X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/374a8e5c7f5b472e7711ce4ed79693ead33aae46..ca7353de3ac75143c8af50e358dc8b680db17d88:/src/generic/treectlg.cpp?ds=sidebyside diff --git a/src/generic/treectlg.cpp b/src/generic/treectlg.cpp index 35f2d96708..054b388fcc 100644 --- a/src/generic/treectlg.cpp +++ b/src/generic/treectlg.cpp @@ -120,36 +120,32 @@ public: private: wxGenericTreeCtrl *m_owner; + + DECLARE_NO_COPY_CLASS(wxTreeRenameTimer) }; // control used for in-place edit class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl { public: - wxTreeTextCtrl( wxWindow *parent, - const wxWindowID id, - bool *accept, - wxString *res, - wxGenericTreeCtrl *owner, - const wxString &value = wxEmptyString, - const wxPoint &pos = wxDefaultPosition, - const wxSize &size = wxDefaultSize, - int style = wxSIMPLE_BORDER, - const wxValidator& validator = wxDefaultValidator, - const wxString &name = wxTextCtrlNameStr ); + wxTreeTextCtrl(wxGenericTreeCtrl *owner, wxGenericTreeItem *item); +protected: void OnChar( wxKeyEvent &event ); void OnKeyUp( wxKeyEvent &event ); void OnKillFocus( wxFocusEvent &event ); + bool AcceptChanges(); + void Finish(); + private: - bool *m_accept; - wxString *m_res; wxGenericTreeCtrl *m_owner; + wxGenericTreeItem *m_itemEdited; wxString m_startValue; bool m_finished; DECLARE_EVENT_TABLE() + DECLARE_NO_COPY_CLASS(wxTreeTextCtrl) }; // timer used to clear wxGenericTreeCtrl::m_findPrefix if no key was pressed @@ -166,6 +162,8 @@ public: private: wxGenericTreeCtrl *m_owner; + + DECLARE_NO_COPY_CLASS(wxTreeFindTimer) }; // a tree item @@ -305,6 +303,8 @@ private: // children but has a [+] button int m_isBold :1; // render the label in bold font int m_ownsAttr :1; // delete attribute when done + + DECLARE_NO_COPY_CLASS(wxGenericTreeItem) }; // ============================================================================= @@ -329,6 +329,23 @@ static void EventFlagsToSelType(long style, unselect_others = !(extended_select || (ctrlDown && is_multiple)); } +// check if the given item is under another one +static bool IsDescendantOf(wxGenericTreeItem *parent, wxGenericTreeItem *item) +{ + while ( item ) + { + if ( item == parent ) + { + // item is a descendant of parent + return TRUE; + } + + item = item->GetParent(); + } + + return FALSE; +} + // ----------------------------------------------------------------------------- // wxTreeRenameTimer (internal) // ----------------------------------------------------------------------------- @@ -353,99 +370,134 @@ BEGIN_EVENT_TABLE(wxTreeTextCtrl,wxTextCtrl) EVT_KILL_FOCUS (wxTreeTextCtrl::OnKillFocus) END_EVENT_TABLE() -wxTreeTextCtrl::wxTreeTextCtrl( wxWindow *parent, - const wxWindowID id, - bool *accept, - wxString *res, - wxGenericTreeCtrl *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; +wxTreeTextCtrl::wxTreeTextCtrl(wxGenericTreeCtrl *owner, + wxGenericTreeItem *item) + : m_itemEdited(item), m_startValue(item->GetText()) +{ m_owner = owner; - (*m_accept) = FALSE; - (*m_res) = wxEmptyString; - m_startValue = value; m_finished = 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 += 4; + } + else + { + wxFAIL_MSG(_T("you must create an image list to use images!")); + } + } + + // FIXME: what are all these hardcoded 4, 8 and 11s really? + x += image_w; + w -= image_w + 4; + + (void)Create(m_owner, wxID_ANY, m_startValue, + wxPoint(x - 4, y - 4), wxSize(w + 11, h + 8)); } -void wxTreeTextCtrl::OnChar( wxKeyEvent &event ) +bool wxTreeTextCtrl::AcceptChanges() { - if (event.m_keyCode == WXK_RETURN) + const wxString value = GetValue(); + + if ( value == m_startValue ) { - (*m_accept) = TRUE; - (*m_res) = GetValue(); + // nothing changed, always accept + return TRUE; + } - if ((*m_res) != m_startValue) - m_owner->OnRenameAccept(); + if ( !m_owner->OnRenameAccept(m_itemEdited, value) ) + { + // vetoed by the user + return FALSE; + } - if (!wxPendingDelete.Member(this)) - wxPendingDelete.Append(this); + // accepted, do rename the item + m_owner->SetItemText(m_itemEdited, value); - m_finished = TRUE; - m_owner->SetFocus(); // This doesn't work. TODO. + return TRUE; +} - return; - } - if (event.m_keyCode == WXK_ESCAPE) +void wxTreeTextCtrl::Finish() +{ + if ( !m_finished ) { - (*m_accept) = FALSE; - (*m_res) = ""; + m_owner->ResetTextControl(); - if (!wxPendingDelete.Member(this)) - wxPendingDelete.Append(this); + wxPendingDelete.Append(this); m_finished = TRUE; + m_owner->SetFocus(); // This doesn't work. TODO. + } +} - return; +void wxTreeTextCtrl::OnChar( wxKeyEvent &event ) +{ + switch ( event.m_keyCode ) + { + case WXK_RETURN: + if ( !AcceptChanges() ) + { + // vetoed by the user, don't disappear + break; + } + //else: fall through + + case WXK_ESCAPE: + Finish(); + m_owner->OnRenameCancelled(m_itemEdited); + break; + + default: + event.Skip(); } - event.Skip(); } void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event ) { - if (m_finished) + if ( !m_finished ) { - event.Skip(); - return; + // auto-grow the textctrl: + wxSize parentSize = m_owner->GetSize(); + wxPoint myPos = GetPosition(); + wxSize mySize = GetSize(); + int sx, sy; + GetTextExtent(GetValue() + _T("M"), &sx, &sy); + if (myPos.x + sx > parentSize.x) + sx = parentSize.x - myPos.x; + if (mySize.x > sx) + sx = mySize.x; + SetSize(sx, -1); } - // auto-grow the textctrl: - wxSize parentSize = m_owner->GetSize(); - wxPoint myPos = GetPosition(); - wxSize mySize = GetSize(); - int sx, sy; - GetTextExtent(GetValue() + _T("M"), &sx, &sy); - if (myPos.x + sx > parentSize.x) sx = parentSize.x - myPos.x; - if (mySize.x > sx) sx = mySize.x; - SetSize(sx, -1); - event.Skip(); } void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &event ) { - if (m_finished) + if ( m_finished ) { event.Skip(); return; } - if (!wxPendingDelete.Member(this)) - wxPendingDelete.Append(this); - - (*m_accept) = TRUE; - (*m_res) = GetValue(); - - if ((*m_res) != m_startValue) - m_owner->OnRenameAccept(); + if ( AcceptChanges() ) + { + Finish(); + } } // ----------------------------------------------------------------------------- @@ -712,6 +764,7 @@ void wxGenericTreeCtrl::Init() m_dragCount = 0; m_isDragging = FALSE; m_dropTarget = m_oldSelection = (wxGenericTreeItem *)NULL; + m_textCtrl = NULL; m_renameTimer = NULL; m_findTimer = NULL; @@ -719,11 +772,13 @@ void wxGenericTreeCtrl::Init() m_lastOnSame = FALSE; m_normalFont = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT ); - m_boldFont = wxFont( m_normalFont.GetPointSize(), - m_normalFont.GetFamily(), - m_normalFont.GetStyle(), - wxBOLD, - m_normalFont.GetUnderlined()); + m_boldFont = wxFont(m_normalFont.GetPointSize(), + m_normalFont.GetFamily(), + m_normalFont.GetStyle(), + wxBOLD, + m_normalFont.GetUnderlined(), + m_normalFont.GetFaceName(), + m_normalFont.GetEncoding()); } bool wxGenericTreeCtrl::Create(wxWindow *parent, @@ -876,6 +931,30 @@ wxTreeItemData *wxGenericTreeCtrl::GetItemData(const wxTreeItemId& item) const return ((wxGenericTreeItem*) item.m_pItem)->GetData(); } +wxColour wxGenericTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const +{ + wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); + + wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem; + return pItem->Attr().GetTextColour(); +} + +wxColour wxGenericTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const +{ + wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); + + wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem; + return pItem->Attr().GetBackgroundColour(); +} + +wxFont wxGenericTreeCtrl::GetItemFont(const wxTreeItemId& item) const +{ + wxCHECK_MSG( item.IsOk(), wxNullFont, wxT("invalid tree item") ); + + wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem; + return pItem->Attr().GetFont(); +} + void wxGenericTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) { wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); @@ -964,11 +1043,13 @@ bool wxGenericTreeCtrl::SetFont( const wxFont &font ) wxScrolledWindow::SetFont(font); m_normalFont = font ; - m_boldFont = wxFont( m_normalFont.GetPointSize(), - m_normalFont.GetFamily(), - m_normalFont.GetStyle(), - wxBOLD, - m_normalFont.GetUnderlined()); + m_boldFont = wxFont(m_normalFont.GetPointSize(), + m_normalFont.GetFamily(), + m_normalFont.GetStyle(), + wxBOLD, + m_normalFont.GetUnderlined(), + m_normalFont.GetFaceName(), + m_normalFont.GetEncoding()); return TRUE; } @@ -1047,7 +1128,7 @@ bool wxGenericTreeCtrl::IsBold(const wxTreeItemId& item) const // navigation // ----------------------------------------------------------------------------- -wxTreeItemId wxGenericTreeCtrl::GetParent(const wxTreeItemId& item) const +wxTreeItemId wxGenericTreeCtrl::GetItemParent(const wxTreeItemId& item) const { wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); @@ -1147,7 +1228,7 @@ wxTreeItemId wxGenericTreeCtrl::GetNext(const wxTreeItemId& item) const do { toFind = GetNextSibling(p); - p = GetParent(p); + p = GetItemParent(p); } while (p.IsOk() && !toFind.IsOk()); return toFind; } @@ -1194,6 +1275,12 @@ wxTreeItemId wxGenericTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const return wxTreeItemId(); } +// called by wxTextTreeCtrl when it marks itself for deletion +void wxGenericTreeCtrl::ResetTextControl() +{ + m_textCtrl = NULL; +} + // find the first item starting with the given prefix after the given item wxTreeItemId wxGenericTreeCtrl::FindItem(const wxTreeItemId& idParent, const wxString& prefixOrig) const @@ -1391,33 +1478,31 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId) wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem; - // don't stay with invalid m_key_current or we will crash in - // the next call to OnChar() - bool changeKeyCurrent = FALSE; - wxGenericTreeItem *itemKey = m_key_current; - while ( itemKey ) + wxGenericTreeItem *parent = item->GetParent(); + + // don't keep stale pointers around! + if ( IsDescendantOf(item, m_key_current) ) { - if ( itemKey == item ) - { - // m_key_current is a descendant of the item being deleted - changeKeyCurrent = TRUE; - break; - } - itemKey = itemKey->GetParent(); + m_key_current = parent; } - wxGenericTreeItem *parent = item->GetParent(); + if ( IsDescendantOf(item, m_current) ) + { + m_current = parent; + } + + // remove the item from the tree if ( parent ) { parent->GetChildren().Remove( item ); // remove by value } - - if ( changeKeyCurrent ) + else // deleting the root { - // may be NULL or not - m_key_current = parent; + // nothing will be left in the tree + m_anchor = NULL; } + // and