Initial import of gtk2_ardour.

git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 400 insertions, 0 deletions

diff --git a/gtk2_ardour/marker_time_axis_view.cc b/gtk2_ardour/marker_time_axis_view.cc
new file mode 100644
index 0000000000..b07448e1a6
--- /dev/null
+++ b/gtk2_ardour/marker_time_axis_view.cc
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+/*
+    Copyright (C) 2003 Paul Davis 
+
+    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 2 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, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#include <algorithm>
+
+#include <gtk--.h>
+#include <gtkmmext/gtk_ui.h>
+
+#include "marker_time_axis_view.h"
+#include "marker_time_axis.h"
+#include "marker_view.h"
+#include "imageframe_view.h"
+#include "imageframe_time_axis.h"
+#include "canvas-simplerect.h"
+#include "public_editor.h"
+#include "rgb_macros.h"
+#include "gui_thread.h"
+
+#include "i18n.h"
+
+using namespace ARDOUR ;
+using namespace Editing;
+
+//---------------------------------------------------------------------------------------//
+// Constructor / Desctructor
+		
+/**
+ * Construct a new MarkerTimeAxisView helper time axis helper
+ *
+ * @param mta the TimeAxsiView that this objbect is the helper for
+ */
+MarkerTimeAxisView::MarkerTimeAxisView(MarkerTimeAxis& tv)
+	: _trackview (tv)
+{
+	region_color = _trackview.color();
+	stream_base_color = color_map[cMarkerTrackBase];
+
+	canvas_group = gtk_canvas_item_new (GTK_CANVAS_GROUP(_trackview.canvas_display), gtk_canvas_group_get_type (), 0);
+
+	canvas_rect = gtk_canvas_item_new (GTK_CANVAS_GROUP(canvas_group),
+		gtk_canvas_simplerect_get_type(),
+		"x1", 0.0,
+		"y1", 0.0,
+		"x2", 1000000.0,
+		"y2", (double)20,
+		"outline_color_rgba", color_map[cMarkerTrackOutline],
+		"fill_color_rgba", stream_base_color,
+		0) ;
+					   
+	gtk_signal_connect(GTK_OBJECT(canvas_rect), "event", (GtkSignalFunc)PublicEditor::canvas_marker_time_axis_view_event, &_trackview) ;
+
+	_samples_per_unit = _trackview.editor.get_current_zoom() ;
+
+	_trackview.editor.ZoomChanged.connect (slot(*this, &MarkerTimeAxisView::reset_samples_per_unit));
+}
+
+/**
+ * Destructor
+ * Reposinsibly for destroying all marker items that may have been added to this time axis view
+ *
+ */
+MarkerTimeAxisView::~MarkerTimeAxisView()
+{
+	// destroy everything upon this view
+	for(MarkerViewList::iterator iter = marker_view_list.begin(); iter != marker_view_list.end(); ++iter)
+	{
+		MarkerView* mv = (*iter) ;
+		
+		MarkerViewList::iterator next = iter ;
+		next++ ;
+		marker_view_list.erase(iter) ;
+
+		delete mv ;
+		mv = 0 ;
+		
+		iter = next ;
+	}
+	
+	if(canvas_rect)
+	{
+		gtk_object_destroy(GTK_OBJECT(canvas_rect)) ;
+		canvas_rect = 0 ;
+	}
+	
+	if(canvas_group)
+	{
+		gtk_object_destroy(GTK_OBJECT(canvas_group)) ;
+		canvas_group = 0 ;
+	}
+}
+
+
+//---------------------------------------------------------------------------------------//
+// ui methods & data
+
+/**
+ * Sets the height of the time axis view and the item upon it
+ *
+ * @param height the new height
+ */
+int
+MarkerTimeAxisView::set_height(gdouble h)
+{
+	if (h < 10.0 || h > 1000.0)
+	{
+		return -1 ;
+	}
+	
+	gtk_object_set (GTK_OBJECT(canvas_rect), "y2", h, NULL);
+
+	for (MarkerViewList::iterator i = marker_view_list.begin(); i != marker_view_list.end(); ++i)
+	{
+		(*i)->set_height(h) ;
+	}
+
+	return 0;
+}
+
+/**
+ * Sets the position of this view helper on the canvas
+ *
+ * @param x the x position upon the canvas
+ * @param y the y position upon the canvas
+ */
+int
+MarkerTimeAxisView::set_position(gdouble x, gdouble y)
+{
+	gtk_canvas_item_set (canvas_group, "x", x, "y", y, NULL);
+	return 0;
+}
+
+/**
+ * Sets the current samples per unit.
