X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8239070ba965672ed531d04f2109e4e4e1f3fbec..d2e66707deb10dea6f92e3e4092f8a43ef942a5d:/src/generic/treectlg.cpp diff --git a/src/generic/treectlg.cpp b/src/generic/treectlg.cpp index 530f5e6404..7415dafd50 100644 --- a/src/generic/treectlg.cpp +++ b/src/generic/treectlg.cpp @@ -86,7 +86,7 @@ public: private: wxGenericTreeCtrl *m_owner; - DECLARE_NO_COPY_CLASS(wxTreeRenameTimer) + wxDECLARE_NO_COPY_CLASS(wxTreeRenameTimer); }; // control used for in-place edit @@ -114,7 +114,7 @@ private: bool m_aboutToFinish; DECLARE_EVENT_TABLE() - DECLARE_NO_COPY_CLASS(wxTreeTextCtrl) + wxDECLARE_NO_COPY_CLASS(wxTreeTextCtrl); }; // timer used to clear wxGenericTreeCtrl::m_findPrefix if no key was pressed @@ -132,7 +132,7 @@ public: private: wxGenericTreeCtrl *m_owner; - DECLARE_NO_COPY_CLASS(wxTreeFindTimer) + wxDECLARE_NO_COPY_CLASS(wxTreeFindTimer); }; // a tree item @@ -140,7 +140,13 @@ class WXDLLEXPORT wxGenericTreeItem { public: // ctors & dtor - wxGenericTreeItem() { m_data = NULL; } + wxGenericTreeItem() + { + m_data = NULL; + m_widthText = + m_heightText = -1; + } + wxGenericTreeItem( wxGenericTreeItem *parent, const wxString& text, int image, @@ -162,14 +168,30 @@ public: // selected/expanded/whatever state) int GetCurrentImage() const; - void SetText( const wxString &text ) { m_text = text; } - void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; } + void SetText(const wxString& text) + { + m_text = text; + + ResetTextSize(); + } + + void SetImage(int image, wxTreeItemIcon which) + { + m_images[which] = image; + m_width = 0; + } + void SetData(wxTreeItemData *data) { m_data = data; } - void SetState(int state) { m_state = state; } + void SetState(int state) { m_state = state; m_width = 0; } void SetHasPlus(bool has = true) { m_hasPlus = has; } - void SetBold(bool bold) { m_isBold = bold; } + void SetBold(bool bold) + { + m_isBold = bold; + + ResetTextSize(); + } int GetX() const { return m_x; } int GetY() const { return m_y; } @@ -177,14 +199,43 @@ public: 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; } + + int GetTextHeight() const + { + wxASSERT_MSG( m_heightText != -1, "must call CalculateSize() first" ); + + return m_heightText; + } + + int GetTextWidth() const + { + wxASSERT_MSG( m_widthText != -1, "must call CalculateSize() first" ); - void SetHeight(int h) { m_height = h; } - void SetWidth(int w) { m_width = w; } + return m_widthText; + } wxGenericTreeItem *GetParent() const { return m_parent; } + // sets the items font for the specified DC if it uses any special font or + // simply returns false otherwise + bool SetFont(wxGenericTreeCtrl *control, wxDC& dc) const + { + wxFont font; + + wxTreeItemAttr * const attr = GetAttributes(); + if ( attr && attr->HasFont() ) + font = attr->GetFont(); + else if ( IsBold() ) + font = control->m_boldFont; + else + return false; + + dc.SetFont(font); + return true; + } + // operations // deletes all children notifying the treectrl about it @@ -196,8 +247,20 @@ public: void Insert(wxGenericTreeItem *child, size_t index) { m_children.Insert(child, index); } + // calculate and cache the item size using either the provided DC (which is + // supposed to have wxGenericTreeCtrl::m_normalFont selected into it!) or a + // wxClientDC on the control window + void CalculateSize(wxGenericTreeCtrl *control, wxDC& dc) + { DoCalculateSize(control, dc, true /* dc uses normal font */); } + void CalculateSize(wxGenericTreeCtrl *control); + void GetSize( int &x, int &y, const wxGenericTreeCtrl* ); + void ResetSize() { m_width = 0; } + void ResetTextSize() { m_width = 0; m_widthText = -1; } + void RecursiveResetSize(); + void RecursiveResetTextSize(); + // 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 item's label @@ -237,19 +300,34 @@ public: if ( m_ownsAttr ) delete m_attr; m_attr = attr; m_ownsAttr = false; + m_width = 0; + m_widthText = -1; } // set them and delete when done void AssignAttributes(wxTreeItemAttr *attr) { SetAttributes(attr); m_ownsAttr = true; + m_width = 0; + m_widthText = -1; } private: + // calculate the size of this item, i.e. set m_width, m_height and + // m_widthText and m_heightText properly + // + // if dcUsesNormalFont is true, the current dc font must be the normal tree + // control font + void DoCalculateSize(wxGenericTreeCtrl *control, + wxDC& dc, + bool