From 0bc06e8f1a73e3df7f4173de90faaf5ecbd05297 Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Thu, 18 Nov 2021 13:44:41 +0100
Subject: Reformat and move clipboard demo from examples to test folder

The clipboard demo is more a test program than an example and very
useful even if the examples are not built.

Also update dependencies.
---
 examples/.gitignore     |   1 -
 examples/CMakeLists.txt |   1 -
 examples/Makefile       |   1 -
 examples/clipboard.cxx  | 160 ------------------------------------------------
 4 files changed, 163 deletions(-)
 delete mode 100644 examples/clipboard.cxx

(limited to 'examples')

diff --git a/examples/.gitignore b/examples/.gitignore
index a3e97348c..bf8efbd8b 100644
--- a/examples/.gitignore
+++ b/examples/.gitignore
@@ -4,7 +4,6 @@
 # Note: *.exe will be ignored by means of ../.gitignore
 #
 browser-simple
-clipboard
 chart-simple
 draggable-group
 howto-add_fd-and-popen
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index fc6c13237..351aa5424 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -79,7 +79,6 @@ set (FLUID_SOURCES
 ############################################################
 
 set (IMAGE_SOURCES
-  clipboard
   howto-simple-svg
 )
 
diff --git a/examples/Makefile b/examples/Makefile
index a4ffc12f5..0ef85508b 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -7,7 +7,6 @@ SHELL = /bin/sh
 # Executables
 ALL = browser-simple$(EXEEXT) \
       chart-simple$(EXEEXT) \
-      clipboard$(EXEEXT) \
       draggable-group$(EXEEXT) \
       howto-add_fd-and-popen$(EXEEXT) \
       howto-browser-with-icons$(EXEEXT) \
diff --git a/examples/clipboard.cxx b/examples/clipboard.cxx
deleted file mode 100644
index e3aa322c1..000000000
--- a/examples/clipboard.cxx
+++ /dev/null
@@ -1,160 +0,0 @@
-//
-// Clipboard display test application for the Fast Light Tool Kit (FLTK).
-//
-// Copyright 1998-2014 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_Window.H>
-#include <FL/Fl_Box.H>
-#include <FL/Fl_Image.H>
-#include <FL/Fl_Shared_Image.H>
-#include <FL/Fl_Text_Buffer.H>
-#include <FL/Fl_Text_Display.H>
-#include <FL/Fl_Tabs.H>
-#include <FL/Fl_Button.H>
-#include <FL/Fl.H>
-#include <FL/fl_draw.H>
-#ifdef _WIN32
-#include <windows.h>
-#endif // _WIN32
-
-/* Displays and follows the content of the clipboard with either image or text data
- */
-
-Fl_Box *image_box;
-Fl_Box *image_size;
-Fl_Text_Display *display;
-
-inline int fl_min(int a, int b) { return (a < b ? a : b); }
-
-
-class chess : public Fl_Box { // a box with a chess-like pattern below its image
-public:
-  chess(int x, int y, int w, int h) : Fl_Box(FL_FLAT_BOX,x,y,w,h,0) {
-    align(FL_ALIGN_CENTER | FL_ALIGN_CLIP);
-  }
-  void draw() {
-    draw_box();
-    Fl_Image *im = image();
-    if (im) { // draw the chess pattern below the box centered image
-      int X = x() + (w()-im->w())/2, Y = y() + (h()-im->h())/2, W = im->w(), H = im->h();
-      fl_push_clip(X,Y,W,H);
-      fl_push_clip(x(),y(),w(),h());
-      fl_color(FL_WHITE); fl_rectf(X,Y,W,H);
-      fl_color(FL_LIGHT2);
-      const int side = 4, side2 = 2*side;
-      for (int j=Y; j<Y+H; j+=side) {
-        for (int i=X + (j-Y)%side2; i<X+W; i+=side2) {
-          fl_rectf(i,j,side,side);
-        }
-      }
-      fl_pop_clip();
-      fl_pop_clip();
-    }
-    draw_label(); // draw the box image
-  }
-} *chess_obj;
-
-#define TAB_COLOR FL_DARK3
-
-class clipboard_viewer : public Fl_Tabs { // use tabs to display as appropriate the image or textual content of the clipboard
-public:
-  clipboard_viewer(int x, int y, int w, int h) : Fl_Tabs(x,y,w,h) {}
-  virtual int handle(int event) {
