Implemented sliding subtitle text into another subtitle,

configure.ac

@@ -361,6 +361,7 @@ plugins/actions/removesubtitle/Makefile
 plugins/actions/reversetextandtranslation/Makefile
 plugins/actions/scalesubtitles/Makefile
 plugins/actions/selection/Makefile
+plugins/actions/slidetimings/Makefile
 plugins/actions/sortsubtitles/Makefile
 plugins/actions/spellchecking/Makefile
 plugins/actions/splitdocument/Makefile

plugins/actions/Makefile.am

@@ -31,6 +31,7 @@ FILES = \
 		reversetextandtranslation \
 		scalesubtitles \
 		selection \
+		slidetimings \
 		sortsubtitles \
 		spellchecking \
 		splitdocument \

plugins/actions/slidetimings/Makefile.am

@@ -0,0 +1,25 @@
+pluginlibdir = $(PACKAGE_PLUGIN_LIB_DIR)/actions
+plugindescriptiondir = $(PACKAGE_PLUGIN_DESCRIPTION_DIR)/actions
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir) \
+	-I$(top_srcdir)/src \
+	$(SUBTITLEEDITOR_CFLAGS)
+
+pluginlib_LTLIBRARIES = \
+	libslidetimings.la
+
+libslidetimings_la_SOURCES = \
+	slidetimings.cc
+
+libslidetimings_la_LDFLAGS = $(PLUGIN_LIBTOOL_FLAGS)
+libslidetimings_la_LIBADD = $(SUBTITLEEDITOR_LIBS) -L$(top_srcdir)/src -lsubtitleeditor
+
+plugindescription_in_files = slidetimings.se-plugin.in
+plugindescription_DATA = $(plugindescription_in_files:.se-plugin.in=.se-plugin)
+
+@INTLTOOL_SE_PLUGIN_RULE@
+
+EXTRA_DIST = $(plugindescription_in_files)
+
+CLEANFILES = $(plugindescription_DATA) Makefile.am~ *.cc~ *.h~ *.in~