dcUsesNormalFont); + // since there can be very many of these, we save size by chosing // the smallest representation for the elements and by ordering // the members to avoid padding. wxString m_text; // label to be rendered for item + int m_widthText; + int m_heightText; wxTreeItemData *m_data; // user-provided data @@ -277,7 +355,7 @@ private: unsigned int m_isBold :1; // render the label in bold font unsigned int m_ownsAttr :1; // delete attribute when done - DECLARE_NO_COPY_CLASS(wxGenericTreeItem) + wxDECLARE_NO_COPY_CLASS(wxGenericTreeItem); }; // ============================================================================= @@ -351,45 +429,32 @@ wxTreeTextCtrl::wxTreeTextCtrl(wxGenericTreeCtrl *owner, m_owner = owner; m_aboutToFinish = false; - int w = m_itemEdited->GetWidth(), - h = m_itemEdited->GetHeight(); - - int x, y; - m_owner->CalcScrolledPosition(item->GetX(), item->GetY(), &x, &y); - - int image_h = 0, - image_w = 0; - - int image = item->GetCurrentImage(); - if ( image != NO_IMAGE ) - { - if ( m_owner->m_imageListNormal ) - { - m_owner->m_imageListNormal->GetSize( image, image_w, image_h ); - image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT; - } - else - { - wxFAIL_MSG(_T("you must create an image list to use images!")); - } - } + wxRect rect; + m_owner->GetBoundingRect(m_itemEdited, rect, true); - // FIXME: what are all these hardcoded 4, 8 and 11s really? - x += image_w; - w -= image_w + 4; -#ifdef __WXMAC__ - wxSize bs = DoGetBestSize() ; - // edit control height - if ( h > bs.y - 8 ) - { - int diff = h - ( bs.y - 8 ) ; - h -= diff ; - y += diff / 2 ; - } -#endif + // corrects position and size for better appearance +#ifdef __WXMSW__ + rect.x -= 5; + rect.width += 10; +#elif defined(__WXGTK__) + rect.x -= 5; + rect.y -= 2; + rect.width += 8; + rect.height += 4; +#elif defined(wxOSX_USE_CARBON) && wxOSX_USE_CARBON + int bestHeight = GetBestSize().y - 8; + if ( rect.height > bestHeight ) + { + int diff = rect.height - bestHeight; + rect.height -= diff; + rect.y += diff / 2; + } +#endif // platforms (void)Create(m_owner, wxID_ANY, m_startValue, - wxPoint(x - 4, y - 4), wxSize(w + 11, h + 8)); + rect.GetPosition(), rect.GetSize()); + + SetSelection(-1, -1); } void wxTreeTextCtrl::EndEdit(bool discardChanges) @@ -476,7 +541,7 @@ void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event ) wxPoint myPos = GetPosition(); wxSize mySize = GetSize(); int sx, sy; - GetTextExtent(GetValue() + _T("M"), &sx, &sy); + GetTextExtent(GetValue() + wxT("M"), &sx, &sy); if (myPos.x + sx > parentSize.x) sx = parentSize.x - myPos.x; if (mySize.x > sx) @@ -527,12 +592,15 @@ wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent, m_parent = parent; - m_attr = (wxTreeItemAttr *)NULL; + m_attr = NULL; m_ownsAttr = false; // We don't know the height here yet. m_width = 0; m_height = 0; + + m_widthText = -1; + m_heightText = -1; } wxGenericTreeItem::~wxGenericTreeItem() @@ -677,7 +745,7 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest(const wxPoint& point, } // if children are expanded, fall through to evaluate them - if (m_isCollapsed) return (wxGenericTreeItem*) NULL; + if (m_isCollapsed) return NULL; } // evaluate children @@ -692,7 +760,7 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest(const wxPoint& point, return res; } - return (wxGenericTreeItem*) NULL; + return NULL; } int wxGenericTreeItem::GetCurrentImage() const @@ -725,6 +793,105 @@ int wxGenericTreeItem::GetCurrentImage() const return image; } +void wxGenericTreeItem::CalculateSize(wxGenericTreeCtrl* control) +{ + // check if we need to do anything before creating the DC + if ( m_width != 0 ) + return; + + wxClientDC dc(control); + DoCalculateSize(control, dc, false /* normal font not used */); +} + +void +wxGenericTreeItem::DoCalculateSize(wxGenericTreeCtrl* control, + wxDC& dc, + bool dcUsesNormalFont) +{ + if ( m_width != 0 ) // Size known, nothing to do + return; + + if ( m_widthText == -1 ) + { + bool fontChanged; + if ( SetFont(control, dc) ) + { + fontChanged = true; + } + else // we have no special font + { + if ( !dcUsesNormalFont ) + { + // but we do need to ensure that the normal font is used: notice + // that this doesn't count as changing the font as we don't need + // to restore it + dc.SetFont(control->m_normalFont); + } + + fontChanged = false; + } + + dc.GetTextExtent( GetText(), &m_widthText, &m_heightText ); + + // restore normal font if the DC used it previously and we changed it + if ( fontChanged ) + dc.SetFont(control->m_normalFont); + } + + int text_h = m_heightText + 2; + + int image_h = 0, image_w = 0; + int image = GetCurrentImage(); + if ( image != NO_IMAGE && control->m_imageListNormal ) + { + control->m_imageListNormal->GetSize(image, image_w, image_h); + image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT; + } + + int state_h = 0, state_w = 0; + int state = GetState(); + if ( state != wxTREE_ITEMSTATE_NONE && control->m_imageListState ) + { + control->m_imageListState->GetSize(state, state_w, state_h); + if ( image_w != 0 ) + state_w += MARGIN_BETWEEN_STATE_AND_IMAGE; + else + state_w += MARGIN_BETWEEN_IMAGE_AND_TEXT; + } + + int img_h = wxMax(state_h, image_h); + m_height = wxMax(img_h, text_h); + + if (m_height < 30) + m_height += 2; // at least 2 pixels + else + m_height += m_height / 10; // otherwise 10% extra spacing + + if (m_height > control->m_lineHeight) + control->m_lineHeight = m_height; + + m_width = state_w + image_w + m_widthText + 2; +} + +void wxGenericTreeItem::RecursiveResetSize() +{ + m_width = 0; + + const size_t count = m_children.Count(); + for (size_t i = 0; i < count; i++ ) + m_children[i]->RecursiveResetSize(); +} + +void wxGenericTreeItem::RecursiveResetTextSize() +{ + m_width = 0; + m_widthText = -1; + + const size_t count = m_children.Count(); + for (size_t i = 0; i < count; i++ ) + m_children[i]->RecursiveResetTextSize(); +} + // ----------------------------------------------------------------------------- // wxGenericTreeCtrl implementation // ----------------------------------------------------------------------------- @@ -735,21 +902,13 @@ BEGIN_EVENT_TABLE(wxGenericTreeCtrl, wxTreeCtrlBase) EVT_PAINT (wxGenericTreeCtrl::OnPaint) EVT_SIZE (wxGenericTreeCtrl::OnSize) EVT_MOUSE_EVENTS (wxGenericTreeCtrl::OnMouse) + EVT_KEY_DOWN (wxGenericTreeCtrl::OnKeyDown) EVT_CHAR (wxGenericTreeCtrl::OnChar) EVT_SET_FOCUS (wxGenericTreeCtrl::OnSetFocus) EVT_KILL_FOCUS (wxGenericTreeCtrl::OnKillFocus) EVT_TREE_ITEM_GETTOOLTIP(wxID_ANY, wxGenericTreeCtrl::OnGetToolTip) END_EVENT_TABLE() -#if !defined(__WXMSW__) || defined(__WXUNIVERSAL__) -/* - * wxTreeCtrl has to be a real class or we have problems with - * the run-time information. - */ - -IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxGenericTreeCtrl) -#endif - // ----------------------------------------------------------------------------- // construction/destruction // ----------------------------------------------------------------------------- @@ -759,7 +918,7 @@ void wxGenericTreeCtrl::Init() m_current = m_key_current = m_anchor = - m_select_me = (wxGenericTreeItem *) NULL; + m_select_me = NULL; m_hasFocus = false; m_dirty = false; @@ -800,24 +959,17 @@ void wxGenericTreeCtrl::Init() m_dropEffectAboveItem = false; + m_dndEffect = NoEffect; + m_dndEffectItem = NULL; + m_lastOnSame = false; -#if defined( __WXMAC__ ) -#if wxOSX_USE_CARBON - m_normalFont.MacCreateFromThemeFont( kThemeViewsFont ) ; -#else - m_normalFont.MacCreateFromUIFont( kCTFontViewsFontType ) ; -#endif +#if defined( __WXMAC__ ) + m_normalFont = wxFont(wxOSX_SYSTEM_FONT_VIEWS); #else m_normalFont = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT ); #endif - m_boldFont = wxFont(m_normalFont.GetPointSize(), - m_normalFont.GetFamily(), - m_normalFont.GetStyle(), - wxBOLD, - m_normalFont.GetUnderlined(), - m_normalFont.GetFaceName(), - m_normalFont.GetEncoding()); + m_boldFont = m_normalFont.Bold(); } bool wxGenericTreeCtrl::Create(wxWindow *parent, @@ -834,8 +986,16 @@ bool wxGenericTreeCtrl::Create(wxWindow *parent, if (major < 10) style |= wxTR_ROW_LINES; + + if (style & wxTR_HAS_BUTTONS) + style |= wxTR_NO_LINES; #endif // __WXMAC__ +#ifdef __WXGTK20__ + if (style & wxTR_HAS_BUTTONS) + style |= wxTR_NO_LINES; +#endif + if ( !wxControl::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, validator, @@ -1004,10 +1164,9 @@ wxGenericTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) { wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - wxClientDC dc(this); wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem; pItem->SetText(text); - CalculateSize(pItem, dc); + pItem->CalculateSize(this); RefreshLine(pItem); } @@ -1019,9 +1178,7 @@ void wxGenericTreeCtrl::SetItemImage(const