X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcinelerra.git;a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fcolorpicker.C;h=7c0a38d0d946fa8364b5e0c84c25ed442d2110e2;hp=097bcec8949aa7bbc1b5b3f40a9ae5cf217a5f0d;hb=052becff04e4f4a4240a87c6b2f2f4023b65d247;hpb=83bfb86d01b353bab485d0ccc336e0572bcb63c6

diff --git a/cinelerra-5.1/cinelerra/colorpicker.C b/cinelerra-5.1/cinelerra/colorpicker.C
index 097bcec8..7c0a38d0 100644
--- a/cinelerra-5.1/cinelerra/colorpicker.C
+++ b/cinelerra-5.1/cinelerra/colorpicker.C
@@ -23,6 +23,7 @@
 #include "bccapture.h"
 #include "bccolors.h"
 #include "bcdisplayinfo.h"
+#include "cstrdup.h"
 #include "colorpicker.h"
 #include "condition.h"
 #include "keys.h"
@@ -40,34 +41,30 @@
 ColorPicker::ColorPicker(int do_alpha, const char *title)
  : BC_DialogThread()
 {
-	this->title = title;
 	this->do_alpha = do_alpha;
-	this->do_okcancel = 0;
-	this->output = this->orig_color = BLACK;
-	this->alpha = this->orig_alpha = 255;
+	this->title = cstrdup(title);
 }
 
 ColorPicker::~ColorPicker()
 {
 	close_window();
+	delete [] title;
 }
 
-void ColorPicker::start_window(int output, int alpha, int do_okcancel)
+void ColorPicker::start_window(int color, int alpha, int ok_cancel)
 {
 	if( running() ) {
-		ColorWindow *gui = (ColorWindow *)get_gui();
-		if( gui ) {
-			gui->lock_window("ColorPicker::start_window");
-			gui->raise_window(1);
-			gui->unlock_window();
+		ColorWindow *window = (ColorWindow *)get_gui();
+		if( window ) {
+			window->lock_window("ColorPicker::start_window");
+			window->raise_window(1);
+			window->unlock_window();
 		}
 		return;
 	}
-	this->orig_color = output;
-	this->orig_alpha = alpha;
-	this->output = output;
+	this->color = color;
 	this->alpha = alpha;
-	this->do_okcancel = do_okcancel;
+	this->ok_cancel = ok_cancel;
 	start();
 }
 
@@ -77,47 +74,84 @@ BC_Window* ColorPicker::new_gui()
 	strcpy(window_title, _(PROGRAM_NAME ": "));
 	strcat(window_title, title ? title : _("Color Picker"));
 	BC_DisplayInfo display_info;
-	int x = display_info.get_abs_cursor_x() + 25;
-	int y = display_info.get_abs_cursor_y() - 100;
-	int w = 540, h = 330;
-	if( do_okcancel )
-		h += bmax(BC_OKButton::calculate_h(),BC_CancelButton::calculate_h());
+	int x = display_info.get_abs_cursor_x() + xS(25);
+	int y = display_info.get_abs_cursor_y() - yS(100);
+	int w = ColorWindow::calculate_w();
+	int h = ColorWindow::calculate_h();
+	if( ok_cancel )
+		h += bmax(ColorOK::calculate_h(),ColorCancel::calculate_h());
 	int root_w = display_info.get_root_w(), root_h = display_info.get_root_h();
 	if( x+w > root_w ) x = root_w - w;
 	if( y+h > root_h ) y = root_h - h;
 	if( x < 0 ) x = 0;
 	if( y < 0 ) y = 0;
-	ColorWindow *gui = new ColorWindow(this, x, y, w, h, window_title);
-	gui->create_objects();
-	return gui;
+	ColorWindow *window = new ColorWindow(this, x, y, w, h, window_title);
+	window->create_objects();
+	window->start_selection(color, !do_alpha ? -1 : alpha, ok_cancel);
+	return window;
 }
 
-void ColorPicker::update_gui(int output, int alpha)
+void ColorPicker::update_gui(int color, int alpha)
 {
-	ColorWindow *gui = (ColorWindow *)get_gui();
-	if( !gui ) return;
-	gui->lock_window();
-	this->output = output;
-	this->alpha = alpha;
-	gui->change_values();
-	gui->update_display();
-	gui->unlock_window();
+	ColorWindow *window = (ColorWindow *)get_gui();
+	if( !window ) return;
+	window->update_gui(color, alpha);
 }
 
-int ColorPicker::handle_new_color(int output, int alpha)
+int ColorPicker::handle_new_color(int color, int alpha)
 {
 	printf("ColorPicker::handle_new_color undefined.\n");
-	return 0;
+	return 1;
 }
 
-
 ColorWindow::ColorWindow(ColorPicker *thread, int x, int y, int w, int h, const char *title)
- : BC_Window(title, x, y, w, h, w, h, 0, 0, 1)
+ : BC_Window(title, x, y, w, h, w, h, 0, 0, 1),
+   ColorGUI(this)
 {
 	this->thread = thread;
+}
+
+ColorWindow::~ColorWindow()
+{
+}
+
+void ColorWindow::create_objects()
+{
+	BC_WindowBase::create_objects();
+	ColorGUI::create_objects();
+	thread->create_objects(this);
+}
+
+void ColorWindow::update_gui(int color, int alpha)
+{
+	lock_window("ColorWindow::update_gui");
+	this->color = color;
+	this->alpha = alpha;
+	change_values();
+	update_display();
+	unlock_window();
+}
+int ColorWindow::handle_new_color(int color, int alpha)
+{
+	lock_window("ColorWindow::handle_new_color");
+	thread->handle_new_color(color, alpha);
+	unlock_window();
+	return 1;
+}
+
+
+ColorGUI::ColorGUI(BC_WindowBase *window)
+{
+	this->window = window;
+	this->title = 0;
+	this->do_alpha = 0;
+	this->ok_cancel = 0;
+	this->color = this->orig_color = BLACK;
+	this->alpha = this->orig_alpha = 255;
+
 	wheel = 0;
 	wheel_value = 0;
-	output = 0;
+	color = 0;
 
 	hue = 0; sat = 0; val = 0;
 	red = 0; grn = 0; blu = 0;
@@ -131,7 +165,7 @@ ColorWindow::ColorWindow(ColorPicker *thread, int x, int y, int w, int h, const
 
 	button_grabbed = 0;
 }
-ColorWindow::~ColorWindow()
+ColorGUI::~ColorGUI()
 {
 	delete hsv_h;  delete hsv_s;  delete hsv_v;
 	delete rgb_r;  delete rgb_g;  delete rgb_b;
@@ -139,135 +173,187 @@ ColorWindow::~ColorWindow()
 	delete aph_a;
 
 	if( button_grabbed ) {
-		ungrab_buttons();
-		ungrab_cursor();
+		window->ungrab_buttons();
+		window->ungrab_cursor();
 	}
 	update_history(rgb888());
 	save_history();
 }
 
