From b25f307b9b94918da883ba083ea4b1c33807719d Mon Sep 17 00:00:00 2001
From: "bernard.xiong@gmail.com" <bernard.xiong@gmail.com>
Date: Sun, 4 Jul 2010 23:58:35 +0000
Subject: [PATCH] implement hardware DC in each widget.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@787 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 components/rtgui/common/dc_buffer.c           |   6 +-
 components/rtgui/common/dc_hw.c               | 256 +++++++++++-------
 components/rtgui/common/image_hdc.c           |   8 +-
 components/rtgui/include/rtgui/dc_hw.h        |  20 +-
 components/rtgui/include/rtgui/driver.h       |  10 +-
 components/rtgui/include/rtgui/rtgui.h        |   5 +-
 components/rtgui/include/rtgui/rtgui_object.h |   2 +
 components/rtgui/include/rtgui/rtgui_server.h |   2 +
 .../rtgui/include/rtgui/widgets/widget.h      |  31 ++-
 components/rtgui/server/driver.c              |  21 +-
 components/rtgui/server/mouse.c               |   2 +-
 components/rtgui/server/panel.c               |  14 +
 components/rtgui/server/panel.h               |   4 +
 components/rtgui/server/server.c              |   4 +-
 components/rtgui/widgets/widget.c             |   3 +
 15 files changed, 244 insertions(+), 144 deletions(-)

diff --git a/components/rtgui/common/dc_buffer.c b/components/rtgui/common/dc_buffer.c
index 71391761f1..d1c48f213a 100644
--- a/components/rtgui/common/dc_buffer.c
+++ b/components/rtgui/common/dc_buffer.c
@@ -250,7 +250,7 @@ rt_inline void rtgui_blit_line_4(rtgui_color_t* color, rt_uint8_t* dest, int lin
 static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect)
 {
 	struct rtgui_dc_buffer* dc = (struct rtgui_dc_buffer*)self;
-	struct rtgui_dc_hw* hw = (struct rtgui_dc_hw*)dest;
+	struct rtgui_dc* hw = dest;
 
 	if (dc_point == RT_NULL) dc_point = &rtgui_empty_point;
 
@@ -273,7 +273,7 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p
 			rect_height = rtgui_rect_height(*rect);
 
 		/* get blit line function */
-		switch (hw->device->byte_per_pixel)
+		switch (rtgui_graphic_driver_get_default()->byte_per_pixel)
 		{
 		case 1:
 			blit_line = rtgui_blit_line_1;
@@ -292,7 +292,7 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p
 		}
 
 		/* create line buffer */
-		line_ptr = (rt_uint8_t*) rtgui_malloc(rect_width * hw->device->byte_per_pixel);
+		line_ptr = (rt_uint8_t*) rtgui_malloc(rect_width * rtgui_graphic_driver_get_default()->byte_per_pixel);
 
 		/* prepare pixel line */
 		pixel = (rtgui_color_t*)(dc->pixel + dc_point->y * dc->pitch + dc_point->x * sizeof(rtgui_color_t));
diff --git a/components/rtgui/common/dc_hw.c b/components/rtgui/common/dc_hw.c
index 21d70221fb..49bc3c60a6 100644
--- a/components/rtgui/common/dc_hw.c
+++ b/components/rtgui/common/dc_hw.c
@@ -32,6 +32,10 @@ static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc);
 static rt_bool_t rtgui_dc_hw_get_visible(struct rtgui_dc* dc);
 static void rtgui_dc_hw_get_rect(struct rtgui_dc* dc, rtgui_rect_t* rect);
 
+#define hw_driver				(rtgui_graphic_driver_get_default())
+#define dc_set_foreground(c) 	dc->gc.foreground = c
+#define dc_set_background(c) 	dc->gc.background = c
+
 struct rtgui_dc* rtgui_dc_begin_drawing(rtgui_widget_t* owner)
 {
 	return rtgui_dc_hw_create(owner);
@@ -39,13 +43,10 @@ struct rtgui_dc* rtgui_dc_begin_drawing(rtgui_widget_t* owner)
 
 void rtgui_dc_end_drawing(struct rtgui_dc* dc)
 {
-	if (rtgui_dc_hw_fini(dc) == RT_TRUE)
-	{
-		rtgui_free(dc);
-	}
+	rtgui_dc_hw_fini(dc);
 }
 
-const static struct rtgui_dc_engine dc_hw_engine = 
+const struct rtgui_dc_engine dc_hw_engine = 
 {
 	rtgui_dc_hw_draw_point,
 	rtgui_dc_hw_draw_color_point,
@@ -63,44 +64,49 @@ const static struct rtgui_dc_engine dc_hw_engine =
 	rtgui_dc_hw_fini,
 };
 
+void rtgui_dc_hw_init(rtgui_widget_t* owner)
+{
+	struct rtgui_dc* dc;
+
+	RT_ASSERT(owner != RT_NULL);
+
+	dc = RTGUI_WIDGET_DC(owner);
+	dc->type = RTGUI_DC_HW;
+	dc->engine = &dc_hw_engine;
+}
+
 extern struct rt_mutex cursor_mutex;
-#define dc_set_foreground(c) dc->owner->gc.foreground = c
-#define dc_set_background(c) dc->owner->gc.background = c
 extern void rtgui_mouse_show_cursor(void);
 extern void rtgui_mouse_hide_cursor(void);
 struct rtgui_dc* rtgui_dc_hw_create(rtgui_widget_t* owner)
 {
-	struct rtgui_dc_hw* dc;
+	struct rtgui_dc* dc;
 	rtgui_widget_t* widget;
 
