col);
- wxPoint pos = wxGetMousePosition();
- popup->Move( pos );
- popup->Layout();
- popup->Popup( popup->m_cal );
-#else // !wxUSE_DATE_RENDERER_POPUP
- wxMessageBox(dtOld.Format());
-#endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
-
- return true;
-}
-
// ---------------------------------------------------------
// wxDataViewIconTextRenderer
// ---------------------------------------------------------
wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
wxPoint(labelRect.x,labelRect.y),
- wxSize(labelRect.width,labelRect.height) );
+ wxSize(labelRect.width,labelRect.height),
+ wxTE_PROCESS_ENTER );
// select the text in the control an place the cursor at the end
ctrl->SetInsertionPointEnd();
{
wxTextCtrl *text = (wxTextCtrl*) editor;
- wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
+ // The icon can't be edited so get its old value and reuse it.
+ wxVariant valueOld;
+ wxDataViewColumn* const col = GetOwner();
+ GetView()->GetModel()->GetValue(valueOld, m_item, col->GetModelColumn());
+
+ wxDataViewIconText iconText;
+ iconText << valueOld;
+
+ // But replace the text with the value entered by user.
+ iconText.SetText(text->GetValue());
+
value << iconText;
return true;
}
EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
+ EVT_CHAR_HOOK (wxDataViewMainWindow::OnCharHook)
EVT_CHAR (wxDataViewMainWindow::OnChar)
END_EVENT_TABLE()
{
SetOwner( parent );
+ m_editorRenderer = NULL;
+
m_lastOnSame = false;
m_renameTimer = new wxDataViewRenameTimer( this );
// TODO: user better initial values/nothing selected
m_currentCol = NULL;
- m_currentRow = 0;
-
- m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
+ m_currentColSetByKeyboard = false;
+ m_useCellFocus = false;
+ m_currentRow = (unsigned)-1;
+ m_lineHeight = GetDefaultRowHeight();
#if wxUSE_DRAG_AND_DROP
m_dragCount = 0;
// TODO: maybe there is something system colour to use
m_penExpander = wxPen(wxColour(0,0,0));
- m_root = new wxDataViewTreeNode( NULL );
- m_root->SetHasChildren(true);
+ m_root = wxDataViewTreeNode::CreateRootNode();
// Make m_count = -1 will cause the class recaculate the real displaying number of rows.
m_count = -1;
}
+int wxDataViewMainWindow::GetDefaultRowHeight() const
+{
+#ifdef __WXMSW__
+ // We would like to use the same line height that Explorer uses. This is
+ // different from standard ListView control since Vista.
+ if ( wxGetWinVersion() >= wxWinVersion_Vista )
+ return wxMax(16, GetCharHeight()) + 6; // 16 = mini icon height
+ else
+#endif // __WXMSW__
+ return wxMax(16, GetCharHeight()) + 1; // 16 = mini icon height
+}
+
+
+
#if wxUSE_DRAG_AND_DROP
bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
{
wxDataViewItem item = GetItemByRow( row );
- wxDataViewModel *model = GetOwner()->GetModel();
+ wxDataViewModel *model = GetModel();
- wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+ wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
event.SetEventObject( m_owner );
event.SetItem( item );
event.SetModel( model );
event.SetDataFormat( format );
+ event.SetDropEffect( def );
if (!m_owner->HandleWindowEvent( event ))
{
RemoveDropHint();
wxDataViewItem item = GetItemByRow( row );
- wxDataViewModel *model = GetOwner()->GetModel();
+ wxDataViewModel *model = GetModel();
- wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+ wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
event.SetEventObject( m_owner );
event.SetItem( item );
event.SetModel( model );
wxDataViewItem item = GetItemByRow( row );
- wxDataViewModel *model = GetOwner()->GetModel();
+ wxDataViewModel *model = GetModel();
wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
- wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
+ wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_DROP, m_owner->GetId() );
event.SetEventObject( m_owner );
event.SetItem( item );
event.SetModel( model );
event.SetDataFormat( format );
event.SetDataSize( obj->GetSize() );
event.SetDataBuffer( obj->GetData() );
+ event.SetDropEffect( def );
if (!m_owner->HandleWindowEvent( event ))
return wxDragNone;
indent = GetOwner()->GetIndent() * node->GetIndentLevel();
indent = indent + m_lineHeight;
// try to use the m_lineHeight as the expander space
-
- if(!node->HasChildren())
- delete node;
}
width -= indent;
wxDataViewModel *model = m_owner->GetModel();
- wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
- if (!expander)
- {
- // TODO-RTL: last column for RTL support
- expander = GetOwner()->GetColumnAt( 0 );
- GetOwner()->SetExpanderColumn(expander);
- }
-
+ wxDataViewColumn * const
+ expander = GetExpanderColumnOrFirstOne(GetOwner());
int x = 0;
for (col = 0; col < cols; col++)
#endif // wxUSE_DRAG_AND_DROP
+// Draw focus rect for individual cell. Unlike native focus rect, we render
+// this in foreground text color (typically white) to enhance contrast and
+// make it visible.
+static void DrawSelectedCellFocusRect(wxDC& dc, const wxRect& rect)
+{
+ // (This code is based on wxRendererGeneric::DrawFocusRect and modified.)
+
+ // draw the pixels manually because the "dots" in wxPen with wxDOT style
+ // may be short traits and not really dots
+ //
+ // note that to behave in the same manner as DrawRect(), we must exclude
+ // the bottom and right borders from the rectangle
+ wxCoord x1 = rect.GetLeft(),
+ y1 = rect.GetTop(),
+ x2 = rect.GetRight(),
+ y2 = rect.GetBottom();
+
+ wxDCPenChanger pen(dc, wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
+
+ wxCoord z;
+ for ( z = x1 + 1; z < x2; z += 2 )
+ dc.DrawPoint(z, rect.GetTop());
+
+ wxCoord shift = z == x2 ? 0 : 1;
+ for ( z = y1 + shift; z < y2; z += 2 )
+ dc.DrawPoint(x2, z);
+
+ shift = z == y2 ? 0 : 1;
+ for ( z = x2 - shift; z > x1; z -= 2 )
+ dc.DrawPoint(z, y2);
+
+ shift = z == x1 ? 0 : 1;
+ for ( z = y2 - shift; z > y1; z -= 2 )
+ dc.DrawPoint(x1, z);
+}
+
+
void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
- wxDataViewModel *model = GetOwner()->GetModel();
+ wxDataViewModel *model = GetModel();
wxAutoBufferedPaintDC dc( this );
-#ifdef __WXMSW__
dc.SetBrush(GetOwner()->GetBackgroundColour());
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle(GetClientSize());
-#endif
if ( IsEmpty() )
{
// Send the event to wxDataViewCtrl itself.
wxWindow * const parent = GetParent();
- wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
+ wxDataViewEvent cache_event(wxEVT_DATAVIEW_CACHE_HINT, parent->GetId());
cache_event.SetEventObject(parent);
cache_event.SetCache(item_start, item_last - 1);
parent->ProcessWindowEvent(cache_event);
x_last += col->GetWidth();
}
+ // Draw background of alternate rows specially if required
+ if ( m_owner->HasFlag(wxDV_ROW_LINES) )
+ {
+ wxColour altRowColour = m_owner->m_alternateRowColour;
+ if ( !altRowColour.IsOk() )
+ {
+ // Determine the alternate rows colour automatically from the
+ // background colour.
+ const wxColour bgColour = m_owner->GetBackgroundColour();
+
+ // Depending on the background, alternate row color
+ // will be 3% more dark or 50% brighter.
+ int alpha = bgColour.GetRGB() > 0x808080 ? 97 : 150;
+ altRowColour = bgColour.ChangeLightness(alpha);
+ }
+
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ dc.SetBrush(wxBrush(altRowColour));
+
+ for (unsigned int item = item_start; item < item_last; item++)
+ {
+ if ( item % 2 )
+ {
+ dc.DrawRectangle(x_start,
+ GetLineStart(item),
+ GetClientSize().GetWidth(),
+ GetLineHeight(item));
+ }
+ }
+ }
+
// Draw horizontal rules if required
if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
{
for (unsigned int item = item_start; item < item_last; item++)
{
bool selected = m_selection.Index( item ) != wxNOT_FOUND;
+
if (selected || item == m_currentRow)
{
- int flags = selected ? (int)wxCONTROL_SELECTED : 0;
- if (item == m_currentRow)
- flags |= wxCONTROL_CURRENT;
- if (m_hasFocus)
- flags |= wxCONTROL_FOCUSED;
-
wxRect rect( x_start, GetLineStart( item ),
x_last - x_start, GetLineHeight( item ) );
- wxRendererNative::Get().DrawItemSelectionRect
- (
- this,
- dc,
- rect,
- flags
- );
- }
- }
-
-#if wxUSE_DRAG_AND_DROP
- if (m_dropHint)
- {
- wxRect rect( x_start, GetLineStart( m_dropHintLine ),
- x_last - x_start, GetLineHeight( m_dropHintLine ) );
- dc.SetPen( *wxBLACK_PEN );
- dc.SetBrush( *wxTRANSPARENT_BRUSH );
- dc.DrawRectangle( rect );
- }
-#endif // wxUSE_DRAG_AND_DROP
- wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
- if (!expander)
+ // draw selection and whole-item focus:
+ if ( selected )
+ {
+ int flags = wxCONTROL_SELECTED;
+ if (m_hasFocus)
+ flags |= wxCONTROL_FOCUSED;
+
+ wxRendererNative::Get().DrawItemSelectionRect
+ (
+ this,
+ dc,
+ rect,
+ flags
+ );
+ }
+
+ // draw keyboard focus rect if applicable
+ if ( item == m_currentRow && m_hasFocus )
+ {
+ bool renderColumnFocus = false;
+
+ if ( m_useCellFocus && m_currentCol && m_currentColSetByKeyboard )
+ {
+ renderColumnFocus = true;
+
+ // If this is container node without columns, render full-row focus:
+ if ( !IsList() )
+ {
+ wxDataViewTreeNode *node = GetTreeNodeByRow(item);
+ if ( node->HasChildren() && !model->HasContainerColumns(node->GetItem()) )
+ renderColumnFocus = false;
+ }
+ }
+
+ if ( renderColumnFocus )
+ {
+ for ( unsigned int i = col_start; i < col_last; i++ )
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
+ if ( col->IsHidden() )
+ continue;
+
+ rect.width = col->GetWidth();
+
+ if ( col == m_currentCol )
+ {
+ // make the rect more visible by adding a small
+ // margin around it:
+ rect.Deflate(1, 1);
+
+ if ( selected )
+ {
+ // DrawFocusRect() uses XOR and is all but
+ // invisible against dark-blue background. Use
+ // the same color used for selected text.
