X-Git-Url: http://git.cinelerra-gg.org/git/?p=goodguy%2Fhistory.git;a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fcwindowgui.C;h=19ff101e3f0383a56ba20b8e9df6a2c981922416;hp=73c11dc5cca985735f44b0239af095aba5f2a2d4;hb=HEAD;hpb=87141f1b454130848c34efdea9cf832d17463830

diff --git a/cinelerra-5.1/cinelerra/cwindowgui.C b/cinelerra-5.1/cinelerra/cwindowgui.C
index 73c11dc5..19ff101e 100644
--- a/cinelerra-5.1/cinelerra/cwindowgui.C
+++ b/cinelerra-5.1/cinelerra/cwindowgui.C
@@ -92,23 +92,29 @@ CWindowGUI::CWindowGUI(MWindow *mwindow, CWindow *cwindow)
 	this->mwindow = mwindow;
 	this->cwindow = cwindow;
 	affected_track = 0;
-	affected_x = 0;
-	affected_y = 0;
-	affected_z = 0;
+	affected_x = affected_y = affected_z = 0;
 	mask_keyframe = 0;
 	orig_mask_keyframe = new MaskAuto(0, 0);
 	affected_point = 0;
-	x_offset = 0;
-	y_offset = 0;
-	x_origin = 0;
-	y_origin = 0;
+	x_offset = y_offset = 0;
+	x_origin = y_origin = 0;
 	current_operation = CWINDOW_NONE;
 	tool_panel = 0;
-	translating_zoom = 0;
 	active = 0;
 	inactive = 0;
-	crop_translate = 0;
+	crop_handle = -1; crop_translate = 0;
+	crop_origin_x = crop_origin_y = 0;
+	crop_origin_x1 = crop_origin_y1 = 0;
+	crop_origin_x2 = crop_origin_y2 = 0;
 	eyedrop_visible = 0;
+	eyedrop_x = eyedrop_y = 0;
+	ruler_origin_x = ruler_origin_y = 0;
+	ruler_handle = -1; ruler_translate = 0;
+	center_x = center_y = center_z = 0;
+	control_in_x = control_in_y = 0;
+	control_out_x = control_out_y = 0;
+	translating_zoom = 0;
+	highlighted = 0;
 }
 
 CWindowGUI::~CWindowGUI()
@@ -169,10 +175,10 @@ void CWindowGUI::create_objects()
 	timebar->create_objects();
 
 #ifdef USE_SLIDER
- 	add_subwindow(slider = new CWindowSlider(mwindow, 
- 		cwindow, 
+ 	add_subwindow(slider = new CWindowSlider(mwindow,
+ 		cwindow,
 		mwindow->theme->cslider_x,
- 		mwindow->theme->cslider_y, 
+ 		mwindow->theme->cslider_y,
  		mwindow->theme->cslider_w));
 #endif
 
@@ -199,8 +205,9 @@ void CWindowGUI::create_objects()
 		mwindow->theme->czoom_y,
 		mwindow->theme->czoom_w);
 	zoom_panel->create_objects();
-	zoom_panel->zoom_text->add_item(new BC_MenuItem(AUTO_ZOOM));
-	if(!mwindow->edl->session->cwindow_scrollbars) zoom_panel->set_text(AUTO_ZOOM);
+	zoom_panel->zoom_text->add_item(new BC_MenuItem(auto_zoom = _(AUTO_ZOOM)));
+	if( !mwindow->edl->session->cwindow_scrollbars )
+		zoom_panel->set_text(auto_zoom);
 
 // 	destination = new CWindowDestination(mwindow,
 // 		this,
@@ -212,14 +219,7 @@ void CWindowGUI::create_objects()
 	tool_panel = new CWindowTool(mwindow, this);
 	tool_panel->Thread::start();
 
-
 	set_operation(mwindow->edl->session->cwindow_operation);
-
-
-
-	canvas->draw_refresh(0);
-
-
 	draw_status(0);
 	unlock_window();
 }
@@ -243,7 +243,7 @@ int CWindowGUI::resize_event(int w, int h)
 	flash(0);
 
 	composite_panel->reposition_buttons(mwindow->theme->ccomposite_x,
-		mwindow->theme->ccomposite_y);
+		mwindow->theme->ccomposite_y, mwindow->theme->ccomposite_h);
 
 	canvas->reposition_window(mwindow->edl,
 		mwindow->theme->ccanvas_x,
@@ -255,7 +255,7 @@ int CWindowGUI::resize_event(int w, int h)
 
 #ifdef USE_SLIDER
  	slider->reposition_window(mwindow->theme->cslider_x,
- 		mwindow->theme->cslider_y, 
+ 		mwindow->theme->cslider_y,
  		mwindow->theme->cslider_w);
 // Recalibrate pointer motion range
 	slider->set_position();
@@ -289,6 +289,32 @@ int CWindowGUI::resize_event(int w, int h)
 
 int CWindowGUI::button_press_event()
 {
+	if( current_operation == CWINDOW_NONE &&
+	    mwindow->edl != 0 && canvas->get_canvas() &&
+	    mwindow->edl->session->cwindow_click2play &&
+	    canvas->get_canvas()->get_cursor_over_window() ) {
+		switch( get_buttonpress() ) {
+		case LEFT_BUTTON:
+			if( !cwindow->playback_engine->is_playing_back ) {
+				double length = mwindow->edl->tracks->total_playable_length();
+				double position = cwindow->playback_engine->get_tracking_position();
+				if( position >= length ) transport->goto_start();
+			}
+			return transport->forward_play->handle_event();
+		case MIDDLE_BUTTON:
+			if( !cwindow->playback_engine->is_playing_back ) {
+				double position = cwindow->playback_engine->get_tracking_position();
+				if( position <= 0 ) transport->goto_end();
+			}
+			return transport->reverse_play->handle_event();
+		case RIGHT_BUTTON:  // activates popup
+			break;
+		case WHEEL_UP:
+			return transport->frame_forward_play->handle_event();
+		case WHEEL_DOWN:
+			return transport->frame_reverse_play->handle_event();
+		}
+	}
 	if(canvas->get_canvas())
 		return canvas->button_press_event_base(canvas->get_canvas());
 	return 0;
@@ -357,56 +383,65 @@ void CWindowGUI::draw_status(int flush)
 		flush);
 }
 
+float CWindowGUI::get_auto_zoom()
+{
+	float conformed_w, conformed_h;
+	mwindow->edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
+	float zoom_x = canvas->w / conformed_w;
+	float zoom_y = canvas->h / conformed_h;
+	return zoom_x < zoom_y ? zoom_x : zoom_y;
+}
 
