callbacks.cc File Reference

#include "callbacks.hh"
#include <cstdlib>
#include <list>
#include <map>
#include <string>
#include <fmt/core.h>
#include <spdlog/spdlog.h>
#include <boost/scoped_array.hpp>
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include <cairo.h>
#include <scroom/assertions.hh>
#include <scroom/bookkeeping.hh>
#include "loader.hh"
#include "pluginmanager.hh"
#include "view.hh"
#include "workinterface.hh"

Include dependency graph for callbacks.cc:

Typedefs
using	Views = std::map< View::Ptr, Scroom::Bookkeeping::Token >

Functions
void	ShowModalDialog (const std::string &message)
void	on_scroom_hide (GtkWidget *, gpointer user_data)
void	on_new_activate (GtkMenuItem *, gpointer user_data)
gboolean	combinedFileFilter (const GtkFileFilterInfo *filter_info, gpointer data)
void	on_open_activate (GtkMenuItem *, gpointer user_data)
void	on_save_activate (GtkMenuItem *, gpointer)
void	on_save_as_activate (GtkMenuItem *, gpointer)
void	on_quit_activate (GtkMenuItem *, gpointer)
void	on_cut_activate (GtkMenuItem *, gpointer)
void	on_copy_activate (GtkMenuItem *, gpointer)
void	on_paste_activate (GtkMenuItem *, gpointer)
void	on_delete_activate (GtkMenuItem *, gpointer)
void	on_fullscreen_activate (GtkMenuItem *item, gpointer user_data)
void	on_close_activate (GtkMenuItem *, gpointer user_data)
void	on_about_activate (GtkMenuItem *, gpointer)
gboolean	on_drawingarea_expose_event (GtkWidget *widget, GdkEventExpose *, gpointer user_data)
gboolean	on_drawingarea_configure_event (GtkWidget *, GdkEventConfigure *, gpointer user_data)
gboolean	on_idle (gpointer user_data)
void	on_done_loading_plugins ()
void	on_zoombox_changed (GtkComboBox *, gpointer user_data)
void	on_textbox_value_changed (GtkEditable *editable, gpointer user_data)
void	on_scrollbar_value_changed (GtkAdjustment *adjustment, gpointer user_data)
gboolean	on_button_press_event (GtkWidget *, GdkEventButton *event, gpointer user_data)
gboolean	on_button_release_event (GtkWidget *, GdkEventButton *event, gpointer user_data)
gboolean	on_motion_notify_event (GtkWidget *, GdkEventMotion *event, gpointer user_data)
gboolean	on_scroll_event (GtkWidget *, GdkEventScroll *event, gpointer user_data)
bool	in_devmode ()
void	on_scroom_bootstrap (const FileNameMap &newFilenames)
void	on_scroom_terminating ()
void	find_or_create_scroom (const PresentationInterface::Ptr &presentation)
void	onDragDataReceived (GtkWidget *, GdkDragContext *, int, int, GtkSelectionData *seldata, guint, guint, gpointer)
void	create_scroom (const PresentationInterface::Ptr &presentation)
void	on_newPresentationInterfaces_update (const std::map< NewPresentationInterface::Ptr, std::string > &newPresentationInterfaces)
void	on_presentation_created (const PresentationInterface::Ptr &presentation)
void	on_view_created (const View::Ptr &v)
void	on_presentation_added_to_view (const View::Ptr &v)
void	on_presentation_possibly_destroyed ()
void	on_view_destroyed (View *v)
void	on_new_presentationobserver (const PresentationObserver::Ptr &po)
void	on_new_viewobserver (const ViewObserver::Ptr &viewObserver)

Variables
static const std::string	SCROOM_DEV_MODE = "SCROOM_DEV_MODE"
const std::string	REGULAR_FILES = "Regular files"
static std::string	xmlFileName
static GtkBuilder *	aboutDialogXml = nullptr
static GtkWidget *	aboutDialog = nullptr
static Views	views
static std::list< PresentationInterface::WeakPtr >	presentations
static FileNameMap	filenames
static std::string	currentFolder