plugins/actions/slidetimings/slidetimings.cc

@@ -0,0 +1,197 @@
+/*
+ *
+ *	slidetimings.cc
+ *	- "slide subtitle text up and down between subtitles
+ *     while keeping the timings in place"
+ *	a subtitleeditor plugin by Eltomito <tomaspartl@centrum.cz>
+ *
+ *	subtitleeditor -- a tool to create or edit subtitle
+ *
+ *	https://kitone.github.io/subtitleeditor/
+ *	https://github.com/kitone/subtitleeditor/
+ *
+ *	Copyright @ 2005-2012, kitone
+ *
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation; either version 3 of the License, or
+ *	(at your option) any later version.
+ *
+ *	This program is distributed in the hope that it will be useful,
+ *	but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *	GNU General Public License for more details.
+ *
+ *	You should have received a copy of the GNU General Public License
+ *	along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <extension/action.h>
+#include <i18n.h>
+#include <debug.h>
+#include <utility.h>
+
+class SlideTimingsPlugin : public Action
+{
+public:
+
+	SlideTimingsPlugin()
+	{
+		activate();
+		update_ui();
+	}
+
+	~SlideTimingsPlugin()
+	{
+		deactivate();
+	}
+
+	/*
+	 */
+	void activate()
+	{
+		se_dbg(SE_DBG_PLUGINS);
+
+		// actions
+		action_group = Gtk::ActionGroup::create("SlideTimingsPlugin");
+
+		action_group->add(
+				Gtk::Action::create("bump-up", _("Bump Text Up"),
+				_("Moves the text field to the previous subtitle for all subtitles from the current one to the end.")),
+					sigc::mem_fun(*this, &SlideTimingsPlugin::on_bump_up));
+
+		action_group->add(
+				Gtk::Action::create("bump-down", _("Bump Text Down"),
+				_("Moves the text field to the next subtitle for all subtitles from the current one to the end.")),
+					sigc::mem_fun(*this, &SlideTimingsPlugin::on_bump_down));
+
+		// ui
+		Glib::RefPtr<Gtk::UIManager> ui = get_ui_manager();
+
+		ui_id = ui->new_merge_id();
+
+		ui->insert_action_group(action_group);
+
+		ui->add_ui(ui_id, "/menubar/menu-timings/bump-up", "bump-up", "bump-up");
+		ui->add_ui(ui_id, "/menubar/menu-timings/bump-down", "bump-down", "bump-down");
+	}
+
+	/*
+	 */
+	void deactivate()
+	{
+		se_dbg(SE_DBG_PLUGINS);
+
+		Glib::RefPtr<Gtk::UIManager> ui = get_ui_manager();
+
+		ui->remove_ui(ui_id);
+		ui->remove_action_group(action_group);
+	}
+
+	/*
+	 */
+	void update_ui()
+	{
+		se_dbg(SE_DBG_PLUGINS);
+
+		bool visible = (get_current_document() != NULL);
+
+		action_group->get_action("bump-up")->set_sensitive(visible);
+		action_group->get_action("bump-down")->set_sensitive(visible);
+	}
+
+protected:
+
+	/*
+	 */
+	void on_bump_down()
+	{
+		se_dbg(SE_DBG_PLUGINS);
+
+		Document *doc = get_current_document();
+		g_return_if_fail(doc);
+
+		std::vector<Subtitle> selection = doc->subtitles().get_selection();
+		if(selection.empty())
+		{
+			doc->flash_message(_("Please select at least one subtitle."));
+			return;
+		}
+
+		doc->start_command(_("Bump Down"));
+
+		if( selection.size() == 1 ) {
+			select_to_end( doc, selection );
+      Subtitle overflow = doc->subtitles().insert_after( selection[ selection.size()-1 ] );
+      selection.push_back( overflow );
+		}
+
+		creep_to_pos( selection.rbegin(), selection.rend() );
+
+		doc->emit_signal("subtitle-time-changed");
+		doc->finish_command();
+	}
+
+	/*
+	 */
+	void on_bump_up()
+	{
+		se_dbg(SE_DBG_PLUGINS);
+
+		Document *doc = get_current_document();
+		g_return_if_fail(doc);
+
+		std::vector<Subtitle> selection = doc->subtitles().get_selection();
+		if(selection.empty())
+		{
+			doc->flash_message(_("Please select at least one subtitle."));
+			return;
+		}
+
+		doc->start_command(_("Bump Up"));
+
+		if( selection.size() == 1 ) {
+			select_to_end( doc, selection );
+		}
+
+		creep_to_pos( selection.begin(), selection.end() );
+
+		doc->emit_signal("subtitle-time-changed");
+		doc->finish_command();
+	}
+
+	template <class Iterator>
+	void creep_to_pos( Iterator pos, Iterator end )
+	{
+		if( pos == end ) return;
+		Iterator lastpos = pos;
+		++pos;
+		while( pos != end ) {
+			lastpos->set_text( pos->get_text() );
+			++pos;
+			++lastpos;
+		}
+		lastpos->set_text("");
+	}
+
+	/*
+	 * Adds to the selection all the subtitles that come after it in the subtitles in the document. 
+	 */
+	void select_to_end( Document *doc, std::vector<Subtitle> &selection )
+	{
+		Subtitles subtitles = doc->subtitles();
+		Subtitle sub = selection[ selection.size() - 1 ]; 
+		sub = subtitles.get_next( sub );
+		while( sub ) {
+			selection.push_back( sub ); 
+			sub = subtitles.get_next( sub );
+		}
+	}
+
+protected:
+	Gtk::UIManager::ui_merge_id ui_id;
+	Glib::RefPtr<Gtk::ActionGroup> action_group;
+};
+
+REGISTER_EXTENSION(SlideTimingsPlugin)
+

plugins/actions/slidetimings/slidetimings.se-plugin.in

@@ -0,0 +1,7 @@
+[SubtitleEditor Extension]
+_Name=Slide Timings
+_Description=Bumps the text fields of following subtitles up or down with respect to their timings.
+Categorie=action
+Type=module
+Module=slidetimings
+Authors=eltomito <tomaspartl at centrum dot cz>

share/menubar.xml

@@ -73,6 +73,9 @@
 			<placeholder name="stack-subtitles"/>
 			<placeholder name="stack-subtitles-from-end"/>
 			<separator/>
+			<placeholder name="bump-down"/>
+			<placeholder name="bump-up"/>
+			<separator/>
 			<placeholder name="placeholder"/>
 		</menu>