diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/Makefile | 1 | ||||
| -rw-r--r-- | examples/menubar-add.cxx | 93 |
2 files changed, 94 insertions, 0 deletions
diff --git a/examples/Makefile b/examples/Makefile index 63008fcd3..383377b28 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -3,6 +3,7 @@ include ../makeinclude ALL = howto-add_fd-and-popen$(EXEEXT) \ howto-parse-args$(EXEEXT) \ howto-text-over-image-button$(EXEEXT) \ + menubar-add$(EXEEXT) \ table-as-container$(EXEEXT) \ table-simple$(EXEEXT) \ table-sort$(EXEEXT) \ diff --git a/examples/menubar-add.cxx b/examples/menubar-add.cxx new file mode 100644 index 000000000..46c1336bb --- /dev/null +++ b/examples/menubar-add.cxx @@ -0,0 +1,93 @@ +// +// "$Id$" +// +// An example of using Fl_Menu_Bar's add() to dynamically create menubars +// +// Menu bars can be created several ways. Using add() allows +// dynamically creating a menubar using a 'pathname' syntax. +// Use if you're creating items dynamically, or if you're making +// menubars by hand (as opposed to using fluid), as it's easier +// to type and read. +// +// In this case we're using one callback for all items, +// but you can make unique callbacks for each item if needed. +// +// Copyright 2010 Greg Ercolano. +// Copyright 1998-2010 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems on the following page: +// +// http://www.fltk.org/str.php +// +#include <stdio.h> // fprintf() +#include <stdlib.h> // exit() +#include <string.h> // strcmp() +#include <FL/Fl.H> +#include <FL/Fl_Window.H> +#include <FL/Fl_Menu_Bar.H> +#include <FL/filename.H> // fl_open_uri() + +// This callback is invoked whenever the user clicks an item in the menu bar +static void MyMenuCallback(Fl_Widget *w, void *) { + Fl_Menu_Bar *bar = (Fl_Menu_Bar*)w; // Get the menubar widget + const Fl_Menu_Item *item = bar->mvalue(); // Get the menu item that was picked + + char ipath[256]; bar->item_pathname(ipath, sizeof(ipath)); // Get full pathname of picked item + + fprintf(stderr, "callback: You picked '%s'", item->label()); // Print item picked + fprintf(stderr, ", item_pathname() is '%s'", ipath); // ..and full pathname + + if ( item->flags & (FL_MENU_RADIO|FL_MENU_TOGGLE) ) { // Toggle or radio item? + fprintf(stderr, ", value is %s", item->value()?"on":"off"); // Print item's value + } + fprintf(stderr, "\n"); + if ( strcmp(item->label(), "Google") == 0 ) { fl_open_uri("http://google.com/"); } + if ( strcmp(item->label(), "&Quit") == 0 ) { exit(0); } +} + +int main() { + Fl::scheme("gtk+"); + Fl_Window *win = new Fl_Window(400,200, "menubar-simple"); // Create window + Fl_Menu_Bar *menu = new Fl_Menu_Bar(0,0,400,25); // Create menubar, items.. + menu->add("&File/&Open", "^o", MyMenuCallback); + menu->add("&File/&Save", "^s", MyMenuCallback, 0, FL_MENU_DIVIDER); + menu->add("&File/&Quit", "^q", MyMenuCallback); + menu->add("&Edit/&Copy", "^c", MyMenuCallback); + menu->add("&Edit/&Paste", "^v", MyMenuCallback, 0, FL_MENU_DIVIDER); + menu->add("&Edit/Radio 1", 0, MyMenuCallback, 0, FL_MENU_RADIO); + menu->add("&Edit/Radio 2", 0, MyMenuCallback, 0, FL_MENU_RADIO|FL_MENU_DIVIDER); + menu->add("&Edit/Toggle 1", 0, MyMenuCallback, 0, FL_MENU_TOGGLE); // Default: off + menu->add("&Edit/Toggle 2", 0, MyMenuCallback, 0, FL_MENU_TOGGLE); // Default: off + menu->add("&Edit/Toggle 3", 0, MyMenuCallback, 0, FL_MENU_TOGGLE|FL_MENU_VALUE); // Default: on + menu->add("&Help/Google", 0, MyMenuCallback); + + // Example: show how we can dynamically change the state of item Toggle #2 (turn it 'on') + { + Fl_Menu_Item *item = (Fl_Menu_Item*)menu->find_item("&Edit/Toggle 2"); // Find item + if ( item ) item->set(); // Turn it on + else fprintf(stderr, "'Toggle 2' item not found?!\n"); // (optional) Not found? complain! + } + + win->end(); + win->show(); + return(Fl::run()); +} + +// +// End of "$Id$". +// |