Qt UI: runner: Add error page

7 files changed, 158 insertions, 2 deletions

diff --git a/ui/qt5/CMakeLists.txt b/ui/qt5/CMakeLists.txt
index 930a84a..23f269b 100644
--- a/ui/qt5/CMakeLists.txt
+++ b/ui/qt5/CMakeLists.txt
@@ -27,10 +27,12 @@ set(UI_SOURCES
     horizon.qrc)
 
 set(RUN_QT_SOURCES
+    horizonhelpwindow.cc
     horizonwizardpage.cc
     runner/main.cc
     runner/executorwizard.cc
     runner/executepage.cc
+    runner/errorpage.cc
     runner/finishedpage.cc
 
     horizon.qrc)
diff --git a/ui/qt5/runner/errorpage.cc b/ui/qt5/runner/errorpage.cc
new file mode 100644
index 0000000..f645a10
--- /dev/null
+++ b/ui/qt5/runner/errorpage.cc
@@ -0,0 +1,109 @@
+/*
+ * errorpage.cc - Implementation of the UI.Perform.Error page
+ * horizon-run-qt5, the Qt 5 executor user interface for
+ * Project Horizon
+ *
+ * Copyright (c) 2019 Adélie Linux and contributors.  All rights reserved.
+ * This code is licensed under the AGPL 3.0 license, as noted in the
+ * LICENSE-code file in the root directory of this repository.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+#include "errorpage.hh"
+
+#include <QFileDialog>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QMessageBox>
+#include <QProcess>
+#include <QPushButton>
+#include <QVBoxLayout>
+
+#include "executorwizard.hh"
+#include "executepage.hh"
+#include "../horizonhelpwindow.hh"
+
+ErrorPage::ErrorPage(QWidget *parent) : HorizonWizardPage(parent) {
+    setTitle(tr("Installation Couldn't Finish"));
+    loadWatermark("intro");
+    setFinalPage(true);
+
+    descLabel = new QLabel(tr("I am Error."));
+    descLabel->setWordWrap(true);
+
+    QPushButton *viewLog = new QPushButton(tr("&View Log"));
+    viewLog->setWhatsThis(tr("Opens a log viewer, in which you can examine the contents of the installation log file."));
+    connect(viewLog, &QPushButton::clicked, [=]{
+        QFile log("/var/log/horizon/executor.log");
+        log.open(QFile::ReadOnly);
+        HorizonHelpWindow window(&log, this, true);
+        window.exec();
+    });
+    QPushButton *saveData = new QPushButton(tr("&Save Script/Log..."));
+    saveData->setWhatsThis(tr("Allows you to save the HorizonScript and installation log files to removable media."));
+    connect(saveData, &QPushButton::clicked, [=]{
+        bool success = true;
+
+        QString dir = QFileDialog::getExistingDirectory(this, tr("Choose Directory"), "/target/root");
+        if(dir.size() > 0) {
+            success = QFile::copy("/etc/horizon/installfile", dir + QDir::separator() + "installfile");
+            if(success) success = QFile::copy("/var/log/horizon/executor.log", dir + QDir::separator() + "install.log");
+        }
+
+        if(!success) {
+            QMessageBox::critical(this, tr("Could Not Save Installation Data"), tr("Unable to save installation data to %1.").arg(dir));
+        }
+    });
+    QPushButton *popAnXterm = new QPushButton(tr("Open &Terminal"));
+    popAnXterm->setWhatsThis(tr("Opens a terminal, to allow you to run commands from the installation environment."));
+    connect(popAnXterm, &QPushButton::clicked, [=]{
+        QProcess p;
+        p.execute("xterm", {"-fa", "Liberation Mono", "-fs", "12"});
+    });
+
+    QHBoxLayout *buttonLayout = new QHBoxLayout;
+    buttonLayout->addWidget(viewLog);
+    buttonLayout->addWidget(saveData);
+    buttonLayout->addWidget(popAnXterm);
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(descLabel);
+    layout->addStretch();
+    layout->addLayout(buttonLayout);
+
+    setLayout(layout);
+}
+
+void ErrorPage::initializePage() {
+    ExecutePage *epage = dynamic_cast<ExecutePage *>(wizard()->page(ExecutorWizard::Page_Execute));
+    switch(epage->currentPhase()) {
+    case ExecutePage::Prepare:
+        descLabel->setText(tr(
+            "An issue occurred while preparing this computer for installation.\n\n"
+            "This almost always indicates a corrupted installation medium, or a hardware fault.\n\n"
+            "Try creating a new installation medium.  If that doesn't work, you will need to have your computer serviced.\n\n"
+            "Technical Details: A failure in the Prepare phase means the Executor process failed to start, crashed during initialisation, or encountered an early parsing failure in the HorizonScript."));
+        break;
+    case ExecutePage::Validate:
+        descLabel->setText(tr(
+            "An issue occurred while validating the installation script.\n\n"
+            "If you used the System Installation Wizard, you have encountered a bug in the wizard.  "
+            "Please choose \"Save Script/Log...\" and follow the instructions at https://horizon.adelielinux.org/bug to report this issue.\n\n"
+            "If you wrote the script yourself, you have made a syntax error."));
+        break;
+    case ExecutePage::Disk:
+        descLabel->setText(tr(
+            "An issue occurred while manipulating this computer's hard disk(s).\n\n"
+            "This may indicate a disk is read-only, an issue with the disk's controller or cabling, or a failing disk.\n\n"
+            "Ensure you have selected the correct hard disk drive.  "
+            "If the correct disk is selected, check the cabling from the drive to the controller, and the controller to the computer.\n\n"
+            "Otherwise, ensure the disk is not physically damaged."));
+        break;
+    case ExecutePage::PreMeta:
+    case ExecutePage::Net:
+    case ExecutePage::Pkg:
+    case ExecutePage::PostMeta:
+        break;
+    }
+}
diff --git a/ui/qt5/runner/errorpage.hh b/ui/qt5/runner/errorpage.hh
new file mode 100644
index 0000000..0cb59af
--- /dev/null
+++ b/ui/qt5/runner/errorpage.hh
@@ -0,0 +1,27 @@
+/*
+ * errorpage.hh - Definition of the UI.Perform.Error page
+ * horizon-run-qt5, the Qt 5 executor user interface for
+ * Project Horizon
+ *
+ * Copyright (c) 2019 Adélie Linux and contributors.  All rights reserved.
+ * This code is licensed under the AGPL 3.0 license, as noted in the
+ * LICENSE-code file in the root directory of this repository.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+#ifndef ERRORPAGE_HH
+#define ERRORPAGE_HH
+
+#include "../horizonwizardpage.hh"
+#include <QLabel>
+
+class ErrorPage : public HorizonWizardPage {
+public:
+    ErrorPage(QWidget *parent = nullptr);
+    void initializePage();
+private:
+    QLabel *descLabel;
+};
+
+#endif  /* !ERRORPAGE_HH */
diff --git a/ui/qt5/runner/executepage.cc b/ui/qt5/runner/executepage.cc
index 817a61c..fd9581e 100644
--- a/ui/qt5/runner/executepage.cc
+++ b/ui/qt5/runner/executepage.cc
@@ -12,6 +12,8 @@
 
