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Add support for drawing gradient captions.

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This commit is contained in:
Frank Richter 2005-07-15 16:31:55 +00:00 committed by Alexandre Julliard
parent 9bea3bfc96
commit 567b6facab
2 changed files with 68 additions and 5 deletions
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72
dlls/user/nonclient.c
View file

@ -197,6 +197,67 @@ static HICON NC_IconForWindow( HWND hwnd )
return hIcon;
}
/* Draws the bar part(ie the big rectangle) of the caption */
static void NC_DrawCaptionBar (HDC hdc, const RECT *rect, DWORD dwStyle,
BOOL active, BOOL gradient)
{
if (gradient)
{
TRIVERTEX vertices[6];
DWORD colLeft =
GetSysColor (active ? COLOR_ACTIVECAPTION : COLOR_INACTIVECAPTION);
DWORD colRight =
GetSysColor (active ? COLOR_GRADIENTACTIVECAPTION
: COLOR_GRADIENTINACTIVECAPTION);
int v;
int buttonsAreaSize = GetSystemMetrics(SM_CYCAPTION) - 1;
static GRADIENT_RECT mesh[] = {{0, 1}, {2, 3}, {4, 5}};
for (v = 0; v < 3; v++)
{
vertices[v].Red = GetRValue (colLeft) << 8;
vertices[v].Green = GetGValue (colLeft) << 8;
vertices[v].Blue = GetBValue (colLeft) << 8;
vertices[v].Alpha = 0x8000;
vertices[v+3].Red = GetRValue (colRight) << 8;
vertices[v+3].Green = GetGValue (colRight) << 8;
vertices[v+3].Blue = GetBValue (colRight) << 8;
vertices[v+3].Alpha = 0x8000;
}
if ((dwStyle & WS_SYSMENU)
&& ((dwStyle & WS_MAXIMIZEBOX) || (dwStyle & WS_MINIMIZEBOX)))
buttonsAreaSize += 2 * (GetSystemMetrics(SM_CXSIZE) + 1);
/* area behind icon; solid filled with left color */
vertices[0].x = rect->left;
vertices[0].y = rect->top;
if (dwStyle & WS_SYSMENU)
vertices[1].x =
min (rect->left + GetSystemMetrics(SM_CXSMICON), rect->right);
else
vertices[1].x = vertices[0].x;
vertices[1].y = rect->bottom;
/* area behind text; gradient */
vertices[2].x = vertices[1].x;
vertices[2].y = rect->top;
vertices[3].x = max (vertices[2].x, rect->right - buttonsAreaSize);
vertices[3].y = rect->bottom;
/* area behind buttons; solid filled with right color */
vertices[4].x = vertices[3].x;
vertices[4].y = rect->top;
vertices[5].x = rect->right;
vertices[5].y = rect->bottom;
GdiGradientFill (hdc, vertices, 6, mesh, 3, GRADIENT_FILL_RECT_H);
}
else
FillRect (hdc, rect, GetSysColorBrush (active ?
COLOR_ACTIVECAPTION : COLOR_INACTIVECAPTION));
}
/***********************************************************************
* DrawCaption (USER32.@) Draws a caption bar
*
@ -214,7 +275,7 @@ static HICON NC_IconForWindow( HWND hwnd )
BOOL WINAPI
DrawCaption (HWND hwnd, HDC hdc, const RECT *lpRect, UINT uFlags)
{
return DrawCaptionTempA (hwnd, hdc, lpRect, 0, 0, NULL, uFlags & 0x1F);
return DrawCaptionTempW (hwnd, hdc, lpRect, 0, 0, NULL, uFlags & 0x103F);
}
@ -265,8 +326,8 @@ BOOL WINAPI DrawCaptionTempW (HWND hwnd, HDC hdc, const RECT *rect, HFONT hFont,
}
}
else {
FillRect (hdc, &rc, GetSysColorBrush ((uFlags & DC_ACTIVE) ?
COLOR_ACTIVECAPTION : COLOR_INACTIVECAPTION));
DWORD style = GetWindowLongW (hwnd, GWL_STYLE);
NC_DrawCaptionBar (hdc, rect, style, uFlags & DC_ACTIVE, uFlags & DC_GRADIENT);
}
@ -864,6 +925,7 @@ static void NC_DrawCaption( HDC hdc, RECT *rect, HWND hwnd, DWORD style,
WCHAR buffer[256];
HPEN hPrevPen;
HMENU hSysMenu;
BOOL gradient = FALSE;
hPrevPen = SelectObject( hdc, SYSCOLOR_GetPen(
((exStyle & (WS_EX_STATICEDGE|WS_EX_CLIENTEDGE|
@ -874,8 +936,8 @@ static void NC_DrawCaption( HDC hdc, RECT *rect, HWND hwnd, DWORD style,
SelectObject( hdc, hPrevPen );
r.bottom--;
FillRect( hdc, &r, GetSysColorBrush(active ? COLOR_ACTIVECAPTION :
COLOR_INACTIVECAPTION) );
SystemParametersInfoW (SPI_GETGRADIENTCAPTIONS, 0, &gradient, 0);
NC_DrawCaptionBar (hdc, rect, style, active, gradient);
if ((style & WS_SYSMENU) && !(exStyle & WS_EX_TOOLWINDOW)) {
if (NC_DrawSysButton (hwnd, hdc, FALSE))

1
include/wingdi.h
View file

@ -3335,6 +3335,7 @@ BOOL WINAPI GdiAlphaBlend(HDC,int,int,int,int,HDC,int,int,int,int,BLENDFUNC
BOOL WINAPI GdiComment(HDC,UINT,const BYTE *);
DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *);
BOOL WINAPI GdiFlush(void);
BOOL WINAPI GdiGradientFill(HDC,PTRIVERTEX,ULONG,PVOID,ULONG,ULONG);
BOOL WINAPI GdiIsMetaFileDC(HDC);
BOOL WINAPI GdiIsMetaPrintDC(HDC);
BOOL WINAPI GdiIsPlayMetafileDC(HDC);