mirror of
https://github.com/libretro/scummvm.git
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258 lines
6.7 KiB
C++
258 lines
6.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "glk/window_pair.h"
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#include "glk/conf.h"
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#include "glk/glk.h"
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#include "glk/screen.h"
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namespace Glk {
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PairWindow::PairWindow(Windows *windows, uint method, Window *key, uint size) :
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Window(windows, 0),
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_dir(method & winmethod_DirMask),
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_division(method & winmethod_DivisionMask),
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_wBorder((method & winmethod_BorderMask) == winmethod_Border),
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_vertical(_dir == winmethod_Left || _dir == winmethod_Right),
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_backward(_dir == winmethod_Left || _dir == winmethod_Above),
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_key(key), _size(size), _keyDamage(0) {
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_type = wintype_Pair;
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}
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PairWindow::~PairWindow() {
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for (uint idx = 0; idx < _children.size(); ++idx) {
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_children[idx]->_parent = nullptr;
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delete _children[idx];
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}
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}
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void PairWindow::rearrange(const Rect &box) {
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Rect box1, box2;
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int min, diff, split, splitwid, max;
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Window *ch1, *ch2;
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_bbox = box;
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if (_dir == winmethod_Arbitrary) {
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// When a pair window is in "arbitrary" mode, each child window has it's own independent positioning,
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// so thre's no need to be readjusting it
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return;
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}
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if (!_backward) {
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ch1 = _children[0];
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ch2 = _children[1];
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} else {
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ch1 = _children[1];
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ch2 = _children[0];
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}
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if (_vertical) {
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min = _bbox.left;
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max = _bbox.right;
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} else {
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min = _bbox.top;
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max = _bbox.bottom;
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}
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diff = max - min;
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// We now figure split.
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if (_vertical)
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splitwid = g_conf->_wPaddingX; // want border?
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else
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splitwid = g_conf->_wPaddingY; // want border?
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switch (_division) {
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case winmethod_Proportional:
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split = (diff * _size) / 100;
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break;
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case winmethod_Fixed:
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split = !_key ? 0 : _key->getSplit(_size, _vertical);
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break;
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default:
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split = diff / 2;
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break;
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}
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if (!_backward)
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split = max - split - splitwid;
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else
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split = min + split;
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if (min >= max) {
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split = min;
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} else {
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if (split < min)
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split = min;
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else if (split > max - splitwid)
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split = max - splitwid;
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}
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if (_vertical) {
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box1.left = _bbox.left;
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box1.right = split;
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box2.left = split + splitwid;
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box2.right = _bbox.right;
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box1.top = _bbox.top;
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box1.bottom = _bbox.bottom;
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box2.top = _bbox.top;
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box2.bottom = _bbox.bottom;
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} else {
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box1.top = _bbox.top;
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box1.bottom = split;
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box2.top = split + splitwid;
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box2.bottom = _bbox.bottom;
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box1.left = _bbox.left;
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box1.right = _bbox.right;
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box2.left = _bbox.left;
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box2.right = _bbox.right;
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}
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ch1->rearrange(box1);
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ch2->rearrange(box2);
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}
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void PairWindow::redraw() {
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// When the windows can be in arbitrary positions, some of them may be transparent, so we always
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// need to force a full screen redraw in such cases
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if (_dir == winmethod_Arbitrary)
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Windows::_forceRedraw = true;
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Window::redraw();
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for (int ctr = 0, idx = (_backward ? (int)_children.size() - 1 : 0); ctr < (int)_children.size();
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++ctr, idx += (_backward ? -1 : 1)) {
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_children[idx]->redraw();
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}
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Window *child = !_backward ? _children.front() : _children.back();
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Rect box(child->_bbox.left, child->_yAdj ? child->_bbox.top - child->_yAdj : child->_bbox.top,
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child->_bbox.right, child->_bbox.bottom);
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if (_vertical) {
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int xBord = _wBorder ? g_conf->_wBorderX : 0;
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int xPad = (g_conf->_wPaddingX - xBord) / 2;
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g_vm->_screen->fillRect(Rect(box.right + xPad, box.top, box.right + xPad + xBord, box.bottom),
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g_conf->_borderColor);
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} else {
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int yBord = _wBorder ? g_conf->_wBorderY : 0;
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int yPad = (g_conf->_wPaddingY - yBord) / 2;
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g_vm->_screen->fillRect(Rect(box.left, box.bottom + yPad, box.right, box.bottom + yPad + yBord),
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g_conf->_borderColor);
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}
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}
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void PairWindow::getArrangement(uint *method, uint *size, Window **keyWin) {
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uint val = _dir | _division;
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if (!_wBorder)
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val |= winmethod_NoBorder;
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if (size)
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*size = _size;
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if (keyWin) {
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if (_key)
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*keyWin = _key;
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else
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*keyWin = nullptr;
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}
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if (method)
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*method = val;
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}
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void PairWindow::setArrangement(uint method, uint size, Window *keyWin) {
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uint newDir;
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bool newVertical, newBackward;
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assert((method & winmethod_DirMask) != winmethod_Arbitrary && _dir != winmethod_Arbitrary);
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if (_key) {
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Window *wx;
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PairWindow *pairWin = dynamic_cast<PairWindow *>(_key);
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if (pairWin) {
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warning("setArrangement: keywin cannot be a Pair");
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return;
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}
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for (wx = _key; wx; wx = wx->_parent) {
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if (wx == this)
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break;
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}
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if (wx == nullptr) {
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warning("setArrangement: keywin must be a descendant");
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return;
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}
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}
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newDir = method & winmethod_DirMask;
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newVertical = (newDir == winmethod_Left || newDir == winmethod_Right);
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newBackward = (newDir == winmethod_Left || newDir == winmethod_Above);
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if (!keyWin)
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keyWin = _key;
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if ((newVertical && !_vertical) || (!newVertical && _vertical)) {
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if (!_vertical)
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warning("setArrangement: split must stay horizontal");
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else
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warning("setArrangement: split must stay vertical");
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return;
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}
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if (keyWin && dynamic_cast<BlankWindow *>(keyWin)
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&& (method & winmethod_DivisionMask) == winmethod_Fixed) {
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warning("setArrangement: a Blank window cannot have a fixed size");
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return;
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}
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if ((newBackward && !_backward) || (!newBackward && _backward)) {
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// switch the children
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SWAP(_children[0], _children[1]);
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}
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// set up everything else
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_dir = newDir;
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_division = method & winmethod_DivisionMask;
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_key = keyWin;
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_size = size;
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_wBorder = ((method & winmethod_BorderMask) == winmethod_Border);
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_vertical = (_dir == winmethod_Left || _dir == winmethod_Right);
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_backward = (_dir == winmethod_Left || _dir == winmethod_Above);
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_windows->rearrange();
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}
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void PairWindow::click(const Point &newPos) {
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// Note in case windows are partially overlapping, we want the top-most window to get the click.
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// WHich is why we recurse in the opposite of the rendering direction (as the _backward flag) indicates
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for (int ctr = 0, idx = (!_backward ? (int)_children.size() - 1 : 0); ctr < (int)_children.size();
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++ctr, idx += (!_backward ? -1 : 1)) {
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Window *w = _children[idx];
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if (w->_bbox.contains(newPos))
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w->click(newPos);
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}
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}
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} // End of namespace Glk
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