From 36b952bdcdc301a600009308bff90440b6ceab5b Mon Sep 17 00:00:00 2001
From: Mat Booth <mat.booth@redhat.com>
Date: Thu, 21 Jun 2018 15:57:01 +0100
Subject: [PATCH 4/4] fix cast between incompatible function types

---
 modules/graphics/src/main/native-glass/gtk/glass_dnd.cpp | 8 ++++++--
 .../src/main/native-glass/gtk/glass_window_ime.cpp       | 9 +++------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/modules/graphics/src/main/native-glass/gtk/glass_dnd.cpp b/modules/graphics/src/main/native-glass/gtk/glass_dnd.cpp
index f85b1dae..3b9225f7 100644
--- a/modules/graphics/src/main/native-glass/gtk/glass_dnd.cpp
+++ b/modules/graphics/src/main/native-glass/gtk/glass_dnd.cpp
@@ -556,7 +556,7 @@ static GdkDragContext *get_drag_context() {
     return ctx;
 }
 
-static gboolean dnd_finish_callback() {
+static gboolean dnd_finish_callback(gpointer data) {
     if (dnd_window) {
         dnd_set_performed_action(
                 translate_gdk_action_to_glass(
@@ -1079,6 +1079,10 @@ gboolean DragView::get_drag_image_offset(int* x, int* y) {
     return offset_set;
 }
 
+static void on_pixbuf_destroy_notify(guchar *pixels, gpointer data) {
+	g_free(pixels);
+}
+
 GdkPixbuf* DragView::get_drag_image(gboolean* is_raw_image, gint* width, gint* height) {
     GdkPixbuf *pixbuf = NULL;
     gboolean is_raw = FALSE;
@@ -1106,7 +1110,7 @@ GdkPixbuf* DragView::get_drag_image(gboolean* is_raw_image, gint* width, gint* h
                     if (data) {
                         memcpy(data, (raw + whsz), nraw - whsz);
                         pixbuf = gdk_pixbuf_new_from_data(data, GDK_COLORSPACE_RGB, TRUE, 8,
-                                w, h, w * 4, (GdkPixbufDestroyNotify) g_free, NULL);
+                                w, h, w * 4, (GdkPixbufDestroyNotify) on_pixbuf_destroy_notify, NULL);
                     }
                 }
             }
diff --git a/modules/graphics/src/main/native-glass/gtk/glass_window_ime.cpp b/modules/graphics/src/main/native-glass/gtk/glass_window_ime.cpp
index 82e54d11..51af2a6a 100644
--- a/modules/graphics/src/main/native-glass/gtk/glass_window_ime.cpp
+++ b/modules/graphics/src/main/native-glass/gtk/glass_window_ime.cpp
@@ -122,15 +122,12 @@ bool WindowContextBase::filterIME(GdkEvent * event) {
     }
 }
 
-//Note: this function must return int, despite the fact it doesn't conform to XIMProc type.
-// This is required in documentation of XIM
-static int im_preedit_start(XIM im_xim, XPointer client, XPointer call) {
+static void im_preedit_start(XIM im_xim, XPointer client, XPointer call) {
     (void)im_xim;
     (void)call;
 
     mainEnv->CallVoidMethod((jobject) client, jViewNotifyPreeditMode, JNI_TRUE);
-    CHECK_JNI_EXCEPTION_RET(mainEnv, -1);
-    return -1; // No restrictions
+    CHECK_JNI_EXCEPTION(mainEnv);
 }
 
 static void im_preedit_done(XIM im_xim, XPointer client, XPointer call) {
@@ -234,7 +231,7 @@ void WindowContextBase::enableOrResetIME() {
             return;
         }
 
-        XIMCallback startCallback = {(XPointer) jview, (XIMProc) im_preedit_start};
+        XIMCallback startCallback = {(XPointer) jview, im_preedit_start};
         XIMCallback doneCallback = {(XPointer) jview, im_preedit_done};
         XIMCallback drawCallback = {(XPointer) jview, im_preedit_draw};
         XIMCallback caretCallback = {(XPointer) jview, im_preedit_caret};
-- 
2.17.1