X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a367b9b3f8a722d6029e209070be11d120be0180..5f9fd7ea86d211e3681a71c9f70303aa72b5de3c:/src/generic/treectrl.cpp diff --git a/src/generic/treectrl.cpp b/src/generic/treectrl.cpp index 43be5aaf8b..9a43e04af0 100644 --- a/src/generic/treectrl.cpp +++ b/src/generic/treectrl.cpp @@ -21,128 +21,323 @@ #pragma implementation "treectrl.h" #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ +#pragma hdrstop +#endif + #include "wx/treectrl.h" +#include "wx/generic/imaglist.h" #include "wx/settings.h" #include "wx/log.h" #include "wx/intl.h" #include "wx/dynarray.h" +#include "wx/arrimpl.cpp" #include "wx/dcclient.h" -#include "wx/imaglist.h" +#include "wx/msgdlg.h" // ----------------------------------------------------------------------------- // array types // ----------------------------------------------------------------------------- -WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayTreeItems); +class WXDLLEXPORT wxGenericTreeItem; + +WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayGenericTreeItems); +WX_DEFINE_OBJARRAY(wxArrayTreeItemIds); + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +static const int NO_IMAGE = -1; + +#define PIXELS_PER_UNIT 10 // ----------------------------------------------------------------------------- // private classes // ----------------------------------------------------------------------------- +// timer used for enabling in-place edit +class WXDLLEXPORT wxTreeRenameTimer: public wxTimer +{ +public: + wxTreeRenameTimer( wxTreeCtrl *owner ); + + void Notify(); + +private: + wxTreeCtrl *m_owner; +}; + +// control used for in-place edit +class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl +{ +public: + wxTreeTextCtrl() { } + wxTreeTextCtrl( wxWindow *parent, + const wxWindowID id, + bool *accept, + wxString *res, + wxTreeCtrl *owner, + const wxString &value = wxEmptyString, + const wxPoint &pos = wxDefaultPosition, + const wxSize &size = wxDefaultSize, + int style = 0, + const wxValidator& validator = wxDefaultValidator, + const wxString &name = wxTextCtrlNameStr ); + + void OnChar( wxKeyEvent &event ); + void OnKillFocus( wxFocusEvent &event ); + +private: + bool *m_accept; + wxString *m_res; + wxTreeCtrl *m_owner; + wxString m_startValue; + + DECLARE_EVENT_TABLE() + DECLARE_DYNAMIC_CLASS(wxTreeTextCtrl); +}; + // a tree item class WXDLLEXPORT wxGenericTreeItem { public: - // ctors & dtor - wxGenericTreeItem() { m_data = NULL; } - wxGenericTreeItem( wxGenericTreeItem *parent, - const wxString& text, - wxDC& dc, - int image, int selImage, - wxTreeItemData *data ); + // ctors & dtor + wxGenericTreeItem() { m_data = NULL; } + wxGenericTreeItem( wxGenericTreeItem *parent, + const wxString& text, + wxDC& dc, + int image, int selImage, + wxTreeItemData *data ); + + ~wxGenericTreeItem(); - ~wxGenericTreeItem(); + // trivial accessors + wxArrayGenericTreeItems& GetChildren() { return m_children; } - // trivial accessors - wxArrayTreeItems& GetChildren() { return m_children; } + const wxString& GetText() const { return m_text; } + int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const + { return m_images[which]; } + wxTreeItemData *GetData() const { return m_data; } - const wxString& GetText() const { return m_text; } - int GetImage() const { return m_image; } - int GetSelectedImage() const { return m_selImage; } - wxTreeItemData *GetData() const { return m_data; } + // returns the current image for the item (depending on its + // selected/expanded/whatever state) + int GetCurrentImage() const; - void SetText( const wxString &text, wxDC& dc ); - void SetImage(int image) { m_image = image; } - void SetSelectedImage(int image) { m_selImage = image; } - void SetData(wxTreeItemData *data) { m_data = data; } + void SetText( const wxString &text ); + void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; } + void SetData(wxTreeItemData *data) { m_data = data; } - void SetHasPlus(bool has = TRUE) { m_hasPlus = has; } + void SetHasPlus(bool has = TRUE) { m_hasPlus = has; } - int GetX() const { return m_x; } - int GetY() const { return m_y; } + void SetBold(bool bold) { m_isBold = bold; } - void SetHeight(int h) { m_height = h; } + int GetX() const { return m_x; } + int GetY() const { return m_y; } - void SetX(int x) { m_x = x; } - void SetY(int y) { m_y = y; } + void SetX(int x) { m_x = x; } + void SetY(int y) { m_y = y; } - wxGenericTreeItem *GetParent() const { return m_parent; } + int GetHeight() const { return m_height; } + int GetWidth() const { return m_width; } - // operations - void Reset(); + void SetHeight(int h) { m_height = h; } + void SetWidth(int w) { m_width = w; } - // get count of all children (and grand children if 'recursively') - size_t GetChildrenCount(bool recursively = TRUE) const; - void Insert(wxGenericTreeItem *child, size_t index) + wxGenericTreeItem *GetParent() const { return m_parent; } + + // operations + // deletes all children notifying the treectrl about it if !NULL + // pointer given + void DeleteChildren(wxTreeCtrl *tree = NULL); + // FIXME don't know what is it for + void Reset(); + + // get count of all children (and grand children if 'recursively') + size_t GetChildrenCount(bool recursively = TRUE) const; + + void Insert(wxGenericTreeItem *child, size_t index) { m_children.Insert(child, index); } - void SetCross( int x, int y ); - void GetSize( int &x, int &y ); + void SetCross( int x, int y ); + void GetSize( int &x, int &y, const wxTreeCtrl* ); + + // return the item at given position (or NULL if no item), onButton is + // TRUE if the point belongs to the item's button, otherwise it lies + // on the button's label + wxGenericTreeItem *HitTest( const wxPoint& point, const wxTreeCtrl *, int &flags); - // return the item at given position (or NULL if no item), onButton is TRUE - // if the point belongs to the item's button, otherwise it lies on the - // button's label - wxGenericTreeItem *HitTest( const wxPoint& point, bool &onButton ); + void Expand() { m_isCollapsed = FALSE; } + void Collapse() { m_isCollapsed = TRUE; } - void Expand() { m_isCollapsed = FALSE; } - void Collapse() { m_isCollapsed = TRUE; } + void SetHilight( bool set = TRUE ) { m_hasHilight = set; } - void SetHilight( bool set = TRUE ) { m_hasHilight = set; } + // status inquiries + bool HasChildren() const { return !m_children.IsEmpty(); } + bool IsSelected() const { return m_hasHilight; } + bool IsExpanded() const { return !m_isCollapsed; } + bool HasPlus() const { return m_hasPlus || HasChildren(); } + bool IsBold() const { return m_isBold; } - // status inquiries - bool HasChildren() const { return !m_children.IsEmpty(); } - bool HasHilight() const { return m_hasHilight; } - bool IsExpanded() const { return !m_isCollapsed; } - bool HasPlus() const { return m_hasPlus || HasChildren(); } + // attributes + // get them - may be NULL + wxTreeItemAttr *GetAttributes() const { return m_attr; } + // get them ensuring that the pointer is not NULL + wxTreeItemAttr& Attr() + { + if ( !m_attr ) + m_attr = new wxTreeItemAttr; + + return *m_attr; + } private: - wxString m_text; + wxString m_text; - int m_image, - m_selImage; + // tree ctrl images for the normal, selected, expanded and + // expanded+selected states + int m_images[wxTreeItemIcon_Max]; - wxTreeItemData *m_data; + wxTreeItemData *m_data; - // @@ probably should use bitfields to save size - bool m_isCollapsed, - m_hasHilight, // same as focused - m_hasPlus; // used for item which doesn't have - // children but still has a [+] button + // use bitfields to save size + int m_isCollapsed :1; + int m_hasHilight :1; // same as focused + int m_hasPlus :1; // used for item which doesn't have + // children but has a [+] button + int m_isBold :1; // render the label in bold font - int m_x, m_y; - long m_height, m_width; - int m_xCross, m_yCross; - int m_level; - wxArrayTreeItems m_children; - wxGenericTreeItem *m_parent; + wxCoord m_x, m_y; + wxCoord m_height, m_width; + int m_xCross, m_yCross; + int m_level; + + wxArrayGenericTreeItems m_children; + wxGenericTreeItem *m_parent; + + wxTreeItemAttr *m_attr; }; // ============================================================================= // implementation // ============================================================================= +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +// translate the key or mouse event flags to the type of selection we're +// dealing with +static void EventFlagsToSelType(long style, + bool shiftDown, + bool ctrlDown, + bool &is_multiple, + bool &extended_select, + bool &unselect_others) +{ + is_multiple = (style & wxTR_MULTIPLE) != 0; + extended_select = shiftDown && is_multiple; + unselect_others = !