-void CWindowGUI::zoom_canvas(int do_auto, double value, int update_menu)
+void CWindowGUI::zoom_canvas(double value, int update_menu)
 {
-	if(do_auto)
-		mwindow->edl->session->cwindow_scrollbars = 0;
-	else
-		mwindow->edl->session->cwindow_scrollbars = 1;
+	float x = 0, y = 0;
+	float zoom = !value ? get_auto_zoom() : value;
+	EDL *edl = mwindow->edl;
+	edl->session->cwindow_scrollbars = !value ? 0 : 1;
+	if( value ) {
+		float cx = 0.5f * canvas->w;  x = cx;
+		float cy = 0.5f * canvas->h;  y = cy;
+		canvas->canvas_to_output(edl, 0, x, y);
+		canvas->update_zoom(0, 0, zoom);
+		float zoom_x, zoom_y, conformed_w, conformed_h;
+		canvas->get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
+		x -= cx / zoom_x;
+		y -= cy / zoom_y;
 
-	float old_zoom = mwindow->edl->session->cwindow_zoom;
-	float new_zoom = value;
-	float x = canvas->w / 2.0;
-	float y = canvas->h / 2.0;
-	canvas->canvas_to_output(mwindow->edl,
-				0,
-				x,
-				y);
-	x -= canvas->w_visible / 2 * old_zoom / new_zoom;
-	y -= canvas->h_visible / 2 * old_zoom / new_zoom;
-	if(update_menu)
-	{
-		if(do_auto)
-		{
-			zoom_panel->update(AUTO_ZOOM);
-		}
-		else
-		{
-			zoom_panel->update(value);
-		}
 	}
+	canvas->update_zoom((int)(x+0.5), (int)(y+0.5), zoom);
+
+	if( update_menu )
+		zoom_panel->update(value);
+	if( mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM )
+		composite_panel->cpanel_zoom->update(zoom);
 
-	canvas->update_zoom((int)x,
-		(int)y,
-		new_zoom);
 	canvas->reposition_window(mwindow->edl,
-		mwindow->theme->ccanvas_x,
-		mwindow->theme->ccanvas_y,
-		mwindow->theme->ccanvas_w,
-		mwindow->theme->ccanvas_h);
+		mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
+		mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 	canvas->draw_refresh();
 }
 
-
-
 void CWindowGUI::set_operation(int value)
 {
-	mwindow->edl->session->cwindow_operation = value;
+	switch( value ) {
+	case CWINDOW_TOOL_WINDOW:
+		mwindow->edl->session->tool_window = !mwindow->edl->session->tool_window;
+		composite_panel->operation[CWINDOW_TOOL_WINDOW]->update(mwindow->edl->session->tool_window);
+		tool_panel->update_show_window();
+		return;
+	case CWINDOW_TITLESAFE:
+		mwindow->edl->session->safe_regions = !mwindow->edl->session->safe_regions;
+		composite_panel->operation[CWINDOW_TITLESAFE]->update(mwindow->edl->session->safe_regions);
+		value = mwindow->edl->session->cwindow_operation;
+		break;
+	default:
+		mwindow->edl->session->cwindow_operation = value;
+		composite_panel->set_operation(value);
+		break;
+	}
 
-	composite_panel->set_operation(value);
 	edit_panel->update();
-
 	tool_panel->start_tool(value);
 	canvas->draw_refresh();
 }
@@ -426,6 +461,7 @@ int CWindowGUI::close_event()
 int CWindowGUI::keypress_event()
 {
 	int result = 0;
+	int cwindow_operation = CWINDOW_NONE;
 
 	switch(get_keypress())
 	{
@@ -452,13 +488,14 @@ int CWindowGUI::keypress_event()
 			lock_window("CWindowGUI::keypress_event 1");
 			break;
 		case 'x':
+			if( ctrl_down() || shift_down() || alt_down() ) break;
 			unlock_window();
 			mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 			mwindow->cut();
 			mwindow->gui->unlock_window();
 			lock_window("CWindowGUI::keypress_event 2");
 			break;
-		case BACKSPACE:
+		case DELETE:
 			unlock_window();
 			mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 			mwindow->clear_entry();
@@ -472,61 +509,82 @@ int CWindowGUI::keypress_event()
 			lock_window("CWindowGUI::keypress_event 4");
 			break;
 		case LEFT:
-			if(!ctrl_down())
-			{
-				if (alt_down())
-				{
-					int shift_down = this->shift_down();
-					unlock_window();
-					mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
-
-					mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
+			if( !ctrl_down() ) {
+				int alt_down = this->alt_down();
+				int shift_down = this->shift_down();
+				unlock_window();
+				stop_transport(0);
+				mwindow->gui->lock_window("CWindowGUI::keypress_event 5");
+				if( alt_down )
 					mwindow->prev_edit_handle(shift_down);
-					mwindow->gui->unlock_window();
-
-					lock_window("CWindowGUI::keypress_event 1");
-				}
 				else
-				{
-					unlock_window();
-
-					mwindow->gui->lock_window("CWindowGUI::keypress_event 3");
 					mwindow->move_left();
-					mwindow->gui->unlock_window();
-
-					lock_window("CWindowGUI::keypress_event 2");
-				}
+				mwindow->gui->unlock_window();
+				lock_window("CWindowGUI::keypress_event 6");
  				result = 1;
 			}
 			break;
-		case RIGHT:
-			if(!ctrl_down())
-			{
-				if (alt_down())
-				{
-					int shift_down = this->shift_down();
-					unlock_window();
-					mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 
-					mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
-					mwindow->next_edit_handle(shift_down);
-					mwindow->gui->unlock_window();
+		case ',':
+			if( !ctrl_down() && !alt_down() ) {
+				unlock_window();
+				stop_transport(0);
+				mwindow->gui->lock_window("CWindowGUI::keypress_event 7");
+				mwindow->move_left();
+				mwindow->gui->unlock_window();
+				lock_window("CWindowGUI::keypress_event 8");
+				result = 1;
+			}
+			break;
 