Typedef Documentation

Views

using Views = std::map<View::Ptr, Scroom::Bookkeeping::Token>

Function Documentation

combinedFileFilter()

gboolean combinedFileFilter	(	const GtkFileFilterInfo *	filter_info,
		gpointer	data
	)

{
  // Convert the data back to a filter vector
  auto* filters = static_cast<std::vector<GtkFileFilter*>*>(data);
 
  // Return true if any of the filters matches the filter_info
  for(const auto& f: *filters)
  {
    if(gtk_file_filter_filter(f, filter_info))
    {
      return true;
    }
  }
 
  // None of the filters matched
  return false;
}

Referenced by on_open_activate().

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create_scroom()

void create_scroom

(

const PresentationInterface::Ptr &

presentation

)

{
  GtkBuilder*                      xml = gtk_builder_new();
  boost::scoped_array<char*> const obj{new gchar*[2]};
  const std::string                str = "scroom";
  obj[0]                               = const_cast<char*>(str.c_str());
  obj[1]                               = nullptr;
  gtk_builder_add_objects_from_file(xml, xmlFileName.c_str(), obj.get(), nullptr);
 
  if(xml == nullptr)
  {
    spdlog::error("Opening xml failed");
    exit(-1); // NOLINT(concurrency-mt-unsafe)
  }
 
  View::Ptr const view = View::create(xml, presentation);
  on_view_created(view);
  if(presentation)
  {
    on_presentation_added_to_view(view);
  }
 
  GtkWidget*     scroom               = GTK_WIDGET(gtk_builder_get_object(xml, "scroom"));
  GtkWidget*     openMenuItem         = GTK_WIDGET(gtk_builder_get_object(xml, "open"));
  GtkWidget*     closeMenuItem        = GTK_WIDGET(gtk_builder_get_object(xml, "close"));
  GtkWidget*     quitMenuItem         = GTK_WIDGET(gtk_builder_get_object(xml, "quit"));
  GtkWidget*     fullScreenMenuItem   = GTK_WIDGET(gtk_builder_get_object(xml, "fullscreen_menu_item"));
  GtkWidget*     aboutMenuItem        = GTK_WIDGET(gtk_builder_get_object(xml, "about"));
  GtkWidget*     drawingArea          = GTK_WIDGET(gtk_builder_get_object(xml, "drawingarea"));
  GtkWidget*     zoomBox              = GTK_WIDGET(gtk_builder_get_object(xml, "zoomboxcombo"));
  GtkWidget*     vscrollbar           = GTK_WIDGET(gtk_builder_get_object(xml, "vscrollbar"));
  GtkWidget*     hscrollbar           = GTK_WIDGET(gtk_builder_get_object(xml, "hscrollbar"));
  GtkAdjustment* vscrollbaradjustment = gtk_range_get_adjustment(GTK_RANGE(vscrollbar));
  GtkAdjustment* hscrollbaradjustment = gtk_range_get_adjustment(GTK_RANGE(hscrollbar));
  GtkEditable*   xTextBox             = GTK_EDITABLE(GTK_WIDGET(gtk_builder_get_object(xml, "x_textbox")));
  GtkEditable*   yTextBox             = GTK_EDITABLE(GTK_WIDGET(gtk_builder_get_object(xml, "y_textbox")));
 