+ * this method tells each item upon the time axis of the change
+ * 
+ * @param spu the new samples per canvas unit value
+ */
+int
+MarkerTimeAxisView::set_samples_per_unit(gdouble spp)
+{
+	if(spp < 1.0) {
+		return -1 ;
+	}
+	
+	_samples_per_unit = spp ;
+
+	for(MarkerViewList::iterator i = marker_view_list.begin(); i != marker_view_list.end(); ++i)
+	{
+		(*i)->set_samples_per_unit(spp) ;
+	}
+	return(0) ;
+}
+
+/**
+ * Sets the color of the items contained upon this view helper
+ *
+ * @param color the new base color
+ */
+void
+MarkerTimeAxisView::apply_color(GdkColor& color)
+{
+	region_color = color;
+
+	for (MarkerViewList::iterator i = marker_view_list.begin(); i != marker_view_list.end(); i++)
+	{
+		(*i)->set_color (region_color) ;
+	}
+}
+
+
+//---------------------------------------------------------------------------------------//
+// Child MarkerView Accessors/Mutators
+		
+/**
+ * Adds a marker view to the list of items upon this time axis view helper
+ * the new MarkerView is returned
+ *
+ * @param ifv the ImageFrameView that the new item is marking up
+ * @param mark_text the text to be displayed uopn the new marker item
+ * @param mark_id the unique id of the new item
+ * @param start the position the new item should be placed upon the time line
+ * @param duration the duration the new item should be placed upon the timeline
+ * @param src the identity of the object that initiated the change
+ */	 
+MarkerView*
+MarkerTimeAxisView::add_marker_view(ImageFrameView* ifv, std::string mark_type, std::string mark_id, jack_nframes_t start, jack_nframes_t dur, void* src)
+{
+	if(ifv->has_marker_view_item(mark_id))
+	{
+		return(0) ;
+	}
+	
+	MarkerView* mv = new MarkerView(GTK_CANVAS_GROUP(canvas_group),
+		 &_trackview,
+		 ifv,
+		 _trackview.editor.get_current_zoom(),
+		 region_color,
+		 mark_type,
+		 mark_id,
+		 start,
+		 dur) ;
+	
+	ifv->add_marker_view_item(mv, src) ;
+	marker_view_list.push_front(mv) ;
+	
+	mv->GoingAway.connect(bind (slot (*this,&MarkerTimeAxisView::remove_marker_view), (void*)this)) ;
+	
+	 MarkerViewAdded(mv,src) ; /* EMIT_SIGNAL */
+	
+	return(mv) ;
+}
+
+/**
+ * Returns the named MarkerView or 0 if the named marker does not exist
+ *
+ * @param item_id the unique id of the item to search for
+ * @return the named MarkerView, or 0 if it is not held upon this view
+ */
+MarkerView*
+MarkerTimeAxisView::get_named_marker_view(std::string item_id)
+{
+	MarkerView* mv =  0 ;
+	
+	for(MarkerViewList::iterator i = marker_view_list.begin(); i != marker_view_list.end(); ++i)
+	{
+		if(((MarkerView*)*i)->get_item_name() == item_id)
+		{
+			mv = ((MarkerView*)*i) ;
+			break ;
+		}
+	}
+	return(mv) ;
+}
+
+/**
+ * Removes the currently selected MarverView
+ * Note that this method actually destroys the MarkerView too.