-void ColorWindow::create_objects()
+void ColorGUI::add_tool(BC_WindowBase *sub_wdw)
+{
+	window->add_tool(sub_wdw);
+}
+
+void ColorGUI::start_selection(int color, int alpha, int ok_cancel)
+{
+	this->orig_color = color;
+	this->orig_alpha = alpha;
+	this->color = color;
+	this->alpha = alpha;
+	this->do_alpha = alpha < 0 ? 0 : 1;
+	this->ok_cancel = ok_cancel;
+	create_objects();
+}
+
+void ColorGUI::create_objects()
 {
-	int x0 = 10, y0 = 10;
-	lock_window("ColorWindow::create_objects");
+	int xs5 = xS(5), xs10 = xS(10), xs15 = xS(15);
+	int ys10 = yS(10), ys15 = yS(15), ys25 = yS(25), ys40 = yS(40);
+	int x0 = xs10, y0 = ys10;
+	window->lock_window("ColorGUI::create_objects");
 	change_values();
 
 	int x = x0, y = y0;
 	add_tool(wheel = new PaletteWheel(this, x, y));
 	wheel->create_objects();
 
-	x += 180;  add_tool(wheel_value = new PaletteWheelValue(this, x, y));
+	x += xS(180);  add_tool(wheel_value = new PaletteWheelValue(this, x, y));
 	wheel_value->create_objects();
 	x = x0;
-	y += 180;  add_tool(output = new PaletteOutput(this, x, y));
-	output->create_objects();
-	y += output->get_h() + 20;
+	y += yS(180);  add_tool(poutput = new PaletteOutput(this, x, y));
+	poutput->create_objects();
+	y += poutput->get_h() + yS(20);
 
 	load_history();  int x1 = x;
 	add_tool(hex_btn = new PaletteHexButton(this, x1, y));
-	char hex[BCSTRLEN];  sprintf(hex,"%06x",thread->output);
-	x1 += hex_btn->get_w() + 5;
+	char hex[BCSTRLEN];  sprintf(hex,"%06x",color);
+	x1 += hex_btn->get_w() + xs5;
 	add_tool(hex_box = new PaletteHex(this, x1, y, hex));
-	x1 += hex_box->get_w() + 15;
+	x1 += hex_box->get_w() + xs15;
 	add_tool(grab_btn = new PaletteGrabButton(this, x1, y));
-	y += hex_box->get_h() + 15;
-	add_tool(history = new PaletteHistory(this, 10, y));
+	y += hex_box->get_h() + ys15;
+	add_tool(history = new PaletteHistory(this, xs10, y));
 
-	x += 240;
+	x += xS(240);
 	add_tool(new BC_Title(x, y =y0, C_("H:"), SMALLFONT));
-	add_tool(new BC_Title(x, y+=25, C_("S:"), SMALLFONT));
-	add_tool(new BC_Title(x, y+=25, D_("colorpicker_value#V:"), SMALLFONT));
-	add_tool(new BC_Title(x, y+=40, C_("R:"), SMALLFONT));
-	add_tool(new BC_Title(x, y+=25, C_("G:"), SMALLFONT));
-	add_tool(new BC_Title(x, y+=25, C_("B:"), SMALLFONT));
-	add_tool(new BC_Title(x, y+=40, C_("Y:"), SMALLFONT));
-	add_tool(new BC_Title(x, y+=25, C_("U:"), SMALLFONT));
-	add_tool(new BC_Title(x, y+=25, D_("colorpicker_Cr#V:"), SMALLFONT));
-	if( thread->do_alpha )
-		add_tool(new BC_Title(x, y+=40, C_("A:"), SMALLFONT));
-	x += 24;
+	add_tool(new BC_Title(x, y+=ys25, C_("S:"), SMALLFONT));
+	add_tool(new BC_Title(x, y+=ys25, D_("colorpicker_value#V:"), SMALLFONT));
+	add_tool(new BC_Title(x, y+=ys40, C_("R:"), SMALLFONT));
+	add_tool(new BC_Title(x, y+=ys25, C_("G:"), SMALLFONT));
+	add_tool(new BC_Title(x, y+=ys25, C_("B:"), SMALLFONT));
+	add_tool(new BC_Title(x, y+=ys40, C_("Y:"), SMALLFONT));
+	add_tool(new BC_Title(x, y+=ys25, C_("U:"), SMALLFONT));
+	add_tool(new BC_Title(x, y+=ys25, D_("colorpicker_Cr#V:"), SMALLFONT));
+	if( do_alpha )
+		add_tool(new BC_Title(x, y+=ys40, C_("A:"), SMALLFONT));
+	x += xS(24);
 	add_tool(hue = new PaletteHue(this, x, y= y0));
-	add_tool(sat = new PaletteSat(this, x, y+=25));
-	add_tool(val = new PaletteVal(this, x, y+=25));
-	add_tool(red = new PaletteRed(this, x, y+=40));
-	add_tool(grn = new PaletteGrn(this, x, y+=25));
-	add_tool(blu = new PaletteBlu(this, x, y+=25));
-	add_tool(lum = new PaletteLum(this, x, y+=40));
-	add_tool(c_r = new PaletteCr (this, x, y+=25));
-	add_tool(c_b = new PaletteCb (this, x, y+=25));
-	if( thread->do_alpha )
-		add_tool(alpha = new PaletteAlpha(this, x, y+=40));
-
-	x += hue->get_w() + 10;
+	add_tool(sat = new PaletteSat(this, x, y+=ys25));
+	add_tool(val = new PaletteVal(this, x, y+=ys25));
+	add_tool(red = new PaletteRed(this, x, y+=ys40));
+	add_tool(grn = new PaletteGrn(this, x, y+=ys25));
+	add_tool(blu = new PaletteBlu(this, x, y+=ys25));
+	add_tool(lum = new PaletteLum(this, x, y+=ys40));
+	add_tool(c_r = new PaletteCr (this, x, y+=ys25));
+	add_tool(c_b = new PaletteCb (this, x, y+=ys25));
+	if( do_alpha )
+		add_tool(palpha = new PaletteAlpha(this, x, y+=ys40));
+
+	x += hue->get_w() + xs10;
 	hsv_h = new PaletteHSV(this, x,y= y0, hsv.h, 0, 360);
 	hsv_h->create_objects();  hsv_h->set_tooltip(_("Hue"));
-	hsv_s = new PaletteHSV(this, x,y+=25, hsv.s, 0, 1);
+	hsv_s = new PaletteHSV(this, x,y+=ys25, hsv.s, 0, 1);
 	hsv_s->create_objects();  hsv_s->set_tooltip(_("Saturation"));
-	hsv_v = new PaletteHSV(this, x,y+=25, hsv.v, 0, 1);
+	hsv_v = new PaletteHSV(this, x,y+=ys25, hsv.v, 0, 1);
 	hsv_v->create_objects();  hsv_v->set_tooltip(_("Value"));
-	rgb_r = new PaletteRGB(this, x,y+=40, rgb.r, 0, 1);
+	rgb_r = new PaletteRGB(this, x,y+=ys40, rgb.r, 0, 1);
 	rgb_r->create_objects();  rgb_r->set_tooltip(_("Red"));
-	rgb_g = new PaletteRGB(this, x,y+=25, rgb.g, 0, 1);
+	rgb_g = new PaletteRGB(this, x,y+=ys25, rgb.g, 0, 1);
 	rgb_g->create_objects();  rgb_g->set_tooltip(_("Green"));
-	rgb_b = new PaletteRGB(this, x,y+=25, rgb.b, 0, 1);
+	rgb_b = new PaletteRGB(this, x,y+=ys25, rgb.b, 0, 1);
 	rgb_b->create_objects();  rgb_b->set_tooltip(_("Blue"));
-	yuv_y = new PaletteYUV(this, x,y+=40, yuv.y, 0, 1);
+	yuv_y = new PaletteYUV(this, x,y+=ys40, yuv.y, 0, 1);
 	yuv_y->create_objects();  yuv_y->set_tooltip(_("Luminance"));
-	yuv_u = new PaletteYUV(this, x,y+=25, yuv.u, 0, 1);
+	yuv_u = new PaletteYUV(this, x,y+=ys25, yuv.u, 0, 1);
 	yuv_u->create_objects();  yuv_u->set_tooltip(_("Blue Luminance Difference"));
-	yuv_v = new PaletteYUV(this, x,y+=25, yuv.v, 0, 1);
+	yuv_v = new PaletteYUV(this, x,y+=ys25, yuv.v, 0, 1);
 	yuv_v->create_objects();  yuv_v->set_tooltip(_("Red Luminance Difference"));
-	if( thread->do_alpha ) {
-		aph_a = new PaletteAPH(this, x,y+=40, aph, 0, 1);
+	if( do_alpha ) {
+		aph_a = new PaletteAPH(this, x,y+=ys40, aph, 0, 1);
 		aph_a->create_objects();  aph_a->set_tooltip(_("Alpha"));
 	}
-	if( thread->do_okcancel ) {
-		add_tool(new BC_OKButton(this));
-		add_tool(new BC_CancelButton(this));
+	if( ok_cancel ) {
+		add_tool(new ColorOK(this, window));
+		add_tool(new ColorCancel(this, window));
 	}
+	create_objects(this);
 