(extended_select || (ctrlDown && is_multiple)); +} + +// ----------------------------------------------------------------------------- +// wxTreeRenameTimer (internal) +// ----------------------------------------------------------------------------- + +wxTreeRenameTimer::wxTreeRenameTimer( wxTreeCtrl *owner ) +{ + m_owner = owner; +} + +void wxTreeRenameTimer::Notify() +{ + m_owner->OnRenameTimer(); +} + +//----------------------------------------------------------------------------- +// wxTreeTextCtrl (internal) +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxTreeTextCtrl,wxTextCtrl); + +BEGIN_EVENT_TABLE(wxTreeTextCtrl,wxTextCtrl) + EVT_CHAR (wxTreeTextCtrl::OnChar) + EVT_KILL_FOCUS (wxTreeTextCtrl::OnKillFocus) +END_EVENT_TABLE() + +wxTreeTextCtrl::wxTreeTextCtrl( wxWindow *parent, + const wxWindowID id, + bool *accept, + wxString *res, + wxTreeCtrl *owner, + const wxString &value, + const wxPoint &pos, + const wxSize &size, + int style, + const wxValidator& validator, + const wxString &name ) + : wxTextCtrl( parent, id, value, pos, size, style, validator, name ) +{ + m_res = res; + m_accept = accept; + m_owner = owner; + (*m_accept) = FALSE; + (*m_res) = wxEmptyString; + m_startValue = value; +} + +void wxTreeTextCtrl::OnChar( wxKeyEvent &event ) +{ + if (event.m_keyCode == WXK_RETURN) + { + (*m_accept) = TRUE; + (*m_res) = GetValue(); + + if (!wxPendingDelete.Member(this)) + wxPendingDelete.Append(this); + + if ((*m_accept) && ((*m_res) != m_startValue)) + m_owner->OnRenameAccept(); + + return; + } + if (event.m_keyCode == WXK_ESCAPE) + { + (*m_accept) = FALSE; + (*m_res) = ""; + + if (!wxPendingDelete.Member(this)) + wxPendingDelete.Append(this); + + return; + } + event.Skip(); +} + +void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) ) +{ + if (!wxPendingDelete.Member(this)) + wxPendingDelete.Append(this); + + if ((*m_accept) && ((*m_res) != m_startValue)) + m_owner->OnRenameAccept(); +} + // ----------------------------------------------------------------------------- // wxTreeEvent // ----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent) +IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent) wxTreeEvent::wxTreeEvent( wxEventType commandType, int id ) - : wxCommandEvent( commandType, id ) + : wxNotifyEvent( commandType, id ) { - m_code = 0; - m_itemOld = (wxGenericTreeItem *)NULL; + m_code = 0; + m_itemOld = (wxGenericTreeItem *)NULL; } // ----------------------------------------------------------------------------- @@ -151,135 +346,221 @@ wxTreeEvent::wxTreeEvent( wxEventType commandType, int id ) wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent, const wxString& text, - wxDC& dc, + wxDC& WXUNUSED(dc), int image, int selImage, wxTreeItemData *data) : m_text(text) { - m_image = image; - m_selImage = selImage; - m_data = data; - m_x = m_y = 0; - m_xCross = m_yCross = 0; + m_images[wxTreeItemIcon_Normal] = image; + m_images[wxTreeItemIcon_Selected] = selImage; + m_images[wxTreeItemIcon_Expanded] = NO_IMAGE; + m_images[wxTreeItemIcon_SelectedExpanded] = NO_IMAGE; - m_level = 0; + m_data = data; + m_x = m_y = 0; + m_xCross = m_yCross = 0; - m_isCollapsed = TRUE; - m_hasHilight = FALSE; - m_hasPlus = FALSE; + m_level = 0; - m_parent = parent; + m_isCollapsed = TRUE; + m_hasHilight = FALSE; + m_hasPlus = FALSE; + m_isBold = FALSE; - dc.GetTextExtent( m_text, &m_width, &m_height ); + m_parent = parent; + + m_attr = (wxTreeItemAttr *)NULL; + + // We don't know the height here yet. + m_width = 0; + m_height = 0; } wxGenericTreeItem::~wxGenericTreeItem() { - delete m_data; + delete m_data; - size_t count = m_children.Count(); - for ( size_t n = 0; n < count; n++ ) - delete m_children[n]; + delete m_attr; + + wxASSERT_MSG( m_children.IsEmpty(), + wxT("please call DeleteChildren() before deleting the item") ); } -void wxGenericTreeItem::SetText( const wxString &text, wxDC& dc ) +void wxGenericTreeItem::DeleteChildren(wxTreeCtrl *tree) { - m_text = text; + size_t count = m_children.Count(); + for ( size_t n = 0; n < count; n++ ) + { + wxGenericTreeItem *child = m_children[n]; + if (tree) + tree->SendDeleteEvent(child); + + child->DeleteChildren(tree); + delete child; + } - dc.GetTextExtent( m_text, &m_width, &m_height ); + m_children.Empty(); +} + +void wxGenericTreeItem::SetText( const wxString &text ) +{ + m_text = text; } void wxGenericTreeItem::Reset() { - m_text.Empty(); - m_image = - m_selImage = -1; - m_data = NULL; - m_x = m_y = - m_height = m_width = 0; - m_xCross = - m_yCross = 0; + m_text.Empty(); + for ( int i = 0; i < wxTreeItemIcon_Max; i++ ) + { + m_images[i] = NO_IMAGE; + } + + m_data = NULL; + m_x = m_y = + m_height = m_width = 0; + m_xCross = + m_yCross = 0; - m_level = 0; + m_level = 0; - m_children.Empty(); - m_isCollapsed = TRUE; + DeleteChildren(); + m_isCollapsed = TRUE; - m_parent = (wxGenericTreeItem *)NULL; + m_parent = (wxGenericTreeItem *)NULL; } size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const { - size_t count = m_children.Count(); - if ( !recursively ) - return count; + size_t count = m_children.Count(); + if ( !recursively ) + return count; - size_t total = count; - for ( size_t n = 0; n < count; n++ ) - { - total += m_children[n]->GetChildrenCount(); - } + size_t total = count; + for (size_t n = 0; n < count; ++n) + { + total += m_children[n]->GetChildrenCount(); + } - return total; + return total; } void wxGenericTreeItem::SetCross( int x, int y ) { - m_xCross = x; - m_yCross = y; + m_xCross = x; + m_yCross = y; } -void wxGenericTreeItem::GetSize( int &x, int &y ) +void wxGenericTreeItem::GetSize( int &x, int &y, const wxTreeCtrl *theTree ) { - if ( y < m_y ) y = m_y; - int width = m_x + m_width; - if (width > x) x = width; + int bottomY=m_y+theTree->GetLineHeight(this); + if ( y < bottomY ) y = bottomY; + int width = m_x + m_width; + if ( x < width ) x = width; - if (IsExpanded()) - { - size_t count = m_children.Count(); - for ( size_t n = 0; n < count; n++ ) + if (IsExpanded()) { - m_children[n]->GetSize( x, y ); + size_t count = m_children.Count(); + for ( size_t n = 0; n < count; ++n ) + { + m_children[n]->GetSize( x, y, theTree ); + } } - } } wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point, - bool &onButton ) + const wxTreeCtrl *theTree, + int &flags) { - if ((point.y > m_y) && (point.y < m_y + m_height)) - { - // FIXME why +5? - if ((point.x > m_xCross-5) && (point.x < m_xCross+5) && - (point.y > m_yCross-5) && (point.y < m_yCross+5) && - (IsExpanded() || HasPlus())) + if ((point.y > m_y) && (point.y < m_y + theTree->GetLineHeight(this))) { - onButton = TRUE; - return this; + if (point.y < m_y+theTree->GetLineHeight(this)/2 ) + flags |= wxTREE_HITTEST_ONITEMUPPERPART; + else + flags |= wxTREE_HITTEST_ONITEMLOWERPART; + + // 5 is the size of the plus sign + if ((point.x > m_xCross-5) && (point.x < m_xCross+5) && + (point.y > m_yCross-5) && (point.y < m_yCross+5) && + (IsExpanded() || HasPlus())) + { + flags|=wxTREE_HITTEST_ONITEMBUTTON; + return this; + } + + if ((point.x >= m_x) && (point.x <= m_x+m_width)) + { + int image_w = -1; + int image_h; + + // assuming every image (normal and selected ) has the same size ! + if ( (GetImage() != NO_IMAGE) && theTree->m_imageListNormal ) + theTree->m_imageListNormal->GetSize(GetImage(), image_w, image_h); + + if ((image_w != -1) && (point.x <= m_x + image_w + 1)) + flags |= wxTREE_HITTEST_ONITEMICON; + else + flags |= wxTREE_HITTEST_ONITEMLABEL; + + return this; + } + + if (point.x < m_x) + flags |= wxTREE_HITTEST_ONITEMINDENT; + if (point.x > m_x+m_width) + flags |= wxTREE_HITTEST_ONITEMRIGHT; + + return this; } + else + { + if (!m_isCollapsed) + { + size_t count = m_children.Count(); + for ( size_t n = 0; n < count; n++ ) + { + wxGenericTreeItem *res = m_children[n]->HitTest( point, theTree, flags ); + if ( res != NULL ) + return res; + } + } + } + + flags|=wxTREE_HITTEST_NOWHERE; - if ((point.x > m_x) && (point.x < m_x+m_width)) + return (wxGenericTreeItem*) NULL; +} + +int wxGenericTreeItem::GetCurrentImage() const +{ + int image = NO_IMAGE; + if ( IsExpanded() ) { - onButton = FALSE; - return this; + if ( IsSelected() ) + { + image = GetImage(wxTreeItemIcon_SelectedExpanded); + } + + if ( image == NO_IMAGE ) + { + // we usually fall back to the normal item, but try just the + // expanded one (and not selected) first in this case + image = GetImage(wxTreeItemIcon_Expanded); + } } - } - else - { - if (!m_isCollapsed) + else // not expanded { - size_t count = m_children.Count(); - for ( size_t n = 0; n < count; n++ ) - { - wxGenericTreeItem *res = m_children[n]->HitTest( point, onButton ); - if ( res != NULL ) - return res; - } + if ( IsSelected() ) + image = GetImage(wxTreeItemIcon_Selected); + } + + // may be it doesn't have the specific image we want, try the default one + // instead + if ( image == NO_IMAGE ) + { + image = GetImage(); } - } - return NULL; + return image; } // ----------------------------------------------------------------------------- @@ -289,57 +570,84 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point, IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxScrolledWindow) BEGIN_EVENT_TABLE(wxTreeCtrl,wxScrolledWindow) - EVT_PAINT (wxTreeCtrl::OnPaint) - EVT_MOUSE_EVENTS (wxTreeCtrl::OnMouse) - EVT_CHAR (wxTreeCtrl::OnChar) - EVT_SET_FOCUS (wxTreeCtrl::OnSetFocus) - EVT_KILL_FOCUS (wxTreeCtrl::OnKillFocus) - EVT_IDLE (wxTreeCtrl::OnIdle) + EVT_PAINT (wxTreeCtrl::OnPaint) + EVT_MOUSE_EVENTS (wxTreeCtrl::OnMouse) + EVT_CHAR (wxTreeCtrl::OnChar) + EVT_SET_FOCUS (wxTreeCtrl::OnSetFocus) + EVT_KILL_FOCUS (wxTreeCtrl::OnKillFocus) + EVT_IDLE (wxTreeCtrl::OnIdle) END_EVENT_TABLE() // ----------------------------------------------------------------------------- // construction/destruction // ----------------------------------------------------------------------------- + void wxTreeCtrl::Init() { - m_current = - m_anchor = (wxGenericTreeItem *) NULL; - m_hasFocus = FALSE; - m_dirty = FALSE; + m_current = + m_key_current = + m_anchor = (wxGenericTreeItem *) NULL; + m_hasFocus = FALSE; + m_dirty = FALSE; - m_xScroll = 0; - m_yScroll = 0; - m_lineHeight = 10; - m_indent = 15; + m_xScroll = 0; + m_yScroll = 0; + m_lineHeight = 10; + m_indent = 15; + m_spacing = 18; - m_hilightBrush = new wxBrush + m_hilightBrush = new wxBrush ( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID ); - m_imageListNormal = - m_imageListState = (wxImageList *) NULL; + m_imageListNormal = + m_imageListState = (wxImageList *) NULL; + + m_dragCount = 0; + m_isDragging = FALSE; + m_dropTarget = + m_oldSelection = (wxGenericTreeItem *)NULL; + + m_renameTimer = new wxTreeRenameTimer( this ); + + m_normalFont = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ); + m_boldFont = wxFont( m_normalFont.GetPointSize(), + m_normalFont.GetFamily(), + m_normalFont.GetStyle(), + wxBOLD, + m_normalFont.GetUnderlined()); } bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, - long style, const wxString& name ) + long style, + const wxValidator &validator, + const wxString& name ) { - Init(); + Init(); + + wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name ); - wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name ); +#if wxUSE_VALIDATORS + SetValidator( validator ); +#endif - SetBackgroundColour( *wxWHITE ); - m_dottedPen = wxPen( *wxBLACK, 0, 0 ); + SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) ); +// m_dottedPen = wxPen( "grey", 0, wxDOT ); too slow under XFree86 + m_dottedPen = wxPen( "grey", 0, 0 ); - return TRUE; + return TRUE; } wxTreeCtrl::~wxTreeCtrl() { - wxDELETE( m_hilightBrush ); - wxDELETE( m_anchor ); + wxDELETE( m_hilightBrush ); + + DeleteAllItems(); + + delete m_renameTimer; } // ----------------------------------------------------------------------------- @@ -348,20 +656,26 @@ wxTreeCtrl::~wxTreeCtrl() size_t wxTreeCtrl::GetCount() const { - return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount(); + return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount(); } void wxTreeCtrl::SetIndent(unsigned int indent) { - m_indent = indent; - Refresh(); + m_indent = indent; + m_dirty = TRUE; +} + +void wxTreeCtrl::SetSpacing(unsigned int spacing) +{ + m_spacing = spacing; + m_dirty = TRUE; } size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively) { - wxCHECK_MSG( item.IsOk(), 0u, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") ); - return item.m_pItem->GetChildrenCount(recursively); + return item.m_pItem->GetChildrenCount(recursively); } // ----------------------------------------------------------------------------- @@ -370,66 +684,107 @@ size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively) wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), "", "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), wxT(""), wxT("invalid tree item") ); - return item.m_pItem->GetText(); + return item.m_pItem->GetText(); } -int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const +int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, + wxTreeItemIcon which) const { - wxCHECK_MSG( item.IsOk(), -1, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") ); - return item.m_pItem->GetImage(); + return item.m_pItem->GetImage(which); } -int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const +wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), -1, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") ); - return item.m_pItem->GetSelectedImage(); + return item.m_pItem->GetData(); } -wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const +void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) { - wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" ); + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - return item.m_pItem->GetData(); + wxClientDC dc(this); + wxGenericTreeItem *pItem = item.m_pItem; + pItem->SetText(text); + CalculateSize(pItem, dc); + RefreshLine(pItem); } -void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) +void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, + int image, + wxTreeItemIcon which) { - wxCHECK_RET( item.IsOk(), "invalid tree item" ); + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + + wxGenericTreeItem *pItem = item.m_pItem; + pItem->SetImage(image, which); - wxClientDC dc(this); - item.m_pItem->SetText(text, dc); + wxClientDC dc(this); + CalculateSize(pItem, dc); + RefreshLine(pItem); } -void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image) +void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) { - wxCHECK_RET( item.IsOk(), "invalid tree item" ); + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - item.m_pItem->SetImage(image); + item.m_pItem->SetData(data); } -void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image) +void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) { - wxCHECK_RET( item.IsOk(), "invalid tree item" ); + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - item.m_pItem->SetSelectedImage(image); + wxGenericTreeItem *pItem = item.m_pItem; + pItem->SetHasPlus(has); + RefreshLine(pItem); } -void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) +void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) { - wxCHECK_RET( item.IsOk(), "invalid tree item" ); + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - item.m_pItem->SetData(data); + // avoid redrawing the tree if no real change + wxGenericTreeItem *pItem = item.m_pItem; + if ( pItem->IsBold() != bold ) + { + pItem->SetBold(bold); + RefreshLine(pItem); + } } -void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) +void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, + const wxColour& col) +{ + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + + wxGenericTreeItem *pItem = item.m_pItem; + pItem->Attr().SetTextColour(col); + RefreshLine(pItem); +} + +void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, + const wxColour& col) { - wxCHECK_RET( item.IsOk(), "invalid tree item" ); + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - item.m_pItem->SetHasPlus(has); + wxGenericTreeItem *pItem = item.m_pItem; + pItem->Attr().SetBackgroundColour(col); + RefreshLine(pItem); +} + +void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) +{ + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + + wxGenericTreeItem *pItem = item.m_pItem; + pItem->Attr().SetFont(font); + RefreshLine(pItem); } // ----------------------------------------------------------------------------- @@ -438,30 +793,37 @@ void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) bool wxTreeCtrl::IsVisible(const wxTreeItemId& WXUNUSED(item)) const { - wxFAIL_MSG("not implemented"); + wxFAIL_MSG(wxT("not implemented")); - return TRUE; + return TRUE; } bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") ); - return !item.m_pItem->GetChildren().IsEmpty(); + return !item.m_pItem->GetChildren().IsEmpty(); } bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") ); - return item.m_pItem->IsExpanded(); + return item.m_pItem->IsExpanded(); } bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") ); + + return item.m_pItem->IsSelected(); +} + +bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const +{ + wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") ); - return item.m_pItem->HasHilight(); + return item.m_pItem->IsBold(); } // ----------------------------------------------------------------------------- @@ -470,14 +832,14 @@ bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); return item.m_pItem->GetParent(); } wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const { - wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); cookie = 0; return GetNextChild(item, cookie); @@ -485,82 +847,91 @@ wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) c wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const { - wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); - wxArrayTreeItems& children = item.m_pItem->GetChildren(); + wxArrayGenericTreeItems& children = item.m_pItem->GetChildren(); if ( (size_t)cookie < children.Count() ) { - return item.m_pItem->GetChildren().Item(cookie++); + return children.Item((size_t)cookie++); } else { // there are no more of them - return NULL; + return wxTreeItemId(); } } +wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const +{ + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); + + wxArrayGenericTreeItems& children = item.m_pItem->GetChildren(); + return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last())); +} + wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); wxGenericTreeItem *i = item.m_pItem; wxGenericTreeItem *parent = i->GetParent(); if ( parent == NULL ) { // root item doesn't have any siblings - return NULL; + return wxTreeItemId(); } - wxArrayTreeItems& siblings = parent->GetChildren(); + wxArrayGenericTreeItems& siblings = parent->GetChildren(); int index = siblings.Index(i); - wxASSERT( index != NOT_FOUND ); // I'm not a child of my parent? + wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent? size_t n = (size_t)(index + 1); - return n == siblings.Count() ? (wxGenericTreeItem*)NULL : siblings[n]; + return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]); } wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); wxGenericTreeItem *i = item.m_pItem; wxGenericTreeItem *parent = i->GetParent(); if ( parent == NULL ) { // root item doesn't have any siblings - return NULL; + return wxTreeItemId(); } - wxArrayTreeItems& siblings = parent->GetChildren(); + wxArrayGenericTreeItems& siblings = parent->GetChildren(); int index = siblings.Index(i); - wxASSERT( index != NOT_FOUND ); // I'm not a child of my parent? + wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent? - return index == 0 ? (wxGenericTreeItem*)NULL : siblings[(size_t)(index - 1)]; + return index == 0 ? wxTreeItemId() + : wxTreeItemId(siblings[(size_t)(index - 1)]); } wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const { - wxFAIL_MSG("not implemented"); + wxFAIL_MSG(wxT("not implemented")); - return NULL; + return wxTreeItemId(); } wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); - wxFAIL_MSG("not implemented"); + wxFAIL_MSG(wxT("not implemented")); - return NULL; + return wxTreeItemId(); } wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const { - wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" ); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); - wxFAIL_MSG("not implemented"); + wxFAIL_MSG(wxT("not implemented")); - return NULL; + return wxTreeItemId(); } // ----------------------------------------------------------------------------- @@ -573,49 +944,53 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parentId, int image, int selImage, wxTreeItemData *data) { - wxGenericTreeItem *parent = parentId.m_pItem; - if ( !parent ) - { - // should we give a warning here? - return AddRoot(text, image, selImage, data); - } + wxGenericTreeItem *parent = parentId.m_pItem; + if ( !parent ) + { + // should we give a warning here? + return AddRoot(text, image, selImage, data); + } - wxClientDC dc(this); - wxGenericTreeItem *item = new wxGenericTreeItem(parent, - text, dc, - image, selImage, - data); + wxClientDC dc(this); + wxGenericTreeItem *item = + new wxGenericTreeItem( parent, text, dc, image, selImage, data ); - if ( data != NULL ) - { - data->m_pItem = item; - } + if ( data != NULL ) + { + data->m_pItem = item; + } + + parent->Insert( item, previous ); - parent->Insert( item, previous ); - - m_dirty = TRUE; + m_dirty = TRUE; - return item; + return item; } wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, int image, int selImage, wxTreeItemData *data) { - wxCHECK_MSG( !m_anchor, NULL, "tree can have only one root" ); + wxCHECK_MSG( !m_anchor, wxTreeItemId(), wxT("tree can have only one root") ); - wxClientDC dc(this); - m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc, + wxClientDC dc(this); + m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc, image, selImage, data); - if ( data != NULL ) - { - data->m_pItem = m_anchor; - } + if ( data != NULL ) + { + data->m_pItem = m_anchor; + } - AdjustMyScrollbars(); - Refresh(); + if (!HasFlag(wxTR_MULTIPLE)) + { + m_current = m_key_current = m_anchor; + m_current->SetHilight( TRUE ); + } + + Refresh(); + AdjustMyScrollbars(); - return m_anchor; + return m_anchor; } wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent, @@ -623,7 +998,7 @@ wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent, int image, int selImage, wxTreeItemData *data) { - return DoInsertItem(parent, 0u, text, image, selImage, data); + return DoInsertItem(parent, 0u, text, image, selImage, data); } wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parentId, @@ -632,17 +1007,34 @@ wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parentId, int image, int selImage, wxTreeItemData *data) { - wxGenericTreeItem *parent = parentId.m_pItem; - if ( !parent ) - { - // should we give a warning here? - return AddRoot(text, image, selImage, data); - } + wxGenericTreeItem *parent = parentId.m_pItem; + if ( !parent ) + { + // should we give a warning here? + return AddRoot(text, image, selImage, data); + } + + int index = parent->GetChildren().Index(idPrevious.m_pItem); + wxASSERT_MSG( index != wxNOT_FOUND, + wxT("previous item in wxTreeCtrl::InsertItem() is not a sibling") ); + + return DoInsertItem(parentId, (size_t)++index, text, image, selImage, data); +} - int index = parent->GetChildren().Index(idPrevious.m_pItem); - wxASSERT_MSG( index != NOT_FOUND, - "previous item in wxTreeCtrl::InsertItem() is not a sibling" ); - return DoInsertItem(parentId, (size_t)index, text, image, selImage, data); +wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parentId, + size_t before, + const wxString& text, + int image, int selImage, + wxTreeItemData *data) +{ + wxGenericTreeItem *parent = parentId.m_pItem; + if ( !parent ) + { + // should we give a warning here? + return AddRoot(text, image, selImage, data); + } + + return DoInsertItem(parentId, before, text, image, selImage, data); } wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parentId, @@ -650,187 +1042,444 @@ wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parentId, int image, int selImage, wxTreeItemData *data) { - wxGenericTreeItem *parent = parentId.m_pItem; - if ( !parent ) - { - // should we give a warning here? - return AddRoot(text, image, selImage, data); - } + wxGenericTreeItem *parent = parentId.m_pItem; + if ( !parent ) + { + // should we give a warning here? + return AddRoot(text, image, selImage, data); + } + + return DoInsertItem( parent, parent->GetChildren().Count(), text, + image, selImage, data); +} - return DoInsertItem(parent, parent->GetChildren().Count(), text, - image, selImage, data); +void wxTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item) +{ + wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, GetId() ); + event.m_item = item; + event.SetEventObject( this ); + ProcessEvent( event ); +} + +void wxTreeCtrl::DeleteChildren(const wxTreeItemId& itemId) +{ + wxGenericTreeItem *item = itemId.m_pItem; + item->DeleteChildren(this); + + m_dirty = TRUE; } void wxTreeCtrl::Delete(const wxTreeItemId& itemId) { - wxGenericTreeItem *item = itemId.m_pItem; - wxGenericTreeItem *parent = item->GetParent(); + wxGenericTreeItem *item = itemId.m_pItem; + wxGenericTreeItem *parent = item->GetParent(); - if ( parent ) - { - parent->GetChildren().Remove(item); - } + if ( parent ) + { + parent->GetChildren().Remove( item ); // remove by value + } - delete item; + item->DeleteChildren(this); + SendDeleteEvent(item); + delete item; - Refresh(); + m_dirty = TRUE; } void wxTreeCtrl::DeleteAllItems() { - if ( m_anchor ) - { - delete m_anchor; - m_anchor = NULL; + if ( m_anchor ) + { + m_anchor->DeleteChildren(this); + delete m_anchor; - Refresh(); - } + m_anchor = NULL; + + m_dirty = TRUE; + } } void wxTreeCtrl::Expand(const wxTreeItemId& itemId) { - wxGenericTreeItem *item = itemId.m_pItem; + wxGenericTreeItem *item = itemId.m_pItem; - if ( item->IsExpanded() ) - return; + if ( !item->HasPlus() ) + return; - wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() ); - event.m_item = item; - event.SetEventObject( this ); - if ( ProcessEvent( event ) && event.m_code ) - { - // cancelled by program - return; - } + if ( item->IsExpanded() ) + return; + + wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() ); + event.m_item = item; + event.SetEventObject( this ); + +// if ( ProcessEvent( event ) && event.m_code ) TODO: Was this a typo ? + if ( ProcessEvent( event ) && !event.IsAllowed() ) + { + // cancelled by program + return; + } - item->Expand(); + item->Expand(); + CalculatePositions(); - RefreshSubtree(item); + RefreshSubtree(item); - event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED); - ProcessEvent( event ); + event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED); + ProcessEvent( event ); } void wxTreeCtrl::Collapse(const wxTreeItemId& itemId) { - wxGenericTreeItem *item = itemId.m_pItem; + wxGenericTreeItem *item = itemId.m_pItem; - if ( !item->IsExpanded() ) - return; + if ( !item->IsExpanded() ) + return; - wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, GetId() ); - event.m_item = item; - event.SetEventObject( this ); - if ( ProcessEvent( event ) && event.m_code ) - { - // cancelled by program - return; - } + wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, GetId() ); + event.m_item = item; + event.SetEventObject( this ); + if ( ProcessEvent( event ) && !event.IsAllowed() ) + { + // cancelled by program + return; + } - item->Collapse(); + item->Collapse(); - wxArrayTreeItems& children = item->GetChildren(); - size_t count = children.Count(); - for ( size_t n = 0; n < count; n++ ) - { - Collapse(children[n]); - } + wxArrayGenericTreeItems& children = item->GetChildren(); + size_t count = children.Count(); + for ( size_t n = 0; n < count; n++ ) + { + Collapse(children[n]); + } - CalculatePositions(); + CalculatePositions(); - RefreshSubtree(item); + RefreshSubtree(item); - event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED); - ProcessEvent( event ); + event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED); + ProcessEvent( event ); } void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item) { - Collapse(item); - Delete(item); + Collapse(item); + DeleteChildren(item); } void wxTreeCtrl::Toggle(const wxTreeItemId& itemId) { - wxGenericTreeItem *item = itemId.m_pItem; + wxGenericTreeItem *item = itemId.m_pItem; - if ( item->IsExpanded() ) - Collapse(itemId); - else - Expand(itemId); + if (item->IsExpanded()) + Collapse(itemId); + else + Expand(itemId); } void wxTreeCtrl::Unselect() { - if ( m_current ) - { - m_current->SetHilight( FALSE ); - RefreshLine( m_current ); - } + if (m_current) + { + m_current->SetHilight( FALSE ); + RefreshLine( m_current ); + } } -void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId) +void wxTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item) { - wxGenericTreeItem *item = itemId.m_pItem; + if (item->IsSelected()) + { + item->SetHilight(FALSE); + RefreshLine(item); + } + + if (item->HasChildren()) + { + wxArrayGenericTreeItems& children = item->GetChildren(); + size_t count = children.Count(); + for ( size_t n = 0; n < count; ++n ) + { + UnselectAllChildren(children[n]); + } + } +} + +void wxTreeCtrl::UnselectAll() +{ + UnselectAllChildren(GetRootItem().m_pItem); +} + +// Recursive function ! +// To stop we must have crt_itemGetParent(); + + if (parent == NULL) // This is root item + return TagAllChildrenUntilLast(crt_item, last_item, select); + + wxArrayGenericTreeItems& children = parent->GetChildren(); + int index = children.Index(crt_item); + wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent? + + size_t count = children.Count(); + for (size_t n=(size_t)(index+1); nSetHilight(select); + RefreshLine(crt_item); + + if (crt_item==last_item) + return TRUE; + + if (crt_item->HasChildren()) + { + wxArrayGenericTreeItems& children = crt_item->GetChildren(); + size_t count = children.Count(); + for ( size_t n = 0; n < count; ++n ) + { + if (TagAllChildrenUntilLast(children[n], last_item, select)) + return TRUE; + } + } + + return FALSE; +} + +void wxTreeCtrl::SelectItemRange(wxGenericTreeItem *item1, wxGenericTreeItem *item2) +{ + // item2 is not necessary after item1 + wxGenericTreeItem *first=NULL, *last=NULL; + + // choice first' and 'last' between item1 and item2 + if (item1->GetY()GetY()) + { + first=item1; + last=item2; + } + else + { + first=item2; + last=item1; + } + + bool select = m_current->IsSelected(); + + if ( TagAllChildrenUntilLast(first,last,select) ) + return; + + TagNextChildren(first,last,select); +} + +void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId, + bool unselect_others, + bool extended_select) +{ + wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") ); + + bool is_single=!(GetWindowStyleFlag() & wxTR_MULTIPLE); + wxGenericTreeItem *item = itemId.m_pItem; + + //wxCHECK_RET( ( (!unselect_others) && is_single), + // wxT("this is a single selection tree") ); + + // to keep going anyhow !!! + if (is_single) + { + if (item->IsSelected()) + return; // nothing to do + unselect_others = TRUE; + extended_select = FALSE; + } + else if ( unselect_others && item->IsSelected() ) + { + // selection change if there is more than one item currently selected + wxArrayTreeItemIds selected_items; + if ( GetSelections(selected_items) == 1 ) + return; + } - if ( m_current != item ) - { wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() ); event.m_item = item; event.m_itemOld = m_current; event.SetEventObject( this ); - if ( ProcessEvent( event ) && event.WasVetoed() ) + // TODO : Here we don't send any selection mode yet ! + + if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() ) return; - if ( m_current ) + // ctrl press + if (unselect_others) { - m_current->SetHilight( FALSE ); - RefreshLine( m_current ); + if (is_single) Unselect(); // to speed up thing + else UnselectAll(); } - m_current = item; - m_current->SetHilight( TRUE ); - RefreshLine( m_current ); + // shift press + if (extended_select) + { + if (m_current == NULL) m_current=m_key_current=GetRootItem().m_pItem; + // don't change the mark (m_current) + SelectItemRange(m_current, item); + } + else + { + bool select=TRUE; // the default + + // Check if we need to toggle hilight (ctrl mode) + if (!unselect_others) + select=!item->IsSelected(); + + m_current = m_key_current = item; + m_current->SetHilight(select); + RefreshLine( m_current ); + } event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED); - ProcessEvent( event ); - } + GetEventHandler()->ProcessEvent( event ); } -void wxTreeCtrl::EnsureVisible(const wxTreeItemId& WXUNUSED(item)) +void wxTreeCtrl::FillArray(wxGenericTreeItem *item, + wxArrayTreeItemIds &array) const { - wxFAIL_MSG("not implemented"); + if ( item->IsSelected() ) + array.Add(wxTreeItemId(item)); + + if ( item->HasChildren() ) + { + wxArrayGenericTreeItems& children = item->GetChildren(); + size_t count = children.GetCount(); + for ( size_t n = 0; n < count; ++n ) + FillArray(children[n],array); + } } -void wxTreeCtrl::ScrollTo(const wxTreeItemId& WXUNUSED(item)) +size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds &array) const { - wxFAIL_MSG("not implemented"); + array.Empty(); + FillArray(GetRootItem().m_pItem, array); + + return array.Count(); } -wxTextCtrl *wxTreeCtrl::EditLabel( const wxTreeItemId& WXUNUSED(item), - wxClassInfo* WXUNUSED(textCtrlClass) ) +void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) { - wxFAIL_MSG("not implemented"); + if (!item.IsOk()) return; + + wxGenericTreeItem *gitem = item.m_pItem; - return NULL; + // first expand all parent branches + wxGenericTreeItem *parent = gitem->GetParent(); + while ( parent ) + { + Expand(parent); + parent = parent->GetParent(); + } + + //if (parent) CalculatePositions(); + + ScrollTo(item); } -wxTextCtrl *wxTreeCtrl::GetEditControl() const +void wxTreeCtrl::ScrollTo(const wxTreeItemId &item) { - wxFAIL_MSG("not implemented"); + if (!item.IsOk()) return; + + // We have to call this here because the label in + // question might just have been added and no screen + // update taken place. + if (m_dirty) wxYield(); + + wxGenericTreeItem *gitem = item.m_pItem; + + // now scroll to the item + int item_y = gitem->GetY(); - return NULL; + int start_x = 0; + int start_y = 0; + ViewStart( &start_x, &start_y ); + start_y *= PIXELS_PER_UNIT; + + int client_h = 0; + int client_w = 0; + GetClientSize( &client_w, &client_h ); + + if (item_y < start_y+3) + { + // going down + int x = 0; + int y = 0; + m_anchor->GetSize( x, y, this ); + y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels + x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels + int x_pos = GetScrollPos( wxHORIZONTAL ); + // Item should appear at top + SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, item_y/PIXELS_PER_UNIT ); + } + else if (item_y+GetLineHeight(gitem) > start_y+client_h) + { + // going up + int x = 0; + int y = 0; + m_anchor->GetSize( x, y, this ); + y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels + x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels + item_y += PIXELS_PER_UNIT+2; + int x_pos = GetScrollPos( wxHORIZONTAL ); + // Item should appear at bottom + SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, (item_y+GetLineHeight(gitem)-client_h)/PIXELS_PER_UNIT ); + } } -void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool WXUNUSED(discardChanges)) +// FIXME: tree sorting functions are not reentrant and not MT-safe! +static wxTreeCtrl *s_treeBeingSorted = NULL; + +static int LINKAGEMODE tree_ctrl_compare_func(wxGenericTreeItem **item1, + wxGenericTreeItem **item2) { - wxFAIL_MSG("not implemented"); + wxCHECK_MSG( s_treeBeingSorted, 0, wxT("bug in wxTreeCtrl::SortChildren()") ); + + return s_treeBeingSorted->OnCompareItems(*item1, *item2); } -void wxTreeCtrl::SortChildren( const wxTreeItemId& WXUNUSED(item), - wxTreeItemCmpFunc *WXUNUSED(cmpFunction)) +int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1, + const wxTreeItemId& item2) { - wxFAIL_MSG("not implemented"); + return wxStrcmp(GetItemText(item1), GetItemText(item2)); +} + +void wxTreeCtrl::SortChildren(const wxTreeItemId& itemId) +{ + wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") ); + + wxGenericTreeItem *item = itemId.m_pItem; + + wxCHECK_RET( !s_treeBeingSorted, + wxT("wxTreeCtrl::SortChildren is not reentrant") ); + + wxArrayGenericTreeItems& children = item->GetChildren(); + if ( children.Count() > 1 ) + { + s_treeBeingSorted = this; + children.Sort(tree_ctrl_compare_func); + s_treeBeingSorted = NULL; + + m_dirty = TRUE; + } + //else: don't make the tree dirty as nothing changed } wxImageList *wxTreeCtrl::GetImageList() const @@ -846,6 +1495,28 @@ wxImageList *wxTreeCtrl::GetStateImageList() const void wxTreeCtrl::SetImageList(wxImageList *imageList) { m_imageListNormal = imageList; + + if ( !m_imageListNormal ) + return; + + // Calculate a m_lineHeight value from the image sizes. + // May be toggle off. Then wxTreeCtrl will spread when + // necessary (which might look ugly). + wxClientDC dc(this); + m_lineHeight = (int)(dc.GetCharHeight() + 4); + int width = 0, height = 0, + n = m_imageListNormal->GetImageCount(); + + for (int i = 0; i < n ; i++) + { + m_imageListNormal->GetSize(i, width, height); + if (height > m_lineHeight) m_lineHeight = height; + } + + if (m_lineHeight < 40) + m_lineHeight += 2; // at least 2 pixels + else + m_lineHeight += m_lineHeight/10; // otherwise 10% extra spacing } void wxTreeCtrl::SetStateImageList(wxImageList *imageList) @@ -856,144 +1527,256 @@ void wxTreeCtrl::SetStateImageList(wxImageList *imageList) // ----------------------------------------------------------------------------- // helpers // ----------------------------------------------------------------------------- + void wxTreeCtrl::AdjustMyScrollbars() { - if (m_anchor) - { - int x = 0; - int y = 0; - m_anchor->GetSize( x, y ); - y += 2*m_lineHeight; - int x_pos = GetScrollPos( wxHORIZONTAL ); - int y_pos = GetScrollPos( wxVERTICAL ); - SetScrollbars( 10, 10, x/10, y/10, x_pos, y_pos ); - } - else - { - SetScrollbars( 0, 0, 0, 0 ); - } + if (m_anchor) + { + int x = 0; + int y = 0; + m_anchor->GetSize( x, y, this ); + y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels + x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels + int x_pos = GetScrollPos( wxHORIZONTAL ); + int y_pos = GetScrollPos( wxVERTICAL ); + SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, y_pos ); + } + else + { + SetScrollbars( 0, 0, 0, 0 ); + } } -void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y ) +int wxTreeCtrl::GetLineHeight(wxGenericTreeItem *item) const { - int horizX = level*m_indent; - - item->SetX( horizX+33 ); - item->SetY( y-m_lineHeight/3 ); - item->SetHeight( m_lineHeight ); + if (GetWindowStyleFlag() & wxTR_HAS_VARIABLE_ROW_HEIGHT) + return item->GetHeight(); + else + return m_lineHeight; +} - item->SetCross( horizX+15, y ); +void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) +{ + wxTreeItemAttr *attr = item->GetAttributes(); + if ( attr && attr->HasFont() ) + dc.SetFont(attr->GetFont()); + else if (item->IsBold()) + dc.SetFont(m_boldFont); - int oldY = y; + long text_w = 0; + long text_h = 0; + dc.GetTextExtent( item->GetText(), &text_w, &text_h ); - int exposed_x = dc.LogicalToDeviceX( 0 ); - int exposed_y = dc.LogicalToDeviceY( item->GetY()-2 ); + int image_h = 0; + int image_w = 0; + int image = item->GetCurrentImage(); + if ( image != NO_IMAGE ) + { + if ( m_imageListNormal ) + { + m_imageListNormal->GetSize( image, image_w, image_h ); + image_w += 4; + } + else + { + image = NO_IMAGE; + } + } - if (IsExposed( exposed_x, exposed_y, 10000, m_lineHeight+4 )) // 10000 = very much - { - int startX = horizX; - int endX = horizX + 10; + int total_h = GetLineHeight(item); - if (!item->HasChildren()) endX += 20; + if (item->IsSelected()) + dc.SetBrush(*m_hilightBrush); + else + { + wxColour colBg; + if ( attr && attr->HasBackgroundColour() ) + colBg = attr->GetBackgroundColour(); + else + colBg = m_backgroundColour; + dc.SetBrush(wxBrush(colBg, wxSOLID)); + } - dc.DrawLine( startX, y, endX, y ); + dc.DrawRectangle( item->GetX()-2, item->GetY(), item->GetWidth()+2, total_h ); - if (item->HasPlus()) + if ( image != NO_IMAGE ) { - dc.DrawLine( horizX+20, y, horizX+30, y ); - dc.SetPen( *wxGREY_PEN ); - dc.DrawRectangle( horizX+10, y-4, 11, 9 ); - dc.SetPen( *wxBLACK_PEN ); - dc.DrawLine( horizX+13, y, horizX+18, y ); - - if (!item->IsExpanded()) - dc.DrawLine( horizX+15, y-2, horizX+15, y+3 ); + dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, total_h ); + m_imageListNormal->Draw( image, dc, + item->GetX(), + item->GetY() +((total_h > image_h)?((total_h-image_h)/2):0), + wxIMAGELIST_DRAW_TRANSPARENT ); + dc.DestroyClippingRegion(); } - if (item->HasHilight()) - { - dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) ); + dc.SetBackgroundMode(wxTRANSPARENT); + dc.DrawText( item->GetText(), image_w + item->GetX(), (wxCoord)item->GetY() + + ((total_h > text_h) ? (total_h - text_h)/2 : 0)); - dc.SetBrush( *m_hilightBrush ); + // restore normal font + dc.SetFont( m_normalFont ); +} - long text_w = 0; - long text_h = 0; - dc.GetTextExtent( item->GetText(), &text_w, &text_h ); +// Now y stands for the top of the item, whereas it used to stand for middle ! +void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y ) +{ + int horizX = level*m_indent; - int image_h = 0; - int image_w = 0; - if (item->GetImage() != -1) - { - m_imageListNormal->GetSize( item->GetImage(), image_w, image_h ); - image_w += 4; - } + item->SetX( horizX+m_indent+m_spacing ); + item->SetY( y ); - if (m_hasFocus) - dc.SetPen( *wxBLACK_PEN ); - else - dc.SetPen( *wxTRANSPARENT_PEN ); + int oldY = y; + y+=GetLineHeight(item)/2; - dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 ); + item->SetCross( horizX+m_indent, y ); - if (item->GetImage() != -1) - { - dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, text_h ); - m_imageListNormal->Draw( item->GetImage(), dc, item->GetX(), item->GetY()-1, wxIMAGELIST_DRAW_TRANSPARENT ); - dc.DestroyClippingRegion(); - } - dc.DrawText( item->GetText(), image_w+item->GetX(), item->GetY() ); + int exposed_x = dc.LogicalToDeviceX( 0 ); + int exposed_y = dc.LogicalToDeviceY( item->GetY() ); - dc.SetPen( *wxBLACK_PEN ); - dc.SetTextForeground( *wxBLACK ); - dc.SetBrush( *wxWHITE_BRUSH ); + if (IsExposed( exposed_x, exposed_y, 10000, GetLineHeight(item) )) // 10000 = very much + { + int startX = horizX; + int endX = horizX + (m_indent-5); + +// if (!item->HasChildren()) endX += (m_indent+5); + if (!item->HasChildren()) endX += 20; + + dc.DrawLine( startX, y, endX, y ); + + if (item->HasPlus()) + { + dc.DrawLine( horizX+(m_indent+5), y, horizX+(m_indent+15), y ); + dc.SetPen( *wxGREY_PEN ); + dc.SetBrush( *wxWHITE_BRUSH ); + dc.DrawRectangle( horizX+(m_indent-5), y-4, 11, 9 ); + + dc.SetPen( *wxBLACK_PEN ); + dc.DrawLine( horizX+(m_indent-2), y, horizX+(m_indent+3), y ); + if (!item->IsExpanded()) + dc.DrawLine( horizX+m_indent, y-2, horizX+m_indent, y+3 ); + + dc.SetPen( m_dottedPen ); + } + + wxPen *pen = wxTRANSPARENT_PEN; + wxColour colText; + + if ( item->IsSelected() ) + { + colText = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ); + + if ( m_hasFocus ) + pen = wxBLACK_PEN; + + } + else + { + wxTreeItemAttr *attr = item->GetAttributes(); + if ( attr && attr->HasTextColour() ) + colText = attr->GetTextColour(); + else + colText = *wxBLACK; + } + + // prepare to draw + dc.SetTextForeground(colText); + dc.SetPen(*pen); + + // draw + PaintItem(item, dc); + + // restore DC objects + dc.SetBrush( *wxWHITE_BRUSH ); + dc.SetPen( m_dottedPen ); + dc.SetTextForeground( *wxBLACK ); } - else + + y = oldY+GetLineHeight(item); + + if (item->IsExpanded()) { - dc.SetBrush( *wxWHITE_BRUSH ); - dc.SetPen( *wxTRANSPARENT_PEN ); - - long text_w = 0; - long text_h = 0; - dc.GetTextExtent( item->GetText(), &text_w, &text_h ); - - int image_h = 0; - int image_w = 0; - if (item->GetImage() != -1) - { - m_imageListNormal->GetSize( item->GetImage(), image_w, image_h ); - image_w += 4; - } - - dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 ); - - if (item->GetImage() != -1) - { - dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, text_h ); - m_imageListNormal->Draw( item->GetImage(), dc, item->GetX(), item->GetY()-1, wxIMAGELIST_DRAW_TRANSPARENT ); - dc.DestroyClippingRegion(); - } + oldY+=GetLineHeight(item)/2; + int semiOldY=0; + + wxArrayGenericTreeItems& children = item->GetChildren(); + size_t n, count = children.Count(); + for ( n = 0; n < count; ++n ) + { + semiOldY=y; + PaintLevel( children[n], dc, level+1, y ); + } + + // it may happen that the item is expanded but has no items (when you + // delete all its children for example) - don't draw the vertical line + // in this case + if (count > 0) + { + semiOldY+=GetLineHeight(children[--n])/2; + dc.DrawLine( horizX+m_indent, oldY+5, horizX+m_indent, semiOldY ); + } + } +} - dc.DrawText( item->GetText(), image_w+item->GetX(), item->GetY() ); - dc.SetPen( *wxBLACK_PEN ); +void wxTreeCtrl::DrawDropEffect(wxGenericTreeItem *item) +{ + if ( item ) + { + if ( item->HasPlus() ) + { + // it's a folder, indicate it by a border + DrawBorder(item); + } + else + { + // draw a line under the drop target