Migrated init.c.
This commit is contained in:
parent
57fbea1f3e
commit
7a4c73ff92
208
windows/init.c
208
windows/init.c
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@ -1,208 +0,0 @@
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// 6 april 2015
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#include "uipriv_windows.h"
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HINSTANCE hInstance;
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int nCmdShow;
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HFONT hMessageFont;
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HBRUSH hollowBrush;
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// TODO this won't work if initAlloc() failed
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#define initErrorFormat L"error %s: %s%s%s %I32u (0x%I32X)%s"
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#define initErrorArgs wmessage, sysmsg, beforele, label, value, value, afterle
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static const char *initerr(const char *message, const WCHAR *label, DWORD value)
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{
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WCHAR *sysmsg;
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BOOL hassysmsg;
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WCHAR *beforele;
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WCHAR *afterle;
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int n;
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WCHAR *wmessage;
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WCHAR *wstr;
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const char *str;
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if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, value, 0, (LPWSTR) (&sysmsg), 0, NULL) != 0) {
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hassysmsg = TRUE;
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beforele = L" (";
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afterle = L")";
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} else {
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hassysmsg = FALSE;
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sysmsg = L"";
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beforele = L"";
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afterle = L"";
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}
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wmessage = toUTF16(message);
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n = _scwprintf(initErrorFormat, initErrorArgs);
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wstr = (WCHAR *) uiAlloc((n + 1) * sizeof (WCHAR), "WCHAR[]");
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_snwprintf(wstr, n + 1, initErrorFormat, initErrorArgs);
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str = toUTF8(wstr);
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uiFree(wstr);
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if (hassysmsg)
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if (LocalFree(sysmsg) != NULL)
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logLastError("error freeing system message in loadLastError()");
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uiFree(wmessage);
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return str;
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}
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static const char *loadLastError(const char *message)
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{
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return initerr(message, L"GetLastError() ==", GetLastError());
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}
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static const char *loadHRESULT(const char *message, HRESULT hr)
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{
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return initerr(message, L"HRESULT", (DWORD) hr);
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}
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static BOOL WINAPI consoleCtrlHandler(DWORD dwCtrlType)
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{
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switch (dwCtrlType) {
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case CTRL_LOGOFF_EVENT:
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case CTRL_SHUTDOWN_EVENT:
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// the handler is run in a separate thread
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SendMessageW(utilWindow, msgConsoleEndSession, 0, 0);
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// we handled it here
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// this WON'T terminate the program because this is a DLL
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// at least, that's the best I can gather from the MSDN page on the handler function
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// it says that functions registered by a DLL replace the default handler function (which ends the process)
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// it works, anyway
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return TRUE;
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}
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return FALSE;
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}
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uiInitOptions options;
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#define wantedICCClasses ( \
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ICC_STANDARD_CLASSES | /* user32.dll controls */ \
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ICC_PROGRESS_CLASS | /* progress bars */ \
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ICC_TAB_CLASSES | /* tabs */ \
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ICC_LISTVIEW_CLASSES | /* table headers */ \
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ICC_UPDOWN_CLASS | /* spinboxes */ \
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ICC_BAR_CLASSES | /* trackbar */ \
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ICC_DATE_CLASSES | /* date/time picker */ \
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0)
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const char *uiInit(uiInitOptions *o)
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{
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STARTUPINFOW si;
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const char *ce;
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HICON hDefaultIcon;
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HCURSOR hDefaultCursor;
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NONCLIENTMETRICSW ncm;
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INITCOMMONCONTROLSEX icc;
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HRESULT hr;
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options = *o;
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if (initAlloc() == 0)
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return loadLastError("error initializing memory allocations");
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initResizes();
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nCmdShow = SW_SHOWDEFAULT;
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GetStartupInfoW(&si);
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if ((si.dwFlags & STARTF_USESHOWWINDOW) != 0)
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nCmdShow = si.wShowWindow;
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hDefaultIcon = LoadIconW(NULL, IDI_APPLICATION);
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if (hDefaultIcon == NULL)
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return loadLastError("loading default icon for window classes");
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hDefaultCursor = LoadCursorW(NULL, IDC_ARROW);
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if (hDefaultCursor == NULL)
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return loadLastError("loading default cursor for window classes");
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ce = initUtilWindow(hDefaultIcon, hDefaultCursor);
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if (ce != NULL)
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return loadLastError(ce);
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if (registerWindowClass(hDefaultIcon, hDefaultCursor) == 0)
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return loadLastError("registering uiWindow window class");
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ZeroMemory(&ncm, sizeof (NONCLIENTMETRICSW));
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ncm.cbSize = sizeof (NONCLIENTMETRICSW);
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if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof (NONCLIENTMETRICSW), &ncm, sizeof (NONCLIENTMETRICSW)) == 0)
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return loadLastError("getting default fonts");
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hMessageFont = CreateFontIndirectW(&(ncm.lfMessageFont));
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if (hMessageFont == NULL)
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return loadLastError("loading default messagebox font; this is the default UI font");
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// TODO rewrite this error message
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if (initContainer(hDefaultIcon, hDefaultCursor) == 0)
