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/*
* Copyright (C) 2020 to 2023 by Andreas Theofilu <andreas@theosys.at>
*
* 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 3 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 <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <include/core/SkFont.h>
#include <include/core/SkFontMetrics.h>
#include <include/core/SkTextBlob.h>
#include "tresources.h"
#include "tpagemanager.h"
#include "tpage.h"
#include "tdrawimage.h"
#include "texpat++.h"
#include "tconfig.h"
#include "terror.h"
#if __cplusplus < 201402L
# error "This module requires at least C++14 standard!"
#else
# if __cplusplus < 201703L
# include <experimental/filesystem>
namespace fs = std::experimental::filesystem;
# warning "Support for C++14 and experimental filesystem will be removed in a future version!"
# else
# include <filesystem>
# ifdef __ANDROID__
namespace fs = std::__fs::filesystem;
# else
namespace fs = std::filesystem;
# endif
# endif
#endif
using std::string;
using std::vector;
using std::map;
using std::pair;
using namespace Button;
using namespace Expat;
extern TPageManager *gPageManager;
TPage::TPage(const string& name)
{
DECL_TRACER("TPage::TPage(const string& name)");
TError::clear();
if (gPageManager)
{
if (!_setBackground)
_setBackground = gPageManager->getCallbackBG();
if (!_displayButton)
_displayButton = gPageManager->getCallbackDB();
if (!_callDropPage)
_callDropPage = gPageManager->getCallDropPage();
if (!_callDropSubPage)
_callDropSubPage = gPageManager->getCallDropSubPage();
if (!_playVideo)
_playVideo = gPageManager->getCallbackPV();
}
if (name.compare("_progress") == 0)
{
addProgress();
return ;
}
initialize(name);
}
TPage::~TPage()
{
DECL_TRACER("TPage::~TPage()");
MSG_DEBUG("Destroing page " << mPage.pageID << ": " << mPage.name);
BUTTONS_T *p = getButtons();
BUTTONS_T *next = nullptr;
while (p)
{
next = p->next;
delete p->button;
delete p;
p = next;
}
setButtons(nullptr);
PAGECHAIN_T *pc = mSubPages;
PAGECHAIN_T *pc_next = nullptr;
// We're not allowd to delete the subpages here, because they're managed
// by the TPageManager.
while (pc)
{
pc_next = pc->next;
delete pc;
pc = pc_next;
}
mSubPages = nullptr;
}
void TPage::initialize(const string& nm)
{
DECL_TRACER("TPage::initialize(const string& name)");
string projectPath = ((gPageManager && gPageManager->isSetupActive()) ? TConfig::getSystemProjectPath() : TConfig::getProjectPath());
if (!fs::exists(projectPath + "/prj.xma"))
{
MSG_ERROR("Directory " << projectPath << " doesn't exist!");
return;
}
makeFileName(projectPath, nm);
MSG_DEBUG("Using path: " << projectPath << " and file: " << nm);
if (isValidFile())
mPath = getFileName();
TExpat xml(mPath);
xml.setEncoding(ENC_CP1250);
if (!xml.parse())
return;
int depth = 0;
size_t index = 0;
size_t oldIndex = 0;
vector<ATTRIBUTE_t> attrs;
if ((index = xml.getElementIndex("page", &depth)) == TExpat::npos)
{
MSG_ERROR("Element \"page\" with attribute \"type\" was not found!");
TError::setError();
return;
}
attrs = xml.getAttributes();
string type = xml.getAttribute("type", attrs);
if (type.compare("page") != 0)
{
MSG_ERROR("Invalid page type \"" << type << "\"!");
TError::setError();
return;
}
depth++;
string ename, content;
while ((index = xml.getNextElementFromIndex(index, &ename, &content, &attrs)) != TExpat::npos)
{
string e = ename;
if (e.compare("pageID") == 0)
mPage.pageID = xml.convertElementToInt(content);
else if (e.compare("name") == 0)
mPage.name = content;
else if (e.compare("width") == 0)
mPage.width = xml.convertElementToInt(content);
else if (e.compare("height") == 0)
mPage.height = xml.convertElementToInt(content);
else if (e.compare("button") == 0)
{
TButton *button = new TButton();
TPageInterface::registerListCallback<TPage>(button, this);
button->setPalette(mPalette);
button->setFonts(getFonts());
button->registerCallback(_displayButton);
button->regCallPlayVideo(_playVideo);
index = button->initialize(&xml, index);
button->setParentSize(mPage.width, mPage.height);
if (TError::isError())
{
MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
delete button;
return;
}
button->setHandle(((mPage.pageID << 16) & 0xffff0000) | button->getButtonIndex());
button->createButtons();
addButton(button);
index++; // Jump over the end tag of the button.