+ DrawSelectedCellFocusRect(dc, rect);
+ }
+ else
+ {
+ wxRendererNative::Get().DrawFocusRect
+ (
+ this,
+ dc,
+ rect,
+ 0
+ );
+ }
+ break;
+ }
+
+ rect.x += rect.width;
+ }
+ }
+ else
+ {
+ // render focus rectangle for the whole row
+ wxRendererNative::Get().DrawFocusRect
+ (
+ this,
+ dc,
+ rect,
+ selected ? (int)wxCONTROL_SELECTED : 0
+ );
+ }
+ }
+ }
+ }
+
+#if wxUSE_DRAG_AND_DROP
+ if (m_dropHint)
{
- // TODO-RTL: last column for RTL support
- expander = GetOwner()->GetColumnAt( 0 );
- GetOwner()->SetExpanderColumn(expander);
+ wxRect rect( x_start, GetLineStart( m_dropHintLine ),
+ x_last - x_start, GetLineHeight( m_dropHintLine ) );
+ dc.SetPen( *wxBLACK_PEN );
+ dc.SetBrush( *wxTRANSPARENT_BRUSH );
+ dc.DrawRectangle( rect );
}
+#endif // wxUSE_DRAG_AND_DROP
+
+ wxDataViewColumn * const
+ expander = GetExpanderColumnOrFirstOne(GetOwner());
// redraw all cells for all rows which must be repainted and all columns
wxRect cell_rect;
// Skip all columns of "container" rows except the expander
// column itself unless HasContainerColumns() overrides this.
- if ( col != GetOwner()->GetExpanderColumn() &&
+ if ( col != expander &&
model->IsContainer(dataitem) &&
!model->HasContainerColumns(dataitem) )
continue;
cell_rect.y = GetLineStart( item );
cell_rect.height = GetLineHeight( item );
+ // draw the background
+ bool selected = m_selection.Index( item ) != wxNOT_FOUND;
+ if ( !selected )
+ DrawCellBackground( cell, dc, cell_rect );
+
// deal with the expander
int indent = 0;
if ((!IsList()) && (col == expander))
// force the expander column to left-center align
cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
}
- if (node && !node->HasChildren())
- {
- // Yes, if the node does not have any child, it must be a leaf which
- // mean that it is a temporarily created by GetTreeNodeByRow
- wxDELETE(node);
- }
wxRect item_rect = cell_rect;
item_rect.Deflate(PADDING_RIGHTLEFT, 0);
continue;
int state = 0;
- if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
+ if (m_hasFocus && selected)
state |= wxDATAVIEW_CELL_SELECTED;
// TODO: it would be much more efficient to create a clipping
}
}
+
+void wxDataViewMainWindow::DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect )
+{
+ wxRect rectBg( rect );
+
+ // don't overlap the horizontal rules
+ if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
+ {
+ rectBg.x++;
+ rectBg.width--;
+ }
+
+ // don't overlap the vertical rules
+ if ( m_owner->HasFlag(wxDV_VERT_RULES) )
+ {
+ rectBg.y++;
+ rectBg.height--;
+ }
+
+ cell->RenderBackground(&dc, rectBg);
+}
+
void wxDataViewMainWindow::OnRenameTimer()
{
// We have to call this here because changes may just have
wxDataViewItem item = GetItemByRow( m_currentRow );
- wxRect labelRect = GetItemRect(item, m_currentCol);
+ StartEditing( item, m_currentCol );
+}
+
+void
+wxDataViewMainWindow::StartEditing(const wxDataViewItem& item,
+ const wxDataViewColumn* col)
+{
+ wxDataViewRenderer* renderer = col->GetRenderer();
+ if ( !IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
+ return;
- m_currentCol->GetRenderer()->StartEditing( item, labelRect );
+ const wxRect itemRect = GetItemRect(item, col);
+ if ( renderer->StartEditing(item, itemRect) )
+ {
+ // Save the renderer to be able to finish/cancel editing it later and
+ // save the control to be able to detect if we're still editing it.
+ m_editorRenderer = renderer;
+ m_editorCtrl = renderer->GetEditorCtrl();
+ }
}
//-----------------------------------------------------------------------------
virtual ~DoJob() { }
// The return value control how the tree-walker tranverse the tree
- // 0: Job done, stop tranverse and return
- // 1: Ignore the current node's subtree and continue
- // 2: Job not done, continue
- enum { OK = 0 , IGR = 1, CONT = 2 };
+ enum
+ {
+ DONE, // Job done, stop traversing and return
+ SKIP_SUBTREE, // Ignore the current node's subtree and continue
+ CONTINUE // Job not done, continue
+ };
+
virtual int operator() ( wxDataViewTreeNode * node ) = 0;
- virtual int operator() ( void * n ) = 0;
};
bool Walker( wxDataViewTreeNode * node, DoJob & func )
{
- if( node==NULL )
- return false;
+ wxCHECK_MSG( node, false, "can't walk NULL node" );
switch( func( node ) )
{
- case DoJob::OK :
+ case DoJob::DONE:
return true;
- case DoJob::IGR:
+ case DoJob::SKIP_SUBTREE:
return false;
- case DoJob::CONT:
- default:
- ;
+ case DoJob::CONTINUE:
+ break;
}
- const wxDataViewTreeNodes& nodes = node->GetNodes();
- const wxDataViewTreeLeaves& leaves = node->GetChildren();
-
- int len_nodes = nodes.GetCount();
- int len = leaves.GetCount();
- int i = 0, nodes_i = 0;
-
- for(; i < len; i ++ )
+ if ( node->HasChildren() )
{
- void * n = leaves[i];
- if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
- {
- wxDataViewTreeNode * nd = nodes[nodes_i];
- nodes_i++;
+ const wxDataViewTreeNodes& nodes = node->GetChildNodes();
- if( Walker( nd , func ) )
+ for ( wxDataViewTreeNodes::const_iterator i = nodes.begin();
+ i != nodes.end();
+ ++i )
+ {
+ if ( Walker(*i, func) )
return true;
-
}
- else
- switch( func( n ) )
- {
- case DoJob::OK :
- return true;
- case DoJob::IGR:
- continue;
- case DoJob::CONT:
- default:
- ;
- }
}
+
return false;
}
bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
{
-
if (IsVirtualList())
{
wxDataViewVirtualListModel *list_model =
- (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+ (wxDataViewVirtualListModel*) GetModel();
m_count = list_model->GetCount();
}
else
{
SortPrepare();
- wxDataViewTreeNode * node;
- node = FindNode(parent);
+ wxDataViewTreeNode *parentNode = FindNode(parent);
- if( node == NULL )
+ if ( !parentNode )
return false;
- node->SetHasChildren( true );
+ wxDataViewItemArray modelSiblings;
+ GetModel()->GetChildren(parent, modelSiblings);
+ const int modelSiblingsSize = modelSiblings.size();
+
+ int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
+ wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
- if( g_model->IsContainer( item ) )
+ wxDataViewTreeNode *itemNode = new wxDataViewTreeNode(parentNode, item);
+ itemNode->SetHasChildren(GetModel()->IsContainer(item));
+
+ parentNode->SetHasChildren(true);
+
+ const wxDataViewTreeNodes& nodeSiblings = parentNode->GetChildNodes();
+ const int nodeSiblingsSize = nodeSiblings.size();
+
+ int nodePos = 0;
+
+ if ( posInModel == modelSiblingsSize - 1 )
{
- wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
- newnode->SetItem(item);
- newnode->SetHasChildren( true );
- node->AddNode( newnode);
+ nodePos = nodeSiblingsSize;
+ }
+ else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
+ {
+ // This is the simple case when our node tree already matches the
+ // model and only this one item is missing.
+ nodePos = posInModel;
}
else
- node->AddLeaf( item.GetID() );
+ {
+ // It's possible that a larger discrepancy between the model and
+ // our realization exists. This can happen e.g. when adding a bunch
+ // of items to the model and then calling ItemsAdded() just once
+ // afterwards. In this case, we must find the right position by
+ // looking at sibling items.
+
+ // append to the end if we won't find a better position:
+ nodePos = nodeSiblingsSize;
+
+ for ( int nextItemPos = posInModel + 1;
+ nextItemPos < modelSiblingsSize;
+ nextItemPos++ )
+ {
+ int nextNodePos = parentNode->FindChildByItem(modelSiblings[nextItemPos]);
+ if ( nextNodePos != wxNOT_FOUND )
+ {
+ nodePos = nextNodePos;
+ break;
+ }
+ }
+ }
- node->ChangeSubTreeCount(1);
+ parentNode->ChangeSubTreeCount(+1);
+ parentNode->InsertChild(itemNode, nodePos);
m_count = -1;
}
- GetOwner()->UpdateColBestWidths();
+ GetOwner()->InvalidateColBestWidths();
UpdateDisplay();
return true;
}
-static void DestroyTreeHelper( wxDataViewTreeNode * node);
-
bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
const wxDataViewItem& item)
{
if (IsVirtualList())
{
wxDataViewVirtualListModel *list_model =
- (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+ (wxDataViewVirtualListModel*) GetModel();
m_count = list_model->GetCount();
if ( !m_selection.empty() )
{
const int row = GetRowByItem(item);
+ int rowIndexInSelection = wxNOT_FOUND;
+
const size_t selCount = m_selection.size();
for ( size_t i = 0; i < selCount; i++ )
{
- if ( m_selection[i] > (unsigned)row )
+ if ( m_selection[i] == (unsigned)row )
+ rowIndexInSelection = i;
+ else if ( m_selection[i] > (unsigned)row )
m_selection[i]--;
}
- int itemRow = m_selection.Index(row);
- if ( itemRow != wxNOT_FOUND )
- m_selection.RemoveAt(itemRow);
+ if ( rowIndexInSelection != wxNOT_FOUND )
+ m_selection.RemoveAt(rowIndexInSelection);
}
}
else // general case
{
- wxDataViewTreeNode * node = FindNode(parent);
- int itemPosInNode = node ? node->GetChildren().Index(item.GetID()) : wxNOT_FOUND;
+ wxDataViewTreeNode *parentNode = FindNode(parent);
// Notice that it is possible that the item being deleted is not in the
// tree at all, for example we could be deleting a never shown (because
// collapsed) item in a tree model. So it's not an error if we don't know
// about this item, just return without doing anything then.