wxTreeItemId& item, wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem; pItem->SetImage(image, which); - - wxClientDC dc(this); - CalculateSize(pItem, dc); + pItem->CalculateSize(this); RefreshLine(pItem); } @@ -1042,6 +1199,7 @@ void wxGenericTreeCtrl::DoSetItemState(const wxTreeItemId& item, int state) wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem; pItem->SetState(state); + pItem->CalculateSize(this); RefreshLine(pItem); } @@ -1066,9 +1224,7 @@ void wxGenericTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) // recalculate the item size as bold and non bold fonts have different // widths - wxClientDC dc(this); - CalculateSize(pItem, dc); - + pItem->CalculateSize(this); RefreshLine(pItem); } } @@ -1119,6 +1275,8 @@ wxGenericTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem; pItem->Attr().SetFont(font); + pItem->ResetTextSize(); + pItem->CalculateSize(this); RefreshLine(pItem); } @@ -1126,14 +1284,11 @@ bool wxGenericTreeCtrl::SetFont( const wxFont &font ) { wxTreeCtrlBase::SetFont(font); - m_normalFont = font ; - m_boldFont = wxFont(m_normalFont.GetPointSize(), - m_normalFont.GetFamily(), - m_normalFont.GetStyle(), - wxBOLD, - m_normalFont.GetUnderlined(), - m_normalFont.GetFaceName(), - m_normalFont.GetEncoding()); + m_normalFont = font; + m_boldFont = m_normalFont.Bold(); + + if (m_anchor) + m_anchor->RecursiveResetTextSize(); return true; } @@ -1329,16 +1484,16 @@ wxTreeItemId wxGenericTreeCtrl::GetNext(const wxTreeItemId& item) const wxTreeItemId wxGenericTreeCtrl::GetFirstVisibleItem() const { - wxTreeItemId id = GetRootItem(); - if (!id.IsOk()) - return id; + wxTreeItemId itemid = GetRootItem(); + if (!itemid.IsOk()) + return itemid; do { - if (IsVisible(id)) - return id; - id = GetNext(id); - } while (id.IsOk()); + if (IsVisible(itemid)) + return itemid; + itemid = GetNext(itemid); + } while (itemid.IsOk()); return wxTreeItemId(); } @@ -1415,40 +1570,40 @@ wxTreeItemId wxGenericTreeCtrl::FindItem(const wxTreeItemId& idParent, // allows to switch between two items starting with the same letter just by // pressing it) but we shouldn't jump to the next one if the user is // continuing to type as otherwise he might easily skip the item he wanted - wxTreeItemId id = idParent; + wxTreeItemId itemid = idParent; if ( prefix.length() == 1 ) { - id = GetNext(id); + itemid = GetNext(itemid); } // look for the item starting with the given prefix after it - while ( id.IsOk() && !GetItemText(id).Lower().StartsWith(prefix) ) + while ( itemid.IsOk() && !GetItemText(itemid).Lower().StartsWith(prefix) ) { - id = GetNext(id); + itemid = GetNext(itemid); } // if we haven't found anything... - if ( !id.IsOk() ) + if ( !itemid.IsOk() ) { // ... wrap to the beginning - id = GetRootItem(); + itemid = GetRootItem(); if ( HasFlag(wxTR_HIDE_ROOT) ) { // can't select virtual root - id = GetNext(id); + itemid = GetNext(itemid); } // and try all the items (stop when we get to the one we started from) - while ( id.IsOk() && id != idParent && - !GetItemText(id).Lower().StartsWith(prefix) ) + while ( itemid.IsOk() && itemid != idParent && + !GetItemText(itemid).Lower().StartsWith(prefix) ) { - id = GetNext(id); + itemid = GetNext(itemid); } // If we haven't found the item, id.IsOk() will be false, as per // documentation } - return id; + return itemid; } // ----------------------------------------------------------------------------- @@ -1495,7 +1650,7 @@ wxTreeItemId wxGenericTreeCtrl::AddRoot(const wxString& text, m_dirty = true; // do this first so stuff below doesn't cause flicker - m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, + m_anchor = new wxGenericTreeItem(NULL, text, image, selImage, data); if ( data != NULL ) { @@ -1605,6 +1760,16 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId) wxGenericTreeItem *parent = item->GetParent(); + // if the selected item will be deleted, select the parent ... + wxGenericTreeItem *to_be_selected = parent; + if (parent) + { + // .. unless there is a next sibling like wxMSW does it + int pos = parent->GetChildren().Index( item ); + if ((int)(parent->GetChildren().GetCount()) > pos+1) + to_be_selected = parent->GetChildren().Item( pos+1 ); + } + // don't keep stale pointers around! if ( IsDescendantOf(item, m_key_current) ) { @@ -1620,7 +1785,7 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId) // a different