 	update_display();
 	update_history();
-	show_window(1);
-	unlock_window();
+	window->show_window(1);
+	window->unlock_window();
 }
 
 
-void ColorWindow::change_values()
+void ColorGUI::change_values()
 {
-	float r = ((thread->output>>16) & 0xff) / 255.;
-	float g = ((thread->output>>8)  & 0xff) / 255.;
-	float b = ((thread->output>>0)  & 0xff) / 255.;
+	float r = ((color>>16) & 0xff) / 255.;
+	float g = ((color>>8)  & 0xff) / 255.;
+	float b = ((color>>0)  & 0xff) / 255.;
 	rgb.r = r;  rgb.g = g;  rgb.b = b;
-	aph = (float)thread->alpha / 255;
+	aph = (float)alpha / 255;
 	update_rgb(rgb.r, rgb.g, rgb.b);
 }
 
 
-int ColorWindow::close_event()
+ColorOK::ColorOK(ColorGUI *gui, BC_WindowBase *window)
+ : BC_OKButton(window)
+{
+	this->gui = gui;
+	this->window = window;
+}
+int ColorOK::handle_event()
+{
+	gui->ok_cancel = 0;
+	gui->close_gui();
+	window->sync_display();
+	return 1;
+}
+
+ColorCancel::ColorCancel(ColorGUI *gui, BC_WindowBase *window)
+ : BC_CancelButton(window)
+{
+	this->gui = gui;
+	this->window = window;
+}
+int ColorCancel::handle_event()
+{
+	gui->ok_cancel = 1;
+	gui->close_gui();
+	window->sync_display();
+	return 1;
+}
+
+int ColorGUI::close_gui()
 {
-	set_done(thread->do_okcancel ? 1 : 0);
+	if( button_grabbed ) {
+		button_grabbed = 0;
+		window->ungrab_buttons();
+		window->ungrab_cursor();
+	}
+	window->set_done(ok_cancel ? 1 : 0);
 	return 1;
 }
 
 
-void ColorWindow::update_rgb()
+void ColorGUI::update_rgb()
 {
 	update_rgb(rgb.r, rgb.g, rgb.b);
 	update_display();
 }
-void ColorWindow::update_hsv()
+void ColorGUI::update_hsv()
 {
 	update_hsv(hsv.h, hsv.s, hsv.v);
 	update_display();
 }
-void ColorWindow::update_yuv()
+void ColorGUI::update_yuv()
 {
 	update_yuv(yuv.y, yuv.u, yuv.v);
 	update_display();
 }
 
-void ColorWindow::update_display()
+void ColorGUI::update_display()
 {
 	wheel->draw(wheel->oldhue, wheel->oldsaturation);
 	wheel->oldhue = hsv.h;
@@ -276,8 +362,8 @@ void ColorWindow::update_display()
 	wheel->flash();
 	wheel_value->draw(hsv.h, hsv.s, hsv.v);
 	wheel_value->flash();
-	output->draw();
-	output->flash();
+	poutput->draw();
+	poutput->flash();
 
 	hue->update((int)hsv.h);
 	sat->update(hsv.s);
@@ -302,20 +388,24 @@ void ColorWindow::update_display()
 	yuv_v->update(yuv.v);
 	hex_box->update();
 
-	if( thread->do_alpha )
+	if( do_alpha ) {
+		palpha->update(aph);
 		aph_a->update(aph);
+	}
 }
 
-int ColorWindow::handle_event()
+int ColorGUI::handle_gui()
 {
-	thread->handle_new_color(rgb888(), (int)(255*aph + 0.5));
+	window->unlock_window();
+	handle_new_color(rgb888(), alpha8());
+	window->lock_window("ColorGUI::handle_event");
 	return 1;
 }
 
