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_Slider.cxx | 339 ++++++++++++++++++++++ 1 file changed, 339 insertions(+) create mode 100644 third_party/windows/fltk-1.1.10/src/Fl_Slider.cxx (limited to 'third_party/windows/fltk-1.1.10/src/Fl_Slider.cxx') diff --git a/third_party/windows/fltk-1.1.10/src/Fl_Slider.cxx b/third_party/windows/fltk-1.1.10/src/Fl_Slider.cxx new file mode 100644 index 0000000..5776ef6 --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/Fl_Slider.cxx @@ -0,0 +1,339 @@ +// +// "$Id: Fl_Slider.cxx 5438 2006-09-17 14:58:25Z mike $" +// +// Slider 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 +#include +#include +#include +#include "flstring.h" + +void Fl_Slider::_Fl_Slider() { + slider_size_ = 0; + slider_ = 0; // FL_UP_BOX; +} + +Fl_Slider::Fl_Slider(int X, int Y, int W, int H, const char* l) +: Fl_Valuator(X, Y, W, H, l) { + box(FL_DOWN_BOX); + _Fl_Slider(); +} + +Fl_Slider::Fl_Slider(uchar t, int X, int Y, int W, int H, const char* l) + : Fl_Valuator(X, Y, W, H, l) { + type(t); + box(t==FL_HOR_NICE_SLIDER || t==FL_VERT_NICE_SLIDER ? + FL_FLAT_BOX : FL_DOWN_BOX); + _Fl_Slider(); +} + +void Fl_Slider::slider_size(double v) { + if (v < 0) v = 0; + if (v > 1) v = 1; + if (slider_size_ != float(v)) { + slider_size_ = float(v); + damage(FL_DAMAGE_EXPOSE); + } +} + +void Fl_Slider::bounds(double a, double b) { + if (minimum() != a || maximum() != b) { + Fl_Valuator::bounds(a, b); + damage(FL_DAMAGE_EXPOSE); + } +} + +int Fl_Slider::scrollvalue(int p, int W, int t, int l) { +// p = position, first line displayed +// w = window, number of lines displayed +// t = top, number of first line +// l = length, total number of lines + step(1, 1); + if (p+W > t+l) l = p+W-t; + slider_size(W >= l ? 1.0 : double(W)/double(l)); + bounds(t, l-W+t); + return value(p); +} + +// All slider interaction is done as though the slider ranges from +// zero to one, and the left (bottom) edge of the slider is at the +// given position. Since when the slider is all the way to the +// right (top) the left (bottom) edge is not all the way over, a +// position on the widget itself covers a wider range than 0-1, +// actually it ranges from 0 to 1/(1-size). + +void Fl_Slider::draw_bg(int X, int Y, int W, int H) { + fl_push_clip(X, Y, W, H); + draw_box(); + fl_pop_clip(); + + Fl_Color black = active_r() ? FL_FOREGROUND_COLOR : FL_INACTIVE_COLOR; + if (type() == FL_VERT_NICE_SLIDER) { + draw_box(FL_THIN_DOWN_BOX, X+W/2-2, Y, 4, H, black); + } else if (type() == FL_HOR_NICE_SLIDER) { + draw_box(FL_THIN_DOWN_BOX, X, Y+H/2-2, W, 4, black); + } +} + +void Fl_Slider::draw(int X, int Y, int W, int H) { + + double val; + if (minimum() == maximum()) + val = 0.5; + else { + val = (value()-minimum())/(maximum()-minimum()); + if (val > 1.0) val = 1.0; + else if (val < 0.0) val = 0.0; + } + + int ww = (horizontal() ? W : H); + int xx, S; + if (type()==FL_HOR_FILL_SLIDER || type() == FL_VERT_FILL_SLIDER) { + S = int(val*ww+.5); + if (minimum()>maximum()) {S = ww-S; xx = ww-S;} + else xx = 0; + } else { + 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; + xx = int(val*(ww-S)+.5); + } + int xsl, ysl, wsl, hsl; + if (horizontal()) { + xsl = X+xx; + wsl = S; + ysl = Y; + hsl = H; + } else { + ysl = Y+xx; + hsl = S; + xsl = X; + wsl = W; + } + + draw_bg(X, Y, W, H); + + Fl_Boxtype box1 = slider(); + if (!box1) {box1 = (Fl_Boxtype)(box()&-2); if (!box1) box1 = FL_UP_BOX;} + if (type() == FL_VERT_NICE_SLIDER) { + draw_box(box1, xsl, ysl, wsl, hsl, FL_GRAY); + int d = (hsl-4)/2; + draw_box(FL_THIN_DOWN_BOX, xsl+2, ysl+d, wsl-4, hsl-2*d,selection_color()); + } else if (type() == FL_HOR_NICE_SLIDER) { + draw_box(box1, xsl, ysl, wsl, hsl, FL_GRAY); + int d = (wsl-4)/2; + draw_box(FL_THIN_DOWN_BOX, xsl+d, ysl+2, wsl-2*d, hsl-4,selection_color()); + } else { + if (wsl>0 && hsl>0) draw_box(box1, xsl, ysl, wsl, hsl, selection_color()); + + if (type()!