}
else if (e.compare("sr") == 0)
{
SR_T bsr;
bsr.number = xml.getAttributeInt("number", attrs);
index++;
while ((index = xml.getNextElementFromIndex(index, &ename, &content, &attrs)) != TExpat::npos)
{
if (ename.compare("bs") == 0)
bsr.bs = content;
else if (ename.compare("cb") == 0)
bsr.cb = content;
else if (ename.compare("cf") == 0)
bsr.cf = content;
else if (ename.compare("ct") == 0)
bsr.ct = content;
else if (ename.compare("ec") == 0)
bsr.ec = content;
else if (ename.compare("bm") == 0)
bsr.bm = content;
else if (ename.compare("mi") == 0)
bsr.mi = content;
else if (ename.compare("fi") == 0)
bsr.fi = xml.convertElementToInt(content);
else if (ename.compare("te") == 0)
bsr.te = content;
else if (ename.compare("tx") == 0)
bsr.tx = xml.convertElementToInt(content);
else if (ename.compare("ty") == 0)
bsr.ty = xml.convertElementToInt(content);
else if (ename.compare("et") == 0)
bsr.et = xml.convertElementToInt(content);
else if (ename.compare("ww") == 0)
bsr.ww = xml.convertElementToInt(content);
else if (ename.compare("jt") == 0)
bsr.jt = (Button::TEXT_ORIENTATION)xml.convertElementToInt(content);
else if (ename.compare("jb") == 0)
bsr.jb = (Button::TEXT_ORIENTATION)xml.convertElementToInt(content);
oldIndex = index;
}
sr.push_back(bsr);
if (index == TExpat::npos)
index = oldIndex + 1;
}
}
setSR(sr);
if (TStreamError::checkFilter(HLOG_DEBUG))
{
MSG_DEBUG("PageID: " << mPage.pageID);
MSG_DEBUG("Name : " << mPage.name);
MSG_DEBUG("Width : " << mPage.width);
MSG_DEBUG("Height: " << mPage.height);
vector<SR_T>::iterator iter;
size_t pos = 1;
for (iter = sr.begin(); iter != sr.end(); ++iter)
{
MSG_DEBUG(" " << pos << ": bs: " << iter->bs);
MSG_DEBUG(" " << pos << ": cb: " << iter->cb);
MSG_DEBUG(" " << pos << ": cf: " << iter->cf);
MSG_DEBUG(" " << pos << ": ct: " << iter->ct);
MSG_DEBUG(" " << pos << ": ec: " << iter->ec);
MSG_DEBUG(" " << pos << ": bm: " << iter->bm);
MSG_DEBUG(" " << pos << ": mi: " << iter->mi);
MSG_DEBUG(" " << pos << ": fi: " << iter->fi);
pos++;
}
}
if (TPageInterface::getButtons())
sortButtons();
}
void TPage::addProgress()
{
DECL_TRACER("TPage::addProgress()");
if (!gPageManager)
{
MSG_WARNING("The page manager is still not initialized!");
return;
}
Button::SR_T bsr;
mPage.pageID = 300;
mPage.name = "_progress";
mPage.width = gPageManager->getSettings()->getWidth();
mPage.height = gPageManager->getSettings()->getHeight();
double unit = (double)mPage.height / 10.0;
MSG_DEBUG("One unit is " << unit);
// Background of page
bsr.number = 1;
bsr.cf = "#106010ff";
bsr.ct = "#ffffffff";
bsr.cb = "#009000ff";
bsr.ec = "#ffffffff";
bsr.fi = 21;
sr.push_back(bsr);
// Text field 1 to show status messages
Button::EXTBUTTON_t bt;
bt.type = GENERAL;
bt.bi = 1;
bt.na = "Line1";
bt.tp = (int)(unit * 2.0);
bt.lt = (int)(((double)mPage.width - ((double)mPage.width / 100.0 * 80.0)) / 2.0);
bt.wt = (int)((double)mPage.width / 100.0 * 80.0); // Line take 80% of available width
bt.ht = (int)(unit / 100.0 * 80.0);
MSG_DEBUG("Dimensions button 1: lt: " << bt.lt << ", tp: " << bt.tp << ", wt: " << bt.wt << ", ht: " << bt.ht);
bt.zo = 1;
bt.ap = 0;
bt.ad = 160;
bsr.cf = "#000000ff";
bt.sr.push_back(bsr);
bsr.number = 2;