  g_signal_connect(static_cast<gpointer>(scroom), "hide", G_CALLBACK(on_scroom_hide), view.get());
  g_signal_connect(static_cast<gpointer>(closeMenuItem), "activate", G_CALLBACK(on_close_activate), view.get());
  g_signal_connect(static_cast<gpointer>(quitMenuItem), "activate", G_CALLBACK(on_quit_activate), view.get());
  g_signal_connect(static_cast<gpointer>(openMenuItem), "activate", G_CALLBACK(on_open_activate), scroom);
  g_signal_connect(static_cast<gpointer>(fullScreenMenuItem), "activate", G_CALLBACK(on_fullscreen_activate), view.get());
  g_signal_connect(static_cast<gpointer>(zoomBox), "changed", G_CALLBACK(on_zoombox_changed), view.get());
  g_signal_connect(
    static_cast<gpointer>(vscrollbaradjustment), "value-changed", G_CALLBACK(on_scrollbar_value_changed), view.get());
  g_signal_connect(
    static_cast<gpointer>(hscrollbaradjustment), "value-changed", G_CALLBACK(on_scrollbar_value_changed), view.get());
  g_signal_connect(static_cast<gpointer>(xTextBox), "changed", G_CALLBACK(on_textbox_value_changed), view.get());
  g_signal_connect(static_cast<gpointer>(yTextBox), "changed", G_CALLBACK(on_textbox_value_changed), view.get());
  // g_signal_connect ((gpointer) cut, "activate",
  //                   G_CALLBACK (on_cut_activate),
  //                   view.get());
  // g_signal_connect ((gpointer) copy, "activate",
  //                   G_CALLBACK (on_copy_activate),
  //                   view.get());
  // g_signal_connect ((gpointer) paste, "activate",
  //                   G_CALLBACK (on_paste_activate),
  //                   view.get());
  // g_signal_connect ((gpointer) delete, "activate",
  //                   G_CALLBACK (on_delete_activate),
  //                   view.get());
  g_signal_connect(static_cast<gpointer>(aboutMenuItem), "activate", G_CALLBACK(on_about_activate), view.get());
  g_signal_connect(static_cast<gpointer>(drawingArea), "draw", G_CALLBACK(on_drawingarea_expose_event), view.get());
  g_signal_connect(static_cast<gpointer>(drawingArea), "configure_event", G_CALLBACK(on_drawingarea_configure_event), view.get());
  g_signal_connect(static_cast<gpointer>(drawingArea), "button-press-event", G_CALLBACK(on_button_press_event), view.get());
  g_signal_connect(static_cast<gpointer>(drawingArea), "button-release-event", G_CALLBACK(on_button_release_event), view.get());
  g_signal_connect(static_cast<gpointer>(drawingArea), "scroll-event", G_CALLBACK(on_scroll_event), view.get());
  g_signal_connect(static_cast<gpointer>(drawingArea), "motion-notify-event", G_CALLBACK(on_motion_notify_event), view.get());
 
  char           uriList[] = "text/uri-list";
  GtkTargetEntry targets[] = {{uriList, 0, 0}};
  gtk_drag_dest_set(
    scroom, GTK_DEST_DEFAULT_ALL, targets, 1, static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
 
  g_signal_connect(static_cast<gpointer>(scroom), "drag_data_received", G_CALLBACK(onDragDataReceived), NULL);
  // delete xml; //Breaks code for some reason. It seems that this xml is freed somewhere else...
}

Referenced by find_or_create_scroom(), and on_scroom_bootstrap().

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find_or_create_scroom()

void find_or_create_scroom

(

const PresentationInterface::Ptr &

presentation

)

{
  require(presentation);
 
  for(const Views::value_type& p: views)
  {
    View::Ptr const view = p.first;
    if(!view->hasPresentation())
    {
      view->setPresentation(presentation);
      on_presentation_added_to_view(view);
      return;
    }
  }
  create_scroom(presentation);
}

Referenced by create(), load(), on_done_loading_plugins(), on_newWindow_activate(), and ScroomInterfaceImpl::showPresentation().

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in_devmode()

bool in_devmode

(

)

{ return nullptr != getenv(SCROOM_DEV_MODE.c_str()); }

Referenced by main(), and on_scroom_bootstrap().

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on_about_activate()

void on_about_activate	(	GtkMenuItem *	,
		gpointer
	)

{
  // GtkWidget* aboutdialog;
  // aboutdialog = create_aboutdialog ();
  gtk_dialog_run(GTK_DIALOG(aboutDialog));
  gtk_widget_hide(aboutDialog);
  // gtk_widget_destroy (aboutdialog);
}

Referenced by create_scroom().

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on_button_press_event()

gboolean on_button_press_event	(	GtkWidget *	,
		GdkEventButton *	event,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  view->on_buttonPress(event);
  return true;
}

Referenced by create_scroom().