 	/* adjudge owner */
 	if (owner == RT_NULL || owner->toplevel == RT_NULL) return RT_NULL;
 	if (!RTGUI_IS_TOPLEVEL(owner->toplevel)) return RT_NULL;
 
-	/* malloc a dc object */
-	dc = (struct rtgui_dc_hw*) rtgui_malloc(sizeof(struct rtgui_dc_hw));
-	dc->parent.type   = RTGUI_DC_HW;
-	dc->parent.engine = &dc_hw_engine;
-	dc->owner	= owner;
-	dc->visible = RT_TRUE;
-	dc->device  = rtgui_graphic_driver_get_default();
+	dc = RTGUI_WIDGET_DC(owner);
+	/* set init visible as true */
+	RTGUI_WIDGET_DC_SET_VISIBLE(owner);
 
-	/* set visible */
+	/* check widget visible */
 	widget = owner;
 	while (widget != RT_NULL)
 	{
 		if (RTGUI_WIDGET_IS_HIDE(widget))
 		{
-			dc->visible = RT_FALSE;
+			RTGUI_WIDGET_DC_SET_UNVISIBLE(owner);
 			break;
 		}
 
 		widget = widget->parent;
 	}
 
-	if (RTGUI_IS_WINTITLE(dc->owner->toplevel))
+	if (RTGUI_IS_WINTITLE(owner->toplevel))
 	{
-		rtgui_toplevel_t* top = RTGUI_TOPLEVEL(dc->owner->toplevel);
+		rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
 		top->drawing ++;
 
 		if (top->drawing == 1)
@@ -117,10 +123,10 @@ struct rtgui_dc* rtgui_dc_hw_create(rtgui_widget_t* owner)
 #endif
 		}
 	}
-	else if (RTGUI_IS_WORKBENCH(dc->owner->toplevel) ||
-		RTGUI_IS_WIN(dc->owner->toplevel))
+	else if (RTGUI_IS_WORKBENCH(owner->toplevel) ||
+		RTGUI_IS_WIN(owner->toplevel))
 	{
-		rtgui_toplevel_t* top = RTGUI_TOPLEVEL(dc->owner->toplevel);
+		rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
 		top->drawing ++;
 
 		if (top->drawing == 1)
@@ -142,21 +148,25 @@ struct rtgui_dc* rtgui_dc_hw_create(rtgui_widget_t* owner)
 		}
 	}
 
-	return &(dc->parent);
+	return dc;
 }
 
 static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc)
 {
-	struct rtgui_dc_hw* hw = (struct rtgui_dc_hw*)dc;
-	if (dc == RT_NULL || hw->parent.type != RTGUI_DC_HW) return RT_FALSE;
+	rtgui_widget_t* owner;
+	
+	if (dc == RT_NULL || dc->type != RTGUI_DC_HW) return RT_FALSE;
 
-	if (RTGUI_IS_WINTITLE(hw->owner->toplevel))
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(dc, struct rtgui_widget, dc_type);
+
+	if (RTGUI_IS_WINTITLE(owner->toplevel))
 	{
 		/* update title extent */
-		rtgui_toplevel_t* top = RTGUI_TOPLEVEL(hw->owner->toplevel);
+		rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
 
 		top->drawing --;
-		if ((top->drawing == 0) && (hw->visible == RT_TRUE))
+		if ((top->drawing == 0) && RTGUI_WIDGET_IS_DC_VISIBLE(owner))
 		{
 #ifdef __WIN32__
 #ifdef RTGUI_USING_MOUSE_CURSOR
@@ -166,7 +176,7 @@ static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc)
 			rt_kprintf("show cursor\n");
 #endif
 			/* update screen */
-			hw->device->screen_update(&(hw->owner->extent));
+			hw_driver->screen_update(&(owner->extent));
 #else
 #ifdef RTGUI_USING_MOUSE_CURSOR
 			/* show cursor */
@@ -174,17 +184,17 @@ static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc)
 #endif
 
 			/* update screen */
-			hw->device->screen_update(&(hw->owner->extent));
+			hw_driver->screen_update(&(owner->extent));
 #endif
 		}
 	}
-	else if (RTGUI_IS_WORKBENCH(hw->owner->toplevel) ||
-		RTGUI_IS_WIN(hw->owner->toplevel))
+	else if (RTGUI_IS_WORKBENCH(owner->toplevel) ||
+		RTGUI_IS_WIN(owner->toplevel))
 	{
-		rtgui_toplevel_t* top = RTGUI_TOPLEVEL(hw->owner->toplevel);
+		rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
 		top->drawing --;
 
