X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ae3c17b4013e80b99976c750c19fca47729517f6..92c0fc34c104c8d7c12d6a3b78ea232690fc23f4:/interface/wx/menuitem.h diff --git a/interface/wx/menuitem.h b/interface/wx/menuitem.h index f9372b5b7c..af5a6d2943 100644 --- a/interface/wx/menuitem.h +++ b/interface/wx/menuitem.h @@ -1,21 +1,43 @@ ///////////////////////////////////////////////////////////////////////////// // Name: menuitem.h -// Purpose: interface of wxMenuItem +// Purpose: interface of wxMenu, wxMenuItem // Author: wxWidgets team -// RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** @class wxMenuItem - @wxheader{menuitem.h} - A menu item represents an item in a menu. Note that you usually don't have to - deal with it directly as wxMenu methods usually construct an - object of this class for you. + A menu item represents an item in a menu. + + Note that you usually don't have to deal with it directly as wxMenu methods + usually construct an object of this class for you. Also please note that the methods related to fonts and bitmaps are currently - only implemented for Windows and GTK+. + only implemented for Windows, Mac and GTK+. + + @beginEventEmissionTable{wxCommandEvent,wxMenuEvent} + @event{EVT_MENU(id, func)} + Process a @c wxEVT_MENU command, which is generated by a menu item. + This type of event is sent as wxCommandEvent. + @event{EVT_MENU_RANGE(id1, id2, func)} + Process a @c wxEVT_MENU command, which is generated by a range of menu items. + This type of event is sent as wxCommandEvent. + @event{EVT_MENU_OPEN(func)} + A menu is about to be opened. On Windows, this is only sent once for each + navigation of the menubar (up until all menus have closed). + This type of event is sent as wxMenuEvent. + @event{EVT_MENU_CLOSE(func)} + A menu has been just closed. + This type of event is sent as wxMenuEvent. + @event{EVT_MENU_HIGHLIGHT(id, func)} + The menu item with the specified id has been highlighted: used to show + help prompts in the status bar by wxFrame + This type of event is sent as wxMenuEvent. + @event{EVT_MENU_HIGHLIGHT_ALL(func)} + A menu item has been highlighted, i.e. the currently selected menu item has changed. + This type of event is sent as wxMenuEvent. + @endEventTable @library{wxcore} @category{menus} @@ -27,19 +49,40 @@ class wxMenuItem : public wxObject public: /** Constructs a wxMenuItem object. - Menu items can be standard, or "stock menu items", or custom. For the - standard menu items (such as commands to open a file, exit the program and so - on, see @ref page_stockitems "Stock Items" for the full list) it is enough - to specify just the stock ID and leave @a text and @a helpString empty. In - fact, leaving at least @a text empty for the stock menu items is strongly + + Menu items can be standard, or "stock menu items", or custom. + For the standard menu items (such as commands to open a file, exit the + program and so on, see @ref page_stockitems for the full list) it is enough + to specify just the stock ID and leave @a text and @a helpString empty. + Some platforms (currently wxGTK only, and see the remark in SetBitmap() + documentation) will also show standard bitmaps for stock menu items. + + Leaving at least @a text empty for the stock menu items is actually strongly recommended as they will have appearance and keyboard interface (including standard accelerators) familiar to the user. + For the custom (non-stock) menu items, @a text must be specified and while @a helpString may be left empty, it's recommended to pass the item - description (which is automatically shown by the library in the status bar when - the menu item is selected) in this parameter. + description (which is automatically shown by the library in the status bar + when the menu item is selected) in this parameter. + Finally note that you can e.g. use a stock menu label without using its stock - help string; that is, stock properties are set independently one from the other. + help string: + + @code + // use all stock properties: + helpMenu->Append(wxID_ABOUT); + + // use the stock label and the stock accelerator but not