bt.sr.push_back(bsr);
TButton *button = new TButton();
button->setPalette(mPalette);
button->setFonts(getFonts());
button->registerCallback(_displayButton);
button->regCallPlayVideo(_playVideo);
button->createSoftButton(bt);
button->setParentSize(mPage.width, mPage.height);
if (TError::isError())
{
MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
delete button;
return;
}
button->setHandle(((mPage.pageID << 16) & 0xffff0000) | bt.bi);
button->createButtons();
addButton(button);
// Text field 2 to show status messages
bt.bi = 2;
bt.na = "Line2";
bt.tp = (int)(unit * 7.0);
MSG_DEBUG("Dimensions button 2: lt: " << bt.lt << ", tp: " << bt.tp << ", wt: " << bt.wt << ", ht: " << bt.ht);
bt.zo = 2;
bt.ad = 161;
button = new TButton();
button->setPalette(mPalette);
button->setFonts(getFonts());
button->registerCallback(_displayButton);
button->regCallPlayVideo(_playVideo);
button->createSoftButton(bt);
button->setParentSize(mPage.width, mPage.height);
if (TError::isError())
{
MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
delete button;
return;
}
button->setHandle(((mPage.pageID << 16) & 0xffff0000) | bt.bi);
button->createButtons();
addButton(button);
// Progress bar 1 (overall status)
bt.type = BARGRAPH;
bt.bi = 3;
bt.na = "Bar1";
bt.tp = (int)(unit * 3.0);
bt.lt = (int)(((double)mPage.width - ((double)mPage.width / 100.0 * 80.0)) / 2.0);
bt.wt = (int)((double)mPage.width / 100.0 * 80.0); // Line take 80% of available width
bt.ht = (int)unit;
MSG_DEBUG("Dimensions bargraph 1: lt: " << bt.lt << ", tp: " << bt.tp << ", wt: " << bt.wt << ", ht: " << bt.ht);
bt.zo = 3;
bt.ap = 0;
bt.ad = 162;
bt.lp = 0;
bt.lv = 162;
bt.rl = 1;
bt.rh = 100;
bt.sc = "#ffffffff";
bt.dr = "horizontal";
bsr.number = 1;
bsr.cf = "#0e0e0eff";
bsr.ct = "#ffffffff";
bsr.cb = "#009000ff";
bt.sr.clear();
bt.sr.push_back(bsr);
bsr.number = 2;
bsr.cf = "#ffffffff";
bt.sr.push_back(bsr);
button = new TButton();
button->setPalette(mPalette);
button->setFonts(getFonts());
button->registerCallback(_displayButton);
button->regCallPlayVideo(_playVideo);
button->createSoftButton(bt);
button->setParentSize(mPage.width, mPage.height);
if (TError::isError())
{
MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
delete button;
return;
}
button->setHandle(((mPage.pageID << 16) & 0xffff0000) | bt.bi);
button->createButtons();
addButton(button);
// Progress bar 2 (details)
bt.bi = 4;
bt.na = "Bar2";
bt.tp = (int)(unit * 5.0);
MSG_DEBUG("Dimensions bargraph 2: lt: " << bt.lt << ", tp: " << bt.tp << ", wt: " << bt.wt << ", ht: " << bt.ht);
bt.zo = 4;
bt.ad = 163;
bt.lv = 163;
button = new TButton();
button->setPalette(mPalette);
button->setFonts(getFonts());
button->registerCallback(_displayButton);
button->regCallPlayVideo(_playVideo);
button->createSoftButton(bt);
button->setParentSize(mPage.width, mPage.height);
if (TError::isError())
{
MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
delete button;
return;
}
button->setHandle(((mPage.pageID << 16) & 0xffff0000) | bt.bi);
button->createButtons();
addButton(button);
}
SkBitmap& TPage::getBgImage()
{
DECL_TRACER("TPage::getBgImage()");
if (!mBgImage.empty())
return mBgImage;
bool haveImage = false;
