+++ /dev/null
-//
-// CardLib - CardRegion mouse-related stuff
-//
-// Freeware
-// Copyright J Brown 2001
-//
-
-#include "cardlib.h"
-
-#include <math.h>
-
-#if 1
-#define TRACE(s)
-#else
-#define TRACE(s) printf("%s(%i): %s",__FILE__,__LINE__,s)
-#endif
-
-double __CARDZOOMSPEED = 32;
-
-int ClipCard(HDC hdc, int x, int y, int width, int height);
-void DrawCard(HDC hdc, int x, int y, HDC hdcSource, int width, int height);
-
-#ifdef _DEBUG
-
-static pDebugClickProc DebugStackClickProc = 0;
-
-void CardLib_SetStackClickProc(pDebugClickProc proc)
-{
- DebugStackClickProc = proc;
-}
-
-#endif
-
-CardRegion *CardWindow::GetBestStack(int x, int y, int w, int h)
-{
- int maxoverlap = 0;
- int maxoverlapidx = -1;
-
- //find the stack which is most covered by the dropped
- //cards. Only include those which allow drops.
- //
- for(int i = 0; i < nNumCardRegions; i++)
- {
- int percent = Regions[i]->GetOverlapRatio(x, y, w, h);
-
- //if this stack has the biggest coverage yet
- if(percent > maxoverlap && Regions[i]->IsVisible())
- {
- maxoverlap = percent;
- maxoverlapidx = i;
- }
- }
-
- //if we found a stack to drop onto
- if(maxoverlapidx != -1)
- {
- return Regions[maxoverlapidx];
- }
- else
- {
- return 0;
- }
-}
-
-bool CardRegion::IsPointInStack(int x, int y)
-{
- int axpos = xoffset < 0 ? xpos + (nNumApparentCards-1)*xoffset : xpos;
- int aypos = yoffset < 0 ? ypos + (nNumApparentCards-1)*yoffset : ypos;
-
- if(x >= axpos && x < axpos + width && y >= aypos && y < aypos + height && fVisible)
- return true;
- else
- return false;
-}
-
-int CardRegion::GetNumDragCards(int x, int y)
-{
- int cardindex = 0; //index from stack start
- int maxidx;
-
- //make x,y relative to the stack's upper left corner
- x -= xpos + (xoffset < 0 ? (nNumApparentCards/*cardstack.NumCards()*/ - 1) * xoffset : 0);
- y -= ypos + (yoffset < 0 ? (nNumApparentCards/*cardstack.NumCards()*/ - 1) * yoffset : 0);
-
- //if stack is empty, cannot drag any cards from it
- if(cardstack.NumCards() <= 0)
- return 0;
-
- //see which card in the stack has been clicked on
- //top-bottom ordering
- if(yoffset > 0)
- {
- if(y < height - __cardheight)
- cardindex = y / yoffset;
- else
- cardindex = cardstack.NumCards() - 1;
- }
- else if(yoffset < 0)
- {
- if(y < __cardheight)
- cardindex = cardstack.NumCards() - 1;
- else
- cardindex = cardstack.NumCards() - ((y - __cardheight) / -yoffset) - 2;
- }
- else //yoffset == 0
- {
- cardindex = cardstack.NumCards() - 1;
- }
-
- maxidx = cardindex;
-
- //if left-right
- if(xoffset > 0)
- {
- if(x < width - __cardwidth)
- cardindex = x / xoffset;
- else
- cardindex = cardstack.NumCards() - 1;
- }
- else if(xoffset < 0)
- {
- if(x < __cardwidth)
