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Windows: Added error handling to nCreateWindow

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This commit is contained in:
Elias Naur 2008-04-29 18:32:08 +00:00
parent ed19908f31
commit 97405f860f
1 changed files with 15 additions and 6 deletions
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21
src/native/windows/org_lwjgl_opengl_Display.c
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@ -178,6 +178,15 @@ JNIEXPORT jobjectArray JNICALL Java_org_lwjgl_opengl_WindowsDisplay_getAvailable
return getAvailableDisplayModes(env);
}
static void destroyWindow() {
jclass display_class_global = (jclass)(LONG_PTR)GetWindowLongPtr(display_hwnd, GWLP_USERDATA);
closeWindow(&display_hwnd, &display_hdc);
if (display_class_global != NULL)
(*env)->DeleteGlobalRef(env, display_class_global);
freeLargeIcon();
freeSmallIcon();
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_WindowsDisplay_nCreateWindow(JNIEnv *env, jobject self, jobject mode, jboolean fullscreen, jint x, jint y, jboolean undecorated, jlong parent_hwnd) {
jclass cls_displayMode = (*env)->GetObjectClass(env, mode);
jfieldID fid_width = (*env)->GetFieldID(env, cls_displayMode, "width", "I");
@ -199,15 +208,15 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_WindowsDisplay_nCreateWindow(JNIEnv
return;
}
display_hdc = GetDC(display_hwnd);
if (display_hdc == NULL) {
destroyWindow();
throwException(env, "Failed to get the window DC.");
return;
}
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_WindowsDisplay_nDestroyWindow(JNIEnv *env, jclass clazz) {
jclass display_class_global = (jclass)(LONG_PTR)GetWindowLongPtr(display_hwnd, GWLP_USERDATA);
closeWindow(&display_hwnd, &display_hdc);
if (display_class_global != NULL)
(*env)->DeleteGlobalRef(env, display_class_global);
freeLargeIcon();
freeSmallIcon();
destroyWindow();
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_WindowsDisplay_clientToScreen(JNIEnv *env, jclass unused, jlong hwnd_int, jobject buffer_handle) {