diff options
Diffstat (limited to 'src/video/win32_v.cpp')
-rw-r--r-- | src/video/win32_v.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/video/win32_v.cpp b/src/video/win32_v.cpp index 8d50d812a..c497feb7e 100644 --- a/src/video/win32_v.cpp +++ b/src/video/win32_v.cpp @@ -24,6 +24,7 @@ #include "../window_func.h" #include "win32_v.h" #include <windows.h> +#include <imm.h> /* Missing define in MinGW headers. */ #ifndef MAPVK_VK_TO_CHAR @@ -498,6 +499,33 @@ static LRESULT HandleCharMsg(uint keycode, WChar charcode) return 0; } +#if !defined(WINCE) || _WIN32_WCE >= 0x400 +/** Handle WM_IME_COMPOSITION messages. */ +static LRESULT HandleIMEComposition(HWND hwnd, WPARAM wParam, LPARAM lParam) +{ + HIMC hIMC = ImmGetContext(hwnd); + + if (hIMC != NULL) { + if (lParam & GCS_RESULTSTR) { + /* Read result string from the IME. */ + LONG len = ImmGetCompositionString(hIMC, GCS_RESULTSTR, NULL, 0); // Length is always in bytes, even in UNICODE build. + TCHAR *str = (TCHAR *)_alloca(len + sizeof(TCHAR)); + len = ImmGetCompositionString(hIMC, GCS_RESULTSTR, str, len); + str[len / sizeof(TCHAR)] = '\0'; + + /* Transmit text to windowing system. */ + if (len > 0) HandleTextInput(FS2OTTD(str)); + + /* Don't pass the result string on to the default window proc. */ + lParam &= ~(GCS_RESULTSTR | GCS_RESULTCLAUSE | GCS_RESULTREADCLAUSE | GCS_RESULTREADSTR); + } + } + ImmReleaseContext(hwnd, hIMC); + + return lParam != 0 ? DefWindowProc(hwnd, WM_IME_COMPOSITION, wParam, lParam) : 0; +} +#endif + static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { static uint32 keycode = 0; @@ -633,6 +661,9 @@ static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lP } #if !defined(WINCE) || _WIN32_WCE >= 0x400 + case WM_IME_COMPOSITION: + return HandleIMEComposition(hwnd, wParam, lParam); + #if !defined(UNICODE) case WM_IME_CHAR: if (GB(wParam, 8, 8) != 0) { |