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#include <windows.h>
#include <windowsx.h>
#include <malloc.h>
#include <string.h>
#include "debug.h"
#include "HierFile.h"
VOID HierFile_DrawTerm(LPHEIRDRAWSTRUCT lpHierFileStruct) { if (lpHierFileStruct->hbmIcons1) { if (lpHierFileStruct->hbmMem1) SelectObject(lpHierFileStruct->hdcMem1, lpHierFileStruct->hbmMem1); lpHierFileStruct->hbmMem1 = NULL; DeleteObject(lpHierFileStruct->hbmIcons1); lpHierFileStruct->hbmIcons1 = NULL; }
if ( lpHierFileStruct->hdcMem1 ) { DeleteDC(lpHierFileStruct->hdcMem1); lpHierFileStruct->hdcMem1 = NULL; }
if (lpHierFileStruct->hbmIcons2) { if (lpHierFileStruct->hbmMem2) SelectObject(lpHierFileStruct->hdcMem2, lpHierFileStruct->hbmMem2); lpHierFileStruct->hbmMem2 = NULL; DeleteObject(lpHierFileStruct->hbmIcons2); lpHierFileStruct->hbmIcons2 = NULL; }
if ( lpHierFileStruct->hdcMem2 ) { DeleteDC(lpHierFileStruct->hdcMem2); lpHierFileStruct->hdcMem2 = NULL; }
} // HierFile_DrawTerm
VOID HierFile_DrawCloseAll(LPHEIRDRAWSTRUCT lpHierFileStruct ) { lpHierFileStruct->NumOpened= 0; if ( lpHierFileStruct->Opened ) { _ffree(lpHierFileStruct->Opened); } lpHierFileStruct->Opened = NULL;} // HierFile_DrawCloseAll
VOID HierFile_OnMeasureItem(HWND hwnd, MEASUREITEMSTRUCT FAR* lpMeasureItem, LPHEIRDRAWSTRUCT lpHierFileStruct) { lpMeasureItem->itemHeight = max(lpHierFileStruct->nBitmapHeight1, lpHierFileStruct->nTextHeight);} // HierFile_OnMeasureItem
VOID HierFile_DrawSetTextHeight (HWND hwndList, HFONT hFont, LPHEIRDRAWSTRUCT lpHierFileStruct ) { TEXTMETRIC TextMetrics; HANDLE hOldFont=NULL; HDC hdc;
//
// This sure looks like a lot of work to find the character height
//
hdc = GetDC(hwndList);
hOldFont = SelectObject(hdc, hFont); GetTextMetrics(hdc, &TextMetrics); SelectObject(hdc, hOldFont); ReleaseDC(hwndList, hdc);
lpHierFileStruct->nTextHeight = TextMetrics.tmHeight;
lpHierFileStruct->nLineHeight = max(lpHierFileStruct->nBitmapHeight1, lpHierFileStruct->nTextHeight);
if ( hwndList != NULL ) SendMessage(hwndList, LB_SETITEMHEIGHT, 0, MAKELPARAM(lpHierFileStruct->nLineHeight, 0));} // HierFile_DrawSetTextHeight
static DWORD near RGB2BGR(DWORD rgb) { return RGB(GetBValue(rgb),GetGValue(rgb),GetRValue(rgb));} // RGB2BGR
/*
* Creates the objects used while drawing the tree. This may be called * repeatedly in the event of a WM_SYSCOLORCHANGED message. */
BOOL HierFile_DrawInit(HINSTANCE hInstance, int nBitmap1, int nBitmap2, int nRows, int nColumns, BOOL bLines, LPHEIRDRAWSTRUCT lpHierFileStruct, BOOL bInit) { HANDLE hRes; HANDLE hResMem; LPBITMAPINFOHEADER lpbiReadOnly; LPBITMAPINFOHEADER lpbiReadWrite; DWORD FAR * lpColorTable; LPSTR lpBits; int biSize; int bc; HDC hDC;
if ( bInit ) { lpHierFileStruct->NumOpened = 0; lpHierFileStruct->Opened = NULL; lpHierFileStruct->bLines = bLines; }
// If the Memory DC is not created yet do that first.
if (!lpHierFileStruct->hdcMem1) {
// get a screen DC
hDC = GetDC(NULL);
// Create a memory DC compatible with the screen
lpHierFileStruct->hdcMem1 = CreateCompatibleDC(hDC);
// Release the Screen DC
ReleaseDC(NULL, hDC);
if (!lpHierFileStruct->hdcMem1) return FALSE;
lpHierFileStruct->hbmMem1 = NULL; }
// If the Memory DC is not created yet do that first.
