X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fb882e1cbe394c8608198f1b503f57b24deab451..8b260fbe33b67311ab69043e8fb1bc4c4d7ac1f2:/src/generic/treectrl.cpp diff --git a/src/generic/treectrl.cpp b/src/generic/treectrl.cpp index 95744550b7..36f8be5bfa 100644 --- a/src/generic/treectrl.cpp +++ b/src/generic/treectrl.cpp @@ -61,106 +61,121 @@ static const int NO_IMAGE = -1; 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 + wxArrayGenericTreeItems& GetChildren() { return m_children; } - const wxString& GetText() const { return m_text; } - int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const + const wxString& GetText() const { return m_text; } + int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const { return m_images[which]; } - wxTreeItemData *GetData() const { return m_data; } + wxTreeItemData *GetData() const { return m_data; } - // returns the current image for the item (depending on its - // selected/expanded/whatever state) - int GetCurrentImage() const; + // returns the current image for the item (depending on its + // selected/expanded/whatever state) + int GetCurrentImage() const; - void SetText( const wxString &text ); - void SetImage(int image, wxTreeItemIcon which) { m_images[which] = 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; } - void SetBold(bool bold) { m_isBold = bold; } + void SetBold(bool bold) { m_isBold = bold; } - int GetX() const { return m_x; } - int GetY() const { return m_y; } + 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; } - int GetHeight() const { return m_height; } - int GetWidth() const { return m_width; } + int GetHeight() const { return m_height; } + int GetWidth() const { return m_width; } - void SetHeight(int h) { m_height = h; } - void SetWidth(int w) { m_width = w; } + void SetHeight(int h) { m_height = h; } + void SetWidth(int w) { m_width = w; } - wxGenericTreeItem *GetParent() const { return m_parent; } + 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(); + // 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; + // get count of all children (and grand children if 'recursively') + size_t GetChildrenCount(bool recursively = TRUE) const; - void Insert(wxGenericTreeItem *child, size_t index) + void Insert(wxGenericTreeItem *child, size_t index) { m_children.Insert(child, index); } - void SetCross( int x, int y ); - void GetSize( int &x, int &y, const wxTreeCtrl* ); + 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, const wxTreeCtrl *, int &flags); - 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 IsSelected() const { return m_hasHilight; } + bool IsExpanded() const { return !m_isCollapsed; } + bool HasPlus() const { return m_hasPlus || HasChildren(); } + bool IsBold() const { return m_isBold; } + + // 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; - - // tree ctrl images for the normal, selected, expanded and expanded+selected - // states - int m_images[wxTreeItemIcon_Max]; - - wxTreeItemData *m_data; - - // 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 still 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; - wxArrayGenericTreeItems m_children; - wxGenericTreeItem *m_parent; + wxString m_text; + + // tree ctrl images for the normal, selected, expanded and + // expanded+selected states + int m_images[wxTreeItemIcon_Max]; + + wxTreeItemData *m_data; + + // 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; + + wxArrayGenericTreeItems m_children; + wxGenericTreeItem *m_parent; + + wxTreeItemAttr *m_attr; }; // ============================================================================= @@ -196,7 +211,9 @@ 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, +#if wxUSE_VALIDATORS int style, const wxValidator& validator, const wxString &name ) : +#endif wxTextCtrl( parent, id, value, pos, size, style, validator, name ) { m_res = res; @@ -279,6 +296,8 @@ wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent, m_parent = parent; + m_attr = (wxTreeItemAttr *)NULL; + dc.GetTextExtent( m_text, &m_width, &m_height ); // TODO : Add the width of the image // PB : We don't know which image is shown (image, selImage) @@ -290,6 +309,8 @@ wxGenericTreeItem::~wxGenericTreeItem() { delete m_data; + delete m_attr; + wxASSERT_MSG( m_children.IsEmpty(), wxT("please call DeleteChildren() before deleting the item") ); } @@ -415,7 +436,7 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point, } if (point.x < m_x) - flags |= wxTREE_HITTEST_ONITEMIDENT; + flags |= wxTREE_HITTEST_ONITEMINDENT; if (point.x > m_x+m_width) flags |= wxTREE_HITTEST_ONITEMRIGHT; @@ -517,12 +538,21 @@ void wxTreeCtrl::Init() m_dragCount = 0; 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, +#if wxUSE_VALIDATORS const wxValidator &validator, +#endif const wxString& name ) { Init(); @@ -648,15 +678,44 @@ void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) { - wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - // avoid redrawing the tree if no real change - wxGenericTreeItem *pItem = item.m_pItem; - if ( pItem->IsBold() != bold ) - { - pItem->SetBold(bold); + // avoid redrawing the tree if no real change + wxGenericTreeItem *pItem = item.m_pItem; + if ( pItem->IsBold() != bold ) + { + pItem->SetBold(bold); + RefreshLine(pItem); + } +} + +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(), wxT("invalid tree item") ); + + 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); - } } // ----------------------------------------------------------------------------- @@ -816,49 +875,53 @@ 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, wxTreeItemId(), wxT("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; + } - Refresh(); - AdjustMyScrollbars(); + 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, @@ -922,32 +985,32 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& itemId) 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 + } - item->DeleteChildren(this); - SendDeleteEvent(item); - delete item; + item->DeleteChildren(this); + SendDeleteEvent(item); + delete item; - m_dirty = TRUE; + m_dirty = TRUE; } void wxTreeCtrl::DeleteAllItems() { - if ( m_anchor ) - { - m_anchor->DeleteChildren(this); - delete m_anchor; + if ( m_anchor ) + { + m_anchor->DeleteChildren(this); + delete m_anchor; - m_anchor = NULL; + m_anchor = NULL; - m_dirty = TRUE; - } + m_dirty = TRUE; + } } void wxTreeCtrl::Expand(const wxTreeItemId& itemId) @@ -963,7 +1026,7 @@ void wxTreeCtrl::Expand(const wxTreeItemId& itemId) 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() ) { @@ -1285,7 +1348,7 @@ void wxTreeCtrl::ScrollTo(const wxTreeItemId &item) // FIXME: tree sorting functions are not reentrant and not MT-safe! static wxTreeCtrl *s_treeBeingSorted = NULL; -static int tree_ctrl_compare_func(wxGenericTreeItem **item1, +static int LINKAGEMODE tree_ctrl_compare_func(wxGenericTreeItem **item1, wxGenericTreeItem **item2) { wxCHECK_MSG( s_treeBeingSorted, 0, wxT("bug in wxTreeCtrl::SortChildren()") ); @@ -1394,28 +1457,11 @@ int wxTreeCtrl::GetLineHeight(wxGenericTreeItem *item) const void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) { - // render bold items in bold - wxFont fontOld; - wxFont fontNew; - - if (item->IsBold()) - { - fontOld = dc.GetFont(); - if (fontOld.Ok()) - { - // VZ: is there any better way to make a bold variant of old font? - fontNew = wxFont( fontOld.GetPointSize(), - fontOld.GetFamily(), - fontOld.GetStyle(), - wxBOLD, - fontOld.GetUnderlined()); - dc.SetFont(fontNew); - } - else - { - wxFAIL_MSG(wxT("wxDC::GetFont() failed!")); - } - } + wxTreeItemAttr *attr = item->GetAttributes(); + if ( attr && attr->HasFont() ) + dc.SetFont(attr->GetFont()); + else if (item->IsBold()) + dc.SetFont(m_boldFont); long text_w = 0; long text_h = 0; @@ -1444,15 +1490,15 @@ void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) dc.DestroyClippingRegion(); } - dc.SetBackgroundMode(wxTRANSPARENT); + bool hasBgCol = attr && attr->HasBackgroundColour(); + dc.SetBackgroundMode(hasBgCol ? wxSOLID : wxTRANSPARENT); + if ( hasBgCol ) + dc.SetTextBackground(attr->GetBackgroundColour()); dc.DrawText( item->GetText(), image_w + item->GetX(), item->GetY() + ((total_h > text_h) ? (total_h - text_h)/2 : 0)); - // restore normal font for bold items - if (fontOld.Ok()) - { - dc.SetFont( fontOld); - } + // restore normal font + dc.SetFont( m_normalFont ); } // Now y stands for the top of the item, whereas it used to stand for middle ! @@ -1496,32 +1542,43 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int & dc.SetPen( m_dottedPen ); } - if (item->IsSelected()) - { - dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) ); + wxPen *pen = wxTRANSPARENT_PEN; + wxBrush *brush; // FIXME is this really needed? + wxColour colText; - dc.SetBrush( *m_hilightBrush ); + if ( item->IsSelected() ) + { + colText = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ); - if (m_hasFocus) - dc.SetPen( *wxBLACK_PEN ); - else - dc.SetPen( *wxTRANSPARENT_PEN ); + brush = m_hilightBrush; - PaintItem(item, dc); + if ( m_hasFocus ) + pen = wxBLACK_PEN; - dc.SetPen( m_dottedPen ); - dc.SetTextForeground( *wxBLACK ); - dc.SetBrush( *wxWHITE_BRUSH ); } else { - dc.SetBrush( *wxWHITE_BRUSH ); - dc.SetPen( *wxTRANSPARENT_PEN ); - - PaintItem(item, dc); + wxTreeItemAttr *attr = item->GetAttributes(); + if ( attr && attr->HasTextColour() ) + colText = attr->GetTextColour(); + else + colText = *wxBLACK; - dc.SetPen( m_dottedPen ); + brush = wxWHITE_BRUSH; } + + // prepare to draw + dc.SetTextForeground(colText); + dc.SetPen(*pen); + dc.SetBrush(*brush); + + // draw + PaintItem(item, dc); + + // restore DC objects + dc.SetBrush( *wxWHITE_BRUSH ); + dc.SetPen( m_dottedPen ); + dc.SetTextForeground( *wxBLACK ); } y = oldY+GetLineHeight(item); @@ -1529,7 +1586,7 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int & if (item->IsExpanded()) { oldY+=GetLineHeight(item)/2; - int semiOldY=y; // (=y) for stupid compilator + int semiOldY=0; wxArrayGenericTreeItems& children = item->GetChildren(); size_t n, count = children.Count(); @@ -1543,10 +1600,10 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int & // 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 ); - } + } } } @@ -1600,9 +1657,10 @@ void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) ) wxPaintDC dc(this); PrepareDC( dc ); - dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) ); - + dc.SetFont( m_normalFont ); dc.SetPen( m_dottedPen ); + + // this is now done dynamically //if(GetImageList() == NULL) // m_lineHeight = (int)(dc.GetCharHeight() + 4); @@ -1939,7 +1997,7 @@ void wxTreeCtrl::OnMouse( wxMouseEvent &event ) if (item == NULL) return; /* we hit the blank area */ - if (event.RightDown()) { + if (event.RightDown()) { wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK,GetId()); nevent.m_item=item; nevent.m_code=0; @@ -1999,33 +2057,14 @@ void wxTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc ) long text_w = 0; long text_h = 0; - wxFont fontOld; - wxFont fontNew; if (item->IsBold()) - { - fontOld = dc.GetFont(); - if (fontOld.Ok()) - { - // VZ: is there any better way to make a bold variant of old font? - fontNew = wxFont( fontOld.GetPointSize(), - fontOld.GetFamily(), - fontOld.GetStyle(), - wxBOLD, - fontOld.GetUnderlined()); - dc.SetFont(fontNew); - } - else - { - wxFAIL_MSG(wxT("wxDC::GetFont() failed!")); - } - } + dc.SetFont(m_boldFont); dc.GetTextExtent( item->GetText(), &text_w, &text_h ); text_h+=2; - // restore normal font for bold items - if (fontOld.Ok()) - dc.SetFont( fontOld); + // restore normal font + dc.SetFont( m_normalFont ); int image_h = 0; int image_w = 0; @@ -2080,7 +2119,7 @@ void wxTreeCtrl::CalculatePositions() wxClientDC dc(this); PrepareDC( dc ); - dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) ); + dc.SetFont( m_normalFont ); dc.SetPen( m_dottedPen ); //if(GetImageList() == NULL)