X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0661ec3993d101d0fb02bac605c979e609fdd04e..af01f1ba0d697c07173f436ab661b4c833258a91:/include/wx/msw/listctrl.h?ds=sidebyside diff --git a/include/wx/msw/listctrl.h b/include/wx/msw/listctrl.h index ef0a992d06..14140398c3 100644 --- a/include/wx/msw/listctrl.h +++ b/include/wx/msw/listctrl.h @@ -1,24 +1,29 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: listctrl.h +// Name: wx/msw/listctrl.h // Purpose: wxListCtrl class // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_LISTCTRL_H_ #define _WX_LISTCTRL_H_ #ifdef __GNUG__ -#pragma interface "listctrl.h" + #pragma interface "listctrl.h" #endif +#if wxUSE_LISTCTRL + #include "wx/control.h" #include "wx/event.h" -#include "wx/imaglist.h" +#include "wx/hash.h" + +class WXDLLEXPORT wxTextCtrl; +class WXDLLEXPORT wxImageList; /* The wxListCtrl can show lists of items in four different modes: @@ -74,363 +79,318 @@ */ -// Mask flags to tell app/GUI what fields of wxListItem are valid -#define wxLIST_MASK_STATE 0x0001 -#define wxLIST_MASK_TEXT 0x0002 -#define wxLIST_MASK_IMAGE 0x0004 -#define wxLIST_MASK_DATA 0x0008 -#define wxLIST_SET_ITEM 0x0010 -#define wxLIST_MASK_WIDTH 0x0020 -#define wxLIST_MASK_FORMAT 0x0040 - -// State flags for indicating the state of an item -#define wxLIST_STATE_DONTCARE 0x0000 -#define wxLIST_STATE_DROPHILITED 0x0001 -#define wxLIST_STATE_FOCUSED 0x0002 -#define wxLIST_STATE_SELECTED 0x0004 -#define wxLIST_STATE_CUT 0x0008 - -// Hit test flags, used in HitTest -#define wxLIST_HITTEST_ABOVE 0x0001 // Above the client area. -#define wxLIST_HITTEST_BELOW 0x0002 // Below the client area. -#define wxLIST_HITTEST_NOWHERE 0x0004 // In the client area but below the last item. -#define wxLIST_HITTEST_ONITEMICON 0x0020 // On the bitmap associated with an item. -#define wxLIST_HITTEST_ONITEMLABEL 0x0080 // On the label (string) associated with an item. -#define wxLIST_HITTEST_ONITEMRIGHT 0x0100 // In the area to the right of an item. -#define wxLIST_HITTEST_ONITEMSTATEICON 0x0200 // On the state icon for a tree view item that is in a user-defined state. -#define wxLIST_HITTEST_TOLEFT 0x0400 // To the left of the client area. -#define wxLIST_HITTEST_TORIGHT 0x0800 // To the right of the client area. - -#define wxLIST_HITTEST_ONITEM (wxLIST_HITTEST_ONITEMICON | wxLIST_HITTEST_ONITEMLABEL | wxLIST_HITTEST_ONITEMSTATEICON) - -// Flags for GetNextItem -enum { - wxLIST_NEXT_ABOVE, // Searches for an item above the specified item - wxLIST_NEXT_ALL, // Searches for subsequent item by index - wxLIST_NEXT_BELOW, // Searches for an item below the specified item - wxLIST_NEXT_LEFT, // Searches for an item to the left of the specified item - wxLIST_NEXT_RIGHT, // Searches for an item to the right of the specified item -}; +class WXDLLEXPORT wxListCtrl: public wxControl +{ +public: + /* + * Public interface + */ -// Alignment flags for Arrange -enum { - wxLIST_ALIGN_DEFAULT, - wxLIST_ALIGN_LEFT, - wxLIST_ALIGN_TOP, - wxLIST_ALIGN_SNAP_TO_GRID -}; + wxListCtrl() { Init(); } -// Column format -enum { - wxLIST_FORMAT_LEFT, - wxLIST_FORMAT_RIGHT, - wxLIST_FORMAT_CENTRE, - wxLIST_FORMAT_CENTER = wxLIST_FORMAT_CENTRE -}; + wxListCtrl(wxWindow *parent, + wxWindowID id = -1, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxLC_ICON, + const wxValidator& validator = wxDefaultValidator, + const wxString& name = _T("wxListCtrl")) + { + Init(); -// Autosize values for SetColumnWidth -enum { - wxLIST_AUTOSIZE = -1, - wxLIST_AUTOSIZE_USEHEADER = -2 -}; + Create(parent, id, pos, size, style, validator, name); + } -// Flag values for GetItemRect -enum { - wxLIST_RECT_BOUNDS, - wxLIST_RECT_ICON, - wxLIST_RECT_LABEL -}; + virtual ~wxListCtrl(); -// Flag values for FindItem -enum { - wxLIST_FIND_UP, - wxLIST_FIND_DOWN, - wxLIST_FIND_LEFT, - wxLIST_FIND_RIGHT -}; + bool Create(wxWindow *parent, + wxWindowID id = -1, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxLC_ICON, + const wxValidator& validator = wxDefaultValidator, + const wxString& name = _T("wxListCtrl")); -// wxListItem: data representing an item, or report field. -// It also doubles up to represent entire column information -// when inserting or setting a column. -class WXDLLEXPORT wxListItem: public wxObject -{ - DECLARE_DYNAMIC_CLASS(wxListItem) -public: - long m_mask; // Indicates what fields are valid - long m_itemId; // The zero-based item position - int m_col; // Zero-based column, if in report mode - long m_state; // The state of the item - long m_stateMask; // Which flags of m_state are valid (uses same flags) - wxString m_text; // The label/header text - int m_image; // The zero-based