MSG_DEBUG("Creating image for page " << mPage.pageID << ": " << mPage.name);
SkBitmap target;
if (!allocPixels(mPage.width, mPage.height, &target))
return mBgImage;
target.eraseColor(TColor::getSkiaColor(mPage.sr[0].cf));
// Draw the background, if any
if (mPage.sr.size() > 0 && (!mPage.sr[0].bm.empty() || !mPage.sr[0].mi.empty()))
{
TDrawImage dImage;
dImage.setWidth(mPage.width);
dImage.setHeight(mPage.height);
if (!mPage.sr[0].bm.empty())
{
MSG_DEBUG("Loading image " << mPage.sr[0].bm);
sk_sp<SkData> rawImage = readImage(mPage.sr[0].bm);
SkBitmap bm;
if (rawImage)
{
MSG_DEBUG("Decoding image BM ...");
if (!DecodeDataToBitmap(rawImage, &bm))
{
MSG_WARNING("Problem while decoding image " << mPage.sr[0].bm);
}
else if (!bm.empty())
{
dImage.setImageBm(bm);
SkImageInfo info = bm.info();
mPage.sr[0].bm_width = info.width();
mPage.sr[0].bm_height = info.height();
haveImage = true;
}
else
{
MSG_WARNING("BM image " << mPage.sr[0].bm << " seems to be empty!");
}
}
}
if (!mPage.sr[0].mi.empty())
{
MSG_DEBUG("Loading image " << mPage.sr[0].mi);
sk_sp<SkData> rawImage = readImage(mPage.sr[0].mi);
SkBitmap mi;
if (rawImage)
{
MSG_DEBUG("Decoding image MI ...");
if (!DecodeDataToBitmap(rawImage, &mi))
{
MSG_WARNING("Problem while decoding image " << mPage.sr[0].mi);
}
else if (!mi.empty())
{
dImage.setImageMi(mi);
SkImageInfo info = mi.info();
mPage.sr[0].mi_width = info.width();
mPage.sr[0].mi_height = info.height();
haveImage = true;
}
else
{
MSG_WARNING("MI image " << mPage.sr[0].mi << " seems to be empty!");
}
}
}
if (haveImage)
{
dImage.setSr(mPage.sr);
if (!dImage.drawImage(&target))
return mBgImage;
if (!mPage.sr[0].te.empty())
{
if (!drawText(mPage, &target))
return mBgImage;
}
if (mPage.sr[0].oo < 255 && mPage.sr[0].te.empty() && mPage.sr[0].bs.empty())
setOpacity(&target, mPage.sr[0].oo);
#ifdef _SCALE_SKIA_
size_t rowBytes = info.minRowBytes();
size_t size = info.computeByteSize(rowBytes);
SkImageInfo info = target.info();
if (gPageManager && gPageManager->getScaleFactor() != 1.0)
{
SkPaint paint;
int left, top;
paint.setBlendMode(SkBlendMode::kSrc);
paint.setFilterQuality(kHigh_SkFilterQuality);
// Calculate new dimension
double scaleFactor = gPageManager->getScaleFactor();
MSG_DEBUG("Using scale factor " << scaleFactor);
int lwidth = (int)((double)info.width() * scaleFactor);
int lheight = (int)((double)info.height() * scaleFactor);
int twidth = (int)((double)mPage.width * scaleFactor);
int theight = (int)((double)mPage.height * scaleFactor);
calcPosition(lwidth, lheight, &left, &top);
// Create a canvas and draw new image
sk_sp<SkImage> im = SkImage::MakeFromBitmap(target);
if (!allocPixels(twidth, theight, &target))
return;
target.eraseColor(TColor::getSkiaColor(mPage.sr[0].cf));
SkCanvas can(target, SkSurfaceProps());
SkRect rect = SkRect::MakeXYWH(left, top, lwidth, lheight);
can.drawImageRect(im, rect, &paint);
MSG_DEBUG("Scaled size of background image: " << left << ", " << top << ", " << lwidth << ", " << lheight);
}
#endif
}
}
if (mPage.sr.size() > 0 && !mPage.sr[0].te.empty())
{
MSG_DEBUG("Drawing a text only on background image ...");
if (drawText(mPage, &target))
haveImage = true;
}
// Check for a frame and draw it if there is one.