the stock help string: + helpMenu->Append(wxID_ABOUT, "", "My custom help string"); + + // use all stock properties except for the bitmap: + wxMenuItem *mymenu = new wxMenuItem(helpMenu, wxID_ABOUT); + mymenu->SetBitmap(wxArtProvider::GetBitmap(wxART_WARNING)); + helpMenu->Append(mymenu); + @endcode + + that is, stock properties are set independently one from the other. @param parentMenu Menu that the menu item belongs to. Can be @NULL if the item is @@ -49,58 +92,90 @@ public: case the given kind is ignored and taken to be @c wxITEM_SEPARATOR instead. @param text - Text for the menu item, as shown on the menu. An accelerator - key can be specified using the ampersand " character. In order to embed an - ampersand character in the menu item text, the ampersand must be doubled. + Text for the menu item, as shown on the menu. + See SetItemLabel() for more info. @param helpString Optional help string that will be shown on the status bar. @param kind - May be @c wxITEM_SEPARATOR, @c wxITEM_NORMAL, @c wxITEM_CHECK or @c - wxITEM_RADIO + May be @c wxITEM_SEPARATOR, @c wxITEM_NORMAL, @c wxITEM_CHECK or + @c wxITEM_RADIO. @param subMenu If non-@NULL, indicates that the menu item is a submenu. */ wxMenuItem(wxMenu* parentMenu = NULL, int id = wxID_SEPARATOR, - const wxString& text = "", - const wxString& helpString = "", + const wxString& text = wxEmptyString, + const wxString& helpString = wxEmptyString, wxItemKind kind = wxITEM_NORMAL, wxMenu* subMenu = NULL); /** Destructor. */ - ~wxMenuItem(); + virtual ~wxMenuItem(); /** Checks or unchecks the menu item. Note that this only works when the item is already appended to a menu. */ - void Check(bool check = true); + virtual void Check(bool check = true); /** Enables or disables the menu item. */ - void Enable(bool enable = true); + virtual void Enable(bool enable = true); + + /** + @deprecated This function is deprecated; please use GetLabelText() instead. + + @see GetLabelText() + */ + static wxString GetLabelFromText(const wxString& text); + + /** + Strips all accelerator characters and mnemonics from the given @a text. + For example: + + @code + wxMenuItem::GetLabelfromText("&Hello\tCtrl-h"); + @endcode + + will return just @c "Hello". + @see GetItemLabelText(), GetItemLabel() + */ + static wxString GetLabelText(const wxString& text); + + /** - Returns the background colour associated with the menu item (Windows only). + @name Getters */ - wxColour GetBackgroundColour() const; + //@{ + + /** + Returns the background colour associated with the menu item. + + @onlyfor{wxmsw} + */ + wxColour& GetBackgroundColour() const; /** - Returns the checked or unchecked bitmap (Windows only). + Returns the checked or unchecked bitmap. + + @onlyfor{wxmsw} */ - wxBitmap GetBitmap(bool checked = true) const; + virtual const wxBitmap& GetBitmap() const; /** - Returns the font associated with the menu item (Windows only). + Returns the font associated with the menu item. + + @onlyfor{wxmsw} */ - wxFont GetFont() const; + wxFont& GetFont() const; /** Returns the help string associated with the menu item. */ - wxString GetHelp() const; + const wxString& GetHelp() const; /** Returns the menu item identifier. @@ -109,11 +184,11 @@ public: /** Returns the text associated with the menu item including any accelerator - characters that were passed to the constructor or SetItemLabel. + characters that were passed to the constructor or SetItemLabel(). @see GetItemLabelText(), GetLabelText() */ - wxString GetItemLabel() const; + virtual wxString GetItemLabel() const; /** Returns the text associated with the menu item, without any accelerator @@ -121,7 +196,7 @@ public: @see GetItemLabel(), GetLabelText() */ - wxString GetItemLabelText() const; + virtual wxString GetItemLabelText() const; /** Returns the item kind, one of @c wxITEM_SEPARATOR, @c wxITEM_NORMAL, @@ -132,33 +207,17 @@ public: /** Returns the text associated with the menu item without any accelerator characters it might contain. - @deprecated This function is deprecated in favour of GetItemLabelText(). - @see GetText(), GetLabelFromText() - */ - wxString