index into an image list - long m_data; // App-defined data - - // For columns only - int m_format; // left, right, centre - int m_width; // width of column - - wxListItem(); -}; -// type of compare function for wxListCtrl sort operation -typedef int (wxCALLBACK *wxListCtrlCompare)(long item1, long item2, long sortData); + // Attributes + //////////////////////////////////////////////////////////////////////////// -class WXDLLEXPORT wxListCtrl: public wxControl -{ - DECLARE_DYNAMIC_CLASS(wxListCtrl) - public: - /* - * Public interface - */ + // Set the control colours + bool SetForegroundColour(const wxColour& col); + bool SetBackgroundColour(const wxColour& col); - wxListCtrl(); + // Gets information about this column + bool GetColumn(int col, wxListItem& item) const; - inline wxListCtrl(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, - long style = wxLC_ICON, const wxValidator& validator = wxDefaultValidator, - const wxString& name = "listCtrl") - { - Create(parent, id, pos, size, style, validator, name); - } - ~wxListCtrl(); + // Sets information about this column + bool SetColumn(int col, wxListItem& item) ; - bool Create(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, - long style = wxLC_ICON, const wxValidator& validator = wxDefaultValidator, const wxString& name = "wxListCtrl"); + // Gets the column width + int GetColumnWidth(int col) const; + // Sets the column width + bool SetColumnWidth(int col, int width) ; - // Attributes - //////////////////////////////////////////////////////////////////////////// + // Gets the number of items that can fit vertically in the + // visible area of the list control (list or report view) + // or the total number of items in the list control (icon + // or small icon view) + int GetCountPerPage() const; - // Sets the background colour (GetBackgroundColour already implicit in - // wxWindow class) - bool SetBackgroundColour(const wxColour& col); + // Gets the edit control for editing labels. + wxTextCtrl* GetEditControl() const; - // Gets information about this column - bool GetColumn(int col, wxListItem& item) const; + // Gets information about the item + bool GetItem(wxListItem& info) const ; - // Sets information about this column - bool SetColumn(int col, wxListItem& item) ; + // Sets information about the item + bool SetItem(wxListItem& info) ; - // Gets the column width - int GetColumnWidth(int col) const; + // Sets a string field at a particular column + long SetItem(long index, int col, const wxString& label, int imageId = -1); - // Sets the column width - bool SetColumnWidth(int col, int width) ; + // Gets the item state + int GetItemState(long item, long stateMask) const ; - // Gets the number of items that can fit vertically in the - // visible area of the list control (list or report view) - // or the total number of items in the list control (icon - // or small icon view) - int GetCountPerPage() const; + // Sets the item state + bool SetItemState(long item, long state, long stateMask) ; - // Gets the edit control for editing labels. - wxTextCtrl* GetEditControl() const; + // Sets the item image + bool SetItemImage(long item, int image, int selImage) ; - // Gets information about the item - bool GetItem(wxListItem& info) const ; + // Gets the item text + wxString GetItemText(long item) const ; - // Sets information about the item - bool SetItem(wxListItem& info) ; + // Sets the item text + void SetItemText(long item, const wxString& str) ; - // Sets a string field at a particular column - long SetItem(long index, int col, const wxString& label, int imageId = -1); + // Gets the item data + long GetItemData(long item) const ; - // Gets the item state - int GetItemState(long item, long stateMask) const ; + // Sets the item data + bool SetItemData(long item, long data) ; - // Sets the item state - bool SetItemState(long item, long state, long stateMask) ; + // Gets the item rectangle + bool GetItemRect(long item, wxRect& rect, int code = wxLIST_RECT_BOUNDS) const ; - // Sets the item image - bool SetItemImage(long item, int image, int selImage) ; + // Gets the item position + bool GetItemPosition(long item, wxPoint& pos) const ; - // Gets the item text - wxString GetItemText(long item) const ; + // Sets the item position + bool SetItemPosition(long item, const wxPoint& pos) ; - // Sets the item text - void SetItemText(long item, const wxString& str) ; + // Gets the number of items in the list control + int GetItemCount() const; - // Gets the item data - long GetItemData(long item) const ; + // Gets the number of columns in the list control + int GetColumnCount() const { return