Adding upstream version 1.2.2.upstream/1.2.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 261 insertions, 0 deletions

diff --git a/src/ui/dialog/memory.cpp b/src/ui/dialog/memory.cpp
new file mode 100644
index 0000000..10829e6
--- /dev/null
+++ b/src/ui/dialog/memory.cpp
@@ -0,0 +1,261 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * Memory statistics dialog.
+ */
+/* Authors:
+ *   MenTaLguY <mental@rydia.net>
+ *
+ * Copyright (C) 2005
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "ui/dialog/memory.h"
+#include <glibmm/i18n.h>
+#include <glibmm/main.h>
+
+#include <gtkmm/liststore.h>
+#include <gtkmm/treeview.h>
+#include <gtkmm/dialog.h>
+
+#include "inkgc/gc-core.h"
+#include "debug/heap.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+namespace {
+
+Glib::ustring format_size(std::size_t value) {
+    if (!value) {
+        return Glib::ustring("0");
+    }
+
+    typedef std::vector<char> Digits;
+    typedef std::vector<Digits *> Groups;
+
+    Groups groups;
+
+    Digits *digits;
+
+    while (value) {
+        unsigned places=3;
+        digits = new Digits();
+        digits->reserve(places);
+
+        while ( value && places ) {
+            digits->push_back('0' + (char)( value % 10 ));
+            value /= 10;
+            --places;
+        }
+
+        groups.push_back(digits);
+    }
+
+    Glib::ustring temp;
+
+    while (true) {
+        digits = groups.back();
+        while (!digits->empty()) {
+            temp.append(1, digits->back());
+            digits->pop_back();
+        }
+        delete digits;
+
+        groups.pop_back();
+        if (groups.empty()) {
+            break;
+        }
+
+        temp.append(",");
+    }
+
+    return temp;
+}
+
+}
+
+struct Memory::Private {
+    class ModelColumns : public Gtk::TreeModel::ColumnRecord {
+    public:
+        Gtk::TreeModelColumn<Glib::ustring> name;
+        Gtk::TreeModelColumn<Glib::ustring> used;
+        Gtk::TreeModelColumn<Glib::ustring> slack;
+        Gtk::TreeModelColumn<Glib::ustring> total;
+
+        ModelColumns() { add(name); add(used); add(slack); add(total); }
+    };
+
+    Private() {
+        model = Gtk::ListStore::create(columns);
+        view.set_model(model);
+        view.append_column(_("Heap"), columns.name);
+        view.append_column(_("In Use"), columns.used);
+        // TRANSLATORS: "Slack" refers to memory which is in the heap but currently unused.
+        //  More typical usage is to call this memory "free" rather than "slack".
+        view.append_column(_("Slack"), columns.slack);
+        view.append_column(_("Total"), columns.total);
+    }
+
+    void update();
+
+    void start_update_task();
+    void stop_update_task();
+
+    ModelColumns columns;
+    Glib::RefPtr<Gtk::ListStore> model;
+    Gtk::TreeView view;
+
+    sigc::connection update_task;
+};
+
+void Memory::Private::update() {
+    Debug::Heap::Stats total = { 0, 0 };
+
+    int aggregate_features = Debug::Heap::SIZE_AVAILABLE | Debug::Heap::USED_AVAILABLE;
+    Gtk::ListStore::iterator row;
+
+    row = model->children().begin();
+
+    for ( unsigned i = 0 ; i < Debug::heap_count() ; i++ ) {
+        Debug::Heap *heap=Debug::get_heap(i);
+        if (heap) {
+            Debug::Heap::Stats stats=heap->stats();
+            int features=heap->features();
+
+            aggregate_features &= features;
+
+            if ( row == model->children().end() ) {
+                row = model->append();
+            }
+
+            row->set_value(columns.name, Glib::ustring(heap->name()));
+            if ( features & Debug::Heap::SIZE_AVAILABLE ) {
+                row->set_value(columns.total, format_size(stats.size));
+                total.size += stats.size;
+            } else {
+                row->set_value(columns.total, Glib::ustring(_("Unknown")));
+            }
+            if ( features & Debug::Heap::USED_AVAILABLE ) {
+                row->set_value(columns.used, format_size(stats.bytes_used));
+                total.bytes_used += stats.bytes_used;
+            } else {
+                row->set_value(columns.used, Glib::ustring(_("Unknown")));
+            }
+            if ( features & Debug::Heap::SIZE_AVAILABLE &&
+                 features & Debug::Heap::USED_AVAILABLE )
+            {
+                row->set_value(columns.slack, format_size(stats.size - stats.bytes_used));
+            } else {
+                row->set_value(columns.slack, Glib::ustring(_("Unknown")));
+            }
+
+            ++row;
+        }
+    }
+
+    if ( row == model->children().end() ) {
+        row = model->append();
+    }
+
+    Glib::ustring value;
+
+    row->set_value(columns.name, Glib::ustring(_("Combined")));
+
+    if ( aggregate_features & Debug::Heap::SIZE_AVAILABLE ) {
+        row->set_value(columns.total, format_size(total.size));
+    } else {
+        row->set_value(columns.total, Glib::ustring("> ") + format_size(total.size));
+    }
+
+    if ( aggregate_features & Debug::Heap::USED_AVAILABLE ) {
+        row->set_value(columns.used, format_size(total.bytes_used));
+    } else {
+        row->set_value(columns.used, Glib::ustring("> ") + format_size(total.bytes_used));
+    }
+
+    if ( aggregate_features & Debug::Heap::SIZE_AVAILABLE &&
+         aggregate_features & Debug::Heap::USED_AVAILABLE )
+    {
+        row->set_value(columns.slack, format_size(total.size - total.bytes_used));
+    } else {
+        row->set_value(columns.slack, Glib::ustring(_("Unknown")));
+    }
+
+    ++row;
+
+    while ( row != model->children().end() ) {
+        row = model->erase(row);
+    }
+}
+
+void Memory::Private::start_update_task() {
+    update_task.disconnect();
+    update_task = Glib::signal_timeout().connect(
+        sigc::bind_return(sigc::mem_fun(*this, &Private::update), true),
+        500
+    );
+}
+
+void Memory::Private::stop_update_task() {
+    update_task.disconnect();
+}
+
+Memory::Memory()
+    : DialogBase("/dialogs/memory", "Memory")
+    , _private(*(new Memory::Private()))
+{
+    // Private conf
+    pack_start(_private.view);
+
+    _private.update();
+
+    signal_show().connect(sigc::mem_fun(_private, &Private::start_update_task));
+    signal_hide().connect(sigc::mem_fun(_private, &Private::stop_update_task));
+
+    // Add button
+    Gtk::Button *button = Gtk::manage(new Gtk::Button(_("Recalculate")));
+    button->signal_button_press_event().connect(sigc::mem_fun(*this, &Memory::_apply));
+
+    Gtk::ButtonBox *button_box = Gtk::manage(new Gtk::ButtonBox());
+    button_box->set_layout(Gtk::BUTTONBOX_END);
+    button_box->set_spacing(6);
+    button_box->set_border_width(4);
+    button_box->pack_end(*button);
+    pack_end(*button_box, Gtk::PACK_SHRINK, 0);
+
+    // Start
+    _private.start_update_task();
+
+    show_all_children();
+}
+
+Memory::~Memory() {
+    _private.stop_update_task();
+    delete &_private;
+}
+
+bool Memory::_apply(GdkEventButton * /* button */)
+{
+    GC::Core::gcollect();
+    _private.update();
+
+    return false;
+}
+
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :