From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- third_party/windows/fltk-1.1.10/src/Fl_Roller.cxx | 180 ++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 third_party/windows/fltk-1.1.10/src/Fl_Roller.cxx (limited to 'third_party/windows/fltk-1.1.10/src/Fl_Roller.cxx') diff --git a/third_party/windows/fltk-1.1.10/src/Fl_Roller.cxx b/third_party/windows/fltk-1.1.10/src/Fl_Roller.cxx new file mode 100644 index 0000000..6e1dd7c --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/Fl_Roller.cxx @@ -0,0 +1,180 @@ +// +// "$Id: Fl_Roller.cxx 5190 2006-06-09 16:16:34Z mike $" +// +// Roller widget for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2005 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 +// + +// Rapid-App style knob + +#include +#include +#include +#include + +int Fl_Roller::handle(int event) { + static int ipos; + int newpos = horizontal() ? Fl::event_x() : Fl::event_y(); + switch (event) { + case FL_PUSH: + if (Fl::visible_focus()) { + Fl::focus(this); + redraw(); + } + handle_push(); + ipos = newpos; + return 1; + case FL_DRAG: + handle_drag(clamp(round(increment(previous_value(),newpos-ipos)))); + return 1; + case FL_RELEASE: + handle_release(); + return 1; + case FL_KEYBOARD : + switch (Fl::event_key()) { + case FL_Up: + if (horizontal()) return 0; + handle_drag(clamp(increment(value(),-1))); + return 1; + case FL_Down: + if (horizontal()) return 0; + handle_drag(clamp(increment(value(),1))); + return 1; + case FL_Left: + if (!horizontal()) return 0; + handle_drag(clamp(increment(value(),-1))); + return 1; + case FL_Right: + if (!horizontal()) return 0; + handle_drag(clamp(increment(value(),1))); + return 1; + default: + return 0; + } + // break not required because of switch... + case FL_FOCUS : + case FL_UNFOCUS : + if (Fl::visible_focus()) { + redraw(); + return 1; + } else return 0; + case FL_ENTER : + case FL_LEAVE : + return 1; + default: + return 0; + } +} + +void Fl_Roller::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())-1; + int H = h()-Fl::box_dh(box())-1; + if (W<=0 || H <=0) return; + int offset = step() ? int(value()/step()) : 0; + const double ARC = 1.5; // 1/2 the number of radians visible + const double delta = .2; // radians per knurl + if (horizontal()) { // horizontal one + // draw shaded ends of wheel: + int h1 = W/4+1; // distance from end that shading starts + fl_color(color()); fl_rectf(X+h1,Y,W-2*h1,H); + for (int i=0; h1; i++) { + fl_color((Fl_Color)(FL_GRAY-i-1)); + int h2 = FL_GRAY-i-1 > FL_DARK3 ? 2*h1/3+1 : 0; + fl_rectf(X+h2,Y,h1-h2,H); + fl_rectf(X+W-h1,Y,h1-h2,H); + h1 = h2; + } + if (active_r()) { + // draw ridges: + double junk; + for (double yy = -ARC+modf(offset*sin(ARC)/(W/2)/delta,&junk)*delta;; + yy += delta) { + int yy1 = int((sin(yy)/sin(ARC)+1)*W/2); + if (yy1 <= 0) continue; else if (yy1 >= W-1) break; + fl_color(FL_DARK3); fl_yxline(X+yy1,Y+1,Y+H-1); + if (yy < 0) yy1--; else yy1++; + fl_color(FL_LIGHT1);fl_yxline(X+yy1,Y+1,Y+H-1); + } + // draw edges: + h1 = W/8+1; // distance from end the color inverts + fl_color(FL_DARK2); + fl_xyline(X+h1,Y+H-1,X+W-h1); + fl_color(FL_DARK3); + fl_yxline(X,Y+H,Y,X+h1); + fl_xyline(X+W-h1,Y,X+W); + fl_color(FL_LIGHT2); + fl_xyline(X+h1,Y-1,X+W-h1); + fl_yxline(X+W,Y,Y+H,X+W-h1); + fl_xyline(X+h1,Y+H,X); + } + } else { // vertical one + // draw shaded ends of wheel: + int h1 = H/4+1; // distance from end that shading starts + fl_color(color()); fl_rectf(X,Y+h1,W,H-2*h1); + for (int i=0; h1; i++) { + fl_color((Fl_Color)(FL_GRAY-i-1)); + int h2 = FL_GRAY-i-1 > FL_DARK3 ? 2*h1/3+1 : 0; + fl_rectf(X,Y+h2,W,h1-h2); + fl_rectf(X,Y+H-h1,W,h1-h2); + h1 = h2; + } + if (active_r()) { + // draw ridges: + double junk; + for (double yy = -ARC+modf(offset*sin(ARC)/(H/2)/delta,&junk)*delta; + ; yy += delta) { + int yy1 = int((sin(yy)/sin(ARC)+1)*H/2); + if (yy1 <= 0) continue; else if (yy1 >= H-1) break; + fl_color(FL_DARK3); fl_xyline(X+1,Y+yy1,X+W-1); + if (yy < 0) yy1--; else yy1++; + fl_color(FL_LIGHT1);fl_xyline(X+1,Y+yy1,X+W-1); + } + // draw edges: + h1 = H/8+1; // distance from end the color inverts + fl_color(FL_DARK2); + fl_yxline(X+W-1,Y+h1,Y+H-h1); + fl_color(FL_DARK3); + fl_xyline(X+W,Y,X,Y+h1); + fl_yxline(X,Y+H-h1,Y+H); + fl_color(FL_LIGHT2); + fl_yxline(X,Y+h1,Y+H-h1); + fl_xyline(X,Y+H,X+W,Y+H-h1); + fl_yxline(X+W,Y+h1,Y); + } + } + + if (Fl::focus() == this) draw_focus(FL_THIN_UP_FRAME, x(), y(), w(), h()); +} + +Fl_Roller::Fl_Roller(int X,int Y,int W,int H,const char* L) + : Fl_Valuator(X,Y,W,H,L) { + box(FL_UP_BOX); + step(1,1000); +} + +// +// End of "$Id: Fl_Roller.cxx 5190 2006-06-09 16:16:34Z mike $". +// -- cgit v1.3.1