Initial import of gtk2_ardour.

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

1 files changed, 460 insertions, 0 deletions

diff --git a/gtk2_ardour/imageframe_time_axis_view.cc b/gtk2_ardour/imageframe_time_axis_view.cc
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index 0000000000..20ccb7d61f
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+++ b/gtk2_ardour/imageframe_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 "imageframe_time_axis_view.h"
+#include "imageframe_time_axis_group.h"
+#include "imageframe_view.h"
+#include "imageframe_time_axis.h"
+#include "canvas-simplerect.h"
+#include "region_selection.h"
+#include "public_editor.h"
+#include "rgb_macros.h"
+#include "gui_thread.h"
+
+#include "i18n.h"
+
+using namespace ARDOUR ;
+using namespace Editing;
+
+//---------------------------------------------------------------------------------------//
+// Constructor / Desctructor
+		
+/**
+ * Constructs a new ImageFrameTimeAxisView.
+ *
+ * @param ifta the parent ImageFrameTimeAxis of this view helper
+ */
+ImageFrameTimeAxisView::ImageFrameTimeAxisView (ImageFrameTimeAxis& tv)
+	: _trackview (tv)
+{
+	region_color = _trackview.color() ;
+	stream_base_color = color_map[cImageTrackBase] ;
+
+	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) tv.height,
+		"outline_color_rgba", color_map[cImageTrackOutline],
+		"fill_color_rgba", stream_base_color,
+		0) ;
+
+	gtk_signal_connect(GTK_OBJECT(canvas_rect), "event", (GtkSignalFunc) PublicEditor::canvas_imageframe_view_event, &_trackview) ;
+
+	_samples_per_unit = _trackview.editor.get_current_zoom() ;
+
+	_trackview.editor.ZoomChanged.connect (slot (*this, &ImageFrameTimeAxisView::reset_samples_per_unit)) ;
+
+	selected_imageframe_group = 0 ;
+	selected_imageframe_view = 0 ;
+}
+
+/**
+ * Destructor 
+ * Responsible for destroying all items tat may have been added to this time axis
+ */
+ImageFrameTimeAxisView::~ImageFrameTimeAxisView()
+{
+	// Destroy all the ImageFrameGroups that we have
+	
+	for(ImageFrameGroupList::iterator iter = imageframe_groups.begin(); iter != imageframe_groups.end(); ++iter)
+	{
+		ImageFrameTimeAxisGroup* iftag = (*iter) ;
+		
+		ImageFrameGroupList::iterator next = iter ;
+		next++ ;
+
+		// remove the front element
+		imageframe_groups.erase(iter) ;
+
+		delete iftag ;
+		iftag = 0 ;
+		
+		iter = next ;
+	}
+	
+	// Destroy all our canvas components
+	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
+ImageFrameTimeAxisView::set_height (gdouble h)
+{
+	/* limit the values to something sane-ish */
+	if (h < 10.0 || h > 1000.0)
+	{
+		return(-1) ;
+	}
+	
+	if(canvas_rect != 0)
+	{
+		gtk_object_set(GTK_OBJECT(canvas_rect), "y2", h, NULL) ;
+	}
+
+	for(ImageFrameGroupList::const_iterator citer = imageframe_groups.begin(); citer != imageframe_groups.end(); ++citer)
+	{
+		(*citer)->set_item_heights(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 npon the canvas
+ */
+int
+ImageFrameTimeAxisView::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 
+ImageFrameTimeAxisView::set_samples_per_unit (gdouble spp)
+{
+	if (spp < 1.0) {
+		return(-1) ;
+	}
+
+	_samples_per_unit = spp;
+	
+	for(ImageFrameGroupList::const_iterator citer = imageframe_groups.begin(); citer != imageframe_groups.end(); ++citer)
+	{
+		(*citer)->set_item_samples_per_units(spp) ;
+	}
+	
+	return(0) ;
+}
+
+/**
+ * Sets the color of the items contained uopn this view helper
