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Win32 part of absolute mouse coordinates

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This commit is contained in:
Elias Naur 2004-11-12 15:32:20 +00:00
parent d4d164e87e
commit 95e7c3d3ff
1 changed files with 40 additions and 39 deletions
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79
src/native/win32/org_lwjgl_input_Mouse.cpp
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@ -65,10 +65,8 @@ static int mouseMask = DISCL_NONEXCLUSIVE | DISCL_FOREGROUND;
static int accum_dx;
static int accum_dy;
static int accum_dwheel;
static int last_poll_x;
static int last_poll_y;
static int last_event_x;
static int last_event_y;
static int last_x;
static int last_y;
static event_queue_t event_queue;
static bool buffer_enabled;
@ -82,19 +80,25 @@ void SetupMouse();
void InitializeMouseFields();
void UpdateMouseFields(JNIEnv *env, jobject coord_buffer_obj, jobject button_buffer_obj);
static bool putMouseEvent(jint button, jint state, jint dx, jint dy, jint dz) {
jint event[] = {button, state, dx, -dy, dz};
static int transformY(int y) {
RECT clientRect;
GetClientRect(getCurrentHWND(), &clientRect);
return (clientRect.bottom - clientRect.top) - 1 - y;
}
static bool putMouseEventWithCoords(jint button, jint state, jint coord1, jint coord2, jint dz) {
jint event[] = {button, state, coord1, coord2, dz};
return putEvent(&event_queue, event);
}
static bool putMouseEvent(jint button, jint state, jint dz) {
if (mouse_grabbed)
return putMouseEventWithCoords(button, state, 0, 0, dz);
else
return putMouseEventWithCoords(button, state, last_x, last_y, dz);
}
static void resetCursorPos(void) {
/* Reset cursor position to middle of the window */
RECT clientRect;
GetClientRect(getCurrentHWND(), &clientRect);
last_poll_x = (clientRect.left + clientRect.right)/2;
last_poll_y = clientRect.bottom - 1 - (clientRect.bottom - clientRect.top)/2;
last_event_x = last_poll_x;
last_event_y = last_poll_y;
accum_dx = accum_dy = 0;
}
@ -114,7 +118,7 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Win32Display_createMouse(JNIEnv *en
initEventQueue(&event_queue, EVENT_SIZE);
last_poll_x = last_poll_y = last_event_x = last_event_y = accum_dx = accum_dy = accum_dwheel = 0;
last_x = last_y = accum_dx = accum_dy = accum_dwheel = 0;
buffer_enabled = false;
// Create input
@ -158,26 +162,26 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Win32Display_enableMouseBuffer(JNIE
void handleMouseScrolled(int event_dwheel) {
accum_dwheel += event_dwheel;
putMouseEvent(-1, 0, 0, 0, event_dwheel);
putMouseEvent(-1, 0, event_dwheel);
}
void handleMouseMoved(int x, int y) {
int poll_dx = x - last_poll_x;
int poll_dy = y - last_poll_y;
accum_dx += poll_dx;
accum_dy += poll_dy;
last_poll_x = x;
last_poll_y = y;
int event_dx = x - last_event_x;
int event_dy = y - last_event_y;
if (putMouseEvent(-1, 0, event_dx, event_dy, 0)) {
last_event_x = x;
last_event_y = y;
}
y = transformY(y);
int dx = x - last_x;
int dy = y - last_y;
accum_dx += dx;
accum_dy += dy;
last_x = x;
last_y = y;
if (mouse_grabbed) {
putMouseEventWithCoords(-1, 0, dx, dy, 0);
} else {
putMouseEventWithCoords(-1, 0, x, y, 0);
}
}
void handleMouseButton(int button, int state) {
putMouseEvent(button, state, 0, 0, 0);
putMouseEvent(button, state, 0);
}
static void copyDXEvents(int num_di_events, DIDEVICEOBJECTDATA *di_buffer) {
@ -187,19 +191,19 @@ static void copyDXEvents(int num_di_events, DIDEVICEOBJECTDATA *di_buffer) {
int button_state = (di_buffer[i].dwData & 0x80) != 0 ? 1 : 0;
switch (di_buffer[i].dwOfs) {
case DIMOFS_BUTTON0:
putMouseEvent(0, button_state, dx, dy, dwheel);
putMouseEventWithCoords(0, button_state, dx, -dy, dwheel);
dx = dy = dwheel = 0;
break;
case DIMOFS_BUTTON1:
putMouseEvent(1, button_state, dx, dy, dwheel);
putMouseEventWithCoords(1, button_state, dx, -dy, dwheel);
dx = dy = dwheel = 0;
break;
case DIMOFS_BUTTON2:
putMouseEvent(2, button_state, dx, dy, dwheel);
putMouseEventWithCoords(2, button_state, dx, -dy, dwheel);
dx = dy = dwheel = 0;
break;
case DIMOFS_BUTTON3:
putMouseEvent(3, button_state, dx, dy, dwheel);
putMouseEventWithCoords(3, button_state, dx, -dy, dwheel);
dx = dy = dwheel = 0;
break;
case DIMOFS_X:
@ -214,12 +218,10 @@ static void copyDXEvents(int num_di_events, DIDEVICEOBJECTDATA *di_buffer) {
}
}
if (dx != 0 || dy != 0 || dwheel != 0)
putMouseEvent(-1, 0, dx, dy, dwheel);
putMouseEventWithCoords(-1, 0, dx, -dy, dwheel);
}
static void readDXBuffer()
{
static void readDXBuffer() {
DIDEVICEOBJECTDATA rgdod[EVENT_BUFFER_SIZE];
DWORD num_di_events = EVENT_BUFFER_SIZE;
@ -326,7 +328,6 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Win32Display_grabMouse
ShowCursor(true);
mouseMask = DISCL_NONEXCLUSIVE | DISCL_FOREGROUND;
}
resetCursorPos();
}
mDIDevice->Unacquire();
if(mDIDevice->SetCooperativeLevel(getCurrentHWND(), mouseMask) != DI_OK) {
@ -486,8 +487,8 @@ static void UpdateMouseFields(JNIEnv *env, jobject coord_buffer_obj, jobject but
coords[1] = -diMouseState.lY;
coords[2] = diMouseState.lZ;
} else {
coords[0] = accum_dx;
coords[1] = -accum_dy;
coords[0] = last_x;
coords[1] = last_y;
coords[2] = accum_dwheel;
accum_dx = accum_dy = accum_dwheel = 0;
}