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on_button_release_event()

gboolean on_button_release_event	(	GtkWidget *	,
		GdkEventButton *	event,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  view->on_buttonRelease(event);
  return true;
}

Referenced by create_scroom().

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on_close_activate()

void on_close_activate	(	GtkMenuItem *	,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
 
  view->hide();
}

Referenced by create_scroom().

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on_copy_activate()

void on_copy_activate	(	GtkMenuItem *	,
		gpointer
	)

{}

on_cut_activate()

void on_cut_activate	(	GtkMenuItem *	,
		gpointer
	)

{}

on_delete_activate()

void on_delete_activate	(	GtkMenuItem *	,
		gpointer
	)

{}

on_done_loading_plugins()

void on_done_loading_plugins

(

)

{
  if(!filenames.empty())
  {
    {
      std::list<std::string>& fn = filenames[REGULAR_FILES];
 
      while(!fn.empty())
      {
        const std::string& file = fn.front();
        try
        {
          load(file);
        }
        catch(std::exception& ex)
        {
          spdlog::error(ex.what());
          on_presentation_possibly_destroyed();
        }
        gchar* dir    = g_path_get_dirname(file.c_str());
        currentFolder = dir;
        g_free(dir);
        fn.pop_front();
      }
    }
    filenames.erase(REGULAR_FILES);
 
    PluginManager::Ptr const                                 instance               = PluginManager::getInstance();
    std::map<std::string, NewAggregateInterface::Ptr> const& newAggregateInterfaces = instance->getNewAggregateInterfaces();
 
    for(FileNameMap::value_type const& v: filenames)
    {
      const std::string&            aggregateName = v.first;
      std::list<std::string> const& files         = v.second;
 
      auto i = newAggregateInterfaces.find(aggregateName);
      if(i != newAggregateInterfaces.end())
      {
        try
        {
          Aggregate::Ptr const             aggregate             = i->second->createNew();
          PresentationInterface::Ptr const aggregatePresentation = boost::dynamic_pointer_cast<PresentationInterface>(aggregate);
 
          if(aggregatePresentation)
          {
            for(const std::string& file: files)
            {
              PresentationInterface::Ptr const p = loadPresentation(file);
              aggregate->addPresentation(p);
            }
 
            on_presentation_created(aggregatePresentation);
            find_or_create_scroom(aggregatePresentation);
          }
          else
          {
            spdlog::error("Don't know how to display a {}", aggregateName);
          }
        }
        catch(std::exception& ex)
        {
          spdlog::error("While creating {}: {}", aggregateName, ex.what());
          on_presentation_possibly_destroyed();
        }
      }
      else
      {
        spdlog::error("Don't know how to create {}", aggregateName);
      }
    }
 
    if(presentations.empty())
    {
      // Apparently, we couldn't load any of our presentations. Terminate...
      ensure(views.empty());
      gtk_main_quit();
    }
  }
}

Referenced by PluginManager::doWork().

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on_drawingarea_configure_event()

gboolean on_drawingarea_configure_event	(	GtkWidget *	,
		GdkEventConfigure *	,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  view->on_configure();
  return FALSE;
}

Referenced by create_scroom().

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on_drawingarea_expose_event()

gboolean on_drawingarea_expose_event	(	GtkWidget *	widget,
		GdkEventExpose *	,
		gpointer	user_data
	)

{
  cairo_region_t* re = cairo_region_create();
 
  GdkDrawingContext* dc;
  dc = gdk_window_begin_draw_frame(gtk_widget_get_window(widget), re);
 
  cairo_t* cr = gdk_drawing_context_get_cairo_context(dc);
 
  View* view = static_cast<View*>(user_data);
  view->redraw(cr);
 
  gdk_window_end_draw_frame(gtk_widget_get_window(widget), dc);
 
  cairo_region_destroy(re);
 
  return FALSE;
}

Referenced by create_scroom().

