d9666eb8c9
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9747 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
443 lines
12 KiB
C++
443 lines
12 KiB
C++
//
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// "$Id$"
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//
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// Main demo program for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2010 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#if defined(WIN32) && !defined(__CYGWIN__)
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# include <direct.h>
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# ifndef __WATCOMC__
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// Visual C++ 2005 incorrectly displays a warning about the use of POSIX APIs
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// on Windows, which is supposed to be POSIX compliant...
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# define chdir _chdir
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# define putenv _putenv
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# endif // !__WATCOMC__
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#elif defined __APPLE__
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#include <ApplicationServices/ApplicationServices.h>
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#include <unistd.h> // for chdir()
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#include <stdio.h>
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#include <stdlib.h> // for system()
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#include <string.h>
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#else
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# include <unistd.h>
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#endif
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#include <FL/Fl.H>
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#include <FL/Fl_Double_Window.H>
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#include <FL/Fl_Box.H>
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#include <FL/Fl_Button.H>
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#include <FL/Fl_Choice.H>
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#include <FL/filename.H>
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#include <FL/x.H>
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/* The form description */
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void doexit(Fl_Widget *, void *);
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void doback(Fl_Widget *, void *);
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void dobut(Fl_Widget *, long);
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void doscheme(Fl_Choice *c, void *) {
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Fl::scheme(c->text(c->value()));
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}
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Fl_Double_Window *form;
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Fl_Button *but[9];
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void create_the_forms() {
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Fl_Widget *obj;
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form = new Fl_Double_Window(350, 440);
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obj = new Fl_Box(FL_FRAME_BOX,10,15,330,40,"FLTK Demonstration");
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obj->color(FL_GRAY-4);
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obj->labelsize(24);
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obj->labelfont(FL_BOLD);
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obj->labeltype(FL_ENGRAVED_LABEL);
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obj = new Fl_Box(FL_FRAME_BOX,10,65,330,330,0);
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obj->color(FL_GRAY-8);
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obj = new Fl_Button(280,405,60,25,"Exit");
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obj->callback(doexit);
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Fl_Choice *choice = new Fl_Choice(75, 405, 100, 25, "Scheme:");
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choice->labelfont(FL_HELVETICA_BOLD);
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choice->add("none");
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choice->add("gtk+");
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choice->add("plastic");
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choice->callback((Fl_Callback *)doscheme);
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Fl::scheme(NULL);
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if (!Fl::scheme()) choice->value(0);
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else if (!strcmp(Fl::scheme(), "gtk+")) choice->value(1);
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else choice->value(2);
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obj = new Fl_Button(10,15,330,380); obj->type(FL_HIDDEN_BUTTON);
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obj->callback(doback);
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obj = but[0] = new Fl_Button( 30, 85,90,90);
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obj = but[1] = new Fl_Button(130, 85,90,90);
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obj = but[2] = new Fl_Button(230, 85,90,90);
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obj = but[3] = new Fl_Button( 30,185,90,90);
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obj = but[4] = new Fl_Button(130,185,90,90);
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obj = but[5] = new Fl_Button(230,185,90,90);
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obj = but[6] = new Fl_Button( 30,285,90,90);
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obj = but[7] = new Fl_Button(130,285,90,90);
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obj = but[8] = new Fl_Button(230,285,90,90);
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for (int i=0; i<9; i++) {
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but[i]->align(FL_ALIGN_WRAP);
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but[i]->callback(dobut, i);
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}
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form->end();
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}
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/* Maintaining and building up the menus. */
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typedef struct {
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char name[64];
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int numb;
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char iname[9][64];
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char icommand[9][64];
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} MENU;
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#define MAXMENU 32
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MENU menus[MAXMENU];
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int mennumb = 0;
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int find_menu(const char* nnn)
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/* Returns the number of a given menu name. */
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{
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int i;
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for (i=0; i<mennumb; i++)
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if (strcmp(menus[i].name,nnn) == 0) return i;
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return -1;
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}
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void create_menu(const char* nnn)
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/* Creates a new menu with name nnn */
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{
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if (mennumb == MAXMENU -1) return;
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strcpy(menus[mennumb].name,nnn);
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menus[mennumb].numb = 0;
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mennumb++;
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}
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void addto_menu(const char* men, const char* item, const char* comm)
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/* Adds an item to a menu */
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{
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int n = find_menu(men);
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if (n<0) { create_menu(men); n = find_menu(men); }
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if (menus[n].numb == 9) return;
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strcpy(menus[n].iname[menus[n].numb],item);
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strcpy(menus[n].icommand[menus[n].numb],comm);
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menus[n].numb++;
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}
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/* Button to Item conversion and back. */
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int b2n[][9] = {
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{ -1, -1, -1, -1, 0, -1, -1, -1, -1},
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{ -1, -1, -1, 0, -1, 1, -1, -1, -1},
