jcoordinatelayout.cpp
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "Stdafx.h"
#include "jcoordinatelayout.h"
#include "jmath.h"
namespace jgui {
CoordinateLayout::CoordinateLayout(int width, int height, jcoordinate_layout_t type):
jcommon::Object()
{
jcommon::Object::SetClassName("jgui::CoordinateLayout");
if (width <= 0 || height <= 0) {
// throw jcommon::InvalidArgumentException("CoordinateLayout cannot work with limits lower than zero");
}
_width = width;
_height = height;
_type = type;
}
CoordinateLayout::~CoordinateLayout()
{
}
void CoordinateLayout::SetWidth(int width)
{
_width = width;
}
void CoordinateLayout::SetHeight(int height)
{
_height = height;
}
void CoordinateLayout::SetType(jcoordinate_layout_t type)
{
_type = type;
}
int CoordinateLayout::GetWidth()
{
return _width;
}
int CoordinateLayout::GetHeight()
{
return _height;
}
jcoordinate_layout_t CoordinateLayout::GetType()
{
return _type;
}
jsize_t CoordinateLayout::GetMinimumLayoutSize(Container *parent)
{
jsize_t t = {0, 0};
return t;
}
jsize_t CoordinateLayout::GetMaximumLayoutSize(Container *parent)
{
jsize_t t = {INT_MAX, INT_MAX};
return t;
}
jsize_t CoordinateLayout::GetPreferredSize(Container *target)
{
if ((void *)target == NULL) {
jsize_t t = {0, 0};
return t;
}
jinsets_t insets = target->GetInsets();
jsize_t t = {0, 0};
int members = target->GetComponentCount();
for (int i=0; i<members; i++) {
Component *cmp = target->GetComponents()[i];
jpoint_t point = cmp->GetLocation();
jsize_t size = cmp->GetSize();
t.width = jmath::Math<int>::Max(t.width, point.x+size.width+(insets.left+insets.right));
t.height = jmath::Math<int>::Max(t.height, point.y+size.height+(insets.top+insets.bottom));
}
return t;
}
void CoordinateLayout::DoLayout(Container *target)
{
if ((void *)target == NULL) {
return;
}
jsize_t tsize = target->GetSize();
if (tsize.width <= 0 || tsize.height <= 0) {
return;
}
int nmembers = target->GetComponentCount();
double sx = 1.0,
sy = 1.0;
if (_width < 0) {
_width = tsize.width;
}
if (_height < 0) {
_height = tsize.height;
}
if ((_type & JCL_HORIZONTAL) != 0) {
sx = (double)tsize.width/_width;
}
if ((_type & JCL_VERTICAL) != 0) {
sy = (double)tsize.height/_height;
}
for (int i = 0 ; i < nmembers ; i++) {
Component *c = target->GetComponents()[i];
jpoint_t point = c->GetLocation();
jsize_t size = c->GetPreferredSize();
// c->SetLocation((int)(point.x*sx), (int)(point.y*sy));
c->SetBounds((int)(point.x*sx), (int)(point.y*sy), size.width, size.height);
}
_width = tsize.width;
_height = tsize.height;
}
}