Add third_party libs

1 files changed, 277 insertions, 0 deletions

diff --git a/third_party/windows/fltk-1.1.10/src/Fl_Scrollbar.cxx b/third_party/windows/fltk-1.1.10/src/Fl_Scrollbar.cxx
new file mode 100644
index 0000000..f3a43c7
--- /dev/null
+++ b/third_party/windows/fltk-1.1.10/src/Fl_Scrollbar.cxx
@@ -0,0 +1,277 @@
+//

+// "$Id: Fl_Scrollbar.cxx 6042 2008-02-25 13:00:53Z matt $"

+//

+// Scroll bar widget for the Fast Light Tool Kit (FLTK).

+//

+// Copyright 1998-2006 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

+//

+

+#include <FL/Fl.H>

+#include <FL/Fl_Scrollbar.H>

+#include <FL/fl_draw.H>

+#include <math.h>

+#include "flstring.h"

+

+#define INITIALREPEAT .5

+#define REPEAT .05

+

+void Fl_Scrollbar::increment_cb() {

+  int ls = maximum()>=minimum() ? linesize_ : -linesize_;

+  int i;

+  switch (pushed_) {

+  case 1:

+    i = -ls;

+    break;

+  default:

+    i =  ls;

+    break;

+  case 5:

+    i = -int((maximum()-minimum())*slider_size()/(1.0-slider_size())) + ls;

+    if (i > -ls) i = -ls;

+    break;

+  case 6:

+    i =  int((maximum()-minimum())*slider_size()/(1.0-slider_size())) - ls;

+    if (i < ls) i = ls;

+    break;

+  }

+  handle_drag(clamp(value() + i));

+}

+

+void Fl_Scrollbar::timeout_cb(void* v) {

+  Fl_Scrollbar* s = (Fl_Scrollbar*)v;

+  s->increment_cb();

+  Fl::add_timeout(REPEAT, timeout_cb, s);

+}

+

+int Fl_Scrollbar::handle(int event) {

+  // area of scrollbar:

+  int area;

+  int X=x(); int Y=y(); int W=w(); int H=h();

+

+  // adjust slider area to be inside the arrow buttons:

+  if (horizontal()) {

+    if (W >= 3*H) {X += H; W -= 2*H;}

+  } else {

+    if (H >= 3*W) {Y += W; H -= 2*W;}

+  }

+

+  // which widget part is highlighted?

+  int relx;

+  int ww;

+  if (horizontal()) {

+    relx = Fl::event_x()-X;

+    ww = W;

+  } else {

+    relx = Fl::event_y()-Y;

+    ww = H;

+  }

+  if (relx < 0) area = 1;

+  else if (relx >= ww) area = 2;

+  else {

+    int S = int(slider_size()*ww+.5);

+    int T = (horizontal() ? H : W)/2+1;

+    if (type()==FL_VERT_NICE_SLIDER || type()==FL_HOR_NICE_SLIDER) T += 4;

+    if (S < T) S = T;

+    double val =

+      (maximum()-minimum()) ? (value()-minimum())/(maximum()-minimum()) : 0.5;

+    int sliderx;

+    if (val >= 1.0) sliderx = ww-S;

+    else if (val <= 0.0) sliderx = 0;

+    else sliderx = int(val*(ww-S)+.5);

+    if (Fl::event_button() == FL_MIDDLE_MOUSE) area = 8;

+    else if (relx < sliderx) area = 5;

+    else if (relx >= sliderx+S) area = 6;

+    else area = 8;

+  }

+

+  switch (event) {

+  case FL_ENTER:

+  case FL_LEAVE:

+    return 1;

+  case FL_RELEASE:

+      damage(FL_DAMAGE_ALL);

+    if (pushed_) {

+      Fl::remove_timeout(timeout_cb, this);

+      pushed_ = 0;

+    }

+    handle_release();

+    return 1;

+  case FL_PUSH:

+    if (pushed_) return 1;

+    if (area != 8) pushed_ = area;

+    if (pushed_) {

+      handle_push();

+      Fl::add_timeout(INITIALREPEAT, timeout_cb, this);

+      increment_cb();

+      damage(FL_DAMAGE_ALL);

+      return 1;

+    }

+    return Fl_Slider::handle(event, X,Y,W,H);

+  case FL_DRAG:

+    if (pushed_) return 1;

+    return Fl_Slider::handle(event, X,Y,W,H);

+  case FL_MOUSEWHEEL :

+    if (horizontal()) {

+      if (Fl::e_dx==0) return 0;

+      handle_drag(clamp(value() + linesize_ * Fl::e_dx));

+      return 1;

+    } else {

+      if (Fl::e_dy==0) return 0;

+      handle_drag(clamp(value() + linesize_ * Fl::e_dy));

+      return 1;

+    }

+  case FL_SHORTCUT:

+  case FL_KEYBOARD: {

+    int v = value();

+    int ls = maximum()>=minimum() ? linesize_ : -linesize_;

+    if (horizontal()) {

+      switch (Fl::event_key()) {

+      case FL_Left:

+	v -= ls;

+	break;

+      case FL_Right:

+	v += ls;

+	break;

+      default:

+	return 0;

