CloverBootloader/rEFIt_UEFI/libeg/XPointer.cpp

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/*
* a class for mouse support
*/
#include <Platform.h>
#include "XPointer.h"
#include "libegint.h" //this includes platform.h
#include "../refit/screen.h"
#include "../refit/menu.h"
#ifndef DEBUG_ALL
#define DEBUG_MOUSE 1
#else
#define DEBUG_MOUSE DEBUG_ALL
#endif
#if DEBUG_MOUSE == 0
#define DBG(...)
#else
#define DBG(...) DebugLog(DEBUG_MOUSE, __VA_ARGS__)
#endif
// Initial value, but later it will be theme dependent
#define POINTER_WIDTH 64
#define POINTER_HEIGHT 64
XPointer::XPointer()
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: SimplePointerProtocol(NULL), PointerImage(NULL),
// newImage(POINTER_WIDTH, POINTER_HEIGHT),
oldImage(0, 0), Alive(false)
{
}
XPointer::~XPointer()
{
}
void XPointer::Hide()
{
if (Alive) {
oldImage.DrawWithoutCompose(oldPlace.XPos, oldPlace.YPos);
}
}
bool XPointer::isAlive()
{
return Alive;
}
EFI_STATUS XPointer::MouseBirth()
{
EFI_STATUS Status = EFI_UNSUPPORTED;
if (!gSettings.PointerEnabled) {
return EFI_SUCCESS;
}
if (SimplePointerProtocol) { //do not double
// DBG("Mouse is already here\n");
Draw();
return EFI_SUCCESS;
}
// Try first to use mouse from System Table
Status = gBS->HandleProtocol(gST->ConsoleInHandle, &gEfiSimplePointerProtocolGuid, (VOID**)&SimplePointerProtocol);
if (EFI_ERROR(Status)) {
// not found, so use the first found device
DBG("MouseBirth: No mouse at ConIn, checking if any other device exists\n");
Status = gBS->LocateProtocol(&gEfiSimplePointerProtocolGuid, NULL, (VOID**)&SimplePointerProtocol);
}
if (EFI_ERROR(Status)) {
MsgLog("No mouse driver found!\n");
if (PointerImage) {
delete PointerImage;
PointerImage = NULL;
}
MouseEvent = NoEvents;
SimplePointerProtocol = NULL;
gSettings.PointerEnabled = FALSE;
return Status;
}
if (PointerImage && !PointerImage->isEmpty() ) {
delete PointerImage;
PointerImage = nullptr;
}
// Now update image because of other theme has other image
#if USE_XTHEME
// XImage PointerImageX = ThemeX.GetIcon(BUILTIN_ICON_POINTER);
// PointerImage = &PointerImageX;
PointerImage = new XImage(ThemeX.GetIcon(BUILTIN_ICON_POINTER));
#else
PointerImage = new XImage(BuiltinIcon(BUILTIN_ICON_POINTER));
#endif
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oldImage.setSizeInPixels(PointerImage->GetWidth(), PointerImage->GetHeight());
LastClickTime = 0;
oldPlace.XPos = (INTN)(UGAWidth >> 2);
oldPlace.YPos = (INTN)(UGAHeight >> 2);
oldPlace.Width = PointerImage->GetWidth();
oldPlace.Height = PointerImage->GetHeight();
// CopyMem(&newPlace, &oldPlace, sizeof(EG_RECT));
newPlace = oldPlace;
Draw();
MouseEvent = NoEvents;
Alive = true;
return Status;
}
VOID XPointer::Draw()
{
oldPlace = newPlace;
// CopyMem(&oldPlace, &newPlace, sizeof(EG_RECT)); //can we use oldPlace = newPlace; ?
// take background image for later to restore background
newPlace.Width = PointerImage->GetWidth();
newPlace.Height = PointerImage->GetHeight();
oldImage.GetArea(newPlace); //GetArea will resize oldImage, so correct newPlace
newPlace.Width = oldImage.GetWidth();
newPlace.Height = oldImage.GetHeight();
PointerImage->Draw(newPlace.XPos, newPlace.YPos); //zero means no scale
}
VOID XPointer::KillMouse()
{
Alive = false;
if (!SimplePointerProtocol) {
return;
}
// DBG("KillMouse\n");
if (PointerImage) {
delete PointerImage;
PointerImage = nullptr;
}
MouseEvent = NoEvents;
SimplePointerProtocol = NULL;
}
VOID XPointer::UpdatePointer()
{
UINT64 Now;
EFI_STATUS Status;
EFI_SIMPLE_POINTER_STATE tmpState;
EFI_SIMPLE_POINTER_MODE *CurrentMode;
INTN ScreenRelX;
INTN ScreenRelY;
// Now = gRT->GetTime(&Now, NULL);
Now = AsmReadTsc();
Status = SimplePointerProtocol->GetState(SimplePointerProtocol, &tmpState);
if (!EFI_ERROR(Status)) {
if (!State.LeftButton && tmpState.LeftButton) // press left
MouseEvent = LeftMouseDown;
else if (!State.RightButton && tmpState.RightButton) // press right
MouseEvent = RightMouseDown;
else if (State.LeftButton && !tmpState.LeftButton) { //release left
// time for double click 500ms into menu
if (TimeDiff(LastClickTime, Now) < gSettings.DoubleClickTime)
MouseEvent = DoubleClick;
