LRESULT CALLBACK PluginWndProc(HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam)
{
NPP instance = (NPP)GetWindowLongPtr(hWnd, GWLP_USERDATA);
if (uiMsg == WM_PAINT)
{
InstanceData *data = (InstanceData *)instance->pdata;
PAINTSTRUCT ps;
HDC hDC = BeginPaint(hWnd, &ps);
HBRUSH brushBg = CreateSolidBrush(COL_WINDOW_BG);
HFONT hFont = GetSimpleFont(hDC, L"MS Shell Dlg", 14);
bool isRtL = IsLanguageRtL(gTranslationIdx);
// set up double buffering
RectI rcClient = ClientRect(hWnd);
DoubleBuffer buffer(hWnd, rcClient);
HDC hDCBuffer = buffer.GetDC();
// display message centered in the window
RECT rectClient = rcClient.ToRECT();
FillRect(hDCBuffer, &rectClient, brushBg);
hFont = (HFONT)SelectObject(hDCBuffer, hFont);
SetTextColor(hDCBuffer, RGB(0, 0, 0));
SetBkMode(hDCBuffer, TRANSPARENT);
DrawCenteredText(hDCBuffer, rcClient, data->message, isRtL);
// draw a progress bar, if a download is in progress
if (0 < data->progress && data->progress <= 1)
{
SIZE msgSize;
RectI rcProgress = rcClient;
HBRUSH brushProgress = CreateSolidBrush(RGB(0x80, 0x80, 0xff));
GetTextExtentPoint32(hDCBuffer, data->message, (int)str::Len(data->message), &msgSize);
rcProgress.Inflate(-(rcProgress.dx - msgSize.cx) / 2, -(rcProgress.dy - msgSize.cy) / 2 + 2);
rcProgress.Offset(0, msgSize.cy + 4 + 2);
RECT rectProgress = rcProgress.ToRECT();
FillRect(hDCBuffer, &rectProgress, GetStockBrush(WHITE_BRUSH));
RectI rcProgressAll = rcProgress;
rcProgress.dx = (int)(data->progress * rcProgress.dx);
rectProgress = rcProgress.ToRECT();
FillRect(hDCBuffer, &rectProgress, brushProgress);
DeleteObject(brushProgress);
ScopedMem<WCHAR> currSize(FormatSizeSuccint(data->currSize));
if (0 == data->totalSize || data->currSize > data->totalSize)
{
// total size unknown or bogus => show just the current size
DrawCenteredText(hDCBuffer, rcProgressAll, currSize, isRtL);
}
else
{
ScopedMem<WCHAR> totalSize(FormatSizeSuccint(data->totalSize));
ScopedMem<WCHAR> s(str::Format(_TR("%s of %s"), currSize, totalSize));
DrawCenteredText(hDCBuffer, rcProgressAll, s, isRtL);
}
}
// draw the buffer on screen
buffer.Flush(hDC);
DeleteObject(SelectObject(hDCBuffer, hFont));
DeleteObject(brushBg);
EndPaint(hWnd, &ps);
HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);
if (hChild)
InvalidateRect(hChild, NULL, FALSE);
}
else if (uiMsg == WM_SIZE)
{
HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);
if (hChild)
{
ClientRect rcClient(hWnd);
MoveWindow(hChild, rcClient.x, rcClient.y, rcClient.dx, rcClient.dy, FALSE);
}
}
else if (uiMsg == WM_COPYDATA)
{
COPYDATASTRUCT *cds = (COPYDATASTRUCT *)lParam;
if (cds && 0x4C5255 /* URL */ == cds->dwData)
{
plogf("sp: NPN_GetURL %s", cds->dwData, (const char *)cds->lpData);
gNPNFuncs.geturl(instance, (const char *)cds->lpData, "_blank");
return TRUE;
}
}
return DefWindowProc(hWnd, uiMsg, wParam, lParam);
}
LRESULT CALLBACK PluginWndProc(HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam)
{
InstanceData *data = (InstanceData *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
if (uiMsg == WM_PAINT)
{
PAINTSTRUCT ps;
HDC hDC = BeginPaint(hWnd, &ps);
HBRUSH brushBg = CreateSolidBrush(COL_WINDOW_BG);
HFONT hFont = GetSimpleFont(hDC, _T("MS Shell Dlg"), 14);
// set up double buffering
RectI rcClient = ClientRect(hWnd);
DoubleBuffer buffer(hWnd, rcClient);
HDC hDCBuffer = buffer.GetDC();
// display message centered in the window
FillRect(hDCBuffer, &rcClient.ToRECT(), brushBg);
hFont = (HFONT)SelectObject(hDCBuffer, hFont);
SetTextColor(hDCBuffer, RGB(0, 0, 0));
SetBkMode(hDCBuffer, TRANSPARENT);
DrawCenteredText(hDCBuffer, rcClient, data->message);
// draw a progress bar, if a download is in progress
if (0 < data->progress && data->progress <= 1)
{
SIZE msgSize;
RectI rcProgress = rcClient;
HBRUSH brushProgress = CreateSolidBrush(RGB(0x80, 0x80, 0xff));
GetTextExtentPoint32(hDCBuffer, data->message, (int)str::Len(data->message), &msgSize);
rcProgress.Inflate(-(rcProgress.dx - msgSize.cx) / 2, -(rcProgress.dy - msgSize.cy) / 2 + 2);
rcProgress.Offset(0, msgSize.cy + 4 + 2);
FillRect(hDCBuffer, &rcProgress.ToRECT(), GetStockBrush(WHITE_BRUSH));
RectI rcProgressAll = rcProgress;
rcProgress.dx = (int)(data->progress * rcProgress.dx);
FillRect(hDCBuffer, &rcProgress.ToRECT(), brushProgress);
DeleteObject(brushProgress);
ScopedMem<TCHAR> currSize(FormatSizeSuccint(data->currSize));
if (0 == data->totalSize || data->currSize > data->totalSize)
{
// total size unknown or bogus => show just the current size
DrawCenteredText(hDCBuffer, rcProgressAll, currSize);
}
else
{
ScopedMem<TCHAR> totalSize(FormatSizeSuccint(data->totalSize));
ScopedMem<TCHAR> s(str::Format(_T("%s of %s"), currSize, totalSize));
DrawCenteredText(hDCBuffer, rcProgressAll, s);
}
}
// draw the buffer on screen
buffer.Flush(hDC);
DeleteObject(SelectObject(hDCBuffer, hFont));
DeleteObject(brushBg);
EndPaint(hWnd, &ps);
HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);
if (hChild)
InvalidateRect(hChild, NULL, FALSE);
}
else if (uiMsg == WM_SIZE)
{
HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);
if (hChild)
{
ClientRect rcClient(hWnd);
MoveWindow(hChild, rcClient.x, rcClient.y, rcClient.dx, rcClient.dy, FALSE);
}
}
return DefWindowProc(hWnd, uiMsg, wParam, lParam);
}