-void ColorWindow::get_screen_sample()
+void ColorGUI::get_screen_sample()
 {
 	int cx, cy;
-	get_abs_cursor(cx, cy);
+	window->get_abs_cursor(cx, cy);
 	BC_Capture capture_bitmap(1, 1, 0);
 	VFrame vframe(1,1,BC_RGB888);
 	capture_bitmap.capture_frame(&vframe, cx,cy);
@@ -324,16 +414,16 @@ void ColorWindow::get_screen_sample()
 	update_rgb();
 }
 
-int ColorWindow::cursor_motion_event()
+int ColorGUI::cursor_motion_gui()
 {
-	if( button_grabbed && get_button_down() ) {
+	if( button_grabbed && window->get_button_down() ) {
 		get_screen_sample();
 		return 1;
 	}
 	return 0;
 }
 
-int ColorWindow::button_press_event()
+int ColorGUI::button_press_gui()
 {
 	if( button_grabbed ) {
 		get_screen_sample();
@@ -342,38 +432,54 @@ int ColorWindow::button_press_event()
 	return 0;
 }
 
-int ColorWindow::button_release_event()
+int ColorGUI::button_release_gui()
 {
 	if( button_grabbed ) {
-		ungrab_buttons();
-		ungrab_cursor();
+		window->ungrab_buttons();
+		window->ungrab_cursor();
 		grab_btn->enable();
 		button_grabbed = 0;
 		update_history();
-		return handle_event();
+		return handle_gui();
 	}
 	return 1;
 }
 
-void ColorWindow::update_rgb_hex(const char *hex)
+void ColorGUI::update_rgb_hex(const char *hex)
 {
-	int color;
+	unsigned color;
 	if( sscanf(hex,"%x",&color) == 1 ) {
+		if( do_alpha ) {
+			aph = ((color>>24) & 0xff) / 255.;
+			aph_a->update(aph);
+		}
 		float r = ((color>>16) & 0xff) / 255.;
 		float g = ((color>>8)  & 0xff) / 255.;
 		float b = ((color>>0)  & 0xff) / 255.;
 		rgb.r = r;  rgb.g = g;  rgb.b = b;
 		update_rgb();
 		update_history();
-		handle_event();
+		handle_gui();
 	}
 }
 
+void ColorGUI::update_gui(int color, int alpha)
+{
+	printf("ColorGUI::update_gui undefined.\n");
+}
 
-PaletteWheel::PaletteWheel(ColorWindow *window, int x, int y)
- : BC_SubWindow(x, y, 170, 170)
+int ColorGUI::handle_new_color(int color, int alpha)
 {
-	this->window = window;
+	printf("ColorGUI::handle_new_color undefined.\n");
+	return 1;
+}
+
+
+
+PaletteWheel::PaletteWheel(ColorGUI *gui, int x, int y)
+ : BC_SubWindow(x, y, xS(170), yS(170))
+{
+	this->gui = gui;
 	oldhue = 0;
 	oldsaturation = 0;
 	button_down = 0;
@@ -400,15 +506,15 @@ int PaletteWheel::cursor_motion_event()
 	int x1, y1, distance;
 	if( button_down && is_event_win() ) {
 		float h = get_angle(get_w()/2, get_h()/2, get_cursor_x(), get_cursor_y());
-		bclamp(h, 0, 359.999);  window->hsv.h = h;
+		bclamp(h, 0, 359.999);  gui->hsv.h = h;
 		x1 = get_w() / 2 - get_cursor_x();
 		y1 = get_h() / 2 - get_cursor_y();
 		distance = (int)sqrt(x1 * x1 + y1 * y1);
 		float s = (float)distance / (get_w() / 2);
-		bclamp(s, 0, 1);  window->hsv.s = s;
-		window->hsv.v = 1;
-		window->update_hsv();
-		window->handle_event();
+		bclamp(s, 0, 1);  gui->hsv.s = s;
+		gui->hsv.v = 1;
+		gui->update_hsv();
+		gui->handle_gui();
 		return 1;
 	}
 	return 0;
@@ -484,27 +590,15 @@ void PaletteWheel::create_objects()
 			}
 		}
 	}
-//printf("PaletteWheel::create_objects 1\n");
 
 	draw_vframe(&frame,
-		0,
-		0,
-		get_w(),
-		get_h(),
-		0,
-		0,
-		get_w(),
-		get_h(),
-		0);
-//printf("PaletteWheel::create_objects 1\n");
+		0, 0, get_w(), get_h(),
+		0, 0, get_w(), get_h(), 0);
 
-	oldhue = window->hsv.h;
-	oldsaturation = window->hsv.s;
-//printf("PaletteWheel::create_objects 1\n");
+	oldhue = gui->hsv.h;
+	oldsaturation = gui->hsv.s;
 	draw(oldhue, oldsaturation);
-//printf("PaletteWheel::create_objects 1\n");
 	flash();
-//printf("PaletteWheel::create_objects 2\n");
 }
 
 float PaletteWheel::torads(float angle)
@@ -554,7 +648,7 @@ int PaletteWheel::draw(float hue, float saturation)
 
 	set_inverse();
 	set_color(WHITE);
-	draw_circle(x - 5, y - 5, 10, 10);
+	draw_circle(x - xS(5), y - yS(5), xS(10), yS(10));
 	set_opaque();
 	return 0;
 }
@@ -567,10 +661,10 @@ int PaletteWheel::get_angle(float x1, float y1, float x2, float y2)
 	return (int)result;
 }
 
-PaletteWheelValue::PaletteWheelValue(ColorWindow *window, int x, int y)
- : BC_SubWindow(x, y, 40, 170, BLACK)
+PaletteWheelValue::PaletteWheelValue(ColorGUI *gui, int x, int y)
+ : BC_SubWindow(x, y, xS(40), yS(170), BLACK)
 {
-	this->window = window;
+	this->gui = gui;
 	button_down = 0;
 }
 PaletteWheelValue::~PaletteWheelValue()
@@ -581,7 +675,7 @@ PaletteWheelValue::~PaletteWheelValue()
 void PaletteWheelValue::create_objects()
 {
 	frame = new VFrame(get_w(), get_h(), BC_RGB888);
-	draw(window->hsv.h, window->hsv.s, window->hsv.v);
+	draw(gui->hsv.h, gui->hsv.s, gui->hsv.v);
 	flash();
 }
 
