diff --git a/examples/atlas/main.c b/examples/atlas/main.c
index 14e121d..44953c9 100644
--- a/examples/atlas/main.c
+++ b/examples/atlas/main.c
@@ -51,8 +51,8 @@ int main()
 	str8 path1 = mp_app_get_resource_path(mem_scratch(), "../resources/triceratops.png");
 	str8 path2 = mp_app_get_resource_path(mem_scratch(), "../resources/Top512.png");
 
-	mg_image_region image1 = mg_image_atlas_alloc_from_file(atlas, atlasImage, path1, true);
-	mg_image_region image2 = mg_image_atlas_alloc_from_file(atlas, atlasImage, path2, true);
+	mg_image_region image1 = mg_image_atlas_alloc_from_file(atlas, atlasImage, path1, false);
+	mg_image_region image2 = mg_image_atlas_alloc_from_file(atlas, atlasImage, path2, false);
 
 	// start app
 	mp_window_bring_to_front(window);
diff --git a/examples/canvas/main.c b/examples/canvas/main.c
index 1bfc3a9..6106c21 100644
--- a/examples/canvas/main.c
+++ b/examples/canvas/main.c
@@ -123,14 +123,14 @@ int main()
 						{
 							if(y + 200 < contentRect.h)
 							{
-								y+=5;
+								y-=5;
 							}
 						}
 						else if(event.key.code == MP_KEY_DOWN)
 						{
 							if(y - 200 > 0)
 							{
-								y-=5;
+								y+=5;
 							}
 						}
 						//*/
@@ -180,19 +180,19 @@ int main()
 
 			mg_set_color_rgba(0, 0, 0, 1);
 			mg_set_width(20);
-			mg_move_to(x-100, y-100);
-			mg_cubic_to(x-50, y-150+frown, x+50, y-150+frown, x+100, y-100);
+			mg_move_to(x-100, y+100);
+			mg_cubic_to(x-50, y+150+frown, x+50, y+150+frown, x+100, y+100);
 			mg_stroke();
 
 			// eyes
-			mg_ellipse_fill(x-70, y+50, 30, 50);
-			mg_ellipse_fill(x+70, y+50, 30, 50);
+			mg_ellipse_fill(x-70, y-50, 30, 50);
+			mg_ellipse_fill(x+70, y-50, 30, 50);
 
 			// text
 			mg_set_color_rgba(0, 0, 1, 1);
 			mg_set_font(font);
 			mg_set_font_size(12);
-			mg_move_to(50, 50);
+			mg_move_to(50, 600-50);
 
 			str8 text = str8_pushf(mem_scratch(),
 			                      "Milepost vector graphics test program (frame time = %fs, fps = %f)...",
diff --git a/examples/image/main.c b/examples/image/main.c
index 329e09b..062b3e5 100644
--- a/examples/image/main.c
+++ b/examples/image/main.c
@@ -43,11 +43,11 @@ int main()
 
 	//NOTE: create image
 	str8 imagePath = mp_app_get_resource_path(mem_scratch(), "../resources/triceratops.png");
-	mg_image image = mg_image_create_from_file(imagePath, true);
+	mg_image image = mg_image_create_from_file(imagePath, false);
 	vec2 imageSize = mg_image_size(image);
 
 	str8 imagePath2 = mp_app_get_resource_path(mem_scratch(), "../resources/Top512.png");
-	mg_image image2 = mg_image_create_from_file(imagePath2, true);
+	mg_image image2 = mg_image_create_from_file(imagePath2, false);
 	vec2 imageSize2 = mg_image_size(image2);
 
 	// start app
diff --git a/examples/perf_text/main.c b/examples/perf_text/main.c
index 9fb886c..3e7277e 100644
--- a/examples/perf_text/main.c
+++ b/examples/perf_text/main.c
@@ -140,11 +140,8 @@ int main()
 	f32 zoom = 1;
 
 	f32 startX = 10;
-	f32 startY = (contentRect.h - lineHeight - 10);
-/*
-	f32 startX = -100;
-	f32 startY = -100;
-*/
+	f32 startY = 10 + lineHeight;
+
 	while(!mp_should_quit())
 	{
 		f64 startFrameTime = mp_get_time(MP_CLOCK_MONOTONIC);
@@ -167,7 +164,7 @@ int main()
 						if(event.key.action == MP_KEY_PRESS)
 						{
 							tracked = true;
-							vec2 mousePos = mp_input_mouse_position();
+							vec2 mousePos = mp_mouse_position();
 							trackPoint.x = mousePos.x/zoom - startX;
 							trackPoint.y = mousePos.y/zoom - startY;
 						}
@@ -180,7 +177,7 @@ int main()
 
 				case MP_EVENT_MOUSE_WHEEL:
 				{
-					vec2 mousePos = mp_input_mouse_position();
+					vec2 mousePos = mp_mouse_position();
 					f32 trackX = mousePos.x/zoom - startX;
 					f32 trackY = mousePos.y/zoom - startY;
 