-		if ((top->drawing == 0) && (hw->visible == RT_TRUE))
+		if ((top->drawing == 0) && RTGUI_WIDGET_IS_DC_VISIBLE(owner))
 		{
 #ifdef __WIN32__
 #ifdef RTGUI_USING_MOUSE_CURSOR
@@ -194,12 +204,12 @@ static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc)
 			rt_kprintf("show cursor\n");
 #endif
 			/* update screen */
-			hw->device->screen_update(&(hw->owner->extent));
+			hw_driver->screen_update(&(owner->extent));
 #else
 			/* send to server to end drawing */
 			struct rtgui_event_update_end eupdate;
 			RTGUI_EVENT_UPDATE_END_INIT(&(eupdate));
-			eupdate.rect = hw->owner->extent;
+			eupdate.rect = owner->extent;
 
 			rtgui_thread_send(top->server, (struct rtgui_event*)&eupdate, sizeof(eupdate));
 #endif
@@ -214,37 +224,44 @@ static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc)
  */
 static void rtgui_dc_hw_draw_point(struct rtgui_dc* self, int x, int y)
 {
-	struct rtgui_dc_hw* dc;
 	rtgui_rect_t rect;
+	rtgui_widget_t *owner;
 
-	dc = (struct rtgui_dc_hw*)self;
-	if (dc == RT_NULL || dc->visible != RT_TRUE) return;
+	if (self == RT_NULL) return;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
 
-	x = x + dc->owner->extent.x1;
-	y = y + dc->owner->extent.y1;
 
-	if (rtgui_region_contains_point(&(dc->owner->clip), x, y, &rect) == RT_EOK)
+	x = x + owner->extent.x1;
+	y = y + owner->extent.y1;
+
+	if (rtgui_region_contains_point(&(owner->clip), x, y, &rect) == RT_EOK)
 	{
 		/* draw this point */
-		dc->device->set_pixel(&(dc->owner->gc.foreground), x, y);
+		hw_driver->set_pixel(&(owner->gc.foreground), x, y);
 	}
 }
 
 static void rtgui_dc_hw_draw_color_point(struct rtgui_dc* self, int x, int y, rtgui_color_t color)
 {
-	struct rtgui_dc_hw* dc;
 	rtgui_rect_t rect;
+	rtgui_widget_t *owner;
 
-	dc = (struct rtgui_dc_hw*)self;
-	if (dc == RT_NULL || dc->visible != RT_TRUE) return;
+	if (self == RT_NULL) return;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
 
-	x = x + dc->owner->extent.x1;
-	y = y + dc->owner->extent.y1;
+	x = x + owner->extent.x1;
+	y = y + owner->extent.y1;
 
-	if (rtgui_region_contains_point(&(dc->owner->clip), x, y, &rect) == RT_EOK)
+	if (rtgui_region_contains_point(&(owner->clip), x, y, &rect) == RT_EOK)
 	{
 		/* draw this point */
-		dc->device->set_pixel(&color, x, y);
+		hw_driver->set_pixel(&color, x, y);
 	}
 }
 
@@ -254,20 +271,23 @@ static void rtgui_dc_hw_draw_color_point(struct rtgui_dc* self, int x, int y, rt
 static void rtgui_dc_hw_draw_vline(struct rtgui_dc* self, int x, int y1, int y2)
 {
 	register rt_base_t index;
-	struct rtgui_dc_hw* dc;
+	rtgui_widget_t *owner;
 
-	dc = (struct rtgui_dc_hw*)self;
-	if (dc == RT_NULL || dc->visible != RT_TRUE) return;
+	if (self == RT_NULL) return;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
 
-	x  = x + dc->owner->extent.x1;
-	y1 = y1 + dc->owner->extent.y1;
-	y2 = y2 + dc->owner->extent.y1;
+	x  = x + owner->extent.x1;
+	y1 = y1 + owner->extent.y1;
+	y2 = y2 + owner->extent.y1;
 
-	if (dc->owner->clip.data == RT_NULL)
+	if (owner->clip.data == RT_NULL)
 	{
 		rtgui_rect_t* prect;
 
-		prect = &(dc->owner->clip.extents);
+		prect = &(owner->clip.extents);
 
 		/* calculate vline intersect */
 		if (prect->x1 > x   || prect->x2 <= x) return;
@@ -277,14 +297,14 @@ static void rtgui_dc_hw_draw_vline(struct rtgui_dc* self, int x, int y1, int y2)
 		if (prect->y2 < y2) y2 = prect->y2;
 
 		/* draw vline */
-		dc->device->draw_vline(&(dc->owner->gc.foreground), x, y1, y2);
+		hw_driver->draw_vline(&(owner->gc.foreground), x, y1, y2);
 	}
-	else for (index = 0; index < rtgui_region_num_rects(&(dc->owner->clip)); index ++)
+	else for (index = 0; index < rtgui_region_num_rects(&(owner->clip)); index ++)
 	{
 		rtgui_rect_t* prect;
 		register rt_base_t draw_y1, draw_y2;
 
-		prect = ((rtgui_rect_t *)(dc->owner->clip.data + index + 1));
+		prect = ((rtgui_rect_t *)(owner->clip.data + index + 1));
 		draw_y1 = y1;
 		draw_y2 = y2;
 
@@ -296,7 +316,7 @@ static void rtgui_dc_hw_draw_vline(struct rtgui_dc* self, int x, int y1, int y2)
 		if (prect->y2 < y2) draw_y2 = prect->y2;
 
 		/* draw vline */
-		dc->device->draw_vline(&(dc->owner->gc.foreground), x, draw_y1, draw_y2);
+		hw_driver->draw_vline(&(owner->gc.foreground), x, draw_y1, draw_y2);
 	}
 }
 