- cardindex = cardstack.NumCards() - 1;
- else
- cardindex = cardstack.NumCards() - ((x - __cardwidth) / -xoffset) - 2;
- }
- else
- {
- cardindex = cardstack.NumCards() - 1;
- }
-
- if(cardindex > maxidx) cardindex = maxidx;
-
- if(cardindex > cardstack.NumCards())
- cardindex = 1;
-
- //if are trying to drag too many cards at once
- return cardstack.NumCards() - cardindex;
-}
-
-bool CardRegion::CanDragCards(int iNumCards)
-{
- if(iNumCards <= 0) return false;
- if(nThreedCount > 1 && iNumCards > 1) return false;
-
- if(WaitForSingleObject(mxlock, 0) != WAIT_OBJECT_0)
- {
-// TRACE("Failed to gain access to card stack\n");
- return false;
- }
-
- ReleaseMutex(mxlock);
-
- switch(uDragRule)
- {
- case CS_DRAG_ALL:
- return true;
-
- case CS_DRAG_TOP:
-
- if(iNumCards == 1)
- return true;
- else
- return false;
-
- case CS_DRAG_NONE:
- return false;
-
- case CS_DRAG_CALLBACK:
-
- if(CanDragCallback)
- {
- return CanDragCallback(*this, iNumCards);
- }
- else
- {
- return false;
- }
-
- default:
- return false;
- }
-}
-
-bool CardRegion::CanDropCards(CardStack &cards)
-{
- if(WaitForSingleObject(mxlock, 0) != WAIT_OBJECT_0)
- {
- return false;
- }
-
- ReleaseMutex(mxlock);
-
- switch(uDropRule)
- {
- case CS_DROP_ALL:
- return true;
-
- case CS_DROP_NONE:
- return false;
-
- case CS_DROP_CALLBACK:
-
- if(CanDropCallback)
- {
- return CanDropCallback(*this, cards);
- }
- else
- {
- return false;
- }
-
- default:
- return false;
- }
-}
-
-bool CardRegion::OnLButtonDblClk(int x, int y)
-{
- iNumDragCards = GetNumDragCards(x, y);
-
- if(DblClickCallback)
- DblClickCallback(*this, iNumDragCards);
-
- return true;
-}
-
-bool CardRegion::OnLButtonDown(int x, int y)
-{
- iNumDragCards = GetNumDragCards(x, y);
-
-#ifdef _DEBUG
- if(DebugStackClickProc)
- {
- if(!DebugStackClickProc(*this))
- return false;
- }
-#endif
-
- if(ClickCallback)
- ClickCallback(*this, iNumDragCards);
-
- if(CanDragCards(iNumDragCards) != false)
- {
-
- //offset of the mouse cursor relative to the top-left corner
- //of the cards that are being dragged
- mousexoffset = x - xpos - xoffset * (nNumApparentCards - iNumDragCards);
- mouseyoffset = y - ypos - yoffset * (nNumApparentCards - iNumDragCards);
-
- if(xoffset < 0)
- mousexoffset += -xoffset * (iNumDragCards - 1);
-
- if(yoffset < 0)
- mouseyoffset += -yoffset * (iNumDragCards - 1);
-
- //remove the cards from the source stack
- dragstack = cardstack.Pop(iNumDragCards);
-
- //prepare the back buffer, and the drag image
- PrepareDragBitmaps(iNumDragCards);
-
- oldx = x - mousexoffset;
- oldy = y - mouseyoffset;
-
- Update(); //Update this stack's card count + size
-
- SetCapture((HWND)parentWnd);
-
- //set AFTER settings the dragstack...