=FL_HOR_FILL_SLIDER && type() != FL_VERT_FILL_SLIDER && + Fl::scheme_ && !strcmp(Fl::scheme_, "gtk+")) { + if (W>H && wsl>(hsl+8)) { + // Draw horizontal grippers + int yy, hh; + hh = hsl-8; + xx = xsl+(wsl-hsl-4)/2; + yy = ysl+3; + + fl_color(fl_darker(selection_color())); + fl_line(xx, yy+hh, xx+hh, yy); + fl_line(xx+6, yy+hh, xx+hh+6, yy); + fl_line(xx+12, yy+hh, xx+hh+12, yy); + + xx++; + fl_color(fl_lighter(selection_color())); + fl_line(xx, yy+hh, xx+hh, yy); + fl_line(xx+6, yy+hh, xx+hh+6, yy); + fl_line(xx+12, yy+hh, xx+hh+12, yy); + } else if (H>W && hsl>(wsl+8)) { + // Draw vertical grippers + int yy; + xx = xsl+4; + ww = wsl-8; + yy = ysl+(hsl-wsl-4)/2; + + fl_color(fl_darker(selection_color())); + fl_line(xx, yy+ww, xx+ww, yy); + fl_line(xx, yy+ww+6, xx+ww, yy+6); + fl_line(xx, yy+ww+12, xx+ww, yy+12); + + yy++; + fl_color(fl_lighter(selection_color())); + fl_line(xx, yy+ww, xx+ww, yy); + fl_line(xx, yy+ww+6, xx+ww, yy+6); + fl_line(xx, yy+ww+12, xx+ww, yy+12); + } + } + } + + draw_label(xsl, ysl, wsl, hsl); + if (Fl::focus() == this) { + if (type() == FL_HOR_FILL_SLIDER || type() == FL_VERT_FILL_SLIDER) draw_focus(); + else draw_focus(box1, xsl, ysl, wsl, hsl); + } +} + +void Fl_Slider::draw() { + if (damage()&FL_DAMAGE_ALL) draw_box(); + draw(x()+Fl::box_dx(box()), + y()+Fl::box_dy(box()), + w()-Fl::box_dw(box()), + h()-Fl::box_dh(box())); +} + +int Fl_Slider::handle(int event, int X, int Y, int W, int H) { + switch (event) { + case FL_PUSH: + if (!Fl::event_inside(X, Y, W, H)) return 0; + handle_push(); + case FL_DRAG: { + + double val; + if (minimum() == maximum()) + val = 0.5; + else { + val = (value()-minimum())/(maximum()-minimum()); + if (val > 1.0) val = 1.0; + else if (val < 0.0) val = 0.0; + } + + int ww = (horizontal() ? W : H); + int mx = (horizontal() ? Fl::event_x()-X : Fl::event_y()-Y); + int S; + static int offcenter; + + if (type() == FL_HOR_FILL_SLIDER || type() == FL_VERT_FILL_SLIDER) { + + S = 0; + if (event == FL_PUSH) { + int xx = int(val*ww+.5); + offcenter = mx-xx; + if (offcenter < -10 || offcenter > 10) offcenter = 0; + else return 1; + } + + } else { + + S = int(slider_size_*ww+.5); if (S >= ww) return 0; + 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; + if (event == FL_PUSH) { + int xx = int(val*(ww-S)+.5); + offcenter = mx-xx; + if (offcenter < 0) offcenter = 0; + else if (offcenter > S) offcenter = S; + else return 1; + } + } + + int xx = mx-offcenter; + double v; + char tryAgain = 1; + while (tryAgain) + { + tryAgain = 0; + if (xx < 0) { + xx = 0; + offcenter = mx; if (offcenter < 0) offcenter = 0; + } else if (xx > (ww-S)) { + xx = ww-S; + offcenter = mx-xx; if (offcenter > S) offcenter = S; + } + v = round(xx*(maximum()-minimum())/(ww-S) + minimum()); + // make sure a click outside the sliderbar moves it: + if (event == FL_PUSH && v == value()) { + offcenter = S/2; + event = FL_DRAG; + tryAgain = 1; + } + } + handle_drag(clamp(v)); + } return 1; + case FL_RELEASE: + handle_release(); + return 1; + case FL_KEYBOARD : + switch (Fl::event_key()) { + case FL_Up: + if (horizontal()) return 0; + handle_push(); + handle_drag(clamp(increment(value(),-1))); + handle_release(); + return 1; + case FL_Down: + if (horizontal()) return 0; + handle_push(); + handle_drag(clamp(increment(value(),1))); + handle_release(); + return 1; + case FL_Left: + if (!horizontal()) return 0; + handle_push(); + handle_drag(clamp(increment(value(),-1))); + handle_release(); + return 1; + case FL_Right: + if (!horizontal()) return 0; + handle_push(); + handle_drag(clamp(increment(value(),1))); + handle_release(); + 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; + } +} + +int Fl_Slider::handle(int event) { + if (event == FL_PUSH && Fl::visible_focus()) { + Fl::focus(this); + redraw(); + } + + return handle(event, + x()+Fl::box_dx(box()), + y()+Fl::box_dy(box()), + w()-Fl::box_dw(box()), + h()-Fl::box_dh(box())); +} + +// +// End of "$Id: Fl_Slider.cxx 5438 2006-09-17 14:58:25Z mike $". +// -- cgit v1.3.1