-					lock_window("CWindowGUI::keypress_event 2");
-				}
+		case RIGHT:
+			if( !ctrl_down() ) {
+				int alt_down = this->alt_down();
+				int shift_down = this->shift_down();
+				unlock_window();
+				stop_transport(0);
+				mwindow->gui->lock_window("CWindowGUI::keypress_event 8");
+				if( alt_down )
+					mwindow->next_edit_handle(shift_down);
 				else
-				{
-					unlock_window();
-
-					mwindow->gui->lock_window("CWindowGUI::keypress_event 4");
 					mwindow->move_right();
-					mwindow->gui->unlock_window();
+				mwindow->gui->unlock_window();
+				lock_window("CWindowGUI::keypress_event 9");
+				result = 1;
+			}
+			break;
 
-					lock_window("CWindowGUI::keypress_event 3");
-				}
+		case '.':
+			if( !ctrl_down() && !alt_down() ) {
+				unlock_window();
+				stop_transport(0);
+				mwindow->gui->lock_window("CWindowGUI::keypress_event 10");
+				mwindow->move_right();
+				mwindow->gui->unlock_window();
+				lock_window("CWindowGUI::keypress_event 11");
 				result = 1;
 			}
 			break;
+
+		case KEY_F1: if( shift_down() ) { mwindow->toggle_camera_xyz();  break; }
+				cwindow_operation = CWINDOW_PROTECT;	break;
+		case KEY_F2: if( shift_down() ) { mwindow->toggle_projector_xyz();  break; }
+				cwindow_operation = CWINDOW_ZOOM;	break;
+		case KEY_F3:	cwindow_operation = CWINDOW_MASK;	break;
+		case KEY_F4:	cwindow_operation = CWINDOW_RULER;	break;
+		case KEY_F5:	cwindow_operation = CWINDOW_CAMERA;	break;
+		case KEY_F6:	cwindow_operation = CWINDOW_PROJECTOR;	break;
+		case KEY_F7:	cwindow_operation = CWINDOW_CROP;	break;
+		case KEY_F8:	cwindow_operation = CWINDOW_EYEDROP;	break;
+		case KEY_F9:	cwindow_operation = CWINDOW_TOOL_WINDOW; break;
+		case KEY_F10:	cwindow_operation = CWINDOW_TITLESAFE;	break;
+		case KEY_F11:	canvas->reset_camera();			break;
+		case KEY_F12:	canvas->reset_projector();		break;
+	}
+
+	if( cwindow_operation >= 0 ) {
+		set_operation(cwindow_operation);
+		result = 1;
 	}
 
 	if(!result) result = transport->keypress_event();
@@ -569,57 +627,38 @@ void CWindowGUI::drag_motion()
 {
 	if(get_hidden()) return;
 
-	if(mwindow->session->current_operation == DRAG_ASSET ||
-		mwindow->session->current_operation == DRAG_VTRANSITION ||
-		mwindow->session->current_operation == DRAG_VEFFECT)
-	{
-		int old_status = mwindow->session->ccanvas_highlighted;
-		int cursor_x = get_relative_cursor_x();
-		int cursor_y = get_relative_cursor_y();
-
-		mwindow->session->ccanvas_highlighted = get_cursor_over_window() &&
-			cursor_x >= canvas->x &&
-			cursor_x < canvas->x + canvas->w &&
-			cursor_y >= canvas->y &&
-			cursor_y < canvas->y + canvas->h;
-
-
-		if(old_status != mwindow->session->ccanvas_highlighted)
-			canvas->draw_refresh();
-	}
+	if(mwindow->session->current_operation != DRAG_ASSET &&
+		mwindow->session->current_operation != DRAG_VTRANSITION &&
+		mwindow->session->current_operation != DRAG_VEFFECT) return;
+	int need_highlight = cursor_above() && get_cursor_over_window();
+	if( highlighted == need_highlight ) return;
+	highlighted = need_highlight;
+	canvas->draw_refresh();
 }
 
 int CWindowGUI::drag_stop()
 {
 	int result = 0;
 	if(get_hidden()) return 0;
-
-	if((mwindow->session->current_operation == DRAG_ASSET ||
-		mwindow->session->current_operation == DRAG_VTRANSITION ||
-		mwindow->session->current_operation == DRAG_VEFFECT) &&
-		mwindow->session->ccanvas_highlighted)
-	{
-// Hide highlighting
-		mwindow->session->ccanvas_highlighted = 0;
-		canvas->draw_refresh();
-		result = 1;
-	}
-	else
-		return 0;
+	if( !highlighted ) return 0;
+	if( mwindow->session->current_operation != DRAG_ASSET &&
+	    mwindow->session->current_operation != DRAG_VTRANSITION &&
+	    mwindow->session->current_operation != DRAG_VEFFECT) return 0;
+	highlighted = 0;
+	canvas->draw_refresh();
+	result = 1;
 
 	if(mwindow->session->current_operation == DRAG_ASSET)
 	{
 		if(mwindow->session->drag_assets->total ||
 			mwindow->session->drag_clips->total)
 		{
-			mwindow->gui->lock_window("CWindowGUI::drag_stop 5");
+			mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 			mwindow->undo->update_undo_before(_("insert assets"), 0);
-			mwindow->gui->unlock_window();
 		}
 
 		if(mwindow->session->drag_assets->total)
 		{
-			mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 			mwindow->clear(0);
 			mwindow->load_assets(mwindow->session->drag_assets,
 				mwindow->edl->local_session->get_selectionstart(),
@@ -634,7 +673,6 @@ int CWindowGUI::drag_stop()
 
 		if(mwindow->session->drag_clips->total)
 		{
-			mwindow->gui->lock_window("CWindowGUI::drag_stop 2");
 			mwindow->clear(0);
 			mwindow->paste_edls(mwindow->session->drag_clips,
 				LOADMODE_PASTE,
@@ -654,7 +692,7 @@ int CWindowGUI::drag_stop()
 			mwindow->gui->update(1, 1, 1, 1, 0, 1, 0);
 			mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 			mwindow->gui->unlock_window();
-			mwindow->sync_parameters(LOAD_ALL);
+			mwindow->sync_parameters(CHANGE_ALL);
 		}
 	}
 
@@ -692,30 +730,36 @@ void CWindowGUI::update_meters()
 	}
 }
 
+void CWindowGUI::stop_transport(const char *lock_msg)
+{
+	if( lock_msg ) unlock_window();
+	mwindow->stop_transport();
+	if( lock_msg ) lock_window(lock_msg);
+}
+
 