@@ -604,9 +698,9 @@ int PaletteWheelValue::cursor_motion_event()
 	if( button_down && is_event_win() ) {
 //printf("PaletteWheelValue::cursor_motion 1\n");
 		float v = 1.0 - (float)(get_cursor_y() - 2) / (get_h() - 4);
-		bclamp(v, 0, 1);  window->hsv.v = v;
-		window->update_hsv();
-		window->handle_event();
+		bclamp(v, 0, 1);  gui->hsv.v = v;
+		gui->update_hsv();
+		gui->handle_gui();
 		return 1;
 	}
 	return 0;
@@ -640,7 +734,6 @@ int PaletteWheelValue::draw(float hue, float saturation, float value)
 			row[j * 3 + 2] = b;
 		}
 	}
-
 	draw_3d_border(0, 0, get_w(), get_h(), 1);
 	draw_vframe(frame, 2, 2, get_w() - 4, get_h() - 4,
 		2, 2, get_w() - 4, get_h() - 4, 0);
@@ -652,10 +745,10 @@ int PaletteWheelValue::draw(float hue, float saturation, float value)
 	return 0;
 }
 
-PaletteOutput::PaletteOutput(ColorWindow *window, int x, int y)
- : BC_SubWindow(x, y, 180, 30, BLACK)
+PaletteOutput::PaletteOutput(ColorGUI *gui, int x, int y)
+ : BC_SubWindow(x, y, xS(180), yS(30), BLACK)
 {
-	this->window = window;
+	this->gui = gui;
 }
 PaletteOutput::~PaletteOutput()
 {
@@ -675,16 +768,16 @@ int PaletteOutput::handle_event()
 
 int PaletteOutput::draw()
 {
-	set_color(window->rgb888());
+	set_color(gui->rgb888());
 	draw_box(2, 2, get_w() - 4, get_h() - 4);
 	draw_3d_border(0, 0, get_w(), get_h(), 1);
 	return 0;
 }
 
-PaletteHue::PaletteHue(ColorWindow *window, int x, int y)
- : BC_ISlider(x, y, 0, 150, 200, 0, 359, (int)(window->hsv.h), 0)
+PaletteHue::PaletteHue(ColorGUI *gui, int x, int y)
+ : BC_ISlider(x, y, 0, xS(150), xS(200), 0, 359, (int)(gui->hsv.h), 0)
 {
-	this->window = window;
+	this->gui = gui;
 }
 PaletteHue::~PaletteHue()
 {
@@ -692,16 +785,16 @@ PaletteHue::~PaletteHue()
 
 int PaletteHue::handle_event()
 {
-	window->hsv.h = get_value();
-	window->update_hsv();
-	window->handle_event();
+	gui->hsv.h = get_value();
+	gui->update_hsv();
+	gui->handle_gui();
 	return 1;
 }
 
-PaletteSat::PaletteSat(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1.0, window->hsv.s, 0)
+PaletteSat::PaletteSat(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1.0, gui->hsv.s, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteSat::~PaletteSat()
@@ -710,17 +803,17 @@ PaletteSat::~PaletteSat()
 
 int PaletteSat::handle_event()
 {
-	window->hsv.s = get_value();
-	window->update_hsv();
-	window->handle_event();
+	gui->hsv.s = get_value();
+	gui->update_hsv();
+	gui->handle_gui();
 	return 1;
 }
 
 
-PaletteVal::PaletteVal(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1.0, window->hsv.v, 0)
+PaletteVal::PaletteVal(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1.0, gui->hsv.v, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteVal::~PaletteVal()
@@ -729,17 +822,17 @@ PaletteVal::~PaletteVal()
 
 int PaletteVal::handle_event()
 {
-	window->hsv.v = get_value();
-	window->update_hsv();
-	window->handle_event();
+	gui->hsv.v = get_value();
+	gui->update_hsv();
+	gui->handle_gui();
 	return 1;
 }
 
 
-PaletteRed::PaletteRed(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1, window->rgb.r, 0)
+PaletteRed::PaletteRed(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1, gui->rgb.r, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteRed::~PaletteRed()
@@ -748,16 +841,16 @@ PaletteRed::~PaletteRed()
 
 int PaletteRed::handle_event()
 {
-	window->rgb.r = get_value();
-	window->update_rgb();
-	window->handle_event();
+	gui->rgb.r = get_value();
+	gui->update_rgb();
+	gui->handle_gui();
 	return 1;
 }
 
-PaletteGrn::PaletteGrn(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1, window->rgb.g, 0)
+PaletteGrn::PaletteGrn(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1, gui->rgb.g, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteGrn::~PaletteGrn()
@@ -766,16 +859,16 @@ PaletteGrn::~PaletteGrn()
 
 int PaletteGrn::handle_event()
 {
-	window->rgb.g = get_value();
-	window->update_rgb();
-	window->handle_event();
+	gui->rgb.g = get_value();
+	gui->update_rgb();
+	gui->handle_gui();
 	return 1;
 }
 
-PaletteBlu::PaletteBlu(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1, window->rgb.b, 0)
+PaletteBlu::PaletteBlu(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1, gui->rgb.b, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteBlu::~PaletteBlu()
@@ -784,16 +877,16 @@ PaletteBlu::~PaletteBlu()
 
 int PaletteBlu::handle_event()
 {
-	window->rgb.b = get_value();
-	window->update_rgb();
-	window->handle_event();
+	gui->rgb.b = get_value();
+	gui->update_rgb();
+	gui->handle_gui();
 	return 1;
 }
 
-PaletteAlpha::PaletteAlpha(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1, window->aph, 0)
+PaletteAlpha::PaletteAlpha(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1, gui->aph, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteAlpha::~PaletteAlpha()
@@ -802,15 +895,17 @@ PaletteAlpha::~PaletteAlpha()
 
 int PaletteAlpha::handle_event()
 {
-	window->aph = get_value();
-	window->handle_event();
+	gui->aph = get_value();
+	gui->aph_a->update(gui->aph);
+	gui->hex_box->update();
+	gui->handle_gui();
 	return 1;
 }
 
-PaletteLum::PaletteLum(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1, window->yuv.y, 0)
+PaletteLum::PaletteLum(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1, gui->yuv.y, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteLum::~PaletteLum()
@@ -819,16 +914,16 @@ PaletteLum::~PaletteLum()
 
 int PaletteLum::handle_event()
 {
-	window->yuv.y = get_value();
-	window->update_yuv();
-	window->handle_event();
+	gui->yuv.y = get_value();
+	gui->update_yuv();
+	gui->handle_gui();
 	return 1;
 }
 
-PaletteCr::PaletteCr(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1, window->yuv.u, 0)
+PaletteCr::PaletteCr(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1, gui->yuv.u, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteCr::~PaletteCr()
@@ -837,16 +932,16 @@ PaletteCr::~PaletteCr()
 
 int PaletteCr::handle_event()
 {
-	window->yuv.u = get_value();
-	window->update_yuv();
-	window->handle_event();
+	gui->yuv.u = get_value();
+	gui->update_yuv();
+	gui->handle_gui();
 	return 1;
 }
 
