summaryrefslogtreecommitdiffstats
path: root/src/svg-view-slideshow.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/svg-view-slideshow.cpp')
-rw-r--r--src/svg-view-slideshow.cpp326
1 files changed, 326 insertions, 0 deletions
diff --git a/src/svg-view-slideshow.cpp b/src/svg-view-slideshow.cpp
new file mode 100644
index 000000000..109b0fcab
--- /dev/null
+++ b/src/svg-view-slideshow.cpp
@@ -0,0 +1,326 @@
+/*
+ * 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 <glibmm/main.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, int timer, double scale)
+ : _slides(slides)
+ , _current(0)
+ , _doc(SPDocument::createNewDoc(_slides[0].c_str(), true, false))
+ , _timer(timer)
+ , _scale(scale)
+ , _view(NULL)
+ , _ctrlwin(NULL)
+ , is_fullscreen(false)
+{
+ // setup initial document
+ auto default_screen = Gdk::Screen::get_default();
+ set_default_size(MIN ((int)_doc->getWidth().value("px")*_scale, default_screen->get_width() - 64),
+ MIN ((int)_doc->getHeight().value("px")*_scale, default_screen->get_height() - 64));
+
+ _view = sp_svg_view_widget_new(_doc);
+ SP_SVG_VIEW_WIDGET(_view)->setResize( false, _doc->getWidth().value("px"), _doc->getHeight().value("px") );
+ gtk_widget_show (_view);
+ add(*Glib::wrap(_view));
+
+ update_title();
+ show();
+
+ // connect signals
+ 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);
+ if(_timer) {
+ Glib::signal_timeout().connect_seconds(sigc::mem_fun(*this, &timer_callback), _timer);
+ }
+}
+
+
+
+/**
+ * @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();
+ }
+}
+
+
+/// Update the window title with current document name
+void SPSlideShow::update_title()
+{
+ Glib::ustring title(_doc->getName());
+ if (_slides.size() > 1) {
+ title += Glib::ustring::compose(" (%1/%2)", _current+1, _slides.size());
+ }
+
+ set_title(title);
+}
+
+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::timer_callback()
+{
+ show_next();
+
+ // stop the timer if the last slide is reached
+ if (_current == _slides.size()-1) {
+ return false;
+ } else {
+ return true;
+ }
+}
+
+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 :
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-19 15:37:50 +0000