 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
- : EditPanel(mwindow,
-		cwindow->gui,
-		mwindow->theme->cedit_x,
-		mwindow->theme->cedit_y,
+ : EditPanel(mwindow, cwindow->gui, CWINDOW_ID,
+		mwindow->theme->cedit_x, mwindow->theme->cedit_y,
 		mwindow->edl->session->editing_mode,
-		0,
-		1,
-		0,
-		0,
-		1,
-		1,
-		1,
-		1,
-		1,
-		0,
+		0, // use_editing_mode
+		1, // use_keyframe
+		0, // use_splice
+		0, // use_overwrite
+		1, // use_lift
+		1, // use_extract
+		1, // use_copy
+		1, // use_paste
+		1, // use_undo
+		0, // use_fit
 		0, // locklabels
-		1,
-		1,
-		1,
-		0,
-		1,
-		0)
+		1, // use_labels
+		1, // use_toclip
+		1, // use_meters
+		1, // use_cut
+		0, // use_commerical
+		0, // use_goto
+		1) // use_clk2play
 {
 	this->mwindow = mwindow;
 	this->cwindow = cwindow;
@@ -732,15 +776,23 @@ CWrapper(splice_selection)
 CWrapper(overwrite_selection)
 CWrapper(set_inpoint)
 CWrapper(set_outpoint)
-CWrapper(clear_inpoint)
-CWrapper(clear_outpoint)
-CWrapper(to_clip)
+CWrapper(unset_inoutpoint)
 CWrapper(toggle_label)
-CWrapper(prev_label)
-CWrapper(next_label)
-CWrapper(prev_edit)
-CWrapper(next_edit)
 
+#define CWrapper_cut(fn) void CWindowEditing::fn(int cut) { \
+	mwindow->gui->lock_window("CWrapper::" #fn); \
+	EditPanel::fn(cut); \
+	mwindow->gui->unlock_window(); \
+}
+CWrapper_cut(prev_label)
+CWrapper_cut(next_label)
+CWrapper_cut(prev_edit)
+CWrapper_cut(next_edit)
+
+void CWindowEditing::to_clip()
+{
+	mwindow->to_clip(mwindow->edl, _("composer window: "), 0);
+}
 
 
 CWindowMeters::CWindowMeters(MWindow *mwindow,
@@ -778,15 +830,8 @@ int CWindowMeters::change_status_event(int new_status)
 
 
 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
- : ZoomPanel(mwindow,
- 	gui,
-	(double)mwindow->edl->session->cwindow_zoom,
-	x,
-	y,
-	w,
-	my_zoom_table,
-	total_zooms,
-	ZOOM_PERCENTAGE)
+ : ZoomPanel(mwindow, gui, (double)mwindow->edl->session->cwindow_zoom,
+	x, y, w, my_zoom_table, total_zooms, ZOOM_PERCENTAGE)
 {
 	this->mwindow = mwindow;
 	this->gui = gui;
@@ -796,17 +841,26 @@ CWindowZoom::~CWindowZoom()
 {
 }
 
-int CWindowZoom::handle_event()
+void CWindowZoom::update(double value)
 {
-	if(!strcasecmp(AUTO_ZOOM, get_text()))
-	{
-		gui->zoom_canvas(1, get_value(), 0);
+	char string[BCSTRLEN];
+	const char *cp = string;
+	if( value ) {
+		this->value = value;
+		int frac = value >= 1.0f ? 1 :
+			   value >= 0.1f ? 2 :
+			   value >= .01f ? 3 : 4;
+		sprintf(string, "x %.*f", frac, value);
 	}
 	else
-	{
-		gui->zoom_canvas(0, get_value(), 0);
-	}
+		cp = gui->auto_zoom;
+	ZoomPanel::update(cp);
+}
 
+int CWindowZoom::handle_event()
+{
+	double value = !strcasecmp(gui->auto_zoom, get_text()) ? 0 : get_value();
+	gui->zoom_canvas(value, 0);
 	return 1;
 }
 
@@ -814,13 +868,13 @@ int CWindowZoom::handle_event()
 
 #ifdef USE_SLIDER
 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
- : BC_PercentageSlider(x, 
+ : BC_PercentageSlider(x,
 			y,
 			0,
-			pixels, 
-			pixels, 
-			0, 
-			1, 
+			pixels,
+			pixels,
+			0,
+			1,
 			0)
 {
 	this->mwindow = mwindow;
@@ -840,21 +894,10 @@ int CWindowSlider::handle_event()
 
 void CWindowSlider::set_position()
 {
-	double new_length = mwindow->edl->tracks->total_playable_length();
-// 	if(mwindow->edl->local_session->preview_end <= 0 ||
-// 		mwindow->edl->local_session->preview_end > new_length)
-// 		mwindow->edl->local_session->preview_end = new_length;
-// 	if(mwindow->edl->local_session->preview_start > 
-// 		mwindow->edl->local_session->preview_end)
-// 		mwindow->edl->local_session->preview_start = 0;
-
-
-	update(mwindow->theme->cslider_w, 
-		mwindow->edl->local_session->get_selectionstart(1), 
-		0,
-		new_length);
-//		mwindow->edl->local_session->preview_start, 
-//		mwindow->edl->local_session->preview_end);
+	double new_length = mwindow->edl->tracks->total_length();
+	update(mwindow->theme->cslider_w,
+		mwindow->edl->local_session->get_selectionstart(1),
+		0, new_length);
 }
 
 
@@ -876,22 +919,22 @@ int CWindowSlider::decrease_value()
 
 
 // CWindowDestination::CWindowDestination(MWindow *mwindow, CWindowGUI *cwindow, int x, int y)
-//  : BC_PopupTextBox(cwindow, 
-//  	&cwindow->destinations, 
+//  : BC_PopupTextBox(cwindow,
+//  	&cwindow->destinations,
 // 	cwindow->destinations.values[cwindow->cwindow->destination]->get_text(),
-// 	x, 
-// 	y, 
-// 	70, 
+// 	x,
+// 	y,
+// 	70,
 // 	200)
 // {
 // 	this->mwindow = mwindow;
 // 	this->cwindow = cwindow;
 // }
-// 
+//
 // CWindowDestination::~CWindowDestination()
 // {
 // }
-// 
+//
 // int CWindowDestination::handle_event()
 // {
 // 	return 1;
@@ -988,7 +1031,7 @@ void CWindowCanvas::update_zoom(int x, int y, float zoom)
 
 void CWindowCanvas::zoom_auto()
 {
-	gui->zoom_canvas(1, 1.0, 1);
+	gui->zoom_canvas(0, 1);
 }
 