@@ -306,21 +326,24 @@ static void rtgui_dc_hw_draw_vline(struct rtgui_dc* self, int x, int y1, int y2)
 static void rtgui_dc_hw_draw_hline(struct rtgui_dc* self, int x1, int x2, int y)
 {
 	register rt_base_t index;
-	struct rtgui_dc_hw* dc;
+	rtgui_widget_t *owner;
 
-	dc = (struct rtgui_dc_hw*)self;
-	if (dc == RT_NULL || dc->visible != RT_TRUE) return;
+	if (self == RT_NULL) return;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
 
 	/* convert logic to device */
-	x1 = x1 + dc->owner->extent.x1;
-	x2 = x2 + dc->owner->extent.x1;
-	y  = y + dc->owner->extent.y1;
+	x1 = x1 + owner->extent.x1;
+	x2 = x2 + owner->extent.x1;
+	y  = y + owner->extent.y1;
 
-	if (dc->owner->clip.data == RT_NULL)
+	if (owner->clip.data == RT_NULL)
 	{
 		rtgui_rect_t* prect;
 
-		prect = &(dc->owner->clip.extents);
+		prect = &(owner->clip.extents);
 
 		/* calculate vline intersect */
 		if (prect->y1 > y  || prect->y2 <= y ) return;
@@ -330,14 +353,14 @@ static void rtgui_dc_hw_draw_hline(struct rtgui_dc* self, int x1, int x2, int y)
 		if (prect->x2 < x2) x2 = prect->x2;
 
 		/* draw hline */
-		dc->device->draw_hline(&(dc->owner->gc.foreground), x1, x2, y);
+		hw_driver->draw_hline(&(owner->gc.foreground), x1, x2, y);
 	}
-	else for (index = 0; index < rtgui_region_num_rects(&(dc->owner->clip)); index ++)
+	else for (index = 0; index < rtgui_region_num_rects(&(owner->clip)); index ++)
 	{
 		rtgui_rect_t* prect;
 		register rt_base_t draw_x1, draw_x2;
 
-		prect = ((rtgui_rect_t *)(dc->owner->clip.data + index + 1));
+		prect = ((rtgui_rect_t *)(owner->clip.data + index + 1));
 		draw_x1 = x1;
 		draw_x2 = x2;
 
@@ -349,7 +372,7 @@ static void rtgui_dc_hw_draw_hline(struct rtgui_dc* self, int x1, int x2, int y)
 		if (prect->x2 < x2) draw_x2 = prect->x2;
 
 		/* draw hline */
-		dc->device->draw_hline(&(dc->owner->gc.foreground), draw_x1, draw_x2, y);
+		hw_driver->draw_hline(&(owner->gc.foreground), draw_x1, draw_x2, y);
 	}
 }
 
@@ -357,16 +380,19 @@ static void rtgui_dc_hw_fill_rect (struct rtgui_dc* self, struct rtgui_rect* rec
 {
 	rtgui_color_t foreground;
 	register rt_base_t index;
-	struct rtgui_dc_hw* dc;
+	rtgui_widget_t *owner;
 
-	dc = (struct rtgui_dc_hw*)self;
-	if (dc == RT_NULL || dc->visible != RT_TRUE) return;
+	if (self == RT_NULL) return;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
 
 	/* save foreground color */
-	foreground = dc->owner->gc.foreground;
+	foreground = owner->gc.foreground;
 
 	/* set background color as foreground color */
-	dc->owner->gc.foreground = dc->owner->gc.background;
+	owner->gc.foreground = owner->gc.background;
 
 	/* fill rect */
 	for (index = rect->y1; index < rect->y2; index ++)
@@ -375,7 +401,7 @@ static void rtgui_dc_hw_fill_rect (struct rtgui_dc* self, struct rtgui_rect* rec
 	}
 
 	/* restore foreground color */
-	dc->owner->gc.foreground = foreground;
+	owner->gc.foreground = foreground;
 }
 
 static void rtgui_dc_hw_blit(struct rtgui_dc* dc, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect)
@@ -386,51 +412,76 @@ static void rtgui_dc_hw_blit(struct rtgui_dc* dc, struct rtgui_point* dc_point,
 
 static void rtgui_dc_hw_set_gc(struct rtgui_dc* self, rtgui_gc_t *gc)
 {
-	struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
+	rtgui_widget_t *owner;
 
-	if (self != RT_NULL)
-	{
-		dc->owner->gc = *gc;
-	}
+	if (self == RT_NULL) return;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	owner->gc = *gc;
 }
 
 static rtgui_gc_t* rtgui_dc_hw_get_gc(struct rtgui_dc* self)
 {
-	struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
+	rtgui_widget_t *owner;
 
-	return self != RT_NULL? &(dc->owner->gc) : RT_NULL;
+	if (self == RT_NULL) 
+	{
+	rt_kprintf("why!!\n");
+	return RT_NULL;
+	}
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+
+	return &(owner->gc);
 }
 
 static rt_bool_t rtgui_dc_hw_get_visible(struct rtgui_dc* self)
 {
-	struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
+	rtgui_widget_t *owner;
 
-	return dc->visible;
+	if (self == RT_NULL) return RT_FALSE;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return RT_FALSE;
+
+	return RT_TRUE;
 }
 
 static void rtgui_dc_hw_get_rect(struct rtgui_dc* self, rtgui_rect_t* rect)
 {
-	struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
+	rtgui_widget_t *owner;
 