if (!lpHierFileStruct->hdcMem2) {
// get a screen DC
hDC = GetDC(NULL);
// Create a memory DC compatible with the screen
lpHierFileStruct->hdcMem2 = CreateCompatibleDC(hDC);
// Release the Screen DC
ReleaseDC(NULL, hDC);
if (!lpHierFileStruct->hdcMem2) return FALSE;
lpHierFileStruct->hbmMem2 = NULL; }
/*+----------------------------------------------------------------------------------+
| For First Bitmap | +----------------------------------------------------------------------------------+*/
// (Re)Load the Bitmap ( original from disk )
// Use the FindResource,LoadResource,LockResource since it makes it easy to get the
// pointer to the BITMAPINFOHEADER we need.
hRes = FindResource(hInstance, MAKEINTRESOURCE(nBitmap1), RT_BITMAP); if (!hRes) return FALSE;
hResMem = LoadResource(hInstance, hRes); if (!hResMem) return FALSE;
// Now figure out the bitmaps background color.
// This code assumes the lower left corner is a
// bit in the background color.
lpbiReadOnly = (LPBITMAPINFOHEADER)LockResource(hResMem); if (!lpbiReadOnly) return FALSE;
// Determine size of bitmap information header plus color table entries
biSize = lpbiReadOnly->biSize + ((1 << (lpbiReadOnly->biBitCount)) * sizeof(RGBQUAD));
// Allocate copy of the bitmap information to munge on
lpbiReadWrite = (LPBITMAPINFOHEADER)GlobalAlloc(GPTR, biSize); if (!lpbiReadWrite) return FALSE;
memcpy(lpbiReadWrite, lpbiReadOnly, biSize);
// Color table immediately follows bitmap information header
lpColorTable = (DWORD FAR *)((LPBYTE)lpbiReadWrite + lpbiReadWrite->biSize);
// No need to munge bits so use original
lpBits = (LPBYTE)lpbiReadOnly + biSize;
bc = (lpBits[0] & 0xF0) >> 4; // ASSUMES LOWER LEFT CORNER IS BG!!
lpColorTable[bc] = RGB2BGR(GetSysColor(COLOR_WINDOW));
hDC = GetDC(NULL); lpHierFileStruct->hbmIcons1 = CreateDIBitmap( hDC, lpbiReadWrite, CBM_INIT, lpBits, (LPBITMAPINFO)lpbiReadWrite, DIB_RGB_COLORS ); ReleaseDC(NULL, hDC);
lpHierFileStruct->nBitmapHeight1 = (WORD)lpbiReadWrite->biHeight / nRows; lpHierFileStruct->nBitmapWidth1 = (WORD)lpbiReadWrite->biWidth / nColumns;
lpHierFileStruct->nLineHeight = max(lpHierFileStruct->nBitmapHeight1, lpHierFileStruct->nTextHeight);
GlobalFree(lpbiReadWrite); UnlockResource(hResMem); FreeResource(hResMem);
if (!lpHierFileStruct->hbmIcons1) return FALSE;
lpHierFileStruct->hbmMem1 = SelectObject(lpHierFileStruct->hdcMem1, lpHierFileStruct->hbmIcons1); if (!lpHierFileStruct->hbmMem1) return FALSE;
/*+----------------------------------------------------------------------+
| For Second Bitmap | +----------------------------------------------------------------------+*/
// (Re)Load the Bitmap ( original from disk )
hRes = FindResource(hInstance, MAKEINTRESOURCE(nBitmap2), RT_BITMAP); if (!hRes) return FALSE;
hResMem = LoadResource(hInstance, hRes); if (!hResMem) return FALSE;
// Now figure out the bitmaps background color.
// This code assumes the lower left corner is a
// bit in the background color.
lpbiReadOnly = (LPBITMAPINFOHEADER) LockResource(hResMem); if (!lpbiReadOnly) return FALSE;
// Determine size of bitmap information header plus color table entries
biSize = lpbiReadOnly->biSize + ((1 << (lpbiReadOnly->biBitCount)) * sizeof(RGBQUAD));
// Allocate copy of the bitmap information to munge on
lpbiReadWrite = (LPBITMAPINFOHEADER)GlobalAlloc(GPTR, biSize); if (!lpbiReadWrite) return FALSE;
memcpy(lpbiReadWrite, lpbiReadOnly, biSize);
// Color table immediately follows bitmap information header
lpColorTable = (DWORD FAR *)((LPBYTE)lpbiReadWrite + lpbiReadWrite->biSize);
// No need to munge bits so use original
lpBits = (LPBYTE)lpbiReadOnly + biSize;
bc = (lpBits[0] & 0xF0) >> 4; // ASSUMES LOWER LEFT CORNER IS BG!!