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on_fullscreen_activate()

void on_fullscreen_activate	(	GtkMenuItem *	item,
		gpointer	user_data
	)

{
  View*             view   = static_cast<View*>(user_data);
  GtkCheckMenuItem* cmi    = GTK_CHECK_MENU_ITEM(item);
  const gboolean    active = gtk_check_menu_item_get_active(cmi);
 
  if(active)
  {
    view->setFullScreen();
  }
  else
  {
    view->unsetFullScreen();
  }
}

Referenced by create_scroom().

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on_idle()

gboolean on_idle

(

gpointer

user_data

)

{
  if(user_data == nullptr)
  {
    return 0;
  }
 
  return reinterpret_cast<WorkInterface*>(user_data)->doWork();
}

Referenced by PluginManager::addHook(), and anonymous_namespace{progressbarmanager.cc}::ProgressBarPulser::start().

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on_motion_notify_event()

gboolean on_motion_notify_event	(	GtkWidget *	,
		GdkEventMotion *	event,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  view->on_motion_notify(event);
  return true;
}

Referenced by create_scroom().

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on_new_activate()

void on_new_activate	(	GtkMenuItem *	,
		gpointer	user_data
	)

{
  auto* newPresentationInterface = static_cast<NewPresentationInterface*>(user_data);
  create(newPresentationInterface);
}

Referenced by View::on_newPresentationInterfaces_update().

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on_new_presentationobserver()

void on_new_presentationobserver

(

const PresentationObserver::Ptr &

po

)

{
  for(auto& presentation: presentations)
  {
    PresentationInterface::Ptr const p = presentation.lock();
    if(p)
    {
      po->presentationAdded(p);
    }
  }
}

on_new_viewobserver()

void on_new_viewobserver

(

const ViewObserver::Ptr &

viewObserver

)

{
  for(auto& [view, token]: views)
  {
    if(view->hasPresentation())
    {
      token.add(viewObserver->viewAdded(view));
    }
  }
}

Referenced by PluginManager::registerViewObserver().

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on_newPresentationInterfaces_update()

void on_newPresentationInterfaces_update

(

const std::map< NewPresentationInterface::Ptr, std::string > &

newPresentationInterfaces

)

{
  for(const Views::value_type& p: views)
  {
    p.first->on_newPresentationInterfaces_update(newPresentationInterfaces);
  }
}

Referenced by PluginManager::registerNewPresentationInterface().

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on_open_activate()

void on_open_activate	(	GtkMenuItem *	,
		gpointer	user_data
	)

{
  GtkWidget* dialog;
  auto*      scroom = static_cast<GtkWidget*>(user_data);
 
  spdlog::debug("Creating the open dialog");
  dialog = gtk_file_chooser_dialog_new("Open File",
                                       GTK_WINDOW(scroom),
                                       GTK_FILE_CHOOSER_ACTION_OPEN,
                                       ("_Cancel"),
                                       GTK_RESPONSE_CANCEL,
                                       ("_Open"),
                                       GTK_RESPONSE_ACCEPT,
                                       NULL);
  gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), currentFolder.c_str());
 
  const auto  pm                         = PluginManager::getInstance();
  const auto& openInterfaces             = pm->getOpenInterfaces();
  const auto& openPresentationInterfaces = pm->getOpenPresentationInterfaces();
 
  // Store all the file filters so that we can create a custom file filter that allows any supported type (by default)
  std::vector<GtkFileFilter*> filters;
  GtkFileFilter*              allSupportedFileTypesFilter = gtk_file_filter_new();
  gtk_file_filter_set_name(allSupportedFileTypesFilter, "Any supported file type");
 
  // Cannot beforehand determine which data might be needed for the plugins, so we ask GTK to load everything!
  auto filterFlags = static_cast<GtkFileFilterFlags>(GTK_FILE_FILTER_FILENAME | GTK_FILE_FILTER_MIME_TYPE
                                                     | GTK_FILE_FILTER_DISPLAY_NAME | GTK_FILE_FILTER_URI);
 
  gtk_file_filter_add_custom(allSupportedFileTypesFilter, filterFlags, &combinedFileFilter, &filters, nullptr);
  gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), allSupportedFileTypesFilter);
 
