452 lines
9.9 KiB
C
452 lines
9.9 KiB
C
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/*************************************************************************
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**
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** OLE 2 Sample Code
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**
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** heading.c
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**
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** This file contains functions and support for OutlineDoc's row and
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** column headings.
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**
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** (c) Copyright Microsoft Corp. 1992 - 1993 All Rights Reserved
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**
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*************************************************************************/
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#include "outline.h"
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extern LPOUTLINEAPP g_lpApp;
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BOOL Heading_Create(LPHEADING lphead, HWND hWndParent, HINSTANCE hInst)
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{
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HDC hDC;
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TEXTMETRIC tm;
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if (!lphead || !hWndParent || !hInst)
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return FALSE;
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hDC = GetDC(hWndParent);
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if (!hDC)
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return FALSE;
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if (!GetTextMetrics(hDC, (TEXTMETRIC FAR*)&tm))
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return FALSE;
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lphead->m_colhead.m_uHeight = tm.tmHeight;
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lphead->m_rowhead.m_uWidth = 4 * tm.tmAveCharWidth;
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lphead->m_fShow = TRUE;
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ReleaseDC(hWndParent, hDC);
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lphead->m_hfont = CreateFont(
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tm.tmHeight,
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0,0,0,0,0,0,0,0,
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OUT_TT_PRECIS, // use TrueType
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CLIP_DEFAULT_PRECIS,
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DEFAULT_QUALITY,
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DEFAULT_PITCH | FF_DONTCARE,
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HEADING_FONT
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);
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if (!lphead->m_hfont)
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return FALSE;
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lphead->m_colhead.m_hWnd = CreateWindow(
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"listbox",
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"Column Heading",
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WS_VISIBLE | WS_CHILD | WS_DISABLED | LBS_OWNERDRAWVARIABLE |
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LBS_NOINTEGRALHEIGHT,
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0,0,0,0, // any values
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hWndParent,
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(HMENU)IDC_COLHEADING,
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hInst,
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NULL);
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if (!lphead->m_colhead.m_hWnd)
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return FALSE;
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// add a dummy line to get WM_DRAWITEM message
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SendMessage(lphead->m_colhead.m_hWnd, LB_ADDSTRING, 0,
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MAKELPARAM(lphead->m_colhead.m_uHeight,0));
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lphead->m_rowhead.m_hWnd = CreateWindow(
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"listbox",
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"Row Heading",
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WS_VISIBLE | WS_CHILD | WS_DISABLED | LBS_OWNERDRAWVARIABLE,
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0,0,0,0, // any values
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hWndParent,
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(HMENU)IDC_ROWHEADING,
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hInst,
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NULL);
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if (!lphead->m_rowhead.m_hWnd)
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return FALSE;
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SendMessage(lphead->m_rowhead.m_hWnd, LB_ADDSTRING, 0,
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MAKELPARAM(lphead->m_colhead.m_uHeight,0));
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lphead->m_rowhead.m_WndProc =
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(FARPROC) GetWindowLongPtr(lphead->m_rowhead.m_hWnd, GWLP_WNDPROC );
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SetWindowLongPtr(lphead->m_rowhead.m_hWnd, GWLP_WNDPROC,
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(LONG_PTR) RowHeadWndProc);
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lphead->m_hwndButton = CreateWindow(
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"button",
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NULL,
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WS_VISIBLE | WS_CHILD,
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0,0,0,0, // any values
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hWndParent,
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(HMENU)IDC_BUTTON,
