From: Alexander Volkov Date: Tue, 10 Aug 2021 09:00:21 +0000 (+0300) Subject: Avoid crash on start when help actions are restricted through the Kiosk system X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/commitdiff_plain/7f4756aecba48f7b828301d9f8256d6376660855 Avoid crash on start when help actions are restricted through the Kiosk system KHelpMenu may not create some actions, so check for nullptr before setting "What's this?" text. (cherry picked from commit 0ac57fbe90d580a514c3bac4cefaa9ed87f178f9) --- diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp index 52b3e8d6a..961607d86 100644 --- a/src/dolphinmainwindow.cpp +++ b/src/dolphinmainwindow.cpp @@ -1688,8 +1688,13 @@ void DolphinMainWindow::setupActions() m_helpMenu = new KHelpMenu(nullptr); m_helpMenu->menu()->installEventFilter(this); // remove duplicate shortcuts - m_helpMenu->action(KHelpMenu::menuHelpContents)->setShortcut(QKeySequence()); - m_helpMenu->action(KHelpMenu::menuWhatsThis)->setShortcut(QKeySequence()); + auto removeHelpActionShortcut = [this](KHelpMenu::MenuId menuId) { + if (auto *action = m_helpMenu->action(menuId)) { + action->setShortcut(QKeySequence()); + } + }; + removeHelpActionShortcut(KHelpMenu::menuHelpContents); + removeHelpActionShortcut(KHelpMenu::menuWhatsThis); // not in menu actions QList nextTabKeys = KStandardShortcut::tabNext(); @@ -2285,6 +2290,18 @@ void DolphinMainWindow::setupWhatsThis() // StandardAction separately because both are used in different locations. // m_helpMenu is only used for createControlButton() button. + auto setStandardActionWhatsThis = [this](KStandardAction::StandardAction actionId, + const QString &whatsThis) { + if (auto *action = actionCollection()->action(KStandardAction::name(actionId))) { + action->setWhatsThis(whatsThis); + } + }; + auto setHelpActionWhatsThis = [this](KHelpMenu::MenuId menuId, const QString &whatsThis) { + if (auto *action = m_helpMenu->action(menuId)) { + action->setWhatsThis(whatsThis); + } + }; + // Links do not work within the Menubar so texts without links are provided there. // i18n: If the external link isn't available in your language you should @@ -2295,13 +2312,12 @@ void DolphinMainWindow::setupWhatsThis() const QString whatsThisHelpContents = xi18nc("@info:whatsthis handbook", "This opens the Handbook for this application. It provides " "explanations for every part of Dolphin."); - actionCollection()->action(KStandardAction::name(KStandardAction::HelpContents)) - ->setWhatsThis(whatsThisHelpContents + setStandardActionWhatsThis(KStandardAction::HelpContents, whatsThisHelpContents + xi18nc("@info:whatsthis second half of handbook hb text without link", "If you want more elaborate introductions to the " "different features of Dolphin " "go to the KDE UserBase Wiki.")); - m_helpMenu->action(KHelpMenu::menuHelpContents)->setWhatsThis(whatsThisHelpContents + setHelpActionWhatsThis(KHelpMenu::menuHelpContents, whatsThisHelpContents + xi18nc("@info:whatsthis second half of handbook text with link", "If you want more elaborate introductions to the " "different features of Dolphin " @@ -2313,8 +2329,7 @@ void DolphinMainWindow::setupWhatsThis() "using right now! Click it, then click any component of this " "application to ask \"What's this?\" about it. The mouse cursor " "will change appearance if no help is available for a spot."); - actionCollection()->action(KStandardAction::name(KStandardAction::WhatsThis)) - ->setWhatsThis(whatsThisWhatsThis + setStandardActionWhatsThis(KStandardAction::WhatsThis, whatsThisWhatsThis + xi18nc("@info:whatsthis second half of whatsthis button text without link", "There are two other ways to get help for this application: The " "Dolphin Handbook in the Help" @@ -2322,7 +2337,7 @@ void DolphinMainWindow::setupWhatsThis() "article about File Management online." "The \"What's this?