GetLabel() const; - - /** - @deprecated This function is deprecated; please use GetLabelText() instead. - @see GetText(), GetLabel() - */ - static wxString GetLabelFromText(const wxString& text); - /** - Strips all accelerator characters and mnemonics from the given @e text. - For example: - - @code - wxMenuItem::GetLabelfromText( "&Hello\tCtrl-h"); - @endcode - - will return just @c "Hello". + @deprecated This function is deprecated in favour of GetItemLabelText(). - @see GetItemLabelText(), GetItemLabel() + @see GetItemLabelText() */ - static wxString GetLabelText(const wxString& text); + wxString GetLabel() const; /** - Gets the width of the menu item checkmark bitmap (Windows only). + Gets the width of the menu item checkmark bitmap. + + @onlyfor{wxmsw} */ int GetMarginWidth() const; @@ -170,8 +229,10 @@ public: /** Returns the text associated with the menu item. - @deprecated This function is deprecated. Please use - GetItemLabel() or GetItemLabelText() instead. + + @deprecated This function is deprecated. Please use GetItemLabel() or GetItemLabelText() instead. + + @see GetItemLabel(), GetItemLabelText() */ wxString GetName() const; @@ -183,30 +244,63 @@ public: /** Returns the text associated with the menu item, such as it was passed to the wxMenuItem constructor, i.e. with any accelerator characters it may contain. + @deprecated This function is deprecated in favour of GetItemLabel(). - @see GetLabel(), GetLabelFromText() + + @see GetLabelFromText() */ - wxString GetText() const; + const wxString& GetText() const; /** - Returns the text colour associated with the menu item (Windows only). + Returns the text colour associated with the menu item. + + @onlyfor{wxmsw} */ - wxColour GetTextColour() const; + wxColour& GetTextColour() const; + + //@} + + + + /** + @name Checkers + */ + //@{ + + /** + Returns @true if the item is a check item. + + Unlike IsCheckable() this doesn't return @true for the radio buttons. + + @since 2.9.5 + */ + bool IsCheck() const; /** Returns @true if the item is checkable. + + Notice that the radio buttons are considered to be checkable as well, + so this method returns @true for them too. Use IsCheck() if you want to + test for the check items only. */ bool IsCheckable() const; /** Returns @true if the item is checked. */ - bool IsChecked() const; + virtual bool IsChecked() const; /** Returns @true if the item is enabled. */ - bool IsEnabled() const; + virtual bool IsEnabled() const; + + /** + Returns @true if the item is a radio button. + + @since 2.9.5 + */ + bool IsRadio() const; /** Returns @true if the item is a separator. @@ -217,28 +311,57 @@ public: Returns @true if the item is a submenu. */ bool IsSubMenu() const; + + //@} + + + + /** + @name Setters + */ + //@{ /** - Sets the background colour associated with the menu item (Windows only). + Sets the background colour associated with the menu item. + + @onlyfor{wxmsw} */ - void SetBackgroundColour(const wxColour& colour) const; + void SetBackgroundColour(const wxColour& colour); /** - Sets the bitmap for the menu item (Windows and GTK+ only). It is - equivalent to wxMenuItem::SetBitmaps(bmp, wxNullBitmap). + Sets the bitmap for the menu item. + + It is equivalent to wxMenuItem::SetBitmaps(bmp, wxNullBitmap) if + @a checked is @true (default value) or SetBitmaps(wxNullBitmap, bmp) + otherwise. + + SetBitmap() must be called before the item is appended to the menu, + i.e. appending the item without a bitmap and setting one later is not + guaranteed to work. But the bitmap can be changed or reset later if it + had been set up initially. + + Notice that GTK+ uses a global setting called @c gtk-menu-images to + determine if the images should be shown in the menus at all. If it is + off (which is the case in e.g. Gnome 2.28 by default), no images will + be shown, consistently with the native behaviour. + + @onlyfor{wxmsw,wxosx,wxgtk} */ - void SetBitmap(const wxBitmap& bmp); + virtual void SetBitmap(const wxBitmap& bmp, bool checked = true); /** - Sets the checked/unchecked bitmaps for the menu item (Windows only). The first - bitmap - is also used as the