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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/window_pair.h"
#include "glk/conf.h"
#include "glk/glk.h"
#include "glk/screen.h"
namespace Glk {
PairWindow::PairWindow(Windows *windows, uint method, Window *key, uint size) :
Window(windows, 0),
_dir(method & winmethod_DirMask),
_division(method & winmethod_DivisionMask),
_wBorder((method & winmethod_BorderMask) == winmethod_Border),
_vertical(_dir == winmethod_Left || _dir == winmethod_Right),
_backward(_dir == winmethod_Left || _dir == winmethod_Above),
_key(key), _size(size), _keyDamage(0) {
_type = wintype_Pair;
}
PairWindow::~PairWindow() {
for (uint idx = 0; idx < _children.size(); ++idx) {
_children[idx]->_parent = nullptr;
delete _children[idx];
}
}
void PairWindow::rearrange(const Rect &box) {
Rect box1, box2;
int min, diff, split, splitwid, max;
Window *ch1, *ch2;
_bbox = box;
if (_dir == winmethod_Arbitrary) {
// When a pair window is in "arbitrary" mode, each child window has it's own independant positioning,
// so thre's no need to be readjusting it
return;
}
if (!_backward) {
ch1 = _children[0];
ch2 = _children[1];
} else {
ch1 = _children[1];
ch2 = _children[0];
}
if (_vertical) {
min = _bbox.left;
max = _bbox.right;
} else {
min = _bbox.top;
max = _bbox.bottom;
}
diff = max - min;
// We now figure split.
if (_vertical)
splitwid = g_conf->_wPaddingX; // want border?
else
splitwid = g_conf->_wPaddingY; // want border?
switch (_division) {
case winmethod_Proportional:
split = (diff * _size) / 100;
break;
case winmethod_Fixed:
split = !_key ? 0 : _key->getSplit(_size, _vertical);
break;
default:
split = diff / 2;
break;
}
if (!_backward)
split = max - split - splitwid;
else
split = min + split;
if (min >= max) {
split = min;
} else {
if (split < min)
split = min;
else if (split > max - splitwid)
split = max - splitwid;
}
if (_vertical) {
box1.left = _bbox.left;
box1.right = split;
box2.left = split + splitwid;
box2.right = _bbox.right;
box1.top = _bbox.top;
box1.bottom = _bbox.bottom;
box2.top = _bbox.top;
box2.bottom = _bbox.bottom;
} else {
box1.top = _bbox.top;
box1.bottom = split;
box2.top = split + splitwid;
box2.bottom = _bbox.bottom;
box1.left = _bbox.left;
box1.right = _bbox.right;
box2.left = _bbox.left;
box2.right = _bbox.right;
}
ch1->rearrange(box1);
ch2->rearrange(box2);
}
void PairWindow::redraw() {
// When the windows can be in arbitrary positions, some of them may be transparent, so we always
// need to force a full screen redraw in such cases
if (_dir == winmethod_Arbitrary)
Windows::_forceRedraw = true;
Window::redraw();
for (int ctr = 0, idx = (_backward ? (int)_children.size() - 1 : 0); ctr < (int)_children.size();
++ctr, idx += (_backward ? -1 : 1)) {
_children[idx]->redraw();
}
Window *child = !_backward ? _children.front() : _children.back();
Rect box(child->_bbox.left, child->_yAdj ? child->_bbox.top - child->_yAdj : child->_bbox.top,
child->_bbox.right, child->_bbox.bottom);
if (_vertical) {
int xBord = _wBorder ? g_conf->_wBorderX : 0;
int xPad = (g_conf->_wPaddingX - xBord) / 2;
g_vm->_screen->fillRect(Rect(box.right + xPad, box.top, box.right + xPad + xBord, box.bottom),
g_conf->_borderColor);
} else {
int yBord = _wBorder ? g_conf->_wBorderY : 0;
int yPad = (g_conf->_wPaddingY - yBord) / 2;
g_vm->_screen->fillRect(Rect(box.left, box.bottom + yPad, box.right, box.bottom + yPad + yBord),
g_conf->_borderColor);
}
}
void PairWindow::getArrangement(uint *method, uint *size, Window **keyWin) {
uint val = _dir | _division;
if (!_wBorder)
val |= winmethod_NoBorder;
if (size)
*size = _size;
if (keyWin) {
if (_key)
*keyWin = _key;
else
*keyWin = nullptr;
}
if (method)
*method = val;
}
void PairWindow::setArrangement(uint method, uint size, Window *keyWin) {
uint newDir;
bool newVertical, newBackward;
assert((method & winmethod_DirMask) != winmethod_Arbitrary && _dir != winmethod_Arbitrary);
if (_key) {
Window *wx;
PairWindow *pairWin = dynamic_cast<PairWindow *>(_key);
if (pairWin) {
warning("setArrangement: keywin cannot be a Pair");
return;
}
for (wx = _key; wx; wx = wx->_parent) {
if (wx == this)
break;
}
if (wx == nullptr) {
warning("setArrangement: keywin must be a descendant");
return;
}
}
newDir = method & winmethod_DirMask;
newVertical = (newDir == winmethod_Left || newDir == winmethod_Right);
newBackward = (newDir == winmethod_Left || newDir == winmethod_Above);
if (!keyWin)
keyWin = _key;
if ((newVertical && !_vertical) || (!newVertical && _vertical)) {
if (!_vertical)
warning("setArrangement: split must stay horizontal");
else
warning("setArrangement: split must stay vertical");
return;
}
if (keyWin && dynamic_cast<BlankWindow *>(keyWin)
&& (method & winmethod_DivisionMask) == winmethod_Fixed) {
warning("setArrangement: a Blank window cannot have a fixed size");
return;
}
if ((newBackward && !_backward) || (!newBackward && _backward)) {
// switch the children
SWAP(_children[0], _children[1]);
}
// set up everything else
_dir = newDir;
_division = method & winmethod_DivisionMask;
_key = keyWin;
_size = size;
_wBorder = ((method & winmethod_BorderMask) == winmethod_Border);
_vertical = (_dir == winmethod_Left || _dir == winmethod_Right);
_backward = (_dir == winmethod_Left || _dir == winmethod_Above);
_windows->rearrange();
}
void PairWindow::click(const Point &newPos) {
// Note in case windows are partially overlapping, we want the top-most window to get the click.
// WHich is why we recurse in the opposite of the rendering direction (as the _backward flag) indicates
for (int ctr = 0, idx = (!_backward ? (int)_children.size() - 1 : 0); ctr < (int)_children.size();
++ctr, idx += (!_backward ? -1 : 1)) {
Window *w = _children[idx];
if (w->_bbox.contains(newPos))
w->click(newPos);
}
}
} // End of namespace Glk
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