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hInst,
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NULL);
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if (!lphead->m_hwndButton)
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return FALSE;
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return TRUE;
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}
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void Heading_Destroy(LPHEADING lphead)
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{
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if (!lphead)
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return;
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if (IsWindow(lphead->m_colhead.m_hWnd)) {
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DestroyWindow(lphead->m_colhead.m_hWnd);
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lphead->m_colhead.m_hWnd = NULL;
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}
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if (IsWindow(lphead->m_rowhead.m_hWnd)) {
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DestroyWindow(lphead->m_rowhead.m_hWnd);
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lphead->m_rowhead.m_hWnd = NULL;
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}
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if (IsWindow(lphead->m_hwndButton)) {
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DestroyWindow(lphead->m_hwndButton);
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lphead->m_hwndButton = NULL;
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}
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#ifdef WIN32
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if (GetObjectType(lphead->m_hfont)) {
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#else
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if (IsGDIObject(lphead->m_hfont)) {
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#endif
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DeleteObject(lphead->m_hfont);
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lphead->m_hfont = NULL;
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}
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}
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void Heading_Move(LPHEADING lphead, HWND hwndDoc, LPSCALEFACTOR lpscale)
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{
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int nOffsetX;
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int nOffsetY;
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RECT rcDoc;
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if (!lphead || !hwndDoc || !lpscale)
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return;
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if (!lphead->m_fShow)
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return;
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nOffsetX = (int) Heading_RH_GetWidth(lphead, lpscale);
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nOffsetY = (int) Heading_CH_GetHeight(lphead, lpscale);
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GetClientRect(hwndDoc, (LPRECT)&rcDoc);
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MoveWindow(lphead->m_hwndButton, 0, 0, nOffsetX, nOffsetY, TRUE);
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MoveWindow(
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lphead->m_colhead.m_hWnd,
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nOffsetX, 0,
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rcDoc.right-rcDoc.left-nOffsetX, nOffsetY,
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TRUE
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);
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MoveWindow(lphead->m_rowhead.m_hWnd, 0, nOffsetY, nOffsetX,
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rcDoc.bottom-rcDoc.top-nOffsetY, TRUE);
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}
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void Heading_Show(LPHEADING lphead, BOOL fShow)
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{
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int nCmdShow;
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if (!lphead)
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return;
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lphead->m_fShow = fShow;
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nCmdShow = fShow ? SW_SHOW : SW_HIDE;
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ShowWindow(lphead->m_hwndButton, nCmdShow);
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ShowWindow(lphead->m_colhead.m_hWnd, nCmdShow);
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ShowWindow(lphead->m_rowhead.m_hWnd, nCmdShow);
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}
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void Heading_ReScale(LPHEADING lphead, LPSCALEFACTOR lpscale)
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{
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UINT uHeight;
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if (!lphead || !lpscale)
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return;
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// Row heading is scaled with the LineList_Rescale. So, only
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// Column heading needed to be scaled here.
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uHeight = (UINT)(lphead->m_colhead.m_uHeight * lpscale->dwSyN /
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lpscale->dwSyD);
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SendMessage(lphead->m_colhead.m_hWnd, LB_SETITEMHEIGHT, 0,
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MAKELPARAM(uHeight, 0));
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}
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void Heading_CH_Draw(LPHEADING lphead, LPDRAWITEMSTRUCT lpdis, LPRECT lprcScreen, LPRECT lprcObject)
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{
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HPEN hpenOld;
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HPEN hpen;
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HBRUSH hbr;