- fMouseDragging = true;
-
- return true;
- }
-
- return false;
-}
-
-void CardRegion::ClickRelease(int x, int y)
-{
- iNumDragCards = GetNumDragCards(x, y);
-
- if (ClickReleaseCallback)
- ClickReleaseCallback(*this, iNumDragCards);
-}
-
-bool CardRegion::OnLButtonUp(int x, int y)
-{
- CardRegion *pDestStack = 0;
- HDC hdc;
- int dropstackid = CS_DROPZONE_NODROP;
-
- RECT dragrect;
- DropZone *dropzone;
-
- fMouseDragging = false;
-
- //first of all, see if any drop zones have been registered
- SetRect(&dragrect, x-mousexoffset, y-mouseyoffset, x-mousexoffset+nDragCardWidth, y-mouseyoffset+nDragCardHeight);
-
- dropzone = parentWnd.GetDropZoneFromRect(&dragrect);
-
- if(dropzone)
- {
- dropstackid = dropzone->DropCards(dragstack);
-
- if(dropstackid != CS_DROPZONE_NODROP)
- pDestStack = parentWnd.CardRegionFromId(dropstackid);
- else
- pDestStack = 0;
- }
- else
- {
- pDestStack = parentWnd.GetBestStack(x - mousexoffset, y - mouseyoffset, nDragCardWidth, nDragCardHeight);
- }
-
- // If have found a stack to drop onto
- //
- TRACE ( "can I drop card?\n" );
- if(pDestStack && pDestStack->CanDropCards(dragstack))
- {
- TRACE ( "yes, dropping card\n" );
- hdc = GetDC((HWND)parentWnd);
- // UseNicePalette(hdc);
- ZoomCard(hdc, x - mousexoffset, y - mouseyoffset, pDestStack);
- ReleaseDC((HWND)parentWnd, hdc);
-
- //
- //add the cards to the destination stack
- //
- CardStack temp = pDestStack->GetCardStack();
- temp.Push(dragstack);
-
- pDestStack->SetCardStack(temp);
-// pDestStack->Update(); //Update this stack's card count + size
-// pDestStack->UpdateFaceDir(temp);
-
- // Call the remove callback on THIS stack, if one is specified
- //
- if(RemoveCallback)
- RemoveCallback(*this, iNumDragCards);
-
- // Call the add callback, if one is specified
- //
- if(pDestStack->AddCallback)
- pDestStack->AddCallback(*pDestStack, pDestStack->cardstack);//index, deststack->numcards);
-
- RedrawIfNotDim(pDestStack, true);
- TRACE ( "done dropping card\n" );
- }
-
- //
- // Otherwise, let the cards snap back onto this stack
- //
- else
- {
- TRACE ( "no, putting card back\n" );
- hdc = GetDC((HWND)parentWnd);
- TRACE ( "calling ZoomCard()\n" );
- ZoomCard(hdc, x - mousexoffset, y - mouseyoffset, this);
- TRACE ( "cardstack += dragstack\n" );
- cardstack += dragstack;
- TRACE ( "calling ReleaseDC()\n" );
- ReleaseDC((HWND)parentWnd, hdc);
-
- TRACE ( "calling Update()\n" );
- Update(); //Update this stack's card count + size
- TRACE ( "done putting card back\n" );
- }
-
- ReleaseDragBitmaps();
- ReleaseCapture();
-
- TRACE ( "OnLButtonUp() done\n" );
- return true;
-}
-
-bool CardRegion::OnMouseMove(int x, int y)
-{
- HDC hdc;
-
- hdc = GetDC((HWND)parentWnd);
-
- x -= mousexoffset;
- y -= mouseyoffset;
-
- MoveDragCardTo(hdc, x, y);
-
- //BitBlt(hdc, nDragCardWidth+10, 0, nDragCardWidth, nDragCardHeight, hdcBackGnd, 0, 0, SRCCOPY);
- //BitBlt(hdc, 0, 0, nDragCardWidth, nDragCardHeight, hdcDragCard, 0, 0, SRCCOPY);
-
- ReleaseDC((HWND)parentWnd, hdc);
-
- oldx = x;
- oldy = y;
-
- return true;
-}
-
-//
-// There is a bug in BitBlt when the source x,y