\" help is " "missing in most other windows so don't get too used to this.")); - m_helpMenu->action(KHelpMenu::menuWhatsThis)->setWhatsThis(whatsThisWhatsThis + setHelpActionWhatsThis(KHelpMenu::menuWhatsThis, whatsThisWhatsThis + xi18nc("@info:whatsthis second half of whatsthis button text with link", "There are two other ways to get help: " "The Dolphin Handbook and " @@ -2333,9 +2348,8 @@ void DolphinMainWindow::setupWhatsThis() const QString whatsThisReportBug = xi18nc("@info:whatsthis","This opens a " "window that will guide you through reporting errors or flaws " "in this application or in other KDE software."); - actionCollection()->action(KStandardAction::name(KStandardAction::ReportBug)) - ->setWhatsThis(whatsThisReportBug); - m_helpMenu->action(KHelpMenu::menuReportBug)->setWhatsThis(whatsThisReportBug + setStandardActionWhatsThis(KStandardAction::ReportBug, whatsThisReportBug); + setHelpActionWhatsThis(KHelpMenu::menuReportBug, whatsThisReportBug + xi18nc("@info:whatsthis second half of reportbug text with link", "High-quality bug reports are much appreciated. To learn " "how to make your bug report as effective as possible " @@ -2352,33 +2366,30 @@ void DolphinMainWindow::setupWhatsThis() "require money like servers, contributor meetings, etc." "KDE e.V. is the non-profit " "organization behind the KDE community."); - actionCollection()->action(KStandardAction::name(KStandardAction::Donate)) - ->setWhatsThis(whatsThisDonate); - m_helpMenu->action(KHelpMenu::menuDonate)->setWhatsThis(whatsThisDonate); + setStandardActionWhatsThis(KStandardAction::Donate, whatsThisDonate); + setHelpActionWhatsThis(KHelpMenu::menuDonate, whatsThisDonate); const QString whatsThisSwitchLanguage = xi18nc("@info:whatsthis", "With this you can change the language this application uses." "You can even set secondary languages which will be used " "if texts are not available in your preferred language."); - actionCollection()->action(KStandardAction::name(KStandardAction::SwitchApplicationLanguage)) - ->setWhatsThis(whatsThisSwitchLanguage); - m_helpMenu->action(KHelpMenu::menuSwitchLanguage)->setWhatsThis(whatsThisSwitchLanguage); + setStandardActionWhatsThis(KStandardAction::SwitchApplicationLanguage, + whatsThisSwitchLanguage); + setHelpActionWhatsThis(KHelpMenu::menuSwitchLanguage, whatsThisSwitchLanguage); const QString whatsThisAboutApp = xi18nc("@info:whatsthis","This opens a " "window that informs you about the version, license, " "used libraries and maintainers of this application."); - actionCollection()->action(KStandardAction::name(KStandardAction::AboutApp)) - ->setWhatsThis(whatsThisAboutApp); - m_helpMenu->action(KHelpMenu::menuAboutApp)->setWhatsThis(whatsThisAboutApp); + setStandardActionWhatsThis(KStandardAction::AboutApp, whatsThisAboutApp); + setHelpActionWhatsThis(KHelpMenu::menuAboutApp, whatsThisAboutApp); const QString whatsThisAboutKDE = xi18nc("@info:whatsthis","This opens a " "window with information about KDE. " "The KDE community are the people behind this free software." "If you like using this application but don't know " "about KDE or want to see a cute dragon have a look!"); - actionCollection()->action(KStandardAction::name(KStandardAction::AboutKDE)) - ->setWhatsThis(whatsThisAboutKDE); - m_helpMenu->action(KHelpMenu::menuAboutKDE)->setWhatsThis(whatsThisAboutKDE); + setStandardActionWhatsThis(KStandardAction::AboutKDE, whatsThisAboutKDE); + setHelpActionWhatsThis(KHelpMenu::menuAboutKDE, whatsThisAboutKDE); } bool DolphinMainWindow::addHamburgerMenuToToolbar()