mirror of
git://projects.qi-hardware.com/gmenu2x.git
synced 2024-11-16 19:18:26 +02:00
Keep track of Link objects using unique_ptr
This ensures the memory is freed when the pointers are removed. While there was an explicit delete loop in the destructor, memory leaks could occur when links were removed from the menu.
This commit is contained in:
Maarten ter Huurne
parent
aa45ed9a74
commit
7eb377a857
116
src/menu.cpp
116
src/menu.cpp
@ -104,8 +104,8 @@ Menu::Menu(GMenu2X& gmenu2x, Touchscreen &ts)
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btnContextMenu.setPosition(gmenu2x.resX - 38, gmenu2x.bottomBarIconY);
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}
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Menu::~Menu() {
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freeLinks();
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Menu::~Menu()
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{
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}
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void Menu::readSections(std::string const& parentDir)
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@ -151,11 +151,11 @@ void Menu::skinUpdated() {
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linkRows = (gmenu2x.resY - 35 - skinConfInt["topBarHeight"]) / skinConfInt["linkHeight"];
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//reload section icons
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vector<string>::size_type i = 0;
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for (string sectionName : sections) {
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decltype(links)::size_type i = 0;
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for (auto& sectionName : sections) {
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gmenu2x.sc["skin:sections/" + sectionName + ".png"];
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for (Link *&link : links[i]) {
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for (auto& link : links[i]) {
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link->loadIcon();
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}
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@ -233,8 +233,8 @@ void Menu::paint(Surface &s) {
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sc.skinRes("imgs/section-l.png")->blit(s, 0, 0);
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sc.skinRes("imgs/section-r.png")->blit(s, width - 10, 0);
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vector<Link*> §ionLinks = links[iSection];
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const uint numLinks = sectionLinks.size();
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auto& sectionLinks = links[iSection];
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auto numLinks = sectionLinks.size();
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gmenu2x.drawScrollBar(
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linkRows, (numLinks + linkColumns - 1) / linkColumns, iFirstDispRow);
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@ -353,18 +353,16 @@ bool Menu::handleTouchscreen(Touchscreen &ts) {
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/*====================================
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SECTION MANAGEMENT
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====================================*/
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void Menu::freeLinks() {
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for (vector< vector<Link*> >::iterator section = links.begin(); section<links.end(); section++)
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for (vector<Link*>::iterator link = section->begin(); link<section->end(); link++)
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delete *link;
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}
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vector<Link*> *Menu::sectionLinks(int i) {
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if (i<0 || i>=(int)links.size())
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vector<unique_ptr<Link>> *Menu::sectionLinks(int i)
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{
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if (i<0 || i>=(int)links.size()) {
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i = selSectionIndex();
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}
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if (i<0 || i>=(int)links.size())
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return NULL;
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if (i<0 || i>=(int)links.size()) {
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return nullptr;
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}
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return &links[i];
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}
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@ -417,7 +415,7 @@ void Menu::addActionLink(uint section, string const& title, Action action,
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link->setIcon(icon);
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}
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links[section].push_back(link);
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links[section].emplace_back(link);
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}
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bool Menu::addLink(string const& path, string const& file)
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@ -501,7 +499,7 @@ bool Menu::addLink(string const& path, string const& file)
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auto idx = sectionNamed(sectionName);
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auto link = new LinkApp(gmenu2x, linkpath, true);
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link->setSize(gmenu2x.skinConfInt["linkWidth"], gmenu2x.skinConfInt["linkHeight"]);
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links[idx].push_back(link);
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links[idx].emplace_back(link);
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} else {
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ERROR("Error while opening the file '%s' for write.\n", linkpath.c_str());
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@ -525,7 +523,6 @@ int Menu::sectionNamed(const char *sectionName)
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void Menu::deleteSelectedLink()
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{
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bool icon_used = false;
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string iconpath = selLink()->getIconPath();
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INFO("Deleting link '%s'\n", selLink()->getTitle().c_str());
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@ -535,14 +532,17 @@ void Menu::deleteSelectedLink()
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sectionLinks()->erase( sectionLinks()->begin() + selLinkIndex() );
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setLinkIndex(selLinkIndex());
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for (vector< vector<Link*> >::iterator section = links.begin();
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!icon_used && section<links.end(); section++)
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for (vector<Link*>::iterator link = section->begin();
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!icon_used && link<section->end(); link++)
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icon_used = iconpath == (*link)->getIconPath();
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if (!icon_used)
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bool icon_used = false;
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for (auto& section : links) {
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for (auto& link : section) {
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if (iconpath == link->getIconPath()) {
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icon_used = true;
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}
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}
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}
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if (!icon_used) {
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gmenu2x.sc.del(iconpath);
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}
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}
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void Menu::deleteSelectedSection() {
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@ -555,15 +555,26 @@ void Menu::deleteSelectedSection() {
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}
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bool Menu::linkChangeSection(uint linkIndex, uint oldSectionIndex, uint newSectionIndex) {
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if (oldSectionIndex<sections.size() && newSectionIndex<sections.size() && linkIndex<sectionLinks(oldSectionIndex)->size()) {
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sectionLinks(newSectionIndex)->push_back( sectionLinks(oldSectionIndex)->at(linkIndex) );
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sectionLinks(oldSectionIndex)->erase( sectionLinks(oldSectionIndex)->begin()+linkIndex );
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//Select the same link in the new position
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// Fetch sections.
