static int iDialMotionHorizontal_CB(Ihandle* ih, int x, int y, char *status)
{
IFn cb;
if (!iup_isbutton1(status))
return IUP_DEFAULT;
y = cdIupInvertYAxis(y, ih->data->h);
ih->data->angle += (double)(x-ih->data->px) / ih->data->radius;
ih->data->px = x;
iDialRepaint(ih);
cb = (IFn)IupGetCallback(ih, "VALUECHANGED_CB");
if (cb)
cb(ih);
else
{
IFnd cb_old = (IFnd) IupGetCallback(ih, "MOUSEMOVE_CB");
if (cb_old)
cb_old(ih, ih->data->angle * ih->data->unit);
}
return IUP_DEFAULT;
}
static int iDialButtonPress(Ihandle* ih, int button, int x, int y)
{
IFn cb;
if (button!=IUP_BUTTON1)
return IUP_DEFAULT;
y = cdIupInvertYAxis(y, ih->data->h);
ih->data->px = x;
ih->data->py = y;
if (ih->data->orientation != IDIAL_CIRCULAR)
ih->data->angle=0;
cb = (IFn)IupGetCallback(ih, "VALUECHANGED_CB");
if (cb)
cb(ih);
else
{
IFnd cb_old = (IFnd) IupGetCallback(ih, "BUTTON_PRESS_CB");
if (cb_old)
cb_old(ih, ih->data->angle * ih->data->unit);
}
return IUP_DEFAULT;
}
static int iDialMotionCircular_CB(Ihandle* ih, int x, int y, char *status)
{
int cx = ih->data->w / 2;
int cy = ih->data->h / 2;
double vet, xa, ya, xb, yb, ma, mb, ab;
IFn cb;
if (!iup_isbutton1(status))
return IUP_DEFAULT;
y = cdIupInvertYAxis(y, ih->data->h);
xa = ih->data->px-cx;
ya = ih->data->py-cy;
ma = sqrt(xa * xa + ya * ya);
xb = x - cx;
yb = y - cy;
mb = sqrt(xb * xb + yb * yb);
ab = xa * xb + ya * yb;
vet = xa * yb - xb * ya;
ab = ab / (ma * mb);
/* if the mouse is in the center of the dial, ignore it */
if (ma == 0 || mb == 0 || ab < -1 || ab > 1)
return IUP_DEFAULT;
if (vet>0) ih->data->angle += acos(ab);
else ih->data->angle -= acos(ab);
iDialRepaint(ih);
ih->data->px = x;
ih->data->py = y;
cb = (IFn)IupGetCallback(ih, "VALUECHANGED_CB");
if (cb)
cb(ih);
else
{
IFnd cb_old = (IFnd) IupGetCallback(ih, "MOUSEMOVE_CB");
if (cb_old)
cb_old(ih, ih->data->angle * ih->data->unit);
}
return IUP_DEFAULT;
}
static int iCellsButton_CB(Ihandle* ih, int b, int m, int x, int y, char* r)
{
int i, j;
IFniiiiiis cb;
y = cdIupInvertYAxis(y, ih->data->h);
/* Treating the button event. The application will receive
* a button press callback. */
cb = (IFniiiiiis)IupGetCallback(ih, "MOUSECLICK_CB");
if (!cb)
return IUP_DEFAULT;
iCellsGetCoord(ih, x, y, &i, &j);
return cb(ih, b, m, i, j, x, y, r);
}
static int iColorbarButton_CB(Ihandle* ih, int b, int m, int x, int y, char* r)
{
int idx;
if (m == 0)
return IUP_DEFAULT;
y = cdIupInvertYAxis(y, ih->data->h);
if (b == IUP_BUTTON1 && iup_isdouble(r))
{
idx = iColorbarGetIndexColor(ih, x, y);
if (idx < 0 || idx >= ih->data->num_cells)
{
int ret = iColorbarCheckPreview(ih, x, y);
if (ret)
{
if (ret == 1)
{
IFnii switch_cb = (IFnii)IupGetCallback(ih, "SWITCH_CB");
if (!ih->data->show_secondary)
return IUP_DEFAULT;
if (switch_cb && switch_cb(ih, ih->data->fgcolor_idx, ih->data->bgcolor_idx) == IUP_IGNORE)
return IUP_DEFAULT;
/* the application allow to switch the indices */
idx = ih->data->fgcolor_idx;
ih->data->fgcolor_idx = ih->data->bgcolor_idx;
ih->data->bgcolor_idx = idx;
iColorbarRenderPartsRepaint(ih, 1, ICOLORBAR_RENDER_NONE); /* only the preview area is rendered */
}
else
{
if (ret == IUP_PRIMARY)
idx = ih->data->fgcolor_idx;
else
idx = ih->data->bgcolor_idx;
iColorbarCallCellCb(ih, idx);
}
}
return IUP_DEFAULT;
}
ih->data->focus_cell = idx;
iColorbarCallCellCb(ih, idx);
}
else if (b == IUP_BUTTON1)
{
idx = iColorbarGetIndexColor(ih, x, y);
if (idx < 0 || idx >= ih->data->num_cells)
return IUP_DEFAULT;
ih->data->focus_cell = idx;
iColorbarCallSelectCb(ih, idx, IUP_PRIMARY);
}
else if (b == IUP_BUTTON3 && iup_isshift(r))
{
idx = iColorbarGetIndexColor(ih, x, y);
if (idx < 0 || idx >= ih->data->num_cells)
return IUP_DEFAULT;
ih->data->focus_cell = idx;
iColorbarCallExtentedCb(ih, idx);
}
else if (b == IUP_BUTTON3)
{
idx = iColorbarGetIndexColor(ih, x, y);
if (idx < 0 || idx >= ih->data->num_cells)
return IUP_DEFAULT;
ih->data->focus_cell = idx;
iColorbarCallSelectCb(ih, idx, IUP_SECONDARY);
}
return IUP_DEFAULT;
}