+      }

+    } else { // vertical

+      switch (Fl::event_key()) {

+      case FL_Up:

+	v -= ls;

+	break;

+      case FL_Down:

+	v += ls;

+	break;

+      case FL_Page_Up:

+	if (slider_size() >= 1.0) return 0;

+	v -= int((maximum()-minimum())*slider_size()/(1.0-slider_size()));

+	v += ls;

+	break;

+      case FL_Page_Down:

+	if (slider_size() >= 1.0) return 0;

+	v += int((maximum()-minimum())*slider_size()/(1.0-slider_size()));

+	v -= ls;

+	break;

+      case FL_Home:

+	v = int(minimum());

+	break;

+      case FL_End:

+	v = int(maximum());

+	break;

+      default:

+	return 0;

+      }

+    }

+    v = int(clamp(v));

+    if (v != value()) {

+      Fl_Slider::value(v);

+      value_damage();

+      set_changed();

+      do_callback();

+    }

+    return 1;}

+  }

+  return 0;

+}

+

+void Fl_Scrollbar::draw() {

+  if (damage()&FL_DAMAGE_ALL) draw_box();

+  int X = x()+Fl::box_dx(box());

+  int Y = y()+Fl::box_dy(box());

+  int W = w()-Fl::box_dw(box());

+  int H = h()-Fl::box_dh(box());

+  if (horizontal()) {

+    if (W < 3*H) {Fl_Slider::draw(X,Y,W,H); return;}

+    Fl_Slider::draw(X+H,Y,W-2*H,H);

+    if (damage()&FL_DAMAGE_ALL) {

+      draw_box((pushed_==1) ? fl_down(slider()) : slider(),

+	       X, Y, H, H, selection_color());

+      draw_box((pushed_==2) ? fl_down(slider()) : slider(),

+	       X+W-H, Y, H, H, selection_color());

+      if (active_r())

+        fl_color(labelcolor());

+      else

+        fl_color(fl_inactive(labelcolor()));

+      int w1 = (H-4)/3; if (w1 < 1) w1 = 1;

+      int x1 = X+(H-w1-1)/2;

+      int yy1 = Y+(H-2*w1-1)/2;

+      if (Fl::scheme_ && !strcmp(Fl::scheme_, "gtk+")) {

+	fl_polygon(x1, yy1+w1, x1+w1, yy1+2*w1, x1+w1-1, yy1+w1, x1+w1, yy1);

+	x1 += (W-H);

+	fl_polygon(x1, yy1, x1+1, yy1+w1, x1, yy1+2*w1, x1+w1, yy1+w1);

+      } else {

+	fl_polygon(x1, yy1+w1, x1+w1, yy1+2*w1, x1+w1, yy1);

+	x1 += (W-H);

+	fl_polygon(x1, yy1, x1, yy1+2*w1, x1+w1, yy1+w1);

+      }

+    }

+  } else { // vertical

+    if (H < 3*W) {Fl_Slider::draw(X,Y,W,H); return;}

+    Fl_Slider::draw(X,Y+W,W,H-2*W);

+    if (damage()&FL_DAMAGE_ALL) {

+      draw_box((pushed_==1) ? fl_down(slider()) : slider(),

+	       X, Y, W, W, selection_color());

+      draw_box((pushed_==2) ? fl_down(slider()) : slider(),

+	       X, Y+H-W, W, W, selection_color());

+      if (active_r())

+        fl_color(labelcolor());

+      else

+        fl_color(fl_inactive(labelcolor()));

+      int w1 = (W-4)/3; if (w1 < 1) w1 = 1;

+      int x1 = X+(W-2*w1-1)/2;

+      int yy1 = Y+(W-w1-1)/2;

+      if (Fl::scheme_ && !strcmp(Fl::scheme_, "gtk+")) {

+	fl_polygon(x1, yy1+w1, x1+w1, yy1+w1-1, x1+2*w1, yy1+w1, x1+w1, yy1);

+	yy1 += H-W;

+	fl_polygon(x1, yy1, x1+w1, yy1+1, x1+w1, yy1+w1);

+	fl_polygon(x1+w1, yy1+1, x1+2*w1, yy1, x1+w1, yy1+w1);

+      } else {

+	fl_polygon(x1, yy1+w1, x1+2*w1, yy1+w1, x1+w1, yy1);

+	yy1 += H-W;

+	fl_polygon(x1, yy1, x1+w1, yy1+w1, x1+2*w1, yy1);

+      }

+    }

+  }

+}

+

+Fl_Scrollbar::Fl_Scrollbar(int X, int Y, int W, int H, const char* L)

+  : Fl_Slider(X, Y, W, H, L)

+{

+  box(FL_FLAT_BOX);

+  color(FL_DARK2);

+  slider(FL_UP_BOX);

+  linesize_ = 16;

+  pushed_ = 0;

+  step(1);

+}

+

+Fl_Scrollbar::~Fl_Scrollbar()

+{

+  if (pushed_)

+    Fl::remove_timeout(timeout_cb, this);

+}

+

+

+//

+// End of "$Id: Fl_Scrollbar.cxx 6042 2008-02-25 13:00:53Z matt $".

+//