 int CWindowCanvas::get_xscroll()
@@ -1046,6 +1089,15 @@ void CWindowCanvas::draw_refresh(int flush)
 				in_x2 > in_x1 &&
 				in_y2 > in_y1)
 			{
+// input scaled from session to refresh frame coordinates
+				int ow = get_output_w(mwindow->edl);
+				int oh = get_output_h(mwindow->edl);
+				int rw = refresh_frame->get_w();
+				int rh = refresh_frame->get_h();
+				float xs = (float)rw / ow;
+				float ys = (float)rh / oh;
+				in_x1 *= xs;  in_x2 *= xs;
+				in_y1 *= ys;  in_y2 *= ys;
 // Can't use OpenGL here because it is called asynchronously of the
 // playback operation.
 				get_canvas()->draw_vframe(refresh_frame,
@@ -1069,6 +1121,9 @@ void CWindowCanvas::draw_refresh(int flush)
 		}
 
 		draw_overlays();
+// allow last opengl write to complete before redraw
+// tried sync_display, glFlush, glxMake*Current(0..)
+usleep(20000);
 		get_canvas()->flash(flush);
 	}
 //printf("CWindowCanvas::draw_refresh 10\n");
@@ -1530,6 +1585,14 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 				float x2 = point2->x + point2->control_x1;
 				float y2 = point2->y + point2->control_y1;
 				float x3 = point2->x, y3 = point2->y;
+				float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
+				float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
+				float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
+				float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
+				float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
+				float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
+				float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
+				float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
 
 				float t = (float)j / segments;
 				float tpow2 = t * t;
@@ -1546,9 +1609,8 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 					+ 3 * t     * invtpow2 * y1
 					+ 3 * tpow2 * invt     * y2
 					+     tpow3            * y3);
-
-				x = (x - half_track_w) * projector_z + projector_x;
-				y = (y - half_track_h) * projector_z + projector_y;
+				float canvas_x = (x - half_track_w) * projector_z + projector_x;
+				float canvas_y = (y - half_track_h) * projector_z + projector_y;
 // Test new point addition
 				if(button_press) {
 					float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
@@ -1565,13 +1627,9 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 					}
 
 // Test existing point selection
-					float canvas_x = (x0 - half_track_w) * projector_z + projector_x;
-					float canvas_y = (y0 - half_track_h) * projector_z + projector_y;
 // Test first point
 					if(gui->ctrl_down()) {
-						float control_x = (x1 - half_track_w) * projector_z + projector_x;
-						float control_y = (y1 - half_track_h) * projector_z + projector_y;
-						float distance = line_dist(control_x,control_y, mask_cursor_x,mask_cursor_y);
+						float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
 
 						if(distance < selected_control_point_distance) {
 							selected_point = i;
@@ -1581,7 +1639,8 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 					}
 					else {
 						if(!gui->shift_down()) {
-							if(test_bbox(cursor_x, cursor_y, canvas_x, canvas_y)) {
+							output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
+							if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
 								selected_point = i;
 							}
 						}
@@ -1590,13 +1649,8 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 						}
 					}
 // Test second point
-					canvas_x = (x3 - half_track_w) * projector_z + projector_x;
-					canvas_y = (y3 - half_track_h) * projector_z + projector_y;
-
 					if(gui->ctrl_down()) {
-						float control_x = (x2 - half_track_w) * projector_z + projector_x;
-						float control_y = (y2 - half_track_h) * projector_z + projector_y;
-						float distance = line_dist(control_x,control_y, mask_cursor_x,mask_cursor_y);
+						float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
 
 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
 						if(distance < selected_control_point_distance) {
@@ -1607,7 +1661,8 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 					}
 					else if(i < points.size() - 1) {
 						if(!gui->shift_down()) {
-							if(test_bbox(cursor_x, cursor_y, canvas_x, canvas_y)) {
+							output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
+							if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
 								selected_point = (i < points.size() - 1 ? i + 1 : 0);
 							}
 						}
@@ -1617,14 +1672,13 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 					}
 				}
 
-
-				output_to_canvas(mwindow->edl, 0, x, y);
+				output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
 
 				if(j > 0) {
 
 					if(draw) { // Draw joining line
-						x_points.append((int)x);
-						y_points.append((int)y);
+						x_points.append((int)canvas_x);
+						y_points.append((int)canvas_y);
 					}
 
 					if(j == segments) {
@@ -1632,27 +1686,26 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 							if(i < points.size() - 1) {
 								if(i == gui->affected_point - 1)
 									get_canvas()->draw_disc(
-										(int)x - CONTROL_W / 2,
-										(int)y - CONTROL_W / 2,
+										(int)canvas_x - CONTROL_W / 2,
+										(int)canvas_y - CONTROL_W / 2,
 										CONTROL_W, CONTROL_H);
 								else
 									get_canvas()->draw_circle(
-										(int)x - CONTROL_W / 2,
-										(int)y - CONTROL_W / 2,
+										(int)canvas_x - CONTROL_W / 2,
+										(int)canvas_y - CONTROL_W / 2,
 										CONTROL_W, CONTROL_H);
 // char string[BCTEXTLEN];
 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
-// canvas->draw_text((int)x + CONTROL_W, (int)y + CONTROL_W, string);
+// canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
 							}
-
-// Draw second control point.  Discard x2 and y2 after this.
-							x2 = (x2 - half_track_w) * projector_z + projector_x;
-							y2 = (y2 - half_track_h) * projector_z + projector_y;
-							output_to_canvas(mwindow->edl, 0, x2, y2);
-							get_canvas()->draw_line((int)x, (int)y, (int)x2, (int)y2);
+// Draw second control point.
+							output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
+							get_canvas()->draw_line(
+								(int)canvas_x, (int)canvas_y,
+								(int)canvas_x2, (int)canvas_y2);
 							get_canvas()->draw_rectangle(
-								(int)x2 - CONTROL_W / 2,
-								(int)y2 - CONTROL_H / 2,
+								(int)canvas_x2 - CONTROL_W / 2,
+								(int)canvas_y2 - CONTROL_H / 2,
 								CONTROL_W, CONTROL_H);
 						}
 					}
@@ -1664,29 +1717,29 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 						sprintf(mask_label, "%d",
 							mwindow->edl->session->cwindow_mask);
 						get_canvas()->draw_text(
-							(int)x - FIRST_CONTROL_W,
-							(int)y - FIRST_CONTROL_H,
+							(int)canvas_x - FIRST_CONTROL_W,
+							(int)canvas_y - FIRST_CONTROL_H,
 							mask_label);
-							
+
 						get_canvas()->draw_disc(
-							(int)x - FIRST_CONTROL_W / 2,
-							(int)y - FIRST_CONTROL_H / 2,
+							(int)canvas_x - FIRST_CONTROL_W / 2,
+							(int)canvas_y - FIRST_CONTROL_H / 2,
 							FIRST_CONTROL_W, FIRST_CONTROL_H);
 					}
 
