diff --git a/libmui/mui/mui.c b/libmui/mui/mui.c
index 136aa33..42c6de5 100644
--- a/libmui/mui/mui.c
+++ b/libmui/mui/mui.c
@@ -8,9 +8,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
-#include <unistd.h>
 
 #include "mui_priv.h"
 
@@ -220,7 +218,7 @@ mui_timer_register(
 		void *param,
 		uint32_t delay)
 {
-	if (ui->timer.map == (uint64_t)-1) {
+	if (ui->timer.map == (uint64_t)-1L) {
 		fprintf(stderr, "%s ran out of timers\n", __func__);
 		return -1;
 	}
@@ -241,7 +239,7 @@ mui_timer_reset(
 {
 	if (id >= MUI_TIMER_COUNT)
 		return 0;
-	if (!(ui->timer.map & (1 << id)) ||
+	if (!(ui->timer.map & (1L << id)) ||
 				ui->timer.timers[id].cb != cb) {
 					printf("%s: timer %d not active\n", __func__, id);
 		return 0;
@@ -252,7 +250,7 @@ mui_timer_reset(
 		res = ui->timer.timers[id].when - now;
 	ui->timer.timers[id].when = now + delay;
 	if (delay == 0) {
-		ui->timer.map &= ~(1 << id);
+		ui->timer.map &= ~(1L << id);
 		printf("%s: timer %d removed\n", __func__, id);
 	}
 
diff --git a/libmui/mui/mui.h b/libmui/mui/mui.h
index 56b6047..cfbb27b 100644
--- a/libmui/mui/mui.h
+++ b/libmui/mui/mui.h
@@ -327,7 +327,10 @@ typedef struct mui_drawable_t {
 	union pixman_image *		pixman;	// (try) not to use these directly
 	unsigned int				pixman_clip_dirty: 1,
 								cg_clip_dirty : 1,
-								dispose_pixels : 1;
+								dispose_pixels : 1,
+								dispose_drawable : 1;
+	// not used internally, but useful for the application
+	unsigned int				texture_id;
 	// (default) position in destination when drawing
 	c2_pt_t 					origin;
 	mui_clip_stack_t			clip;
@@ -339,6 +342,25 @@ DECLARE_C_ARRAY(mui_drawable_t *, mui_drawable_array, 4);
 /*
  * Drawable related
  */
+/* create a new mui_draware of size w x h, bpp depth.
+ * Optionally allocate the pixels if pixels is NULL. Allocated pixels
+ * are not cleared. */
+mui_drawable_t *
+mui_drawable_new(
+		c2_pt_t size,
+		uint8_t bpp,
+		void * pixels, // if NULL, will allocate
+		uint32_t row_bytes);
+/* initialize a mui_drawable_t structure with the given parameters
+ * note it is not assumed 'd' contains anything valid, it will be
+ * overwritten */
+mui_drawable_t *
+mui_drawable_init(
+		mui_drawable_t * d,
+		c2_pt_t size,
+		uint8_t bpp,
+		void * pixels, // if NULL, will allocate
+		uint32_t row_bytes);
 void
 mui_drawable_dispose(
 		mui_drawable_t * dr);
@@ -684,20 +706,6 @@ mui_menubar_highlight(
 		mui_window_t *	win,
 		bool 			ignored );
 
-enum mui_control_type_e {
-	MUI_CONTROL_NONE = 0,
-	MUI_CONTROL_BUTTON,
-	MUI_CONTROL_GROUP,
-	MUI_CONTROL_SEPARATOR,
-	MUI_CONTROL_TEXTBOX,
-	MUI_CONTROL_GROUPBOX,
-	MUI_CONTROL_LISTBOX,
-	MUI_CONTROL_SCROLLBAR,
-	MUI_CONTROL_MENUTITLE,
-	MUI_CONTROL_MENUITEM,
-	MUI_CONTROL_SUBMENUITEM,
-	MUI_CONTROL_POPUP,
-};
 
 enum mui_button_style_e {
 	MUI_BUTTON_STYLE_NORMAL = 0,
@@ -750,10 +758,16 @@ typedef struct mui_control_t {
 /*
  * Control related
  */
+/*
+ * This is the 'low level' control creation function, you can pass the
+ * 'cdef' function pointer and a control 'type' that will be passed to it,
+ * so you can implement variants of controls.
+ * The instance_size is the size of the extended control record, if any.
+ */
 mui_control_t *
 mui_control_new(
 		mui_window_t * 	win,
-		uint8_t 		type,
+		uint32_t 		type,	// specific to the CDEF
 		mui_cdef_p 		cdef,
 		c2_rect_t 		frame,
 		const char *	title,
@@ -812,11 +826,23 @@ mui_control_set_title(
 		mui_control_t * c,
 		const char * 	text );
 