if (!mPage.sr[0].bs.empty())
{
if (drawFrame(mPage, &target))
haveImage = true;
}
if (haveImage)
{
if (mPage.sr[0].oo < 255)
setOpacity(&target, mPage.sr[0].oo);
mBgImage = target;
}
return mBgImage;
}
void TPage::show()
{
DECL_TRACER("TPage::show()");
if (!_setBackground)
{
if (gPageManager && gPageManager->getCallbackBG())
_setBackground = gPageManager->getCallbackBG();
else
{
MSG_WARNING("No callback \"setBackground\" was set!");
return;
}
}
bool haveImage = false;
ulong handle = (mPage.pageID << 16) & 0xffff0000;
MSG_DEBUG("Processing page " << mPage.pageID);
SkBitmap target;
if (!allocPixels(mPage.width, mPage.height, &target))
return;
target.eraseColor(TColor::getSkiaColor(sr[0].cf));
// Draw the background, if any
if (sr.size() > 0 && (!sr[0].bm.empty() || !sr[0].mi.empty()))
{
TDrawImage dImage;
dImage.setWidth(mPage.width);
dImage.setHeight(mPage.height);
if (!sr[0].bm.empty())
{
MSG_DEBUG("Loading image " << sr[0].bm);
sk_sp<SkData> rawImage = readImage(sr[0].bm);
SkBitmap bm;
if (rawImage)
{
MSG_DEBUG("Decoding image BM ...");
if (!DecodeDataToBitmap(rawImage, &bm))
{
MSG_WARNING("Problem while decoding image " << sr[0].bm);
}
else if (!bm.empty())
{
dImage.setImageBm(bm);
SkImageInfo info = bm.info();
sr[0].bm_width = info.width();
sr[0].bm_height = info.height();
haveImage = true;
}
else
{
MSG_WARNING("BM image " << sr[0].bm << " seems to be empty!");
}
}
}
if (!sr[0].mi.empty())
{
MSG_DEBUG("Loading image " << sr[0].mi);
sk_sp<SkData> rawImage = readImage(sr[0].mi);
SkBitmap mi;
if (rawImage)
{
MSG_DEBUG("Decoding image MI ...");
if (!DecodeDataToBitmap(rawImage, &mi))
{
MSG_WARNING("Problem while decoding image " << sr[0].mi);
}
else if (!mi.empty())
{
dImage.setImageMi(mi);
SkImageInfo info = mi.info();
sr[0].mi_width = info.width();
sr[0].mi_height = info.height();
haveImage = true;
}
else
{
MSG_WARNING("MI image " << sr[0].mi << " seems to be empty!");
}
}
}
if (haveImage)
{
dImage.setSr(sr);
if (!dImage.drawImage(&target))
return;
if (!sr[0].te.empty())
{
if (!drawText(mPage, &target))
return;
}
#ifdef _SCALE_SKIA_
if (gPageManager && gPageManager->getScaleFactor() != 1.0)
{
SkPaint paint;
int left, top;
SkImageInfo info = target.info();
paint.setBlendMode(SkBlendMode::kSrc);
paint.setFilterQuality(kHigh_SkFilterQuality);
// Calculate new dimension
double scaleFactor = gPageManager->getScaleFactor();
MSG_DEBUG("Using scale factor " << scaleFactor);
int lwidth = (int)((double)info.width() * scaleFactor);
int lheight = (int)((double)info.height() * scaleFactor);
int twidth = (int)((double)width * scaleFactor);
int theight = (int)((double)height * scaleFactor);
calcPosition(lwidth, lheight, &left, &top);
// Create a canvas and draw new image
sk_sp<SkImage> im = SkImage::MakeFromBitmap(target);
if (!allocPixels(twidth, theight, &target))
return;
target.eraseColor(TColor::getSkiaColor(sr[0].cf));
SkCanvas can(target, SkSurfaceProps());
SkRect rect = SkRect::MakeXYWH(left, top, lwidth, lheight);
can.drawImageRect(im, rect, &paint);
MSG_DEBUG("Scaled size of background image: " << left << ", " << top << ", " << lwidth << ", " << lheight);
}
#endif
/*
TBitmap image((unsigned char *)target.getPixels(), target.info().width(), target.info().height());
#ifdef _OPAQUE_SKIA_
if (sr[0].te.empty() && sr[0].bs.empty())
_setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(sr[0].cf));
#else
if (sr[0].te.empty() && sr[0].bs.empty())
_setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(sr[0].cf), sr[0].oo);
#endif
*/
}
}
if (sr.size() > 0 && !sr[0].te.empty())
{
MSG_DEBUG("Drawing text on background image ...");
if (drawText(mPage, &target))
haveImage = true;
}
// Check for a frame and draw it if there is one.