-// become < 0. So this wrapper function simply adjusts
-// the coords so that we never try to blt in from this range
-//
-BOOL ClippedBitBlt(HDC hdcDest, int x, int y, int width, int height, HDC hdcSrc, int srcx, int srcy, DWORD dwROP)
-{
- if(srcx < 0)
- {
- x = 0 - srcx;
- width = width + srcx;
- srcx = 0;
- }
-
- if(srcy < 0)
- {
- y = 0 - srcy;
- height = height + srcy;
- srcy = 0;
- }
-
- return BitBlt(hdcDest, x, y, width, height, hdcSrc, srcx, srcy, dwROP);
-}
-
-void CardRegion::MoveDragCardTo(HDC hdc, int x, int y)
-{
- RECT inter, rect1, rect2;
-
- //mask off the new position of the drag-card, so
- //that it will not be painted over
- ClipCard(hdc, x, y, nDragCardWidth, nDragCardHeight);
-
- //restore the area covered by the card at its previous position
- BitBlt(hdc, oldx, oldy, nDragCardWidth, nDragCardHeight, hdcBackGnd, 0, 0, SRCCOPY);
-
- //remove clipping so we can draw the card at its new place
- SelectClipRgn(hdc, NULL);
-
- //if the card's old and new positions overlap, then we
- //need some funky code to update the "saved background" image,
- SetRect(&rect1, oldx, oldy, oldx+nDragCardWidth, oldy+nDragCardHeight);
- SetRect(&rect2, x, y, x+nDragCardWidth, y+nDragCardHeight);
-
- if(IntersectRect(&inter, &rect1, &rect2))
- {
- int interwidth = inter.right-inter.left;
- int interheight = inter.bottom-inter.top;
- int destx, desty, srcx, srcy;
-
- if(rect2.left > rect1.left)
- {
- destx = 0; srcx = nDragCardWidth - interwidth;
- }
- else
- {
- destx = nDragCardWidth - interwidth; srcx = 0;
- }
-
- if(rect2.top > rect1.top)
- {
- desty = 0; srcy = nDragCardHeight - interheight;
- }
- else
- {
- desty = nDragCardHeight - interheight; srcy = 0;
- }
-
- //shift the bit we didn't use for the restore (due to the clipping)
- //into the opposite corner
- BitBlt(hdcBackGnd, destx,desty, interwidth, interheight, hdcBackGnd, srcx, srcy, SRCCOPY);
-
- ExcludeClipRect(hdcBackGnd, destx, desty, destx+interwidth, desty+interheight);
-
- //this bit requires us to clip the BitBlt (from screen to background)
- //as BitBlt is a bit buggy it seems
- ClippedBitBlt(hdcBackGnd, 0,0, nDragCardWidth, nDragCardHeight, hdc, x, y, SRCCOPY);
- SelectClipRgn(hdcBackGnd, NULL);
- }
- else
- {
- BitBlt(hdcBackGnd, 0,0, nDragCardWidth, nDragCardHeight, hdc, x, y, SRCCOPY);
- }
-
- //finally draw the card to the screen
- DrawCard(hdc, x, y, hdcDragCard, nDragCardWidth, nDragCardHeight);
-}
-
-
-//extern "C" int _fltused(void) { return 0; }
-//extern "C" int _ftol(void) { return 0; }
-
-//
-// Better do this in fixed-point, to stop
-// VC from linking in floatingpoint-long conversions
-//
-//#define FIXED_PREC_MOVE
-#ifdef FIXED_PREC_MOVE
-#define PRECISION 12
-void ZoomCard(HDC hdc, int xpos, int ypos, CARDSTACK *dest)
-{
- long dx, dy, x , y;
-
-
- int apparentcards;
- x = xpos << PRECISION; y = ypos << PRECISION;
-
- oldx = (int)xpos;
- oldy = (int)ypos;
-
- apparentcards=dest->numcards/dest->threedcount;
-
- int idestx = dest->xpos + dest->xoffset * (apparentcards);// - iNumDragCards);