+ *
+ * @param color the new base color
+ */
+void
+ImageFrameTimeAxisView::apply_color(GdkColor& color)
+{
+	region_color = color ;
+	for(ImageFrameGroupList::const_iterator citer = imageframe_groups.begin(); citer != imageframe_groups.end(); citer++)
+	{
+		(*citer)->apply_item_color(region_color) ;
+	}
+}
+
+
+/**
+ * convenience method to re-get the samples per unit and tell items upon this view
+ *
+ */
+void
+ImageFrameTimeAxisView::reset_samples_per_unit ()
+{
+	set_samples_per_unit (_trackview.editor.get_current_zoom());
+}
+
+
+//---------------------------------------------------------------------------------------//
+// Child ImageFrameTimeAxisGroup Accessors/Mutators
+		
+/**
+ * Adds an ImageFrameTimeAxisGroup to the list of items upon this time axis view helper
+ * the new ImageFrameTimeAxisGroup is returned
+ *
+ * @param group_id the unique id of the new group
+ * @param src the identity of the object that initiated the change
+ */
+ImageFrameTimeAxisGroup*
+ImageFrameTimeAxisView::add_imageframe_group(std::string group_id, void* src)
+{
+	ImageFrameTimeAxisGroup* iftag = 0 ;
+	
+	//check that there is not already a group with that id
+	if(get_named_imageframe_group(group_id) != 0)
+	{
+		// iftag = 0 ;
+	}
+	else
+	{
+		iftag = new ImageFrameTimeAxisGroup(*this, group_id) ;
+
+		imageframe_groups.push_front(iftag) ;
+	
+		iftag->GoingAway.connect(bind(slot (*this,&ImageFrameTimeAxisView::remove_imageframe_group), iftag, (void*)this)) ;
+	
+		 ImageFrameGroupAdded(iftag, src) ; /* EMIT_SIGNAL */
+	}
+
+	return(iftag) ;
+}
+
+/**
+ * Returns the named ImageFrameTimeAxisGroup or 0 if the named group does not exist on this view helper
+ *
+ * @param group_id the unique id of the group to search for
+ * @return the named ImageFrameTimeAxisGroup, or 0 if it is not held upon this view
+ */
+ImageFrameTimeAxisGroup*
+ImageFrameTimeAxisView::get_named_imageframe_group(std::string group_id)
+{
+	ImageFrameTimeAxisGroup* iftag =  0 ;
+	
+	for(ImageFrameGroupList::iterator i = imageframe_groups.begin(); i != imageframe_groups.end(); ++i)
+	{
+		if (((ImageFrameTimeAxisGroup*)*i)->get_group_name() == group_id)
+		{
+			iftag = ((ImageFrameTimeAxisGroup*)*i) ;
+			break ;
+		}
+	}
+	
+	return(iftag) ;
+}
+
+
+/**
+ * Removes and returns the named ImageFrameTimeAxisGroup from the list of ImageFrameTimeAxisGroup held by this view helper
+ *
+ * @param group_id the ImageFrameTimeAxisGroup unique id to remove
+ * @param src the identity of the object that initiated the change
+ * @see add_imageframe_group
+ */
+ImageFrameTimeAxisGroup*
+ImageFrameTimeAxisView::remove_named_imageframe_group(std::string group_id, void* src)
+{
+	ImageFrameTimeAxisGroup* removed = 0 ;
+	
+	for(ImageFrameGroupList::iterator iter = imageframe_groups.begin(); iter != imageframe_groups.end(); ++iter)
+	{
+		if(((ImageFrameTimeAxisGroup*)*iter)->get_group_name() == group_id)
+		{
+			removed = (*iter) ;
+			imageframe_groups.erase(iter) ;
+			
+			if(removed == selected_imageframe_group)
+			{
+				selected_imageframe_group = 0 ;
+			}
+			
+			 ImageFrameGroupRemoved(removed->get_group_name(), src) ; /* EMIT_SIGNAL */
+			
+			// break from the for loop
+			break ;
+		}
+		iter++ ;
+	}
+	
+	return(removed) ;
+}
+
+
+/**
+ * Removes the specified ImageFrameTimeAxisGroup from the list of ImageFrameTimeAxisGroups upon this TimeAxis.
