diff options
| -rw-r--r-- | examples/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | examples/Makefile | 18 | ||||
| -rw-r--r-- | examples/Makefile.FLTK | 17 | ||||
| -rw-r--r-- | examples/howto-flex-simple.cxx | 63 |
4 files changed, 100 insertions, 1 deletions
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt index fc92de28b..2cf147637 100644 --- a/examples/CMakeLists.txt +++ b/examples/CMakeLists.txt @@ -1,7 +1,7 @@ # # CMakeLists.txt used to build example apps by the CMake build system # -# Copyright 2020-2021 by Bill Spitzak and others. +# Copyright 2020-2022 by Bill Spitzak and others. # # This library is free software. Distribution and use rights are outlined in # the file "COPYING" which should have been included with this file. If this @@ -37,6 +37,7 @@ set (SIMPLE_SOURCES howto-browser-with-icons howto-drag-and-drop howto-draw-an-x + howto-flex-simple howto-menu-with-images howto-parse-args howto-remap-numpad-keyboard-keys diff --git a/examples/Makefile b/examples/Makefile index 00b8acafb..dc312aa7a 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -1,3 +1,20 @@ +# +# Makefile used to build example apps by 'make' +# +# Copyright 2020-2022 by Bill Spitzak and others. +# +# This library is free software. Distribution and use rights are outlined in +# the file "COPYING" which should have been included with this file. If this +# file is missing or damaged, see the license at: +# +# https://www.fltk.org/COPYING.php +# +# Please see the following page on how to report bugs and issues: +# +# https://www.fltk.org/bugs.php +# +################################################################################ + include Makefile.FLTK RM = rm -f @@ -13,6 +30,7 @@ ALL = browser-simple$(EXEEXT) \ howto-browser-with-icons$(EXEEXT) \ howto-drag-and-drop$(EXEEXT) \ howto-draw-an-x$(EXEEXT) \ + howto-flex-simple$(EXEEXT) \ howto-menu-with-images$(EXEEXT) \ howto-parse-args$(EXEEXT) \ howto-remap-numpad-keyboard-keys$(EXEEXT) \ diff --git a/examples/Makefile.FLTK b/examples/Makefile.FLTK index 902797c59..59899b724 100644 --- a/examples/Makefile.FLTK +++ b/examples/Makefile.FLTK @@ -1,4 +1,21 @@ # +# Included Makefile used to build example apps by 'make' +# +# Copyright 2020-2022 by Bill Spitzak and others. +# +# This library is free software. Distribution and use rights are outlined in +# the file "COPYING" which should have been included with this file. If this +# file is missing or damaged, see the license at: +# +# https://www.fltk.org/COPYING.php +# +# Please see the following page on how to report bugs and issues: +# +# https://www.fltk.org/bugs.php +# +################################################################################ + +# # Stuff every FLTK application might need # # If you take this for use in your own project, be sure to change diff --git a/examples/howto-flex-simple.cxx b/examples/howto-flex-simple.cxx new file mode 100644 index 000000000..329fe9351 --- /dev/null +++ b/examples/howto-flex-simple.cxx @@ -0,0 +1,63 @@ +// +// Very simple Fl_Flex demo program for the Fast Light Tool Kit (FLTK). +// +// Copyright 2022 by Bill Spitzak and others. +// +// This library is free software. Distribution and use rights are outlined in +// the file "COPYING" which should have been included with this file. If this +// file is missing or damaged, see the license at: +// +// https://www.fltk.org/COPYING.php +// +// Please see the following page on how to report bugs and issues: +// +// https://www.fltk.org/bugs.php +// + +#include <FL/Fl.H> +#include <FL/Fl_Double_Window.H> +#include <FL/Fl_Flex.H> +#include <FL/Fl_Box.H> +#include <FL/Fl_Button.H> +#include <FL/fl_ask.H> + +// the 'Exit' button callback closes the window and terminates the program +void exit_cb(Fl_Widget *w, void *) { + fl_message("The '%s' button closes the window\nand terminates the program.", w->label()); + w->window()->hide(); +} + +// common callback for all other buttons +void button_cb(Fl_Widget *w, void *) { + fl_message("The '%s' button does nothing.", w->label()); +} + +int main(int argc, char **argv) { + Fl_Double_Window window(410, 40, "Simple Fl_Flex Demo"); + Fl_Flex flex(5, 5, window.w() - 10, window.h() - 10, Fl_Flex::HORIZONTAL); + Fl_Button b1(0, 0, 0, 0, "File"); + Fl_Button b2(0, 0, 0, 0, "New"); + Fl_Button b3(0, 0, 0, 0, "Save"); + Fl_Box bx(0, 0, 0, 0); // empty space + Fl_Button eb(0, 0, 0, 0, "Exit"); + + // assign callbacks to buttons + b1.callback(button_cb); + b2.callback(button_cb); + b3.callback(button_cb); + eb.callback(exit_cb); + + // set gap between adjacent buttons and extra spacing (invisible box size) + flex.gap(10); + flex.set_size(bx, 30); // total 50: 2 * gap + 30 + + // end() groups + flex.end(); + window.end(); + + // set resizable, minimal window size, show() window, and execute event loop + window.resizable(flex); + window.size_range(300, 30); + window.show(argc, argv); + return Fl::run(); +} |