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{ 0, -1, -1, -1, 1, -1, -1, -1, 2},
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{ 0, -1, 1, -1, -1, -1, 2, -1, 3},
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{ 0, -1, 1, -1, 2, -1, 3, -1, 4},
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{ 0, -1, 1, 2, -1, 3, 4, -1, 5},
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{ 0, -1, 1, 2, 3, 4, 5, -1, 6},
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{ 0, 1, 2, 3, -1, 4, 5, 6, 7},
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8}
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};
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int n2b[][9] = {
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{ 4, -1, -1, -1, -1, -1, -1, -1, -1},
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{ 3, 5, -1, -1, -1, -1, -1, -1, -1},
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{ 0, 4, 8, -1, -1, -1, -1, -1, -1},
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{ 0, 2, 6, 8, -1, -1, -1, -1, -1},
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{ 0, 2, 4, 6, 8, -1, -1, -1, -1},
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{ 0, 2, 3, 5, 6, 8, -1, -1, -1},
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{ 0, 2, 3, 4, 5, 6, 8, -1, -1},
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{ 0, 1, 2, 3, 5, 6, 7, 8, -1},
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8}
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};
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int but2numb(int bnumb, int maxnumb)
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/* Transforms a button number to an item number when there are
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maxnumb items in total. -1 if the button should not exist. */
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{ return b2n[maxnumb][bnumb]; }
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int numb2but(int inumb, int maxnumb)
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/* Transforms an item number to a button number when there are
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maxnumb items in total. -1 if the item should not exist. */
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{ return n2b[maxnumb][inumb]; }
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/* Pushing and Popping menus */
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char stack[64][32];
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int stsize = 0;
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void push_menu(const char* nnn)
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/* Pushes a menu to be visible */
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{
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int n,i,bn;
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int men = find_menu(nnn);
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if (men < 0) return;
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n = menus[men].numb;
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for (i=0; i<9; i++) but[i]->hide();
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for (i=0; i<n; i++)
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{
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bn = numb2but(i,n-1);
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but[bn]->show();
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but[bn]->label(menus[men].iname[i]);
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if (menus[men].icommand[i][0] != '@') but[bn]->tooltip(menus[men].icommand[i]);
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else but[bn]->tooltip(0);
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}
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if (stack[stsize]!=nnn)
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strcpy(stack[stsize],nnn);
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stsize++;
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}
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void pop_menu()
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/* Pops a menu */
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{
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if (stsize<=1) return;
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stsize -= 2;
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push_menu(stack[stsize]);
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}
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/* The callback Routines */
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void dobut(Fl_Widget *, long arg)
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/* handles a button push */
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{
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int men = find_menu(stack[stsize-1]);
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int n = menus[men].numb;
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int bn = but2numb( (int) arg, n-1);
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if (menus[men].icommand[bn][0] == '@')
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push_menu(menus[men].icommand[bn]);
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else {
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#ifdef WIN32
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STARTUPINFO suInfo; // Process startup information
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PROCESS_INFORMATION prInfo; // Process information
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memset(&suInfo, 0, sizeof(suInfo));
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suInfo.cb = sizeof(suInfo);
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int icommand_length = strlen(menus[men].icommand[bn]);
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char* copy_of_icommand = new char[icommand_length+1];
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strcpy(copy_of_icommand,menus[men].icommand[bn]);
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// On WIN32 the .exe suffix needs to be appended to the command
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// whilst leaving any additional parameters unchanged - this
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// is required to handle the correct conversion of cases such as :
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// `../fluid/fluid valuators.fl' to '../fluid/fluid.exe valuators.fl'.
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// skip leading spaces.
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char* start_command = copy_of_icommand;
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while(*start_command == ' ') ++start_command;
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// find the space between the command and parameters if one exists.
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char* start_parameters = strchr(start_command,' ');
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char* command = new char[icommand_length+6]; // 6 for extra 'd.exe\0'
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if (start_parameters==NULL) { // no parameters required.
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# ifdef _DEBUG
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sprintf(command, "%sd.exe", start_command);
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# else
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sprintf(command, "%s.exe", start_command);
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# endif // _DEBUG
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} else { // parameters required.
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// break the start_command at the intermediate space between
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// start_command and start_parameters.
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*start_parameters = 0;
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// move start_paremeters to skip over the intermediate space.
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++start_parameters;
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# ifdef _DEBUG
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sprintf(command, "%sd.exe %s", start_command, start_parameters);
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# else
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sprintf(command, "%s.exe %s", start_command, start_parameters);
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# endif // _DEBUG
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}
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CreateProcess(NULL, command, NULL, NULL, FALSE,
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NORMAL_PRIORITY_CLASS, NULL, NULL, &suInfo, &prInfo);
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delete[] command;
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delete[] copy_of_icommand;
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#elif defined __APPLE__
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char *cmd = strdup(menus[men].icommand[bn]);
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char *arg = strchr(cmd, ' ');
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char command[2048], path[2048], app_path[2048];
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// this neat litle block of code ensures that the current directory is set
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// to the location of the Demo application.