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return loadLastError("initializing uiMakeContainer() window class");
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if (SetConsoleCtrlHandler(consoleCtrlHandler, TRUE) == 0)
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return loadLastError("setting up console end session handler");
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hollowBrush = (HBRUSH) GetStockObject(HOLLOW_BRUSH);
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if (hollowBrush == NULL)
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return loadLastError("getting hollow brush");
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ZeroMemory(&icc, sizeof (INITCOMMONCONTROLSEX));
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icc.dwSize = sizeof (INITCOMMONCONTROLSEX);
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icc.dwICC = wantedICCClasses;
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if (InitCommonControlsEx(&icc) == 0)
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return loadLastError("initializing Common Controls");
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hr = CoInitialize(NULL);
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if (hr != S_OK && hr != S_FALSE)
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return loadHRESULT("initializing COM", hr);
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// TODO initialize COM security
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// TODO (windows vista) turn off COM exception handling
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hr = initDraw();
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if (hr != S_OK)
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return loadHRESULT("initializing Direct2D", hr);
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hr = initDrawText();
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if (hr != S_OK)
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return loadHRESULT("initializing DirectWrite", hr);
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if (registerAreaClass(hDefaultIcon, hDefaultCursor) == 0)
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return loadLastError("registering uiArea window class");
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if (registerAreaFilter() == 0)
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return loadLastError("registering uiArea message filter");
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if (registerD2DScratchClass(hDefaultIcon, hDefaultCursor) == 0)
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return loadLastError("initializing D2D scratch window class");
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return NULL;
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}
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void uiUninit(void)
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{
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uninitMenus();
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unregisterD2DScratchClass();
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unregisterArea();
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uninitDrawText();
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uninitDraw();
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CoUninitialize();
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if (DeleteObject(hollowBrush) == 0)
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logLastError("error freeing hollow brush in uiUninit()");
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if (SetConsoleCtrlHandler(consoleCtrlHandler, FALSE) == 0)
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logLastError("error unregistering console end session handler in uiUninit()");
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uninitContainer();
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if (DeleteObject(hMessageFont) == 0)
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logLastError("error deleting control font in uiUninit()");
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unregisterWindowClass();
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// no need to delete the default icon or cursor; see http://stackoverflow.com/questions/30603077/
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uninitUtilWindow();
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uninitResizes();
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uninitTypes();
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uninitAlloc();
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}
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void uiFreeInitError(const char *err)
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{
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uiFree((void *) err);
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}
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BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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if (fdwReason == DLL_PROCESS_ATTACH)
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hInstance = hinstDLL;
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return TRUE;
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}
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@ -0,0 +1,170 @@
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// 6 april 2015
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#include "uipriv_windows.hpp"
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HINSTANCE hInstance;
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int nCmdShow;
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HFONT hMessageFont;
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// TODO needed?
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HBRUSH hollowBrush;
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// the returned pointer is actually to the second character
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// if the first character is - then free, otherwise don't
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static const char *initerr(const char *message, const WCHAR *label, DWORD code)
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{
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WCHAR *sysmsg;
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BOOL hassysmsg;
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WCHAR *wmessage;
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WCHAR *out;
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char *out;
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hassysmsg = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, value, 0, (LPWSTR) (&sysmsg), 0, NULL) != 0;
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if (!hassysmsg)
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sysmsg = L"";
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wmessage = toUTF16(message + 1);
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wout = debugstrf(L"-error initializing libui: %s; code %I32d (0x%08I32X) %s",
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wmessage,
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value, value,
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sysmsg);
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uiFree(wmessage);
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if (hassysmsg)
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LocalFree(sysmsg); // ignore error
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if (wout == NULL) // debugstrf() failed; return message raw
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return message + 1;
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out = toUTF8(wout);
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uiFree(wout);
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return out + 1;
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}
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#define ieLastErr(msg) initerr("=" message, L"GetLastError() ==", GetLastError())
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#define ieHRESULT(msg, hr) initerr("=" message, L"HRESULT", (DWORD) hr)
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// TODO make common
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uiInitOptions options;
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#define wantedICCClasses ( \
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ICC_STANDARD_CLASSES | /* user32.dll controls */ \
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ICC_PROGRESS_CLASS | /* progress bars */ \
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ICC_TAB_CLASSES | /* tabs */ \
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ICC_LISTVIEW_CLASSES | /* table headers */ \
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ICC_UPDOWN_CLASS | /* spinboxes */ \
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ICC_BAR_CLASSES | /* trackbar */ \
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ICC_DATE_CLASSES | /* date/time picker */ \
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0)
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const char *uiInit(uiInitOptions *o)
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{
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STARTUPINFOW si;
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const char *ce;
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HICON hDefaultIcon;
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HCURSOR hDefaultCursor;
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NONCLIENTMETRICSW ncm;
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INITCOMMONCONTROLSEX icc;
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HRESULT hr;