@@ -198,7 +195,7 @@ int main()
 
 		if(tracked)
 		{
-			vec2 mousePos = mp_input_mouse_position();
+			vec2 mousePos = mp_mouse_position();
 			startX = mousePos.x/zoom - trackPoint.x;
 			startY = mousePos.y/zoom - trackPoint.y;
 		}
@@ -249,7 +246,7 @@ int main()
 				mg_glyph_outlines((str32){subIndex, glyphs});
 				mg_fill();
 
-				textY -= lineHeight;
+				textY += lineHeight;
 				mg_move_to(textX, textY);
 				startIndex++;
 
@@ -261,7 +258,7 @@ int main()
 			mg_set_color_rgba(0, 0, 1, 1);
 			mg_set_font(font);
 			mg_set_font_size(14);
-			mg_move_to(10, 10 + lineHeight);
+			mg_move_to(10, contentRect.h - 10 - lineHeight);
 
 			str8 text = str8_pushf(mem_scratch(),
 			                      "Test program: %i glyphs, frame time = %fs, fps = %f",
diff --git a/examples/ui_style_test/main.c b/examples/ui_style_test/main.c
index 00a2cb1..b18eb56 100644
--- a/examples/ui_style_test/main.c
+++ b/examples/ui_style_test/main.c
@@ -258,7 +258,7 @@ int main()
 		ui_flags defaultFlags = UI_FLAG_DRAW_BORDER;
 
 		ui_box* root = 0;
-		ui_frame(800, 610)
+		ui_frame()
 		{
 			root = ui_box_top();
 
diff --git a/src/graphics.c b/src/graphics.c
index 42c0ffd..3c28981 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -3348,7 +3348,7 @@ mp_rect mg_glyph_outlines_from_font_data(mg_font_data* fontData, str32 glyphIndi
 
 		f32 xOffset = canvas->subPathLastPoint.x;
 		f32 yOffset = canvas->subPathLastPoint.y;
-		f32 flip = canvas->textFlip ? -1 : 1;
+		f32 flip = canvas->textFlip ? 1 : -1;
 
 		if(!glyphIndex || glyphIndex >= fontData->glyphCount)
 		{
diff --git a/src/mtl_shader.metal b/src/mtl_shader.metal
index fdcbe0f..758cf7b 100644
--- a/src/mtl_shader.metal
+++ b/src/mtl_shader.metal
@@ -16,7 +16,7 @@ vertex vs_out VertexShader(ushort vid [[vertex_id]])
 {
 	vs_out out;
 	out.uv = float2((vid << 1) & 2, vid & 2);
-	out.pos = float4(out.uv * float2(2, 2) + float2(-1, -1), 0, 1);
+	out.pos = float4(out.uv * float2(2, -2) + float2(-1, 1), 0, 1);
 	return(out);
 }
 
diff --git a/src/osx_app.m b/src/osx_app.m
index 3d9d3ea..76bfe7a 100644
--- a/src/osx_app.m
+++ b/src/osx_app.m
@@ -871,12 +871,12 @@ static void mp_process_mouse_button(NSEvent* nsEvent, mp_window_data* window, mp
 	event.type = MP_EVENT_MOUSE_MOVE;
 	event.window = mp_window_handle_from_ptr(window);
 	event.move.x = p.x;
-	event.move.y = p.y;
+	event.move.y = frame.size.height - p.y;
 	event.move.deltaX = [nsEvent deltaX];
-	event.move.deltaY = -[nsEvent deltaY];
+	event.move.deltaY = [nsEvent deltaY];
 	event.move.mods = mp_convert_osx_mods([nsEvent modifierFlags]);
 
-	mp_update_mouse_move(p.x, p.y, event.move.deltaX, event.move.deltaY);
+	mp_update_mouse_move(event.move.x, event.move.y, event.move.deltaX, event.move.deltaY);
 
 	mp_queue_event(&event);
 }
@@ -891,7 +891,7 @@ static void mp_process_mouse_button(NSEvent* nsEvent, mp_window_data* window, mp
 	event.move.x = 0;
 	event.move.y = 0;
 	event.move.deltaX = [nsEvent scrollingDeltaX]*factor;
-	event.move.deltaY = [nsEvent scrollingDeltaY]*factor;
+	event.move.deltaY = -[nsEvent scrollingDeltaY]*factor;
 	event.move.mods = mp_convert_osx_mods([nsEvent modifierFlags]);
 
 	mp_update_mouse_wheel(event.move.deltaX, event.move.deltaY);
diff --git a/src/ui.c b/src/ui.c
index a653871..16f0c21 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -66,9 +66,6 @@ typedef struct ui_context
 {
 	bool init;
 
-	f32 width;
-	f32 height;
-
 	u64 frameCounter;
 	f64 frameTime;
 	f64 lastFrameDuration;
@@ -384,10 +381,7 @@ bool ui_box_hovering(ui_box* box, vec2 p)
 
 vec2 ui_mouse_position(void)
 {
-	ui_context* ui = ui_get_context();
-
 	vec2 mousePos = mp_mouse_position();
-	mousePos.y = ui->height - mousePos.y;
 	return(mousePos);
 }
 