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CFBundleRef app = CFBundleGetMainBundle();
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CFURLRef url = CFBundleCopyBundleURL(app);
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CFStringRef cc_app_path = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle);
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CFRelease(url);
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CFStringGetCString(cc_app_path, app_path, 2048, kCFStringEncodingUTF8);
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CFRelease(cc_app_path);
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if (*app_path) {
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char *n = strrchr(app_path, '/');
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if (n) {
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#if defined USING_XCODE
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*n = 0;
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#endif
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chdir(app_path);
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}
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}
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char *name = new char[strlen(cmd) + 5];
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strcpy(name, cmd);
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strcat(name, ".app");
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// check whether app bundle exists
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if ( ! fl_filename_isdir(name) ) strcpy(name, cmd);
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if (arg) {
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const char *fluidpath;
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*arg = 0;
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#if defined USING_XCODE
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fl_filename_absolute(path, 2048, "../../../../test/");
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fluidpath = "Fluid.app";
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#else
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strcpy(path, app_path); strcat(path, "/");
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fluidpath = "../fluid/fluid.app";
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// check whether fluid bundle exists
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if ( ! fl_filename_isdir(fluidpath) ) fluidpath = "../fluid";
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#endif
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if (strcmp(cmd, "../fluid/fluid")==0) {
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sprintf(command, "open %s --args %s%s", fluidpath, path, arg+1);
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} else {
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sprintf(command, "open %s --args %s%s", name, path, arg+1);
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}
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} else {
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sprintf(command, "open %s", name);
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}
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delete[] name;
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// puts(command);
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system(command);
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free(cmd);
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#else // NON WIN32 systems.
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int icommand_length = strlen(menus[men].icommand[bn]);
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char* command = new char[icommand_length+5]; // 5 for extra './' and ' &\0'
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sprintf(command, "./%s &", menus[men].icommand[bn]);
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if (system(command)==-1) { /* ignore */ }
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delete[] command;
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#endif // WIN32
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}
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}
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void doback(Fl_Widget *, void *) {pop_menu();}
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void doexit(Fl_Widget *, void *) {exit(0);}
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int load_the_menu(const char* fname)
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/* Loads the menu file. Returns whether successful. */
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{
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FILE *fin = 0;
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char line[256], mname[64],iname[64],cname[64];
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int i, j;
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fin = fl_fopen(fname,"r");
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#if defined ( USING_XCODE )
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if (fin == NULL) {
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// mac os bundle menu detection:
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char* pos = strrchr(fname,'/');
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if (!pos) return 0;
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*pos='\0';
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pos = strrchr(fname,'/');
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if (!pos) return 0;
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strcpy(pos,"/Resources/demo.menu");
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fin = fl_fopen(fname,"r");
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}
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#endif
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if (fin == NULL) {
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return 0;
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}
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for (;;) {
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if (fgets(line,256,fin) == NULL) break;
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// remove all carriage returns that Cygwin may have inserted
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char *s = line, *d = line;
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for (;;++d) {
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while (*s=='\r') s++;
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*d = *s++;
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if (!*d) break;
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}
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// interprete the line
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j = 0; i = 0;
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while (line[i] == ' ' || line[i] == '\t') i++;
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if (line[i] == '\n') continue;
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if (line[i] == '#') continue;
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while (line[i] != ':' && line[i] != '\n') mname[j++] = line[i++];
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mname[j] = '\0';
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if (line[i] == ':') i++;
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j = 0;
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while (line[i] != ':' && line[i] != '\n')
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{
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if (line[i] == '\\') {
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i++;
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if (line[i] == 'n') iname[j++] = '\n';
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else iname[j++] = line[i];
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i++;
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} else
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iname[j++] = line[i++];
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}
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iname[j] = '\0';
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if (line[i] == ':') i++;
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j = 0;
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while (line[i] != ':' && line[i] != '\n') cname[j++] = line[i++];
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cname[j] = '\0';
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addto_menu(mname,iname,cname);
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}
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fclose(fin);
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return 1;
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}
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int main(int argc, char **argv) {
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putenv((char *)"FLTK_DOCDIR=../documentation/html");
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char buf[FL_PATH_MAX];
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strcpy(buf, argv[0]);
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#if ( defined _MSC_VER || defined __MWERKS__ ) && defined _DEBUG
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// MS_VisualC appends a 'd' to debugging executables. remove it.
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fl_filename_setext( buf, "" );
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buf[ strlen(buf)-1 ] = 0;
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#endif
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fl_filename_setext(buf,".menu");
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const char *fname = buf;
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int i = 0;
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if (!Fl::args(argc,argv,i) || i < argc-1)
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Fl::fatal("Usage: %s <switches> <menufile>\n%s",argv[0],Fl::help);
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if (i < argc) fname = argv[i];
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create_the_forms();
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if (!load_the_menu(fname)) Fl::fatal("Can't open %s",fname);
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if (buf!=fname)
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strcpy(buf,fname);
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const char *c = fl_filename_name(buf);
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if (c > buf) {
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buf[c-buf] = 0;
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if (chdir(buf)==-1) { /* ignore */ }
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}
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push_menu("@main");
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form->show(argc,argv);
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Fl::run();
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return 0;
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}
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//
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// End of "$Id$".
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//
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