diff options
Diffstat (limited to 'src/libui_sdl/libui/windows/init.cpp')
| -rw-r--r-- | src/libui_sdl/libui/windows/init.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/libui_sdl/libui/windows/init.cpp b/src/libui_sdl/libui/windows/init.cpp new file mode 100644 index 0000000..2287416 --- /dev/null +++ b/src/libui_sdl/libui/windows/init.cpp @@ -0,0 +1,167 @@ +// 6 april 2015 +#include "uipriv_windows.hpp" + +HINSTANCE hInstance; +int nCmdShow; + +HFONT hMessageFont; + +// LONGTERM needed? +HBRUSH hollowBrush; + +// the returned pointer is actually to the second character +// if the first character is - then free, otherwise don't +static const char *initerr(const char *message, const WCHAR *label, DWORD value) +{ + WCHAR *sysmsg; + BOOL hassysmsg; + WCHAR *wmessage; + WCHAR *wout; + char *out; + + hassysmsg = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, value, 0, (LPWSTR) (&sysmsg), 0, NULL) != 0; + if (!hassysmsg) + sysmsg = L""; + wmessage = toUTF16(message + 1); + wout = strf(L"-error initializing libui: %s; code %I32d (0x%08I32X) %s", + wmessage, + value, value, + sysmsg); + uiFree(wmessage); + if (hassysmsg) + LocalFree(sysmsg); // ignore error + out = toUTF8(wout); + uiFree(wout); + return out + 1; +} + +#define ieLastErr(msg) initerr("=" msg, L"GetLastError() ==", GetLastError()) +#define ieHRESULT(msg, hr) initerr("=" msg, L"HRESULT", (DWORD) hr) + +// LONGTERM make common +uiInitOptions options; + +#define wantedICCClasses ( \ + ICC_STANDARD_CLASSES | /* user32.dll controls */ \ + ICC_PROGRESS_CLASS | /* progress bars */ \ + ICC_TAB_CLASSES | /* tabs */ \ + ICC_LISTVIEW_CLASSES | /* table headers */ \ + ICC_UPDOWN_CLASS | /* spinboxes */ \ + ICC_BAR_CLASSES | /* trackbar */ \ + ICC_DATE_CLASSES | /* date/time picker */ \ + 0) + +const char *uiInit(uiInitOptions *o) +{ + STARTUPINFOW si; + const char *ce; + HICON hDefaultIcon; + HCURSOR hDefaultCursor; + NONCLIENTMETRICSW ncm; + INITCOMMONCONTROLSEX icc; + HRESULT hr; + + options = *o; + + initAlloc(); + + nCmdShow = SW_SHOWDEFAULT; + GetStartupInfoW(&si); + if ((si.dwFlags & STARTF_USESHOWWINDOW) != 0) + nCmdShow = si.wShowWindow; + + // LONGTERM set DPI awareness + + hDefaultIcon = LoadIconW(NULL, IDI_APPLICATION); + if (hDefaultIcon == NULL) + return ieLastErr("loading default icon for window classes"); + hDefaultCursor = LoadCursorW(NULL, IDC_ARROW); + if (hDefaultCursor == NULL) + return ieLastErr("loading default cursor for window classes"); + + ce = initUtilWindow(hDefaultIcon, hDefaultCursor); + if (ce != NULL) + return initerr(ce, L"GetLastError() ==", GetLastError()); + + if (registerWindowClass(hDefaultIcon, hDefaultCursor) == 0) + return ieLastErr("registering uiWindow window class"); + + ZeroMemory(&ncm, sizeof (NONCLIENTMETRICSW)); + ncm.cbSize = sizeof (NONCLIENTMETRICSW); + if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof (NONCLIENTMETRICSW), &ncm, sizeof (NONCLIENTMETRICSW)) == 0) + return ieLastErr("getting default fonts"); + hMessageFont = CreateFontIndirectW(&(ncm.lfMessageFont)); + if (hMessageFont == NULL) + return ieLastErr("loading default messagebox font; this is the default UI font"); + + if (initContainer(hDefaultIcon, hDefaultCursor) == 0) + return ieLastErr("initializing uiWindowsMakeContainer() window class"); + + hollowBrush = (HBRUSH) GetStockObject(HOLLOW_BRUSH); + if (hollowBrush == NULL) + return ieLastErr("getting hollow brush"); + + ZeroMemory(&icc, sizeof (INITCOMMONCONTROLSEX)); + icc.dwSize = sizeof (INITCOMMONCONTROLSEX); + icc.dwICC = wantedICCClasses; + if (InitCommonControlsEx(&icc) == 0) + return ieLastErr("initializing Common Controls"); + + hr = CoInitialize(NULL); + if (hr != S_OK && hr != S_FALSE) + return ieHRESULT("initializing COM", hr); + // LONGTERM initialize COM security + // LONGTERM (windows vista) turn off COM exception handling + + hr = initDraw(); + if (hr != S_OK) + return ieHRESULT("initializing Direct2D", hr); + + hr = initDrawText(); + if (hr != S_OK) + return ieHRESULT("initializing DirectWrite", hr); + + if (registerAreaClass(hDefaultIcon, hDefaultCursor) == 0) + return ieLastErr("registering uiArea window class"); + + if (registerMessageFilter() == 0) + return ieLastErr("registering libui message filter"); + + if (registerD2DScratchClass(hDefaultIcon, hDefaultCursor) == 0) + return ieLastErr("initializing D2D scratch window class"); + + return NULL; +} + +void uiUninit(void) +{ + uninitMenus(); + unregisterD2DScratchClass(); + unregisterMessageFilter(); + unregisterArea(); + uninitDrawText(); + uninitDraw(); + CoUninitialize(); + if (DeleteObject(hollowBrush) == 0) + logLastError(L"error freeing hollow brush"); + uninitContainer(); + if (DeleteObject(hMessageFont) == 0) + logLastError(L"error deleting control font"); + unregisterWindowClass(); + // no need to delete the default icon or cursor; see http://stackoverflow.com/questions/30603077/ + uninitUtilWindow(); + uninitAlloc(); +} + +void uiFreeInitError(const char *err) +{ + if (*(err - 1) == '-') + uiFree((void *) (err - 1)); +} + +BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) +{ + if (fdwReason == DLL_PROCESS_ATTACH) + hInstance = hinstDLL; + return TRUE; +} |