item, in idle time. if ( m_select_me && IsDescendantOf(item, m_select_me) ) { - m_select_me = parent; + m_select_me = to_be_selected; } if ( IsDescendantOf(item, m_current) ) @@ -1631,7 +1796,7 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId) // m_current = parent; m_current = NULL; - m_select_me = parent; + m_select_me = to_be_selected; } // remove the item from the tree @@ -1669,9 +1834,9 @@ void wxGenericTreeCtrl::Expand(const wxTreeItemId& itemId) { wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem; - wxCHECK_RET( item, _T("invalid item in wxGenericTreeCtrl::Expand") ); + wxCHECK_RET( item, wxT("invalid item in wxGenericTreeCtrl::Expand") ); wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT) || itemId != GetRootItem(), - _T("can't expand hidden root") ); + wxT("can't expand hidden root") ); if ( !item->HasPlus() ) return; @@ -1706,7 +1871,7 @@ void wxGenericTreeCtrl::Expand(const wxTreeItemId& itemId) void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId) { wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT) || itemId != GetRootItem(), - _T("can't collapse hidden root") ); + wxT("can't collapse hidden root") ); wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem; @@ -1768,6 +1933,20 @@ void wxGenericTreeCtrl::Unselect() } } +void wxGenericTreeCtrl::ClearFocusedItem() +{ + wxTreeItemId item = GetFocusedItem(); + if ( item.IsOk() ) + SelectItem(item, false); +} + +void wxGenericTreeCtrl::SetFocusedItem(const wxTreeItemId& item) +{ + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + + SelectItem(item, true); +} + void wxGenericTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item) { if (item->IsSelected()) @@ -1798,6 +1977,42 @@ void wxGenericTreeCtrl::UnselectAll() } } +void wxGenericTreeCtrl::SelectChildren(const wxTreeItemId& parent) +{ + wxCHECK_RET( HasFlag(wxTR_MULTIPLE), + "this only works with multiple selection controls" ); + + UnselectAll(); + + if ( !HasChildren(parent) ) + return; + + + wxArrayGenericTreeItems& + children = ((wxGenericTreeItem*) parent.m_pItem)->GetChildren(); + size_t count = children.GetCount(); + + wxGenericTreeItem * + item = (wxGenericTreeItem*) ((wxTreeItemId)children[0]).m_pItem; + wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item); + event.m_itemOld = m_current; + + if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() ) + return; + + for ( size_t n = 0; n < count; ++n ) + { + m_current = m_key_current = children[n]; + m_current->SetHilight(true); + RefreshSelected(); + } + + + event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED); + GetEventHandler()->ProcessEvent( event ); +} + + // Recursive function ! // To stop we must have crt_itemIsSelected() ) + DoSelectItem(itemId, !HasFlag(wxTR_MULTIPLE)); } else // deselect { - wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem; - wxCHECK_RET( item, wxT("SelectItem(): invalid tree item") ); - wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item); if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() ) return; @@ -2045,61 +2261,42 @@ void wxGenericTreeCtrl::EnsureVisible(const wxTreeItemId& item) void wxGenericTreeCtrl::ScrollTo(const wxTreeItemId &item) { - if (!item.IsOk()) return; + 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. + // update the control before scrolling it if (m_dirty) #if defined( __WXMSW__ ) || defined(__WXMAC__) Update(); #else DoDirtyProcessing(); #endif + wxGenericTreeItem *gitem = (wxGenericTreeItem*) item.m_pItem; - // now scroll to the item - int item_y = gitem->GetY(); + int itemY = gitem->GetY(); int start_x = 0; int start_y = 0; GetViewStart( &start_x, &start_y ); - start_y *= PIXELS_PER_UNIT; - int client_h = 0; - int client_w = 0; - GetClientSize( &client_w, &client_h ); + const int clientHeight = GetClientSize().y; + + const int itemHeight = GetLineHeight(gitem) + 2; - if (item_y < start_y+3) + if ( itemY + itemHeight > start_y*PIXELS_PER_UNIT + clientHeight ) { - // 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 ); + // need to scroll up by enough to show this item fully + itemY += itemHeight - clientHeight; } - else if (item_y+GetLineHeight(gitem) > start_y+client_h) + else if ( itemY > start_y*PIXELS_PER_UNIT ) { - // 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 ); + // item is already fully visible, don't do anything + return; } + //else: scroll down to make this