 #include "executepage.hh"
 
+#include "executorwizard.hh"
+
 #include <QAbstractButton>
 #include <QGridLayout>
 #include <QProcess>
@@ -21,6 +23,7 @@
 ExecutePage::ExecutePage(QWidget *parent) : HorizonWizardPage(parent) {
     setTitle(tr("Installing Adélie Linux…"));
     loadWatermark("intro");
+    failed = false;
 
     QLabel *descLabel = new QLabel(tr("Please wait while System Installation performs the following tasks:"));
     descLabel->setWordWrap(true);
@@ -156,6 +159,7 @@ void ExecutePage::markFailed(Phase phase) {
     labelsForPhase(phase, &icon, &text);
     icon->setPixmap(loadDPIAwarePixmap("status-issue", ".svg"));
     text->setFont(boldFont);
+    failed = true;
 }
 
 void ExecutePage::executorReady() {
@@ -196,3 +200,10 @@ void ExecutePage::executorFinished(int code, QProcess::ExitStatus status) {
     wizard()->button(QWizard::CancelButton)->setEnabled(false);
     finishTimer->start();
 }
+
+int ExecutePage::nextId() const {
+    if(failed) {
+        return ExecutorWizard::Page_Error;
+    }
+    return ExecutorWizard::Page_Finished;
+}
diff --git a/ui/qt5/runner/executepage.hh b/ui/qt5/runner/executepage.hh
index b3d11b4..57d38da 100644
--- a/ui/qt5/runner/executepage.hh
+++ b/ui/qt5/runner/executepage.hh
@@ -1,5 +1,5 @@
 /*
- * executepage.cc - Implementation of the UI.Perform page
+ * executepage.hh - Defintion of the UI.Perform page
  * horizon-run-qt5, the Qt 5 executor user interface for
  * Project Horizon
  *
@@ -33,6 +33,9 @@ public:
     };
 
     ExecutePage(QWidget *parent = nullptr);
+    int nextId() const;
+    Phase currentPhase() { return this->current; }
+
 private:
     QLabel *prepareStatus;
     QLabel *prepare;
@@ -55,6 +58,7 @@ private:
     QFile log;
 
     Phase current;
+    bool failed;
 
     Phase stepToPhase(QString step);
     void labelsForPhase(Phase phase, QLabel **icon, QLabel **text);
diff --git a/ui/qt5/runner/executorwizard.cc b/ui/qt5/runner/executorwizard.cc
index ae58a21..95aea6e 100644
--- a/ui/qt5/runner/executorwizard.cc
+++ b/ui/qt5/runner/executorwizard.cc
@@ -15,6 +15,7 @@
 #include <QAbstractButton>
 
 #include "executepage.hh"
+#include "errorpage.hh"
 #include "finishedpage.hh"
 
 ExecutorWizard::ExecutorWizard(QWidget *parent) : QWizard(parent) {
@@ -23,6 +24,7 @@ ExecutorWizard::ExecutorWizard(QWidget *parent) : QWizard(parent) {
     setFixedSize(QSize(650, 450));
 
     setPage(Page_Execute, new ExecutePage);
+    setPage(Page_Error, new ErrorPage);
     setPage(Page_Finished, new FinishedPage);
 
     setOption(NoBackButtonOnStartPage);
diff --git a/ui/qt5/runner/executorwizard.hh b/ui/qt5/runner/executorwizard.hh
index 578f745..eb09bcc 100644
--- a/ui/qt5/runner/executorwizard.hh
+++ b/ui/qt5/runner/executorwizard.hh
@@ -1,5 +1,5 @@
 /*
- * executorwizard.cc - Implementation of the wizard class
+ * executorwizard.hh - Definition of the wizard class
  * horizon-run-qt5, the Qt 5 executor user interface for
  * Project Horizon
  *
@@ -19,6 +19,7 @@ class ExecutorWizard : public QWizard {
 public:
     enum {
         Page_Execute,
+        Page_Error,
         Page_Finished
     };