246 lines
6.9 KiB
C
246 lines
6.9 KiB
C
/*
|
|
* OBJFDBK.C
|
|
*
|
|
* Miscellaneous API's to generate UI feedback effects for OLE objects. This
|
|
* is part of the OLE 2.0 User Interface Support Library.
|
|
* The following feedback effects are supported:
|
|
* 1. Object selection handles (OleUIDrawHandles)
|
|
* 2. Open Object window shading (OleUIDrawShading)
|
|
*
|
|
* Copyright (c)1992 Microsoft Corporation, All Right Reserved
|
|
*/
|
|
|
|
#define STRICT 1
|
|
#include "ole2ui.h"
|
|
|
|
static void DrawHandle(HDC hdc, int x, int y, UINT cSize, BOOL bInvert, BOOL fDraw);
|
|
|
|
/*
|
|
* OleUIDrawHandles
|
|
*
|
|
* Purpose:
|
|
* Draw handles or/and boundary around Container Object when selected
|
|
*
|
|
* Parameters:
|
|
* lpRect Dimensions of Container Object
|
|
* hdc HDC of Container Object (MM_TEXT mapping mode)
|
|
* dwFlags-
|
|
* Exclusive flags
|
|
* OLEUI_HANDLES_INSIDE Draw handles on inside of rect
|
|
* OLEUI_HANDLES_OUTSIDE Draw handles on outside of rect
|
|
* Optional flags
|
|
* OLEUI_HANDLES_NOBORDER Draw handles only, no rect
|
|
* OLEUI_HANDLES_USEINVERSE
|
|
* use invert for handles and rect, o.t. use COLOR_WINDOWTEXT
|
|
* cSize size of handle box
|
|
* fDraw Draw if TRUE, erase if FALSE
|
|
*
|
|
* Return Value: null
|
|
*
|
|
*/
|
|
STDAPI_(void) OleUIDrawHandles(
|
|
LPRECT lpRect,
|
|
HDC hdc,
|
|
DWORD dwFlags,
|
|
UINT cSize,
|
|
BOOL fDraw
|
|
)
|
|
{
|
|
HBRUSH hbr;
|
|
RECT rc;
|
|
int bkmodeOld;
|
|
BOOL bInvert = (BOOL) (dwFlags & OLEUI_HANDLES_USEINVERSE);
|
|
|
|
CopyRect((LPRECT)&rc, lpRect);
|
|
|
|
bkmodeOld = SetBkMode(hdc, TRANSPARENT);
|
|
|
|
if (dwFlags & OLEUI_HANDLES_OUTSIDE)
|
|
InflateRect((LPRECT)&rc, cSize - 1, cSize - 1);
|
|
|
|
// Draw the handles inside the rectangle boundary
|
|
DrawHandle(hdc, rc.left, rc.top, cSize, bInvert, fDraw);
|
|
DrawHandle(hdc, rc.left, rc.top+(rc.bottom-rc.top-cSize)/2, cSize, bInvert, fDraw);
|
|
DrawHandle(hdc, rc.left, rc.bottom-cSize, cSize, bInvert, fDraw);
|
|
DrawHandle(hdc, rc.left+(rc.right-rc.left-cSize)/2, rc.top, cSize, bInvert, fDraw);
|
|
DrawHandle(hdc, rc.left+(rc.right-rc.left-cSize)/2, rc.bottom-cSize, cSize, bInvert, fDraw);
|
|
DrawHandle(hdc, rc.right-cSize, rc.top, cSize, bInvert, fDraw);
|
|
DrawHandle(hdc, rc.right-cSize, rc.top+(rc.bottom-rc.top-cSize)/2, cSize, bInvert, fDraw);
|
|
DrawHandle(hdc, rc.right-cSize, rc.bottom-cSize, cSize, bInvert, fDraw);
|
|
|
|
if (!(dwFlags & OLEUI_HANDLES_NOBORDER)) {
|
|
if (fDraw)
|
|
hbr = GetStockObject(BLACK_BRUSH);
|
|
else
|
|
hbr = GetStockObject(WHITE_BRUSH);
|
|
|
|
FrameRect(hdc, lpRect, hbr);
|
|
}
|
|
|
|
SetBkMode(hdc, bkmodeOld);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* DrawHandle
|
|
*
|
|
* Purpose:
|
|
* Draw a handle box at the specified coordinate
|
|
*
|
|
* Parameters:
|
|
* hdc HDC to be drawn into
|
|
* x, y upper left corner coordinate of the handle box
|
|
* cSize size of handle box
|
|
* bInvert use InvertRect() if TRUE, otherwise use Rectangle()
|
|
* fDraw Draw if TRUE, erase if FALSE, ignored if bInvert is TRUE
|
|
*
|
|
* Return Value: null
|
|
*
|
|
*/
|
|
static void DrawHandle(HDC hdc, int x, int y, UINT cSize, BOOL bInvert, BOOL fDraw)
|
|
{
|
|
HBRUSH hbr;
|
|
HBRUSH hbrOld;
|
|
HPEN hpen;
|
|
HPEN hpenOld;
|
|
RECT rc;
|
|
|
|
|
|
if (!bInvert) {
|
|
if (fDraw) {
|
|
hpen = GetStockObject(BLACK_PEN);
|
|
hbr = GetStockObject(BLACK_BRUSH);
|
|
} else {
|
|
hpen = GetStockObject(WHITE_PEN);
|
|
hbr = GetStockObject(WHITE_PEN);
|
|
}
|
|
|
|
hpenOld = SelectObject(hdc, hpen);
|
|
hbrOld = SelectObject(hdc, hbr);
|
|
Rectangle(hdc, x, y, x+cSize, y+cSize);
|
|
SelectObject(hdc, hpenOld);
|
|
SelectObject(hdc, hbrOld);
|
|
}
|
|
else {
|
|
rc.left = x;
|
|
rc.top = y;
|
|
rc.right = x + cSize;
|
|
rc.bottom = y + cSize;
|
|
InvertRect(hdc, (LPRECT)&rc);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* OleUIDrawShading
|
|
*
|
|
* Purpose:
|
|
* Shade the object when it is in in-place editing. Borders are drawn
|
|
* on the Object rectangle. The right and bottom edge of the rectangle
|
|
* are excluded in the drawing.