-PaletteCb::PaletteCb(ColorWindow *window, int x, int y)
- : BC_FSlider(x, y, 0, 150, 200, 0, 1, window->yuv.v, 0)
+PaletteCb::PaletteCb(ColorGUI *gui, int x, int y)
+ : BC_FSlider(x, y, 0, xS(150), xS(200), 0, 1, gui->yuv.v, 0)
 {
-	this->window = window;
+	this->gui = gui;
 	set_precision(0.01);
 }
 PaletteCb::~PaletteCb()
@@ -855,13 +950,13 @@ PaletteCb::~PaletteCb()
 
 int PaletteCb::handle_event()
 {
-	window->yuv.v = get_value();
-	window->update_yuv();
-	window->handle_event();
+	gui->yuv.v = get_value();
+	gui->update_yuv();
+	gui->handle_gui();
 	return 1;
 }
 
-void ColorWindow::update_rgb(float r, float g, float b)
+void ColorGUI::update_rgb(float r, float g, float b)
 {
 	{ float y, u, v;
 	YUV::yuv.rgb_to_yuv_f(r, g, b, y, u, v);
@@ -876,7 +971,7 @@ void ColorWindow::update_rgb(float r, float g, float b)
 	bclamp(v, 0, 1);    hsv.v = v; }
 }
 
-void ColorWindow::update_yuv(float y, float u, float v)
+void ColorGUI::update_yuv(float y, float u, float v)
 {
 	u -= 0.5;  v -= 0.5;
 	{ float r, g, b;
@@ -891,7 +986,7 @@ void ColorWindow::update_yuv(float y, float u, float v)
 	bclamp(v, 0, 1);   hsv.v = v; }
 }
 
-void ColorWindow::update_hsv(float h, float s, float v)
+void ColorGUI::update_hsv(float h, float s, float v)
 {
 	{ float r, g, b;
 	HSV::hsv_to_rgb(r,g,b, h,s,v);
@@ -906,7 +1001,7 @@ void ColorWindow::update_hsv(float h, float s, float v)
 	bclamp(v, 0, 1);   yuv.v = v; }
 }
 
-void ColorWindow::load_history()
+void ColorGUI::load_history()
 {
 	char history_path[BCTEXTLEN];
 	MWindow::create_defaults_path(history_path,PALETTE_DATA);
@@ -936,7 +1031,7 @@ void ColorWindow::load_history()
 		v1 = 0.5f * (v1+.5f);
 	}
 }
-void ColorWindow::save_history()
+void ColorGUI::save_history()
 {
 	char history_path[BCTEXTLEN];
 	MWindow::create_defaults_path(history_path,PALETTE_DATA);
@@ -948,7 +1043,7 @@ void ColorWindow::save_history()
 		fclose(fp);
 	}
 }
-void ColorWindow::update_history(int color)
+void ColorGUI::update_history(int color)
 {
 	int out = palette_history[0];
 	palette_history[0] = color;
@@ -958,23 +1053,29 @@ void ColorWindow::update_history(int color)
 		palette_history[i] = in;
 	}
 }
-void ColorWindow::update_history()
+void ColorGUI::update_history()
 {
 	update_history(rgb888());
 	history->update(0);
 }
-int ColorWindow::rgb888()
+int ColorGUI::rgb888()
 {
 	int r = 255*rgb.r + 0.5, g = 255*rgb.g + 0.5, b = 255*rgb.b + 0.5;
 	bclamp(r, 0, 255);  bclamp(g, 0, 255);  bclamp(b, 0, 255);
 	return (r<<16) | (g<<8) | (b<<0);
 }
+int ColorGUI::alpha8()
+{
+	int a = 255*aph + 0.5;
+	bclamp(a, 0, 255);
+	return a;
+}
 
-PaletteNum::PaletteNum(ColorWindow *window, int x, int y,
+PaletteNum::PaletteNum(ColorGUI *gui, int x, int y,
 	float &output, float min, float max)
- : BC_TumbleTextBox(window, output, min, max, x, y, 64)
+ : BC_TumbleTextBox(gui->window, output, min, max, x, y, xS(64))
 {
-	this->window = window;
+	this->gui = gui;
 	this->output = &output;
 	set_increment(0.01);
 	set_precision(2);
@@ -988,39 +1089,39 @@ PaletteNum::~PaletteNum()
 int PaletteHSV::handle_event()
 {
 	update_output();
-	window->update_hsv();
-	window->handle_event();
+	gui->update_hsv();
+	gui->handle_gui();
 	return 1;
 }
 
 int PaletteRGB::handle_event()
 {
 	update_output();
-	window->update_rgb();
-	window->handle_event();
+	gui->update_rgb();
+	gui->handle_gui();
 	return 1;
 }
 
 int PaletteYUV::handle_event()
 {
 	update_output();
-	window->update_yuv();
-	window->handle_event();
+	gui->update_yuv();
+	gui->handle_gui();
 	return 1;
 }
 
 int PaletteAPH::handle_event()
 {
 	update_output();
-	window->update_display();
-	window->handle_event();
+	gui->update_display();
+	gui->handle_gui();
 	return 1;
 }
 
-PaletteHexButton::PaletteHexButton(ColorWindow *window, int x, int y)
- : BC_GenericButton(x, y, 50, "#")
+PaletteHexButton::PaletteHexButton(ColorGUI *gui, int x, int y)
+ : BC_GenericButton(x, y, xS(50), "#")
 {
-	this->window = window;
+	this->gui = gui;
 	set_tooltip(_("hex rgb color"));
 }
 PaletteHexButton::~PaletteHexButton()
@@ -1028,22 +1129,25 @@ PaletteHexButton::~PaletteHexButton()
 }
 int PaletteHexButton::handle_event()
 {
-	const char *hex = window->hex_box->get_text();
-	window->update_rgb_hex(hex);
+	const char *hex = gui->hex_box->get_text();
+	gui->update_rgb_hex(hex);
 	return 1;
 }
 
-PaletteHex::PaletteHex(ColorWindow *window, int x, int y, const char *hex)
- : BC_TextBox(x, y, 100, 1, hex)
+PaletteHex::PaletteHex(ColorGUI *gui, int x, int y, const char *hex)
+ : BC_TextBox(x, y, xS(100), 1, hex)
 {
-	this->window = window;
+	this->gui = gui;
 }
 PaletteHex::~PaletteHex()
 {
 }
 void PaletteHex::update()
 {
-	char hex[BCSTRLEN];  sprintf(hex,"%06x",window->rgb888());
+	char hex[BCSTRLEN], *cp = hex;
+	if( gui->do_alpha )
+		cp += sprintf(cp,"%02x", gui->alpha8());
+	sprintf(cp,"%06x",gui->rgb888());
 	BC_TextBox::update(hex);
 }
 
