125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
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#include "./ml_rating.h"
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#include <commctrl.h>
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#define IMAGE_PARTSCOUNT 4
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BOOL MLRatingI_Draw(HDC hdc, INT maxValue, INT value, INT trackingVal, HMLIMGLST hmlil, INT index, RECT *prc, UINT fStyle)
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{
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INT ilIndex;
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if (!hdc || !hmlil || !prc) return FALSE;
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if (RDS_OPAQUE_I & fStyle) ExtTextOutW(hdc, 0, 0, ETO_OPAQUE, prc, L"", 0, 0);
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ilIndex = MLImageListI_GetRealIndex(hmlil, index, GetBkColor(hdc), GetTextColor(hdc));
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if (-1 != ilIndex)
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{
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INT val, count;
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static IMAGELISTDRAWPARAMS ildp = { 56/*sizeof(IMAGELISTDRAWPARAMS)*/, 0, };
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ildp.hdcDst = hdc;
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ildp.himl = MLImageListI_GetRealList(hmlil);
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ildp.i = ilIndex;
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ildp.x = prc->left;
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ildp.y = prc->top;
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ildp.rgbBk = CLR_DEFAULT;
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ildp.rgbFg = CLR_DEFAULT;
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ildp.fStyle = ILD_NORMAL;
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ildp.dwRop = SRCCOPY;
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MLImageListI_GetImageSize(hmlil, &ildp.cx, &ildp.cy);
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val = (value < 0) ? 0 : value;
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count = ((RDS_SHOWEMPTY_I & fStyle) ? maxValue : (((RDS_HOT_I & fStyle) && trackingVal > val) ? trackingVal : val));
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if (count < 0) count = 0;
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ildp.cx = ildp.cx/IMAGE_PARTSCOUNT;
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ildp.xBitmap = ((RDS_HOT_I & fStyle) ? (ildp.cx*2) : (RDS_INACTIVE_HOT_I & fStyle) ? ildp.cx*2 : 0) + ildp.cx;
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if(RDS_RIGHT_I & fStyle) ildp.x = prc->right - maxValue*ildp.cx;
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if(RDS_HCENTER_I & fStyle) ildp.x = prc->left + (prc->right - prc->left - maxValue*ildp.cx)/2;
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if(RDS_BOTTOM_I & fStyle) ildp.y = prc->bottom - ildp.cy;
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if(RDS_VCENTER_I & fStyle) ildp.y = prc->top + (prc->bottom - prc->top - ildp.cy)/2;
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if (ildp.y < prc->top)
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{
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ildp.yBitmap = prc->top - ildp.y;
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ildp.y = prc->top;
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}
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else ildp.yBitmap = 0;
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if (ildp.cy > (prc->bottom - ildp.y)) ildp.cy = prc->bottom - ildp.y;
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for (INT i = 0; ildp.x < prc->right && i < count; i++, ildp.x += ildp.cx)
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{
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if (RDS_HOT_I & fStyle)
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{
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if (i == trackingVal) ildp.xBitmap -= ildp.cx * ((val > trackingVal) ? 2 : 1);
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else if (i == val && val > trackingVal) ildp.xBitmap += ildp.cx;
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}
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else
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{
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if (i == val) ildp.xBitmap -= ildp.cx;
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}
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if (ildp.x < (prc->left - ildp.cx)) continue;
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if (prc->right < (ildp.x + ildp.cx)) ildp.cx = prc->right - ildp.x;
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ImageList_DrawIndirect(&ildp);
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}
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}
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return TRUE;
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}
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LONG MLRatingI_HitTest(POINT pt, INT maxValue, HMLIMGLST hmlil, RECT *prc, UINT fStyle)
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{
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INT imageCX, imageCY, imageX, imageY;
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WORD index, flags;
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if (!hmlil || !prc) return MAKELONG(0,0);
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if (!PtInRect(prc, pt)) return MAKELONG(0, RHT_NOWHERE_I);
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MLImageListI_GetImageSize(hmlil, &imageCX, &imageCY);
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imageCX = imageCX/IMAGE_PARTSCOUNT;
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imageX = prc->left;
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if(RDS_RIGHT_I & fStyle) imageX = prc->right - maxValue*imageCX;
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if(RDS_HCENTER_I & fStyle) imageX = prc->left + (prc->right - prc->left - maxValue*imageCX)/2;
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imageY = prc->top;
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if(RDS_BOTTOM_I & fStyle) imageY = prc->bottom - imageCY;
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if(RDS_VCENTER_I & fStyle) imageY = prc->top + (prc->bottom - prc->top - imageCY)/2;
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if (imageY < prc->top) imageY = prc->top;
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if (imageCY > (prc->bottom - imageY)) imageCY = prc->bottom - imageY;
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flags = 0;
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index = 0;
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if (pt.x < imageX) flags |= RHT_TOLEFT_I;
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else if (pt.x > (imageX + imageCX*maxValue)) flags |= RHT_TORIGHT_I;
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else
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{
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flags |= RHT_ONVALUE_I;
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if (pt.y < imageY) flags |= RHT_ONVALUEABOVE_I;
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else if (pt.y > (imageY + imageCY)) flags |= RHT_ONVALUEBELOW_I;
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index = (WORD)(pt.x - imageX)/imageCX + 1;
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if (index > maxValue) index = maxValue;
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}
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return MAKELONG(index, flags);
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}
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BOOL MLRatingI_CalcMinRect(INT maxValue, HMLIMGLST hmlil, RECT *prc)
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{
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INT imageCX, imageCY;
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if (!hmlil || !prc || !MLImageListI_GetImageSize(hmlil, &imageCX, &imageCY)) return FALSE;
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SetRect(prc, 0, 0, maxValue*imageCX/IMAGE_PARTSCOUNT, imageCY);
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return TRUE;
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}
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