-// Draw first control point.  Discard x1 and y1 after this.
+// Draw first control point.
 					if(draw) {
-						x1 = (x1 - half_track_w) * projector_z + projector_x;
-						y1 = (y1 - half_track_h) * projector_z + projector_y;
-						output_to_canvas(mwindow->edl, 0, x1, y1);
-						get_canvas()->draw_line((int)x, (int)y, (int)x1, (int)y1);
+						output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
+						get_canvas()->draw_line(
+							(int)canvas_x, (int)canvas_y,
+							(int)canvas_x1, (int)canvas_y1);
 						get_canvas()->draw_rectangle(
-							(int)x1 - CONTROL_W / 2,
-							(int)y1 - CONTROL_H / 2,
+							(int)canvas_x1 - CONTROL_W / 2,
+							(int)canvas_y1 - CONTROL_H / 2,
 							CONTROL_W, CONTROL_H);
 
-						x_points.append((int)x);
-						y_points.append((int)y);
+						x_points.append((int)canvas_x);
+						y_points.append((int)canvas_y);
 					}
 				}
 //printf("CWindowCanvas::do_mask 1\n");
@@ -2006,26 +2059,26 @@ int CWindowCanvas::do_mask(int &redraw, int &rerender,
 				float y1 = point->y + point->control_y1;
 				float x2 = point->x + point->control_x2;
 				float y2 = point->y + point->control_y2;
-				float canvas_x = (x0 - half_track_w) * projector_z + projector_x;
-				float canvas_y = (y0 - half_track_h) * projector_z + projector_y;
+				float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
+				float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
 
-				output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
-				if(test_bbox(cursor_x, cursor_y, canvas_x, canvas_y)) {
+				output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
+				if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
 					over_point = 1;
 				}
 
 				if(!over_point && gui->ctrl_down()) {
-					canvas_x = (x1 - half_track_w) * projector_z + projector_x;
-					canvas_y = (y1 - half_track_h) * projector_z + projector_y;
-					output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
-					if(test_bbox(cursor_x, cursor_y, canvas_x, canvas_y)) {
+					float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
+					float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
+					output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
+					if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
 						over_point = 1;
 					}
 					else {
-						canvas_x = (x2 - half_track_w) * projector_z + projector_x;
-						canvas_y = (y2 - half_track_h) * projector_z + projector_y;
-						output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
-						if(test_bbox(cursor_x, cursor_y, canvas_x, canvas_y)) {
+						float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
+						float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
+						output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
+						if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
 							over_point = 1;
 						}
 					}
@@ -2180,15 +2233,24 @@ int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
 	float blue = (float)*row++ / max; \
 	if(do_yuv) \
 	{ \
-		mwindow->edl->local_session->red += red + V_TO_R * (blue - 0.5); \
-		mwindow->edl->local_session->green += red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
-		mwindow->edl->local_session->blue += red + U_TO_B * (green - 0.5); \
+		float r = red + V_TO_R * (blue - 0.5); \
+		float g = red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
+		float b = red + U_TO_B * (green - 0.5); \
+		mwindow->edl->local_session->red += r; \
+		mwindow->edl->local_session->green += g; \
+		mwindow->edl->local_session->blue += b; \
+		if(r > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = r; \
+		if(g > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = g; \
+		if(b > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = b; \
 	} \
 	else \
 	{ \
 		mwindow->edl->local_session->red += red; \
 		mwindow->edl->local_session->green += green; \
 		mwindow->edl->local_session->blue += blue; \
+		if(red > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = red; \
+		if(green > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = green; \
+		if(blue > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = blue; \
 	} \
 }
 
@@ -2197,6 +2259,9 @@ int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
 			mwindow->edl->local_session->red = 0;
 			mwindow->edl->local_session->green = 0;
 			mwindow->edl->local_session->blue = 0;
+			mwindow->edl->local_session->red_max = 0;
+			mwindow->edl->local_session->green_max = 0;
+			mwindow->edl->local_session->blue_max = 0;
 			for(int i = row1; i < row2; i++)
 			{
 				for(int j = column1; j < column2; j++)
@@ -2259,6 +2324,24 @@ int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
 	return result;
 }
 
+int CWindowCanvas::need_overlays()
+{
+	if( mwindow->edl->session->safe_regions ) return 1;
+	if( mwindow->edl->session->cwindow_scrollbars ) return 1;
+	if( gui->highlighted ) return 1;
+	switch( mwindow->edl->session->cwindow_operation ) {
+		case CWINDOW_EYEDROP:
+			if( ! gui->eyedrop_visible ) break;
+		case CWINDOW_CAMERA:
+		case CWINDOW_PROJECTOR:
+		case CWINDOW_CROP:
+		case CWINDOW_MASK:
+		case CWINDOW_RULER:
+			return 1;
+	}
+	return 0;
+}
+
 void CWindowCanvas::draw_overlays()
 {
 	if(mwindow->edl->session->safe_regions)
@@ -2288,7 +2371,7 @@ void CWindowCanvas::draw_overlays()
 		get_canvas()->set_opaque();
 	}
 
-	if(mwindow->session->ccanvas_highlighted)
+	if(gui->highlighted)
 	{
 		get_canvas()->set_color(WHITE);
 		get_canvas()->set_inverse();
@@ -2507,7 +2590,7 @@ int CWindowCanvas::test_crop(int button_press, int &redraw)
 			redraw = 1;
 		}
 	}
-    else
+	else
 // Translate all 4 points
 	if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
 	{
@@ -2768,8 +2851,8 @@ void CWindowCanvas::draw_bezier(int do_camera)
 