+ *
+ * @param iftag the ImageFrameView to remove
+ */
+void
+ImageFrameTimeAxisView::remove_imageframe_group(ImageFrameTimeAxisGroup* iftag, void* src)
+{
+	ENSURE_GUI_THREAD(bind (slot (*this, &ImageFrameTimeAxisView::remove_imageframe_group), iftag, src));
+
+	ImageFrameGroupList::iterator i;
+	if((i = find (imageframe_groups.begin(), imageframe_groups.end(), iftag)) != imageframe_groups.end())
+	{
+		imageframe_groups.erase(i) ;
+		
+		 ImageFrameGroupRemoved(iftag->get_group_name(), src) ; /* EMIT_SIGNAL */
+	}
+}
+
+
+
+
+//---------------------------------------------------------------------------------------//
+// Selected group methods
+		
+/**
+ * Sets the currently selected group upon this time axis
+ *
+ * @param ifv the item to set selected
+ */
+void
+ImageFrameTimeAxisView::set_selected_imageframe_group(ImageFrameTimeAxisGroup* iftag)
+{
+	if(selected_imageframe_group)
+	{
+		selected_imageframe_group->set_selected(false) ;
+	}
+	
+	selected_imageframe_group = iftag ;
+	selected_imageframe_group->set_selected(true) ;
+}
+
+/**
+ * Clears the currently selected image frame group unpo this time axis
+ *
+*/
+void
+ImageFrameTimeAxisView::clear_selected_imageframe_group()
+{
+	if(selected_imageframe_group)
+	{
+		selected_imageframe_group->set_selected(false) ;
+	}
+	selected_imageframe_group = 0 ;
+}
+		
+/**
+ * Returns the currently selected group upon this time axis
+ *
+ * @return the currently selected group upon this time axis
+ */
+ImageFrameTimeAxisGroup*
+ImageFrameTimeAxisView::get_selected_imageframe_group() const
+{
+	return(selected_imageframe_group) ;
+}
+
+//---------------------------------------------------------------------------------------//
+// Selected item methods
+		
+/**
+ * Sets the currently selected imag frame view item
+ *
+ * @param iftag the group the selected item is part
+ * @param ifv the selected item
+ */
+void
+ImageFrameTimeAxisView::set_selected_imageframe_view(ImageFrameTimeAxisGroup* iftag, ImageFrameView* ifv)
+{
+	set_selected_imageframe_group(iftag) ;
+	
+	if(selected_imageframe_view)
+	{
+		selected_imageframe_view->set_selected(false, this) ;
+	}
+	
+	selected_imageframe_view = ifv ;
+	selected_imageframe_view->set_selected(true, this) ;
+}
+
+/**
+ * Clears the currently selected image frame view item
+ *
+ */
+void
+ImageFrameTimeAxisView::clear_selected_imageframe_item(bool clear_group)
+{
+	if(clear_group)
+	{
+		clear_selected_imageframe_group() ;
+	}
+	
+	if(selected_imageframe_view)
+	{
+		selected_imageframe_view->set_selected(false, this) ;
+	}
+	selected_imageframe_view = 0 ;
+}
+		
+/**
+ * Returns the currently selected image frame view item upon this time axis
+ *
+ * @return the currently selected image frame view item
+ */
+ImageFrameView*
+ImageFrameTimeAxisView::get_selected_imageframe_view() const
+{
+	return(selected_imageframe_view) ;
+}
+
+
+
+ 
+void
+ImageFrameTimeAxisView::set_imageframe_duration_sec(double sec)
+{
+	if(selected_imageframe_group && selected_imageframe_view)
+	{
+		selected_imageframe_view->set_duration((jack_nframes_t) (sec * _trackview.editor.current_session()->frame_rate()), this) ;
+	}
+}
+
+
+
+/**
+ * Removes the currently selected ImageFrame view item
+ *
+ * @param src the identity of the object that initiated the change
+ * @see add_imageframe_group
+ */
+void
+ImageFrameTimeAxisView::remove_selected_imageframe_item(void* src)
+{
+	if(selected_imageframe_group && selected_imageframe_view)
+	{
+		ImageFrameView* temp_item = selected_imageframe_view ;
+		selected_imageframe_group->remove_imageframe_item(temp_item, src) ;
+		
+		// XXX although we have removed the item from the group, we need the group id still set within the
+		//     item as the remove method requires this data when telling others about the deletion
+		//     to fully specify the item we need the track, group and item id
+		selected_imageframe_view->remove_this_item(src) ;
+		clear_selected_imageframe_item(false) ;
+	}
+}
+