- if ( !node || itemPosInNode == wxNOT_FOUND )
- return false;
+ if ( !parentNode )
+ return true;
- bool isContainer = false;
- wxDataViewTreeNode *itemNode = NULL;
+ wxCHECK_MSG( parentNode->HasChildren(), false, "parent node doesn't have children?" );
+ const wxDataViewTreeNodes& parentsChildren = parentNode->GetChildNodes();
- const wxDataViewTreeNodes nds = node->GetNodes();
- for (size_t i = 0; i < nds.GetCount(); i ++)
+ // We can't use FindNode() to find 'item', because it was already
+ // removed from the model by the time ItemDeleted() is called, so we
+ // have to do it manually. We keep track of its position as well for
+ // later use.
+ int itemPosInNode = 0;
+ wxDataViewTreeNode *itemNode = NULL;
+ for ( wxDataViewTreeNodes::const_iterator i = parentsChildren.begin();
+ i != parentsChildren.end();
+ ++i, ++itemPosInNode )
{
- if (nds[i]->GetItem() == item)
+ if( (*i)->GetItem() == item )
{
- isContainer = true;
- itemNode = nds[i];
+ itemNode = *i;
break;
}
}
- // Delete the item from wxDataViewTreeNode representation:
- int itemsDeleted = 1;
- node->GetChildren().Remove( item.GetID() );
-
- if( isContainer )
+ // If the parent wasn't expanded, it's possible that we didn't have a
+ // node corresponding to 'item' and so there's nothing left to do.
+ if ( !itemNode )
{
- wxDataViewTreeNode *n = node->FindItemAsNode(item);
-
- wxCHECK_MSG( n != NULL, false, "item not found" );
+ // If this was the last child to be removed, it's possible the parent
+ // node became a leaf. Let's ask the model about it.
+ if ( parentNode->GetChildNodes().empty() )
+ parentNode->SetHasChildren(GetModel()->IsContainer(parent));
- node->GetNodes().Remove( n );
- itemsDeleted += n->GetSubTreeCount();
- ::DestroyTreeHelper(n);
+ return true;
}
+ // Delete the item from wxDataViewTreeNode representation:
+ const int itemsDeleted = 1 + itemNode->GetSubTreeCount();
+
+ parentNode->RemoveChild(itemNode);
+ delete itemNode;
+ parentNode->ChangeSubTreeCount(-itemsDeleted);
+
// Make the row number invalid and get a new valid one when user call GetRowCount
m_count = -1;
- node->ChangeSubTreeCount(-itemsDeleted);
+
+ // If this was the last child to be removed, it's possible the parent
+ // node became a leaf. Let's ask the model about it.
+ if ( parentNode->GetChildNodes().empty() )
+ {
+ bool isContainer = GetModel()->IsContainer(parent);
+ parentNode->SetHasChildren(isContainer);
+ if ( isContainer )
+ {
+ // If it's still a container, make sure we show "+" icon for it
+ // and not "-" one as there is nothing to collapse any more.
+ if ( parentNode->IsOpen() )
+ parentNode->ToggleOpen();
+ }
+ }
// Update selection by removing 'item' and its entire children tree from the selection.
if ( !m_selection.empty() )
{
// we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from
- // the parent ('node') and position in its list of children
+ // the parent ('parentNode') and position in its list of children
int itemRow;
if ( itemPosInNode == 0 )
{
- // 1st child, row number is that of the parent node + 1
- itemRow = GetRowByItem(node->GetItem()) + 1;
+ // 1st child, row number is that of the parent parentNode + 1
+ itemRow = GetRowByItem(parentNode->GetItem()) + 1;
}
else
{
// row number is that of the sibling above 'item' + its subtree if any + 1
- const wxDataViewItem sibling = wxDataViewItem(node->GetChildren()[itemPosInNode - 1]);
- const wxDataViewTreeNode *siblingNode = node->FindItemAsNode(sibling);
+ const wxDataViewTreeNode *siblingNode = parentNode->GetChildNodes()[itemPosInNode - 1];
- itemRow = GetRowByItem(sibling);
- if ( siblingNode )
- itemRow += siblingNode->GetSubTreeCount();
- itemRow += 1;
+ itemRow = GetRowByItem(siblingNode->GetItem()) +
+ siblingNode->GetSubTreeCount() +
+ 1;
}
wxDataViewSelection newsel(wxDataViewSelectionCmp);
}
// Change the current row to the last row if the current exceed the max row number
- if( m_currentRow > GetRowCount() )
+ if ( m_currentRow >= GetRowCount() )
ChangeCurrentRow(m_count - 1);
- GetOwner()->UpdateColBestWidths();
+ GetOwner()->InvalidateColBestWidths();
UpdateDisplay();
return true;
SortPrepare();
g_model->Resort();
- GetOwner()->UpdateColBestWidths();
+ GetOwner()->InvalidateColBestWidths();
// Send event
wxWindow *parent = GetParent();
- wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
+ wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
le.SetEventObject(parent);
- le.SetModel(GetOwner()->GetModel());
+ le.SetModel(GetModel());
le.SetItem(item);
- parent->GetEventHandler()->ProcessEvent(le);
+ parent->ProcessWindowEvent(le);
return true;
}
SortPrepare();
g_model->Resort();
- GetOwner()->UpdateColBestWidth(view_column);
+ GetOwner()->InvalidateColBestWidth(view_column);
// Send event
wxWindow *parent = GetParent();
- wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
+ wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
le.SetEventObject(parent);
- le.SetModel(GetOwner()->GetModel());
+ le.SetModel(GetModel());
le.SetItem(item);
le.SetColumn(view_column);
le.SetDataViewColumn(GetOwner()->GetColumn(view_column));
- parent->GetEventHandler()->ProcessEvent(le);
+ parent->ProcessWindowEvent(le);
return true;
}
{
DestroyTree();
m_selection.Clear();
+ m_currentRow = (unsigned)-1;
- SortPrepare();
- BuildTree( GetOwner()->GetModel() );
+ if (GetModel())
+ {
+ SortPrepare();
+ BuildTree( GetModel() );
+ }
+ else
+ {
+ m_count = 0;
+ }
- GetOwner()->UpdateColBestWidths();
+ GetOwner()->InvalidateColBestWidths();
UpdateDisplay();
return true;
void wxDataViewMainWindow::RecalculateDisplay()
{
- wxDataViewModel *model = GetOwner()->GetModel();
+ wxDataViewModel *model = GetModel();
if (!model)
{
Refresh();
int x, y;
m_owner->GetScrollPixelsPerUnit( &x, &y );
int sy = GetLineStart( rows )/y;
- int sx = 0;
+ int sx = -1;
if( column != -1 )
{
wxRect rect = GetClientRect();
return wxMin( GetRowCount()-1, row );
}
-unsigned int wxDataViewMainWindow::GetRowCount()
+unsigned int wxDataViewMainWindow::GetRowCount() const
{
if ( m_count == -1 )
{
- m_count = RecalculateCount();
- UpdateDisplay();
+ wxDataViewMainWindow* const
+ self = const_cast<wxDataViewMainWindow*>(this);
+ self->m_count = RecalculateCount();
+ self->UpdateDisplay();
}
return m_count;
}
void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
{
wxWindow *parent = GetParent();
- wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
+ wxDataViewEvent le(wxEVT_DATAVIEW_SELECTION_CHANGED, parent->GetId());
le.SetEventObject(parent);
- le.SetModel(GetOwner()->GetModel());
+ le.SetModel(GetModel());
le.SetItem( item );
- parent->GetEventHandler()->ProcessEvent(le);
+ parent->ProcessWindowEvent(le);
}
void wxDataViewMainWindow::RefreshRow( unsigned int row )
Refresh( true, &rect );
}
-void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
-{
- wxCHECK_RET( newCurrent < GetRowCount(),
- wxT("invalid item index in OnArrowChar()") );
-
- // if there is no selection, we cannot move it anywhere
- if (!HasCurrentRow())
- return;
-
- unsigned int oldCurrent = m_currentRow;
-
- // in single selection we just ignore Shift as we can't select several
- // items anyhow
- if ( event.ShiftDown() && !IsSingleSel() )
- {
- RefreshRow( oldCurrent );
-
- ChangeCurrentRow( newCurrent );
-
- // select all the items between the old and the new one
- if ( oldCurrent > newCurrent )
- {
- newCurrent = oldCurrent;
- oldCurrent = m_currentRow;
- }
-
- SelectRows( oldCurrent, newCurrent, true );
- if (oldCurrent!=newCurrent)
- SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
- }
- else // !shift
- {
- RefreshRow( oldCurrent );
-
- // all previously selected items are unselected unless ctrl is held
- if ( !event.ControlDown() )
- SelectAllRows(false);
-
- ChangeCurrentRow( newCurrent );
-
- if ( !event.ControlDown() )
- {
- SelectRow( m_currentRow, true );
- SendSelectionChangedEvent(GetItemByRow(m_currentRow));
- }
- else
- RefreshRow( m_currentRow );
- }
-
- GetOwner()->EnsureVisible( m_currentRow, -1 );
-}
-
wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
{
wxRect rect;
int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
{
- const wxDataViewModel *model = GetOwner()->GetModel();
+ const wxDataViewModel *model = GetModel();
if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
{
wxDataViewItem item = node->GetItem();
- if (node && !node->HasChildren())
- {
- // Yes, if the node does not have any child, it must be a leaf which
- // mean that it is a temporarily created by GetTreeNodeByRow
- wxDELETE(node);
- }
-
unsigned int cols = GetOwner()->GetColumnCount();
unsigned int col;
int height = m_lineHeight;
int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
{
- const wxDataViewModel *model = GetOwner()->GetModel();
+ const wxDataViewModel *model = GetModel();
// check for the easy case first
if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
wxDataViewItem item = node->GetItem();
- if (node && !node->HasChildren())
- {
- // Yes, if the node does not have any child, it must be a leaf which
- // mean that it is a temporarily created by GetTreeNodeByRow
- wxDELETE(node);
- }
-
unsigned int cols = GetOwner()->GetColumnCount();
unsigned int col;
int height = m_lineHeight;
int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
{
- const wxDataViewModel *model = GetOwner()->GetModel();
+ const wxDataViewModel *model = GetModel();
if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
{
wxDataViewItem item = node->GetItem();
- if (node && !node->HasChildren())
- {
- // Yes, if the node does not have any child, it must be a leaf which
- // mean that it is a temporarily created by GetTreeNodeByRow
- wxDELETE(node);
- }
-
int height = m_lineHeight;
unsigned int cols = GetOwner()->GetColumnCount();
}
}
-class RowToItemJob: public DoJob
-{
-public:
- RowToItemJob( unsigned int row , int current )
- { this->row = row; this->current = current; }
- virtual ~RowToItemJob() {}
-
- virtual int operator() ( wxDataViewTreeNode * node )
- {
- current ++;
- if( current == static_cast<int>(row))
- {
- ret = node->GetItem();
- return DoJob::OK;
- }
-
- if( node->GetSubTreeCount() + current < static_cast<int>(row) )
- {
- current += node->GetSubTreeCount();
- return DoJob::IGR;
- }
- else
- {
- // If the current has no child node, we can find the desired item of the row
- // number directly.
