forked from qt-creator/qt-creator
4bd26c3e4b
Not perfect, e.g. one would probably expect the items to appear in the context menu of the header views, too, not just on the main background of the view, but better than nothing. Task-number: QTCREATORBUG-23342 Change-Id: Ifdc44dcfd390112faa7b15bb8a51d809e42d7b29 Reviewed-by: Christian Stenger <christian.stenger@qt.io>
338 lines
11 KiB
C++
338 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "moduleshandler.h"
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#include "debuggeractions.h"
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#include "debuggerconstants.h"
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#include "debuggercore.h"
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#include "debuggerengine.h"
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#include <utils/basetreeview.h>
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#include <utils/hostosinfo.h>
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#include <utils/qtcassert.h>
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#include <utils/savedaction.h>
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#include <utils/treemodel.h>
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#include <QCoreApplication>
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#include <QDebug>
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#include <QMenu>
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#include <QSortFilterProxyModel>
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#include <functional>
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using namespace Utils;
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namespace Debugger {
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namespace Internal {
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class ModuleItem : public TreeItem
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{
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Q_DECLARE_TR_FUNCTIONS(Debuggger::Internal::ModulesHandler)
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public:
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QVariant data(int column, int role) const override;
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public:
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Module module;
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bool updated;
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};
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QVariant ModuleItem::data(int column, int role) const
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{
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switch (column) {
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case 0:
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if (role == Qt::DisplayRole)
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return module.moduleName;
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// FIXME: add icons
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//if (role == Qt::DecorationRole)
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// return module.symbolsRead ? icon2 : icon;
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break;
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case 1:
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if (role == Qt::DisplayRole)
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return module.modulePath;
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if (role == Qt::ToolTipRole) {
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QString msg;
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if (!module.elfData.buildId.isEmpty())
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msg += QString::fromLatin1("Build Id: " + module.elfData.buildId);
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if (!module.elfData.debugLink.isEmpty())
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msg += QString::fromLatin1("Debug Link: " + module.elfData.debugLink);
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return msg;
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}
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break;
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case 2:
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if (role == Qt::DisplayRole)
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switch (module.symbolsRead) {
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case Module::UnknownReadState: return tr("Unknown");
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case Module::ReadFailed: return tr("No");
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case Module::ReadOk: return tr("Yes");
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}
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break;
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case 3:
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if (role == Qt::DisplayRole)
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switch (module.elfData.symbolsType) {
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case UnknownSymbols: return tr("Unknown");
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case NoSymbols: return tr("None");
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case PlainSymbols: return tr("Plain");
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case FastSymbols: return tr("Fast");
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case LinkedSymbols: return tr("debuglnk");
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case BuildIdSymbols: return tr("buildid");
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}
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else if (role == Qt::ToolTipRole)
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switch (module.elfData.symbolsType) {
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case UnknownSymbols:
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return tr("It is unknown whether this module contains debug "
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"information.\nUse \"Examine Symbols\" from the "
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"context menu to initiate a check.");
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case NoSymbols:
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return tr("This module neither contains nor references debug "
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"information.\nStepping into the module or setting "
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"breakpoints by file and line will not work.");
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case PlainSymbols:
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case FastSymbols:
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return tr("This module contains debug information.\nStepping "
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"into the module or setting breakpoints by file and "
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"line is expected to work.");
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case LinkedSymbols:
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case BuildIdSymbols:
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return tr("This module does not contain debug information "
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"itself, but contains a reference to external "
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"debug information.");
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}
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break;
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case 4:
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if (role == Qt::DisplayRole)
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if (module.startAddress)
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return QString("0x" + QString::number(module.startAddress, 16));
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break;
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case 5:
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if (role == Qt::DisplayRole) {
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if (module.endAddress)
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return QString("0x" + QString::number(module.endAddress, 16));
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//: End address of loaded module
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return tr("<unknown>", "address");
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}
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break;
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}
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return QVariant();
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}
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//////////////////////////////////////////////////////////////////
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//
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// ModulesModel
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//
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//////////////////////////////////////////////////////////////////
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class ModulesModel : public TreeModel<TypedTreeItem<ModuleItem>, ModuleItem>
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{
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Q_DECLARE_TR_FUNCTIONS(Debuggger::Internal::ModulesHandler)
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public:
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bool setData(const QModelIndex &idx, const QVariant &data, int role) override
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{
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if (role == BaseTreeView::ItemViewEventRole) {
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ItemViewEvent ev = data.value<ItemViewEvent>();
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if (ev.type() == QEvent::ContextMenu)
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return contextMenuEvent(ev);
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}
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return TreeModel::setData(idx, data, role);
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}
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bool contextMenuEvent(const ItemViewEvent &ev);
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DebuggerEngine *engine;
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};
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bool ModulesModel::contextMenuEvent(const ItemViewEvent &ev)
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{
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ModuleItem *item = itemForIndexAtLevel<1>(ev.sourceModelIndex());
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const bool enabled = engine->debuggerActionsEnabled();
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const bool canReload = engine->hasCapability(ReloadModuleCapability);
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const bool canLoadSymbols = engine->hasCapability(ReloadModuleSymbolsCapability);
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const bool canShowSymbols = engine->hasCapability(ShowModuleSymbolsCapability);
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const bool moduleNameValid = item && !item->module.moduleName.isEmpty();
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const QString moduleName = item ? item->module.moduleName : QString();
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const QString modulePath = item ? item->module.modulePath : QString();
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auto menu = new QMenu;
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addAction(menu, tr("Update Module List"),
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enabled && canReload,
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[this] { engine->reloadModules(); });
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addAction(menu, tr("Show Source Files for Module \"%1\"").arg(moduleName),
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tr("Show Source Files for Module"),
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moduleNameValid && enabled && canReload,
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[this, modulePath] { engine->loadSymbols(modulePath); });
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// FIXME: Dependencies only available on Windows, when "depends" is installed.