@@ -395,7 +389,6 @@ vec2 ui_mouse_delta(void)
 {
 	ui_context* ui = ui_get_context();
 	vec2 delta = mp_mouse_delta();
-	delta.y *= -1.;
 	return(delta);
 }
 
@@ -403,7 +396,6 @@ vec2 ui_mouse_wheel(void)
 {
 	ui_context* ui = ui_get_context();
 	vec2 delta = mp_mouse_wheel();
-	delta.y *= -1.;
 	return(delta);
 }
 
@@ -1278,33 +1270,24 @@ void ui_draw()
 	ui_context* ui = ui_get_context();
 
 	//NOTE: draw
-	mg_mat2x3 transform = {1, 0, 0,
-	                       0, -1, ui->height};
-
 	bool oldTextFlip = mg_get_text_flip();
-	mg_set_text_flip(true);
+	mg_set_text_flip(false);
 
-	mg_matrix_push(transform);
 	ui_draw_box(ui->root);
-	mg_matrix_pop();
 
 	mg_set_text_flip(oldTextFlip);
-
-	//TODO: restore flip??
 }
 
 //-----------------------------------------------------------------------------
 // frame begin/end
 //-----------------------------------------------------------------------------
 
-void ui_begin_frame(u32 width, u32 height)
+void ui_begin_frame()
 {
 	ui_context* ui = ui_get_context();
 
 	mem_arena_clear(&ui->frameArena);
 
-	ui->width = width;
-	ui->height = height;
 	ui->frameCounter++;
 	f64 time = mp_get_time(MP_CLOCK_MONOTONIC);
 	ui->lastFrameDuration = time - ui->frameTime;
@@ -1314,8 +1297,8 @@ void ui_begin_frame(u32 width, u32 height)
 	ui->z = 0;
 
 	ui_style defaultStyle = {0};
-	defaultStyle.size.s[UI_AXIS_X] = (ui_size){UI_SIZE_PIXELS, width, 0};
-	defaultStyle.size.s[UI_AXIS_Y] = (ui_size){UI_SIZE_PIXELS, height, 0};
+	defaultStyle.size.s[UI_AXIS_X] = (ui_size){UI_SIZE_CHILDREN};
+	defaultStyle.size.s[UI_AXIS_Y] = (ui_size){UI_SIZE_CHILDREN};
 
 	ui->root = ui_box_begin("_root_", 0);
 	*ui->root->targetStyle = defaultStyle;
diff --git a/src/ui.h b/src/ui.h
index 414d97b..6bf0414 100644
--- a/src/ui.h
+++ b/src/ui.h
@@ -316,11 +316,11 @@ void ui_init(void);
 ui_context* ui_get_context(void);
 void ui_set_context(ui_context* context);
 
-void ui_begin_frame(u32 width, u32 height);
+void ui_begin_frame(void);
 void ui_end_frame(void);
 void ui_draw(void);
 
-#define ui_frame(width, height) defer_loop(ui_begin_frame(width, height), ui_end_frame())
+#define ui_frame() defer_loop(ui_begin_frame(), ui_end_frame())
 
 //-------------------------------------------------------------------------------------
 // Box keys
diff --git a/src/util/lists.h b/src/util/lists.h
index 70ef937..ca230bf 100644
--- a/src/util/lists.h
+++ b/src/util/lists.h
@@ -19,17 +19,11 @@ extern "C" {
 #define OFFSET_OF_CONTAINER(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 
 #ifdef __cplusplus
-#define CONTAINER_OF(ptr, type, member) ({          \
+	#define CONTAINER_OF(ptr, type, member) ({          \
 		    const decltype( ((type *)0)->member ) *__mptr = (ptr);    \
 		    (type *)( (char *)__mptr - OFFSET_OF_CONTAINER(type,member) );})
 #else
-/*
-#define CONTAINER_OF(ptr, type, member) ({          \
-		    const char *__mptr = (char*)(ptr);    \
-		    (type *)(__mptr - OFFSET_OF_CONTAINER(type,member) );})
-*/
-#define CONTAINER_OF(ptr, type, member) (type *)((char*)(ptr) - OFFSET_OF_CONTAINER(type,member))
-
+	#define CONTAINER_OF(ptr, type, member) (type *)((char*)(ptr) - OFFSET_OF_CONTAINER(type,member))
 #endif
 
 //-------------------------------------------------------------------------
diff --git a/src/util/strings.h b/src/util/strings.h
index 91bd963..42a4730 100644
--- a/src/util/strings.h
+++ b/src/util/strings.h
@@ -9,6 +9,7 @@
 #ifndef __STRINGS_H_
 #define __STRINGS_H_
 
+#include<string.h>
 #include"typedefs.h"
 #include"lists.h"
 #include"memory.h"