void AwtScrollPane::_SetSpans(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SetSpansStruct *sss = (SetSpansStruct *)param;
jobject self = sss->scrollpane;
jint parentWidth = sss->parentWidth;
jint parentHeight = sss->parentHeight;
jint childWidth = sss->childWidth;
jint childHeight = sss->childHeight;
AwtScrollPane *s = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
s = (AwtScrollPane *)pData;
if (::IsWindow(s->GetHWnd()))
{
DTRACE_PRINTLN5("%x: WScrollPanePeer.setSpans(%d, %d, %d, %d)", self,
parentWidth, parentHeight, childWidth, childHeight);
s->RecalcSizes(parentWidth, parentHeight, childWidth, childHeight);
s->VerifyState();
}
ret:
env->DeleteGlobalRef(self);
delete sss;
}
jint AwtScrollPane::_GetOffset(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
GetOffsetStruct *gos = (GetOffsetStruct *)param;
jobject self = gos->scrollpane;
jint orient = gos->orient;
jint result = 0;
AwtScrollPane *s = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
s = (AwtScrollPane *)pData;
if (::IsWindow(s->GetHWnd()))
{
DTRACE_PRINTLN2("%x: WScrollPanePeer.getOffset(%d)", self, orient);
s->VerifyState();
int nBar = (orient == java_awt_Adjustable_HORIZONTAL) ? SB_HORZ : SB_VERT;
result = s->GetScrollPos(nBar);
}
ret:
env->DeleteGlobalRef(self);
delete gos;
return result;
}
void AwtScrollPane::_SetScrollPos(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SetScrollPosStruct *spss = (SetScrollPosStruct *)param;
jobject self = spss->scrollpane;
jint x = spss->x;
jint y = spss->y;
AwtScrollPane *s = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
s = (AwtScrollPane *)pData;
if (::IsWindow(s->GetHWnd()))
{
DTRACE_PRINTLN3("%x: WScrollPanePeer.setScrollPosition(%d, %d)", self, x, y);
SCROLLINFO si;
ZeroMemory(&si, sizeof(si));
si.fMask = SIF_POS;
si.cbSize = sizeof(si);
// set x
si.nPos = x;
::SetScrollInfo(s->GetHWnd(), SB_HORZ, &si, TRUE);
// set y
si.nPos = y;
::SetScrollInfo(s->GetHWnd(), SB_VERT, &si, TRUE);
}
ret:
env->DeleteGlobalRef(self);
delete spss;
}
/*
* Class: sun_awt_windows_WScrollPanePeer
* Method: setInsets
* Signature: ()V
*/
JNIEXPORT void JNICALL
Java_sun_awt_windows_WScrollPanePeer_setInsets(JNIEnv *env, jobject self)
{
TRY
DTRACE_PRINTLN1("%x: WScrollPanePeer.setInsets()", self);
PDATA pData;
JNI_CHECK_PEER_RETURN(self);
AwtScrollPane* pane = (AwtScrollPane *)pData;
pane->SetInsets(env);
pane->VerifyState();
CATCH_BAD_ALLOC;
}
/*
* Class: sun_awt_windows_WScrollPanePeer
* Method: setScrollPosition
* Signature: (II)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_windows_WScrollPanePeer_setScrollPosition(JNIEnv *env,
jobject self,
jint x, jint y)
{
TRY;
DTRACE_PRINTLN3("%x: WScrollPanePeer.setScrollPosition(%d, %d)", self, x, y);
PDATA pData;
JNI_CHECK_PEER_RETURN(self);
AwtScrollPane* pane = (AwtScrollPane *)pData;
pane->SetScrollPos(SB_HORZ, x);
pane->SetScrollPos(SB_VERT, y);
CATCH_BAD_ALLOC;
}
/*
* Class: sun_awt_windows_WScrollPanePeer
* Method: getOffset
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_windows_WScrollPanePeer_getOffset(JNIEnv *env, jobject self,
jint orient)
{
TRY;
DTRACE_PRINTLN2("%x: WScrollPanePeer.getOffset(%d)", self, orient);
PDATA pData;
JNI_CHECK_PEER_RETURN_NULL(self);
AwtScrollPane* pane = (AwtScrollPane *)pData;
pane->VerifyState();
int nBar = (orient == java_awt_Adjustable_HORIZONTAL) ? SB_HORZ : SB_VERT;
return pane->GetScrollPos(nBar);
CATCH_BAD_ALLOC_RET(0);
}
/*
* Class: sun_awt_windows_WScrollPanePeer
* Method: setSpans
* Signature: (IIII)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_windows_WScrollPanePeer_setSpans(JNIEnv *env, jobject self,
jint parentWidth,
jint parentHeight,
jint childWidth,
jint childHeight)
{
TRY;
DTRACE_PRINTLN5("%x: WScrollPanePeer.setSpans(%d, %d, %d, %d)", self,
parentWidth, parentHeight, childWidth, childHeight);
PDATA pData;
JNI_CHECK_PEER_RETURN(self);
AwtScrollPane* pane = (AwtScrollPane *)pData;
pane->RecalcSizes(parentWidth, parentHeight, childWidth, childHeight);
pane->VerifyState();
CATCH_BAD_ALLOC;
}
void AwtScrollPane::_SetInsets(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject self = (jobject)param;
AwtScrollPane *s = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
s = (AwtScrollPane *)pData;
if (::IsWindow(s->GetHWnd()))
{
DTRACE_PRINTLN1("%x: WScrollPanePeer.setInsets()", self);
s->SetInsets(env);
s->VerifyState();
}
ret:
env->DeleteGlobalRef(self);
}
/* Create a new AwtScrollPane object and window. */
AwtScrollPane* AwtScrollPane::Create(jobject self, jobject parent)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject target = NULL;
AwtScrollPane* c = NULL;
try {
if (env->EnsureLocalCapacity(1) < 0) {
return NULL;
}
PDATA pData;
AwtComponent* awtParent;
JNI_CHECK_PEER_GOTO(parent, done);
awtParent = (AwtComponent*)pData;
JNI_CHECK_NULL_GOTO(awtParent, "null awtParent", done);
target = env->GetObjectField(self, AwtObject::targetID);
JNI_CHECK_NULL_GOTO(target, "null target", done);
c = new AwtScrollPane();
{
DWORD style = WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
jint scrollbarDisplayPolicy =
env->GetIntField(target, scrollbarDisplayPolicyID);
if (scrollbarDisplayPolicy
== java_awt_ScrollPane_SCROLLBARS_ALWAYS) {
style |= WS_HSCROLL | WS_VSCROLL;
}
DWORD exStyle = WS_EX_CLIENTEDGE;
if (GetRTL()) {
exStyle |= WS_EX_RIGHT | WS_EX_LEFTSCROLLBAR;
if (GetRTLReadingOrder())
exStyle |= WS_EX_RTLREADING;
}
jint x = env->GetIntField(target, AwtComponent::xID);
jint y = env->GetIntField(target, AwtComponent::yID);
jint width = env->GetIntField(target, AwtComponent::widthID);
jint height = env->GetIntField(target, AwtComponent::heightID);
c->CreateHWnd(env, L"", style, exStyle,
x, y, width, height,
awtParent->GetHWnd(),
reinterpret_cast<HMENU>(static_cast<INT_PTR>(
awtParent->CreateControlID())),
::GetSysColor(COLOR_WINDOWTEXT),
::GetSysColor(COLOR_WINDOW),
self);
}
} catch (...) {
env->DeleteLocalRef(target);
throw;
}
done:
env->DeleteLocalRef(target);
return c;
}