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HFONT hfOld;
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int nTabInPix;
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char letter;
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int i;
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int nOldMapMode;
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RECT rcWindowOld;
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RECT rcViewportOld;
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POINT point;
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if (!lpdis || !lphead)
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return;
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hbr = GetStockObject(LTGRAY_BRUSH);
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FillRect(lpdis->hDC, (LPRECT)&lpdis->rcItem, hbr);
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nOldMapMode = SetDCToAnisotropic(lpdis->hDC, lprcScreen, lprcObject,
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(LPRECT)&rcWindowOld, (LPRECT)&rcViewportOld);
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hfOld = SelectObject(lpdis->hDC, lphead->m_hfont);
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hpen = GetStockObject(BLACK_PEN);
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hpenOld = SelectObject(lpdis->hDC, hpen);
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nTabInPix = XformWidthInHimetricToPixels(lpdis->hDC, TABWIDTH);
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SetBkMode(lpdis->hDC, TRANSPARENT);
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letter = COLUMN_LETTER;
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MoveToEx(lpdis->hDC, lprcObject->left, lprcObject->bottom,&point);
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LineTo(lpdis->hDC, lprcObject->left, lprcObject->top);
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for (i = 0; i < COLUMN; i++) {
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lprcObject->right = lprcObject->left + nTabInPix;
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DrawText(lpdis->hDC, (LPCSTR)&letter, 1, lprcObject,
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DT_SINGLELINE | DT_CENTER | DT_VCENTER);
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MoveToEx(lpdis->hDC, lprcObject->right, lprcObject->bottom, &point);
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LineTo(lpdis->hDC, lprcObject->right, lprcObject->top);
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letter++;
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lprcObject->left += nTabInPix;
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}
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SelectObject(lpdis->hDC, hpenOld);
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SelectObject(lpdis->hDC, hfOld);
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ResetOrigDC(lpdis->hDC, nOldMapMode, (LPRECT)&rcWindowOld,
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(LPRECT)&rcViewportOld);
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}
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void Heading_CH_SetHorizontalExtent(LPHEADING lphead, HWND hwndListBox)
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{
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RECT rcLL;
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RECT rcCH;
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int nLLWidth;
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int nCHWidth;
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int nHorizExtent;
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if (!lphead || !hwndListBox)
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return;
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nHorizExtent=(int)SendMessage(hwndListBox, LB_GETHORIZONTALEXTENT, 0, 0L);
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GetClientRect(hwndListBox, (LPRECT)&rcLL);
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GetClientRect(lphead->m_colhead.m_hWnd, (LPRECT)&rcCH);
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nLLWidth = rcLL.right - rcLL.left;
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nCHWidth = rcCH.right - rcCH.left;
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nHorizExtent += nCHWidth - nLLWidth;
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SendMessage(lphead->m_colhead.m_hWnd, LB_SETHORIZONTALEXTENT,
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nHorizExtent, 0L);
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}
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UINT Heading_CH_GetHeight(LPHEADING lphead, LPSCALEFACTOR lpscale)
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{
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if (!lphead || !lpscale)
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return 0;
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if (lphead->m_fShow)
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return (UINT)(lphead->m_colhead.m_uHeight * lpscale->dwSyN /
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lpscale->dwSyD);
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else
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return 0;
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}
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LRESULT Heading_CH_SendMessage(LPHEADING lphead, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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if (!lphead)
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return 0;
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if (lphead->m_colhead.m_hWnd)
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return SendMessage(lphead->m_colhead.m_hWnd, msg, wParam, lParam);
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}
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void Heading_CH_ForceRedraw(LPHEADING lphead, BOOL fErase)
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{
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if (!lphead)
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return;
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InvalidateRect(lphead->m_colhead.m_hWnd, NULL, fErase);
