f09e17c3c5
- remove obsolete svn '$Id$' tags from all source files - update .fl files and generated files accordingly - replace 'http://www.fltk.org' URL's with 'https://...' - replace bug report URL 'str.php' with 'bugs.php' - remove trailing whitespace - fix other whitespace errors flagged by Git - add and/or fix missing or wrong standard headers - convert tabs to spaces in all source files The only relevant code changes are in the fluid/ folder where some .fl files and other source files were used to generate the '$Id' headers and footers.
94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
//
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// Value output widget for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2010 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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// Fltk widget for drag-adjusting a floating point value.
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// This is much lighter than Fl_Value_Input because it has no text editor
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// If step() is zero then it can be used to display a floating-point value
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#include <FL/Fl.H>
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#include <FL/Fl_Value_Output.H>
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#include <FL/fl_draw.H>
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void Fl_Value_Output::draw() {
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Fl_Boxtype b = box() ? box() : FL_DOWN_BOX;
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int X = x()+Fl::box_dx(b);
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int Y = y()+Fl::box_dy(b);
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int W = w()-Fl::box_dw(b);
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int H = h()-Fl::box_dh(b);
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if (damage()&~FL_DAMAGE_CHILD)
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draw_box(b, color());
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else {
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fl_color(color());
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fl_rectf(X, Y, W, H);
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}
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char buf[128];
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format(buf);
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fl_color(active_r() ? textcolor() : fl_inactive(textcolor()));
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fl_font(textfont(), textsize());
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fl_draw(buf,X,Y,W,H,FL_ALIGN_LEFT);
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}
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int Fl_Value_Output::handle(int event) {
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if (!step()) return 0;
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double v;
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int delta;
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int mx = Fl::event_x();
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static int ix, drag;
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switch (event) {
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case FL_PUSH:
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ix = mx;
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drag = Fl::event_button();
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handle_push();
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return 1;
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case FL_DRAG:
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delta = Fl::event_x()-ix;
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if (delta > 5) delta -= 5;
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else if (delta < -5) delta += 5;
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else delta = 0;
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switch (drag) {
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case 3: v = increment(previous_value(),delta*100); break;
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case 2: v = increment(previous_value(),delta*10); break;
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default:v = increment(previous_value(),delta); break;
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}
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v = round(v);
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handle_drag(soft()?softclamp(v):clamp(v));;
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return 1;
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case FL_RELEASE:
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handle_release();
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return 1;
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case FL_ENTER :
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case FL_LEAVE :
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return 1;
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default:
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return 0;
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}
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}
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/**
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Creates a new Fl_Value_Output widget using the given
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position, size, and label string. The default boxtype is FL_NO_BOX.
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<P> Inherited destructor destroys the Valuator.
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*/
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Fl_Value_Output::Fl_Value_Output(int X, int Y, int W, int H,const char *l)
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: Fl_Valuator(X,Y,W,H,l) {
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box(FL_NO_BOX);
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align(FL_ALIGN_LEFT);
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textfont_ = FL_HELVETICA;
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textsize_ = FL_NORMAL_SIZE;
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textcolor_ = FL_FOREGROUND_COLOR;
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soft_ = 0;
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}
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