52a853c39c
- update formatting + documentation generation - rename help-test.html to help_dialog.html - update CMake files + Makefiles + related source files - update fluid files + dependencies
610 lines
17 KiB
C++
610 lines
17 KiB
C++
//
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// Main demo program for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2021 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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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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/*
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General information on directory structure and file handling.
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The "classic" autotools/make system creates executables in their source
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folders, i.e. fluid/fluid, test/demo and test/xyz, resp.. The menu file is
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in folder test/, as is the main demo(.exe) program. In the following text
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and directory lists all test and demo executables are represented by "demo"
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and the fluid executable by "fluid", no matter what OS (under Windows: *.exe).
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The CMake build system generates all executables in the build tree and copies
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the supporting test data files to the build tree as well. This structure is
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different and needs to be handled separately in this program.
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Additionally, different OS platforms create different types of files, for
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instance "app bundles" on macOS. All this needs to be considered.
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The overall structure, relative to the FLTK source dir (fltk) and the build
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tree (build):
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(1) Autotools / Make:
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fltk/fluid fluid (../fluid/fluid)
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fltk/test demo, demo.menu, working directory, data files
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fltk/test/images images for help_dialog(.html)
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(2) CMake + make (e.g. Unix)
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build/bin fluid
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build/bin/test test and demo programs
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build/data demo.menu, working directory, data files
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build/data/images images for help_dialog(.html)
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(3) CMake + Visual Studio (TYPE == build type: Debug, Release, ...)
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build/bin/TYPE fluid
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build/bin/test/TYPE test and demo programs
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build/data demo.menu, working directory, data files
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build/data/images images for help_dialog(.html)
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(4) macOS The setup is similar to Windows and Linux:
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Makefiles: like (1) or (2)
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Xcode: like (3), i.e. similar to VS layout
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The built executable 'demo' can also be executed with the menu filename
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as commandline argument. In this case all the support (data) files are
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expected to be in the same directory as the menu file or relative paths
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as needed by the test programs, for instance help_dialog which needs
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help_dialog.html and related image files.
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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 <errno.h>
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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/platform.H>
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#include <FL/fl_ask.H> // fl_alert()
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#include <FL/fl_utf8.h> // fl_getcwd()
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#define FORM_W 350
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#define FORM_H 440
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/* Define a macro to decide if a trailing 'd' needs to be removed
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from the executable file name. Current versions of Visual Studio
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bundled IDE solutions add a 'd' to the executable file name
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('demod.exe') in Debug configurations that needs to be removed.
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This is no longer true with CMake-generated IDE's starting with
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FLTK 1.3.6, but in FLTK 1.3 the OLD behavior is still used if
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the provided Visual Studio IDE projects are used.
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*/
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#if defined(_MSC_VER) && defined(_DEBUG) && !defined(CMAKE_INTDIR)
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# define DEBUG_EXE_WITH_D 1
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#else
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# define DEBUG_EXE_WITH_D 0
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#endif
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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 = 0;
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Fl_Group *demogrp = 0;
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Fl_Button *but[9];
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// Allocate space to edit commands and arguments from demo.menu.