m_colCount; } - // Sets the item data - bool SetItemData(long item, long data) ; + // Retrieves the spacing between icons in pixels. + // If small is TRUE, gets the spacing for the small icon + // view, otherwise the large icon view. + int GetItemSpacing(bool isSmall) const; - // Gets the item rectangle - bool GetItemRect(long item, wxRect& rect, int code = wxLIST_RECT_BOUNDS) const ; + // Gets the number of selected items in the list control + int GetSelectedItemCount() const; - // Gets the item position - bool GetItemPosition(long item, wxPoint& pos) const ; + // Gets the text colour of the listview + wxColour GetTextColour() const; - // Sets the item position - bool SetItemPosition(long item, const wxPoint& pos) ; + // Sets the text colour of the listview + void SetTextColour(const wxColour& col); - // Gets the number of items in the list control - int GetItemCount() const; + // Gets the index of the topmost visible item when in + // list or report view + long GetTopItem() const ; - // Gets the number of columns in the list control - int GetColumnCount() const { return m_colCount; } + // Add or remove a single window style + void SetSingleStyle(long style, bool add = TRUE) ; - // Retrieves the spacing between icons in pixels. - // If small is TRUE, gets the spacing for the small icon - // view, otherwise the large icon view. - int GetItemSpacing(bool isSmall) const; + // Set the whole window style + void SetWindowStyleFlag(long style) ; - // Gets the number of selected items in the list control - int GetSelectedItemCount() const; + // Searches for an item, starting from 'item'. + // item can be -1 to find the first item that matches the + // specified flags. + // Returns the item or -1 if unsuccessful. + long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL, int state = wxLIST_STATE_DONTCARE) const ; - // Gets the text colour of the listview - wxColour GetTextColour() const; + // Gets one of the three image lists + wxImageList *GetImageList(int which) const ; - // Sets the text colour of the listview - void SetTextColour(const wxColour& col); + // Sets the image list + // N.B. There's a quirk in the Win95 list view implementation. + // If in wxLC_LIST mode, it'll *still* display images by the labels if + // there's a small-icon image list set for the control - even though you + // haven't specified wxLIST_MASK_IMAGE when inserting. + // So you have to set a NULL small-icon image list to be sure that + // the wxLC_LIST mode works without icons. Of course, you may want icons... + void SetImageList(wxImageList *imageList, int which) ; + void AssignImageList(wxImageList *imageList, int which) ; - // Gets the index of the topmost visible item when in - // list or report view - long GetTopItem() const ; + // returns true if it is a virtual list control + bool IsVirtual() const { return (GetWindowStyle() & wxLC_VIRTUAL) != 0; } - // Add or remove a single window style - void SetSingleStyle(long style, bool add = TRUE) ; + // refresh items selectively (only useful for virtual list controls) + void RefreshItem(long item); + void RefreshItems(long itemFrom, long itemTo); - // Set the whole window style - void SetWindowStyleFlag(long style) ; + // Operations + //////////////////////////////////////////////////////////////////////////// - // Searches for an item, starting from 'item'. - // item can be -1 to find the first item that matches the - // specified flags. - // Returns the item or -1 if unsuccessful. - long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL, int state = wxLIST_STATE_DONTCARE) const ; + // Arranges the items + bool Arrange(int flag = wxLIST_ALIGN_DEFAULT); - // Implementation: converts wxWindows style to MSW style. - // Can be a single style flag or a bit list. - // oldStyle is 'normalised' so that it doesn't contain - // conflicting styles. - long ConvertToMSWStyle(long& oldStyle, long style) const; + // Deletes an item + bool DeleteItem(long item); - // Gets one of the three image lists - wxImageList *GetImageList(int which) const ; + // Deletes all items + bool DeleteAllItems() ; - // Sets the image list - // N.B. There's a quirk in the Win95 list view implementation. - // If in wxLC_LIST mode, it'll *still* display images by the labels if - // there's a small-icon image list set for the control - even though you - // haven't specified wxLIST_MASK_IMAGE when inserting. - // So you have to set a NULL small-icon image list to be sure that - // the wxLC_LIST mode works without icons. Of course, you may want icons... - void SetImageList(wxImageList *imageList, int which) ; + // Deletes a column + bool DeleteColumn(int col); - // Operations - //////////////////////////////////////////////////////////////////////////// + // Deletes all columns + bool DeleteAllColumns(); - // Arranges the items - bool Arrange(int flag = wxLIST_ALIGN_DEFAULT); + // Clears items, and columns if there are any. + void ClearAll(); - // Deletes an item - bool DeleteItem(long item); + // Edit the label + wxTextCtrl* EditLabel(long item, wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl)); - // Deletes all items - bool DeleteAllItems() ; + // End label editing, optionally cancelling the edit + bool EndEditLabel(bool cancel); - // Deletes a column - bool DeleteColumn(int col); + // Ensures this item is visible + bool EnsureVisible(long item) ; - // Deletes all columns - bool DeleteAllColumns(); + // Find an item whose label matches this string, starting from the item after 'start' + // or the beginning if 'start' is -1. + long FindItem(long start, const wxString& str, bool partial = FALSE); - // Clears items, and columns if there are any. - void ClearAll(); + // Find an item whose data matches this data, starting from the item after 'start' + // or the beginning if 'start' is -1. + long FindItem(long start, long data); - // Edit the label - wxTextCtrl* EditLabel(long item, wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl)); + // Find an item nearest this position in the specified direction, starting from + // the item after 'start' or the beginning if 'start' is -1. + long FindItem(long start, const wxPoint& pt, int direction); - // End label editing, optionally cancelling the edit - bool EndEditLabel(bool cancel); + // Determines which item (if any) is at the specified point, + // giving details in 'flags' (see wxLIST_HITTEST_... flags above) + long HitTest(const wxPoint& point, int& flags); - // Ensures this item is visible - bool EnsureVisible(long item) ; + // Inserts an item, returning the index of the new item if successful, + // -1 otherwise. + long InsertItem(wxListItem& info); - // Find an item whose label matches this string, starting from the item after 'start' - // or the beginning if 'start' is -1. - long FindItem(long start, const wxString& str, bool partial = FALSE); + // Insert a string item + long InsertItem(long index, const wxString& label); - // Find an item whose data matches this data, starting from the item after 'start' - // or the beginning if 'start' is -1. - long FindItem(long start, long data); + // Insert an image item + long InsertItem(long index, int imageIndex); - // Find an item nearest this position in the specified direction, starting from - // the item after 'start' or the beginning if 'start' is -1. - long FindItem(long start, const wxPoint& pt, int direction); + // Insert an image/string item + long InsertItem(long index, const wxString& label, int imageIndex); - // Determines which item (if any) is at the specified point, - // giving details in 'flags' (see wxLIST_HITTEST_... flags above) - long HitTest(const wxPoint& point, int& flags); + // For list view mode (only), inserts a column. + long InsertColumn(long col, wxListItem& info); - // Inserts an item, returning the index of the new item if successful, - // -1 otherwise. - // TOD: Should also have some further convenience functions - // which don't require setting a wxListItem object - long InsertItem(wxListItem& info); + long InsertColumn(long col, + const wxString& heading, + int format = wxLIST_FORMAT_LEFT, + int width = -1); - // Insert a string item - long InsertItem(long index, const wxString& label); + // set the number of items in a virtual list control + void SetItemCount(long count); - // Insert an image item - long InsertItem(long index, int imageIndex); + // Scrolls the list control. If in icon, small icon or report view mode, + // x specifies the number of pixels to scroll. If in list view mode, x + // specifies the number of columns to scroll. + // If in icon, small icon or list view mode, y specifies the number of pixels + // to scroll. If in report view mode, y specifies the number of lines to scroll. + bool ScrollList(int dx, int dy); - // Insert an image/string item - long InsertItem(long index, const wxString& label, int imageIndex); + // Sort items. - // For list view mode (only), inserts a column. - long InsertColumn(long col, wxListItem& info); + // fn is a function which takes 3 long arguments: item1, item2, data. + // item1 is the long data associated with a first item (NOT the index). + // item2 is the long data associated with a second item (NOT the index). + // data is the same value as passed to SortItems. + // The return value is a negative number if the first item should precede