- // This if can speed up finding in some case, and will has a very good effect
- // when it comes to list view
- if( node->GetNodes().GetCount() == 0)
- {
- int index = static_cast<int>(row) - current - 1;
- ret = wxDataViewItem(node->GetChildren().Item( index ));
- return DoJob::OK;
- }
- return DoJob::CONT;
- }
- }
-
- virtual int operator() ( void * n )
- {
- current ++;
- if( current == static_cast<int>(row))
- {
- ret = wxDataViewItem( n );
- return DoJob::OK;
- }
- return DoJob::CONT;
- }
-
- wxDataViewItem GetResult() const
- { return ret; }
-
-private:
- unsigned int row;
- int current;
- wxDataViewItem ret;
-};
-
-wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
-{
- if (IsVirtualList())
- {
- return wxDataViewItem( wxUIntToPtr(row+1) );
- }
- else
- {
- RowToItemJob job( row, -2 );
- Walker( m_root , job );
- return job.GetResult();
- }
-}
class RowToTreeNodeJob: public DoJob
{
ret = NULL;
parent = node;
}
- virtual ~RowToTreeNodeJob(){ }
virtual int operator() ( wxDataViewTreeNode * node )
{
if( current == static_cast<int>(row))
{
ret = node;
- return DoJob::OK;
+ return DoJob::DONE;
}
if( node->GetSubTreeCount() + current < static_cast<int>(row) )
{
current += node->GetSubTreeCount();
- return DoJob::IGR;
+ return DoJob::SKIP_SUBTREE;
}
else
{
parent = node;
- // If the current node has no children, we can find the desired item of the
- // row number directly.
- // This if can speed up finding in some case, and will have a very good
- // effect for list views.
- if( node->GetNodes().GetCount() == 0)
+ // If the current node has only leaf children, we can find the
+ // desired node directly. This can speed up finding the node
+ // in some cases, and will have a very good effect for list views.
+ if ( node->HasChildren() &&
+ (int)node->GetChildNodes().size() == node->GetSubTreeCount() )
{
- int index = static_cast<int>(row) - current - 1;
- void * n = node->GetChildren().Item( index );
- ret = new wxDataViewTreeNode( parent );
- ret->SetItem( wxDataViewItem( n ));
- ret->SetHasChildren(false);
- return DoJob::OK;
+ const int index = static_cast<int>(row) - current - 1;
+ ret = node->GetChildNodes()[index];
+ return DoJob::DONE;
}
- return DoJob::CONT;
- }
- }
- virtual int operator() ( void * n )
- {
- current ++;
- if( current == static_cast<int>(row))
- {
- ret = new wxDataViewTreeNode( parent );
- ret->SetItem( wxDataViewItem( n ));
- ret->SetHasChildren(false);
- return DoJob::OK;
+ return DoJob::CONTINUE;
}
-
- return DoJob::CONT;
}
wxDataViewTreeNode * GetResult() const
{
wxASSERT( !IsVirtualList() );
+ if ( row == (unsigned)-1 )
+ return NULL;
+
RowToTreeNodeJob job( row , -2, m_root );
Walker( m_root , job );
return job.GetResult();
}
-wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
- const wxDataViewItem & item )
+wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
+{
+ wxDataViewItem item;
+ if (IsVirtualList())
+ {
+ if ( row < GetRowCount() )
+ item = wxDataViewItem(wxUIntToPtr(row+1));
+ }
+ else
+ {
+ wxDataViewTreeNode *node = GetTreeNodeByRow(row);
+ if ( node )
+ item = node->GetItem();
+ }
+
+ return item;
+}
+
+bool
+wxDataViewMainWindow::SendExpanderEvent(wxEventType type,
+ const wxDataViewItem& item)
{
wxWindow *parent = GetParent();
wxDataViewEvent le(type, parent->GetId());
le.SetEventObject(parent);
- le.SetModel(GetOwner()->GetModel());
+ le.SetModel(GetModel());
le.SetItem( item );
- parent->GetEventHandler()->ProcessEvent(le);
- return le;
+ return !parent->ProcessWindowEvent(le) || le.IsAllowed();
}
bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
return false;
if (!node->HasChildren())
- {
- delete node;
return false;
- }
return node->IsOpen();
}
return false;
if (!node->HasChildren())
- {
- delete node;
return false;
- }
return true;
}
return;
if (!node->HasChildren())
- {
- delete node;
return;
- }
-
- if (!node->IsOpen())
- {
- wxDataViewEvent e =
- SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
- // Check if the user prevent expanding
- if( e.GetSkipped() )
- return;
+ if (!node->IsOpen())
+ {
+ if ( !SendExpanderEvent(wxEVT_DATAVIEW_ITEM_EXPANDING, node->GetItem()) )
+ {
+ // Vetoed by the event handler.
+ return;
+ }
- node->ToggleOpen();
+ node->ToggleOpen();
- // build the children of current node
- if( node->GetChildrenNumber() == 0 )
- {
- SortPrepare();
- ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
- }
+ // build the children of current node
+ if( node->GetChildNodes().empty() )
+ {
+ SortPrepare();
+ ::BuildTreeHelper(GetModel(), node->GetItem(), node);
+ }
- // By expanding the node all row indices that are currently in the selection list
- // and are greater than our node have become invalid. So we have to correct that now.
- const unsigned rowAdjustment = node->GetSubTreeCount();
- for(unsigned i=0; i<m_selection.size(); ++i)
- {
- const unsigned testRow = m_selection[i];
- // all rows above us are not affected, so skip them
- if(testRow <= row)
- continue;
+ // By expanding the node all row indices that are currently in the selection list
+ // and are greater than our node have become invalid. So we have to correct that now.
+ const unsigned rowAdjustment = node->GetSubTreeCount();
+ for(unsigned i=0; i<m_selection.size(); ++i)
+ {
+ const unsigned testRow = m_selection[i];
+ // all rows above us are not affected, so skip them
+ if(testRow <= row)
+ continue;
- m_selection[i] += rowAdjustment;
- }
+ m_selection[i] += rowAdjustment;
+ }
- if(m_currentRow > row)
- ChangeCurrentRow(m_currentRow + rowAdjustment);
+ if(m_currentRow > row)
+ ChangeCurrentRow(m_currentRow + rowAdjustment);
- m_count = -1;
- UpdateDisplay();
- // Send the expanded event
- SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
- }
+ m_count = -1;
+ UpdateDisplay();
+ // Send the expanded event
+ SendExpanderEvent(wxEVT_DATAVIEW_ITEM_EXPANDED,node->GetItem());
+ }
}
void wxDataViewMainWindow::Collapse(unsigned int row)
return;
if (!node->HasChildren())
- {
- delete node;
return;
- }
if (node->IsOpen())
{
- wxDataViewEvent e =
- SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
- if( e.GetSkipped() )
+ if ( !SendExpanderEvent(wxEVT_DATAVIEW_ITEM_COLLAPSING,node->GetItem()) )
+ {
+ // Vetoed by the event handler.
return;
+ }
// Find out if there are selected items below the current node.
bool selectCollapsingRow = false;
m_count = -1;
UpdateDisplay();
- SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
+ SendExpanderEvent(wxEVT_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
}
}
wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
{
- const wxDataViewModel * model = GetOwner()->GetModel();
+ const wxDataViewModel * model = GetModel();
if( model == NULL )
return NULL;
{
if( node->HasChildren() )
{
- if( node->GetChildrenNumber() == 0 )
+ if( node->GetChildNodes().empty() )
{
+ // Even though the item is a container, it doesn't have any
+ // child nodes in the control's representation yet. We have
+ // to realize its subtree now.
SortPrepare();
::BuildTreeHelper(model, node->GetItem(), node);
}
- const wxDataViewTreeNodes& nodes = node->GetNodes();
+ const wxDataViewTreeNodes& nodes = node->GetChildNodes();
bool found = false;
for (unsigned i = 0; i < nodes.GetCount(); ++i)
// to get the correct x position where the actual text is
int indent = 0;
int row = GetRowByItem(item);
- if (!IsList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
+ if (!IsList() &&
+ (column == 0 || GetExpanderColumnOrFirstOne(GetOwner()) == column) )
{
wxDataViewTreeNode* node = GetTreeNodeByRow(row);
indent = GetOwner()->GetIndent() * node->GetIndentLevel();
indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
-
- if(!node->HasChildren())
- delete node;
}
wxRect itemRect( xpos + indent,
return itemRect;
}
-int wxDataViewMainWindow::RecalculateCount()
+int wxDataViewMainWindow::RecalculateCount() const
{
if (IsVirtualList())
{
wxDataViewVirtualListModel *list_model =
- (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+ (wxDataViewVirtualListModel*) GetModel();
return list_model->GetCount();
}
ret ++;
if( node->GetItem() == item )
{
- return DoJob::OK;
+ return DoJob::DONE;
}
if( node->GetItem() == *m_iter )
{
m_iter++;
- return DoJob::CONT;
+ return DoJob::CONTINUE;
}
else
{
ret += node->GetSubTreeCount();
- return DoJob::IGR;
+ return DoJob::SKIP_SUBTREE;
}
}
- virtual int operator() ( void * n )
- {
- ret ++;
- if( n == item.GetID() )
- return DoJob::OK;
- return DoJob::CONT;
- }
-
// the row number is begin from zero
int GetResult() const
{ return ret -1; }
int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
{
- const wxDataViewModel * model = GetOwner()->GetModel();
+ const wxDataViewModel * model = GetModel();
if( model == NULL )
return -1;
wxDataViewItemArray children;
unsigned int num = model->GetChildren( item, children);
- unsigned int index = 0;
- while( index < num )
+ for ( unsigned int index = 0; index < num; index++ )
{
- if( model->IsContainer( children[index] ) )
- {
- wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
- n->SetItem(children[index]);
+ wxDataViewTreeNode *n = new wxDataViewTreeNode(node, children[index]);
+
+ if( model->IsContainer(children[index]) )
n->SetHasChildren( true );
- node->AddNode( n );
- }
- else
- {
- node->AddLeaf( children[index].GetID() );
- }
- index ++;
+
+ node->InsertChild(n, index);
}
- node->SetSubTreeCount( num );
- wxDataViewTreeNode * n = node->GetParent();
- if( n != NULL)
- n->ChangeSubTreeCount(num);
+ wxASSERT( node->IsOpen() );
+ node->ChangeSubTreeCount(+num);
}
void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
{
DestroyTree();
- if (GetOwner()->GetModel()->IsVirtualListModel())
+ if (GetModel()->IsVirtualListModel())
{
m_count = -1;
return;
}
- m_root = new wxDataViewTreeNode( NULL );
- m_root->SetHasChildren(true);
+ m_root = wxDataViewTreeNode::CreateRootNode();
// First we define a invalid item to fetch the top-level elements
wxDataViewItem item;
m_count = -1;
}
-static void DestroyTreeHelper( wxDataViewTreeNode * node )
+void wxDataViewMainWindow::DestroyTree()
{
- if( node->GetNodeNumber() != 0 )
+ if (!IsVirtualList())
{
- int len = node->GetNodeNumber();
- wxDataViewTreeNodes& nodes = node->GetNodes();
- for (int i = 0; i < len; i++)
- DestroyTreeHelper(nodes[i]);
+ wxDELETE(m_root);
+ m_count = 0;
}
- delete node;
}
-void wxDataViewMainWindow::DestroyTree()
+wxDataViewColumn*
+wxDataViewMainWindow::FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode)
{
- if (!IsVirtualList())
+ // Edit the current column editable in 'mode'. If no column is focused
+ // (typically because the user has full row selected), try to find the
+ // first editable column (this would typically be a checkbox for
+ // wxDATAVIEW_CELL_ACTIVATABLE and we don't want to force the user to set
+ // focus on the checkbox column; or on the only editable text column).
+
+ wxDataViewColumn *candidate = m_currentCol;
+
+ if ( candidate &&
+ !IsCellEditableInMode(item, candidate, mode) &&
+ !m_currentColSetByKeyboard )
+ {
+ // If current column was set by mouse to something not editable (in
+ // 'mode') and the user pressed Space/F2 to edit it, treat the
+ // situation as if there was whole-row focus, because that's what is
+ // visually indicated and the mouse click could very well be targeted
+ // on the row rather than on an individual cell.
+ //
+ // But if it was done by keyboard, respect that even if the column
+ // isn't editable, because focus is visually on that column and editing
+ // something else would be surprising.
+ candidate = NULL;
+ }
+
+ if ( !candidate )
{
- ::DestroyTreeHelper(m_root);
- m_count = 0;
- m_root = NULL;
+ const unsigned cols = GetOwner()->GetColumnCount();
+ for ( unsigned i = 0; i < cols; i++ )
+ {
+ wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
+ if ( c->IsHidden() )
+ continue;
+
+ if ( IsCellEditableInMode(item, c, mode) )
+ {
+ candidate = c;
+ break;
+ }
+ }
+ }
+
+ // If on container item without columns, only the expander column
+ // may be directly editable:
+ if ( candidate &&
+ GetOwner()->GetExpanderColumn() != candidate &&
+ GetModel()->IsContainer(item) &&
+ !GetModel()->HasContainerColumns(item) )
+ {
+ candidate = GetOwner()->GetExpanderColumn();
}
+
+ if ( !candidate )
+ return NULL;
+
+ if ( !IsCellEditableInMode(item, candidate, mode) )
+ return NULL;
+
+ return candidate;
+}
+
+bool wxDataViewMainWindow::IsCellEditableInMode(const wxDataViewItem& item,
+ const wxDataViewColumn *col,
+ wxDataViewCellMode mode) const
+{
+ if ( col->GetRenderer()->GetMode() != mode )
+ return false;
+
+ if ( !GetModel()->IsEnabled(item, col->GetModelColumn()) )
+ return false;
+
+ return true;
+}
+
+void wxDataViewMainWindow::OnCharHook(wxKeyEvent& event)
+{
+ if ( m_editorCtrl )
+ {
+ // Handle any keys special for the in-place editor and return without
+ // calling Skip() below.
+ switch ( event.GetKeyCode() )
+ {
+ case WXK_ESCAPE:
+ m_editorRenderer->CancelEditing();
+ return;
+
+ case WXK_RETURN:
+ m_editorRenderer->FinishEditing();
+ return;
+ }
+ }
+
+ event.Skip();
}
void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
switch ( event.GetKeyCode() )
{
case WXK_RETURN:
+ if ( event.HasModifiers() )
{
- wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
+ event.Skip();
+ break;
+ }
+ else
+ {
+ // Enter activates the item, i.e. sends wxEVT_DATAVIEW_ITEM_ACTIVATED to
+ // it. Only if that event is not handled do we activate column renderer (which
+ // is normally done by Space) or even inline editing.
+
+ const wxDataViewItem item = GetItemByRow(m_currentRow);
+
+ wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_ACTIVATED,
parent->GetId());
- le.SetItem( GetItemByRow(m_currentRow) );
+ le.SetItem(item);
le.SetEventObject(parent);
- le.SetModel(GetOwner()->GetModel());
+ le.SetModel(GetModel());
+
+ if ( parent->ProcessWindowEvent(le) )
+ break;
+ // else: fall through to WXK_SPACE handling
+ }
+
+ case WXK_SPACE:
+ if ( event.HasModifiers() )
+ {
+ event.Skip();
+ break;
+ }
+ else
+ {
+ // Space toggles activatable items or -- if not activatable --
+ // starts inline editing (this is normally done using F2 on
+ // Windows, but Space is common everywhere else, so use it too
+ // for greater cross-platform compatibility).
+
+ const wxDataViewItem item = GetItemByRow(m_currentRow);
+
+ // Activate the current activatable column. If not column is focused (typically
+ // because the user has full row selected), try to find the first activatable
+ // column (this would typically be a checkbox and we don't want to force the user
+ // to set focus on the checkbox column).
+ wxDataViewColumn *activatableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_ACTIVATABLE);
+
+ if ( activatableCol )
+ {
+ const unsigned colIdx = activatableCol->GetModelColumn();
+ const wxRect cell_rect = GetOwner()->GetItemRect(item, activatableCol);
+
+ wxDataViewRenderer *cell = activatableCol->GetRenderer();
+ cell->PrepareForItem(GetModel(), item, colIdx);
+ cell->WXActivateCell(cell_rect, GetModel(), item, colIdx, NULL);
+
+ break;
+ }
+ // else: fall through to WXK_F2 handling
+ }
- parent->GetEventHandler()->ProcessEvent(le);
+ case WXK_F2:
+ if ( event.HasModifiers() )
+ {
+ event.Skip();
+ break;
+ }
+ else
+ {
+ if( !m_selection.empty() )
+ {
+ // Mimic Windows 7 behavior: edit the item that has focus
+ // if it is selected and the first selected item if focus
+ // is out of selection.
+ int sel;
+ if ( m_selection.Index(m_currentRow) != wxNOT_FOUND )
+ sel = m_currentRow;
+ else
+ sel = m_selection[0];
+
+
+ const wxDataViewItem item = GetItemByRow(sel);
+
+ // Edit the current column. If no column is focused
+ // (typically because the user has full row selected), try
+ // to find the first editable column.