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auto oldSectionLinks = sectionLinks(oldSectionIndex);
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if (!oldSectionLinks) return false;
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auto newSectionLinks = sectionLinks(newSectionIndex);
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if (!newSectionLinks) return false;
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// Find link in old section.
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if (linkIndex >= oldSectionLinks->size()) return false;
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auto it = oldSectionLinks->begin() + linkIndex;
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// Move link.
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auto link = it->release();
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oldSectionLinks->erase(it);
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newSectionLinks->emplace_back(link);
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// Select the same link in the new section.
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setSectionIndex(newSectionIndex);
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setLinkIndex(sectionLinks(newSectionIndex)->size()-1);
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setLinkIndex(newSectionLinks->size() - 1);
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return true;
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}
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return false;
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}
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void Menu::linkLeft() {
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@ -615,8 +626,12 @@ int Menu::selLinkIndex() {
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}
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Link *Menu::selLink() {
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if (sectionLinks()->size()==0) return NULL;
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return sectionLinks()->at(iLink);
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auto curSectionLinks = sectionLinks();
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if (curSectionLinks->empty()) {
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return nullptr;
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} else {
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return curSectionLinks->at(iLink).get();
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}
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}
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LinkApp *Menu::selLinkApp() {
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@ -705,7 +720,7 @@ void Menu::openPackage(std::string const& path, bool order)
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link->setSize(gmenu2x.skinConfInt["linkWidth"], gmenu2x.skinConfInt["linkHeight"]);
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auto idx = sectionNamed(link->getCategory());
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links[idx].push_back(link);
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links[idx].emplace_back(link);
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}
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opk_close(opk);
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@ -753,11 +768,9 @@ bool Menu::readPackages(std::string const& parentDir)
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* correspond to an OPK present in the directory. */
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void Menu::removePackageLink(std::string const& path)
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{
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for (vector< vector<Link*> >::iterator section = links.begin();
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section < links.end(); section++) {
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for (vector<Link*>::iterator link = section->begin();
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link < section->end(); link++) {
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LinkApp *app = dynamic_cast<LinkApp *> (*link);
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for (auto section = links.begin(); section != links.end(); ++section) {
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for (auto link = section->begin(); link != section->end(); ++link) {
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LinkApp *app = dynamic_cast<LinkApp *>(link->get());
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if (!app || !app->isOpk() || app->getOpkFile().empty())
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continue;
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@ -766,9 +779,10 @@ void Menu::removePackageLink(std::string const& path)
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app->getOpkFile().c_str());
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section->erase(link);
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if (section - links.begin() == iSection
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&& iLink == (int) section->size())
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&& iLink == (int) section->size()) {
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setLinkIndex(iLink - 1);
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link--;
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}
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--link;
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}
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}
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}
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@ -783,17 +797,19 @@ void Menu::removePackageLink(std::string const& path)
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#endif
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#endif
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static bool compare_links(Link *a, Link *b)
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static bool compare_links(unique_ptr<Link> const& a, unique_ptr<Link> const& b)
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{
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LinkApp *app1 = dynamic_cast<LinkApp *>(a);
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LinkApp *app2 = dynamic_cast<LinkApp *>(b);
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LinkApp *app1 = dynamic_cast<LinkApp *>(a.get());
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LinkApp *app2 = dynamic_cast<LinkApp *>(b.get());
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bool app1_is_opk = app1 && app1->isOpk(),
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app2_is_opk = app2 && app2->isOpk();
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if (app1_is_opk && !app2_is_opk)
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if (app1_is_opk && !app2_is_opk) {
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return false;
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if (app2_is_opk && !app1_is_opk)
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}
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if (app2_is_opk && !app1_is_opk) {
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return true;
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}
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return a->getTitle().compare(b->getTitle()) < 0;
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}
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@ -825,7 +841,7 @@ void Menu::readLinks()
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}
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void Menu::readLinksOfSection(
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vector<Link*>& links, string const& path, bool deletable)
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vector<unique_ptr<Link>>& links, string const& path, bool deletable)
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{
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DIR *dirp = opendir(path.c_str());
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if (!dirp) return;
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@ -839,7 +855,7 @@ void Menu::readLinksOfSection(
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link->setSize(
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gmenu2x.skinConfInt["linkWidth"],
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gmenu2x.skinConfInt["linkHeight"]);
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links.push_back(link);
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links.emplace_back(link);
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} else {
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delete link;
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}
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@ -60,7 +60,7 @@ private:
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int iSection, iLink;
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uint iFirstDispRow;
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std::vector<std::string> sections;
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std::vector<std::vector<Link*>> links;
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std::vector<std::vector<std::unique_ptr<Link>>> links;
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uint linkColumns, linkRows;
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@ -72,7 +72,7 @@ private:
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*/
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void calcSectionRange(int &leftSection, int &rightSection);
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std::vector<Link*> *sectionLinks(int i = -1);
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std::vector<std::unique_ptr<Link>> *sectionLinks(int i = -1);
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void readLinks();
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void freeLinks();
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@ -89,7 +89,7 @@ private:
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#endif
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// Load all the links on the given section directory.
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void readLinksOfSection(std::vector<Link*>& links,
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void readLinksOfSection(std::vector<std::unique_ptr<Link>>& links,
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std::string const& path, bool deletable);
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/**
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