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addAction(menu, tr("Show Dependencies of \"%1\"").arg(moduleName),
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tr("Show Dependencies"),
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moduleNameValid && !moduleName.isEmpty() && HostOsInfo::isWindowsHost(),
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[modulePath] { QProcess::startDetached("depends", {modulePath}); });
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addAction(menu, tr("Load Symbols for All Modules"),
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enabled && canLoadSymbols,
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[this] { engine->loadAllSymbols(); });
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addAction(menu, tr("Examine All Modules"),
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enabled && canLoadSymbols,
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[this] { engine->examineModules(); });
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addAction(menu, tr("Load Symbols for Module \"%1\"").arg(moduleName),
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tr("Load Symbols for Module"),
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moduleNameValid && canLoadSymbols,
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[this, modulePath] { engine->loadSymbols(modulePath); });
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addAction(menu, tr("Edit File \"%1\"").arg(moduleName),
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tr("Edit File"),
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moduleNameValid,
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[this, modulePath] { engine->gotoLocation(modulePath); });
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addAction(menu, tr("Show Symbols in File \"%1\"").arg(moduleName),
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tr("Show Symbols"),
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canShowSymbols && moduleNameValid,
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[this, modulePath] { engine->requestModuleSymbols(modulePath); });
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addAction(menu, tr("Show Sections in File \"%1\"").arg(moduleName),
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tr("Show Sections"),
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canShowSymbols && moduleNameValid,
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[this, modulePath] { engine->requestModuleSections(modulePath); });
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Internal::addHideColumnActions(menu, ev.view());
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menu->addAction(action(SettingsDialog));
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menu->popup(ev.globalPos());
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return true;
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}
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//////////////////////////////////////////////////////////////////
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//
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// ModulesHandler
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//
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//////////////////////////////////////////////////////////////////
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ModulesHandler::ModulesHandler(DebuggerEngine *engine)
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{
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QString pad = " ";
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m_model = new ModulesModel;
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m_model->engine = engine;
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m_model->setObjectName("ModulesModel");
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m_model->setHeader(QStringList({
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tr("Module Name") + pad,
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tr("Module Path") + pad,
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tr("Symbols Read") + pad,
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tr("Symbols Type") + pad,
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tr("Start Address") + pad,
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tr("End Address") + pad}));
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m_proxyModel = new QSortFilterProxyModel(this);
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m_proxyModel->setObjectName("ModulesProxyModel");
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m_proxyModel->setSourceModel(m_model);
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}
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ModulesHandler::~ModulesHandler()
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{
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delete m_model;
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}
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QAbstractItemModel *ModulesHandler::model() const
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{
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return m_proxyModel;
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}
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ModuleItem *ModulesHandler::moduleFromPath(const QString &modulePath) const
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{
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// Recent modules are more likely to be unloaded first.
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return m_model->findItemAtLevel<1>([modulePath](ModuleItem *item) {
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return item->module.modulePath == modulePath;
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});
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}
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void ModulesHandler::removeAll()
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{
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m_model->clear();
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}
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const Modules ModulesHandler::modules() const
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{
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Modules mods;
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m_model->forItemsAtLevel<1>([&mods](ModuleItem *item) { mods.append(item->module); });
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return mods;
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}
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void ModulesHandler::removeModule(const QString &modulePath)
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{
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if (ModuleItem *item = moduleFromPath(modulePath))
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m_model->destroyItem(item);
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}
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void ModulesHandler::updateModule(const Module &module)
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{
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const QString path = module.modulePath;
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if (path.isEmpty())
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return;
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ModuleItem *item = moduleFromPath(path);
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if (item) {
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item->module = module;
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} else {
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item = new ModuleItem;
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item->module = module;
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m_model->rootItem()->appendChild(item);
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}
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try { // MinGW occasionallly throws std::bad_alloc.
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ElfReader reader(path);
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item->module.elfData = reader.readHeaders();
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item->update();
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} catch(...) {
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qWarning("%s: An exception occurred while reading module '%s'",
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Q_FUNC_INFO, qPrintable(module.modulePath));
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}
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item->updated = true;
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}
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void ModulesHandler::beginUpdateAll()
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{
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m_model->forItemsAtLevel<1>([](ModuleItem *item) { item->updated = false; });
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}
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void ModulesHandler::endUpdateAll()
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{
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QList<TreeItem *> toDestroy;
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m_model->forItemsAtLevel<1>([&toDestroy](ModuleItem *item) {
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if (!item->updated)
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toDestroy.append(item);
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});
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for (TreeItem *item : toDestroy)
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m_model->destroyItem(item);
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}
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} // namespace Internal
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} // namespace Debugger
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