lpColorTable[bc] = RGB2BGR(GetSysColor(COLOR_WINDOW));
hDC = GetDC(NULL); lpHierFileStruct->hbmIcons2 = CreateDIBitmap( hDC, lpbiReadWrite, CBM_INIT, lpBits, (LPBITMAPINFO)lpbiReadWrite, DIB_RGB_COLORS ); ReleaseDC(NULL, hDC);
// These are hard-coded as 1 row and 3 columns for the checkbox bitmap
lpHierFileStruct->nBitmapHeight2 = (WORD)lpbiReadWrite->biHeight / 1; lpHierFileStruct->nBitmapWidth2 = (WORD)lpbiReadWrite->biWidth / 3;
GlobalFree(lpbiReadWrite); UnlockResource(hResMem); FreeResource(hResMem);
if (!lpHierFileStruct->hbmIcons2) return FALSE;
lpHierFileStruct->hbmMem2 = SelectObject(lpHierFileStruct->hdcMem2, lpHierFileStruct->hbmIcons2); if (!lpHierFileStruct->hbmMem2) return FALSE;
return TRUE;} // HierFile_DrawInit
BOOL HierFile_InCheck(int nLevel, int xPos, LPHEIRDRAWSTRUCT lpHierFileStruct) { WORD wIndent;
wIndent = ((int)(nLevel) * lpHierFileStruct->nBitmapWidth1) + XBMPOFFSET;
if ((xPos > wIndent) && (xPos < wIndent + lpHierFileStruct->nBitmapWidth2)) return TRUE;
return FALSE;
} // HierFile_InCheck
VOID HierFile_OnDrawItem(HWND hwnd, const DRAWITEMSTRUCT FAR* lpDrawItem, int nLevel, DWORD dwConnectLevel, TCHAR *szText, int nRow, int nColumn, int nColumn2, LPHEIRDRAWSTRUCT lpHierFileStruct) { HDC hDC; WORD wIndent, wTopBitmap, wTopText; RECT rcTemp;
if ( lpDrawItem->itemID == (UINT)-1 ) return ;
hDC = lpDrawItem->hDC; CopyRect(&rcTemp, &lpDrawItem->rcItem);
wIndent = (WORD)(rcTemp.left + ((int)(nLevel) * lpHierFileStruct->nBitmapWidth1) + XBMPOFFSET); rcTemp.left = wIndent + lpHierFileStruct->nBitmapWidth1 + lpHierFileStruct->nBitmapWidth2; wTopText = (WORD)(rcTemp.top + ((rcTemp.bottom - rcTemp.top) / 2) - (lpHierFileStruct->nTextHeight / 2)); wTopBitmap = (WORD)(rcTemp.top + ((rcTemp.bottom - rcTemp.top) / 2) - (lpHierFileStruct->nBitmapHeight1 / 2));
if (lpDrawItem->itemAction == ODA_FOCUS) goto DealWithFocus; else if (lpDrawItem->itemAction == ODA_SELECT) goto DealWithSelection;
/*+-----------------------------------------------------------------------+
| Connecting Line code | +-----------------------------------------------------------------------+*/ if (lpHierFileStruct->bLines && nLevel) { DWORD dwMask = 1; int nTempLevel; int x,y;
// draw lines in text color
SetBkColor(hDC, GetSysColor(COLOR_WINDOWTEXT));
// Draw a series of | lines for outer levels
x = lpHierFileStruct->nBitmapWidth1 / 2 + XBMPOFFSET;
for ( nTempLevel = 0; nTempLevel < nLevel ; nTempLevel++) { if ( dwConnectLevel & dwMask ) FastRect(hDC, x, rcTemp.top, 1, rcTemp.bottom - rcTemp.top);
x += lpHierFileStruct->nBitmapWidth2; dwMask *= 2; }
// Draw the short vert line up towards the parent
nTempLevel = nLevel-1; dwMask *= 2;
x = nTempLevel * lpHierFileStruct->nBitmapWidth1 + lpHierFileStruct->nBitmapWidth1 / 2 + XBMPOFFSET;
if ( dwConnectLevel & dwMask ) y = rcTemp.bottom; else y = rcTemp.bottom - lpHierFileStruct->nLineHeight / 2;
FastRect(hDC, x, rcTemp.top, 1, y - rcTemp.top);
// Draw short horiz bar to right
FastRect(hDC, x, rcTemp.bottom-lpHierFileStruct->nLineHeight / 2, lpHierFileStruct->nBitmapWidth1 / 2, 1); }
/*+-----------------------------------------------------------------------+
| Bitmaps | +-----------------------------------------------------------------------+*/ // Draw the checkbox bitmap
