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Win32: Mouse native cursor fixes

This commit is contained in:
Elias Naur 2004-07-06 09:13:35 +00:00
parent f661aaa22b
commit d9ea16fbf7
1 changed files with 34 additions and 71 deletions
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105
src/native/win32/org_lwjgl_input_Mouse.cpp
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@ -59,7 +59,7 @@ static bool mFirstTimeInitialization = true; // boolean to determine first time
static POINT cursorPos;
static RECT windowRect;
static bool usingNativeCursor;
static bool mouse_grabbed;
static int mouseMask = DISCL_NONEXCLUSIVE | DISCL_FOREGROUND;
// Function prototypes (defined in the cpp file, since header file is generic across platforms
@ -81,6 +81,17 @@ static void getScreenClientRect(RECT* clientRect, RECT* windowRect)
clientRect->right += clientRect->left;
}
static void resetCursorPos(void) {
/* Reset cursor position to middle of the window */
RECT clientRect;
GetWindowRect(display_hwnd, &windowRect);
getScreenClientRect(&clientRect, &windowRect);
cursorPos.x = (clientRect.left + clientRect.right)/2;
cursorPos.y = clientRect.bottom - 1 - (clientRect.bottom - clientRect.top)/2;
SetCursorPos(cursorPos.x, cursorPos.y);
GetCursorPos(&cursorPos);
}
JNIEXPORT jboolean JNICALL Java_org_lwjgl_input_Mouse_nHasWheel(JNIEnv *, jclass) {
return mHaswheel;
}
@ -205,22 +216,12 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nRead
return 0;
}
/*
* Class: org_lwjgl_input_Mouse
* Method: nIsNativeCursorSupported
* Signature: ()I
*/
JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nGetNativeCursorCaps
(JNIEnv *env, jclass clazz)
{
return org_lwjgl_input_Mouse_CURSOR_ONE_BIT_TRANSPARENCY;
}
/*
* Class: org_lwjgl_input_Mouse
* Method: nSetNativeCursor
* Signature: (I)V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nSetNativeCursor
(JNIEnv *env, jclass clazz, jlong cursor_handle)
{
@ -230,83 +231,52 @@ JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nSetNativeCursor
HCURSOR cursor = (HCURSOR)cursor_handle;
SetClassLong(display_hwnd, GCL_HCURSOR, (LONG)cursor);
SetCursor(cursor);
if (!usingNativeCursor) {
usingNativeCursor = true;
}
} else {
if (usingNativeCursor) {
SetClassLong(display_hwnd, GCL_HCURSOR, (LONG)NULL);
SetCursor(LoadCursor(NULL, IDC_ARROW));
usingNativeCursor = false;
}
SetClassLong(display_hwnd, GCL_HCURSOR, (LONG)NULL);
SetCursor(LoadCursor(NULL, IDC_ARROW));
}
}
/*
* Class: org_lwjgl_input_Mouse
* Method: nGetMaxCursorSize
* Signature: ()I
*/
JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nGetMaxCursorSize
(JNIEnv *env, jclass clazz)
{
return GetSystemMetrics(SM_CXCURSOR);
}
/*
* Class: org_lwjgl_input_Mouse
* Method: nGetMaxCursorSize
* Signature: ()I
*/
JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nGetMinCursorSize
(JNIEnv *env, jclass clazz)
{
return GetSystemMetrics(SM_CXCURSOR);
}
/*
* Class: org_lwjgl_input_Mouse
* Method: nDestroy
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nDestroy(JNIEnv *env, jclass clazz) {
ShutdownMouse();
}
/*
* Class: org_lwjgl_input_Mouse
* Method: nPoll
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nPoll(JNIEnv * env, jclass clazz, jobject coord_buffer_obj, jobject button_buffer_obj) {
mDIDevice->Acquire();
UpdateMouseFields(env, clazz, coord_buffer_obj, button_buffer_obj);
}
/*
* Class: org_lwjgl_input_Mouse
* Method: nGrabMouse
* Signature: (Z)Z
*/
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nGrabMouse
(JNIEnv * env, jclass clazz, jboolean grab) {
if(grab) {
mouseMask = DISCL_EXCLUSIVE | DISCL_FOREGROUND;
ShowCursor(false);
} else {
mouseMask = DISCL_NONEXCLUSIVE | DISCL_FOREGROUND;
ShowCursor(true);
/* Reset cursor position to middle of the window */
RECT clientRect;
GetWindowRect(display_hwnd, &windowRect);
getScreenClientRect(&clientRect, &windowRect);
cursorPos.x = (clientRect.left + clientRect.right)/2;
cursorPos.y = clientRect.bottom - 1 - (clientRect.bottom - clientRect.top)/2;
SetCursorPos(cursorPos.x, cursorPos.y);
}
mDIDevice->Unacquire();
mDIDevice->Unacquire();
if(grab) {
if (!mouse_grabbed) {
mouse_grabbed = true;
ShowCursor(false);
mouseMask = DISCL_EXCLUSIVE | DISCL_FOREGROUND;
}
} else {
if (mouse_grabbed) {
mouse_grabbed = false;
ShowCursor(true);
mouseMask = DISCL_NONEXCLUSIVE | DISCL_FOREGROUND;
}
resetCursorPos();
}
mDIDevice->Unacquire();
if(mDIDevice->SetCooperativeLevel(display_hwnd, mouseMask) != DI_OK) {
throwException(env, "Could not set the CooperativeLevel.");
return;
@ -409,14 +379,7 @@ static void SetupMouse() {
return;
}
mCreate_success = true;
/* Reset cursor position to middle of the window */
RECT clientRect;
GetWindowRect(display_hwnd, &windowRect);
getScreenClientRect(&clientRect, &windowRect);
cursorPos.x = (clientRect.left + clientRect.right)/2;
cursorPos.y = clientRect.bottom - 1 - (clientRect.bottom - clientRect.top)/2;
SetCursorPos(cursorPos.x, cursorPos.y);
resetCursorPos();
}
static int cap(int val, int min, int max) {
@ -488,11 +451,11 @@ static void UpdateMouseFields(JNIEnv *env, jclass clsMouse, jobject coord_buffer
}
}
if (usingNativeCursor) {
getGDICursorDelta(&dx, &dy);
} else {
if (mouse_grabbed) {
dx = diMouseState.lX;
dy = diMouseState.lY;
} else {
getGDICursorDelta(&dx, &dy);
}
dy = -dy;