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}
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void Heading_RH_ForceRedraw(LPHEADING lphead, BOOL fErase)
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{
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if (!lphead)
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return;
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InvalidateRect(lphead->m_rowhead.m_hWnd, NULL, fErase);
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}
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void Heading_RH_Draw(LPHEADING lphead, LPDRAWITEMSTRUCT lpdis)
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{
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char cBuf[5];
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HPEN hpenOld;
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HPEN hpen;
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HBRUSH hbrOld;
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HBRUSH hbr;
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HFONT hfOld;
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RECT rc;
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RECT rcWindowOld;
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RECT rcViewportOld;
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int nMapModeOld;
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if (!lpdis || !lphead)
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return;
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lpdis->rcItem;
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rc.left = 0;
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rc.bottom = 0;
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rc.top = (int)lpdis->itemData;
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rc.right = lphead->m_rowhead.m_uWidth;
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nMapModeOld = SetDCToAnisotropic(lpdis->hDC, &lpdis->rcItem, &rc,
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(LPRECT)&rcWindowOld, (LPRECT)&rcViewportOld);
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hpen = GetStockObject(BLACK_PEN);
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hpenOld = SelectObject(lpdis->hDC, hpen);
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hbr = GetStockObject(LTGRAY_BRUSH);
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hbrOld = SelectObject(lpdis->hDC, hbr);
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Rectangle(lpdis->hDC, rc.left, rc.top, rc.right,
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rc.bottom);
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hfOld = SelectObject(lpdis->hDC, lphead->m_hfont);
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SetBkMode(lpdis->hDC, TRANSPARENT);
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wsprintf(cBuf, "%d", lpdis->itemID + 1);
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DrawText(lpdis->hDC, (LPSTR)cBuf, lstrlen(cBuf), (LPRECT)&rc,
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DT_SINGLELINE | DT_CENTER | DT_VCENTER);
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SelectObject(lpdis->hDC, hfOld);
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SelectObject(lpdis->hDC, hpenOld);
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SelectObject(lpdis->hDC, hbrOld);
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ResetOrigDC(lpdis->hDC, nMapModeOld, (LPRECT)&rcWindowOld,
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(LPRECT)&rcViewportOld);
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}
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LRESULT Heading_RH_SendMessage(LPHEADING lphead, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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if (!lphead)
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return 0;
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if (lphead->m_rowhead.m_hWnd)
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return SendMessage(lphead->m_rowhead.m_hWnd, msg, wParam, lParam);
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}
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|
|
||
|
|
UINT Heading_RH_GetWidth(LPHEADING lphead, LPSCALEFACTOR lpscale)
|
||
|
|
{
|
||
|
|
if (!lphead || !lpscale)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
if (lphead->m_fShow)
|
||
|
|
return (UINT)(lphead->m_rowhead.m_uWidth * lpscale->dwSxN /
|
||
|
|
lpscale->dwSxD);
|
||
|
|
else
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void Heading_RH_Scroll(LPHEADING lphead, HWND hwndListBox)
|
||
|
|
{
|
||
|
|
int nTopLL;
|
||
|
|
int nTopRH;
|
||
|
|
|
||
|
|
if (!lphead || !hwndListBox)
|
||
|
|
return;
|
||
|
|
|
||
|
|
nTopLL = (int)SendMessage(hwndListBox, LB_GETTOPINDEX, 0, 0L);
|
||
|
|
nTopRH = (int)SendMessage(
|
||
|
|
lphead->m_rowhead.m_hWnd, LB_GETTOPINDEX, 0, 0L);
|
||
|
|
|
||
|
|
if (nTopLL != nTopRH)
|
||
|
|
SendMessage(
|
||
|
|
lphead->m_rowhead.m_hWnd,LB_SETTOPINDEX,(WPARAM)nTopLL,0L);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
LRESULT FAR PASCAL RowHeadWndProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
|
||
|
|
{
|
||
|
|
HWND hwndParent = GetParent (hWnd);
|
||
|
|
LPOUTLINEDOC lpDoc = (LPOUTLINEDOC)GetWindowLongPtr(hwndParent, 0);
|
||
|
|
LPHEADING lphead = OutlineDoc_GetHeading(lpDoc);
|
||
|
|
|
||
|
|
switch (Message) {
|
||
|
|
case WM_PAINT:
|
||
|
|
{
|
||
|
|
LPLINELIST lpLL = OutlineDoc_GetLineList(lpDoc);
|
||
|
|
PAINTSTRUCT ps;
|
||
|
|
|
||
|
|
// If there is no line in listbox, trap the message and draw the
|
||
|
|
// background gray. Without this, the background will be painted
|
||
|
|
// as default color.
|
||
|
|
if (!LineList_GetCount(lpLL)) {
|
||
|
|
BeginPaint(hWnd, &ps);
|
||
|
|
EndPaint(hWnd, &ps);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case WM_ERASEBKGND:
|
||
|
|
{
|
||
|
|
HDC hDC = (HDC)wParam;
|
||
|
|
RECT rc;
|
||
|
|
|
||
|
|
GetClientRect(hWnd, (LPRECT)&rc);
|
||
|
|
FillRect(hDC, (LPRECT)&rc, GetStockObject(GRAY_BRUSH));
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return CallWindowProc(
|
||
|
|
(WNDPROC)lphead->m_rowhead.m_WndProc,
|
||
|
|
hWnd,
|
||
|
|
Message,
|
||
|
|
wParam,
|
||
|
|
lParam
|
||
|
|
);
|
||
|
|
}
|