+/* Drawable control is just an offscreen buffer (icon, pixel view) */
+mui_control_t *
+mui_drawable_control_new(
+		mui_window_t * 	win,
+		c2_rect_t 		frame,
+		mui_drawable_t * dr,
+		mui_drawable_t * mask,
+		uint16_t 		flags);
+mui_drawable_t *
+mui_drawable_control_get_drawable(
+		mui_control_t * c);
+
 mui_control_t *
 mui_button_new(
 		mui_window_t * 	win,
 		c2_rect_t 		frame,
-		uint8_t			style,
+		uint8_t			style,	// one of mui_button_style_e
 		const char *	title,
 		uint32_t 		uid );
 /*
diff --git a/libmui/mui/mui_cdef_boxes.c b/libmui/mui/mui_cdef_boxes.c
index bb3e723..22c64ca 100644
--- a/libmui/mui/mui_cdef_boxes.c
+++ b/libmui/mui/mui_cdef_boxes.c
@@ -8,13 +8,17 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
 
 #include "mui.h"
 #include "cg.h"
 
+enum {
+	MUI_CONTROL_GROUP				= FCC('g','r','o','p'),
+	MUI_CONTROL_SEPARATOR			= FCC('s','e','p','r'),
+	MUI_CONTROL_TEXTBOX				= FCC('t','b','o','x'),
+	MUI_CONTROL_GROUPBOX			= FCC('g','b','o','x'),
+};
+
 typedef struct mui_textbox_control_t {
 	mui_control_t 		control;
 	mui_font_t *		font;
@@ -156,7 +160,7 @@ mui_textbox_new(
 	mui_control_t * c = mui_control_new(
 				win, MUI_CONTROL_TEXTBOX, mui_cdef_boxes,
 				frame,  text, 0, sizeof(mui_textbox_control_t));
-	mui_textbox_control_t *tb = (mui_textbox_control_t *)c; 
+	mui_textbox_control_t *tb = (mui_textbox_control_t *)c;
 	tb->font = mui_font_find(win->ui, font ? font : "main");
 	tb->flags = flags;
 	return c;
@@ -182,7 +186,7 @@ mui_groupbox_new(
 	mui_control_t * c = mui_control_new(
 				win, MUI_CONTROL_GROUPBOX, mui_cdef_boxes,
 				frame,  title, 0, sizeof(mui_textbox_control_t));
-	mui_textbox_control_t *tb = (mui_textbox_control_t *)c; 
+	mui_textbox_control_t *tb = (mui_textbox_control_t *)c;
 	tb->flags = flags;
 	return c;
 }
diff --git a/libmui/mui/mui_cdef_buttons.c b/libmui/mui/mui_cdef_buttons.c
index 07b448b..e447217 100644
--- a/libmui/mui/mui_cdef_buttons.c
+++ b/libmui/mui/mui_cdef_buttons.c
@@ -8,13 +8,14 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
 
 #include "mui.h"
 #include "cg.h"
 
+enum {
+	MUI_CONTROL_BUTTON				= FCC('b','u','t','n'),
+
+};
 
 extern const mui_control_color_t mui_control_color[MUI_CONTROL_STATE_COUNT];
 