+ wxDataViewColumn *editableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_EDITABLE);
+
+ if ( editableCol )
+ GetOwner()->EditItem(item, editableCol);
+ }
}
break;
case WXK_UP:
- if ( m_currentRow > 0 )
- OnArrowChar( m_currentRow - 1, event );
+ OnVerticalNavigation( -1, event );
break;
case WXK_DOWN:
- if ( m_currentRow + 1 < GetRowCount() )
- OnArrowChar( m_currentRow + 1, event );
+ OnVerticalNavigation( +1, event );
break;
// Add the process for tree expanding/collapsing
case WXK_LEFT:
+ OnLeftKey();
+ break;
+
+ case WXK_RIGHT:
+ OnRightKey();
+ break;
+
+ case WXK_END:
+ OnVerticalNavigation( +(int)GetRowCount(), event );
+ break;
+
+ case WXK_HOME:
+ OnVerticalNavigation( -(int)GetRowCount(), event );
+ break;
+
+ case WXK_PAGEUP:
+ OnVerticalNavigation( -(pageSize - 1), event );
+ break;
+
+ case WXK_PAGEDOWN:
+ OnVerticalNavigation( +(pageSize - 1), event );
+ break;
+
+ default:
+ event.Skip();
+ }
+}
+
+void wxDataViewMainWindow::OnVerticalNavigation(int delta, const wxKeyEvent& event)
+{
+ // if there is no selection, we cannot move it anywhere
+ if (!HasCurrentRow() || IsEmpty())
+ return;
+
+ int newRow = (int)m_currentRow + delta;
+
+ // let's keep the new row inside the allowed range
+ if ( newRow < 0 )
+ newRow = 0;
+
+ const int rowCount = (int)GetRowCount();
+ if ( newRow >= rowCount )
+ newRow = rowCount - 1;
+
+ unsigned int oldCurrent = m_currentRow;
+ unsigned int newCurrent = (unsigned int)newRow;
+
+ // in single selection we just ignore Shift as we can't select several
+ // items anyhow
+ if ( event.ShiftDown() && !IsSingleSel() )
+ {
+ RefreshRow( oldCurrent );
+
+ ChangeCurrentRow( newCurrent );
+
+ // select all the items between the old and the new one
+ if ( oldCurrent > newCurrent )
{
- if (IsList())
- break;
+ newCurrent = oldCurrent;
+ oldCurrent = m_currentRow;
+ }
- wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
- if (!node)
- break;
+ SelectRows( oldCurrent, newCurrent, true );
+ if (oldCurrent!=newCurrent)
+ SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
+ }
+ else // !shift
+ {
+ RefreshRow( oldCurrent );
- if (node->HasChildren() && node->IsOpen())
- {
- Collapse(m_currentRow);
- }
- else // if the node is already closed we move the selection to its parent
- {
- wxDataViewTreeNode *parent_node = node->GetParent();
+ // all previously selected items are unselected unless ctrl is held
+ if ( !event.ControlDown() )
+ SelectAllRows(false);
+
+ ChangeCurrentRow( newCurrent );
+
+ if ( !event.ControlDown() )
+ {
+ SelectRow( m_currentRow, true );
+ SendSelectionChangedEvent(GetItemByRow(m_currentRow));
+ }
+ else
+ RefreshRow( m_currentRow );
+ }
- if(!node->HasChildren())
- delete node;
+ GetOwner()->EnsureVisible( m_currentRow, -1 );
+}
- if (parent_node)
+void wxDataViewMainWindow::OnLeftKey()
+{
+ if ( IsList() )
+ {
+ TryAdvanceCurrentColumn(NULL, /*forward=*/false);
+ }
+ else
+ {
+ wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
+ if ( !node )
+ return;
+
+ if ( TryAdvanceCurrentColumn(node, /*forward=*/false) )
+ return;
+
+ // Because TryAdvanceCurrentColumn() return false, we are at the first
+ // column or using whole-row selection. In this situation, we can use
+ // the standard TreeView handling of the left key.
+ if (node->HasChildren() && node->IsOpen())
+ {
+ Collapse(m_currentRow);
+ }
+ else
+ {
+ // if the node is already closed, we move the selection to its parent
+ wxDataViewTreeNode *parent_node = node->GetParent();
+
+ if (parent_node)
+ {
+ int parent = GetRowByItem( parent_node->GetItem() );
+ if ( parent >= 0 )
{
- int parent = GetRowByItem( parent_node->GetItem() );
- if ( parent >= 0 )
- {
- unsigned int row = m_currentRow;
- SelectRow( row, false);
- SelectRow( parent, true );
- ChangeCurrentRow( parent );
- GetOwner()->EnsureVisible( parent, -1 );
- SendSelectionChangedEvent( parent_node->GetItem() );
- }
+ unsigned int row = m_currentRow;
+ SelectRow( row, false);
+ SelectRow( parent, true );
+ ChangeCurrentRow( parent );
+ GetOwner()->EnsureVisible( parent, -1 );
+ SendSelectionChangedEvent( parent_node->GetItem() );
}
}
- break;
}
- case WXK_RIGHT:
+ }
+}
+
+void wxDataViewMainWindow::OnRightKey()
+{
+ if ( IsList() )
+ {
+ TryAdvanceCurrentColumn(NULL, /*forward=*/true);
+ }
+ else
+ {
+ wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
+ if ( !node )
+ return;
+
+ if ( node->HasChildren() )
{
- if (!IsExpanded( m_currentRow ))
+ if ( !node->IsOpen() )
+ {
Expand( m_currentRow );
+ }
else
{
+ // if the node is already open, we move the selection to the first child
unsigned int row = m_currentRow;
SelectRow( row, false );
SelectRow( row + 1, true );
GetOwner()->EnsureVisible( row + 1, -1 );
SendSelectionChangedEvent( GetItemByRow(row+1) );
}
- break;
}
- case WXK_END:
+ else
{
- if (!IsEmpty())
- OnArrowChar( GetRowCount() - 1, event );
- break;
+ TryAdvanceCurrentColumn(node, /*forward=*/true);
}
- case WXK_HOME:
- if (!IsEmpty())
- OnArrowChar( 0, event );
- break;
+ }
+}
- case WXK_PAGEUP:
- {
- int steps = pageSize - 1;
- int index = m_currentRow - steps;
- if (index < 0)
- index = 0;
+bool wxDataViewMainWindow::TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward)
+{
+ if ( GetOwner()->GetColumnCount() == 0 )
+ return false;
- OnArrowChar( index, event );
- }
- break;
+ if ( !m_useCellFocus )
+ return false;
- case WXK_PAGEDOWN:
- {
- int steps = pageSize - 1;
- unsigned int index = m_currentRow + steps;
- unsigned int count = GetRowCount();
- if ( index >= count )
- index = count - 1;
+ if ( node )
+ {
+ // navigation shouldn't work in branch nodes without other columns:
+ if ( node->HasChildren() && !GetModel()->HasContainerColumns(node->GetItem()) )
+ return false;
+ }
- OnArrowChar( index, event );
- }
- break;
+ if ( m_currentCol == NULL || !m_currentColSetByKeyboard )
+ {
+ if ( forward )
+ {
+ m_currentCol = GetOwner()->GetColumnAt(1);
+ m_currentColSetByKeyboard = true;
+ RefreshRow(m_currentRow);
+ return true;
+ }
+ else
+ return false;
+ }
- case WXK_F2:
- {
- if(m_selection.size() == 1)
- {
- // TODO: we need to revise that when we have a concept for a 'current column'
- GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
- }
- }
- break;
+ int idx = GetOwner()->GetColumnIndex(m_currentCol) + (forward ? +1 : -1);
- default:
- event.Skip();
+ if ( idx >= (int)GetOwner()->GetColumnCount() )
+ return false;
+
+ GetOwner()->EnsureVisible(m_currentRow, idx);
+
+ if ( idx < 1 )
+ {
+ // We are going to the left of the second column. Reset to whole-row
+ // focus (which means first column would be edited).
+ m_currentCol = NULL;
+ RefreshRow(m_currentRow);
+ return true;
}
+
+ m_currentCol = GetOwner()->GetColumnAt(idx);
+ m_currentColSetByKeyboard = true;
+ RefreshRow(m_currentRow);
+ return true;
}
void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
return;
}
- // set the focus to ourself if any of the mouse buttons are pressed
- if(event.ButtonDown() && !HasFocus())
- SetFocus();
+ if(event.ButtonDown())
+ {
+ // Not skipping button down events would prevent the system from
+ // setting focus to this window as most (all?) of them do by default,
+ // so skip it to enable default handling.
+ event.Skip();
+ }
int x = event.GetX();
int y = event.GetY();
}
xpos += c->GetWidth();
}
- if (!col)
- {
- event.Skip();
- return;
- }
- wxDataViewRenderer *cell = col->GetRenderer();
- unsigned int current = GetLineAt( y );
- if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
- {
- // Unselect all if below the last row ?
- event.Skip();
- return;
- }
+ wxDataViewModel* const model = GetModel();
- // Test whether the mouse is hovered on the tree item button
- bool hoverOverExpander = false;
- if ((!IsList()) && (GetOwner()->GetExpanderColumn() == col))
- {
- wxDataViewTreeNode * node = GetTreeNodeByRow(current);
- if( node!=NULL && node->HasChildren() )
- {
- int indent = node->GetIndentLevel();
- indent = GetOwner()->GetIndent()*indent;
+ const unsigned int current = GetLineAt( y );
+ const wxDataViewItem item = GetItemByRow(current);
- // we make the rectangle we are looking in a bit bigger than the actual
- // visual expander so the user can hit that little thing reliably
- wxRect rect( xpos + indent,
- GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
- m_lineHeight, m_lineHeight);
- if( rect.Contains(x, y) )
- {
- // So the mouse is over the expander
- hoverOverExpander = true;
- if (m_underMouse && m_underMouse != node)
- {
- // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
- RefreshRow(GetRowByItem(m_underMouse->GetItem()));
- }
- if (m_underMouse != node)
- {
- // wxLogMessage("Do the row: %d", current);
- RefreshRow(current);
- }
- m_underMouse = node;
- }
- }
- if (node!=NULL && !node->HasChildren())
- delete node;
- }
- if (!hoverOverExpander)
+ // Handle right clicking here, before everything else as context menu
+ // events should be sent even when we click outside of any item, unlike all
+ // the other ones.
+ if (event.RightUp())
{
- if (m_underMouse != NULL)
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
+ le.SetEventObject(parent);
+ le.SetModel(model);
+
+ if ( item.IsOk() && col )
{
- // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
- RefreshRow(GetRowByItem(m_underMouse->GetItem()));
- m_underMouse = NULL;
+ le.SetItem( item );
+ le.SetColumn( col->GetModelColumn() );
+ le.SetDataViewColumn( col );
}
- }
- wxDataViewModel *model = GetOwner()->GetModel();
+ parent->ProcessWindowEvent(le);
+ return;
+ }
#if wxUSE_DRAG_AND_DROP
- if (event.Dragging())
+ if (event.Dragging() || ((m_dragCount > 0) && event.Leaving()))
{
if (m_dragCount == 0)
{
}
m_dragCount++;
-
- if (m_dragCount != 3)
+ if ((m_dragCount < 3) && (event.Leaving()))
+ m_dragCount = 3;
+ else if (m_dragCount != 3)
return;
if (event.LeftIsDown())
m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
&m_dragStart.x, &m_dragStart.y );
unsigned int drag_item_row = GetLineAt( m_dragStart.y );
- wxDataViewItem item = GetItemByRow( drag_item_row );
+ wxDataViewItem itemDragged = GetItemByRow( drag_item_row );
// Notify cell about drag
- wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
+ wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
event.SetEventObject( m_owner );
- event.SetItem( item );
+ event.SetItem( itemDragged );
event.SetModel( model );
if (!m_owner->HandleWindowEvent( event ))
return;
wxDataViewDropSource drag( this, drag_item_row );
drag.SetData( *obj );
- /* wxDragResult res = */ drag.DoDragDrop();
+ /* wxDragResult res = */ drag.DoDragDrop(event.GetDragFlags());
delete obj;
}
return;
}
#endif // wxUSE_DRAG_AND_DROP
+ // Check if we clicked outside the item area.