- int idesty = dest->ypos + dest->yoffset * (apparentcards);// - iNumDragCards);
-
- //normalise the motion vector
- dx = (idestx<<PRECISION) - x;
- dy = (idesty<<PRECISION) - y;
- long recip = (1 << PRECISION) / 1;//sqrt(dx*dx + dy*dy);
-
- dx *= recip * 16;//CARDZOOMSPEED;
- dy *= recip * 16;//CARDZOOMSPEED;
-
- //if(dx < 0) dxinc = 1.001; else
-
- for(;;)
- {
- int ix, iy;
- x += dx;
- y += dy;
-
- ix = (int)x>>PRECISION;
- iy = (int)y>>PRECISION;
- if(dx < 0 && ix < idestx) ix = idestx;
- else if(dx > 0 && ix > idestx) ix = idestx;
-
- if(dy < 0 && iy < idesty) iy = idesty;
- else if(dy > 0 && iy > idesty) iy = idesty;
-
- MoveDragCardTo(hdc, ix, iy);
-
- if(ix == idestx && iy == idesty)
- break;
-
- oldx = (int)x >> PRECISION;
- oldy = (int)y >> PRECISION;
-
- //dx *= 1.2;
- //dy *= 1.2;
-
- Sleep(10);
- }
-}
-#else
-void CardRegion::ZoomCard(HDC hdc, int xpos, int ypos, CardRegion *pDestStack)
-{
- TRACE ( "ENTER ZoomCard()\n" );
- double dx, dy, x ,y;
- int apparentcards;
- x = (double)xpos; y = (double)ypos;
-
- oldx = (int)x;
- oldy = (int)y;
-
- apparentcards = pDestStack->cardstack.NumCards() / pDestStack->nThreedCount;
-
- int idestx = pDestStack->xpos + pDestStack->xoffset * (apparentcards);
- int idesty = pDestStack->ypos + pDestStack->yoffset * (apparentcards);
-
- if(pDestStack->yoffset < 0)
- idesty += pDestStack->yoffset * (iNumDragCards-1);
-
- if(pDestStack->xoffset < 0)
- idestx += pDestStack->xoffset * (iNumDragCards-1);
-
- //normalise the motion vector
- dx = idestx - x;
- dy = idesty - y;
- if ( fabs(dx) + fabs(dy) < 0.001f )
- {
- MoveDragCardTo(hdc, idestx, idesty);
- return;
- }
- double recip = 1.0 / sqrt(dx*dx + dy*dy);
- dx *= recip * __CARDZOOMSPEED; dy *= recip * __CARDZOOMSPEED;
-
- //if(dx < 0) dxinc = 1.001; else
-
- for(;;)
- {
- bool attarget = true;
- int ix, iy;
- x += dx;
- y += dy;
-
- ix = (int)x;
- iy = (int)y;
-
- if(dx < 0.0 && ix < idestx) ix = idestx;
- else if(dx > 0.0 && ix > idestx) ix = idestx;
- else attarget = false;
-
- if(dy < 0.0 && iy < idesty) iy = idesty;
- else if(dy > 0.0 && iy > idesty) iy = idesty;
- else attarget = false;
-
- //if the target stack wants the drag cards drawn differently
- //to how they are, then redraw the drag card image just before
- //the cards land
- /*if(attarget == true)
- {
- for(int i = 0; i < iNumDragCards; i++)
- {
- int xdraw = pDestStack->xoffset*i;
- int ydraw = pDestStack->yoffset*i;
-
- if(pDestStack->yoffset < 0)
- ydraw = -pDestStack->yoffset * (iNumDragCards-i-1);
- if(pDestStack->xoffset < 0)
- xdraw = -pDestStack->xoffset * (iNumDragCards-i-1);
-
- if(pDestStack->facedirection == CS_FACEUP &&
- pDestStack->numcards+i >= dest->numfacedown)
- {
- //cdtDraw(hdcDragCard, xdraw, ydraw, iDragCards[i], ectFACES, 0);
- }
- else
- {
- //cdtDraw(hdcDragCard, xdraw, ydraw, CARDSTACK::backcard, ectBACKS, 0);
- }
- }
- }*/
-
- MoveDragCardTo(hdc, ix, iy);
-
- if(attarget || (ix == idestx && iy == idesty))
- break;
-
- oldx = (int)x;
- oldy = (int)y;
-
- //dx *= 1.2;
- //dy *= 1.2;
-
- Sleep(10);
- }
- TRACE ( "EXIT ZoomCard()\n" );
-}
-#endif
projects / reactos.git / blobdiff