diff --git a/libmui/mui/mui_cdef_drawable.c b/libmui/mui/mui_cdef_drawable.c
new file mode 100644
index 0000000..527c7fd
--- /dev/null
+++ b/libmui/mui/mui_cdef_drawable.c
@@ -0,0 +1,116 @@
+/*
+ * mui_cdef_drawable.c
+ *
+ * Copyright (C) 2023 Michel Pollet <buserror@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "mui.h"
+
+enum {
+	MUI_CONTROL_DRAWABLE 		= FCC('D','R','A','W'),
+};
+
+typedef struct mui_drawable_control_t {
+	mui_control_t 		control;
+	uint16_t			flags;
+	mui_drawable_t *	mask;
+	mui_drawable_array_t drawables;
+} mui_drawable_control_t;
+
+IMPLEMENT_C_ARRAY(mui_drawable_array);
+
+static void
+mui_drawable_draw(
+		mui_window_t * 	win,
+		mui_control_t * c,
+		mui_drawable_t *dr )
+{
+	c2_rect_t f = c->frame;
+	c2_rect_offset(&f, win->content.l, win->content.t);
+
+	mui_drawable_clip_push(dr, &f);
+	mui_drawable_control_t *dc = (mui_drawable_control_t *)c;
+
+	for (int i = 0; i < (int)dc->drawables.count; i++) {
+		mui_drawable_t *d = dc->drawables.e[i];
+		if (!d->pix.pixels)
+			continue;
+		c2_rect_t src = C2_RECT_WH(0, 0,
+							d->pix.size.x,
+							d->pix.size.y);
+		c2_rect_offset(&src, d->origin.x, d->origin.y);
+
+		pixman_image_composite32(PIXMAN_OP_OVER,
+				mui_drawable_get_pixman(d),
+				mui_drawable_get_pixman(dc->mask),
+				mui_drawable_get_pixman(dr),
+				src.l, src.t, 0, 0,
+				f.l, f.t,
+				c2_rect_width(&src), c2_rect_height(&src));
+	}
+	mui_drawable_clip_pop(dr);
+}
+
+static bool
+mui_cdef_drawable(
+		struct mui_control_t * 	c,
+		uint8_t 				what,
+		void * 					param)
+{
+	switch (what) {
+		case MUI_CDEF_DRAW: {
+			mui_drawable_t * dr = param;
+			switch (c->type) {
+				case MUI_CONTROL_DRAWABLE:
+					mui_drawable_draw(c->win, c, dr);
+					break;
+			}
+		}	break;
+		case MUI_CDEF_DISPOSE: {
+			switch (c->type) {
+				case MUI_CONTROL_DRAWABLE: {
+					mui_drawable_control_t *dc = (mui_drawable_control_t *)c;
+					for (int i = 0; i < (int)dc->drawables.count; i++) {
+						mui_drawable_t *d = dc->drawables.e[i];
+						mui_drawable_dispose(d);
+					}
+					mui_drawable_dispose(dc->mask);
+					mui_drawable_array_free(&dc->drawables);
+				}	break;
+			}
+		}	break;
+	}
+	return false;
+}
+
+mui_control_t *
+mui_drawable_control_new(
+		mui_window_t * 	win,
+		c2_rect_t 		frame,
+		mui_drawable_t * dr,
+		mui_drawable_t * mask,
+		uint16_t 		flags)
+{
+	mui_drawable_control_t *dc = (mui_drawable_control_t *)mui_control_new(
+				win, MUI_CONTROL_DRAWABLE, mui_cdef_drawable,
+				frame,  NULL, 0, sizeof(mui_drawable_control_t));
+	dc->mask = mask;
+	dc->flags = flags;
+	if (dr)
+		mui_drawable_array_add(&dc->drawables, dr);
+	return &dc->control;
+}
+
+mui_drawable_t *
+mui_drawable_control_get_drawable(
+		mui_control_t * c)
+{
+	mui_drawable_control_t *dc = (mui_drawable_control_t *)c;
+	return dc->drawables.count ? dc->drawables.e[0] : NULL;
+}
+
diff --git a/libmui/mui/mui_cdef_listbox.c b/libmui/mui/mui_cdef_listbox.c
index e5c79d7..0352c4e 100644
--- a/libmui/mui/mui_cdef_listbox.c
+++ b/libmui/mui/mui_cdef_listbox.c
@@ -8,13 +8,15 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
-#include <unistd.h>
 
 #include "mui.h"
 #include "cg.h"
 
+enum {
+	MUI_CONTROL_LISTBOX				= FCC('l','b','o','x'),
+};
+
 typedef struct mui_listbox_control_t {
 	mui_control_t 		control;
 	struct mui_control_t * scrollbar;
diff --git a/libmui/mui/mui_cdef_scrollbar.c b/libmui/mui/mui_cdef_scrollbar.c
index 10d412a..58b301c 100644
--- a/libmui/mui/mui_cdef_scrollbar.c
+++ b/libmui/mui/mui_cdef_scrollbar.c
@@ -8,13 +8,13 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
 
 #include "mui.h"
 #include "cg.h"
 