+ if ((current >= GetRowCount()) || !col)
+ {
+ // Follow Windows convention here: clicking either left or right (but
+ // not middle) button clears the existing selection.
+ if (m_owner && (event.LeftDown() || event.RightDown()))
+ {
+ if (!GetSelections().empty())
+ {
+ m_owner->UnselectAll();
+ SendSelectionChangedEvent(wxDataViewItem());
+ }
+ }
+ event.Skip();
+ return;
+ }
+
+ wxDataViewRenderer *cell = col->GetRenderer();
+ wxDataViewColumn* const
+ expander = GetExpanderColumnOrFirstOne(GetOwner());
+
+ // Test whether the mouse is hovering over the expander (a.k.a tree "+"
+ // button) and also determine the offset of the real cell start, skipping
+ // the indentation and the expander itself.
+ bool hoverOverExpander = false;
+ int itemOffset = 0;
+ if ((!IsList()) && (expander == col))
+ {
+ wxDataViewTreeNode * node = GetTreeNodeByRow(current);
+
+ int indent = node->GetIndentLevel();
+ itemOffset = GetOwner()->GetIndent()*indent;
+
+ if ( node->HasChildren() )
+ {
+ // we make the rectangle we are looking in a bit bigger than the actual
+ // visual expander so the user can hit that little thing reliably
+ wxRect rect(itemOffset,
+ GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
+ m_lineHeight, m_lineHeight);
+
+ if( rect.Contains(x, y) )
+ {
+ // So the mouse is over the expander
+ hoverOverExpander = true;
+ if (m_underMouse && m_underMouse != node)
+ {
+ // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
+ RefreshRow(GetRowByItem(m_underMouse->GetItem()));
+ }
+ if (m_underMouse != node)
+ {
+ // wxLogMessage("Do the row: %d", current);
+ RefreshRow(current);
+ }
+ m_underMouse = node;
+ }
+ }
+
+ // Account for the expander as well, even if this item doesn't have it,
+ // its parent does so it still counts for the offset.
+ itemOffset += m_lineHeight;
+ }
+ if (!hoverOverExpander)
+ {
+ if (m_underMouse != NULL)
+ {
+ // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
+ RefreshRow(GetRowByItem(m_underMouse->GetItem()));
+ m_underMouse = NULL;
+ }
+ }
+
bool simulateClick = false;
if (event.ButtonDClick())
m_lastOnSame = false;
}
- wxDataViewItem item = GetItemByRow(current);
bool ignore_other_columns =
- ((GetOwner()->GetExpanderColumn() != col) &&
+ ((expander != col) &&
(model->IsContainer(item)) &&
(!model->HasContainerColumns(item)));
}
else if ( current == m_lineLastClicked )
{
- if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
- {
- const unsigned colIdx = col->GetModelColumn();
-
- cell->PrepareForItem(model, item, colIdx);
-
- wxRect cell_rect( xpos, GetLineStart( current ),
- col->GetWidth(), GetLineHeight( current ) );
- cell->WXOnActivate( cell_rect, model, item, colIdx );
- }
- else
- {
- wxWindow *parent = GetParent();
- wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
- le.SetItem( item );
- le.SetColumn( col->GetModelColumn() );
- le.SetDataViewColumn( col );
- le.SetEventObject(parent);
- le.SetModel(GetOwner()->GetModel());
-
- parent->GetEventHandler()->ProcessEvent(le);
- }
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
+ le.SetItem( item );
+ le.SetColumn( col->GetModelColumn() );
+ le.SetDataViewColumn( col );
+ le.SetEventObject(parent);
+ le.SetModel(GetModel());
+
+ parent->ProcessWindowEvent(le);
return;
}
else
if (m_lastOnSame && !ignore_other_columns)
{
if ((col == m_currentCol) && (current == m_currentRow) &&
- (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
+ IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
{
m_renameTimer->Start( 100, true );
}
SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
}
}
- else if (event.RightUp())
- {
- wxVariant value;
- model->GetValue( value, item, col->GetModelColumn() );
- wxWindow *parent = GetParent();
- wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
- le.SetItem( item );
- le.SetColumn( col->GetModelColumn() );
- le.SetDataViewColumn( col );
- le.SetEventObject(parent);
- le.SetModel(GetOwner()->GetModel());
- le.SetValue(value);
- parent->GetEventHandler()->ProcessEvent(le);
- }
else if (event.MiddleDown())
{
}
// Update selection here...
m_currentCol = col;
-
+ m_currentColSetByKeyboard = false;
+
+ // This flag is used to decide whether we should start editing the item
+ // label. We do it if the user clicks twice (but not double clicks,
+ // i.e. simulateClick is false) on the same item but not if the click
+ // was used for something else already, e.g. selecting the item (so it
+ // must have been already selected) or giving the focus to the control
+ // (so it must have had focus already).
m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
- (current == oldCurrentRow)) && oldWasSelected;
+ (current == oldCurrentRow)) && oldWasSelected &&
+ HasFocus();
- // Call LeftClick after everything else as under GTK+
- if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
+ // Call ActivateCell() after everything else as under GTK+
+ if ( IsCellEditableInMode(item, col, wxDATAVIEW_CELL_ACTIVATABLE) )
{
// notify cell about click
cell->PrepareForItem(model, item, col->GetModelColumn());
- wxRect cell_rect( xpos, GetLineStart( current ),
- col->GetWidth(), GetLineHeight( current ) );
+ wxRect cell_rect( xpos + itemOffset,
+ GetLineStart( current ),
+ col->GetWidth() - itemOffset,
+ GetLineHeight( current ) );
// Report position relative to the cell's custom area, i.e.
- // no the entire space as given by the control but the one
+ // not the entire space as given by the control but the one
// used by the renderer after calculation of alignment etc.
+ //
+ // Notice that this results in negative coordinates when clicking
+ // in the upper left corner of a centre-aligned cell which doesn't
+ // fill its column entirely so this is somewhat surprising, but we
+ // do it like this for compatibility with the native GTK+ version,
+ // see #12270.
// adjust the rectangle ourselves to account for the alignment
+ int align = cell->GetAlignment();
+ if ( align == wxDVR_DEFAULT_ALIGNMENT )
+ align = wxALIGN_CENTRE;
+
wxRect rectItem = cell_rect;
- const int align = cell->GetAlignment();
- if ( align != wxDVR_DEFAULT_ALIGNMENT )
+ const wxSize size = cell->GetSize();
+ if ( size.x >= 0 && size.x < cell_rect.width )
{
- const wxSize size = cell->GetSize();
-
- if ( size.x >= 0 && size.x < cell_rect.width )
- {
- if ( align & wxALIGN_CENTER_HORIZONTAL )
- rectItem.x += (cell_rect.width - size.x)/2;
- else if ( align & wxALIGN_RIGHT )
- rectItem.x += cell_rect.width - size.x;
- // else: wxALIGN_LEFT is the default
- }
-
- if ( size.y >= 0 && size.y < cell_rect.height )
- {
- if ( align & wxALIGN_CENTER_VERTICAL )
- rectItem.y += (cell_rect.height - size.y)/2;
- else if ( align & wxALIGN_BOTTOM )
- rectItem.y += cell_rect.height - size.y;
- // else: wxALIGN_TOP is the default
- }
+ if ( align & wxALIGN_CENTER_HORIZONTAL )
+ rectItem.x += (cell_rect.width - size.x)/2;
+ else if ( align & wxALIGN_RIGHT )
+ rectItem.x += cell_rect.width - size.x;
+ // else: wxALIGN_LEFT is the default
}
- wxPoint pos( event.GetPosition() );
- pos.x -= rectItem.x;
- pos.y -= rectItem.y;
-
- m_owner->CalcUnscrolledPosition( pos.x, pos.y, &pos.x, &pos.y );
+ if ( size.y >= 0 && size.y < cell_rect.height )
+ {
+ if ( align & wxALIGN_CENTER_VERTICAL )
+ rectItem.y += (cell_rect.height - size.y)/2;
+ else if ( align & wxALIGN_BOTTOM )
+ rectItem.y += cell_rect.height - size.y;
+ // else: wxALIGN_TOP is the default
+ }
- /* ignore ret */ cell->WXOnLeftClick( pos, cell_rect,
- model, item, col->GetModelColumn());
+ wxMouseEvent event2(event);
+ event2.m_x -= rectItem.x;
+ event2.m_y -= rectItem.y;
+ m_owner->CalcUnscrolledPosition(event2.m_x, event2.m_y, &event2.m_x, &event2.m_y);
+
+ /* ignore ret */ cell->WXActivateCell
+ (
+ cell_rect,
+ model,
+ item,
+ col->GetModelColumn(),
+ &event2
+ );
}
}
}
event.Skip();
}
-wxDataViewItem wxDataViewMainWindow::GetSelection() const
+void wxDataViewMainWindow::OnColumnsCountChanged()
{
- if( m_selection.GetCount() != 1 )
- return wxDataViewItem();
+ int editableCount = 0;
+
+ const unsigned cols = GetOwner()->GetColumnCount();
+ for ( unsigned i = 0; i < cols; i++ )
+ {
+ wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
+ if ( c->IsHidden() )
+ continue;
+ if ( c->GetRenderer()->GetMode() != wxDATAVIEW_CELL_INERT )
+ editableCount++;
+ }
+
+ m_useCellFocus = (editableCount > 1);
- return GetItemByRow( m_selection.Item(0));
+ UpdateDisplay();
}
//-----------------------------------------------------------------------------
m_sortingColumnIdx = wxNOT_FOUND;
m_headerArea = NULL;
+ m_clientArea = NULL;
+
+ m_colsDirty = false;
}
bool wxDataViewCtrl::Create(wxWindow *parent,
m_clientArea->SetFocus();
}
+bool wxDataViewCtrl::SetFont(const wxFont & font)