 }
 
-int CWindowCanvas::test_bezier(int button_press, 
-	int &redraw, 
+int CWindowCanvas::test_bezier(int button_press,
+	int &redraw,
 	int &redraw_canvas,
 	int &rerender,
 	int do_camera)
@@ -2834,11 +2917,11 @@ int CWindowCanvas::test_bezier(int button_press,
 					FloatAuto *previous = 0;
 					FloatAuto *next = 0;
 					float new_z = affected_z_autos->get_value(
-						track_position, 
+						track_position,
 						PLAY_FORWARD,
 						previous,
 						next);
-					gui->affected_z = 
+					gui->affected_z =
 						(FloatAuto*)gui->cwindow->calculate_affected_auto(
 							affected_z_autos, 1, &created, 0);
 					if(created) {
@@ -2851,25 +2934,25 @@ int CWindowCanvas::test_bezier(int button_press,
 					FloatAuto *previous = 0;
 					FloatAuto *next = 0;
 					float new_x = affected_x_autos->get_value(
-						track_position, 
+						track_position,
 						PLAY_FORWARD,
 						previous,
 						next);
 					previous = 0;
 					next = 0;
 					float new_y = affected_y_autos->get_value(
-						track_position, 
+						track_position,
 						PLAY_FORWARD,
 						previous,
 						next);
-					gui->affected_x = 
+					gui->affected_x =
 						(FloatAuto*)gui->cwindow->calculate_affected_auto(
 							affected_x_autos, 1, &created, 0);
 					if(created) {
 						gui->affected_x->set_value(new_x);
 						redraw_canvas = 1;
 					}
-					gui->affected_y = 
+					gui->affected_y =
 						(FloatAuto*)gui->cwindow->calculate_affected_auto(
 							affected_y_autos, 1, &created, 0);
 					if(created) {
@@ -2911,8 +2994,13 @@ int CWindowCanvas::test_bezier(int button_press,
 			{
 				last_center_x = gui->affected_x->get_value();
 				last_center_y = gui->affected_y->get_value();
-				float x = gui->center_x + cursor_x - gui->x_origin;
-				float y = gui->center_y + cursor_y - gui->y_origin;
+				float dx = cursor_x - gui->x_origin;
+				float dy = cursor_y - gui->y_origin;
+				if(gui->current_operation == CWINDOW_CAMERA ) {
+					dx = -dx;  dy = -dy;
+				}
+				float x = gui->center_x + dx;
+				float y = gui->center_y + dy;
 				gui->affected_x->set_value(x);
 				gui->affected_y->set_value(y);
 				if( !EQUIV(last_center_x, x) || !EQUIV(last_center_y, y) )
@@ -2944,13 +3032,13 @@ int CWindowCanvas::test_bezier(int button_press,
 			else
 				mwindow->undo->update_undo_before(_("projector"), this);
 
-			gui->current_operation = 
+			gui->current_operation =
 				mwindow->edl->session->cwindow_operation;
 			gui->tool_panel->raise_window();
 			result = 1;
 		}
 	}
-	
+
 	return result;
 }
 
@@ -2958,84 +3046,50 @@ int CWindowCanvas::test_bezier(int button_press,
 int CWindowCanvas::test_zoom(int &redraw)
 {
 	int result = 0;
-	float zoom = get_zoom();
-	float x;
-	float y;
-
-	if(!mwindow->edl->session->cwindow_scrollbars)
-	{
-		mwindow->edl->session->cwindow_scrollbars = 1;
-		zoom = 1.0;
-		x = mwindow->edl->session->output_w / 2;
-		y = mwindow->edl->session->output_h / 2;
-		x = x - w / zoom / 2;
-		y = y - h / zoom / 2;
-	}
-	else
-	{
-// Cursor position relative to canvas
-		x = get_cursor_x();
-		y = get_cursor_y();
-// cursor position relative to output
-		float output_x = x;
-		float output_y = y;
-		canvas_to_output(mwindow->edl, 
-				0, 
-				output_x, 
-				output_y);
-
-//printf("CWindowCanvas::test_zoom 1 %f %f\n", x, y);
+	float x, y;
+	float zoom = 0;
 
+	if( mwindow->edl->session->cwindow_scrollbars ) {
+		if( *gui->zoom_panel->get_text() != 'x' ) {
 // Find current zoom in table
-		int current_index = 0;
-		for(current_index = 0 ; current_index < total_zooms; current_index++)
-			if(EQUIV(my_zoom_table[current_index], zoom)) break;
-
-
-// Zoom out
-		if(get_buttonpress() == 5 ||
-			gui->ctrl_down() || 
-			gui->shift_down())
-		{
-			current_index--;
+			int idx = total_zooms;  float old_zoom = get_zoom();
+			while( --idx >= 0 && !EQUIV(my_zoom_table[idx], old_zoom) );
+			if( idx >= 0 ) {
+				idx += get_buttonpress() == 5 ||
+					 gui->ctrl_down() || gui->shift_down() ?  -1 : +1 ;
+				CLAMP(idx, 0, total_zooms-1);
+				zoom = my_zoom_table[idx];
+			}
 		}
-		else
-// Zoom in
-		{
-			current_index++;
+		x = get_cursor_x();  y = get_cursor_y();
+		if( !zoom ) {
+			mwindow->edl->session->cwindow_scrollbars = 0;
+			gui->zoom_panel->update(0);
+			zoom = gui->get_auto_zoom();
+		}
+		else {
+			gui->zoom_panel->ZoomPanel::update(zoom);
+			float output_x = x, output_y = y;
+			canvas_to_output(mwindow->edl, 0, output_x, output_y);
+			x = output_x - x / zoom;
+			y = output_y - y / zoom;
 		}
-		
-		CLAMP(current_index, 0, total_zooms - 1);
-		zoom = my_zoom_table[current_index];
-		
-		x = output_x - x / zoom;
-		y = output_y - y / zoom;
-
-		
 	}
+	else {
+		mwindow->edl->session->cwindow_scrollbars = 1;
+		x = (mwindow->edl->session->output_w - w) / 2;
+		y = (mwindow->edl->session->output_h - h) / 2;
+		zoom = 1;
+	}
+	update_zoom((int)x, (int)y, zoom);
 
+	gui->composite_panel->cpanel_zoom->update(zoom);
 
+	reposition_window(mwindow->edl,
+			mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
+			mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
+	redraw = 1;  result = 1;
 
-	int x_i = (int)x;
-	int y_i = (int)y;
-//	check_boundaries(mwindow->edl, x_i, y_i, zoom);
-
-//printf("CWindowCanvas::test_zoom 2 %d %d\n", x_i, y_i);
-
-	update_zoom(x_i, 
-			y_i, 
-			zoom);
-	reposition_window(mwindow->edl, 
-			mwindow->theme->ccanvas_x,
-			mwindow->theme->ccanvas_y,
-			mwindow->theme->ccanvas_w,
-			mwindow->theme->ccanvas_h);
-	redraw = 1;
-	result = 1;
-
-	
-	gui->zoom_panel->update(zoom);
-	
 	return result;
 }
 
