static void gtkDialogSetMinMax(Ihandle* ih, int min_w, int min_h, int max_w, int max_h)
{
/* The minmax size restricts the client area */
GdkGeometry geometry;
int decorwidth = 0, decorheight = 0;
iupDialogGetDecorSize(ih, &decorwidth, &decorheight);
geometry.min_width = 1;
if (min_w > decorwidth)
geometry.min_width = min_w-decorwidth;
geometry.min_height = 1;
if (min_h > decorheight)
geometry.min_height = min_h-decorheight;
geometry.max_width = 65535;
if (max_w > decorwidth && max_w > geometry.min_width)
geometry.max_width = max_w-decorwidth;
geometry.max_height = 65535;
if (max_h > decorheight && max_w > geometry.min_height)
geometry.max_height = max_h-decorheight;
/* must set both at the same time, or GTK will assume its default */
gtk_window_set_geometry_hints((GtkWindow*)ih->handle, ih->handle,
&geometry, (GdkWindowHints)(GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE));
}
static void iDialogComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
{
int decorwidth, decorheight;
Ihandle* child = ih->firstchild;
/* if does not have a menu, but the attribute is defined,
try to update the menu before retrieving the decoration. */
char* value = iupAttribGet(ih, "MENU");
if (!ih->data->menu && value)
iDialogSetMenuAttrib(ih, value);
iupDialogGetDecorSize(ih, &decorwidth, &decorheight);
*w = decorwidth;
*h = decorheight;
if (child)
{
/* update child natural size first */
iupBaseComputeNaturalSize(child);
*children_expand = child->expand;
*w += child->naturalwidth;
*h += child->naturalheight;
}
}
static int motDialogSetMaxSizeAttrib(Ihandle* ih, const char* value)
{
int decorwidth = 0, decorheight = 0;
int max_w = 65535, max_h = 65535; /* MAXSIZE default value */
iupStrToIntInt(value, &max_w, &max_h, 'x');
/* The minmax size restricts the client area */
iupDialogGetDecorSize(ih, &decorwidth, &decorheight);
if (max_w > decorwidth)
XtVaSetValues(ih->handle, XmNmaxWidth, max_w-decorwidth, NULL);
if (max_h > decorheight)
XtVaSetValues(ih->handle, XmNmaxHeight, max_h-decorheight, NULL);
return 1;
}
static void iDialogSetCurrentSizeMethod(Ihandle* ih, int w, int h, int shrink)
{
/* width and height parameters here are ignored, because they are always 0 for the dialog. */
(void)w;
(void)h;
/* current size is zero before map and when reset by the application */
/* after that the current size must follow the actual size of the dialog */
if (!ih->currentwidth)
ih->currentwidth = ih->naturalwidth;
if (!ih->currentheight)
ih->currentheight = ih->naturalheight;
if (ih->firstchild)
{
int decorwidth, decorheight, client_width, client_height;
if (shrink)
{
client_width = ih->currentwidth;
client_height = ih->currentheight;
}
else
{
client_width = iupMAX(ih->naturalwidth, ih->currentwidth);
client_height = iupMAX(ih->naturalheight, ih->currentheight);
}
iupDialogGetDecorSize(ih, &decorwidth, &decorheight);
client_width -= decorwidth;
client_height -= decorheight;
iupClassObjectSetCurrentSize(ih->firstchild, client_width, client_height, shrink);
}
}
static void iDialogSetChildrenCurrentSizeMethod(Ihandle* ih, int shrink)
{
int decorwidth, decorheight, client_width, client_height;
if (shrink)
{
client_width = ih->currentwidth;
client_height = ih->currentheight;
}
else
{
client_width = iupMAX(ih->naturalwidth, ih->currentwidth);
client_height = iupMAX(ih->naturalheight, ih->currentheight);
}
iupDialogGetDecorSize(ih, &decorwidth, &decorheight);
client_width -= decorwidth;
client_height -= decorheight;
if (client_width < 0) client_width = 0;
if (client_height < 0) client_height = 0;
iupBaseSetCurrentSize(ih->firstchild, client_width, client_height, shrink);
}
static void iDialogComputeNaturalSizeMethod(Ihandle* ih)
{
iupBaseContainerUpdateExpand(ih);
/* always initialize the natural size using the user size */
ih->naturalwidth = ih->userwidth;
ih->naturalheight = ih->userheight;
/* the dialog has only one child */
if (ih->firstchild)
{
int decorwidth, decorheight;
Ihandle* child = ih->firstchild;
iupDialogGetDecorSize(ih, &decorwidth, &decorheight);
/* update child natural size first */
iupClassObjectComputeNaturalSize(child);
ih->expand |= child->expand;
ih->naturalwidth = iupMAX(ih->naturalwidth, child->naturalwidth + decorwidth);
ih->naturalheight = iupMAX(ih->naturalheight, child->naturalheight + decorheight);
}
}