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options = *o;
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initAlloc();
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initResizes();
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nCmdShow = SW_SHOWDEFAULT;
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GetStartupInfoW(&si);
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if ((si.dwFlags & STARTF_USESHOWWINDOW) != 0)
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nCmdShow = si.wShowWindow;
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hDefaultIcon = LoadIconW(NULL, IDI_APPLICATION);
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if (hDefaultIcon == NULL)
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return ieLastErr("loading default icon for window classes");
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hDefaultCursor = LoadCursorW(NULL, IDC_ARROW);
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if (hDefaultCursor == NULL)
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return ieLastErr("loading default cursor for window classes");
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ce = initUtilWindow(hDefaultIcon, hDefaultCursor);
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if (ce != NULL)
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return ieLastErr(ce);
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if (registerWindowClass(hDefaultIcon, hDefaultCursor) == 0)
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return ieLastErr("registering uiWindow window class");
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ZeroMemory(&ncm, sizeof (NONCLIENTMETRICSW));
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ncm.cbSize = sizeof (NONCLIENTMETRICSW);
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if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof (NONCLIENTMETRICSW), &ncm, sizeof (NONCLIENTMETRICSW)) == 0)
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return ieLastErr("getting default fonts");
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hMessageFont = CreateFontIndirectW(&(ncm.lfMessageFont));
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if (hMessageFont == NULL)
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return ieLastErr("loading default messagebox font; this is the default UI font");
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// TODO rewrite this error message
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if (initContainer(hDefaultIcon, hDefaultCursor) == 0)
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return ieLastErr("initializing uiMakeContainer() window class");
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hollowBrush = (HBRUSH) GetStockObject(HOLLOW_BRUSH);
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if (hollowBrush == NULL)
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return ieLastErr("getting hollow brush");
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ZeroMemory(&icc, sizeof (INITCOMMONCONTROLSEX));
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icc.dwSize = sizeof (INITCOMMONCONTROLSEX);
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icc.dwICC = wantedICCClasses;
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if (InitCommonControlsEx(&icc) == 0)
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return ieLastErr("initializing Common Controls");
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hr = CoInitialize(NULL);
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if (hr != S_OK && hr != S_FALSE)
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return ieHRESULT("initializing COM", hr);
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// TODO initialize COM security
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// TODO (windows vista) turn off COM exception handling
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hr = initDraw();
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if (hr != S_OK)
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return ieHRESULT("initializing Direct2D", hr);
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hr = initDrawText();
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if (hr != S_OK)
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return ieHRESULT("initializing DirectWrite", hr);
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if (registerAreaClass(hDefaultIcon, hDefaultCursor) == 0)
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return ieLastErr("registering uiArea window class");
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if (registerAreaFilter() == 0)
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return ieLastErr("registering uiArea message filter");
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if (registerD2DScratchClass(hDefaultIcon, hDefaultCursor) == 0)
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return ieLastErr("initializing D2D scratch window class");
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return NULL;
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}
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void uiUninit(void)
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{
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uninitMenus();
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unregisterD2DScratchClass();
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unregisterArea();
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uninitDrawText();
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uninitDraw();
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CoUninitialize();
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if (DeleteObject(hollowBrush) == 0)
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logLastError(L"error freeing hollow brush");
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uninitContainer();
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if (DeleteObject(hMessageFont) == 0)
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logLastError(L"error deleting control font");
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unregisterWindowClass();
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// no need to delete the default icon or cursor; see http://stackoverflow.com/questions/30603077/
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uninitUtilWindow();
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uninitResizes();
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uninitTypes();
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uninitAlloc();
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}
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void uiFreeInitError(const char *err)
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{
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if (*(err - 1) == '-')
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uiFree((void *) err);
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}
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BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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if (fdwReason == DLL_PROCESS_ATTACH)
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hInstance = hinstDLL;
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return TRUE;
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}
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@ -1,5 +1,9 @@
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// 21 april 2016
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// 21 april 2016
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// alloc.cpp
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extern void initAlloc(void);
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extern void uninitAlloc(void);
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// events.cpp
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// events.cpp
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extern BOOL runWM_COMMAND(WPARAM wParam, LPARAM lParam, LRESULT *lResult);
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extern BOOL runWM_COMMAND(WPARAM wParam, LPARAM lParam, LRESULT *lResult);
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extern BOOL runWM_NOTIFY(WPARAM wParam, LPARAM lParam, LRESULT *lResult);
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extern BOOL runWM_NOTIFY(WPARAM wParam, LPARAM lParam, LRESULT *lResult);
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@ -43,3 +47,10 @@ extern HWND parentToplevel(HWND child);
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extern WCHAR *windowTextAndLen(HWND hwnd, LRESULT *len);
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extern WCHAR *windowTextAndLen(HWND hwnd, LRESULT *len);
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extern WCHAR *windowText(HWND hwnd);
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extern WCHAR *windowText(HWND hwnd);
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extern void setWindowText(HWND hwnd, WCHAR *wtext);
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extern void setWindowText(HWND hwnd, WCHAR *wtext);
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||||||
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// init.cpp
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extern HINSTANCE hInstance;
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extern int nCmdShow;
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extern HFONT hMessageFont;
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||||||
|
extern HBRUSH hollowBrush;
|
||||||
|
extern uiInitOptions options;
|
||||||
|
|
Loading…
Reference in New Issue