+enum {
+	MUI_CONTROL_SCROLLBAR			= FCC('s','b','a','r'),
+};
 
 extern const mui_control_color_t mui_control_color[MUI_CONTROL_STATE_COUNT];
 
diff --git a/libmui/mui/mui_controls.c b/libmui/mui/mui_controls.c
index e7ec48d..bd57f2f 100644
--- a/libmui/mui/mui_controls.c
+++ b/libmui/mui/mui_controls.c
@@ -8,9 +8,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
 
 #include "mui.h"
 
@@ -53,7 +50,7 @@ mui_control_draw(
 mui_control_t *
 mui_control_new(
 		mui_window_t * 	win,
-		uint8_t 		type,
+		uint32_t 		type,
 		mui_cdef_p 		cdef,
 		c2_rect_t 		frame,
 		const char *	title,
@@ -198,7 +195,7 @@ mui_control_event(
 		return res;
 	switch (ev->type) {
 		case MUI_EVENT_KEYDOWN:
-			if (c->state != MUI_CONTROL_STATE_DISABLED && 
+			if (c->state != MUI_CONTROL_STATE_DISABLED &&
 					mui_event_match_key(ev, c->key_equ)) {
 				mui_control_set_state(c, MUI_CONTROL_STATE_CLICKED);
 				mui_timer_register(
diff --git a/libmui/mui/mui_drawable.c b/libmui/mui/mui_drawable.c
index 0ce4e8e..17d3689 100644
--- a/libmui/mui/mui_drawable.c
+++ b/libmui/mui/mui_drawable.c
@@ -8,8 +8,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
 
 #include <pixman.h>
 #include "mui.h"
@@ -18,6 +16,43 @@
 
 IMPLEMENT_C_ARRAY(mui_clip_stack);
 
+// create a new mui_draware of size w x h, bpp depth.
+// optionally allocate the pixels if pixels is NULL
+mui_drawable_t *
+mui_drawable_init(
+		mui_drawable_t * d,
+		c2_pt_t size,
+		uint8_t bpp,
+		void * pixels, // if NULL, will allocate
+		uint32_t row_bytes)
+{
+	static const mui_drawable_t zero = {};
+	*d = zero;
+	d->pix.bpp = bpp;
+	d->pix.size = size;
+	d->pix.row_bytes = row_bytes == 0 ?
+				(uint32_t)((size.x * (bpp / 8)) + 3) & ~3 :
+						row_bytes;
+	d->pix.pixels = pixels ? pixels : malloc(d->pix.row_bytes * size.y);
+	d->dispose_pixels = pixels == NULL;
+	return d;
+}
+
+// create a new mui_draware of size w x h, bpp depth.
+// optionally allocate the pixels if pixels is NULL
+mui_drawable_t *
+mui_drawable_new(
+		c2_pt_t size,
+		uint8_t bpp,
+		void * pixels, // if NULL, will allocate
+		uint32_t row_bytes)
+{
+	mui_drawable_t *d = malloc(sizeof(mui_drawable_t));
+	mui_drawable_init(d, size, bpp, pixels, row_bytes);
+	d->dispose_drawable = 1;
+	return d;
+}
+
 void
 mui_drawable_clear(
 		mui_drawable_t * dr)
@@ -49,7 +84,8 @@ mui_drawable_dispose(
 		return;
 	mui_drawable_clear(dr);
 	mui_clip_stack_free(&dr->clip);
-//	free(dr);
+	if (dr->dispose_drawable)
+		free(dr);
 }
 
 static struct cg_ctx_t *
diff --git a/libmui/mui/mui_font.c b/libmui/mui/mui_font.c
index 383c144..d2f61a1 100644
--- a/libmui/mui/mui_font.c
+++ b/libmui/mui/mui_font.c
@@ -8,9 +8,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
-#include <unistd.h>
 
 #define STB_TRUETYPE_IMPLEMENTATION
 #define STB_TTC_IMPLEMENTATION
diff --git a/libmui/mui/mui_menus.c b/libmui/mui/mui_menus.c
index 6e20639..fe7f5d3 100644
--- a/libmui/mui/mui_menus.c
+++ b/libmui/mui/mui_menus.c
@@ -8,9 +8,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
 
 #include "mui.h"
 #include "mui_priv.h"
@@ -20,6 +17,13 @@
 #define D(_x) //_x
 #endif
 