-	rtgui_widget_get_rect(dc->owner, rect);
+	if (self == RT_NULL) return;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	rtgui_widget_get_rect(owner, rect);
 }
 
-void rtgui_dc_hw_draw_raw_hline(struct rtgui_dc_hw* dc, rt_uint8_t* raw_ptr, int x1, int x2, int y)
+void rtgui_dc_hw_draw_raw_hline(struct rtgui_dc* self, rt_uint8_t* raw_ptr, int x1, int x2, int y)
 {
 	register rt_base_t index;
+	rtgui_widget_t *owner;
 
-	if (dc == RT_NULL || dc->visible != RT_TRUE) return;
+	if (self == RT_NULL) return;
+	
+	/* get owner */
+	owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
+	if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
 
 	/* convert logic to device */
-	x1 = x1 + dc->owner->extent.x1;
-	x2 = x2 + dc->owner->extent.x1;
-	y  = y + dc->owner->extent.y1;
+	x1 = x1 + owner->extent.x1;
+	x2 = x2 + owner->extent.x1;
+	y  = y + owner->extent.y1;
 
-	if (dc->owner->clip.data == RT_NULL)
+	if (owner->clip.data == RT_NULL)
 	{
 		rtgui_rect_t* prect;
 
-		prect = &(dc->owner->clip.extents);
+		prect = &(owner->clip.extents);
 
 		/* calculate hline intersect */
 		if (prect->y1 > y  || prect->y2 <= y ) return;
@@ -440,14 +491,14 @@ void rtgui_dc_hw_draw_raw_hline(struct rtgui_dc_hw* dc, rt_uint8_t* raw_ptr, int
 		if (prect->x2 < x2) x2 = prect->x2;
 
 		/* draw raw hline */
-		dc->device->draw_raw_hline(raw_ptr, x1, x2, y);
+		hw_driver->draw_raw_hline(raw_ptr, x1, x2, y);
 	}
-	else for (index = 0; index < rtgui_region_num_rects(&(dc->owner->clip)); index ++)
+	else for (index = 0; index < rtgui_region_num_rects(&(owner->clip)); index ++)
 	{
 		rtgui_rect_t* prect;
 		register rt_base_t draw_x1, draw_x2;
 
-		prect = ((rtgui_rect_t *)(dc->owner->clip.data + index + 1));
+		prect = ((rtgui_rect_t *)(owner->clip.data + index + 1));
 		draw_x1 = x1;
 		draw_x2 = x2;
 
@@ -459,6 +510,7 @@ void rtgui_dc_hw_draw_raw_hline(struct rtgui_dc_hw* dc, rt_uint8_t* raw_ptr, int
 		if (prect->x2 < x2) draw_x2 = prect->x2;
 
 		/* draw raw hline */
-		dc->device->draw_raw_hline(raw_ptr + (draw_x1 - x1) * dc->device->byte_per_pixel, draw_x1, draw_x2, y);
+		hw_driver->draw_raw_hline(raw_ptr + (draw_x1 - x1) * hw_driver->byte_per_pixel, draw_x1, draw_x2, y);
 	}
 }
+
diff --git a/components/rtgui/common/image_hdc.c b/components/rtgui/common/image_hdc.c
index 4a0e130590..ad7146ea82 100644
--- a/components/rtgui/common/image_hdc.c
+++ b/components/rtgui/common/image_hdc.c
@@ -18,7 +18,7 @@ struct rtgui_image_hdc
 	rt_uint8_t *pixels;
 
 	struct rtgui_filerw* filerw;
-	struct rtgui_graphic_driver* hw_driver;
+	const struct rtgui_graphic_driver* hw_driver;
 };
 
 static rt_bool_t rtgui_image_hdc_check(struct rtgui_filerw* file);
@@ -172,7 +172,7 @@ static void rtgui_image_hdc_blit(struct rtgui_image* image, struct rtgui_dc* dc,
 
 		for (y = 0; y < h; y ++)
 		{
-			rtgui_dc_hw_draw_raw_hline((struct rtgui_dc_hw*)dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
+			rtgui_dc_hw_draw_raw_hline(dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
 			ptr += hdc->pitch;
 		}
     }
@@ -191,7 +191,7 @@ static void rtgui_image_hdc_blit(struct rtgui_image* image, struct rtgui_dc* dc,
 			if (rtgui_filerw_read(hdc->filerw, ptr, 1, hdc->pitch) != hdc->pitch)
 				break; /* read data failed */
 
-			rtgui_dc_hw_draw_raw_hline((struct rtgui_dc_hw*)dc, ptr, dst_rect->x1,  dst_rect->x1 + w, dst_rect->y1 + y);
+			rtgui_dc_hw_draw_raw_hline(dc, ptr, dst_rect->x1,  dst_rect->x1 + w, dst_rect->y1 + y);
 		}
 
 		rtgui_free(ptr);
@@ -224,7 +224,7 @@ static void rtgui_image_hdcmm_blit(struct rtgui_image* image, struct rtgui_dc* d
 
 	for (y = 0; y < h; y ++)
 	{
-		rtgui_dc_hw_draw_raw_hline((struct rtgui_dc_hw*)dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
+		rtgui_dc_hw_draw_raw_hline(dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
 		ptr += hdc->pitch;
 	}
 }
diff --git a/components/rtgui/include/rtgui/dc_hw.h b/components/rtgui/include/rtgui/dc_hw.h
index e40fce4472..7b6e7b5b20 100644
--- a/components/rtgui/include/rtgui/dc_hw.h
+++ b/components/rtgui/include/rtgui/dc_hw.h
@@ -10,31 +10,19 @@
  * Change Logs:
  * Date           Author       Notes
  * 2010-04-10     Bernard      first version
+ * 2010-06-14     Bernard      embedded hardware dc to each widget
  */
 #ifndef __RTGUI_DC_HW_H__
 #define __RTGUI_DC_HW_H__
 