  for(auto const& cur: openPresentationInterfaces)
  {
    for(auto const& f: cur.first->getFilters())
    {
      gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), f);
      filters.push_back(f);
    }
  }
  for(auto const& cur: openInterfaces)
  {
    for(auto const& f: cur.first->getFilters())
    {
      gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), f);
      filters.push_back(f);
    }
  }
 
  if(gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT)
  {
    GFile*            file     = g_file_new_for_path(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog)));
    GFileInfo*        fileInfo = g_file_query_info(file, "standard::*", G_FILE_QUERY_INFO_NONE, nullptr, nullptr);
    GtkFileFilterInfo filterInfo;
    filterInfo.filename     = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
    filterInfo.mime_type    = g_content_type_get_mime_type(g_file_info_get_content_type(fileInfo));
    filterInfo.display_name = g_file_info_get_display_name(fileInfo);
    filterInfo.contains =
      static_cast<GtkFileFilterFlags>(GTK_FILE_FILTER_FILENAME | GTK_FILE_FILTER_DISPLAY_NAME | GTK_FILE_FILTER_MIME_TYPE);
    spdlog::debug("Opening file {}", filterInfo.filename);
 
    try
    {
      load(filterInfo);
    }
    catch(std::exception& ex)
    {
      spdlog::error(ex.what());
      on_presentation_possibly_destroyed();
    }
  }
  gchar* cf = gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(dialog));
  if(cf)
  {
    currentFolder = cf;
    g_free(cf);
  }
  gtk_widget_destroy(dialog);
}

Referenced by create_scroom().

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on_paste_activate()

void on_paste_activate	(	GtkMenuItem *	,
		gpointer
	)

{}

on_presentation_added_to_view()

void on_presentation_added_to_view

(

const View::Ptr &

v

)

{
  const std::map<ViewObserver::Ptr, std::string>& viewObservers = PluginManager::getInstance()->getViewObservers();
 
  auto cur = viewObservers.begin();
  auto end = viewObservers.end();
  for(; cur != end; cur++)
  {
    views[v].add(cur->first->viewAdded(v));
  }
}

Referenced by create_scroom(), and find_or_create_scroom().

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on_presentation_created()

void on_presentation_created

(

const PresentationInterface::Ptr &

presentation

)

{
  presentations.emplace_back(presentation);
 
  for(const Views::value_type& p: views)
  {
    p.first->on_presentation_created(presentation);
  }
 
  const std::map<PresentationObserver::Ptr, std::string>& presentationObservers =
    PluginManager::getInstance()->getPresentationObservers();
 
  auto cur = presentationObservers.begin();
  auto end = presentationObservers.end();
  for(; cur != end; cur++)
  {
    cur->first->presentationAdded(presentation);
  }
}

Referenced by create(), load(), loadPresentation(), ScroomInterfaceImpl::newAggregate(), ScroomInterfaceImpl::newPresentation(), on_done_loading_plugins(), and ScroomInterfaceImpl::showPresentation().

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on_presentation_possibly_destroyed()

void on_presentation_possibly_destroyed

(

)

{
  bool presentationDestroyed = false;
 
  for(auto cur = presentations.begin(); cur != presentations.end(); cur++)
  {
    PresentationInterface::Ptr const p = cur->lock();
    if(!p)
    {
      presentationDestroyed = true;
      auto temp             = cur;
      temp--;
      presentations.erase(cur);
      cur = temp;
    }
  }
  if(presentationDestroyed)
  {
    for(auto const& p: views)
    {
      p.first->on_presentation_destroyed();
    }
 
    const std::map<PresentationObserver::Ptr, std::string>& presentationObservers =
      PluginManager::getInstance()->getPresentationObservers();
 
    for(auto const& p: presentationObservers)
    {
      p.first->presentationDeleted();
    }
  }
}

Referenced by on_done_loading_plugins(), on_open_activate(), and on_view_destroyed().

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on_quit_activate()

void on_quit_activate	(	GtkMenuItem *	,
		gpointer
	)

{
  Views const v(views);
  for(const Views::value_type& p: v)
  {
    p.first->hide();
  }
  gtk_main_quit();
}

Referenced by create_scroom().