+enum {
+	MUI_CONTROL_MENUTITLE			= FCC('m','t','i','t'),
+	MUI_CONTROL_MENUITEM			= FCC('m','i','t','m'),
+	MUI_CONTROL_SUBMENUITEM			= FCC('s','m','i','t'),
+	MUI_CONTROL_POPUP				= FCC('p','o','p','u'),
+};
+
 /* These are *window action* -- parameter 'target' is a mui_menu_t* */
 enum mui_menu_action_e {
 	MUI_MENU_ACTION_NONE 			= 0,
diff --git a/libmui/mui/mui_menus_draw.c b/libmui/mui/mui_menus_draw.c
index 8d7e1ad..3b90b58 100644
--- a/libmui/mui/mui_menus_draw.c
+++ b/libmui/mui/mui_menus_draw.c
@@ -8,9 +8,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
 
 #include "mui.h"
 #include "mui_priv.h"
diff --git a/libmui/mui/mui_stdfile.c b/libmui/mui/mui_stdfile.c
index 3b004b7..55c6994 100644
--- a/libmui/mui/mui_stdfile.c
+++ b/libmui/mui/mui_stdfile.c
@@ -9,13 +9,9 @@
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <ctype.h>
-#include <unistd.h>
 #include <errno.h>
 #include <sys/stat.h>
-#include <glob.h>
-#include <libgen.h>
 
 #ifdef __linux__
 #define MUI_HAS_REGEXP
@@ -26,7 +22,7 @@
 #include "mui.h"
 #include "c2_geometry.h"
 
-#include <sys/types.h>
+#include <libgen.h>
 #include <dirent.h>
 
 DECLARE_C_ARRAY(char*, string_array, 2);
diff --git a/libmui/mui/mui_window.c b/libmui/mui/mui_window.c
index b0115e9..9e57934 100644
--- a/libmui/mui/mui_window.c
+++ b/libmui/mui/mui_window.c
@@ -8,10 +8,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
-#include <execinfo.h>
 
 #include "mui_priv.h"
 #include "cg.h"
diff --git a/libmui/tests/ui_tests.c b/libmui/tests/ui_tests.c
index b621a93..2b5caee 100644
--- a/libmui/tests/ui_tests.c
+++ b/libmui/tests/ui_tests.c
@@ -172,10 +172,10 @@ _init(
 								m_cpu_menu);
 
 //	mii_mui_configure_slots(g->ui, &g_machine_conf);
-	mii_mui_load_binary(g->ui, &g_loadbin_conf);
+//	mii_mui_load_binary(g->ui, &g_loadbin_conf);
 //	mii_mui_load_1mbrom(g->ui, &g_machine_conf.slot[0].conf.rom1mb);
 //	mii_mui_load_2dsk(g->ui, &g_machine_conf.slot[0].conf.disk2, MII_2DSK_DISKII);
-//	mii_mui_about(g->ui);
+	mii_mui_about(g->ui);
 #if 0
 	mui_alert(ui, C2_PT(0,0),
 					"Testing one Two",
@@ -183,7 +183,7 @@ _init(
 					"This operation cannot be cancelled.",
 					MUI_ALERT_WARN);
 #endif
-#if 0
+#if 1
 	mui_stdfile_get(ui,
 				C2_PT(0, 0),
 				"Select image for SmartPort card",
@@ -233,4 +233,4 @@ mui_plug_t mui_plug = {
 	.dispose = _dispose,
 	.draw = _draw,
 	.event = _event,
-};
+};
\ No newline at end of file
diff --git a/ui_gl/mii_emu_gl.c b/ui_gl/mii_emu_gl.c
index cdb0b22..be426af 100644
--- a/ui_gl/mii_emu_gl.c
+++ b/ui_gl/mii_emu_gl.c
@@ -679,7 +679,7 @@ mii_x11_prepare_textures(
 