+{
+ if (!wxControl::SetFont(font))
+ return false;
+
+ if (m_headerArea)
+ m_headerArea->SetFont(font);
+
+ if (m_clientArea)
+ {
+ m_clientArea->SetFont(font);
+ m_clientArea->SetRowHeight(m_clientArea->GetDefaultRowHeight());
+ }
+
+ if (m_headerArea || m_clientArea)
+ {
+ InvalidateColBestWidths();
+ Layout();
+ }
+
+ return true;
+}
+
+
+
bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
{
if (!wxDataViewCtrlBase::AssociateModel( model ))
return false;
- m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
-
- model->AddNotifier( m_notifier );
+ if (model)
+ {
+ m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
+ model->AddNotifier( m_notifier );
+ }
+ else if (m_notifier)
+ {
+ m_notifier->Cleared();
+ m_notifier = NULL;
+ }
m_clientArea->DestroyTree();
- m_clientArea->BuildTree(model);
+ if (model)
+ {
+ m_clientArea->BuildTree(model);
+ }
m_clientArea->UpdateDisplay();
return false;
m_cols.Append( col );
- m_colsBestWidths.push_back(0);
+ m_colsBestWidths.push_back(CachedColWidthInfo());
OnColumnsCountChanged();
return true;
}
return false;
m_cols.Insert( col );
- m_colsBestWidths.insert(m_colsBestWidths.begin(), 0);
+ m_colsBestWidths.insert(m_colsBestWidths.begin(), CachedColWidthInfo());
OnColumnsCountChanged();
return true;
}
return false;
m_cols.Insert( pos, col );
- m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, 0);
+ m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, CachedColWidthInfo());
OnColumnsCountChanged();
return true;
}
if (m_headerArea)
m_headerArea->SetColumnCount(GetColumnCount());
- m_clientArea->UpdateDisplay();
+ m_clientArea->OnColumnsCountChanged();
}
void wxDataViewCtrl::DoSetExpanderColumn()
unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const
{
- if ( m_colsBestWidths[idx] != 0 )
- return m_colsBestWidths[idx];
+ if ( m_colsBestWidths[idx].width != 0 )
+ return m_colsBestWidths[idx].width;
const int count = m_clientArea->GetRowCount();
wxDataViewColumn *column = GetColumn(idx);
class MaxWidthCalculator
{
public:
- MaxWidthCalculator(wxDataViewMainWindow *clientArea,
+ MaxWidthCalculator(const wxDataViewCtrl *dvc,
+ wxDataViewMainWindow *clientArea,
wxDataViewRenderer *renderer,
const wxDataViewModel *model,
- unsigned column)
+ unsigned column,
+ int expanderSize)
: m_width(0),
+ m_dvc(dvc),
m_clientArea(clientArea),
m_renderer(renderer),
m_model(model),
- m_column(column)
+ m_column(column),
+ m_expanderSize(expanderSize)
+
{
+ m_isExpanderCol =
+ !clientArea->IsList() &&
+ (column == 0 ||
+ GetExpanderColumnOrFirstOne(const_cast<wxDataViewCtrl*>(dvc)) == dvc->GetColumnAt(column));
}
void UpdateWithWidth(int width)
void UpdateWithRow(int row)
{
- wxDataViewItem item = m_clientArea->GetItemByRow(row);
+ int indent = 0;
+ wxDataViewItem item;
+
+ if ( m_isExpanderCol )
+ {
+ wxDataViewTreeNode *node = m_clientArea->GetTreeNodeByRow(row);
+ item = node->GetItem();
+ indent = m_dvc->GetIndent() * node->GetIndentLevel() + m_expanderSize;
+ }
+ else
+ {
+ item = m_clientArea->GetItemByRow(row);
+ }
+
m_renderer->PrepareForItem(m_model, item, m_column);
- m_width = wxMax(m_width, m_renderer->GetSize().x);
+ m_width = wxMax(m_width, m_renderer->GetSize().x + indent);
}
int GetMaxWidth() const { return m_width; }
private:
int m_width;
+ const wxDataViewCtrl *m_dvc;
wxDataViewMainWindow *m_clientArea;
wxDataViewRenderer *m_renderer;
const wxDataViewModel *m_model;
unsigned m_column;
+ bool m_isExpanderCol;
+ int m_expanderSize;
};
- MaxWidthCalculator calculator(m_clientArea, renderer,
- GetModel(), column->GetModelColumn());
+ MaxWidthCalculator calculator(this, m_clientArea, renderer,
+ GetModel(), column->GetModelColumn(),
+ m_clientArea->GetRowHeight());
+
+ calculator.UpdateWithWidth(column->GetMinWidth());
if ( m_headerArea )
- {
- int header_width = m_headerArea->GetTextExtent(column->GetTitle()).x;
- // Labels on native MSW header are indented on both sides
- header_width +=
- wxRendererNative::Get().GetHeaderButtonMargin(m_headerArea);
- calculator.UpdateWithWidth(header_width);
- }
+ calculator.UpdateWithWidth(m_headerArea->GetColumnTitleWidth(*column));
// The code below deserves some explanation. For very large controls, we
// simply can't afford to calculate sizes for all items, it takes too
if ( max_width > 0 )
max_width += 2 * PADDING_RIGHTLEFT;
- const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx] = max_width;
+ const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx].width = max_width;
return max_width;
}
m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column));
m_cols.Erase(ret);
+
+ if ( m_clientArea->GetCurrentColumn() == column )
+ m_clientArea->ClearCurrentColumn();
+
OnColumnsCountChanged();
return true;
bool wxDataViewCtrl::ClearColumns()
{
+ SetExpanderColumn(NULL);
m_cols.Clear();
m_colsBestWidths.clear();
+
+ m_clientArea->ClearCurrentColumn();
+
OnColumnsCountChanged();
+
return true;
}
-void wxDataViewCtrl::UpdateColBestWidth(int idx)
+void wxDataViewCtrl::InvalidateColBestWidth(int idx)
{
- m_colsBestWidths[idx] = 0;
-
- if ( m_headerArea )
- m_headerArea->UpdateColumn(idx);
+ m_colsBestWidths[idx].width = 0;
+ m_colsBestWidths[idx].dirty = true;
+ m_colsDirty = true;
}
-void wxDataViewCtrl::UpdateColBestWidths()
+void wxDataViewCtrl::InvalidateColBestWidths()
{
+ // mark all columns as dirty:
m_colsBestWidths.clear();
m_colsBestWidths.resize(m_cols.size());
+ m_colsDirty = true;
+}
- if ( m_headerArea )
- {
- const unsigned cols = m_headerArea->GetColumnCount();
- for ( unsigned i = 0; i < cols; i++ )
+void wxDataViewCtrl::UpdateColWidths()
+{
+ m_colsDirty = false;
+
+ if ( !m_headerArea )
+ return;
+
+ const unsigned len = m_colsBestWidths.size();
+ for ( unsigned i = 0; i < len; i++ )
+ {
+ // Note that we have to have an explicit 'dirty' flag here instead of
+ // checking if the width==0, as is done in GetBestColumnWidth().
+ //
+ // Testing width==0 wouldn't work correctly if some code called
+ // GetWidth() after col. width invalidation but before
+ // wxDataViewCtrl::UpdateColWidths() was called at idle time. This
+ // would result in the header's column width getting out of sync with
+ // the control itself.
+ if ( m_colsBestWidths[i].dirty )
+ {
m_headerArea->UpdateColumn(i);
+ m_colsBestWidths[i].dirty = false;
+ }
}
}
+void wxDataViewCtrl::OnInternalIdle()
+{
+ wxDataViewCtrlBase::OnInternalIdle();
+
+ if ( m_colsDirty )
+ UpdateColWidths();
+}
+
int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
{
-#if 1
unsigned int len = GetColumnCount();
for ( unsigned int i = 0; i < len; i++ )
{
}
return wxNOT_FOUND;
-#else
- // This returns the position in pixels which is not what we want.
- int ret = 0,
- dummy = 0;
- unsigned int len = GetColumnCount();
- for ( unsigned int i = 0; i < len; i++ )
- {
- wxDataViewColumn * col = GetColumnAt(i);
- if (col->IsHidden())
- continue;
- ret += col->GetWidth();
- if (column==col)
- {
- CalcScrolledPosition( ret, dummy, &ret, &dummy );
- break;
- }
- }
- return ret;
-#endif
}
wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
}
}
-// Selection code with wxDataViewItem as parameters
-wxDataViewItem wxDataViewCtrl::GetSelection() const
+wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
{
- return m_clientArea->GetSelection();
+ return m_clientArea->GetCurrentColumn();
+}
+
+int wxDataViewCtrl::GetSelectedItemsCount() const
+{
+ return m_clientArea->GetSelections().size();
}
int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
return false;
}
+void wxDataViewCtrl::SetAlternateRowColour(const wxColour& colour)
+{
+ m_alternateRowColour = colour;
+}
+
void wxDataViewCtrl::SelectAll()
{
m_clientArea->SelectAllRows(true);
int row = m_clientArea->GetRowByItem( item );
if (row != -1)
+ {
m_clientArea->Expand(row);
+ InvalidateColBestWidths();
+ }
}
void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
{
int row = m_clientArea->GetRowByItem( item );
if (row != -1)
+ {
m_clientArea->Collapse(row);
+ InvalidateColBestWidths();
+ }
}
bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
return false;
}
-void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
+void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
{
- wxDataViewColumn* col = GetColumn( column );
- if (!col)
- return;
+ wxCHECK_RET( item.IsOk(), "invalid item" );
+ wxCHECK_RET( column, "no column provided" );
- wxRect itemRect = GetItemRect(item, col);
- wxDataViewRenderer* renderer = col->GetRenderer();
- if (renderer->GetMode() == wxDATAVIEW_CELL_EDITABLE)
- renderer->StartEditing(item, itemRect);
+ m_clientArea->StartEditing(item, column);
}
#endif // !wxUSE_GENERICDATAVIEWCTRL
projects / wxWidgets.git / blobdiff