item the top one displayed + + Scroll(-1, itemY/PIXELS_PER_UNIT); } // FIXME: tree sorting functions are not reentrant and not MT-safe! @@ -2194,6 +2391,10 @@ void wxGenericTreeCtrl::SetImageList(wxImageList *imageList) m_imageListNormal = imageList; m_ownsImageListNormal = false; m_dirty = true; + + if (m_anchor) + m_anchor->RecursiveResetSize(); + // Don't do any drawing if we're setting the list to NULL, // since we may be in the process of deleting the tree control. if (imageList) @@ -2206,6 +2407,10 @@ void wxGenericTreeCtrl::SetStateImageList(wxImageList *imageList) m_imageListState = imageList; m_ownsImageListState = false; m_dirty = true; + + if (m_anchor) + m_anchor->RecursiveResetSize(); + // Don't do any drawing if we're setting the list to NULL, // since we may be in the process of deleting the tree control. if (imageList) @@ -2218,6 +2423,10 @@ void wxGenericTreeCtrl::SetButtonsImageList(wxImageList *imageList) m_imageListButtons = imageList; m_ownsImageListButtons = false; m_dirty = true; + + if (m_anchor) + m_anchor->RecursiveResetSize(); + CalculateLineHeight(); } @@ -2261,14 +2470,10 @@ int wxGenericTreeCtrl::GetLineHeight(wxGenericTreeItem *item) const void wxGenericTreeCtrl::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); + item->SetFont(this, dc); + item->CalculateSize(this, dc); - wxCoord text_w = 0, text_h = 0; - dc.GetTextExtent( item->GetText(), &text_w, &text_h ); + wxCoord text_h = item->GetTextHeight(); int image_h = 0, image_w = 0; int image = item->GetCurrentImage(); @@ -2276,7 +2481,7 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) { if ( m_imageListNormal ) { - m_imageListNormal->GetSize( image, image_w, image_h ); + m_imageListNormal->GetSize(image, image_w, image_h); image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT; } else @@ -2291,8 +2496,8 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) { if ( m_imageListState ) { - m_imageListState->GetSize( state, state_w, state_h ); - if ( image != NO_IMAGE ) + m_imageListState->GetSize(state, state_w, state_h); + if ( image_w != 0 ) state_w += MARGIN_BETWEEN_STATE_AND_IMAGE; else state_w += MARGIN_BETWEEN_IMAGE_AND_TEXT; @@ -2304,7 +2509,8 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) } int total_h = GetLineHeight(item); - bool drawItemBackground = false; + bool drawItemBackground = false, + hasBgColour = false; if ( item->IsSelected() ) { @@ -2314,9 +2520,11 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) else { wxColour colBg; + wxTreeItemAttr * const attr = item->GetAttributes(); if ( attr && attr->HasBackgroundColour() ) { - drawItemBackground = true; + drawItemBackground = + hasBgColour = true; colBg = attr->GetBackgroundColour(); } else @@ -2334,9 +2542,6 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) x=0; GetVirtualSize(&w, &h); wxRect rect( x, item->GetY()+offset, w, total_h-offset); -#if !defined(__WXGTK20__) && !defined(__WXMAC__) - dc.DrawRectangle(rect); -#else if (!item->IsSelected()) { dc.DrawRectangle(rect); @@ -2356,9 +2561,8 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) wxRendererNative::Get(). DrawItemSelectionRect(this, dc, rect, flags); } -#endif } - else + else // no full row highlight { if ( item->IsSelected() && (state != wxTREE_ITEMSTATE_NONE || image != NO_IMAGE) ) @@ -2390,16 +2594,15 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) // except for custom item backgrounds, works for both kinds of theme. else if (drawItemBackground) { - wxRect rect( item->GetX()-2, item->GetY()+offset, - item->GetWidth()+2, total_h-offset ); -#if !defined(__WXGTK20__) && !defined(__WXMAC__) - dc.DrawRectangle( rect ); -#else - if ( attr && attr->HasBackgroundColour() ) + wxRect rect( item->GetX() + state_w + image_w - 2, + item->GetY() + offset, + item->GetWidth() - state_w - image_w + 2, + total_h - offset ); + if ( hasBgColour ) { dc.DrawRectangle( rect ); } - else + else // no specific background colour { rect.x -= 1; rect.width += 2; @@ -2412,7 +2615,6 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) wxRendererNative::Get(). DrawItemSelectionRect(this, dc, rect, flags); } -#endif } } @@ -2449,6 +2651,40 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc) // restore normal font dc.SetFont( m_normalFont ); + + if (item == m_dndEffectItem) + { + dc.SetPen( *wxBLACK_PEN ); + // DnD visual effects + switch (m_dndEffect) + { + case