 	glTexImage2D(GL_TEXTURE_2D, 0, 4,
 			MII_VRAM_WIDTH,
-			MII_VRAM_HEIGHT, 0, GL_RGBA,
+			MII_VRAM_HEIGHT, 0, GL_BGRA,	// note BGRA here, not RGBA
 	        GL_UNSIGNED_BYTE,
 	        mii->video.pixels);
 	// bind the mui texture using the GL_ARB_texture_rectangle as well
@@ -1000,7 +1000,7 @@ main(
 					glPixelStorei(GL_UNPACK_ROW_LENGTH, ui->dr.pix.row_bytes / 4);
 					glTexSubImage2D(GL_TEXTURE_2D, 0, r.l, r.t,
 							c2_rect_width(&r), c2_rect_height(&r),
-							GL_RGBA, GL_UNSIGNED_BYTE,
+							GL_BGRA, GL_UNSIGNED_BYTE,
 							ui->dr.pix.pixels + (r.t * ui->dr.pix.row_bytes) + (r.l * 4));
 				}
 			}
diff --git a/ui_gl/mii_mui_about.c b/ui_gl/mii_mui_about.c
index 06d8cce..19baf2e 100644
--- a/ui_gl/mii_mui_about.c
+++ b/ui_gl/mii_mui_about.c
@@ -1,7 +1,7 @@
 /*
  * mui_mui_about.c
  *
- * Copyright (C) 2023 Michel Pollet <buserror@gmail.com>
+ * Copyright (C) 2024 Michel Pollet <buserror@gmail.com>
  *
  * SPDX-License-Identifier: MIT
  */
@@ -25,96 +25,16 @@ enum {
 struct mui_drawable_control_t;
 typedef struct mii_mui_about_t {
 	mui_window_t			win;
-	struct mui_drawable_control_t * text;
+	mui_control_t * 		text;
 	uint8_t 				timer_id;
 	bool					terminate;
 } mii_mui_about_t;
 
-//DECLARE_C_ARRAY(mui_drawable_t *, mui_drawable_array, 4);
-
-typedef struct mui_drawable_control_t {
-	mui_control_t 		control;
-	uint16_t			flags;
-	mui_drawable_t *	mask;
-	mui_drawable_array_t drawables;
-} mui_drawable_control_t;
-
-IMPLEMENT_C_ARRAY(mui_drawable_array);
-
-static void
-mui_drawable_draw(
-		mui_window_t * 	win,
-		mui_control_t * c,
-		mui_drawable_t *dr )
-{
-	c2_rect_t f = c->frame;
-	c2_rect_offset(&f, win->content.l, win->content.t);
-
-	mui_drawable_clip_push(dr, &f);
-	mui_drawable_control_t *dc = (mui_drawable_control_t *)c;
-
-	for (int i = 0; i < (int)dc->drawables.count; i++) {
-		mui_drawable_t *d = dc->drawables.e[i];
-		if (!d->pix.pixels)
-			continue;
-		c2_rect_t src = C2_RECT_WH(0, 0,
-							d->pix.size.x,
-							d->pix.size.y);
-		c2_rect_offset(&src, d->origin.x, d->origin.y);
-
-		pixman_image_composite32(PIXMAN_OP_OVER,
-				mui_drawable_get_pixman(d),
-				mui_drawable_get_pixman(dc->mask),
-				mui_drawable_get_pixman(dr),
-				src.l, src.t, 0, 0,
-				f.l, f.t,
-				c2_rect_width(&src), c2_rect_height(&src));
-	}
-	mui_drawable_clip_pop(dr);
-}
-
-static bool
-mui_cdef_drawable(
-		struct mui_control_t * 	c,
-		uint8_t 				what,
-		void * 					param)
-{
-//	mui_textbox_control_t *tb = (mui_textbox_control_t *)c;
-	switch (what) {
-		case MUI_CDEF_DRAW: {
-			mui_drawable_t * dr = param;
-			switch (c->type) {
-				case 0:
-					mui_drawable_draw(c->win, c, dr);
-					break;
-			}
-		}	break;
-		case MUI_CDEF_DISPOSE: {
-			switch (c->type) {
-				case 0: {
-					mui_drawable_control_t *dc = (mui_drawable_control_t *)c;
-					for (int i = 0; i < (int)dc->drawables.count; i++) {
-						mui_drawable_t *d = dc->drawables.e[i];
-						mui_drawable_dispose(d);
-						free(d);
-					}
-					mui_drawable_dispose(dc->mask);
-					if (dc->mask)
-						free(dc->mask);
-					mui_drawable_array_free(&dc->drawables);
-				}	break;
-			}
-		}	break;
-	}
-	return false;
-}
-
-
 static mui_time_t
 mui_about_timer_cb(
-				struct mui_t * mui,
-				mui_time_t 	now,
-				void * 		param)
+		struct mui_t * mui,
+		mui_time_t 	now,
+		void * 		param)
 {
 	mii_mui_about_t * m = (mii_mui_about_t*)param;
 