because the item will be + // dropped there + DrawLine(item, TRUE /* below */); + } + + SetCursor(wxCURSOR_BULLSEYE); } - } + else + { + // can't drop here + SetCursor(wxCURSOR_NO_ENTRY); + } +} - if ( !item->IsExpanded() ) - return; +void wxTreeCtrl::DrawBorder(const wxTreeItemId &item) +{ + wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeCtrl::DrawLine") ); - int semiOldY = y; + wxGenericTreeItem *i = item.m_pItem; - wxArrayTreeItems& children = item->GetChildren(); - size_t count = children.Count(); - for ( size_t n = 0; n < count; n++ ) - { - y += m_lineHeight; - semiOldY = y; + wxClientDC dc(this); + PrepareDC( dc ); + dc.SetLogicalFunction(wxINVERT); + dc.SetBrush(*wxTRANSPARENT_BRUSH); - PaintLevel( children[n], dc, level+1, y ); - } + int w = i->GetWidth() + 2; + int h = GetLineHeight(i) + 2; - dc.DrawLine( horizX+15, oldY+5, horizX+15, semiOldY ); + dc.DrawRectangle( i->GetX() - 1, i->GetY() - 1, w, h); +} + +void wxTreeCtrl::DrawLine(const wxTreeItemId &item, bool below) +{ + wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeCtrl::DrawLine") ); + + wxGenericTreeItem *i = item.m_pItem; + + wxClientDC dc(this); + PrepareDC( dc ); + dc.SetLogicalFunction(wxINVERT); + + int x = i->GetX(), + y = i->GetY(); + if ( below ) + { + y += GetLineHeight(i) - 1; + } + + dc.DrawLine( x, y, x + i->GetWidth(), y); } // ----------------------------------------------------------------------------- @@ -1002,159 +1785,643 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int & void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) ) { - if ( !m_anchor ) - return; + if ( !m_anchor) + return; - wxPaintDC dc(this); - PrepareDC( dc ); + wxPaintDC dc(this); + PrepareDC( dc ); - dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) ); + dc.SetFont( m_normalFont ); + dc.SetPen( m_dottedPen ); - dc.SetPen( m_dottedPen ); - m_lineHeight = (int)(dc.GetCharHeight() + 4); + // this is now done dynamically + //if(GetImageList() == NULL) + // m_lineHeight = (int)(dc.GetCharHeight() + 4); - int y = m_lineHeight / 2 + 2; - PaintLevel( m_anchor, dc, 0, y ); + int y = 2; + PaintLevel( m_anchor, dc, 0, y ); } void wxTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) ) { - m_hasFocus = TRUE; - if ( m_current ) - RefreshLine( m_current ); + m_hasFocus = TRUE; + + if (m_current) RefreshLine( m_current ); } void wxTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) ) { - m_hasFocus = FALSE; - if ( m_current ) - RefreshLine( m_current ); + m_hasFocus = FALSE; + + if (m_current) RefreshLine( m_current ); } void wxTreeCtrl::OnChar( wxKeyEvent &event ) { - // TODO process '+', '-' (expand/collapse branch) and cursor keys - event.Skip(); + wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() ); + te.m_code = (int)event.KeyCode(); + te.SetEventObject( this ); + GetEventHandler()->ProcessEvent( te ); + + if ( (m_current == 0) || (m_key_current == 0) ) + { + event.Skip(); + return; + } + + // how should the selection work for this event? + bool is_multiple, extended_select, unselect_others; + EventFlagsToSelType(GetWindowStyleFlag(), + event.ShiftDown(), + event.ControlDown(), + is_multiple, extended_select, unselect_others); + + // + : Expand + // - : Collaspe + // * : Toggle Expand/Collapse + // ' ' | return : activate + // up : go up (not last children!) + // down : go down + // left : go to parent + // right : open if parent and go next + // home : go to root + // end : go to last item without opening parents + switch (event.KeyCode()) + { + case '+': + case WXK_ADD: + if (m_current->HasPlus() && !IsExpanded(m_current)) + { + Expand(m_current); + } + break; + + case '-': + case WXK_SUBTRACT: + if (IsExpanded(m_current)) + { + Collapse(m_current); + } + break; + + case '*': + case WXK_MULTIPLY: + Toggle(m_current); + break; + + case ' ': + case WXK_RETURN: + { + wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() ); + event.m_item = m_current; + event.m_code = 0; + event.SetEventObject( this ); + GetEventHandler()->ProcessEvent( event ); + } + break; + + // up goes to the previous sibling or to the last of its children if + // it's expanded + case WXK_UP: + { + wxTreeItemId prev = GetPrevSibling( m_key_current ); + if (!prev) + { + prev = GetParent( m_key_current ); + if (prev) + { + long cockie = 0; + wxTreeItemId current = m_key_current; + if (current == GetFirstChild( prev, cockie )) + { + // otherwise we return to where we came from + SelectItem( prev, unselect_others, extended_select ); + m_key_current=prev.m_pItem; + EnsureVisible( prev ); + break; + } + } + } + if (prev) + { + while ( IsExpanded(prev) && HasChildren(prev) ) + { + wxTreeItemId child = GetLastChild(prev); + if ( child ) + { + prev = child; + } + } + + SelectItem( prev, unselect_others, extended_select ); + m_key_current=prev.m_pItem; + EnsureVisible( prev ); + } + } + break; + + // left arrow goes to the parent + case WXK_LEFT: + { + wxTreeItemId prev = GetParent( m_current ); + if (prev) + { + EnsureVisible( prev ); + SelectItem( prev, unselect_others, extended_select ); + } + } + break; + + case WXK_RIGHT: + // this works the same as the down arrow except that we also expand the + // item if it wasn't expanded yet + Expand(m_current); + // fall through + + case WXK_DOWN: + { + if (IsExpanded(m_key_current) && HasChildren(m_key_current)) + { + long cookie = 0; + wxTreeItemId child = GetFirstChild( m_key_current, cookie ); + SelectItem( child, unselect_others, extended_select ); + m_key_current=child.m_pItem; + EnsureVisible( child ); + } + else + { + wxTreeItemId next = GetNextSibling( m_key_current ); +// if (next == 0) + if (!next) + { + wxTreeItemId current = m_key_current; + while (current && !next) + { + current = GetParent( current ); + if (current) next = GetNextSibling( current ); + } + } +// if (next != 0) + if (next) + { + SelectItem( next, unselect_others, extended_select ); + m_key_current=next.m_pItem; + EnsureVisible( next ); + } + } + } + break; + + // selects the last visible tree item + case WXK_END: + { + wxTreeItemId last = GetRootItem(); + + while ( last.IsOk() && IsExpanded(last) ) + { + wxTreeItemId lastChild = GetLastChild(last); + + // it may happen if the item was expanded but then all of + // its children have been deleted - so IsExpanded() returned + // TRUE, but GetLastChild() returned invalid item + if ( !lastChild ) + break; + + last = lastChild; + } + + if ( last.IsOk() ) + { + EnsureVisible( last ); + SelectItem( last, unselect_others, extended_select ); + } + } + break; + + // selects the root item + case WXK_HOME: + { + wxTreeItemId prev = GetRootItem(); + if (prev) + { + EnsureVisible( prev ); + SelectItem( prev, unselect_others, extended_select ); + } + } + break; + + default: + event.Skip(); + } +} + +wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags) +{ + // We have to call this here because the label in + // question might just have been added and no screen + // update taken place. + if (m_dirty) wxYield(); + + wxClientDC dc(this); + PrepareDC(dc); + wxCoord x = dc.DeviceToLogicalX( point.x ); + wxCoord y = dc.DeviceToLogicalY( point.y ); + int w, h; + GetSize(&w, &h); + + flags=0; + if (point.x<0) flags|=wxTREE_HITTEST_TOLEFT; + if (point.x>w) flags|=wxTREE_HITTEST_TORIGHT; + if (point.y<0) flags|=wxTREE_HITTEST_ABOVE; + if (point.y>h) flags|=wxTREE_HITTEST_BELOW; + + return m_anchor->HitTest( wxPoint(x, y), this, flags); +} + +/* **** */ + +void wxTreeCtrl::Edit( const wxTreeItemId& item ) +{ + if (!item.IsOk()) return; + + m_currentEdit = item.m_pItem; + + wxTreeEvent te( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, GetId() ); + te.m_item = m_currentEdit; + te.SetEventObject( this ); + GetEventHandler()->ProcessEvent( te ); + + if (!te.IsAllowed()) return; + + // We have to call this here because the label in + // question might just have been added and no screen + // update taken place. + if (m_dirty) wxYield(); + + wxString s = m_currentEdit->GetText(); + int x = m_currentEdit->GetX(); + int y = m_currentEdit->GetY(); + int w = m_currentEdit->GetWidth(); + int h = m_currentEdit->GetHeight(); + + int image_h = 0; + int image_w = 0; + + int image = m_currentEdit->GetCurrentImage(); + if ( image != NO_IMAGE ) + { + if ( m_imageListNormal ) + { + m_imageListNormal->GetSize( image, image_w, image_h ); + image_w += 4; + } + else + { + wxFAIL_MSG(_T("you must create an image list to use images!")); + } + } + x += image_w; + w -= image_w + 4; // I don't know why +4 is needed + + wxClientDC dc(this); + PrepareDC( dc ); + x = dc.LogicalToDeviceX( x ); + y = dc.LogicalToDeviceY( y ); + + wxTreeTextCtrl *text = new wxTreeTextCtrl( + this, -1, &m_renameAccept, &m_renameRes, this, s, wxPoint(x-4,y-4), wxSize(w+11,h+8) ); + text->SetFocus(); +} + +void wxTreeCtrl::OnRenameTimer() +{ + Edit( m_current ); +} + +void wxTreeCtrl::OnRenameAccept() +{ + wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() ); + le.m_item = m_currentEdit; + le.SetEventObject( this ); + le.m_label = m_renameRes; + GetEventHandler()->ProcessEvent( le ); + + if (!le.IsAllowed()) return; + + SetItemText( m_currentEdit, m_renameRes ); } void wxTreeCtrl::OnMouse( wxMouseEvent &event ) { - if ( !