261 lines
7.9 KiB
C++
261 lines
7.9 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014 Henner Zeller <h.zeller@acm.org>
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* Copyright (C) 2014-2023 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef LIB_TREE_H
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#define LIB_TREE_H
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#include <wx/panel.h>
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#include <wx/timer.h>
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#include <lib_tree_model_adapter.h>
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#include <widgets/html_window.h>
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#include <widgets/wx_dataviewctrl.h>
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class wxTextCtrl;
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class wxHtmlLinkEvent;
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class wxSearchCtrl;
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class wxTimer;
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class wxTimerEvent;
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class wxPopupWindow;
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class STD_BITMAP_BUTTON;
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class ACTION_MENU;
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class LIB_ID;
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class LIB_TABLE;
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/**
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* Widget displaying a tree of symbols with optional search text control and description panel.
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*/
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class LIB_TREE : public wxPanel
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{
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public:
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///< Flags to select extra widgets and options
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enum FLAGS
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{
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NONE = 0x00,
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SEARCH = 0x01,
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DETAILS = 0x02,
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ALL_WIDGETS = 0x0F,
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MULTISELECT = 0x10
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};
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/**
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* Construct a symbol tree.
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*
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* @param aParent parent window containing this tree widget
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* @param aRecentSearchesKey a key into a global map storing recent searches (usually "power",
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* "symbols", or "footprints", but could be further differentiated)
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* @param aLibTable table containing libraries and items to display
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* @param aAdapter a LIB_TREE_MODEL_ADAPTER instance to use
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* @param aFlags selection of sub-widgets to include and other options
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* @param aDetails if not null, a custom HTML_WINDOW to hold symbol details. If null this
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* will be created inside the LIB_TREE.
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*/
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LIB_TREE( wxWindow* aParent, const wxString& aRecentSearchesKey, LIB_TABLE* aLibTable,
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wxObjectDataPtr<LIB_TREE_MODEL_ADAPTER>& aAdapter, int aFlags = ALL_WIDGETS,
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HTML_WINDOW* aDetails = nullptr );
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~LIB_TREE() override;
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/**
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* For multi-unit symbols, if the user selects the symbol itself
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* rather than picking an individual unit, 0 will be returned in aUnit.
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* Beware that this is an invalid unit number - this should be replaced
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* with whatever default is desired (usually 1).
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*
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* @param aUnit if not NULL, the selected unit is filled in here.
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* @return the library id of the symbol that has been selected.
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*/
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LIB_ID GetSelectedLibId( int* aUnit = nullptr ) const;
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int GetSelectionCount() const
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{
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return m_tree_ctrl->GetSelectedItemsCount();
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}
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/**
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* Retrieves a list of selections for trees that allow multi-selection
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* @see GetSelectedLibId for details on how aUnit will be filled.
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* @param aSelection will be filled with a list of selected LIB_IDs
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* @param aUnit is an optional pointer to a list to fill with unit numbers
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* @return the number of selected items
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*/
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int GetSelectedLibIds( std::vector<LIB_ID>& aSelection,
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std::vector<int>* aUnit = nullptr ) const;
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LIB_TREE_NODE* GetCurrentTreeNode() const;
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/**
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* Select an item in the tree widget.
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*/
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void SelectLibId( const LIB_ID& aLibId );
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/**
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* Ensure that an item is visible (preferably centered).
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*/
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void CenterLibId( const LIB_ID& aLibId );
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/**
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* Unselect currently selected item in wxDataViewCtrl
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*/
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void Unselect();
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/**
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* Expand and item i the tree widget.
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*/
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void ExpandLibId( const LIB_ID& aLibId );
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/**
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* Save/restore search string.
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*/
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void SetSearchString( const wxString& aSearchString );
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wxString GetSearchString() const;
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/**
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* Save/restore the sorting mode.