@@ -122,15 +42,13 @@ mui_about_timer_cb(
 		mui_window_dispose(&m->win);
 		return 0;
 	}
-	mui_drawable_control_t *dc = m->text;
-	mui_drawable_t * dr = dc->drawables.e[0];
+	mui_drawable_t * dr = mui_drawable_control_get_drawable(m->text);
 
 	dr->origin.y++;
-	int height = dr->pix.size.y + c2_rect_height(&dc->control.frame);
+	int height = dr->pix.size.y + c2_rect_height(&m->text->frame);
 	if (dr->origin.y > dr->pix.size.y)
 		dr->origin.y -= height;
-//	printf("Y: %d/%d\n", dr->origin.y, height);
-	mui_control_inval(&dc->control);
+	mui_control_inval(m->text);
 	return MUI_TIME_SECOND / 30;
 }
 
@@ -148,7 +66,7 @@ _mii_about_button_cb(
 
 	switch (what) {
 		case MUI_CONTROL_ACTION_SELECT:
-			printf("%s control %4.4s\n", __func__, (char*)&uid);
+//			printf("%s control %4.4s\n", __func__, (char*)&uid);
 			switch (uid) {
 				case MII_ABOUT_OK: {
 					m->terminate = true;
@@ -159,6 +77,24 @@ _mii_about_button_cb(
 	return 0;
 }
 
+static int
+_mii_about_action_cb(
+		mui_window_t * 	w,
+		void * 			cb_param,
+		uint32_t 		what,
+		void * 			param)	// not used
+{
+	printf("%s %4.4s\n", __func__, (char*)&what);
+	mii_mui_about_t * m = cb_param;
+
+	switch (what) {
+		case MUI_WINDOW_ACTION_CLOSE:
+			mui_timer_reset(w->ui, m->timer_id, mui_about_timer_cb, 0);
+			m->terminate = true;
+			break;
+	}
+	return 0;
+}
 
 #ifndef MII_VERSION
 #define MII_VERSION "0.0.0"
@@ -179,6 +115,7 @@ static const char * thanksto =
 	"Jef Raskin\n"
 	"Susan Kare\n"
 	"Thierry Magniez\n"
+	"Matthew Bloch\n"
 	"Charles \"regnips\" Springer\n"
 	"Jeroen \"Sprite_tm\" Domburg\n"
 	"Claude \"Claude\" Schwarz\n"
@@ -207,6 +144,7 @@ mii_mui_about(
 					"About the MII " MUI_GLYPH_IIE " Emulator",
 					sizeof(mii_mui_about_t));
 	mui_window_set_id(w, MII_ABOUT_WINDOW_ID);
+	mui_window_set_action(w, _mii_about_action_cb, w);
 
 	mii_mui_about_t * m = (mii_mui_about_t*)w;
 
@@ -221,52 +159,31 @@ mii_mui_about(
 	c->key_equ = MUI_KEY_EQU(0, 13);
 	mui_control_set_action(c, _mii_about_button_cb, w);
 
