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Added: Support for showing the IME Candidate Window on Windows

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This commit is contained in:
Zach Reedy
2021-08-30 12:21:05 -04:00
committed by Sam Lantinga
parent 183eb0673b
commit 6f97205229
2 changed files with 25 additions and 4 deletions
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9
include/SDL_hints.h
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@@ -557,6 +557,15 @@ extern "C" {
*/
#define SDL_HINT_IME_INTERNAL_EDITING "SDL_IME_INTERNAL_EDITING"
/**
* \brief A variable to control whether certain IMEs should show native UI components (such as the Candidate List) instead of suppressing them.
*
* The variable can be set to the following values:
* "0" - Native UI components are not display. (default)
* "1" - Native UI components are displayed.
*/
#define SDL_HINT_IME_SHOW_UI "SDL_IME_SHOW_UI"
/**
* \brief A variable controlling whether the home indicator bar on iPhone X
* should be hidden.

18
src/video/windows/SDL_windowskeyboard.c
View File

@@ -23,6 +23,7 @@
#if SDL_VIDEO_DRIVER_WINDOWS
#include "SDL_windowsvideo.h"
#include "SDL_hints.h"
#include "../../events/SDL_keyboard_c.h"
#include "../../events/scancodes_windows.h"
@@ -245,15 +246,23 @@ WIN_SetTextInputRect(_THIS, SDL_Rect *rect)
himc = ImmGetContext(videodata->ime_hwnd_current);
if (himc)
{
COMPOSITIONFORM cf;
CANDIDATEFORM cf;
cf.dwIndex = 0;
cf.dwStyle = CFS_POINT;
cf.ptCurrentPos.x = videodata->ime_rect.x;
cf.ptCurrentPos.y = videodata->ime_rect.y;
cf.dwStyle = CFS_FORCE_POSITION;
ImmSetCompositionWindow(himc, &cf);
ImmSetCandidateWindow(himc, &cf);
ImmReleaseContext(videodata->ime_hwnd_current, himc);
}
}
static SDL_bool
WIN_ShouldShowNativeUI()
{
return SDL_GetHintBoolean(SDL_HINT_IME_SHOW_UI, SDL_FALSE);
}
#ifdef SDL_DISABLE_WINDOWS_IME
@@ -371,6 +380,9 @@ IME_Init(SDL_VideoData *videodata, HWND hwnd)
videodata->ime_available = SDL_TRUE;
IME_UpdateInputLocale(videodata);
IME_SetupAPI(videodata);
if (WIN_ShouldShowNativeUI())
videodata->ime_uiless = SDL_FALSE;
else
videodata->ime_uiless = UILess_SetupSinks(videodata);
IME_UpdateInputLocale(videodata);
IME_Disable(videodata, hwnd);