+ * We assume that since we own the object, we are allowed to do this
+ *
+ * @param src the identity of the object that initiated the change
+ * @see add_marker_view
+ */
+void
+MarkerTimeAxisView::remove_selected_marker_view(void* src)
+{
+	std::string removed ;
+	
+	if (selected_time_axis_item)
+	{
+		MarkerViewList::iterator i ;
+		if((i = find (marker_view_list.begin(), marker_view_list.end(), selected_time_axis_item)) != marker_view_list.end())
+		{
+			marker_view_list.erase(i) ;
+			
+			 MarkerViewRemoved(selected_time_axis_item->get_item_name(),src) ; /* EMIT_SIGNAL */
+
+			delete(selected_time_axis_item) ;
+			selected_time_axis_item = 0 ;
+		}
+	}
+	else
+	{
+		//No selected marker view
+	}
+}
+
+/**
+ * Removes and returns the named MarkerView from the list of MarkerView held by this view helper
+ *
+ * @param item_id the MarkerView unique id to remove
+ * @param src the identity of the object that initiated the change
+ * @see add_marker_view
+ */
+MarkerView*
+MarkerTimeAxisView::remove_named_marker_view(std::string item_id, void* src)
+{
+	MarkerView* mv = 0 ;
+	
+	MarkerViewList::iterator i = marker_view_list.begin() ;
+	
+	for(MarkerViewList::iterator iter = marker_view_list.begin(); iter != marker_view_list.end(); ++iter)
+	{
+		if(((MarkerView*)*i)->get_item_name() == item_id)
+		{
+			mv = ((MarkerView*)*i) ;
+			marker_view_list.erase(i) ;
+						
+			 MarkerViewRemoved(mv->get_item_name(), src) ; /* EMIT_SIGNAL */
+			
+			// break from the for loop
+			break;
+		}
+		i++ ;
+	}
+	
+	return(mv) ;
+}
+
+/**
+ * Removes mv from the list of MarkerView upon this TimeAxis
+ *
+ * @param mv the MarkerView to remove
+ * @param src the identity of the object that initiated the change
+ */
+void
+MarkerTimeAxisView::remove_marker_view(MarkerView* mv, void* src)
+{
+	ENSURE_GUI_THREAD(bind (slot (*this, &MarkerTimeAxisView::remove_marker_view), mv, src));
+	
+	MarkerViewList::iterator i;
+
+	if((i = find (marker_view_list.begin(), marker_view_list.end(), mv)) != marker_view_list.end()) {
+		marker_view_list.erase(i) ;
+		
+		// Assume this remove happened locally, else use remove_named_marker_time_axis
+		// let listeners know that the named MarkerTimeAxis has been removed
+		 MarkerViewRemoved(mv->get_item_name(), src) ; /* EMIT_SIGNAL */
+	}
+}
+
+
+/**
+ * Sets the duration of the selected MarkerView to the specified number of seconds
+ *
+ * @param sec the duration to set the MArkerView to, in seconds
+ */
+void
+MarkerTimeAxisView::set_marker_duration_sec(double sec)
+{
+  if(get_selected_time_axis_item() != 0)
+  {
+	  get_selected_time_axis_item()->set_duration((jack_nframes_t) (sec * _trackview.editor.current_session()->frame_rate()), this) ;
+  }
+}
+
+
+//---------------------------------------------------------------------------------------//
+// Selected item methods
+
+/**
+ * Sets the currently selected item upon this time axis
+ *
+ * @param mv the item to set selected
+ */
+void
+MarkerTimeAxisView::set_selected_time_axis_item(MarkerView* mv)
+{
+	selected_time_axis_item = mv ;
+}
+
+/**
+ * Clears any selected item upon this time axis
+ *
+ */
+void
+MarkerTimeAxisView::clear_selected_time_axis_item()
+{
+	selected_time_axis_item = 0 ;
+}
+		
+/**
+ * Returnsthe currently selected item upon this time axis
+ *
+ * @return the currently selected item pon this time axis
+ */
+MarkerView*
+MarkerTimeAxisView::get_selected_time_axis_item()
+{
+	return(selected_time_axis_item) ;
+}
+
+
+
+
+/**
+ * convenience method to re-get the samples per unit and tell items upon this view
+ *
+ */
+void
+MarkerTimeAxisView::reset_samples_per_unit ()
+{
+	set_samples_per_unit(_trackview.editor.get_current_zoom()) ;
+}