-	cf = C2_RECT_WH(margin, margin, mii_icon64[0], mii_icon64[1]);
 	/*
 	 	Icon
 	 */
-	c = mui_control_new(
-				w, 0, mui_cdef_drawable,
-				cf,  NULL, 0, sizeof(mui_drawable_control_t));
-	mui_drawable_control_t *dc = (mui_drawable_control_t*)c;
-	mui_drawable_t *dr = calloc(1, sizeof(mui_drawable_t));
-	/* the Xorg icon is in fact using unsigned int (64 bits!) per pixels
-	 * for some bizare reason. Here we convert it back to 32bpp */
-	dr->pix.bpp = 32;
-	dr->pix.size.x = mii_icon64[0];
-	dr->pix.size.y = mii_icon64[1];
-	dr->pix.row_bytes = dr->pix.size.x * 4;
-	dr->pix.pixels = calloc(1, dr->pix.row_bytes * dr->pix.size.y);
-	dr->dispose_pixels = true;
-
+	cf = C2_RECT_WH(margin, margin, mii_icon64[0], mii_icon64[1]);
+	mui_drawable_t *dr = mui_drawable_new(
+					C2_PT(mii_icon64[0], mii_icon64[1]),
+					32, NULL, 0);
 	/*
-	 * if the clear color is 0, it means we are using OpenGL as a renderer
-	 * this is not ideal as it means we need to reverse our internal format
-	 * (ARGB) to the one used by OpenGL (ABGR)
+	 * Silly icon is in 64bpp, due to xorg requiring 'unsigned long' pixels.
+	 * We need to convert it to 32bpp
 	 */
 	for (int y = 0; y < dr->pix.size.y; y++) {
 		for (int x = 0; x < dr->pix.size.x; x++) {
 			uint32_t *p = (uint32_t*)dr->pix.pixels;
 			p += y * dr->pix.size.x + x;
-			uint32_t pix = mii_icon64[2 + y * dr->pix.size.x + x];
-			if (ui->color.clear.a == 0) {
-				// ARGB -> ABGR
-				*p = ((pix & 0xff00ff00) |
-						((pix & 0x00ff0000) >> 16) |
-						((pix & 0x000000ff) << 16));
-			} else
-				*p = pix;
+			*p = mii_icon64[2 + y * dr->pix.size.x + x];
 		}
 	}
-	mui_drawable_array_add(&dc->drawables, dr);
-
+	c = mui_drawable_control_new(w, cf,  dr, NULL, 0);
 	/*
 	 * Text in two parts
 	 */
 	cf = C2_RECT_WH(cf.r + margin, 10,
 				c2_rect_width(&w->frame) - cf.r - margin*2,
 				ok->frame.t - margin);
-
 	c2_rect_t tbox = cf;
 	c2_rect_offset(&tbox, -tbox.l, -tbox.t);
 	tbox.b = 1000;
@@ -283,43 +200,35 @@ mii_mui_about(
 	about_frame.b = 0;
 	for (int li = 0; li < (int)lines_about.count; li++) {
 		mui_glyph_array_t * line = &lines_about.e[li];
-	//	printf("line %d x %d y %d w %d\n", li, line->x, line->y, line->w);
 		about_frame.b = line->y;
 	}
 	mui_glyph_line_array_t lines_thanks = {};
-	mui_font_measure(geneva, tbox, thanksto, 0, &lines_thanks, MUI_TEXT_ALIGN_CENTER);
+	mui_font_measure(geneva, tbox, thanksto, 0, &lines_thanks,
+						MUI_TEXT_ALIGN_CENTER);
 	c2_rect_t frame_thanks = tbox;
 	frame_thanks.b = 0;
 	for (int li = 0; li < (int)lines_thanks.count; li++) {
 		mui_glyph_array_t * line = &lines_thanks.e[li];
-	//	printf("line %d x %d y %d w %d\n", li, line->x, line->y, line->w);
 		frame_thanks.b = line->y;
 	}
 	c2_rect_offset(&frame_thanks, 0, about_frame.b + 0);
 
-	c = mui_control_new(
-				w, 0, mui_cdef_drawable,
-				cf,  NULL, 0, sizeof(mui_drawable_control_t));
 	tbox.b = frame_thanks.b + 2;
+	dr = mui_drawable_new(
+					C2_PT(c2_rect_width(&tbox), c2_rect_height(&tbox)),
+					32, NULL, 0);
+	memset(dr->pix.pixels, 0, dr->pix.size.y * dr->pix.row_bytes);
+	m->text = c = mui_drawable_control_new(w, cf,  dr, NULL, 0);
 
-	m->text = dc = (mui_drawable_control_t*)c;
-
-	dr = calloc(1, sizeof(mui_drawable_t));
-	dr->pix.bpp = 32;
-	dr->pix.size.x = c2_rect_width(&tbox);
-	dr->pix.size.y = c2_rect_height(&tbox);
-	dr->pix.row_bytes = dr->pix.size.x * 4;
-	dr->pix.pixels = calloc(1, dr->pix.row_bytes * dr->pix.size.y);
-	dr->dispose_pixels = true;
 	mui_color_t text_color = MUI_COLOR(0x000000ff);
 	mui_font_measure_draw(font, dr, tbox, &lines_about,
 				text_color, MUI_TEXT_ALIGN_CENTER);
 	mui_font_measure_draw(geneva, dr, frame_thanks, &lines_thanks,
 				text_color, MUI_TEXT_ALIGN_CENTER);
-	mui_drawable_array_add(&dc->drawables, dr);
+	mui_font_measure_clear(&lines_about);
+	mui_font_measure_clear(&lines_thanks);
 
 	m->timer_id = mui_timer_register(ui,
 						mui_about_timer_cb, m, MUI_TIME_SECOND);
 	return w;
 }
-