 #include <rtgui/dc.h>
 
-/* hardware device context */
-struct rtgui_dc_hw
-{
-	struct rtgui_dc parent;
-
-	/* widget owner */
-	rtgui_widget_t* owner;
-
-	/* visible */
-	rt_bool_t visible;
-
-	/* display driver */
-	struct rtgui_graphic_driver* device;
-};
-
 /* create a hardware dc */
 struct rtgui_dc* rtgui_dc_hw_create(rtgui_widget_t* owner);
+void rtgui_dc_hw_init(rtgui_widget_t* owner);
 
 /* draw a hline with raw pixel data */
-void rtgui_dc_hw_draw_raw_hline(struct rtgui_dc_hw* dc, rt_uint8_t* raw_ptr, int x1, int x2, int y);
+void rtgui_dc_hw_draw_raw_hline(struct rtgui_dc* dc, rt_uint8_t* raw_ptr, int x1, int x2, int y);
 
 #endif
+
diff --git a/components/rtgui/include/rtgui/driver.h b/components/rtgui/include/rtgui/driver.h
index cc5cd6e249..79856856ba 100644
--- a/components/rtgui/include/rtgui/driver.h
+++ b/components/rtgui/include/rtgui/driver.h
@@ -49,13 +49,19 @@ struct rtgui_graphic_driver
 	rtgui_list_t list;
 };
 
+#ifdef RTGUI_USING_GRAPHIC_DRIVER_LIST
 void rtgui_graphic_driver_add(struct rtgui_graphic_driver* driver);
 void rtgui_graphic_driver_remove(struct rtgui_graphic_driver* driver);
 
 struct rtgui_graphic_driver* rtgui_graphic_driver_find(char* name);
-struct rtgui_graphic_driver* rtgui_graphic_driver_get_default(void);
+#else
+void rtgui_graphic_driver_add(const struct rtgui_graphic_driver* driver);
+#endif
 
-void rtgui_graphic_driver_get_rect(struct rtgui_graphic_driver *driver, rtgui_rect_t *rect);
+const struct rtgui_graphic_driver* rtgui_graphic_driver_get_default(void);
+
+void rtgui_graphic_driver_get_rect(const struct rtgui_graphic_driver *driver, rtgui_rect_t *rect);
 void rtgui_graphic_driver_get_default_rect(rtgui_rect_t *rect);
 
 #endif
+
diff --git a/components/rtgui/include/rtgui/rtgui.h b/components/rtgui/include/rtgui/rtgui.h
index d46b83b8d1..3fc9bf3af8 100644
--- a/components/rtgui/include/rtgui/rtgui.h
+++ b/components/rtgui/include/rtgui/rtgui.h
@@ -25,7 +25,7 @@ struct rtgui_event;
 
 struct rtgui_widget;
 struct rtgui_win;
-struct rtgui_font;
+struct rtgui_font;
 
 typedef struct rtgui_panel rtgui_panel_t;
 typedef struct rtgui_win rtgui_win_t;
@@ -47,7 +47,7 @@ typedef struct rtgui_rect rtgui_rect_t;
 #define rtgui_rect_width(r)		((r).x2 - (r).x1)
 #define rtgui_rect_height(r)	((r).y2 - (r).y1)
 
-typedef unsigned long rtgui_color_t;
+typedef unsigned long rtgui_color_t;
 
 struct rtgui_gc
 {
@@ -129,3 +129,4 @@ typedef enum RTGUI_MODAL_CODE rtgui_modal_code_t;
 #include <rtgui/rtgui_object.h>
 
 #endif
+
diff --git a/components/rtgui/include/rtgui/rtgui_object.h b/components/rtgui/include/rtgui/rtgui_object.h
index bab31f15cd..05104f8dd9 100644
--- a/components/rtgui/include/rtgui/rtgui_object.h
+++ b/components/rtgui/include/rtgui/rtgui_object.h
@@ -22,6 +22,8 @@ extern "C" {
 #endif
 
 /* rtgui object type */
+#define RTGUI_CONTAINER_OF(obj, type, member)	\
+	((type *)((char *)(obj) - (unsigned long)(&((type *)0)->member)))
 
 /** Casts the function pointer to an rtgui_constructor */
 #define RTGUI_CONSTRUCTOR(constructor)                ((rtgui_constructor_t)(constructor))
diff --git a/components/rtgui/include/rtgui/rtgui_server.h b/components/rtgui/include/rtgui/rtgui_server.h
index 46e1837e35..ebb4807194 100644
--- a/components/rtgui/include/rtgui/rtgui_server.h
+++ b/components/rtgui/include/rtgui/rtgui_server.h
@@ -72,7 +72,9 @@ void rtgui_server_post_event(struct rtgui_event* event, rt_size_t size);
 /* register or deregister panel in server */
 void rtgui_panel_register(char* name, rtgui_rect_t* extent);
 void rtgui_panel_deregister(char* name);
+
 void rtgui_panel_set_default_focused(char* name);
+void rtgui_panel_set_nofocused(char* name);
 