delete all of its children and the item itself now item->DeleteChildren(this); SendDeleteEvent(item); delete item; @@ -1427,12 +1512,7 @@ void wxGenericTreeCtrl::DeleteAllItems() { if ( m_anchor ) { - m_dirty = TRUE; - - m_anchor->DeleteChildren(this); - delete m_anchor; - - m_anchor = NULL; + Delete(m_anchor); } } @@ -1471,17 +1551,20 @@ void wxGenericTreeCtrl::Expand(const wxTreeItemId& itemId) void wxGenericTreeCtrl::ExpandAll(const wxTreeItemId& item) { - Expand(item); - if ( IsExpanded(item) ) + if ( !HasFlag(wxTR_HIDE_ROOT) || item != GetRootItem()) { - long cookie; - wxTreeItemId child = GetFirstChild(item, cookie); - while ( child.IsOk() ) - { - ExpandAll(child); + Expand(item); + if ( !IsExpanded(item) ) + return; + } - child = GetNextChild(item, cookie); - } + long cookie; + wxTreeItemId child = GetFirstChild(item, cookie); + while ( child.IsOk() ) + { + ExpandAll(child); + + child = GetNextChild(item, cookie); } } @@ -1545,6 +1628,8 @@ void wxGenericTreeCtrl::Unselect() { m_current->SetHilight( FALSE ); RefreshLine( m_current ); + + m_current = NULL; } } @@ -1688,13 +1773,13 @@ void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId, if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() ) return; - wxTreeItemId parent = GetParent( itemId ); + wxTreeItemId parent = GetItemParent( itemId ); while (parent.IsOk()) { if (!IsExpanded(parent)) Expand( parent ); - parent = GetParent( parent ); + parent = GetItemParent( parent ); } EnsureVisible( itemId ); @@ -2444,7 +2529,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) // home : go to root // end : go to last item without opening parents // alnum : start or continue searching for the item with this prefix - int keyCode = event.KeyCode(); + int keyCode = event.GetKeyCode(); switch ( keyCode ) { case '+': @@ -2475,12 +2560,20 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) case ' ': case WXK_RETURN: + if ( !event.HasModifiers() ) { wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() ); event.m_item = (long) m_current; event.SetEventObject( this ); GetEventHandler()->ProcessEvent( event ); } + + // in any case, also generate the normal key event for this key, + // even if we generated the ACTIVATED event above: this is what + // wxMSW does and it makes sense because you might not want to + // process ACTIVATED event at all and handle Space and Return + // directly (and differently) which would be impossible otherwise + event.Skip(); break; // up goes to the previous sibling or to the last @@ -2490,7 +2583,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) wxTreeItemId prev = GetPrevSibling( m_key_current ); if (!prev) { - prev = GetParent( m_key_current ); + prev = GetItemParent( m_key_current ); if ((prev == GetRootItem()) && HasFlag(wxTR_HIDE_ROOT)) { break; // don't go to root if it is hidden @@ -2529,7 +2622,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) // left arrow goes to the parent case WXK_LEFT: { - wxTreeItemId prev = GetParent( m_current ); + wxTreeItemId prev = GetItemParent( m_current ); if ((prev == GetRootItem()) && HasFlag(wxTR_HIDE_ROOT)) { // don't go to root if it is hidden @@ -2565,7 +2658,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) wxTreeItemId current = m_key_current; while (current && !next) { - current = GetParent( current ); + current = GetItemParent( current ); if (current) next = GetNextSibling( current ); } } @@ -2624,14 +2717,14 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event ) default: // do