the second + // item, a positive number of the second item should precede the first, + // or zero if the two items are equivalent. - long InsertColumn(long col, const wxString& heading, int format = wxLIST_FORMAT_LEFT, - int width = -1); + // data is arbitrary data to be passed to the sort function. + bool SortItems(wxListCtrlCompare fn, long data); - // Scrolls the list control. If in icon, small icon or report view mode, - // x specifies the number of pixels to scroll. If in list view mode, x - // specifies the number of columns to scroll. - // If in icon, small icon or list view mode, y specifies the number of pixels - // to scroll. If in report view mode, y specifies the number of lines to scroll. - bool ScrollList(int dx, int dy); + // IMPLEMENTATION + virtual bool MSWCommand(WXUINT param, WXWORD id); + virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); - // Sort items. + // bring the control in sync with current m_windowStyle value + void UpdateStyle(); - // fn is a function which takes 3 long arguments: item1, item2, data. - // item1 is the long data associated with a first item (NOT the index). - // item2 is the long data associated with a second item (NOT the index). - // data is the same value as passed to SortItems. - // The return value is a negative number if the first item should precede the second - // item, a positive number of the second item should precede the first, - // or zero if the two items are equivalent. + // Implementation: converts wxWindows style to MSW style. + // Can be a single style flag or a bit list. + // oldStyle is 'normalised' so that it doesn't contain + // conflicting styles. + long ConvertToMSWStyle(long& oldStyle, long style) const; - // data is arbitrary data to be passed to the sort function. - bool SortItems(wxListCtrlCompare fn, long data); + // Event handlers + //////////////////////////////////////////////////////////////////////////// + // Necessary for drawing hrules and vrules, if specified + void OnPaint(wxPaintEvent& event); - // IMPLEMENTATION - virtual bool MSWCommand(WXUINT param, WXWORD id); - virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); +protected: + // common part of all ctors + void Init(); - // bring the control in sync with current m_windowStyle value - void UpdateStyle(); + // free memory taken by all attributes and recreate the hash table + void FreeAllAttrs(bool dontRecreate = FALSE); - // Add to pool: necessary because Windows needs to have a string - // still exist across 3 callbacks. - wxChar *AddPool(const wxString& str); + wxTextCtrl* m_textCtrl; // The control used for editing a label + wxImageList * m_imageListNormal; // The image list for normal icons + wxImageList * m_imageListSmall; // The image list for small icons + wxImageList * m_imageListState; // The image list state icons (not implemented yet) + bool m_ownsImageListNormal, + m_ownsImageListSmall, + m_ownsImageListState; -protected: - wxTextCtrl* m_textCtrl; // The control used for editing a label - wxImageList * m_imageListNormal; // The image list for normal icons - wxImageList * m_imageListSmall; // The image list for small icons - wxImageList * m_imageListState; // The image list state icons (not implemented yet) + long m_baseStyle; // Basic Windows style flags, for recreation purposes + int m_colCount; // Windows doesn't have GetColumnCount so must + // keep track of inserted/deleted columns + + // the hash table we use for storing pointers to the items attributes + wxHashTable m_attrs; + + // TRUE if we have any items with custom attributes + bool m_hasAnyAttr; - long m_baseStyle; // Basic Windows style flags, for recreation purposes - wxStringList m_stringPool; // Pool of 3 strings to satisfy Windows callback - // requirements - int m_colCount; // Windows doesn't have GetColumnCount so must - // keep track of inserted/deleted columns + // these functions are only used for virtual list view controls, i.e. the + // ones with wxLC_VIRTUAL style + + // return the text for the given column of the given item + virtual wxString OnGetItemText(long item, long column) const; + + // return the icon for the given item + virtual int OnGetItemImage(long item) const; + + // return the attribute for the item (may return NULL if none) + virtual wxListItemAttr *OnGetItemAttr(long item) const; private: - bool DoCreateControl(int x, int y, int w, int h); + bool DoCreateControl(int x, int y, int w, int h); + + // process NM_CUSTOMDRAW notification message + WXLPARAM OnCustomDraw(WXLPARAM lParam); + + DECLARE_DYNAMIC_CLASS(wxListCtrl) + DECLARE_EVENT_TABLE() }; +#endif // wxUSE_LISTCTRL + #endif // _WX_LISTCTRL_H_