Inkview: Refactoring - move SPSlideShow to separate source file

(bzr r15690.1.8)

1 files changed, 300 insertions, 0 deletions

diff --git a/src/svg-view-slideshow.cpp b/src/svg-view-slideshow.cpp
new file mode 100644
index 000000000..eebcd94df
--- /dev/null
+++ b/src/svg-view-slideshow.cpp
@@ -0,0 +1,300 @@
+/*
+ * Inkscape - an ambitious vector drawing program
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Frank Felfe <innerspace@iname.com>
+ *   Davide Puricelli <evo@debian.org>
+ *   Mitsuru Oka <oka326@parkcity.ne.jp>
+ *   Masatake YAMATO  <jet@gyve.org>
+ *   F.J.Franklin <F.J.Franklin@sheffield.ac.uk>
+ *   Michael Meeks <michael@helixcode.com>
+ *   Chema Celorio <chema@celorio.com>
+ *   Pawel Palucha
+ * ... and various people who have worked with various projects
+ *   Abhishek Sharma
+ *
+ * Copyright (C) 1999-2002 authors
+ * Copyright (C) 2001-2002 Ximian, Inc.
+ *
+ * Inkscape authors:
+ *   Johan Ceuppens
+ *
+ * Copyright (C) 2004 Inkscape authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <gtkmm/applicationwindow.h>
+#include <gtkmm/button.h>
+#include <gtkmm/buttonbox.h>
+#include <gtkmm/image.h>
+#include <gtkmm/main.h>
+
+#include "document.h"
+#include "ui/icon-names.h"
+#include "util/units.h"
+
+#include "svg-view.h"
+#include "svg-view-slideshow.h"
+#include "svg-view-widget.h"
+
+
+
+SPSlideShow::SPSlideShow(std::vector<Glib::ustring> const &slides)
+    :
+        _slides(slides),
+        _current(0),
+        _doc(SPDocument::createNewDoc(_slides[0].c_str(), true, false)),
+        _view(NULL),
+        is_fullscreen(false),
+        _timer(0),
+        _ctrlwin(NULL)
+{
+    update_title();
+
+    auto default_screen = Gdk::Screen::get_default();
+
+    set_default_size(MIN ((int)_doc->getWidth().value("px"),  default_screen->get_width()  - 64),
+            MIN ((int)_doc->getHeight().value("px"), default_screen->get_height() - 64));
+
+    this->signal_key_press_event().connect(sigc::mem_fun(*this, &SPSlideShow::key_press), false);
+    this->signal_delete_event().connect(sigc::mem_fun(*this, &SPSlideShow::main_delete), false);
+
+    _doc->ensureUpToDate();
+    _view = sp_svg_view_widget_new (_doc);
+    _doc->doUnref ();
+    SP_SVG_VIEW_WIDGET(_view)->setResize( false, _doc->getWidth().value("px"), _doc->getHeight().value("px") );
+    gtk_widget_show (_view);
+    add(*Glib::wrap(_view));
+
+    show();
+}
+
+
+
+/**
+ * @brief Show the control buttons (next, previous etc) for the application
+ */
+void SPSlideShow::control_show()
+{
+    if (!_ctrlwin) {
+        _ctrlwin = new Gtk::Window();
+        _ctrlwin->set_resizable(false);
+        _ctrlwin->set_transient_for(*this);
+
+        _ctrlwin->signal_key_press_event().connect(sigc::mem_fun(*this, &SPSlideShow::key_press), false);
+        _ctrlwin->signal_delete_event().connect(sigc::mem_fun(*this, &SPSlideShow::ctrlwin_delete), false);
+
+        auto t = Gtk::manage(new Gtk::ButtonBox());
+        _ctrlwin->add(*t);
+
+        auto btn_go_first = Gtk::manage(new Gtk::Button());
+        auto img_go_first = Gtk::manage(new Gtk::Image());
+        img_go_first->set_from_icon_name(INKSCAPE_ICON("go-first"), Gtk::ICON_SIZE_BUTTON);
+        btn_go_first->set_image(*img_go_first);
+        t->add(*btn_go_first);
+        btn_go_first->signal_clicked().connect(sigc::mem_fun(*this, &SPSlideShow::goto_first));
+
+        auto btn_go_prev = Gtk::manage(new Gtk::Button());
+        auto img_go_prev = Gtk::manage(new Gtk::Image());
+        img_go_prev->set_from_icon_name(INKSCAPE_ICON("go-previous"), Gtk::ICON_SIZE_BUTTON);
+        btn_go_prev->set_image(*img_go_prev);
+        t->add(*btn_go_prev);
+        btn_go_prev->signal_clicked().connect(sigc::mem_fun(*this, &SPSlideShow::show_prev));
+
+        auto btn_go_next = Gtk::manage(new Gtk::Button());
+        auto img_go_next = Gtk::manage(new Gtk::Image());
+        img_go_next->set_from_icon_name(INKSCAPE_ICON("go-next"), Gtk::ICON_SIZE_BUTTON);
+        btn_go_next->set_image(*img_go_next);
+        t->add(*btn_go_next);
+        btn_go_next->signal_clicked().connect(sigc::mem_fun(*this, &SPSlideShow::show_next));
+
+        auto btn_go_last = Gtk::manage(new Gtk::Button());
