金山衛士UI原理解析 2 CBkWindow

一.cbkwindow

cbkwindow相當於傳統win32的窗體類,但並非每個窗體有一句柄,而是把把乙個hwnd當作乙個容器

同時其還包含乙個bkwnds，bkwnds是乙個單例類，其包含多個cbkwindow

cbkwindow繼承自cbkobject

1.共有屬性

bkwin_declare_attributes_begin()

bkwin_style_attribute("class", m_style, true)
bkwin_int_attribute("id", m_ucmdid, false)//, 0)
bkwin_color_attribute("crbg", m_style.m_crbg, false)
bkwin_color_attribute("crtext", m_style.m_crtext, false)
bkwin_font_attribute("font", m_style.m_fttext, false)
bkwin_tstring_attribute("href", m_strlinkurl, false)
bkwin_tstring_attribute("tip", m_strtooltiptext, false)
bkwin_enum_attribute("valign", uint, true)
bkwin_enum_value("top", valign_top)
bkwin_enum_value("middle", valign_middle)
bkwin_enum_value("bottom", valign_bottom)
bkwin_enum_end(m_uvalign)
bkwin_enum_attribute("align", uint, true)
bkwin_enum_value("left", align_left)
bkwin_enum_value("center", align_center)
bkwin_enum_value("right", align_right)
bkwin_enum_end(m_uhalign)
bkwin_custom_attribute("pos", onattributeposchange)
bkwin_int_attribute("transparent", m_btransparent, false)//, 0)
bkwin_declare_attributes_end()

為重繪和控制項定位等做準備

bkwin_begin_msg_map()

msg_wm_create(oncreate)
msg_wm_paint(onpaint)
msg_wm_destroy(ondestroy)
msg_wm_windowposchanged(onwindowposchanged)
msg_wm_nccalcsize(onnccalcsize)
msg_wm_showwindow(onshowwindow)
bkwin_end_msg_map_base()

其會解析每個xml的節點,並初始化cbkwindow的資料

4.onpaint

beforepaint用於獲取style的樣式

afterpaint用於恢復原先樣式資訊.

bkstyle類定義了樣式資訊

void 

beforepaint(cdchandle &dc, bkdcpaint &bkdc)
if (clr_invalid != m_style.m_crbg)
if (m_style.m_fttext)
hftdraw = m_style.m_fttext;
if (m_style.m_crtext != clr_invalid)
crdraw = m_style.m_crtext;
if (isdisabled(true)/*bkwndstate_disable == (getstate() & bkwndstate_disable)*/)
else if (bkwndstate_hover == (getstate() & bkwndstate_hover))
if (hftdraw)
if (crdraw != clr_invalid)
}void 
afterpaint(cdchandle &dc, bkdcpaint &bkdc)
// draw inner text default
void 
onpaint(cdchandle dc)

同skin一樣，也是從xml載入資源

<

style
>
<
class 
name
=mainhead skin
=mainbghead font
=0000 crtext
=000000 crbg
=fbfcfd
/>
<
class 
name
=mainbody skin
=mainbgbody font
=0000 crtext
=ffffff crbg
=fbfcfd x-margin=7
/>
<
class 
name
=mainfoot skin
=mainbgfoot font
=0000 crtext
=000000 crbg
=fbfcfd x-margin
=10 y-margin=1
/>
<
class 
name
=msgboxhead skin
=msgboxhead font
=0000 crtext
=000000 crbg
=fbfcfd
/>
<
class 
name
=msgboxbody skin
=msgboxbody font
=0000 crtext
=000000 crbg
=fbfcfd
/>
<
class 
name
=msgboxfoot skin
=msgboxfoot font
=0000 crtext
=000000 crbg
=fbfcfd
/>
<
class 
name
=dlgbody skin
=dlgbody font
=0000 crtext
=000000 crbg
=fbfcfd
/>
<
class 
name
=dlgfoot skin
=dlgfoot font
=0000 crtext
=000000 crbg
=fbfcfd
/>
<
class 
name
=linktext font
=0002 hoverfont
=0002 crtext
=3064a5 crhover
=ff0000 cursor
=hand
/>
<
class 
name
=linktext2 crtext
=3064a5 crhover
=ff0000 cursor
=hand
/>
<
class 
name
=linktext3 font
=0002 hoverfont
=0002 crtext
=0051e5 crhover
=ff0000 cursor
=hand
/>
…style
>

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