(event.LeftDown() || event.LeftDClick()) ) - return; + if ( !m_anchor ) return; - if ( !m_anchor ) - return; + // we process left mouse up event (enables in-place edit), right down + // (pass to the user code), left dbl click (activate item) and + // dragging/moving events for items drag-and-drop + if ( !(event.LeftUp() || + event.RightDown() || + event.LeftDClick() || + event.Dragging() || + ((event.Moving() || event.RightUp()) && m_isDragging)) ) + { + event.Skip(); - wxClientDC dc(this); - PrepareDC(dc); - long x = dc.DeviceToLogicalX( (long)event.GetX() ); - long y = dc.DeviceToLogicalY( (long)event.GetY() ); + return; + } - bool onButton = FALSE; - wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), onButton ); - if ( item == NULL ) - return; + wxClientDC dc(this); + PrepareDC(dc); + wxCoord x = dc.DeviceToLogicalX( event.GetX() ); + wxCoord y = dc.DeviceToLogicalY( event.GetY() ); - SelectItem(item); + int flags = 0; + wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), this, flags); - if ( event.LeftDClick() ) - { - wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() ); - event.m_item = item; - event.m_code = 0; - event.SetEventObject( this ); - ProcessEvent( event ); - } + bool onButton = flags & wxTREE_HITTEST_ONITEMBUTTON; - if ( onButton ) - { - Toggle( item ); - } + if ( event.Dragging() && !m_isDragging ) + { + if (m_dragCount == 0) + m_dragStart = wxPoint(x,y); + + m_dragCount++; + + if (m_dragCount != 3) + { + // wait until user drags a bit further... + return; + } + + wxEventType command = event.RightIsDown() + ? wxEVT_COMMAND_TREE_BEGIN_RDRAG + : wxEVT_COMMAND_TREE_BEGIN_DRAG; + + wxTreeEvent nevent( command, GetId() ); + nevent.m_item = m_current; + nevent.SetEventObject(this); + + // by default the dragging is not supported, the user code must + // explicitly allow the event for it to take place + nevent.Veto(); + + if ( GetEventHandler()->ProcessEvent(nevent) && nevent.IsAllowed() ) + { + // we're going to drag this item + m_isDragging = TRUE; + + // remember the old cursor because we will change it while + // dragging + m_oldCursor = m_cursor; + + // in a single selection control, hide the selection temporarily + if ( !(GetWindowStyleFlag() & wxTR_MULTIPLE) ) + { + m_oldSelection = GetSelection().m_pItem; + + if ( m_oldSelection ) + { + m_oldSelection->SetHilight(FALSE); + RefreshLine(m_oldSelection); + } + } + + CaptureMouse(); + } + } + else if ( event.Moving() ) + { + if ( item != m_dropTarget ) + { + // unhighlight the previous drop target + DrawDropEffect(m_dropTarget); + + m_dropTarget = item; + + // highlight the current drop target if any + DrawDropEffect(m_dropTarget); + + wxYield(); + } + } + else if ( (event.LeftUp() || event.RightUp()) && m_isDragging ) + { + // erase the highlighting + DrawDropEffect(m_dropTarget); + + // generate the drag end event + wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, GetId()); + + event.m_item = item; + event.m_pointDrag = wxPoint(x, y); + event.SetEventObject(this); + + (void)GetEventHandler()->ProcessEvent(event); + + m_isDragging = FALSE; + m_dropTarget = (wxGenericTreeItem *)NULL; + + if ( m_oldSelection ) + { + m_oldSelection->SetHilight(TRUE); + RefreshLine(m_oldSelection); + m_oldSelection = (wxGenericTreeItem *)NULL; + } + + ReleaseMouse(); + + SetCursor(m_oldCursor); + + wxYield(); + } + else + { + // here we process only the messages which happen on tree items + + m_dragCount = 0; + + if (item == NULL) return; /* we hit the blank area */ + + if ( event.RightDown() ) + { + wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId()); + nevent.m_item = item; + nevent.m_code = 0; + nevent.SetEventObject(this); + GetEventHandler()->ProcessEvent(nevent); + } + else if ( event.LeftUp() && (item == m_current) && + (flags & wxTREE_HITTEST_ONITEMLABEL) && + HasFlag(wxTR_EDIT_LABELS) ) + { + m_renameTimer->Start( 100, TRUE ); + } + else + { + // how should the selection work for this event? + bool is_multiple, extended_select, unselect_others; + EventFlagsToSelType(GetWindowStyleFlag(), + event.ShiftDown(), + event.ControlDown(), + is_multiple, extended_select, unselect_others); + + if ( onButton ) + { + Toggle( item ); + if ( is_multiple ) + return; + } + + SelectItem(item, unselect_others, extended_select); + + if ( event.LeftDClick() ) + { + wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() ); + nevent.m_item = item; + nevent.m_code = 0; + nevent.SetEventObject( this ); + GetEventHandler()->ProcessEvent( nevent ); + } + } + } } void wxTreeCtrl::OnIdle( wxIdleEvent &WXUNUSED(event) ) { - if (!m_dirty) return; - - m_dirty = FALSE; - - CalculatePositions(); + /* after all changes have been done to the tree control, + * we actually redraw the tree when everything is over */ + + if (!m_dirty) + return; - AdjustMyScrollbars(); + m_dirty = FALSE; + + CalculatePositions(); + Refresh(); + AdjustMyScrollbars(); +} + +void wxTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc ) +{ + wxCoord text_w = 0; + wxCoord text_h = 0; + + if (item->IsBold()) + dc.SetFont(m_boldFont); + + dc.GetTextExtent( item->GetText(), &text_w, &text_h ); + text_h+=2; + + // restore normal font + dc.SetFont( m_normalFont ); + + int image_h = 0; + int image_w = 0; + int image = item->GetCurrentImage(); + if ( image != NO_IMAGE ) + { + if ( m_imageListNormal ) + { + m_imageListNormal->GetSize( image, image_w, image_h ); + image_w += 4; + } + } + + int total_h = (image_h > text_h) ? image_h : text_h; + + if (total_h < 40) + total_h += 2; // at least 2 pixels + else + total_h += total_h/10; // otherwise 10% extra spacing + + item->SetHeight(total_h); + if (total_h>m_lineHeight) + m_lineHeight=total_h; + + item->SetWidth(image_w+text_w+2); } // ----------------------------------------------------------------------------- -// ----------------------------------------------------------------------------- -void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, - wxDC &dc, - int level, - int &y ) +// for developper : y is now the top of the level +// not the middle of it ! +void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y ) { - int horizX = level*m_indent; + int horizX = level*m_indent; - item->SetX( horizX+33 ); - item->SetY( y-m_lineHeight/3-2 ); - item->SetHeight( m_lineHeight ); + CalculateSize( item, dc ); - if ( item->IsExpanded() ) - return; + // set its position + item->SetX( horizX+m_indent+m_spacing ); + item->SetY( y ); + y+=GetLineHeight(item); - wxArrayTreeItems& children = item->GetChildren(); - size_t count = children.Count(); - for ( size_t n = 0; n < count; n++ ) - { - y += m_lineHeight; - CalculateLevel( children[n], dc, level+1, y ); - } + if ( !item->IsExpanded() ) + { + // we dont need to calculate collapsed branches + return; + } + + wxArrayGenericTreeItems& children = item->GetChildren(); + size_t n, count = children.Count(); + for (n = 0; n < count; ++n ) + CalculateLevel( children[n], dc, level+1, y ); // recurse } void wxTreeCtrl::CalculatePositions() { - if ( !m_anchor ) - return; + if ( !m_anchor ) return; - wxClientDC dc(this); - PrepareDC( dc ); + wxClientDC dc(this); + PrepareDC( dc ); - dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) ); + dc.SetFont( m_normalFont ); - dc.SetPen( m_dottedPen ); - m_lineHeight = (int)(dc.GetCharHeight() + 4); + dc.SetPen( m_dottedPen ); + //if(GetImageList() == NULL) + // m_lineHeight = (int)(dc.GetCharHeight() + 4); - int y = m_lineHeight / 2 + 2; - CalculateLevel( m_anchor, dc, 0, y ); + int y = 2; + CalculateLevel( m_anchor, dc, 0, y ); // start recursion } void wxTreeCtrl::RefreshSubtree(wxGenericTreeItem *item) { - wxClientDC dc(this); - PrepareDC(dc); + if (m_dirty) return; + + wxClientDC dc(this); + PrepareDC(dc); - int cw = 0; - int ch = 0; - GetClientSize( &cw, &ch ); + int cw = 0; + int ch = 0; + GetClientSize( &cw, &ch ); - wxRect rect; - rect.x = dc.LogicalToDeviceX( 0 ); - rect.width = cw; - rect.y = dc.LogicalToDeviceY( item->GetY() ); - rect.height = ch; + wxRect rect; + rect.x = dc.LogicalToDeviceX( 0 ); + rect.width = cw; + rect.y = dc.LogicalToDeviceY( item->GetY() ); + rect.height = ch; - Refresh( TRUE, &rect ); + Refresh( TRUE, &rect ); - AdjustMyScrollbars(); + AdjustMyScrollbars(); } void wxTreeCtrl::RefreshLine( wxGenericTreeItem *item ) { - wxClientDC dc(this); - PrepareDC( dc ); + if (m_dirty) return; + + wxClientDC dc(this); + PrepareDC( dc ); + + int cw = 0; + int ch = 0; + GetClientSize( &cw, &ch ); + + wxRect rect; + rect.x = dc.LogicalToDeviceX( 0 ); + rect.y = dc.LogicalToDeviceY( item->GetY() ); + rect.width = cw; + rect.height = GetLineHeight(item); //dc.GetCharHeight() + 6; - wxRect rect; - rect.x = dc.LogicalToDeviceX( item->GetX() - 2 ); - rect.y = dc.LogicalToDeviceY( item->GetY() - 2 ); - rect.width = 1000; - rect.height = dc.GetCharHeight() + 6; - Refresh( TRUE, &rect ); + Refresh( TRUE, &rect ); }