+        auto img_go_last = Gtk::manage(new Gtk::Image());
+        img_go_last->set_from_icon_name(INKSCAPE_ICON("go-last"), Gtk::ICON_SIZE_BUTTON);
+        btn_go_last->set_image(*img_go_last);
+        t->add(*btn_go_last);
+        btn_go_last->signal_clicked().connect(sigc::mem_fun(*this, &SPSlideShow::goto_last));
+
+        _ctrlwin->show_all();
+    } else {
+        _ctrlwin->present();
+    }
+}
+
+void SPSlideShow::waiting_cursor()
+{
+    auto display = Gdk::Display::get_default();
+    auto waiting = Gdk::Cursor::create(display, Gdk::WATCH);
+    get_window()->set_cursor(waiting);
+
+    if (_ctrlwin) {
+        _ctrlwin->get_window()->set_cursor(waiting);
+    }
+    while(Gtk::Main::events_pending()) {
+        Gtk::Main::iteration();
+    }
+}
+
+void SPSlideShow::normal_cursor()
+{
+    get_window()->set_cursor();
+    if (_ctrlwin) {
+        _ctrlwin->get_window()->set_cursor();
+    }
+}
+
+void SPSlideShow::set_document(SPDocument *doc,
+                               int         current)
+{
+    if (doc && doc != _doc) {
+        doc->ensureUpToDate();
+        reinterpret_cast<SPSVGView*>(SP_VIEW_WIDGET_VIEW (_view))->setDocument (doc);
+        _doc = doc;
+        _current = current;
+        update_title();
+    }
+}
+
+/**
+ * @brief Show the next file in the slideshow
+ */
+void SPSlideShow::show_next()
+{
+    waiting_cursor();
+
+    SPDocument *doc = NULL;
+    while (!doc && (_current < _slides.size() - 1)) {
+        doc = SPDocument::createNewDoc ((_slides[++_current]).c_str(), TRUE, false);
+    }
+
+    set_document(doc, _current);
+    normal_cursor();
+}
+
+/**
+ * @brief Show the previous file in the slideshow
+ */
+void SPSlideShow::show_prev()
+{
+    waiting_cursor();
+
+    SPDocument *doc = NULL;
+    while (!doc && (_current > 0)) {
+        doc = SPDocument::createNewDoc ((_slides[--_current]).c_str(), TRUE, false);
+    }
+
+    set_document(doc, _current);
+    normal_cursor();
+}
+
+/**
+ * @brief Switch to first slide in slideshow
+ */
+void SPSlideShow::goto_first()
+{
+    waiting_cursor();
+
+    SPDocument *doc = NULL;
+    int current = 0;
+    while ( !doc && (current < _slides.size() - 1)) {
+        doc = SPDocument::createNewDoc((_slides[current++]).c_str(), TRUE, false);
+    }
+
+    set_document(doc, current - 1);
+
+    normal_cursor();
+}
+
+/**
+ * @brief Switch to last slide in slideshow
+ */
+void SPSlideShow::goto_last()
+{
+    waiting_cursor();
+
+    SPDocument *doc = NULL;
+    int current = _slides.size() - 1;
+    while (!doc && (current >= 0)) {
+        doc = SPDocument::createNewDoc((_slides[current--]).c_str(), TRUE, false);
+    }
+
+    set_document(doc, current + 1);
+
+    normal_cursor();
+}
+
+bool SPSlideShow::ctrlwin_delete (GdkEventAny */*event*/)
+{
+    if(_ctrlwin) delete _ctrlwin;
+    _ctrlwin = NULL;
+    return true;
+}
+
+bool SPSlideShow::main_delete (GdkEventAny */*event*/)
+{
+    Gtk::Main::quit();
+    return true;
+}
+
+bool SPSlideShow::key_press(GdkEventKey* event)
+{
+    switch (event->keyval) {
+        case GDK_KEY_Up:
+        case GDK_KEY_Home:
+            goto_first();
+            break;
+        case GDK_KEY_Down:
+        case GDK_KEY_End:
+            goto_last();
+            break;
+        case GDK_KEY_F11:
+            if (is_fullscreen) {
+                unfullscreen();
+                is_fullscreen = false;
+            } else {
+                fullscreen();
+                is_fullscreen = true;
+            }
+            break;
+        case GDK_KEY_Return:
+            control_show();
+        break;
+        case GDK_KEY_KP_Page_Down:
+        case GDK_KEY_Page_Down:
+        case GDK_KEY_Right:
+        case GDK_KEY_space:
+            show_next();
+        break;
+        case GDK_KEY_KP_Page_Up:
+        case GDK_KEY_Page_Up:
+        case GDK_KEY_Left:
+        case GDK_KEY_BackSpace:
+            show_prev();
+            break;
+        case GDK_KEY_Escape:
+        case GDK_KEY_q:
+        case GDK_KEY_Q:
+            Gtk::Main::quit();
+            break;
+        default:
+            break;
+    }
+    return false;
+}
+
+/*
+  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 :