 #endif
 
diff --git a/components/rtgui/include/rtgui/widgets/widget.h b/components/rtgui/include/rtgui/widgets/widget.h
index a43d3f7cb7..078f12acd3 100644
--- a/components/rtgui/include/rtgui/widgets/widget.h
+++ b/components/rtgui/include/rtgui/widgets/widget.h
@@ -25,12 +25,13 @@
 extern "C" {
 #endif
 
-#define RTGUI_WIDGET_FLAG_HIDE			0x01
-#define RTGUI_WIDGET_FLAG_DISABLE		0x02
-#define RTGUI_WIDGET_FLAG_FOCUS			0x04
-#define RTGUI_WIDGET_FLAG_TRANSPARENT	0x08
-#define RTGUI_WIDGET_FLAG_FOCUSABLE		0x10
-#define RTGUI_WIDGET_FLAG_DEFAULT		0x00
+#define RTGUI_WIDGET_FLAG_DEFAULT		0x0000
+#define RTGUI_WIDGET_FLAG_HIDE			0x0001
+#define RTGUI_WIDGET_FLAG_DISABLE		0x0002
+#define RTGUI_WIDGET_FLAG_FOCUS			0x0004
+#define RTGUI_WIDGET_FLAG_TRANSPARENT	0x0008
+#define RTGUI_WIDGET_FLAG_FOCUSABLE		0x0010
+#define RTGUI_WIDGET_FLAG_DC_VISIBLE	0x0100
 
 #define RTGUI_WIDGET_UNHIDE(w)			(w)->flag &= ~RTGUI_WIDGET_FLAG_HIDE
 #define RTGUI_WIDGET_HIDE(w)			(w)->flag |= RTGUI_WIDGET_FLAG_HIDE
@@ -46,6 +47,11 @@ extern "C" {
 
 #define RTGUI_WIDGET_IS_FOCUSABLE(w) 	((w)->flag & RTGUI_WIDGET_FLAG_FOCUSABLE)
 
+#define RTGUI_WIDGET_IS_DC_VISIBLE(w)	((w)->flag & RTGUI_WIDGET_FLAG_DC_VISIBLE)
+#define RTGUI_WIDGET_DC_SET_VISIBLE(w)	(w)->flag |= RTGUI_WIDGET_FLAG_DC_VISIBLE 
+#define RTGUI_WIDGET_DC_SET_UNVISIBLE(w) (w)->flag &= ~RTGUI_WIDGET_FLAG_DC_VISIBLE
+#define RTGUI_WIDGET_DC(w)				((struct rtgui_dc*)&((w)->dc_type))
+
 /* get rtgui widget object */
 #define RTGUI_WIDGET_FOREGROUND(w) 		((w)->gc.foreground)
 #define RTGUI_WIDGET_BACKGROUND(w)		((w)->gc.background)
@@ -75,19 +81,24 @@ struct rtgui_widget
 
 	/* widget flag */
 	rt_int32_t flag;
-#ifndef RTGUI_USING_SMALL_SIZE
-	/* widget align */
-	rt_int32_t align;
-#endif
+
+	/* hardware device context */
+	rt_uint32_t dc_type;
+	const struct rtgui_dc_engine* dc_engine;
 
 	/* the graphic context of widget */
 	rtgui_gc_t gc;
 
 	/* the widget extent */
 	rtgui_rect_t extent;
+
 #ifndef RTGUI_USING_SMALL_SIZE
+	/* minimal width and height of widget */
 	rt_int16_t mini_width, mini_height;
 	rt_int16_t margin, margin_style;
+
+	/* widget align */
+	rt_int32_t align;
 #endif
 
 	/* the rect clip */
diff --git a/components/rtgui/server/driver.c b/components/rtgui/server/driver.c
index 6793ea1360..5e086f022e 100644
--- a/components/rtgui/server/driver.c
+++ b/components/rtgui/server/driver.c
@@ -13,6 +13,7 @@
  */
 #include <rtgui/driver.h>
 
+#ifdef RTGUI_USING_GRAPHIC_DRIVER_LIST
 struct rtgui_list_node _rtgui_graphic_driver_list = {RT_NULL};
 
 void rtgui_graphic_driver_add(struct rtgui_graphic_driver* driver)
@@ -50,10 +51,25 @@ struct rtgui_graphic_driver* rtgui_graphic_driver_get_default()
 	return rtgui_list_entry(_rtgui_graphic_driver_list.next,
 		struct rtgui_graphic_driver, list);
 }
+#else
+static const struct rtgui_graphic_driver* _default_graphic_driver = RT_NULL;
 
