135 lines
4.5 KiB
C++
135 lines
4.5 KiB
C++
// Fl_Menu_Item.H
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// The Fl_Menu_ widget has a pointer to an array of these structures.
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// These are designed so that the array can be built efficiently using
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// a C initialization constant.
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#ifndef Fl_Menu_Item_H
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#define Fl_Menu_Item_H
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#ifndef Fl_Widget_H
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// used to get the Fl_Callback typedefs:
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#include "Fl_Widget.H"
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#endif
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enum { // values for flags:
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FL_MENU_INACTIVE = 1,
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FL_MENU_TOGGLE= 2,
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FL_MENU_VALUE = 4,
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FL_MENU_RADIO = 8,
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FL_MENU_INVISIBLE = 0x10,
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FL_SUBMENU_POINTER = 0x20,
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FL_SUBMENU = 0x40,
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FL_MENU_DIVIDER = 0x80,
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FL_MENU_HORIZONTAL = 0x100
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};
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extern int fl_old_shortcut(const char*);
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class Fl_Menu_;
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struct Fl_Menu_Item {
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const char *text; // label()
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int shortcut_;
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Fl_Callback *callback_;
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void *user_data_;
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int flags;
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uchar labeltype_;
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uchar labelfont_;
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uchar labelsize_;
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uchar labelcolor_;
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// advance N items, skipping submenus:
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const Fl_Menu_Item *next(int=1) const;
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Fl_Menu_Item *next(int i=1) {
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return (Fl_Menu_Item*)(((const Fl_Menu_Item*)this)->next(i));}
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// methods on menu items:
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const char* label() const {return text;}
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void label(const char* a) {text=a;}
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void label(Fl_Labeltype a,const char* b) {labeltype_ = a; text = b;}
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Fl_Labeltype labeltype() const {return (Fl_Labeltype)labeltype_;}
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void labeltype(Fl_Labeltype a) {labeltype_ = a;}
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Fl_Color labelcolor() const {return (Fl_Color)labelcolor_;}
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void labelcolor(uchar a) {labelcolor_ = a;}
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Fl_Font labelfont() const {return (Fl_Font)labelfont_;}
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void labelfont(uchar a) {labelfont_ = a;}
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uchar labelsize() const {return labelsize_;}
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void labelsize(uchar a) {labelsize_ = a;}
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Fl_Callback* callback() const {return callback_;}
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void callback(Fl_Callback* c, void* p) {callback_=c; user_data_=p;}
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void callback(Fl_Callback* c) {callback_=c;}
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void callback(Fl_Callback0*c) {callback_=(Fl_Callback*)c;}
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void callback(Fl_Callback1*c, long p=0) {callback_=(Fl_Callback*)c; user_data_=(void*)p;}
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void* user_data() const {return user_data_;}
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void user_data(void* v) {user_data_ = v;}
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long argument() const {return (long)user_data_;}
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void argument(long v) {user_data_ = (void*)v;}
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int shortcut() const {return shortcut_;}
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void shortcut(int s) {shortcut_ = s;}
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int submenu() const {return flags&(FL_SUBMENU|FL_SUBMENU_POINTER);}
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int checkbox() const {return flags&FL_MENU_TOGGLE;}
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int radio() const {return flags&FL_MENU_RADIO;}
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int value() const {return flags&FL_MENU_VALUE;}
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void set() {flags |= FL_MENU_VALUE;}
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void clear() {flags &= ~FL_MENU_VALUE;}
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void setonly();
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int visible() const {return !(flags&FL_MENU_INVISIBLE);}
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void show() {flags &= ~FL_MENU_INVISIBLE;}
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void hide() {flags |= FL_MENU_INVISIBLE;}
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int active() const {return !(flags&FL_MENU_INACTIVE);}
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void activate() {flags &= ~FL_MENU_INACTIVE;}
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void deactivate() {flags |= FL_MENU_INACTIVE;}
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int activevisible() const {return !(flags&0x11);}
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// used by menubar:
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int measure(int* h, const Fl_Menu_*) const;
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void draw(int x, int y, int w, int h, const Fl_Menu_*, int t=0) const;
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// popup menus without using an Fl_Menu_ widget:
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const Fl_Menu_Item* popup(
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int X, int Y,
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const char *title = 0,
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const Fl_Menu_Item* picked=0,
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const Fl_Menu_* = 0) const;
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const Fl_Menu_Item* pulldown(
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int X, int Y, int W, int H,
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const Fl_Menu_Item* picked = 0,
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const Fl_Menu_* = 0,
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const Fl_Menu_Item* title = 0,
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int menubar=0) const;
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const Fl_Menu_Item* test_shortcut() const;
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const Fl_Menu_Item* find_shortcut(int *ip=0) const;
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void do_callback(Fl_Widget* o) const {callback_(o, user_data_);}
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void do_callback(Fl_Widget* o,void* arg) const {callback_(o, arg);}
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void do_callback(Fl_Widget* o,long arg) const {callback_(o, (void*)arg);}
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// back-compatability, do not use:
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int checked() const {return flags&FL_MENU_VALUE;}
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void check() {flags |= FL_MENU_VALUE;}
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void uncheck() {flags &= ~FL_MENU_VALUE;}
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int add(const char*, int shortcut, Fl_Callback*, void* =0, int = 0);
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int add(const char*a, const char* b, Fl_Callback* c,
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void* d = 0, int e = 0) {
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return add(a,fl_old_shortcut(b),c,d,e);}
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int size() const ;
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};
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typedef Fl_Menu_Item Fl_Menu; // back compatability
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enum { // back-compatability enum:
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FL_PUP_NONE = 0,
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FL_PUP_GREY = FL_MENU_INACTIVE,
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FL_PUP_GRAY = FL_MENU_INACTIVE,
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FL_MENU_BOX = FL_MENU_TOGGLE,
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FL_PUP_BOX = FL_MENU_TOGGLE,
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FL_MENU_CHECK = FL_MENU_VALUE,
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FL_PUP_CHECK = FL_MENU_VALUE,
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FL_PUP_RADIO = FL_MENU_RADIO,
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FL_PUP_INVISIBLE = FL_MENU_INVISIBLE,
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FL_PUP_SUBMENU = FL_SUBMENU_POINTER
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};
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#endif
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