Hi, I'm sorry to disturb you with a so basic question.
The posted source code implements a rough button moving by drag and drop in a
resizable window.
If I move the button and then I maximize or resize the window, the buttton is
moved and scaled as expected.
But if I first maximize the window and and then I move the button and after
that I restore the window size, the button appears on its original location.
What am I missing? How can I preserve the changes done during the maximized
state?
Thanks in advance,
David
#include <stdlib.h>
#include <stdio.h>
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Button.H>
#include <FL/fl_draw.H>
class MyButton: public Fl_Button
{
public:
MyButton (int x, int y, int w, int h) : Fl_Button (x,y,w,h) {};
virtual int handle (int evt);
};
int MyButton::handle (int evt)
{
static int drag = 0;
switch (evt)
{
case FL_ENTER:
fl_cursor (FL_CURSOR_HAND);
break;
case FL_LEAVE:
fl_cursor (FL_CURSOR_DEFAULT);
break;
case FL_DRAG:
drag = 1;
fl_cursor (FL_CURSOR_MOVE);
break;
case FL_RELEASE:
if (drag) //It's the end of a dragging
{
fl_cursor (FL_CURSOR_DEFAULT);
position (x() + Fl::event_x(), y() +
Fl::event_y()); //Move object
drag = 0;
this->parent()->redraw ();
}
break;
}
return 1;
};
int main(int argc, char **argv) {
Fl_Window *window = new Fl_Window(0,0, 400,400);
MyButton *david = new MyButton(10,0,100,40);
window->resizable(window);
window->end ();
window->show(argc, argv);
return Fl::run();
}
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