BorderEffect: + { + dc.SetBrush(*wxTRANSPARENT_BRUSH); + int w = item->GetWidth() + 2; + int h = total_h + 2; + dc.DrawRectangle( item->GetX() - 1, item->GetY() - 1, w, h); + break; + } + case AboveEffect: + { + int x = item->GetX(), + y = item->GetY(); + dc.DrawLine( x, y, x + item->GetWidth(), y); + break; + } + case BelowEffect: + { + int x = item->GetX(), + y = item->GetY(); + y += total_h - 1; + dc.DrawLine( x, y, x + item->GetWidth(), y); + break; + } + case NoEffect: + break; + } + } } void @@ -2523,7 +2759,10 @@ wxGenericTreeCtrl::PaintLevel(wxGenericTreeItem *item, #ifdef __WXMAC__ colText = *wxWHITE; #else - colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); + if (m_hasFocus) + colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); + else + colText = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXHIGHLIGHTTEXT); #endif } else @@ -2670,7 +2909,7 @@ void wxGenericTreeCtrl::DrawDropEffect(wxGenericTreeItem *item) DrawLine(item, !m_dropEffectAboveItem ); } - SetCursor(wxCURSOR_BULLSEYE); + SetCursor(*wxSTANDARD_CURSOR); } else { @@ -2685,15 +2924,20 @@ void wxGenericTreeCtrl::DrawBorder(const wxTreeItemId &item) wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem; - wxClientDC dc(this); - PrepareDC( dc ); - dc.SetLogicalFunction(wxINVERT); - dc.SetBrush(*wxTRANSPARENT_BRUSH); - - int w = i->GetWidth() + 2; - int h = GetLineHeight(i) + 2; + if (m_dndEffect == NoEffect) + { + m_dndEffect = BorderEffect; + m_dndEffectItem = i; + } + else + { + m_dndEffect = NoEffect; + m_dndEffectItem = NULL; + } - dc.DrawRectangle( i->GetX() - 1, i->GetY() - 1, w, h); + wxRect rect( i->GetX()-1, i->GetY()-1, i->GetWidth()+2, GetLineHeight(i)+2 ); + CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); + RefreshRect( rect ); } void wxGenericTreeCtrl::DrawLine(const wxTreeItemId &item, bool below) @@ -2702,81 +2946,23 @@ void wxGenericTreeCtrl::DrawLine(const wxTreeItemId &item, bool below) wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem; - wxClientDC dc(this); - PrepareDC( dc ); - dc.SetLogicalFunction(wxINVERT); - - int x = i->GetX(), - y = i->GetY(); - if ( below ) + if (m_dndEffect == NoEffect) { - y += GetLineHeight(i) - 1; + if (below) + m_dndEffect = BelowEffect; + else + m_dndEffect = AboveEffect; + m_dndEffectItem = i; } - - dc.DrawLine( x, y, x + i->GetWidth(), y); -} - -void wxGenericTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc ) -{ - wxCoord text_w = 0; - wxCoord text_h = 0; - - wxTreeItemAttr *attr = item->GetAttributes(); - if ( attr && attr->HasFont() ) - dc.SetFont(attr->GetFont()); - else if ( item->IsBold() ) - dc.SetFont(m_boldFont); else - dc.SetFont(m_normalFont); - - 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 += MARGIN_BETWEEN_IMAGE_AND_TEXT; - } + m_dndEffect = NoEffect; + m_dndEffectItem = NULL; } - int state_h = 0, state_w = 0; - int state = item->GetState(); - if ( state != wxTREE_ITEMSTATE_NONE ) - { - if ( m_imageListState ) - { - m_imageListState->GetSize( state, state_w, state_h ); - if ( image != NO_IMAGE ) - state_w += MARGIN_BETWEEN_STATE_AND_IMAGE; - else - state_w += MARGIN_BETWEEN_IMAGE_AND_TEXT; - } - else - { - state = wxTREE_ITEMSTATE_NONE; - } - } - - int total_h = (image_h > text_h) ? image_h : text_h; - - if (total_h < 30) - 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(state_w + image_w + text_w + 2); + wxRect rect( i->GetX()-1, i->GetY()-1, i->GetWidth()+2, GetLineHeight(i)+2 ); + CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); + RefreshRect( rect ); } // ----------------------------------------------------------------------------- @@ -2830,16 +3016,19 @@ void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent &event ) event.Skip(); } -void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) +void wxGenericTreeCtrl::OnKeyDown( wxKeyEvent &event ) { + // send a tree event wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, this); te.m_evtKey = event; if ( GetEventHandler()->ProcessEvent( te ) ) - { - // intercepted by the user code return; - } + event.Skip(); +} + +void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) +{ if ( (m_current == 0) || (m_key_current == 0) ) { event.Skip(); @@ -2873,6 +3062,21 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) // end : go to last item without opening parents // alnum : start or continue searching for the item