if (!sr[0].bs.empty())
{
if (drawFrame(mPage, &target))
haveImage = true;
}
if (haveImage)
{
SkImageInfo info = target.info();
TBitmap image((unsigned char *)target.getPixels(), info.width(), info.height());
#ifdef _OPAQUE_SKIA_
_setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(sr[0].cf));
#else
_setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(sr[0].cf), sr[0].oo);
#endif
}
else if (sr.size() > 0 && !haveImage)
{
MSG_DEBUG("Calling \"setBackground\" with no image ...");
#ifdef _OPAQUE_SKIA_
_setBackground(handle, TBitmap(), 0, 0, TColor::getColor(sr[0].cf));
#else
_setBackground(handle, TBitmap(), 0, 0, TColor::getColor(sr[0].cf), sr[0].oo);
#endif
}
// Draw the buttons
BUTTONS_T *button = TPageInterface::getButtons();
while (button)
{
if (button->button)
{
MSG_DEBUG("Drawing button " << button->button->getButtonIndex() << ": " << button->button->getButtonName());
button->button->registerCallback(_displayButton);
button->button->regCallPlayVideo(_playVideo);
TPageInterface::registerListCallback<TPage>(button->button, this);
button->button->setFonts(getFonts());
button->button->setPalette(mPalette);
button->button->createButtons();
if (sr.size() > 0)
button->button->setGlobalOpacity(sr[0].oo);
button->button->show();
}
button = button->next;
}
// Mark page as visible
mVisible = true;
if (gPageManager && gPageManager->getPageFinished())
gPageManager->getPageFinished()(handle);
}
PAGECHAIN_T *TPage::addSubPage(TSubPage* pg)
{
DECL_TRACER("TPage::addSubPage(TSubPage* pg)");
if (!pg)
{
MSG_ERROR("Parameter is NULL!");
TError::setError();
return nullptr;
}
PAGECHAIN_T *chain = new PAGECHAIN_T;
chain->subpage = pg;
chain->next = nullptr;
chain->prev = nullptr;
PAGECHAIN_T *spg = mSubPages;
if (spg)
{
// First make sure that the new page is not already in the chain.
PAGECHAIN_T *p = spg;
while (p)
{
if (p->subpage->getNumber() == pg->getNumber())
{
MSG_TRACE("Page " << pg->getNumber() << " is already in chain. Don't add it again.");
delete chain;
return p;
}
p = p->next;
}
// The subpage is not in chain. So we add it now.
