/* examples/canvas/taille.c */

#include <helium.h>

He_node *princ, *panel1, *panel2, *canvas, *mess1;

void princ_resize_proc (He_node *hn, int width, int height)
{
    /* ajuste largeurs panels */
    HeSetWidth (panel1, width);
    HeSetWidth (panel2, width);

    /* met le panel2 en bas */
    HeJustify (panel2, NULL, HE_BOTTOM);
    
    /* le canvas prend toute la place disponible */
    HeExpand (canvas, panel2, HE_BOTTOM);
    HeExpand (canvas, NULL, HE_RIGHT);
}

void canvas_resize_proc (He_node *hn, int width, int height)
{
    char bla[100];
    sprintf (bla, "Canvas %d x %d", width, height);
    HeSetMessageLabel (mess1, bla);
}

void butt_proc (He_node *hn)
{
    HeQuit(0);
}

int main (int argc, char *argv[])
{
    HeInit (&argc, &argv);

    princ = HeCreateFrame();
    HeSetFrameLabel (princ, "Canvas redimensionnée");
    HeSetFrameResizeProc (princ, princ_resize_proc);

    panel1 = HeCreatePanel (princ);
    HeCreateButtonP (panel1, "Quit", butt_proc, NULL);
    HeFit(panel1);

    canvas = HeCreateCanvas (princ);
    HeJustify (canvas, panel1, HE_TOP);
    HeSetWidth (canvas, 300);
    HeSetHeight (canvas, 300);
    HeSetCanvasResizeProc (canvas, canvas_resize_proc);

    panel2 = HeCreatePanel (princ);
    HeJustify (panel2, canvas, HE_TOP);

    mess1 = HeCreateMessageP (panel2, NULL, FALSE);
    HeFit(panel2);

    HeFit (princ);

    return HeMainLoop (princ);
}