with this prefix int keyCode = event.GetKeyCode(); + +#ifdef __WXOSX__ + // Make the keys work as they do in the native control: + // right => expand + // left => collapse if current item is expanded + if (keyCode == WXK_RIGHT) + { + keyCode = '+'; + } + else if (keyCode == WXK_LEFT && IsExpanded(m_current)) + { + keyCode = '-'; + } +#endif // __WXOSX__ + switch ( keyCode ) { case '+': @@ -3162,15 +3366,28 @@ bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId& item, if ( textOnly ) { - rect.x = i->GetX(); - rect.width = i->GetWidth(); + int image_h = 0, image_w = 0; + int image = ((wxGenericTreeItem*) item.m_pItem)->GetCurrentImage(); + if ( image != NO_IMAGE && m_imageListNormal ) + { + m_imageListNormal->GetSize( image, image_w, image_h ); + image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT; + } - if ( m_imageListNormal ) + int state_h = 0, state_w = 0; + int state = ((wxGenericTreeItem*) item.m_pItem)->GetState(); + if ( state != wxTREE_ITEMSTATE_NONE && m_imageListState ) { - int image_w, image_h; - m_imageListNormal->GetSize( 0, image_w, image_h ); - rect.width += image_w + MARGIN_BETWEEN_IMAGE_AND_TEXT; + m_imageListState->GetSize( state, state_w, state_h ); + if ( image_w != 0 ) + state_w += MARGIN_BETWEEN_STATE_AND_IMAGE; + else + state_w += MARGIN_BETWEEN_IMAGE_AND_TEXT; } + + rect.x = i->GetX() + state_w + image_w; + rect.width = i->GetWidth() - state_w - image_w; + } else // the entire line { @@ -3190,7 +3407,7 @@ bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId& item, wxTextCtrl *wxGenericTreeCtrl::EditLabel(const wxTreeItemId& item, wxClassInfo * WXUNUSED(textCtrlClass)) { - wxCHECK_MSG( item.IsOk(), NULL, _T("can't edit an invalid item") ); + wxCHECK_MSG( item.IsOk(), NULL, wxT("can't edit an invalid item") ); wxGenericTreeItem *itemEdit = (wxGenericTreeItem *)item.m_pItem; @@ -3230,7 +3447,7 @@ wxTextCtrl* wxGenericTreeCtrl::GetEditControl() const void wxGenericTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges) { - wxCHECK_RET( m_textCtrl, _T("not editing label") ); + wxCHECK_RET( m_textCtrl, wxT("not editing label") ); m_textCtrl->EndEdit(discardChanges); } @@ -3406,6 +3623,8 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event ) #if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXGTK20__) Update(); #else + // TODO: remove this call or use wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI) + // instead (needs to be tested!) wxYieldIfNeeded(); #endif } @@ -3421,7 +3640,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event ) { m_oldSelection->SetHilight(true); RefreshLine(m_oldSelection); - m_oldSelection = (wxGenericTreeItem *)NULL; + m_oldSelection = NULL; } // generate the drag end event @@ -3432,13 +3651,15 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event ) (void)GetEventHandler()->ProcessEvent(eventEndDrag); m_isDragging = false; - m_dropTarget = (wxGenericTreeItem *)NULL; + m_dropTarget = NULL; SetCursor(m_oldCursor); -#if defined( __WXMSW__ ) || defined(__WXMAC__) +#if defined( __WXMSW__ ) || defined(__WXMAC__) || defined(__WXGTK20__) Update(); #else + // TODO: remove this call or use wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI) + // instead (needs to be tested!) wxYieldIfNeeded(); #endif } @@ -3478,7 +3699,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event ) event.Skip(!GetEventHandler()->ProcessEvent(nevent)); // Consistent with MSW (for now), send the ITEM_MENU *after* - // the RIGHT_CLICK event. TODO: This behavior may change. + // the RIGHT_CLICK event. TODO: This behaviour may change. wxTreeEvent nevent2(wxEVT_COMMAND_TREE_ITEM_MENU, this, item); nevent2.m_pointDrag = CalcScrolledPosition(pt); GetEventHandler()->ProcessEvent(nevent2); @@ -3647,7 +3868,7 @@ wxGenericTreeCtrl::CalculateLevel(wxGenericTreeItem *item, goto Recurse; } - CalculateSize( item, dc ); + item->CalculateSize(this, dc); // set its position item->SetX( x+m_spacing ); @@ -3807,7 +4028,7 @@ wxGenericTreeCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) return wxListBox::GetClassDefaultAttributes(variant); #else wxVisualAttributes attr; - attr.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); + attr.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXTEXT); attr.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX); attr.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); return attr;