7407d9c8d0
add example(s) showing Albrecht's innovative overlap resizable technique to the "How does resizing work?" documentation and tests See "resizable question" original discussion thread under: https://www.fltk.org/newsgroups.php?gfltk.general+v:39635
123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
//
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// Resize example for use in the Fast Light Tool Kit (FLTK) documentation.
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//
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// See Article #415: How does resizing work?
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// https://www.fltk.org/articles.php?L415
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//
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// Copyright 1998-2020 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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#include "resize-arrows.h"
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#include <FL/Fl_Double_Window.H>
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// window, simplex and arrow dimensions
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int TLx = 35, TRx = 320, TLw = 260, Ww = 620;
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int TLy = 35, LGy = 125, TLh = 90, LGh = 70, LAh = 35, Wh = 200;
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Fl_Double_Window *window = 0;
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class Simplex : public Fl_Group {
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public:
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Simplex(int X, int Y, int W, int H, const char *T = 0);
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Fl_Box *m_boxA, *m_boxB, *m_boxC, *m_boxI;
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Fl_Group *m_group, *m_groupL, *m_groupR;
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};
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Simplex::Simplex(int X, int Y, int W, int H, const char *T)
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: Fl_Group(X, Y, W, H, T) {
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this->box(FL_UP_BOX);
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m_group = new Fl_Group(X + 10, Y + 10, 240, 70);
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m_group->box(FL_UP_BOX);
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m_groupL = new Fl_Group(X + 10, Y + 15, 145, 35, "AB group");
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m_groupL->align(FL_ALIGN_BOTTOM_LEFT);
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m_groupL->box(FL_UP_BOX);
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m_groupL->color(FL_RED);
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m_groupL->labelcolor(FL_RED);
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m_boxA = new Fl_Box(X + 20, Y + 20, 80, 25, "A");
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m_boxA->box(FL_UP_BOX);
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m_boxA->color(FL_YELLOW);
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m_boxB = new Fl_Box(X + 110, Y + 20, 40, 25, "B");
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m_boxB->box(FL_UP_BOX);
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m_groupL->resizable(m_boxA);
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m_groupL->end();
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m_groupR = new Fl_Group(X + 155, Y + 15, 95, 35, "C group");
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m_groupR->align(FL_ALIGN_BOTTOM_RIGHT);
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m_groupR->box(FL_UP_BOX);
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m_groupR->color(FL_BLUE);
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m_groupR->labelcolor(FL_BLUE);
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m_boxC = new Fl_Box(X + 160, Y + 20, 80, 25, "C");
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m_boxC->box(FL_UP_BOX);
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m_boxC->color(FL_YELLOW);
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m_groupR->resizable(m_boxC);
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m_groupR->end();
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int d = 20;
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m_boxI = new Fl_Box(X + 155 - d, Y + 55, 2 * d, 10);
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m_boxI->box(FL_UP_BOX);
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m_boxI->color(FL_YELLOW);
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m_group->resizable(m_boxI);
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m_group->end();
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this->resizable(m_group);
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this->end();
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}
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class Resizables : public Fl_Group {
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public:
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Resizables(int X, int Y, int W, int H, const char *T = 0);
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Simplex *TL, *TR; // top left, top right
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Harrow *LA, *RA; // left arrow, right arrow
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};
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Resizables::Resizables(int X, int Y, int W, int H, const char *T)
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: Fl_Group(X, Y, W, H, T) {
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TL = new Simplex(X + TLx, Y + TLy, TLw, TLh, "Original");
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TL->align(FL_ALIGN_TOP_LEFT);
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TR = new Simplex(X + TRx, Y + TLy, TLw, TLh, "Horizontally Resized");
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TR->align(FL_ALIGN_TOP_LEFT);
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Fl_Group *LG = new Fl_Group(X + TLx, Y + LGy, TLw, LGh);
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LG->box(FL_NO_BOX);
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LG->color(FL_WHITE);
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LA = new Harrow(TL->m_boxI->x(), LG->y(), TL->m_boxI->w(), LAh, "Initial\nwidth");
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LG->resizable(LA);
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LG->end();
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Fl_Group *RG = new Fl_Group(X + TRx, Y + LGy, TLw, LGh);
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RG->box(FL_NO_BOX);
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RG->color(FL_WHITE);
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RA = new Harrow(TR->m_boxI->x(), RG->y(), TR->m_boxI->w(), LAh, "Resized\nwidth");
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RG->resizable(RA);
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RG->end();
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this->resizable(TR);
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this->end();
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}
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int main(int argc, char **argv) {
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window = new Fl_Double_Window(Ww, Wh, "resize-example5b");
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window->color(FL_WHITE);
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Resizables *resizables = new Resizables(0, 0, Ww, Wh);
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window->end();
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window->resizable(resizables);
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window->size_range(Ww, Wh);
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window->show(argc, argv);
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window->size(Ww + 90, Wh);
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return Fl::run();
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}
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