-void rtgui_graphic_driver_get_rect(struct rtgui_graphic_driver *driver, rtgui_rect_t *rect)
+void rtgui_graphic_driver_add(const struct rtgui_graphic_driver* driver)
 {
-	if (rect == RT_NULL || driver == RT_NULL) return;
+	_default_graphic_driver = driver;
+}
+
+const struct rtgui_graphic_driver* rtgui_graphic_driver_get_default()
+{
+	return _default_graphic_driver;
+}
+#endif
+
+
+void rtgui_graphic_driver_get_rect(const struct rtgui_graphic_driver *driver, rtgui_rect_t *rect)
+{
+	RT_ASSERT(rect != RT_NULL);
+	RT_ASSERT(driver != RT_NULL);
 
 	rect->x1 = rect->y1 = 0;
 	rect->x2 = driver->width;
@@ -65,3 +81,4 @@ void rtgui_graphic_driver_get_default_rect(rtgui_rect_t *rect)
 	/* return default the extent of default driver */
 	rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), rect);
 }
+
diff --git a/components/rtgui/server/mouse.c b/components/rtgui/server/mouse.c
index 32965c5115..83b3b171e9 100644
--- a/components/rtgui/server/mouse.c
+++ b/components/rtgui/server/mouse.c
@@ -129,7 +129,7 @@ static void rtgui_winrect_show		(void);
 #define WIN_MOVE_BORDER	4
 void rtgui_mouse_init()
 {
-	struct rtgui_graphic_driver* gd = rtgui_graphic_driver_get_default();
+	const struct rtgui_graphic_driver* gd = rtgui_graphic_driver_get_default();
 
 	_rtgui_cursor = (struct rtgui_cursor*) rtgui_malloc(sizeof(struct rtgui_cursor));
 	rt_memset(_rtgui_cursor, 0, sizeof(struct rtgui_cursor));
diff --git a/components/rtgui/server/panel.c b/components/rtgui/server/panel.c
index 0d767a3f3d..a7689007d2 100644
--- a/components/rtgui/server/panel.c
+++ b/components/rtgui/server/panel.c
@@ -54,6 +54,7 @@ void rtgui_panel_register(char* name, rtgui_rect_t* extent)
 	panel->extent = *extent;
 
 	panel->wm_thread = RT_NULL;
+	panel->is_focusable = RT_TRUE;
 
 	/* init list */
 	rtgui_list_init(&(panel->sibling));
@@ -90,6 +91,18 @@ void rtgui_panel_set_default_focused(char* name)
 	}
 }
 
+void rtgui_panel_set_nofocused(char* name)
+{
+	extern struct rtgui_panel* rtgui_server_focus_panel;
+	struct rtgui_panel* panel;
+	
+	panel = rtgui_panel_find(name);
+	if (panel != RT_NULL)
+	{
+		panel->is_focusable = RT_FALSE;
+	}
+}
+
 struct rtgui_panel* rtgui_panel_find(char* name)
 {
 	struct rtgui_list_node* node;
@@ -304,3 +317,4 @@ void rtgui_panel_set_wm(rtgui_panel_t* panel, rt_thread_t wm)
 
 	panel->wm_thread = wm;
 }
+
diff --git a/components/rtgui/server/panel.h b/components/rtgui/server/panel.h
index fffaa35dc0..559ddc4307 100644
--- a/components/rtgui/server/panel.h
+++ b/components/rtgui/server/panel.h
@@ -47,6 +47,9 @@ struct rtgui_panel
 
 	/* the workbench manager thread */
 	rt_thread_t wm_thread;
+
+	/* is focusable */
+	rt_bool_t is_focusable;
 };
 
 /* find panel by name */
@@ -66,3 +69,4 @@ void rtgui_panel_append_monitor_rect(rtgui_panel_t* panel, rt_thread_t tid, rtgu
 void rtgui_panel_remove_monitor_rect(rtgui_panel_t* panel, rt_thread_t tid, rtgui_rect_t* rect);
 
 #endif
+
diff --git a/components/rtgui/server/server.c b/components/rtgui/server/server.c
index 7e980c458c..4b143438fc 100644
--- a/components/rtgui/server/server.c
+++ b/components/rtgui/server/server.c
@@ -182,7 +182,7 @@ void rtgui_server_handle_set_wm(struct rtgui_event_set_wm *event)
 
 void rtgui_server_handle_update(struct rtgui_event_update_end* event)
 {
-	struct rtgui_graphic_driver* driver = rtgui_graphic_driver_get_default();
+	const struct rtgui_graphic_driver* driver = rtgui_graphic_driver_get_default();
 	if (driver != RT_NULL)
 	{
 		driver->screen_update(&(event->rect));
@@ -290,7 +290,7 @@ void rtgui_server_handle_mouse_btn(struct rtgui_event_mouse* event)
 
 	/* get the panel which contains the mouse */
 	panel = rtgui_panel_get_contain(event->x, event->y);
-	if (panel != RT_NULL)
+	if ((panel != RT_NULL) && (panel->is_focusable == RT_TRUE))
 	{
 		/* deactivate old window */
 		if (rtgui_server_focus_topwin != RT_NULL)
diff --git a/components/rtgui/widgets/widget.c b/components/rtgui/widgets/widget.c
index 450d3c34e3..705cf5d682 100644
--- a/components/rtgui/widgets/widget.c
+++ b/components/rtgui/widgets/widget.c
@@ -60,6 +60,9 @@ static void _rtgui_widget_constructor(rtgui_widget_t *widget)
 
 	/* init clip information */
 	rtgui_region_init(&(widget->clip));
+
+	/* init hardware dc */
+	rtgui_dc_hw_init(widget);
 }
 
 /* Destroys the widget */