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// We "trust demo.menu" that strings don't overflow
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char cmdbuf[256]; // commandline w/o arguments
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char params[256]; // commandline arguments
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// Global path variables for all platforms and build systems
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// to avoid duplication and dynamic allocation
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char app_path [FL_PATH_MAX]; // directory of all demo binaries
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char fluid_path [FL_PATH_MAX]; // binary directory of fluid
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char data_path [FL_PATH_MAX]; // working directory of all demos
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char command [2 * FL_PATH_MAX + 40]; // command to be executed
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// platform specific suffix for executable files
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#ifdef _WIN32
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# if DEBUG_EXE_WITH_D
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const char* suffix = "d.exe"; // exe name with trailing 'd'
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# else
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const char* suffix = ".exe"; // exe name w/o trailing 'd'
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# endif
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#elif defined __APPLE__
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const char *suffix = ".app";
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#else
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const char *suffix = "";
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#endif
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// CMake defines the "build type" subdirectory for multi configuration
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// build setups like Visual Studio and Xcode
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#ifdef CMAKE_INTDIR
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const char *cmake_intdir = "/" CMAKE_INTDIR;
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#else
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const char *cmake_intdir = 0;
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#endif
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// debug output function
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void debug_var(const char *varname, const char *value) {
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printf("%-10s = %s\n", varname, value);
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fflush(stdout); // Windows needs that
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}
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void create_the_forms() {
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Fl_Widget *obj;
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form = new Fl_Double_Window(FORM_W,FORM_H);
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form->size_range(FORM_W,FORM_H,FORM_W+1,FORM_H+1); // XXX: +1 needed or window can't be made resizable later
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// Parent group for demo
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demogrp = new Fl_Group(0,0,FORM_W,FORM_H);
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demogrp->resizable(0);
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demogrp->begin();
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// Demo
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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("gleam");
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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 if (!strcmp(Fl::scheme(), "gleam")) choice->value(2);
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else if (!strcmp(Fl::scheme(), "plastic")) choice->value(3);
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else choice->value(0);
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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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demogrp->end();
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// End window
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form->end();
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form->resizable(form);
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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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/* Return the number of a given menu name. */
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int find_menu(const char* nnn) {
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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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/* Create a new menu with name nnn */
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void create_menu(const char* nnn) {
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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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/* Add an item to a menu */
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void addto_menu(const char* men, const char* item, const char* comm) {
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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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/* Transform 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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int but2numb(int bnumb, int maxnumb)
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{ return b2n[maxnumb][bnumb]; }
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/* Transform 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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int numb2but(int inumb, int maxnumb)
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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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/* Push a menu to be visible */
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void push_menu(const char* nnn) {
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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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/* Pop a menu */
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void pop_menu() {
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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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/* Handle a button push */
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void dobut(Fl_Widget *, long arg) {
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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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// menu ?
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if (menus[men].icommand[bn][0] == '@') {
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push_menu(menus[men].icommand[bn]);
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return;
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}
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// not a menu: run test/demo/fluid executable
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// find and separate "command" and "params"
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// skip leading spaces in command
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char *start_command = menus[men].icommand[bn];
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while (*start_command == ' ') ++start_command;
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strcpy(cmdbuf, start_command); // here still full command w/params
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// find the space between the command and parameters if one exists
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char *start_params = strchr(cmdbuf, ' ');
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if (start_params) {
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*start_params = '\0'; // terminate command
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start_params++; // skip space
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strcpy(params, start_params); // copy parameters
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} else {
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params[0] = '\0'; // empty string
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}
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// select application path: either app_path or fluid_path
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const char *path = app_path;
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if (!strncmp(cmdbuf, "fluid", 5))
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path = fluid_path;
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// format commandline with optional parameters
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#if defined(__APPLE__) // macOS
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if (params[0]) {
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// we assume that we have only one argument which is a filename in 'data_path'
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sprintf(command, "open '%s/%s%s' --args '%s/%s'", path, cmdbuf, suffix, data_path, params);
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} else {
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sprintf(command, "open '%s/%s%s'", path, cmdbuf, suffix);
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}
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#else // other platforms
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if (params[0])
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sprintf(command, "%s/%s%s %s", path, cmdbuf, suffix, params);
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else
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sprintf(command, "%s/%s%s", path, cmdbuf, suffix);
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#endif
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// finally, execute program (the system specific part)
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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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debug_var("Command", command);
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BOOL stat = CreateProcess(NULL, command, NULL, NULL, FALSE,
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NORMAL_PRIORITY_CLASS, NULL,
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NULL, &suInfo, &prInfo);
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if (!stat) {
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DWORD err = GetLastError();
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fl_alert("Error starting process, error #%lu\n'%s'", err, command);
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}
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#elif defined __APPLE__
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debug_var("Command", command);
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system(command);
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#else // other platforms (Unix, Linux)
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strcat(command, " &"); // run in background
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debug_var("Command", command);
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if (system(command) == -1) {
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fl_alert("Could not start program, errno = %d\n'%s'", errno, command);
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}
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#endif // _WIN32
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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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/*
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Load the menu file. Returns whether successful.