|
|
*
|
|
* Parameters:
|
|
* lpRect Dimensions of Container Object
|
|
* hdc HDC for drawing
|
|
* dwFlags-
|
|
* Exclusive flags
|
|
* OLEUI_SHADE_FULLRECT Shade the whole rectangle
|
|
* OLEUI_SHADE_BORDERIN Shade cWidth pixels inside rect
|
|
* OLEUI_SHADE_BORDEROUT Shade cWidth pixels outside rect
|
|
* Optional flags
|
|
* OLEUI_SHADE_USEINVERSE
|
|
* use PATINVERT instead of the hex value
|
|
* cWidth width of border in pixel
|
|
*
|
|
* Return Value: null
|
|
*
|
|
*/
|
|
STDAPI_(void) OleUIDrawShading(LPRECT lpRect, HDC hdc, DWORD dwFlags, UINT cWidth)
|
|
{
|
|
HBRUSH hbr;
|
|
HBRUSH hbrOld;
|
|
HBITMAP hbm;
|
|
RECT rc;
|
|
WORD wHatchBmp[] = {0x11, 0x22, 0x44, 0x88, 0x11, 0x22, 0x44, 0x88};
|
|
COLORREF cvText;
|
|
COLORREF cvBk;
|
|
|
|
hbm = CreateBitmap(8, 8, 1, 1, wHatchBmp);
|
|
hbr = CreatePatternBrush(hbm);
|
|
hbrOld = SelectObject(hdc, hbr);
|
|
|
|
rc = *lpRect;
|
|
|
|
if (dwFlags == OLEUI_SHADE_FULLRECT) {
|
|
cvText = SetTextColor(hdc, RGB(255, 255, 255));
|
|
cvBk = SetBkColor(hdc, RGB(0, 0, 0));
|
|
PatBlt(hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top,
|
|
0x00A000C9L /* DPa */ );
|
|
|
|
} else { // either inside or outside rect
|
|
|
|
if (dwFlags == OLEUI_SHADE_BORDEROUT)
|
|
InflateRect((LPRECT)&rc, cWidth - 1, cWidth - 1);
|
|
|
|
cvText = SetTextColor(hdc, RGB(255, 255, 255));
|
|
cvBk = SetBkColor(hdc, RGB(0, 0, 0));
|
|
PatBlt(hdc, rc.left, rc.top, rc.right - rc.left,
|
|
cWidth, 0x00A000C9L /* DPa */);
|
|
PatBlt(hdc, rc.left, rc.top, cWidth, rc.bottom - rc.top,
|
|
0x00A000C9L /* DPa */);
|
|
PatBlt(hdc, rc.right - cWidth, rc.top, cWidth,
|
|
rc.bottom - rc.top, 0x00A000C9L /* DPa */);
|
|
PatBlt(hdc, rc.left, rc.bottom - cWidth, rc.right-rc.left,
|
|
cWidth, 0x00A000C9L /* DPa */);
|
|
}
|
|
|
|
SetTextColor(hdc, cvText);
|
|
SetBkColor(hdc, cvBk);
|
|
SelectObject(hdc, hbrOld);
|
|
DeleteObject(hbr);
|
|
DeleteObject(hbm);
|
|
}
|
|
|
|
|
|
/*
|
|
* OleUIShowObject
|
|
*
|
|
* Purpose:
|
|
* Draw the ShowObject effect around the object
|
|
*
|
|
* Parameters:
|
|
* lprc rectangle for drawing
|
|
* hdc HDC for drawing
|
|
* fIsLink linked object (TRUE) or embedding object (FALSE)
|
|
*
|
|
* Return Value: null
|
|
*
|
|
*/
|
|
STDAPI_(void) OleUIShowObject(LPCRECT lprc, HDC hdc, BOOL fIsLink)
|
|
{
|
|
HPEN hpen;
|
|
HPEN hpenOld;
|
|
HBRUSH hbrOld;
|
|
|
|
if (!lprc || !hdc)
|
|
return;
|
|
|
|
hpen = fIsLink ? CreatePen(PS_DASH, 1, RGB(0,0,0)) :
|
|
GetStockObject(BLACK_PEN);
|
|
|
|
if (!hpen)
|
|
return;
|
|
|
|
hpenOld = SelectObject(hdc, hpen);
|
|
hbrOld = SelectObject(hdc, GetStockObject(NULL_BRUSH));
|
|
|
|
Rectangle(hdc, lprc->left, lprc->top, lprc->right, lprc->bottom);
|
|
|
|
SelectObject(hdc, hpenOld);
|
|
SelectObject(hdc, hbrOld);
|
|
|
|
if (fIsLink)
|
|
DeleteObject(hpen);
|
|
|
|
} |