BitBlt(hDC, wIndent, wTopBitmap, lpHierFileStruct->nBitmapWidth2, lpHierFileStruct->nBitmapHeight2, lpHierFileStruct->hdcMem2, nColumn2 * lpHierFileStruct->nBitmapWidth2, 0 * lpHierFileStruct->nBitmapHeight2, SRCCOPY);
// Now the other app specific bitmap adjusted over for the checkbox bitmap
BitBlt(hDC, wIndent + lpHierFileStruct->nBitmapWidth2, wTopBitmap, lpHierFileStruct->nBitmapWidth1, lpHierFileStruct->nBitmapHeight1, lpHierFileStruct->hdcMem1, nColumn * lpHierFileStruct->nBitmapWidth1, nRow * lpHierFileStruct->nBitmapHeight1, SRCCOPY);
DealWithSelection:
if (lpDrawItem->itemState & ODS_SELECTED) { SetBkColor(hDC, GetSysColor(COLOR_HIGHLIGHT)); SetTextColor(hDC, GetSysColor(COLOR_HIGHLIGHTTEXT)); } else { SetBkColor(hDC, GetSysColor(COLOR_WINDOW)); SetTextColor(hDC, GetSysColor(COLOR_WINDOWTEXT)); }
ExtTextOut(hDC, rcTemp.left + 1, wTopText, ETO_CLIPPED | ETO_OPAQUE, &rcTemp, szText, lstrlen(szText), NULL);
if (lpDrawItem->itemState & ODS_FOCUS && lpDrawItem->itemAction != ODA_SELECT) {DealWithFocus: DrawFocusRect(hDC, &rcTemp); }
} // HierFile_OnDrawItem
// draw a solid color rectangle quickly
static VOID near FastRect(HDC hDC, int x, int y, int cx, int cy) { RECT rc;
rc.left = x; rc.right = x+cx; rc.top = y; rc.bottom = y+cy; ExtTextOut(hDC,x,y,ETO_OPAQUE,&rc,NULL,0,NULL);} // FastRect
BOOL HierFile_IsOpened(LPHEIRDRAWSTRUCT lpHierFileStruct, DWORD_PTR dwData) { // For Now just a dumb search
//
int Count;
for ( Count = 0; Count < lpHierFileStruct->NumOpened; Count++ ) { if ( lpHierFileStruct->Opened[Count] == dwData ) { return TRUE; } }
return FALSE;
} // HierFile_IsOpened
VOID HierFile_OpenItem(LPHEIRDRAWSTRUCT lpHierFileStruct, DWORD_PTR dwData) { lpHierFileStruct->NumOpened++;
if (lpHierFileStruct->Opened == NULL ) lpHierFileStruct->Opened = (DWORD_PTR *)_fmalloc(sizeof(DWORD_PTR)*lpHierFileStruct->NumOpened); else lpHierFileStruct->Opened = (DWORD_PTR *)_frealloc(lpHierFileStruct->Opened, sizeof(DWORD_PTR)*lpHierFileStruct->NumOpened);
lpHierFileStruct->Opened[lpHierFileStruct->NumOpened-1] = dwData;} // HierFile_OpenItem
VOID HierFile_CloseItem(LPHEIRDRAWSTRUCT lpHierFileStruct, DWORD_PTR dwData) { // For Now just a dumb search
//
int Count;
for ( Count = 0; Count < lpHierFileStruct->NumOpened; Count++ ) { if ( lpHierFileStruct->Opened[Count] == dwData ) { if (--lpHierFileStruct->NumOpened == 0 ) { _ffree(lpHierFileStruct->Opened); lpHierFileStruct->Opened = NULL; } else { if ( Count < lpHierFileStruct->NumOpened ) { _fmemmove(&(lpHierFileStruct->Opened[Count]), &(lpHierFileStruct->Opened[Count+1]), sizeof(DWORD_PTR)*(lpHierFileStruct->NumOpened-Count)); } lpHierFileStruct->Opened = (DWORD_PTR *)_frealloc(lpHierFileStruct->Opened, sizeof(DWORD_PTR)*lpHierFileStruct->NumOpened); } } }} // HierFile_CloseItem
VOID HierFile_ShowKids(LPHEIRDRAWSTRUCT lpHierFileStruct, HWND hwndList, WORD wCurrentSelection, WORD wKids) { WORD wBottomIndex; WORD wTopIndex; WORD wNewTopIndex; WORD wExpandInView; RECT rc;
wTopIndex = (WORD)SendMessage(hwndList, LB_GETTOPINDEX, 0, 0L); GetClientRect(hwndList, &rc); wBottomIndex = (WORD)(wTopIndex + (rc.bottom+1) / lpHierFileStruct->nLineHeight);
wExpandInView = (wBottomIndex - wCurrentSelection);
if (wKids >= wExpandInView) { wNewTopIndex = min(wCurrentSelection, wTopIndex + wKids - wExpandInView + 1); SendMessage(hwndList, LB_SETTOPINDEX, (WORD)wNewTopIndex, 0L); }
} // HierFile_ShowKids
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