p = spg;
// Find the last element in chain
while (p && p->next)
p = p->next;
p->next = chain;
chain->prev = p;
}
else
{
mZOrder = 0;
mSubPages = chain;
}
mLastSubPage = 0;
return chain;
}
bool TPage::removeSubPage(int ID)
{
DECL_TRACER("TPage::removeSubPage(int ID)");
PAGECHAIN_T *p = mSubPages;
PAGECHAIN_T *prev = nullptr;
while (p)
{
if (p->subpage->getNumber() == ID)
{
PAGECHAIN_T *next = p->next;
if (prev)
{
prev->next = next;
next->prev = prev;
}
else
{
mSubPages = next;
mSubPages->prev = nullptr;
}
delete p;
mLastSubPage = 0;
return true;
}
prev = p;
p = p->next;
}
return false;
}
bool TPage::removeSubPage(const std::string& nm)
{
DECL_TRACER("TPage::removeSubPage(const std::string& nm)");
PAGECHAIN_T *p = mSubPages;
PAGECHAIN_T *prev = nullptr;
while (p)
{
if (p->subpage->getName().compare(nm) == 0)
{
PAGECHAIN_T *next = p->next;
if (prev)
{
prev->next = next;
next->prev = prev;
}
else
{
mSubPages = next;
mSubPages->prev = nullptr;
}
delete p;
mLastSubPage = 0;
return true;
}
prev = p;
p = p->next;
}
return false;
}
TSubPage *TPage::getSubPage(int pageID)
{
DECL_TRACER("TPage::getSubPage(int pageID)");
PAGECHAIN_T *pg = mSubPages;
while (pg)
{
if (pg->subpage->getNumber() == pageID)
{
mLastSubPage = pageID;
return pg->subpage;
}
pg = pg->next;
}
mLastSubPage = 0;
return nullptr;
}
TSubPage *TPage::getSubPage(const std::string& name)
{
DECL_TRACER("TPage::getSubPage(const std::string& name)");
PAGECHAIN_T *pg = mSubPages;
while (pg)
{
if (pg->subpage->getName().compare(name) == 0)
{
mLastSubPage = pg->subpage->getNumber();
return pg->subpage;
}
pg = pg->next;
}
mLastSubPage = 0;
return nullptr;
}
TSubPage *TPage::getFirstSubPage()
{
DECL_TRACER("TPage::getFirstSubPage()");
PAGECHAIN_T *pg = mSubPages;
if (pg && pg->subpage)
{
mLastSubPage = pg->subpage->getNumber();
MSG_DEBUG("Subpage (Z: " << pg->subpage->getZOrder() << "): " << pg->subpage->getNumber() << ". " << pg->subpage->getName());
return pg->subpage;
}
MSG_DEBUG("No subpages in chain.");
mLastSubPage = 0;
return nullptr;
}
TSubPage *TPage::getNextSubPage()
{
DECL_TRACER("TPage::getNextSubPage()");
if (mLastSubPage > 0 && mSubPages)
{
PAGECHAIN_T *p = mSubPages;
while (p)
{
if (p->subpage && p->subpage->getNumber() == mLastSubPage)
{
if (p->next && p->next->subpage)
{
TSubPage *page = p->next->subpage;
mLastSubPage = page->getNumber();
MSG_DEBUG("Subpage (Z: " << page->getZOrder() << "): " << page->getNumber() << ". " << page->getName());
return page;
}
}
p = p->next;
}
}
MSG_DEBUG("No more subpages in chain.");
mLastSubPage = 0;
return nullptr;
}
TSubPage *TPage::getPrevSubPage()
{
DECL_TRACER("TPage::getPrevSubPage()");
if (mLastSubPage < MAX_PAGE_ID || !mSubPages)
return nullptr;
PAGECHAIN_T *pg = mSubPages;
while (pg)
{
if (pg->subpage->getNumber() == mLastSubPage)
{
if (!pg->prev)
{
mLastSubPage = 0;
MSG_DEBUG("No more subpages in chain.");
return nullptr;
}
mLastSubPage = pg->prev->subpage->getNumber();
return pg->prev->subpage;
}
pg = pg->next;
}
MSG_DEBUG("No more subpages in chain.");
mLastSubPage = 0;
return nullptr;
}
TSubPage *TPage::getLastSubPage()
{
DECL_TRACER("TPage::getLastSubPage()");
if (!mSubPages)
{
mLastSubPage = 0;
MSG_DEBUG("No subpages in cache!");
return nullptr;
}
PAGECHAIN_T *pg = mSubPages;
while (pg && pg->next)
pg = pg->next;
mLastSubPage = pg->subpage->getNumber();
return pg->subpage;
}
void TPage::drop()
{
DECL_TRACER("TPage::drop()");
PAGECHAIN_T *pc = mSubPages;
// remove all subpages, if there are any
