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[EXPLORER] -Remove the old way that the start button was painted. Keep some very simple fallback code in case the text couldn't be loaded or when the optimal size can't be determined.

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svn path=/trunk/; revision=74159
This commit is contained in:
Giannis Adamopoulos 2017-03-13 13:07:55 +00:00
parent 7eee4d8436
commit 9c8343f170
1 changed files with 17 additions and 234 deletions
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251
reactos/base/shell/explorer/traywnd.cpp
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@ -105,254 +105,37 @@ public:
if (m_ImageList == NULL ||
!SendMessageW(BCM_GETIDEALSIZE, 0, (LPARAM) &Size))
{
Size.cx = 2 * GetSystemMetrics(SM_CXEDGE);
Size.cy = 2 * GetSystemMetrics(SM_CYEDGE);
if (hbmStart == NULL)
{
hbmStart = (HBITMAP) SendMessageW(BM_GETIMAGE, IMAGE_BITMAP, 0);
}
if (hbmStart != NULL)
{
BITMAP bmp;
if (GetObject(hbmStart, sizeof(bmp), &bmp) != 0)
{
Size.cx += bmp.bmWidth;
Size.cy += max(bmp.bmHeight, GetSystemMetrics(SM_CYCAPTION));
}
else
{
/* Huh?! Shouldn't happen... */
goto DefSize;
}
}
else
{
DefSize:
Size.cx += GetSystemMetrics(SM_CXMINIMIZED);
Size.cy += GetSystemMetrics(SM_CYCAPTION);
}
Size.cx = 2 * GetSystemMetrics(SM_CXEDGE) + GetSystemMetrics(SM_CYCAPTION) * 3;
Size.cy = 2 * GetSystemMetrics(SM_CYEDGE) + GetSystemMetrics(SM_CYCAPTION);
}
/* Save the size of the start button */
m_Size = Size;
}
BOOL CreateImageList()
{
HICON hIconStart;
SIZE IconSize;
if (m_ImageList != NULL)
return TRUE;
IconSize.cx = GetSystemMetrics(SM_CXSMICON);
IconSize.cy = GetSystemMetrics(SM_CYSMICON);
/* Load the start button icon and create a image list for it */
hIconStart = (HICON) LoadImageW(hExplorerInstance,
MAKEINTRESOURCEW(IDI_START),
IMAGE_ICON,
IconSize.cx,
IconSize.cy,
LR_SHARED | LR_DEFAULTCOLOR);
if (hIconStart == NULL)
return FALSE;
m_ImageList = ImageList_Create(IconSize.cx,
IconSize.cy,
ILC_COLOR32 | ILC_MASK,
1, 1);
if (m_ImageList == NULL)
return FALSE;
int s = ImageList_ReplaceIcon(m_ImageList, -1, hIconStart);
if (s < 0)
{
/* Failed to add the icon! */
ImageList_Destroy(m_ImageList);
m_ImageList = NULL;
return FALSE;
}
return TRUE;
}
HBITMAP CreateBitmap()
{
WCHAR szStartCaption[32];
HFONT hFontOld;
HDC hDC = NULL;
HDC hDCScreen = NULL;
SIZE Size, SmallIcon;
HBITMAP hbmpOld, hbmp = NULL;
HBITMAP hBitmap = NULL;
HICON hIconStart;
BOOL Ret;
UINT Flags;
RECT rcButton;
/* NOTE: this is the backwards compatibility code that is used if the
Common Controls Version 6.0 are not available! */
if (!LoadStringW(hExplorerInstance,
IDS_START,
szStartCaption,
_countof(szStartCaption)))
{
return NULL;
}
/* Load the start button icon */
SmallIcon.cx = GetSystemMetrics(SM_CXSMICON);
SmallIcon.cy = GetSystemMetrics(SM_CYSMICON);
hIconStart = (HICON) LoadImageW(hExplorerInstance,
MAKEINTRESOURCEW(IDI_START),
IMAGE_ICON,
SmallIcon.cx,
SmallIcon.cy,
LR_SHARED | LR_DEFAULTCOLOR);
hDCScreen = ::GetDC(NULL);
if (hDCScreen == NULL)
goto Cleanup;
hDC = CreateCompatibleDC(hDCScreen);
if (hDC == NULL)
goto Cleanup;
hFontOld = (HFONT) SelectObject(hDC, m_Font);
Ret = GetTextExtentPoint32(hDC,
szStartCaption,
wcslen(szStartCaption),
&Size);
SelectObject(hDC, hFontOld);
