Initial import of gtk2_ardour.

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

1 files changed, 491 insertions, 0 deletions

diff --git a/gtk2_ardour/visual_time_axis.cc b/gtk2_ardour/visual_time_axis.cc
new file mode 100644
index 0000000000..228a85b70b
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+++ b/gtk2_ardour/visual_time_axis.cc
@@ -0,0 +1,491 @@
+/*
+    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 <cstdlib>
+#include <cmath>
+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include <pbd/error.h>
+#include <pbd/stl_delete.h>
+
+#include <gtkmmext/utils.h>
+#include <gtkmmext/selector.h>
+#include <gtkmmext/gtk_ui.h>
+#include <gtkmmext/stop_signal.h>
+#include <gtkmmext/choice.h>
+
+#include <ardour/session.h>
+#include <ardour/utils.h>
+#include <ardour/insert.h>
+#include <ardour/location.h>
+
+#include "ardour_ui.h"
+#include "public_editor.h"
+#include "imageframe_time_axis.h"
+#include "canvas-simplerect.h"
+#include "imageframe_time_axis_view.h"
+#include "marker_time_axis_view.h"
+#include "imageframe_view.h"
+#include "marker_time_axis.h"
+#include "marker_view.h"
+#include "utils.h"
+#include "prompter.h"
+#include "rgb_macros.h"
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+using namespace SigC;
+using namespace Gtk;
+
+//XXX should really have a common home...
+static const gchar* small_x_xpm[] = {
+	"11 11 2 1",
+	" 	c None",
+	".	c #000000",
+	"           ",
+	"           ",
+	"  .     .  ",
+	"   .   .   ",
+	"    . .    ",
+	"     .     ",
+	"    . .    ",
+	"   .   .   ",
+	"  .     .  ",
+	"           ",
+	"           "};
+
+	
+/**
+ * Abstract Constructor for base visual time axis classes
+ *
+ * @param name the name/Id of thie TimeAxis
+ * @param ed the Ardour PublicEditor
+ * @param sess the current session
+ * @param canvas the parent canvas object
+ */
+VisualTimeAxis::VisualTimeAxis(std::string name, PublicEditor& ed, ARDOUR::Session& sess, Widget *canvas)
+	: AxisView(sess),
+	  TimeAxisView(sess,ed,(TimeAxisView*) 0, canvas),
+	  visual_button (_("v")),
+	  size_button (_("h"))
+{
+	time_axis_name = name ;
+	name_prompter = 0 ;
+	_color = unique_random_color() ;
+	_marked_for_display = true;
+	
+	name_entry.activate.connect(slot(*this, &VisualTimeAxis::name_entry_changed)) ;
+	name_entry.focus_out_event.connect(slot(*this, &VisualTimeAxis::name_entry_focus_out_handler)) ;
+	name_entry.button_press_event.connect(slot(*this, &VisualTimeAxis::name_entry_button_press_handler)) ;
+	name_entry.button_release_event.connect(slot(*this, &VisualTimeAxis::name_entry_button_release_handler)) ;
+	name_entry.key_release_event.connect(slot(*this, &VisualTimeAxis::name_entry_key_release_handler)) ;
+	
+	size_button.set_name("TrackSizeButton") ;
+	visual_button.set_name("TrackVisualButton") ;
+	hide_button.set_name("TrackRemoveButton") ;
+	hide_button.add(*(Gtk::manage(new Gtk::Pixmap(small_x_xpm)))) ;
+	size_button.button_release_event.connect (slot (*this, &VisualTimeAxis::size_click)) ;
+	visual_button.clicked.connect (slot (*this, &VisualTimeAxis::visual_click)) ;
+	hide_button.clicked.connect (slot (*this, &VisualTimeAxis::hide_click)) ;
+	ARDOUR_UI::instance()->tooltips().set_tip(size_button,_("Display Height")) ;
+	ARDOUR_UI::instance()->tooltips().set_tip(visual_button, _("Visual options")) ;
+	ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("Hide this track")) ;
+		
+	controls_table.attach (hide_button, 0, 1, 1, 2, GTK_FILL|GTK_EXPAND, GTK_FILL|GTK_EXPAND);
+	controls_table.attach (visual_button, 1, 2, 1, 2, GTK_FILL|GTK_EXPAND, GTK_FILL|GTK_EXPAND);
+	controls_table.attach (size_button, 2, 3, 1, 2, GTK_FILL|GTK_EXPAND, GTK_FILL|GTK_EXPAND);
+
+	/* remove focus from the buttons */
+	size_button.unset_flags(GTK_CAN_FOCUS) ;
