?? scroll.cxx
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//// "$Id: scroll.cxx,v 1.1.1.1 2003/08/07 21:18:42 jasonk Exp $"//// Fl_Scroll test program for the Fast Light Tool Kit (FLTK).//// Copyright 1998-1999 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 to "fltk-bugs@easysw.com".//#include <FL/Fl.H>#include <FL/Fl_Double_Window.H>#include <FL/Fl_Scroll.H>#include <FL/Fl_Toggle_Button.H>#include <FL/Fl_Choice.H>#include <FL/Fl_Box.H>#include <string.h>#include <stdio.h>#include <FL/fl_draw.H>#include <FL/math.h>class Drawing : public Fl_Widget { void draw();public: Drawing(int X,int Y,int W,int H,const char* L) : Fl_Widget(X,Y,W,H,L) { align(FL_ALIGN_TOP); box(FL_FLAT_BOX); color(FL_WHITE); }};void Drawing::draw() { draw_box(); fl_push_matrix(); fl_translate(x()+w()/2, y()+h()/2); fl_scale(w()/2, h()/2); fl_color(FL_BLACK); for (int i = 0; i < 20; i++) { for (int j = i+1; j < 20; j++) { fl_begin_line(); fl_vertex(cos(M_PI*i/10+.1), sin(M_PI*i/10+.1)); fl_vertex(cos(M_PI*j/10+.1), sin(M_PI*j/10+.1)); fl_end_line(); } } fl_pop_matrix();}Fl_Scroll* thescroll;void box_cb(Fl_Widget* o, void*) { thescroll->box(((Fl_Button*)o)->value() ? FL_DOWN_FRAME : FL_NO_BOX); thescroll->redraw();}void type_cb(Fl_Widget*, void* v) { thescroll->type(int(v)); thescroll->redraw();}Fl_Menu_Item choices[] = { {"0", 0, type_cb, (void*)0}, {"HORIZONTAL", 0, type_cb, (void*)Fl_Scroll::HORIZONTAL}, {"VERTICAL", 0, type_cb, (void*)Fl_Scroll::VERTICAL}, {"BOTH", 0, type_cb, (void*)Fl_Scroll::BOTH}, {"HORIZONTAL_ALWAYS", 0, type_cb, (void*)Fl_Scroll::HORIZONTAL_ALWAYS}, {"VERTICAL_ALWAYS", 0, type_cb, (void*)Fl_Scroll::VERTICAL_ALWAYS}, {"BOTH_ALWAYS", 0, type_cb, (void*)Fl_Scroll::BOTH_ALWAYS}, {0}};void align_cb(Fl_Widget*, void* v) { thescroll->scrollbar.align(int(v)); thescroll->redraw();}Fl_Menu_Item align_choices[] = { {"left+top", 0, align_cb, (void*)(FL_ALIGN_LEFT+FL_ALIGN_TOP)}, {"left+bottom", 0, align_cb, (void*)(FL_ALIGN_LEFT+FL_ALIGN_BOTTOM)}, {"right+top", 0, align_cb, (void*)(FL_ALIGN_RIGHT+FL_ALIGN_TOP)}, {"right+bottom", 0, align_cb, (void*)(FL_ALIGN_RIGHT+FL_ALIGN_BOTTOM)}, {0}};int main(int argc, char** argv) { Fl_Window window(5*75,400); window.box(FL_NO_BOX); Fl_Scroll scroll(0,0,5*75,300); int n = 0; for (int y=0; y<16; y++) for (int x=0; x<5; x++) { char buf[20]; sprintf(buf,"%d",n++); Fl_Button* b = new Fl_Button(x*75,y*25+(y>=8?5*75:0),75,25,strdup(buf)); b->color(n); b->labelcolor(FL_WHITE); } Drawing drawing(0,8*25,5*75,5*75,0); scroll.end(); window.resizable(scroll); Fl_Box box(0,300,5*75,window.h()-300); // gray area below the scroll box.box(FL_FLAT_BOX); Fl_Toggle_Button but1(150, 310, 200, 25, "box"); but1.callback(box_cb); Fl_Choice choice(150, 335, 200, 25, "type():"); choice.menu(choices); choice.value(3); Fl_Choice achoice(150, 360, 200, 25, "scrollbar.align():"); achoice.menu(align_choices); achoice.value(3); thescroll = &scroll; //scroll.box(FL_DOWN_BOX); //scroll.type(Fl_Scroll::VERTICAL); window.end(); window.show(argc,argv); return Fl::run();}//// End of "$Id: scroll.cxx,v 1.1.1.1 2003/08/07 21:18:42 jasonk Exp $".//
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