single bitmap for uncheckable menu items. + Sets the checked/unchecked bitmaps for the menu item. + The first bitmap is also used as the single bitmap for uncheckable menu items. + + @onlyfor{wxmsw} */ void SetBitmaps(const wxBitmap& checked, const wxBitmap& unchecked = wxNullBitmap); /** - Sets the font associated with the menu item (Windows only). + Sets the font associated with the menu item. + + @onlyfor{wxmsw} */ void SetFont(const wxFont& font); @@ -249,33 +372,101 @@ public: /** Sets the label associated with the menu item. + + Note that if the ID of this menu item corresponds to a stock ID, then it is + not necessary to specify a label: wxWidgets will automatically use the stock + item label associated with that ID. See the @ref wxMenuItem::wxMenuItem "constructor" + for more info. + + The label string for the normal menu items (not separators) may include the + accelerator which can be used to activate the menu item from keyboard. + An accelerator key can be specified using the ampersand & character. + In order to embed an ampersand character in the menu item text, the ampersand + must be doubled. + + Optionally you can specify also an accelerator string appending a tab character + \\t followed by a valid key combination (e.g. CTRL+V). + Its general syntax is any combination of @c "CTRL", @c "RAWCTRL", @c + "ALT" and @c "SHIFT" strings (case doesn't matter) separated by either + @c '-' or @c '+' characters and followed by the accelerator itself. + Notice that @c CTRL corresponds to the "Ctrl" key on most platforms but + not under Mac OS where it is mapped to "Cmd" key on Mac keyboard. + Usually this is exactly what you want in portable code but if you + really need to use the (rarely used for this purpose) "Ctrl" key even + under Mac, you may use @c RAWCTRL to prevent this mapping. Under the + other platforms @c RAWCTRL is the same as plain @c CTRL. + + The accelerator may be any alphanumeric character, any function key + (from F1 to F12) or one of the special characters listed in the table + below (again, case doesn't matter): + - @c DEL or @c DELETE: Delete key + - @c BACK : Backspace key + - @c INS or @c INSERT: Insert key + - @c ENTER or @c RETURN: Enter key + - @c PGUP: PageUp key + - @c PGDN: PageDown key + - @c LEFT: Left cursor arrow key + - @c RIGHT: Right cursor arrow key + - @c UP: Up cursor arrow key + - @c DOWN: Down cursor arrow key + - @c HOME: Home key + - @c END: End key + - @c SPACE: Space + - @c TAB: Tab key + - @c ESC or @c ESCAPE: Escape key (Windows only) + + Examples: + + @code + m_pMyMenuItem->SetItemLabel("My &item\tCTRL+I"); + m_pMyMenuItem2->SetItemLabel("Clean && build\tF7"); + m_pMyMenuItem3->SetItemLabel("Simple item"); + m_pMyMenuItem4->SetItemLabel("Item with &accelerator"); + @endcode + + @note In wxGTK using @c "SHIFT" with non-alphabetic characters + currently doesn't work, even in combination with other modifiers, due + to GTK+ limitation. E.g. @c Shift+Ctrl+A works but @c Shift+Ctrl+1 or + @c Shift+/ do not, so avoid using accelerators of this form in portable + code. + + @see GetItemLabel(), GetItemLabelText() */ - void SetItemLabel(const wxString& label); + virtual void SetItemLabel(const wxString& label); /** - Sets the width of the menu item checkmark bitmap (Windows only). + Sets the width of the menu item checkmark bitmap. + + @onlyfor{wxmsw} */ - void SetMarginWidth(int width) const; + void SetMarginWidth(int width); /** Sets the parent menu which will contain this menu item. */ - void SetMenu(const wxMenu* menu); + void SetMenu(wxMenu* menu); /** Sets the submenu of this menu item. */ - void SetSubMenu(const wxMenu* menu); + void SetSubMenu(wxMenu* menu); /** Sets the text associated with the menu item. + @deprecated This function is deprecated in favour of SetItemLabel(). + + @see SetItemLabel(). */ - void SetText(const wxString& text); + virtual void SetText(const wxString& text); /** - Sets the text colour associated with the menu item (Windows only). + Sets the text colour associated with the menu item. + + @onlyfor{wxmsw} */ void SetTextColour(const wxColour& colour); + + //@} };