@@ -1051,7 +1155,7 @@ int PaletteHex::keypress_event()
 {
 	if( get_keypress() != RETURN )
 		return BC_TextBox::keypress_event();
-	window->update_rgb_hex(get_text());
+	gui->update_rgb_hex(get_text());
 	return 1;
 }
 
@@ -1059,10 +1163,10 @@ int PaletteHex::keypress_event()
 #include "grabpick_hi_png.h"
 #include "grabpick_dn_png.h"
 
-PaletteGrabButton::PaletteGrabButton(ColorWindow *window, int x, int y)
+PaletteGrabButton::PaletteGrabButton(ColorGUI *gui, int x, int y)
  : BC_Button(x, y, vframes)
 {
-	this->window = window;
+	this->gui = gui;
 	vframes[0] = new VFramePng(grabpick_up_png);
 	vframes[1] = new VFramePng(grabpick_hi_png);
 	vframes[2] = new VFramePng(grabpick_dn_png);
@@ -1075,18 +1179,18 @@ PaletteGrabButton::~PaletteGrabButton()
 }
 int PaletteGrabButton::handle_event()
 {
-	if( window->grab_buttons() ) {
-		grab_cursor();
-		window->button_grabbed = 1;
-		button_press_event(); // redraw face HI
+	if( gui->window->grab_buttons() ) {
+		gui->window->grab_cursor();
+		gui->button_grabbed = 1;
+		return BC_Button::button_press_event(); // redraw face HI
 	}
 	return 1;
 }
 
-PaletteHistory::PaletteHistory(ColorWindow *window, int x, int y)
- : BC_SubWindow(x,y, 200, 24)
+PaletteHistory::PaletteHistory(ColorGUI *gui, int x, int y)
+ : BC_SubWindow(x,y, xS(200), yS(24))
 {
-	this->window = window;
+	this->gui = gui;
 	button_down = 0;
 	set_tooltip(_("color history"));
 }
@@ -1097,7 +1201,7 @@ void PaletteHistory::update(int flush)
 {
 	int x1 = 0, x2 = 0;
 	for( int i=0; i<PALLETTE_HISTORY_SIZE; x1=x2 ) {
-		int rgb = window->palette_history[i];
+		int rgb = gui->palette_history[i];
 		x2 = (++i * get_w())/PALLETTE_HISTORY_SIZE;
 		draw_3d_box(x1,0,x2-x1,get_h(),WHITE,BLACK,rgb,LTBLUE,DKBLUE);
 	}
@@ -1116,9 +1220,9 @@ int PaletteHistory::button_release_event()
 	if( !button_down || !is_event_win() ) return 0;
 	cursor_motion_event();
 	if( button_down > 0 ) {
-		window->handle_event();
-		window->update_display();
-		window->update_history();
+		gui->handle_gui();
+		gui->update_display();
+		gui->update_history();
 	}
 	button_down =  0;
 	return 1;
@@ -1129,13 +1233,13 @@ int PaletteHistory::cursor_motion_event()
 	hide_tooltip();
 	int pick = (PALLETTE_HISTORY_SIZE * get_cursor_x()) / get_w();
 	bclamp(pick, 0, PALLETTE_HISTORY_SIZE-1);
-	int color = window->palette_history[pick];
+	int color = gui->palette_history[pick];
 	float r = ((color>>16) & 0xff) / 255.;
 	float g = ((color>>8)  & 0xff) / 255.;
 	float b = ((color>>0)  & 0xff) / 255.;
-	if( window->rgb.r != r || window->rgb.g != g || window->rgb.b != b ) {
-		window->rgb.r = r;  window->rgb.g = g;  window->rgb.b = b;
-		window->update_rgb();
+	if( gui->rgb.r != r || gui->rgb.g != g || gui->rgb.b != b ) {
+		gui->rgb.r = r;  gui->rgb.g = g;  gui->rgb.b = b;
+		gui->update_rgb();
 	}
 	return 1;
 }
@@ -1157,3 +1261,292 @@ int PaletteHistory::repeat_event(int64_t duration)
 	return result;
 }
 