not use wxIsalnum() here - if ( !event.HasModifiers() && + if ( !event.HasModifiers() && ((keyCode >= '0' && keyCode <= '9') || (keyCode >= 'a' && keyCode <= 'z') || (keyCode >= 'A' && keyCode <= 'Z' ))) { // find the next item starting with the given prefix char ch = (char)keyCode; - + wxTreeItemId id = FindItem(m_current, m_findPrefix + (wxChar)ch); if ( !id.IsOk() ) { @@ -2692,8 +2785,8 @@ wxTreeItemId wxGenericTreeCtrl::HitTest(const wxPoint& point, int& flags) // get the bounding rectangle of the item (or of its label only) bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId& item, - wxRect& rect, - bool WXUNUSED(textOnly)) const + wxRect& rect, + bool WXUNUSED(textOnly)) const { wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid item in wxGenericTreeCtrl::GetBoundingRect") ); @@ -2711,78 +2804,70 @@ bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId& item, return TRUE; } -/* **** */ - void wxGenericTreeCtrl::Edit( const wxTreeItemId& item ) { - if (!item.IsOk()) return; + wxCHECK_RET( item.IsOk(), _T("can't edit an invalid item") ); - m_currentEdit = (wxGenericTreeItem*) item.m_pItem; + wxGenericTreeItem *itemEdit = (wxGenericTreeItem *)item.m_pItem; wxTreeEvent te( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, GetId() ); - te.m_item = (long) m_currentEdit; + te.m_item = (long) itemEdit; te.SetEventObject( this ); - GetEventHandler()->ProcessEvent( te ); - - if (!te.IsAllowed()) return; + if ( GetEventHandler()->ProcessEvent( te ) && !te.IsAllowed() ) + { + // vetoed by user + 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) wxYieldIfNeeded(); + if ( m_dirty ) + wxYieldIfNeeded(); - wxString s = m_currentEdit->GetText(); - int w = m_currentEdit->GetWidth(); - int h = m_currentEdit->GetHeight(); - int x, y; - CalcScrolledPosition(m_currentEdit->GetX(), m_currentEdit->GetY(), &x, &y); + m_textCtrl = new wxTreeTextCtrl(this, itemEdit); - 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 + m_textCtrl->SetFocus(); +} - wxTreeTextCtrl *text = new wxTreeTextCtrl(this, -1, - &m_renameAccept, - &m_renameRes, - this, - s, - wxPoint(x-4,y-4), - wxSize(w+11,h+8)); - text->SetFocus(); +// returns a pointer to the text edit control if the item is being +// edited, NULL otherwise (it's assumed that no more than one item may +// be edited simultaneously) +wxTextCtrl* wxGenericTreeCtrl::GetEditControl() const +{ + return m_textCtrl; } -void wxGenericTreeCtrl::OnRenameTimer() +bool wxGenericTreeCtrl::OnRenameAccept(wxGenericTreeItem *item, + const wxString& value) { - Edit( m_current ); + wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() ); + le.m_item = (long) item; + le.SetEventObject( this ); + le.m_label = value; + le.m_editCancelled = FALSE; + + return !GetEventHandler()->ProcessEvent( le ) || le.IsAllowed(); } -void wxGenericTreeCtrl::OnRenameAccept() +void wxGenericTreeCtrl::OnRenameCancelled(wxGenericTreeItem *item) { - // TODO if the validator fails this causes a crash + // let owner know that the edit was cancelled wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() ); - le.m_item = (long) m_currentEdit; + le.m_item = (long) item; le.SetEventObject( this ); - le.m_label = m_renameRes; + le.m_label = wxEmptyString; + le.m_editCancelled = FALSE; + GetEventHandler()->ProcessEvent( le ); +} + - if (!le.IsAllowed()) return; - SetItemText( m_currentEdit, m_renameRes ); + +void wxGenericTreeCtrl::OnRenameTimer() +{ + Edit( m_current ); } void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )