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/** \file
* \brief show/popup/hide/map
*
* See Copyright Notice in "iup.h"
*/
#include <stdlib.h>
#include <stdarg.h>
#include "iup.h"
#include "iup_object.h"
#include "iup_layout.h"
#include "iup_attrib.h"
#include "iup_class.h"
#include "iup_dialog.h"
#include "iup_menu.h"
#include "iup_assert.h"
#include "iup_str.h"
#include "iup_drv.h"
#include "iup_drvfont.h"
void IupUnmap(Ihandle *ih)
{
iupASSERT(iupObjectCheck(ih));
if (!iupObjectCheck(ih))
return;
/* Invalid if it is NOT mapped. */
if (!ih->handle)
return;
/* unmap children */
{
Ihandle* child = ih->firstchild;
while (child)
{
IupUnmap(child);
child = child->brother;
}
}
/* only call UNMAP_CB for controls that have a native representation */
if (ih->iclass->nativetype != IUP_TYPEVOID)
{
Icallback unmap_cb = IupGetCallback(ih, "UNMAP_CB");
if (unmap_cb) unmap_cb(ih);
}
/* unmap from the native system */
iupClassObjectUnMap(ih);
ih->handle = NULL;
}
static char* iShowGetVisible(Ihandle* ih)
{
char* value = iupAttribGet(ih, "VISIBLE"); /* Check on the element first */
while (!value)
{
ih = ih->parent; /* iheritance here independs on the attribute */
if (!ih)
return NULL;
value = iupAttribGet(ih, "VISIBLE");
/* only recursive up to the native parent */
if (ih->iclass->nativetype != IUP_TYPEVOID)
return value; /* can be NULL */
}
return value;
}
static void iShowUpdateVisible(Ihandle* ih)
{
int inherit;
/* although default is VISIBLE=YES,
when mapped the element is still hidden.
So we must manually update the visible state. */
char* value = iShowGetVisible(ih);
iupClassObjectSetAttribute(ih, "VISIBLE", value, &inherit);
}
int IupMap(Ihandle* ih)
{
iupASSERT(iupObjectCheck(ih));
if (!iupObjectCheck(ih))
return IUP_INVALID;
/* calculate position and size for all children */
if (ih->iclass->nativetype == IUP_TYPEDIALOG)
iupLayoutCompute(ih);
/* already mapped */
if (ih->handle)
{
if (ih->iclass->nativetype == IUP_TYPEDIALOG)
iupLayoutUpdate(ih);
return IUP_NOERROR;
}
/* map to the native system */
if (iupClassObjectMap(ih) == IUP_ERROR)
{
iupERROR("Error during IupMap.");
return IUP_ERROR;
}
/* update FONT, must be the before several others */
if (ih->iclass->nativetype != IUP_TYPEVOID &&
ih->iclass->nativetype != IUP_TYPEIMAGE &&
ih->iclass->nativetype != IUP_TYPEMENU)
iupUpdateStandardFontAttrib(ih);
/* ensure attributes default values, at this time only the ones that need to be set after map */
iupClassObjectEnsureDefaultAttributes(ih);
/* check visible state if not a dialog */
if (ih->iclass->nativetype == IUP_TYPECANVAS ||
ih->iclass->nativetype == IUP_TYPECONTROL)
iShowUpdateVisible(ih);
/* updates the defined attributes in the native system. */
iupAttribUpdate(ih);
/* updates attributes defined in the parent tree */
iupAttribUpdateFromParent(ih);
/* map children */
{
Ihandle* child = ih->firstchild;
while (child)
{
if (IupMap(child) == IUP_ERROR)
return IUP_ERROR;
child = child->brother;
}
}
/* moves and resizes the elements to reflect the layout computation */
/* if the dialog is visible will be reflected in the user interface */
if (ih->iclass->nativetype == IUP_TYPEDIALOG)
iupLayoutUpdate(ih);
/* only call MAP_CB for controls that have a native representation */
if (ih->iclass->nativetype != IUP_TYPEVOID)
{
Icallback map_cb = IupGetCallback(ih, "MAP_CB");
if (map_cb) map_cb(ih);
}
return IUP_NOERROR;
}
int IupPopup(Ihandle *ih, int x, int y)
{
int ret;
iupASSERT(iupObjectCheck(ih));
if (!iupObjectCheck(ih))
return IUP_INVALID;
if (ih->iclass->nativetype != IUP_TYPEDIALOG &&
ih->iclass->nativetype != IUP_TYPEMENU)
{
iupERROR("Must be a menu or dialog in IupPopup.");
return IUP_INVALID;
}
ret = IupMap(ih);
if (ret == IUP_ERROR)
return ret;
if (ih->iclass->nativetype == IUP_TYPEDIALOG)
ret = iupDialogPopup(ih, x, y);
else
ret = iupMenuPopup(ih, x, y);
if (ret != IUP_NOERROR)
{
iupERROR("Error during IupPopup.");
return ret;
}
return IUP_NOERROR;
}
int IupShowXY(Ihandle *ih, int x, int y)
{
int ret;
iupASSERT(iupObjectCheck(ih));
if (!iupObjectCheck(ih))
return IUP_INVALID;
if (ih->iclass->nativetype != IUP_TYPEDIALOG)
{
iupERROR("Must be a dialog in IupShowXY.");
return IUP_INVALID;
}
ret = IupMap(ih);
if (ret == IUP_ERROR)
return ret;
ret = iupDialogShowXY(ih, x, y);
if (ret != IUP_NOERROR)
{
iupERROR("Error during IupShowXY.");
return ret;
}
return IUP_NOERROR;
}
int IupShow(Ihandle* ih)
{
iupASSERT(iupObjectCheck(ih));
if (!iupObjectCheck(ih))
return IUP_INVALID;
if (ih->iclass->nativetype != IUP_TYPEDIALOG)
IupSetAttribute(ih, "VISIBLE", "YES");
else
{
int ret = IupMap(ih);
if (ret == IUP_ERROR)
return ret;
ret = iupDialogShowXY(ih, IUP_CURRENT, IUP_CURRENT);
if (ret != IUP_NOERROR)
{
iupERROR("Error during IupShow.");
return ret;
}
}
return IUP_NOERROR;
}
int IupHide(Ihandle* ih)
{
iupASSERT(iupObjectCheck(ih));
if (!iupObjectCheck(ih))
return IUP_INVALID;
if (ih->iclass->nativetype != IUP_TYPEDIALOG)
IupSetAttribute(ih, "VISIBLE", "NO");
else if (ih->handle)
iupDialogHide(ih);
return IUP_NOERROR;
}
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