-    if (event != FL_PASTE) return Fl_Tabs::handle(event);
-    if (strcmp(Fl::event_clipboard_type(), Fl::clipboard_image) == 0) { // an image is being pasted
-      Fl_RGB_Image *im = (Fl_RGB_Image*)Fl::event_clipboard(); // get it as an Fl_RGB_Image object
-      if (!im) return 1;
-      char title[300];
-      sprintf(title, "%dx%d",im->w(), im->h()); // display the image original size
-#ifdef _WIN32
-      OpenClipboard(NULL); // display extra technical info about clipboard content
-      char *p=title + strlen(title);
-      int format = EnumClipboardFormats(0);
-      if (format && format < CF_MAX) { sprintf(p, " %d",format); p += strlen(p); }
-      while (format) {
-        format = EnumClipboardFormats(format);
-        if (format && format < CF_MAX) { sprintf(p, " %d",format); p += strlen(p); }
-      }
-      HANDLE h;
-      if ((h = GetClipboardData(CF_DIB))) {
-        LPBITMAPINFO lpBI = (LPBITMAPINFO)GlobalLock(h);
-        sprintf(p, " biBitCount=%d biCompression=%d biClrUsed=%d",
-                lpBI->bmiHeader.biBitCount, (int)lpBI->bmiHeader.biCompression, (int)lpBI->bmiHeader.biClrUsed);
-      }
-      CloseClipboard();
-#endif
-      Fl_Image *oldimg = image_box->image();
-      delete oldimg;
-      if (im->w() > image_box->w() || im->h() > image_box->h()) im->scale(image_box->w(), image_box->h());
-      image_box->image(im); // show the scaled image
-      image_size->copy_label(title);
-      value(image_box->parent());
-      window()->redraw();
-    }
-    else { // text is being pasted
-      display->buffer()->text(Fl::event_text());
-      value(display);
-      display->redraw();
-    }
-    return 1;
-  }
-} *tabs;
-
-
-void cb(Fl_Widget *wid, clipboard_viewer *tabs)
-{
-  if (Fl::clipboard_contains(Fl::clipboard_image)) {
-    Fl::paste(*tabs, 1, Fl::clipboard_image); // try to find image in the clipboard
-    return;
-  }
-  if (Fl::clipboard_contains(Fl::clipboard_plain_text)) Fl::paste(*tabs, 1, Fl::clipboard_plain_text); // also try to find text
-}
-
-void clip_callback(int source, void *data) { // called after clipboard was changed or at application activation
-  if ( source == 1 ) cb(NULL, (clipboard_viewer *)data);
-}
-
-int main(int argc, char **argv)
-{
-  fl_register_images(); // required for the X11 platform to allow pasting of images
-  Fl_Window* win = new Fl_Window(500, 550, "clipboard viewer");
-  tabs = new clipboard_viewer(0, 0, 500, 500);
-  Fl_Group *g = new Fl_Group( 5, 30, 490, 460, Fl::clipboard_image); // g will display the image form
-  g->box(FL_FLAT_BOX);
-  image_box = new chess(5, 30, 490, 450);
-  image_size = new Fl_Box(FL_NO_BOX, 5, 485, 490, 10, 0);
-  g->end();
-  g->selection_color(TAB_COLOR);
-
-  Fl_Text_Buffer *buffer = new Fl_Text_Buffer();
-  display = new Fl_Text_Display(5,30,490, 460, Fl::clipboard_plain_text); // display will display the text form
-  display->buffer(buffer);
-  display->selection_color(TAB_COLOR);
-  tabs->end();
-  tabs->resizable(display);
-
-  Fl_Group *g2 = new Fl_Group( 10,510,200,25);
-  Fl_Button *refresh = new Fl_Button(10,510,200,25, "Refresh from clipboard");
-  refresh->callback((Fl_Callback*)cb, tabs);
-  g2->end();
-  g2->resizable(NULL);
-  win->end();
-  win->resizable(tabs);
-  win->show(argc,argv);
-  clip_callback(1, tabs); // use clipboard content at start
-  Fl::add_clipboard_notify(clip_callback, tabs); // will update with new clipboard content immediately or at application activation
-
-  Fl_Image::RGB_scaling(FL_RGB_SCALING_BILINEAR); // set bilinear image scaling method
-  return Fl::run();
-}
-- 
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