while (pc)
{
if (pc->subpage)
{
MSG_DEBUG("Dropping popup " << pc->subpage->getNumber() << ": " << pc->subpage->getName());
pc->subpage->drop();
}
pc = pc->next;
}
// remove all buttons, if there are any
BUTTONS_T *bt = TPageInterface::getButtons();
while (bt)
{
MSG_DEBUG("Dropping button " << handleToString(bt->button->getHandle()));
// bt->button->hide(true);
bt->button->invalidate();
bt = bt->next;
}
if (gPageManager && gPageManager->getCallDropPage())
{
ulong handle = (mPage.pageID << 16) & 0xffff0000;
gPageManager->getCallDropPage()(handle);
}
mZOrder = ZORDER_INVALID;
mVisible = false;
}
#ifdef _SCALE_SKIA_
void TPage::calcPosition(int im_width, int im_height, int *left, int *top, bool scale)
#else
void TPage::calcPosition(int im_width, int im_height, int *left, int *top)
#endif
{
DECL_TRACER("TPage::calcPosition(int im_width, int im_height, int *left, int *top)");
int nw = mPage.width;
int nh = mPage.height;
#ifdef _SCALE_SKIA_
if (scale && gPageManager && gPageManager->getScaleFactor() != 1.0)
{
nw = (int)((double)width * gPageManager->getScaleFactor());
nh = (int)((double)height * gPageManager->getScaleFactor());
}
#endif
switch (sr[0].jb)
{
case 0: // absolute position
*left = sr[0].bx;
*top = sr[0].by;
#ifdef _SCALE_SKIA_
if (scale && gPageManager && gPageManager->getScaleFactor() != 1.0)
{
*left = (int)((double)sr[0].bx * gPageManager->getScaleFactor());
*left = (int)((double)sr[0].by * gPageManager->getScaleFactor());
}
#endif
break;
case 1: // top, left
*left = 0;
*top = 0;
break;
case 2: // center, top
*left = (nw - im_width) / 2;
*top = 0;
break;
case 3: // right, top
*left = nw - im_width;
*top = 0;
break;
case 4: // left, middle
*left = 0;
*top = (nh - im_height) / 2;
break;
case 6: // right, middle
*left = nw - im_width;
*top = (nh - im_height) / 2;
break;
case 7: // left, bottom
*left = 0;
*top = nh - im_height;
break;
case 8: // center, bottom
*left = (nw - im_width) / 2;
*top = nh - im_height;
break;
case 9: // right, bottom
*left = nw - im_width;
*top = nh - im_height;
break;
default: // center middle
*left = (nw - im_width) / 2;
*top = (nh - im_height) / 2;
}
if (*left < 0)
*left = 0;
if (*top < 0)
*top = 0;
}
void TPage::sortSubpages()
{
DECL_TRACER("TPage::sortSubpage()");
PAGECHAIN_T *pages = nullptr;
bool turned = false;
// Here we do a simple bubble sort to bring the subpages in ascending Z-order
do
{
turned = false;
pages = mSubPages;
while (pages && pages->next)
{
int actZ = 0;
int nextZ = 0;
if (pages->next->subpage && pages->subpage)
{
nextZ = pages->next->subpage->getZOrder();
actZ = pages->subpage->getZOrder();
}
if (actZ > nextZ) // Turn?
{ // Yes, then change only pointers to subpages
TSubPage *sp = pages->next->subpage;
pages->next->subpage = pages->subpage;
pages->subpage = sp;
turned = true;
}
pages = pages->next;
}
}
while (turned);
}
int TPage::getNextZOrder()
{
DECL_TRACER("TPage::getNextZOrder()");
// Find highest z-order number
PAGECHAIN_T *pages = mSubPages;
int cnt = 0;
while(pages)
{
if (pages->subpage->getZOrder() != ZORDER_INVALID)
{
cnt++;
pages->subpage->setZOrder(cnt);
}
pages = pages->next;
}
mZOrder = cnt + 1;
MSG_DEBUG("New Z-order: " << mZOrder);
return mZOrder;
}
int TPage::decZOrder()
{
DECL_TRACER("TPage::decZOrder()");
// Find highest z-order number
PAGECHAIN_T *pages = mSubPages;
int z = 0;
while(pages)
{
if (pages->subpage->getZOrder() != ZORDER_INVALID)
{
z++;
pages->subpage->setZOrder(z);
}
pages = pages->next;
}
mZOrder = z;
return mZOrder;
}