else
MouseEvent = LeftClick;
LastClickTime = Now;
}
else if (State.RightButton && !tmpState.RightButton) //release right
MouseEvent = RightClick;
else if (State.RelativeMovementZ > 0)
MouseEvent = ScrollDown;
else if (State.RelativeMovementZ < 0)
MouseEvent = ScrollUp;
else if (State.RelativeMovementX || State.RelativeMovementY)
MouseEvent = MouseMove;
else
MouseEvent = NoEvents;
CopyMem(&State, &tmpState, sizeof(State));
CurrentMode = SimplePointerProtocol->Mode;
ScreenRelX = (UGAWidth * State.RelativeMovementX * gSettings.PointerSpeed / (INTN)CurrentMode->ResolutionX) >> 10;
if (gSettings.PointerMirror) {
newPlace.XPos -= ScreenRelX;
}
else {
newPlace.XPos += ScreenRelX;
}
if (newPlace.XPos < 0) newPlace.XPos = 0;
if (newPlace.XPos > UGAWidth - 1) newPlace.XPos = UGAWidth - 1;
// YPosPrev = newPlace.YPos;
ScreenRelY = (UGAHeight * State.RelativeMovementY * gSettings.PointerSpeed / (INTN)CurrentMode->ResolutionY) >> 10;
newPlace.YPos += ScreenRelY;
if (newPlace.YPos < 0) newPlace.YPos = 0;
if (newPlace.YPos > UGAHeight - 1) newPlace.YPos = UGAHeight - 1;
if ( oldPlace != newPlace ) {
Hide();
Draw();
}
}
}
bool XPointer::MouseInRect(EG_RECT *Place)
{
return ((newPlace.XPos >= Place->XPos) &&
(newPlace.XPos < (Place->XPos + (INTN)Place->Width)) &&
(newPlace.YPos >= Place->YPos) &&
(newPlace.YPos < (Place->YPos + (INTN)Place->Height)));
}
EFI_STATUS XPointer::CheckMouseEvent(REFIT_MENU_SCREEN *Screen)
{
if (!Screen) {
return EFI_TIMEOUT;
}
EFI_STATUS Status = EFI_TIMEOUT;
Screen->mAction = ActionNone;
bool Move = false;
if (!IsDragging && MouseEvent == MouseMove)
MouseEvent = NoEvents;
if (Screen->ScrollEnabled){
if (MouseInRect(&UpButton) && MouseEvent == LeftClick)
Screen->mAction = ActionScrollUp;
else if (MouseInRect(&DownButton) && MouseEvent == LeftClick)
Screen->mAction = ActionScrollDown;
else if (MouseInRect(&Scrollbar) && MouseEvent == LeftMouseDown) {
IsDragging = TRUE;
Move = true;
// Screen->mAction = ActionMoveScrollbar;
ScrollbarYMovement = 0;
ScrollbarOldPointerPlace.XPos = ScrollbarNewPointerPlace.XPos = newPlace.XPos;
ScrollbarOldPointerPlace.YPos = ScrollbarNewPointerPlace.YPos = newPlace.YPos;
}
else if (IsDragging && MouseEvent == LeftClick) {
IsDragging = FALSE;
Move = true;
// Screen->mAction = ActionMoveScrollbar;
}
else if (IsDragging && MouseEvent == MouseMove) {
Screen->mAction = ActionMoveScrollbar;
ScrollbarNewPointerPlace.XPos = newPlace.XPos;
ScrollbarNewPointerPlace.YPos = newPlace.YPos;
}
else if (MouseInRect(&ScrollbarBackground) &&
MouseEvent == LeftClick) {
if (newPlace.YPos < Scrollbar.YPos) // up
Screen->mAction = ActionPageUp;
else // down
Screen->mAction = ActionPageDown;
// page up/down, like in OS X
}
else if (MouseEvent == ScrollDown) {
Screen->mAction = ActionScrollDown;
}
else if (MouseEvent == ScrollUp) {
Screen->mAction = ActionScrollUp;
}
}
if (!Screen->ScrollEnabled || (Screen->mAction == ActionNone && !Move) ) {
for (UINTN EntryId = 0; EntryId < Screen->Entries.size(); EntryId++) {
if (MouseInRect(&(Screen->Entries[EntryId].Place))) {
switch (MouseEvent) {
case LeftClick:
Screen->mAction = Screen->Entries[EntryId].AtClick;
// DBG("Click\n");
break;
case RightClick:
Screen->mAction = Screen->Entries[EntryId].AtRightClick;
break;
case DoubleClick:
Screen->mAction = Screen->Entries[EntryId].AtDoubleClick;
break;
case ScrollDown:
Screen->mAction = ActionScrollDown;
break;
case ScrollUp:
Screen->mAction = ActionScrollUp;
break;
case MouseMove:
Screen->mAction = Screen->Entries[EntryId].AtMouseOver;
//how to do the action once?
break;
default:
Screen->mAction = ActionNone;
break;
}
Screen->mItemID = EntryId;
break;
}
else { //click in milk
switch (MouseEvent) {
case LeftClick:
Screen->mAction = ActionDeselect;
break;
case RightClick:
Screen->mAction = ActionFinish;
break;
case ScrollDown:
Screen->mAction = ActionScrollDown;
break;
case ScrollUp:
Screen->mAction = ActionScrollUp;
break;
default:
Screen->mAction = ActionNone;
break;
}
Screen->mItemID = 0xFFFF;
}
}
}
if (Screen->mAction != ActionNone) {
Status = EFI_SUCCESS;
MouseEvent = NoEvents; //clear event as set action
}
return Status;
}