if (!Ret)
goto Cleanup;
/* Make sure the height is at least the size of a caption icon. */
if (hIconStart != NULL)
Size.cx += SmallIcon.cx + 4;
Size.cy = max(Size.cy, SmallIcon.cy);
/* Create the bitmap */
hbmp = CreateCompatibleBitmap(hDCScreen,
Size.cx,
Size.cy);
if (hbmp == NULL)
goto Cleanup;
/* Calculate the button rect */
rcButton.left = 0;
rcButton.top = 0;
rcButton.right = Size.cx;
rcButton.bottom = Size.cy;
/* Draw the button */
hbmpOld = (HBITMAP) SelectObject(hDC, hbmp);
Flags = DC_TEXT | DC_INBUTTON;
if (hIconStart != NULL)
Flags |= DC_ICON;
Ret = DrawCaptionTemp(NULL,
hDC,
&rcButton,
m_Font,
hIconStart,
szStartCaption,
Flags);
SelectObject(hDC, hbmpOld);
if (!Ret)
goto Cleanup;
/* We successfully created the bitmap! */
hBitmap = hbmp;
hbmp = NULL;
Cleanup:
if (hDCScreen != NULL)
{
::ReleaseDC(NULL, hDCScreen);
}
if (hbmp != NULL)
DeleteObject(hbmp);
if (hDC != NULL)
DeleteDC(hDC);
return hBitmap;
}
VOID Initialize()
{
NONCLIENTMETRICS ncm;
SetWindowTheme(m_hWnd, L"Start", NULL);
if (m_Font == NULL)
/* Get the system fonts, we use the caption font, always bold, though. */
NONCLIENTMETRICS ncm {sizeof(ncm)};
if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, FALSE))
{
/* Get the system fonts, we use the caption font, always bold, though. */
ncm.cbSize = sizeof(ncm);
if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, FALSE))
{
ncm.lfCaptionFont.lfWeight = FW_BOLD;
m_Font = CreateFontIndirect(&ncm.lfCaptionFont);
}
ncm.lfCaptionFont.lfWeight = FW_BOLD;
m_Font = CreateFontIndirect(&ncm.lfCaptionFont);
}
SetFont(m_Font, FALSE);
if (CreateImageList())
{
BUTTON_IMAGELIST bil;
m_ImageList = ImageList_LoadImageW(hExplorerInstance,
MAKEINTRESOURCEW(IDB_START),
0, 0, 0,
IMAGE_BITMAP,
LR_LOADTRANSPARENT | LR_CREATEDIBSECTION);
/* Try to set the start button image. this requires the Common
Controls 6.0 to be present (XP and later) */
bil.himl = m_ImageList;
bil.margin.left = bil.margin.right = 1;
bil.margin.top = bil.margin.bottom = 1;
bil.uAlign = BUTTON_IMAGELIST_ALIGN_LEFT;
if (SendMessageW(BCM_SETIMAGELIST, 0, (LPARAM) &bil))
{
SIZE Size = { 0, 0 };
if (SendMessageW(BCM_GETIDEALSIZE, 0, (LPARAM) &Size))
{
/* We're using the image list, remove the BS_BITMAP style and
don't center it horizontally */
SetWindowStyle(m_hWnd, BS_BITMAP | BS_RIGHT, 0);
UpdateSize();
return;
}
}
/* Fall back to the deprecated method on older systems that don't
support Common Controls 6.0 */
ImageList_Destroy(m_ImageList);
m_ImageList = NULL;
}
HBITMAP hbmStart = CreateBitmap();
if (hbmStart != NULL)
{
UpdateSize(hbmStart);
HBITMAP hbmOld = (HBITMAP) SendMessageW(BM_SETIMAGE, IMAGE_BITMAP, (LPARAM) hbmStart);
if (hbmOld != NULL)
DeleteObject(hbmOld);
}
BUTTON_IMAGELIST bil = {m_ImageList, {1,1,1,1}, BUTTON_IMAGELIST_ALIGN_LEFT};
SendMessageW(BCM_SETIMAGELIST, 0, (LPARAM) &bil);
UpdateSize();
}
HWND Create(HWND hwndParent)
@ -363,10 +146,10 @@ Cleanup:
szStartCaption,
_countof(szStartCaption)))
{
szStartCaption[0] = L'\0';
wcscpy(szStartCaption, L"Start");
}
DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | BS_PUSHBUTTON | BS_CENTER | BS_VCENTER | BS_BITMAP;
DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | BS_PUSHBUTTON | BS_LEFT | BS_VCENTER;
m_hWnd = CreateWindowEx(
0,