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