@@ -3109,8 +3163,8 @@ int CWindowCanvas::cursor_motion_event()
 			int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
 			int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
 
-			update_zoom(x, 
-				y, 
+			update_zoom(x,
+				y,
 				zoom);
 			update_scrollbars(0);
 			redraw = 1;
@@ -3133,9 +3187,9 @@ int CWindowCanvas::cursor_motion_event()
 
 		case CWINDOW_CROP:
 			result = test_crop(0, redraw);
-// printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n", 
-// __LINE__, 
-// result, 
+// printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
+// __LINE__,
+// result,
 // redraw);
 			break;
 
@@ -3144,9 +3198,9 @@ int CWindowCanvas::cursor_motion_event()
 		case CWINDOW_MASK_CONTROL_OUT:
 		case CWINDOW_MASK_TRANSLATE:
 
-			result = do_mask(redraw, 
-				rerender, 
-				0, 
+			result = do_mask(redraw,
+				rerender,
+				0,
 				1,
 				0);
 			break;
@@ -3164,8 +3218,8 @@ int CWindowCanvas::cursor_motion_event()
 // cursor font changes
 	if(!result)
 	{
-// printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n", 
-// __LINE__, 
+// printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
+// __LINE__,
 // mwindow->edl->session->cwindow_operation);
 		switch(mwindow->edl->session->cwindow_operation)
 		{
@@ -3176,9 +3230,9 @@ int CWindowCanvas::cursor_motion_event()
 				result = do_ruler(0, 1, 0, 0);
 				break;
 			case CWINDOW_MASK:
-				result = do_mask(redraw, 
-					rerender, 
-					0, 
+				result = do_mask(redraw,
+					rerender,
+					0,
 					1,
 					0);
 					break;
@@ -3199,12 +3253,12 @@ int CWindowCanvas::cursor_motion_event()
 	if(redraw_canvas)
 	{
 		gui->unlock_window();
-	
-	
+
+
 		mwindow->gui->lock_window("CWindowCanvas::cursor_motion_event 1");
 		mwindow->gui->draw_overlays(1);
 		mwindow->gui->unlock_window();
-		
+
 		gui->lock_window("CWindowCanvas::cursor_motion_event 1");
 	}
 
@@ -3213,10 +3267,7 @@ int CWindowCanvas::cursor_motion_event()
 		gui->unlock_window();
 		mwindow->restart_brender();
 		mwindow->sync_parameters(CHANGE_PARAMS);
-		gui->cwindow->playback_engine->que->send_command(CURRENT_FRAME, 
-			CHANGE_NONE,
-			mwindow->edl,
-			1);
+		mwindow->cwindow->refresh_frame(CHANGE_NONE);
 		if(!redraw) gui->update_tool();
 		gui->lock_window("CWindowCanvas::cursor_motion_event 2");
 	}
@@ -3232,7 +3283,7 @@ int CWindowCanvas::button_press_event()
 
 	if(Canvas::button_press_event()) return 1;
 
-	gui->translating_zoom = gui->shift_down(); 
+	gui->translating_zoom = gui->shift_down();
 
 	calculate_origin();
 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
@@ -3243,7 +3294,8 @@ int CWindowCanvas::button_press_event()
 	gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
 
 // Scroll view
-	if(get_buttonpress() == 2)
+	if( mwindow->edl->session->cwindow_operation != CWINDOW_PROTECT &&
+	    get_buttonpress() == 2 )
 	{
 		gui->current_operation = CWINDOW_SCROLL;
 		result = 1;
@@ -3256,7 +3308,7 @@ int CWindowCanvas::button_press_event()
 			case CWINDOW_RULER:
 				result = do_ruler(0, 0, 1, 0);
 				break;
-		
+
 			case CWINDOW_CAMERA:
 				result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
 				break;
@@ -3288,27 +3340,24 @@ int CWindowCanvas::button_press_event()
 	{
 		draw_refresh();
 		gui->unlock_window();
-	
-	
+
+
 		mwindow->gui->lock_window("CWindowCanvas::button_press_event 1");
 		mwindow->gui->draw_overlays(1);
 		mwindow->gui->unlock_window();
 		gui->update_tool();
-		
+
 		gui->lock_window("CWindowCanvas::button_press_event 1");
 	}
 
 // rerendering can also be caused by press event
-	if(rerender) 
+	if(rerender)
 	{
 		gui->unlock_window();
 
 		mwindow->restart_brender();
 		mwindow->sync_parameters(CHANGE_PARAMS);
-		gui->cwindow->playback_engine->que->send_command(CURRENT_FRAME, 
-			CHANGE_NONE,
-			mwindow->edl,
-			1);
+		mwindow->cwindow->refresh_frame(CHANGE_NONE);
 		if(!redraw) gui->update_tool();
 		gui->lock_window("CWindowCanvas::button_press_event 2");
 	}
@@ -3324,7 +3373,7 @@ int CWindowCanvas::button_release_event()
 		case CWINDOW_SCROLL:
 			result = 1;
 			break;
-			
+
 		case CWINDOW_RULER:
 			do_ruler(0, 0, 0, 1);
 			break;
@@ -3345,7 +3394,9 @@ int CWindowCanvas::button_release_event()
 			gui->mask_keyframe = 0;
 			mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
 			break;
-
+		case CWINDOW_NONE:
+			result = Canvas::button_release_event();
+			break;
 	}
 
 	gui->current_operation = CWINDOW_NONE;
@@ -3356,12 +3407,12 @@ void CWindowCanvas::zoom_resize_window(float percentage)
 {
 	int canvas_w, canvas_h;
 	int new_w, new_h;
-	
-	
+
+
 // Get required canvas size
-	calculate_sizes(mwindow->edl->get_aspect_ratio(), 
-		mwindow->edl->session->output_w, 
-		mwindow->edl->session->output_h, 
+	calculate_sizes(mwindow->edl->get_aspect_ratio(),
+		mwindow->edl->session->output_w,
+		mwindow->edl->session->output_h,
 		percentage,
 		canvas_w,
 		canvas_h);
@@ -3374,7 +3425,7 @@ void CWindowCanvas::zoom_resize_window(float percentage)
 	mwindow->session->cwindow_w = new_w;
 	mwindow->session->cwindow_h = new_h;
 
-	mwindow->theme->get_cwindow_sizes(gui, 
+	mwindow->theme->get_cwindow_sizes(gui,
 		mwindow->session->cwindow_controls);
 
 // Estimate again from new borders