+	hide_button.unset_flags(GTK_CAN_FOCUS) ;
+	visual_button.unset_flags(GTK_CAN_FOCUS) ;
+	
+	set_height(Normal) ;
+}
+
+/**
+ * VisualTimeAxis Destructor
+ *
+ */
+VisualTimeAxis::~VisualTimeAxis()
+{
+	if(name_prompter)
+	{
+		delete name_prompter ;
+		name_prompter = 0 ;
+	}
+}
+
+
+//---------------------------------------------------------------------------------------//
+// Name/Id Accessors/Mutators
+
+void
+VisualTimeAxis::set_time_axis_name(std::string name, void* src)
+{
+	std::string old_name = time_axis_name ;
+	
+	if(name != time_axis_name)
+	{
+		time_axis_name = name ;
+		label_view() ;
+		editor.route_name_changed(this) ;
+	
+		 NameChanged(time_axis_name, old_name, src) ; /* EMIT_SIGNAL */
+	}
+}
+
+std::string
+VisualTimeAxis::name() const
+{
+	return(time_axis_name) ;
+}
+
+
+//---------------------------------------------------------------------------------------//
+// ui methods & data
+
+/**
+ * Sets the height of this TrackView to one of the defined TrackHeghts
+ *
+ * @param h the TrackHeight value to set
+ */
+void
+VisualTimeAxis::set_height(TrackHeight h)
+{
+	TimeAxisView::set_height(h) ;
+	
+	switch (height)
+	{
+		case Largest:
+		case Large:
+		case Larger:
+		case Normal:
+		{
+			name_label.hide() ;
+			name_entry.show() ;
+			other_button_hbox.show_all() ;
+			break;
+		}
+		case Smaller:
+		{
+			name_label.hide() ;
+			name_entry.show() ;
+			other_button_hbox.hide_all() ;
+			break;
+		}
+		case Small:
+		{
+			name_label.show() ;
+			name_entry.hide() ;
+			other_button_hbox.hide_all() ;
+		}
+		break;
+	}
+}
+
+/**
+ * Handle the visuals button click
+ *
+ */
+void
+VisualTimeAxis::visual_click()
+{
+	popup_display_menu(0);
+}
+
+
+/**
+ * Handle the hide buttons click
+ *
+ */
+void
+VisualTimeAxis::hide_click()
+{
+	editor.unselect_strip_in_display (*this);
+}
+
+
+/**
+ * Allows the selection of a new color for this TimeAxis
+ *
+ */
+void
+VisualTimeAxis::select_track_color ()
+{
+	if(choose_time_axis_color())
+	{
+		//Does nothing at this abstract point
+	}
+}
+
+/**
+ * Provides a color chooser for the selection of a new time axis color.
+ *
+ */
+bool
+VisualTimeAxis::choose_time_axis_color()
+{
+	bool picked ;
+	GdkColor color ;
+	gdouble current[4] ;
+	
+	current[0] = _color.get_red() / 65535.0 ;
+	current[1] = _color.get_green() / 65535.0 ;
+	current[2] = _color.get_blue() / 65535.0 ;
+	current[3] = 1.0 ;
+	
+	color = Gtkmmext::UI::instance()->get_color(_("ardour: color selection"),picked, current) ;
+	
+	if (picked)
+	{
+		set_time_axis_color(color) ;
+	}
+	return(picked) ;
+}
+
+/**
+ * Sets the color of this TimeAxis to the specified color c
+ *
+ * @param c the new TimeAxis color
+ */
+void
+VisualTimeAxis::set_time_axis_color(Gdk_Color c)
+{
+	_color = c ;
+}
+
+void
+VisualTimeAxis::set_selected_regionviews (AudioRegionSelection& regions)
+{
+	// Not handled by purely visual TimeAxis
+}
+
+//---------------------------------------------------------------------------------------//
+// Handle time axis removal
+
+/**
+ * Handles the Removal of this VisualTimeAxis
+ *
+ * @param src the identity of the object that initiated the change
+ */
+void
+VisualTimeAxis::remove_this_time_axis(void* src)
+{
+	vector<string> choices;
+
+	std::string prompt  = compose (_("Do you really want to remove track \"%1\" ?\n(cannot be undone)"), time_axis_name);
+
+	choices.push_back (_("Yes, remove it."));
+	choices.push_back (_("No, do nothing."));
+
+	Gtkmmext::Choice prompter (prompt, choices);
+
+	prompter.chosen.connect (Gtk::Main::quit.slot());
+	prompter.show_all ();
+
+	Gtk::Main::run ();
+
+	if (prompter.get_choice() == 0)
+	{
+		/*
+		   defer to idle loop, otherwise we'll delete this object
+		   while we're still inside this function ...
+		*/
+		Gtk::Main::idle.connect(bind(slot(&VisualTimeAxis::idle_remove_this_time_axis), this, src));
+	}
+}
+
+/**
+ * Callback used to remove this time axis during the gtk idle loop
+ * This is used to avoid deleting the obejct while inside the remove_this_time_axis
+ * method
+ *
+ * @param ta the VisualTimeAxis to remove
+ * @param src the identity of the object that initiated the change
+ */
+gint
+VisualTimeAxis::idle_remove_this_time_axis(VisualTimeAxis* ta, void* src)
+{
+	 ta->VisualTimeAxisRemoved(ta->name(), src) ; /* EMIT_SIGNAL */
+	delete ta ;
+	ta = 0 ;
+	return(false) ;
+}
+
+
+
+
+//---------------------------------------------------------------------------------------//
+// Handle TimeAxis rename
+		
+/**
+ * Construct a new prompt to receive a new name for this TimeAxis
+ *
+ * @see finish_time_axis_rename()
+ */
+void
+VisualTimeAxis::start_time_axis_rename()
+{
+	if(name_prompter)
+	{
+		delete name_prompter ;
+		name_prompter = 0 ;
+	}
+
+	name_prompter = new ArdourPrompter() ;
+
+	name_prompter->set_prompt (_("new name: ")) ;
+	ARDOUR_UI::instance()->allow_focus(true) ;
+	name_prompter->done.connect (slot(*this, &VisualTimeAxis::finish_time_axis_rename)) ;
+	name_prompter->show_all() ;
+}
+
+/**
+ * Handles the new name for this TimeAxis from the name prompt
+ *
+ * @see start_time_axis_rename()
+ */
+void
+VisualTimeAxis::finish_time_axis_rename()
+{
+	name_prompter->hide_all () ;
+	ARDOUR_UI::instance()->allow_focus (false) ;
+	
+	if (name_prompter->status == Gtkmmext::Prompter::cancelled)
+	{
+		return;
+	}
+	
+	string result ;
+	name_prompter->get_result (result) ;
+	//time_axis_name = result ;
+	
+	if (editor.get_named_time_axis(result) != 0) {
+		ARDOUR_UI::instance()->popup_error (_("A track already exists with that name"));
+		return ;
+	}
+
+	set_time_axis_name(result, this) ;
+	
+	delete name_prompter ;
+	name_prompter = 0 ;
+	label_view() ;
+}
+
+/**
+ * Handle the (re-)displaying of the TimeAxis name label
+ *
+ */
+void
+VisualTimeAxis::label_view()
+{
+	name_label.set_text(time_axis_name) ;
+	name_entry.set_text(time_axis_name) ;
+	ARDOUR_UI::instance()->tooltips().set_tip(name_entry, time_axis_name) ;
+}
+
+
+//---------------------------------------------------------------------------------------//
+// Handle name entry signals 
+
+void
+VisualTimeAxis::name_entry_changed()
+{
+	ARDOUR_UI::generic_focus_out_event (0);
+
+	string x = name_entry.get_text ();
+	
+	if (x == time_axis_name) {
+		return;
+	}
+
+	if (x.length() == 0) {
+		name_entry.set_text (time_axis_name);
+		return;
+	}
+
+	strip_whitespace_edges(x);
+
+	if (!editor.get_named_time_axis(x)) {
+		set_time_axis_name(x, this);
+	} else {
+		ARDOUR_UI::instance()->popup_error (_("a track already exists with that name"));
+		name_entry.set_text(time_axis_name);
+	}
+}
+
+gint 
+VisualTimeAxis::name_entry_button_press_handler(GdkEventButton *ev)
+{
+	if (ev->button == 3) {
+		return stop_signal (name_entry, "button_press_event");
+	}
+	return FALSE;
+}
+
+gint 
+VisualTimeAxis::name_entry_button_release_handler(GdkEventButton *ev)
+{
+	return FALSE;
+}
+
+gint
+VisualTimeAxis::name_entry_focus_out_handler(GdkEventFocus* ev)
+{
+	name_entry_changed();
+	return TRUE;
+}
+
+gint
+VisualTimeAxis::name_entry_key_release_handler(GdkEventKey* ev)
+{
+	switch (ev->keyval) {
+	case GDK_Tab:
+	case GDK_Up:
+	case GDK_Down:
+		name_entry_changed ();
+		return TRUE;
+
+	default:
+		return FALSE;
+	}
+}
+
+
+//---------------------------------------------------------------------------------------//
+// Super class methods not handled by VisualTimeAxis
+		
+void
+VisualTimeAxis::show_timestretch (jack_nframes_t start, jack_nframes_t end)
+{
+  // Not handled by purely visual TimeAxis
+}
+
+void
+VisualTimeAxis::hide_timestretch()
+{
+  // Not handled by purely visual TimeAxis
+}
+
+