+
+ColorButton::ColorButton(const char *title,
+	int x, int y, int w, int h,
+	int color, int alpha, int ok_cancel)
+ : BC_Button(x, y, w, vframes)
+{
+	this->title = title;
+	this->color = this->orig_color = color;
+	this->alpha = this->orig_alpha = alpha;
+	this->ok_cancel = ok_cancel;
+
+	for( int i=0; i<3; ++i ) {
+		vframes[i] = new VFrame(w, h, BC_RGBA8888);
+		vframes[i]->clear_frame();
+	}
+	color_picker = 0;
+	color_thread = 0;
+}
+
+ColorButton::~ColorButton()
+{
+	delete color_thread;
+	delete color_picker;
+	for( int i=0; i<3; ++i )
+		delete vframes[i];
+}
+
+void ColorButton::set_color(int color)
+{
+	printf("ColorButton::set_color %06x\n", color);
+}
+void ColorButton::handle_done_event(int result)
+{
+	color_thread->stop();
+}
+int ColorButton::handle_new_color(int color, int alpha)
+{
+	printf("ColorButton::handle_new_color %02x%06x\n", alpha, color);
+	return 1;
+}
+
+int ColorButton::handle_event()
+{
+	unlock_window();
+	delete color_picker;
+	color_picker = new ColorButtonPicker(this);
+	orig_color = color;  orig_alpha = alpha;
+	color_picker->start_window(color, alpha, ok_cancel);
+	if( !color_thread )
+		color_thread = new ColorButtonThread(this);
+	color_thread->start();
+	lock_window("ColorButtonButton::start_color_thread");
+	return 1;
+}
+
+void ColorButton::close_picker()
+{
+	if( color_thread ) color_thread->stop();
+	delete color_thread;  color_thread = 0;
+	delete color_picker;  color_picker = 0;
+}
+
+void ColorButton::update_gui(int color, int alpha)
+{
+	if( color_picker )
+		color_picker->update_gui(color, alpha);
+	update_gui(color | (~alpha<<24));
+}
+
+void ColorButton::update_gui(int color)
+{
+	set_color(color);
+	draw_face();
+}
+
+ColorButtonPicker::ColorButtonPicker(ColorButton *color_button)
+ : ColorPicker(color_button->alpha >= 0 ? 1 : 0, color_button->title)
+{
+	this->color_button = color_button;
+}
+
+ColorButtonPicker::~ColorButtonPicker()
+{
+}
+
+void ColorButtonPicker::handle_done_event(int result)
+{
+	color_button->color_thread->stop();
+	color_button->handle_done_event(result);
+}
+
+void ColorButtonPicker::update(int color, int alpha)
+{
+	color_button->color = color;
+	color_button->alpha = alpha;
+	color_button->color_thread->update_lock->unlock();
+}
+
+int ColorButtonPicker::handle_new_color(int color, int alpha)
+{
+	color_button->lock_window("ColorButtonPicker::handle_new_color");
+	color_button->update_gui(color, alpha);
+	color_button->unlock_window();
+	return color_button->handle_new_color(color, alpha);
+}
+
+void ColorButtonPicker::update_gui()
+{
+	color_button->lock_window("ColorButtonPicker::update_gui");
+	color_button->update_gui(color_button->color, color_button->alpha);
+	color_button->unlock_window();
+}
+
+void ColorButtonPicker::update_gui(int color, int alpha)
+{
+	ColorPicker::update_gui(color, alpha);
+	color_button->handle_new_color(color, alpha);
+}
+
+ColorButtonThread::ColorButtonThread(ColorButton *color_button)
+ : Thread(1, 0, 0)
+{
+	this->color_button = color_button;
+	this->update_lock = new Condition(0,"ColorButtonThread::update_lock");
+	done = 1;
+}
+
+ColorButtonThread::~ColorButtonThread()
+{
+	stop();
+	delete update_lock;
+}
+
+void ColorButtonThread::start()
+{
+	if( done ) {
+		done = 0;
+		Thread::start();
+	}
+}
+
+void ColorButtonThread::stop()
+{
+	if( !done ) {
+		done = 1;
+		update_lock->unlock();
+		join();
+	}
+}
+
+void ColorButtonThread::run()
+{
+	ColorButtonPicker *color_picker = color_button->color_picker;
+	color_picker->update_gui();
+	while( !done ) {
+		update_lock->lock("ColorButtonThread::run");
+		if( done ) break;
+		color_picker->update_gui();
+	}
+}
+
+
+ColorBoxButton::ColorBoxButton(const char *title,
+		int x, int y, int w, int h,
+		int color, int alpha, int ok_cancel)
+ : ColorButton(title, x, y, w, h, color, alpha, ok_cancel)
+{
+}
+ColorBoxButton::~ColorBoxButton()
+{
+}
+
+int ColorBoxButton::handle_new_color(int color, int alpha)
+{
+	return ColorButton::handle_new_color(color, alpha);
+}
+void ColorBoxButton::handle_done_event(int result)
+{
+	ColorButton::handle_done_event(result);
+}
+void ColorBoxButton::create_objects()
+{
+	update_gui(color, alpha);
+}
+
+void ColorBoxButton::set_color(int color)
+{
+	this->color = (color & 0xffffff);
+	this->alpha = (~color>>24) & 0xff;
+	int r = (color>>16) & 0xff;
+	int g = (color>> 8) & 0xff;
+	int b = (color>> 0) & 0xff;
+	int color_model = vframes[0]->get_color_model();
+	int bpp = BC_CModels::calculate_pixelsize(color_model);
+	for( int i=0; i<3; ++i ) {
+		VFrame *vframe = vframes[i];
+		int ww = vframe->get_w(), hh = vframe->get_h();
+		uint8_t **rows = vframe->get_rows();
+		int rr = r, gg = g, bb = b;
+		switch( i ) {
+		case BUTTON_UP:
+			break;
+		case BUTTON_UPHI:
+			if( (rr+=48) > 0xff ) rr = 0xff;
+			if( (gg+=48) > 0xff ) gg = 0xff;
+			if( (bb+=48) > 0xff ) bb = 0xff;
+			break;
+		case BUTTON_DOWNHI:
+			if( (rr-=48) < 0x00 ) rr = 0x00;
+			if( (gg-=48) < 0x00 ) gg = 0x00;
+			if( (bb-=48) < 0x00 ) bb = 0x00;
+			break;
+		}
+		for( int y=0; y<hh; ++y ) {
+			uint8_t *rp = rows[y];
+			for( int x=0; x<ww; ++x ) {
+				rp[0] = rr;  rp[1] = gg;  rp[2] = bb;
+				if( bpp > 3 ) rp[3] = 0xff;
+				rp += bpp;
+			}
+		}
+	}
+	set_images(vframes);
+}
+
+ColorCircleButton::ColorCircleButton(const char *title,
+		int x, int y, int w, int h,
+		int color, int alpha, int ok_cancel)
+ : ColorButton(title, x, y, w, h, color, alpha, ok_cancel)
+{
+}
+ColorCircleButton::~ColorCircleButton()
+{
+}
+int ColorCircleButton::handle_new_color(int color, int alpha)
+{
+	return ColorButton::handle_new_color(color, alpha);
+}
+void ColorCircleButton::handle_done_event(int result)
+{
+	ColorButton::handle_done_event(result);
+}
+void ColorCircleButton::create_objects()
+{
+	update_gui(color, alpha);
+}
+
+void ColorCircleButton::set_color(int color)
+{
+	this->color = (color & 0xffffff);
+	this->alpha = (~color>>24) & 0xff;
+	int r = (color>>16) & 0xff;
+	int g = (color>>8) & 0xff;
+	int b = (color>>0) & 0xff;
+	for( int i=0; i<3; ++i ) {
+		VFrame *vframe = vframes[i];
+		int ww = vframe->get_w(), hh = vframe->get_h();
+		int cx = (ww+1)/2, cy = hh/2;
+		double cc = (cx*cx + cy*cy) / 4.;
+		uint8_t *bp = vframe->get_data(), *dp = bp;
+		uint8_t *ep = dp + vframe->get_data_size();
+		int rr = r, gg = g, bb = b;
+		int bpl = vframe->get_bytes_per_line();
+		switch( i ) {
+		case BUTTON_UP:
+			break;
+		case BUTTON_UPHI:
+			if( (rr+=48) > 0xff ) rr = 0xff;
+			if( (gg+=48) > 0xff ) gg = 0xff;
+			if( (bb+=48) > 0xff ) bb = 0xff;
+			break;
+		case BUTTON_DOWNHI:
+			if( (rr-=48) < 0x00 ) rr = 0x00;
+			if( (gg-=48) < 0x00 ) gg = 0x00;
+			if( (bb-=48) < 0x00 ) bb = 0x00;
+			break;
+		}
+		while( dp < ep ) {
+			int yy = (dp-bp) / bpl, xx = ((dp-bp) % bpl) >> 2;
+			int dy = cy - yy, dx = cx - xx;
+			double s = dx*dx + dy*dy - cc;
+			double ss = s < 0 ? 1 : s >= cc ? 0 : 1 - s/cc;
+			int aa = ss * 0xff;
+			*dp++ = rr; *dp++ = gg; *dp++ = bb; *dp++ = aa;
+		}
+	}
+	set_images(vframes);
+}
+