Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/Fl_Value_Input.cxx b/common/fltk/src/Fl_Value_Input.cxx
new file mode 100644
index 0000000..f4817d8
--- /dev/null
+++ b/common/fltk/src/Fl_Value_Input.cxx
@@ -0,0 +1,149 @@
+//
+// "$Id: Fl_Value_Input.cxx 7903 2010-11-28 21:06:39Z matt $"
+//
+// Value input widget for the Fast Light Tool Kit (FLTK).
+//
+// 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
+//
+
+// FLTK widget for drag-adjusting a floating point value.
+// Warning: this works by making a child Fl_Input object, even
+// though this object is *not* an Fl_Group. May be a kludge?
+
+#include <FL/Fl.H>
+#include <FL/Fl_Value_Input.H>
+#include <FL/Fl_Group.H>
+#include <stdlib.h>
+#include <FL/math.h>
+
+
+void Fl_Value_Input::input_cb(Fl_Widget*, void* v) {
+ Fl_Value_Input& t = *(Fl_Value_Input*)v;
+ double nv;
+ if ((t.step() - floor(t.step()))>0.0 || t.step() == 0.0) nv = strtod(t.input.value(), 0);
+ else nv = strtol(t.input.value(), 0, 0);
+ if (nv != t.value() || t.when() & FL_WHEN_NOT_CHANGED) {
+ t.set_value(nv);
+ t.set_changed();
+ if (t.when()) t.do_callback();
+ }
+}
+
+void Fl_Value_Input::draw() {
+ if (damage()&~FL_DAMAGE_CHILD) input.clear_damage(FL_DAMAGE_ALL);
+ input.box(box());
+ input.color(color(), selection_color());
+ Fl_Widget *i = &input; i->draw(); // calls protected input.draw()
+ input.clear_damage();
+}
+
+void Fl_Value_Input::resize(int X, int Y, int W, int H) {
+ Fl_Valuator::resize(X, Y, W, H);
+ input.resize(X, Y, W, H);
+}
+
+void Fl_Value_Input::value_damage() {
+ char buf[128];
+ format(buf);
+ input.value(buf);
+ input.mark(input.position()); // turn off selection highlight
+}
+
+int Fl_Value_Input::handle(int event) {
+ double v;
+ int delta;
+ int mx = Fl::event_x_root();
+ static int ix, drag;
+ input.when(when());
+ switch (event) {
+ case FL_PUSH:
+ if (!step()) goto DEFAULT;
+ ix = mx;
+ drag = Fl::event_button();
+ handle_push();
+ return 1;
+ case FL_DRAG:
+ if (!step()) goto DEFAULT;
+ delta = mx-ix;
+ if (delta > 5) delta -= 5;
+ else if (delta < -5) delta += 5;
+ else delta = 0;
+ switch (drag) {
+ case 3: v = increment(previous_value(), delta*100); break;
+ case 2: v = increment(previous_value(), delta*10); break;
+ default:v = increment(previous_value(), delta); break;
+ }
+ v = round(v);
+ handle_drag(soft()?softclamp(v):clamp(v));;
+ return 1;
+ case FL_RELEASE:
+ if (!step()) goto DEFAULT;
+ if (value() != previous_value() || !Fl::event_is_click())
+ handle_release();
+ else {
+ Fl_Widget_Tracker wp(&input);
+ input.handle(FL_PUSH);
+ if (wp.exists())
+ input.handle(FL_RELEASE);
+ }
+ return 1;
+ case FL_FOCUS:
+ return input.take_focus();
+ case FL_SHORTCUT:
+ return input.handle(event);
+ default:
+ DEFAULT:
+ input.type(((step() - floor(step()))>0.0 || step() == 0.0) ? FL_FLOAT_INPUT : FL_INT_INPUT);
+ return input.handle(event);
+ }
+}
+
+/**
+ Creates a new Fl_Value_Input widget using the given
+ position, size, and label string. The default boxtype is
+ FL_DOWN_BOX.
+*/
+Fl_Value_Input::Fl_Value_Input(int X, int Y, int W, int H, const char* l)
+: Fl_Valuator(X, Y, W, H, l), input(X, Y, W, H, 0) {
+ soft_ = 0;
+ if (input.parent()) // defeat automatic-add
+ input.parent()->remove(input);
+ input.parent((Fl_Group *)this); // kludge!
+ input.callback(input_cb, this);
+ input.when(FL_WHEN_CHANGED);
+ box(input.box());
+ color(input.color());
+ selection_color(input.selection_color());
+ align(FL_ALIGN_LEFT);
+ value_damage();
+ set_flag(SHORTCUT_LABEL);
+}
+
+Fl_Value_Input::~Fl_Value_Input() {
+
+ if (input.parent() == (Fl_Group *)this)
+ input.parent(0); // *revert* ctor kludge!
+}
+
+//
+// End of "$Id: Fl_Value_Input.cxx 7903 2010-11-28 21:06:39Z matt $".
+//