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on_save_activate()

void on_save_activate	(	GtkMenuItem *	,
		gpointer
	)

{}

on_save_as_activate()

void on_save_as_activate	(	GtkMenuItem *	,
		gpointer
	)

{}

on_scroll_event()

gboolean on_scroll_event	(	GtkWidget *	,
		GdkEventScroll *	event,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  view->on_scrollwheel(event);
  return true;
}

Referenced by create_scroom().

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on_scrollbar_value_changed()

void on_scrollbar_value_changed	(	GtkAdjustment *	adjustment,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  view->on_scrollbar_value_changed(adjustment);
}

Referenced by create_scroom().

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on_scroom_bootstrap()

void on_scroom_bootstrap

(

const FileNameMap &

newFilenames

)

{
  spdlog::info("Bootstrapping Scroom...");
  filenames     = newFilenames;
  currentFolder = ".";
 
  const bool devMode = in_devmode();
  if(devMode)
  {
    spdlog::info("+----------------------------------------------------------------------+");
    spdlog::info("| ENTERING DEVELOPMENT MODE                                            |");
    spdlog::info("| All the default directories are not searched                         |");
    spdlog::info("| Instead, only environment variables and the local source tree        |");
    spdlog::info("| are consulted.                                                       |");
    spdlog::info("+----------------------------------------------------------------------+");
  }
 
  startPluginManager(devMode);
 
  if(devMode)
  {
    xmlFileName = TOP_SRCDIR "/gui/scroom.glade";
  }
  else
  {
#ifdef _WIN32
    // We want to keep everything portable on windows so we look for the .glade file in the same directory as the .exe
    xmlFileName = (boost::dll::program_location().parent_path() / "scroom.glade").generic_string();
#else
    xmlFileName = PACKAGE_DATA_DIR "/scroom.glade";
#endif
  }
 
  aboutDialogXml = gtk_builder_new();
  boost::scoped_array<gchar*> const obj{new gchar*[2]};
  const std::string                 str = "aboutDialog";
  obj[0]                                = const_cast<char*>(str.c_str());
  obj[1]                                = nullptr;
  gtk_builder_add_objects_from_file(aboutDialogXml, xmlFileName.c_str(), obj.get(), nullptr);
 
  if(aboutDialogXml != nullptr)
  {
    aboutDialog = GTK_WIDGET(gtk_builder_get_object(aboutDialogXml, "aboutDialog"));
    gtk_about_dialog_set_program_name(GTK_ABOUT_DIALOG(aboutDialog), "Scroom");
    gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(aboutDialog), PACKAGE_VERSION);
#ifdef _WIN32
    g_signal_connect(G_OBJECT(aboutDialog), "activate-link", G_CALLBACK(on_open_scroom_website), NULL);
#endif
  }
  else
  {
    spdlog::error("Opening xml failed");
    exit(-1); // NOLINT(concurrency-mt-unsafe)
  }
 
  if(filenames.empty())
  {
    create_scroom(PresentationInterface::Ptr());
  }
}

Referenced by main().

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on_scroom_hide()

void on_scroom_hide	(	GtkWidget *	,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  on_view_destroyed(view);
 
  if(views.empty())
  {
    gtk_main_quit();
  }
}

Referenced by create_scroom().

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on_scroom_terminating()

void on_scroom_terminating

(

)

{ ensure(views.empty()); }

Referenced by main().

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on_textbox_value_changed()

void on_textbox_value_changed	(	GtkEditable *	editable,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  view->on_textbox_value_changed(editable);
}

Referenced by create_scroom().

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on_view_created()

void on_view_created

(

const View::Ptr &

v

)

{
  Scroom::Bookkeeping::Token const t;
  views[v] = t;
 
  for(auto& presentation: presentations)
  {
    PresentationInterface::Ptr const p = presentation.lock();
    if(p)
    {
      v->on_presentation_created(p);
    }
  }
}

Referenced by create_scroom().

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on_view_destroyed()

void on_view_destroyed

(

View *

v

)

{
  View::Ptr view = v->shared_from_this<View>();
  view->clearPresentation();
 
  views.erase(view);
  view.reset();
 
  on_presentation_possibly_destroyed();
}

Referenced by on_scroom_hide().