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*/
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int load_the_menu(const char * const menu) {
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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(menu, "r");
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if (fin == NULL)
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return 0;
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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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// interpret 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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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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}
|
|
fclose(fin);
|
|
return 1;
|
|
}
|
|
|
|
// Fix '\' in Windows paths (convert to '/') and cut off filename (optional, default)
|
|
void fix_path(char *path, int strip_filename = 1) {
|
|
if (!path[0])
|
|
return;
|
|
#ifdef _WIN32 // convert '\' to '/'
|
|
char *p = path;
|
|
while (*p) {
|
|
if (*p == '\\')
|
|
*p = '/';
|
|
p++;
|
|
}
|
|
#endif // _WIN32
|
|
if (strip_filename) {
|
|
char *pos = strrchr(path, '/');
|
|
if (pos)
|
|
*pos = 0;
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
putenv((char *)"FLTK_DOCDIR=../documentation/html"); // used by fluid
|
|
|
|
char menu[FL_PATH_MAX];
|
|
|
|
// construct app_path for all executable files
|
|
|
|
fl_filename_absolute(app_path, sizeof(app_path), argv[0]);
|
|
#ifdef __APPLE__
|
|
char *q = strstr(app_path, "/Contents/MacOS/");
|
|
if (q) *q = 0;
|
|
#endif
|
|
fix_path(app_path);
|
|
|
|
// fluid's path is relative to app_path:
|
|
// - "../fluid" for autoconf/make builds
|
|
// - ".." (parent directory) for single configuration CMake builds
|
|
// - "../../$CMAKE_INTDIR" for multi-config (Visual Studio or Xcode) CMake builds
|
|
|
|
strcpy(fluid_path, app_path);
|
|
|
|
if (cmake_intdir)
|
|
fix_path(fluid_path); // remove intermediate (build type) folder, e.g. "/Debug"
|
|
|
|
fix_path(fluid_path); // remove folder name ("test")
|
|
|
|
#if !defined(GENERATED_BY_CMAKE)
|
|
strcat(fluid_path, "/fluid");
|
|
#else
|
|
// CMake: potentially Visual Studio or Xcode (multi config)
|
|
if (cmake_intdir)
|
|
strcat(fluid_path, cmake_intdir); // append e.g. "/Debug"
|
|
|
|
#endif // GENERATED_BY_CMAKE
|
|
|
|
// construct data_path for the menu file and all resources (data files)
|
|
// CMake: replace "/bin/test/*" with "/data"
|
|
// autotools: use app_path directly
|
|
|
|
strcpy(data_path, app_path);
|
|
|
|
#if defined(GENERATED_BY_CMAKE)
|
|
{
|
|
char *pos = strstr(data_path, "/bin/test");
|
|
if (pos)
|
|
strcpy(pos, "/data");
|
|
}
|
|
#endif // GENERATED_BY_CMAKE
|
|
|
|
// Construct the menu file name, optionally overridden by command args.
|
|
// Use data_path and append "/<exe-file-name>.menu"
|
|
|
|
const char *fn = fl_filename_name(argv[0]);
|
|
strcpy(menu, data_path);
|
|
strcat(menu, "/");
|
|
strcat(menu, fn);
|
|
#if DEBUG_EXE_WITH_D
|
|
char* dexe_found = strstr(menu, "d.exe");
|
|
if (dexe_found) strcpy(dexe_found, ".exe"); // strip trailing 'd'
|
|
#endif
|
|
fl_filename_setext(menu, sizeof(menu), ".menu");
|
|
|
|
// parse commandline
|
|
|
|
int i = 0;
|
|
if (!Fl::args(argc, argv, i) || i < argc-1)
|
|
Fl::fatal("Usage: %s <switches> <menufile>\n%s", argv[0], Fl::help);
|
|
if (i < argc) {
|
|
// override menu file *and* data path !
|
|
fl_filename_absolute(menu, sizeof(menu), (const char *)argv[i]);
|
|
strcpy(data_path, menu);
|
|
fix_path(data_path);
|
|
}
|
|
|
|
// set current work directory to 'data_path'
|
|
|
|
if (chdir(data_path) == -1) { /* ignore */ }
|
|
|
|
// Create forms first
|
|
create_the_forms();
|
|
|
|
{
|
|
char cwd[1024];
|
|
fl_getcwd(cwd, sizeof(cwd));
|
|
fix_path(cwd, 0);
|
|
|
|
debug_var("app_path", app_path);
|
|
debug_var("fluid_path", fluid_path);
|
|
debug_var("data_path", data_path);
|
|
debug_var("menu file", menu);
|
|
debug_var("cwd", cwd);
|
|
printf("\n");
|
|
fflush(stdout);
|
|
}
|
|
|
|
if (!load_the_menu(menu))
|
|
Fl::fatal("Can't open menu file '%s'", menu);
|
|
|
|
push_menu("@main");
|
|
form->show(argc, argv);
|
|
Fl::run();
|
|
return 0;
|
|
}
|