From 8d5d9cc87490ec0b3c4fcaec1cd266664aefe65e Mon Sep 17 00:00:00 2001
From: Daijiro Fukuda <fukuda@clear-code.com>
Date: Fri, 26 Aug 2022 17:27:06 +0900
Subject: [PATCH] Add API: IsImeOn

This is for GLFW3: glfwGetInputMode (mode: GLFW_IME)
---
 src/platforms/rcore_android.c      | 7 +++++++
 src/platforms/rcore_desktop_glfw.c | 7 +++++++
 src/platforms/rcore_desktop_sdl.c  | 7 +++++++
 src/platforms/rcore_drm.c          | 7 +++++++
 src/platforms/rcore_template.c     | 7 +++++++
 src/platforms/rcore_web.c          | 7 +++++++
 src/raylib.h                       | 1 +
 7 files changed, 43 insertions(+)

diff --git a/src/platforms/rcore_android.c b/src/platforms/rcore_android.c
index 4b1b68a4a..707160f48 100644
--- a/src/platforms/rcore_android.c
+++ b/src/platforms/rcore_android.c
@@ -619,6 +619,13 @@ void GetPreeditCursorRectangle(int *x, int *y, int *w, int *h)
     TRACELOG(LOG_WARNING, "GetPreeditCursorRectangle() not implemented on target platform");
 }
 
+// Check if IME is ON
+bool IsImeOn(void)
+{
+    TRACELOG(LOG_WARNING, "IsImeOn() not implemented on target platform");
+    return false;
+}
+
 // Set internal gamepad mappings
 int SetGamepadMappings(const char *mappings)
 {
diff --git a/src/platforms/rcore_desktop_glfw.c b/src/platforms/rcore_desktop_glfw.c
index 9579d854b..2f8bd87af 100644
--- a/src/platforms/rcore_desktop_glfw.c
+++ b/src/platforms/rcore_desktop_glfw.c
@@ -1055,6 +1055,13 @@ void GetPreeditCursorRectangle(int *x, int *y, int *w, int *h)
     glfwGetPreeditCursorRectangle(platform.handle, x, y, w, h);
 }
 
+// Check if IME is ON
+bool IsImeOn(void)
+{
+    if (glfwGetInputMode(platform.handle, GLFW_IME) == GLFW_TRUE) return true;
+    return false;
+}
+
 // Set internal gamepad mappings
 int SetGamepadMappings(const char *mappings)
 {
diff --git a/src/platforms/rcore_desktop_sdl.c b/src/platforms/rcore_desktop_sdl.c
index 63bc29004..d3514471a 100644
--- a/src/platforms/rcore_desktop_sdl.c
+++ b/src/platforms/rcore_desktop_sdl.c
@@ -940,6 +940,13 @@ void GetPreeditCursorRectangle(int *x, int *y, int *w, int *h)
     TRACELOG(LOG_WARNING, "GetPreeditCursorRectangle() not implemented on target platform");
 }
 
+// Check if IME is ON
+bool IsImeOn(void)
+{
+    TRACELOG(LOG_WARNING, "IsImeOn() not implemented on target platform");
+    return false;
+}
+
 // Set internal gamepad mappings
 int SetGamepadMappings(const char *mappings)
 {
diff --git a/src/platforms/rcore_drm.c b/src/platforms/rcore_drm.c
index 883b31d41..4cac4d015 100644
--- a/src/platforms/rcore_drm.c
+++ b/src/platforms/rcore_drm.c
@@ -615,6 +615,13 @@ void GetPreeditCursorRectangle(int *x, int *y, int *w, int *h)
     TRACELOG(LOG_WARNING, "GetPreeditCursorRectangle() not implemented on target platform");
 }
 
+// Check if IME is ON
+bool IsImeOn(void)
+{
+    TRACELOG(LOG_WARNING, "IsImeOn() not implemented on target platform");
+    return false;
+}
+
 // Set internal gamepad mappings
 int SetGamepadMappings(const char *mappings)
 {
diff --git a/src/platforms/rcore_template.c b/src/platforms/rcore_template.c
index 25e7db5a5..a4958a04d 100644
--- a/src/platforms/rcore_template.c
+++ b/src/platforms/rcore_template.c
@@ -377,6 +377,13 @@ void GetPreeditCursorRectangle(int *x, int *y, int *w, int *h)
     TRACELOG(LOG_WARNING, "GetPreeditCursorRectangle() not implemented on target platform");
 }
 
+// Check if IME is ON
+bool IsImeOn(void)
+{
+    TRACELOG(LOG_WARNING, "IsImeOn() not implemented on target platform");
+    return false;
+}
+
 // Set internal gamepad mappings
 int SetGamepadMappings(const char *mappings)
 {
diff --git a/src/platforms/rcore_web.c b/src/platforms/rcore_web.c
index 8510b8261..96a7150e3 100644
--- a/src/platforms/rcore_web.c
+++ b/src/platforms/rcore_web.c
@@ -861,6 +861,13 @@ void GetPreeditCursorRectangle(int *x, int *y, int *w, int *h)
     glfwGetPreeditCursorRectangle(platform.handle, x, y, w, h);
 }
 
+// Check if IME is ON
+bool IsImeOn(void)
+{
+    if (glfwGetInputMode(platform.handle, GLFW_IME) == GLFW_TRUE) return true;
+    return false;
+}
+
 // Set internal gamepad mappings
 int SetGamepadMappings(const char *mappings)
 {
diff --git a/src/raylib.h b/src/raylib.h
index 48f3cf6d7..d27f86747 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -1173,6 +1173,7 @@ RLAPI void SetExitKey(int key);                               // Set a custom ke
 RLAPI void SetPreeditCallback(PreeditCallback callback);      // Set a callback for preedit
 RLAPI void SetPreeditCursorRectangle(int x, int y, int w, int h); // Set the preedit cursor area that is used to decide the position of the candidate window
 RLAPI void GetPreeditCursorRectangle(int *x, int *y, int *w, int *h); // Get the preedit cursor area
+RLAPI bool IsImeOn(void);                                     // Check if IME is ON
 
 // Input-related functions: gamepads
 RLAPI bool IsGamepadAvailable(int gamepad);                                        // Check if a gamepad is available