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on_zoombox_changed()

void on_zoombox_changed	(	GtkComboBox *	,
		gpointer	user_data
	)

{
  View* view = static_cast<View*>(user_data);
  view->on_zoombox_changed();
}

Referenced by create_scroom().

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onDragDataReceived()

void onDragDataReceived	(	GtkWidget *	,
		GdkDragContext *	,
		int	,
		int	,
		GtkSelectionData *	seldata,
		guint	,
		guint	,
		gpointer
	)

{
  gchar** uris = g_uri_list_extract_uris(reinterpret_cast<const gchar*>(gtk_selection_data_get_data(seldata)));
  for(gchar** uri = uris; *uri != nullptr; uri++)
  {
    spdlog::info("Dropping file onto Scroom: {}", *uri);
 
    GError* error    = nullptr;
    gchar*  filename = g_filename_from_uri(*uri, nullptr, &error);
    if(error != nullptr)
    {
      ShowModalDialog(error->message);
      g_error_free(error);
    }
    else
    {
      try
      {
        load(filename);
      }
      catch(std::invalid_argument& ex)
      {
        ShowModalDialog(fmt::format("Warning: unable to load file {}", filename));
      }
    }
 
    g_free(filename);
  }
 
  g_strfreev(uris);
}

Referenced by create_scroom().

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ShowModalDialog()

void ShowModalDialog

(

const std::string &

message

)

{
  spdlog::error(message);
  if(gdk_display_get_default())
  {
    // We're not running headless, don't open the popup
    // We don't have a pointer to the parent window, so nullptr should
    // suffice
    GtkWidget* dialog = gtk_message_dialog_new(
      nullptr, GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_WARNING, GTK_BUTTONS_CLOSE, "%s", message.c_str());
 
    gtk_dialog_run(GTK_DIALOG(dialog));
    gtk_widget_destroy(dialog);
  }
}

Referenced by onDragDataReceived().

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Variable Documentation

aboutDialog

GtkWidget* aboutDialog = nullptr

static

Referenced by on_about_activate(), and on_scroom_bootstrap().

aboutDialogXml

GtkBuilder* aboutDialogXml = nullptr

static

Referenced by on_scroom_bootstrap().

currentFolder

std::string currentFolder

static

Referenced by on_done_loading_plugins(), on_open_activate(), and on_scroom_bootstrap().

filenames

FileNameMap filenames

static

Referenced by main(), on_done_loading_plugins(), and on_scroom_bootstrap().

presentations

std::list<PresentationInterface::WeakPtr> presentations

static

Referenced by anonymous_namespace{sizedeterminer.cc}::DetermineSize(), on_done_loading_plugins(), on_new_presentationobserver(), on_presentation_created(), on_presentation_possibly_destroyed(), and on_view_created().

REGULAR_FILES

const std::string REGULAR_FILES = "Regular files"

Referenced by main(), and on_done_loading_plugins().

SCROOM_DEV_MODE

const std::string SCROOM_DEV_MODE = "SCROOM_DEV_MODE"

static

Referenced by in_devmode().

views

Views views

static

Referenced by anonymous_namespace{tiledbitmappresentation.cc}::TiledBitmapPresentation::clearCaches(), find_or_create_scroom(), anonymous_namespace{tiledbitmappresentation.cc}::TiledBitmapPresentation::getViews(), PresentationBase::observerAdded(), on_done_loading_plugins(), on_new_viewobserver(), on_newPresentationInterfaces_update(), on_presentation_added_to_view(), on_presentation_created(), on_presentation_possibly_destroyed(), on_quit_activate(), on_scroom_hide(), on_scroom_terminating(), on_view_created(), on_view_destroyed(), anonymous_namespace{tiledbitmappresentation.cc}::TiledBitmapPresentation::viewAdded(), and anonymous_namespace{tiledbitmappresentation.cc}::TiledBitmapPresentation::viewRemoved().

xmlFileName

std::string xmlFileName

static

Referenced by create_scroom(), and on_scroom_bootstrap().