sorry, a line was copied to the wrong position - here's a corrected version.
thanks & bye
testalucida
#include <stdio.h>
#include <string.h>
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Menu_Bar.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Scroll.H>
#include <FL/fl_draw.H>
#define _menuFile (menu__menubar+0)
int g_cnt = 0;
class Bar;
Fl_Double_Window *_mainwin = NULL;
Bar * _bar = NULL;
int _colwidth = 100;
void linedrawn( int x );
/////////////////////////////////////////////////////////////////////////
class Canvas : public Fl_Group {
public:
Canvas( int X, int Y, int W, int H ) : Fl_Group( X, Y, W, H, "canvas" )
{
box(FL_FLAT_BOX);
color( (Fl_Color)197 );
}
protected:
void draw() {
fprintf( stderr, "%d) Canvas::draw(): x=%d, y=%d\n", ++g_cnt,
x(), y() );
Fl_Group::draw();
drawLines();
}
private:
void drawLines() {
int xx = x();
int yy = y();
int ww = w();
int hh = h();
int endY = yy + hh;
fl_color( FL_BLACK );
for( int dx = 0; dx <= ww; dx += _colwidth ) {
int x = xx + dx;
fl_line( x, yy, x, endY );
linedrawn( x );
}
}
};
/////////////////////////////////////////////////////////////////////////
class Scroll : public Fl_Scroll {
public:
Scroll( int X, int Y, int W, int H ) : Fl_Scroll( X, Y, W, H, "scroll"
) {
box(FL_FLAT_BOX);
color((Fl_Color)196);
align(Fl_Align(FL_ALIGN_CENTER));
}
protected:
void draw() {
fprintf( stderr, "%d) Scroll::draw(): x=%d, y=%d\n", ++g_cnt,
x(), y() );
Fl_Scroll::draw();
}
};
/////////////////////////////////////////////////////////////////////////
class Bar : public Fl_Widget {
char _buf[12];
public:
Bar( int X, int Y, int W, int H ) : Fl_Widget( X, Y, W, H, "bar" ) {
color( (Fl_Color)187 );
//this->box( FL_FLAT_BOX );
_bar = this;
}
void drawLine( int x ) {
fprintf( stderr, "%d) Bar::drawLine(): x=%d\n", ++g_cnt, x );
sprintf( _buf, "%d", x );
damage( FL_DAMAGE_ALL );
draw();
}
protected:
void draw() {
fprintf( stderr, "%d) Bar::draw()\n", ++g_cnt );
color( FL_BLACK );
fl_draw( _buf, 50, y()+20 );
}
};
/////////////////////////////////////////////////////////////////////////
class Group : public Fl_Group {
private:
Bar * _pBar;
Scroll * _pScroll;
Canvas * _pCanvas;
public:
Group( int X, int Y, int W, int H ) : Fl_Group( X, Y, W, H, "group" ) {
align(Fl_Align(FL_ALIGN_CENTER));
_pBar = new Bar( X, Y, W, 40 );
_pScroll = new Scroll( X, Y+50, W, H-50 );
_pCanvas = new Canvas( X, Y+50, 800, 800 );
_pCanvas->end();
_pScroll->end();
resizable( _pScroll );
end();
}
protected:
void draw() {
fprintf( stderr, "%d) Group::draw()\n", ++g_cnt );
Fl_Group::draw();
_pBar->damage( FL_DAMAGE_ALL );
_pBar->redraw();
}
};
void linedrawn( int x ) {
_bar->drawLine( x );
}
//----------------------------------------------------//
Fl_Menu_Bar *_menubar=(Fl_Menu_Bar *)0;
Fl_Menu_Item menu__menubar[] = {
{"File", 0, 0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
{0,0,0,0,0,0,0,0,0}
};
int main(int argc, char **argv) {
{ _mainwin = new Fl_Double_Window(500, 400);
{ _menubar = new Fl_Menu_Bar(0, 0, 500, 20, "menubar");
_menubar->menu(menu__menubar);
} // Fl_Menu_Bar* _menubar
{ Group * group = new Group(0, 20, 500, 380 );
Fl_Group::current()->resizable( group );
} // Fl_Group* _group
_mainwin->end();
} // Fl_Double_Window* _mainwin
_mainwin->show(argc, argv);
return Fl::run();
}
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