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*/
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void SetSortMode( LIB_TREE_MODEL_ADAPTER::SORT_MODE aMode ) { m_adapter->SetSortMode( aMode ); }
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LIB_TREE_MODEL_ADAPTER::SORT_MODE GetSortMode() const { return m_adapter->GetSortMode(); }
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/**
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* Regenerate the tree.
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*/
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void Regenerate( bool aKeepState );
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/**
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* Refreshes the tree (mainly to update highlighting and asterisking)
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*/
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void RefreshLibTree();
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wxWindow* GetFocusTarget();
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/**
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* Focus the search widget if it exists
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*/
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void FocusSearchFieldIfExists();
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void ShowChangedLanguage();
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protected:
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/**
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* Expand or collapse a node, switching it to the opposite state.
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*/
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void toggleExpand( const wxDataViewItem& aTreeId );
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/**
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* If a wxDataViewitem is valid, select it and post a selection event.
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*/
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void selectIfValid( const wxDataViewItem& aTreeId );
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void centerIfValid( const wxDataViewItem& aTreeId );
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void expandIfValid( const wxDataViewItem& aTreeId );
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/**
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* Post a wxEVT_DATAVIEW_SELECTION_CHANGED to notify the selection handler
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* that a new part has been preselected.
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*/
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void postPreselectEvent();
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/**
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* Post SYMBOL_SELECTED event to notify the selection handler that a part has been selected.
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*/
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void postSelectEvent();
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/**
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* Structure storing state of the symbol tree widget.
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*/
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struct STATE
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{
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///< List of expanded nodes
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std::vector<wxDataViewItem> expanded;
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std::vector<wxString> pinned;
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///< Current selection, might be not valid if nothing was selected
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LIB_ID selection;
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};
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/**
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* Return the symbol tree widget state.
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*/
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STATE getState() const;
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/**
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* Restore the symbol tree widget state from an object.
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*/
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void setState( const STATE& aState );
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void updateRecentSearchMenu();
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void showPreview( wxDataViewItem aItem );
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void hidePreview();
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void onQueryText( wxCommandEvent& aEvent );
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void onQueryCharHook( wxKeyEvent& aEvent );
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void onQueryMouseMoved( wxMouseEvent& aEvent );
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void onTreeSelect( wxDataViewEvent& aEvent );
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void onTreeActivate( wxDataViewEvent& aEvent );
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void onTreeCharHook( wxKeyEvent& aEvent );
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void onIdle( wxIdleEvent& aEvent );
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void onHoverTimer( wxTimerEvent& aEvent );
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void onDetailsLink( wxHtmlLinkEvent& aEvent );
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void onPreselect( wxCommandEvent& aEvent );
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void onItemContextMenu( wxDataViewEvent& aEvent );
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void onHeaderContextMenu( wxDataViewEvent& aEvent );
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void onDebounceTimer( wxTimerEvent& aEvent );
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protected:
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wxObjectDataPtr<LIB_TREE_MODEL_ADAPTER> m_adapter;
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wxSearchCtrl* m_query_ctrl;
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STD_BITMAP_BUTTON* m_sort_ctrl;
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WX_DATAVIEWCTRL* m_tree_ctrl;
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HTML_WINDOW* m_details_ctrl;
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wxTimer* m_debounceTimer;
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bool m_inTimerEvent;
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wxString m_recentSearchesKey;
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bool m_skipNextRightClick;
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wxPoint m_hoverPos;
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wxDataViewItem m_hoverItem;
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wxRect m_hoverItemRect;
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wxTimer m_hoverTimer;
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wxDataViewItem m_previewItem;
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wxRect m_previewItemRect;
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wxPopupWindow* m_previewWindow;
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bool m_previewDisabled;
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};
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///< Custom event sent when an item is selected in the list
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wxDECLARE_EVENT( EVT_LIBITEM_SELECTED, wxCommandEvent );
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///< Custom event sent when an item is chosen (double-clicked)
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wxDECLARE_EVENT( EVT_LIBITEM_CHOSEN, wxCommandEvent );
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#endif /* LIB_TREE_H */
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