sizebox.cpp File Reference

#include "precomp.h"

Include dependency graph for sizebox.cpp:

Go to the source code of this file.

Functions
BOOL	setCursorOnSizeBox (HITTEST hit)
BOOL	getSizeBoxRect (LPRECT prc, HITTEST hit, LPCRECT prcBase)
HITTEST	getSizeBoxHitTest (POINT pt, LPCRECT prcBase)
VOID	drawSizeBoxes (HDC hdc, LPCRECT prcBase, BOOL bDrawFrame, LPCRECT prcPaint)

Variables
static LPCWSTR	s_cursor_shapes []

Function Documentation

drawSizeBoxes()

VOID drawSizeBoxes	(	HDC	hdc,
		LPCRECT	prcBase,
		BOOL	bDrawFrame,
		LPCRECT	prcPaint
	)

Definition at line 103 of file sizebox.cpp.

{
    CRect rc, rcIntersect;
 
    if (prcPaint && !::IntersectRect(&rcIntersect, prcPaint, prcBase))
        return;
 
    if (bDrawFrame)
    {
        rc = *prcBase;
        rc.InflateRect(-GRIP_SIZE / 2, -GRIP_SIZE / 2);
 
        LOGBRUSH logBrush = { BS_HOLLOW, 0, 0 };
        COLORREF rgbHighlight = ::GetSysColor(COLOR_HIGHLIGHT);
        HGDIOBJ oldPen = ::SelectObject(hdc, ::CreatePen(PS_DOT, 1, rgbHighlight));
        HGDIOBJ oldBrush = ::SelectObject(hdc, ::CreateBrushIndirect(&logBrush));
        ::Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom);
        ::DeleteObject(::SelectObject(hdc, oldBrush));
        ::DeleteObject(::SelectObject(hdc, oldPen));
    }
 
    for (INT i = HIT_UPPER_LEFT; i <= HIT_LOWER_RIGHT; ++i)
    {
        getSizeBoxRect(&rc, (HITTEST)i, prcBase);
        if (!prcPaint || ::IntersectRect(&rcIntersect, &rc, prcPaint))
            ::FillRect(hdc, &rc, (HBRUSH)(COLOR_HIGHLIGHT + 1));
    }
}

Referenced by CCanvasWindow::DoDraw(), SelectionModel::drawFrameOnCanvas(), and CTextEditWindow::DrawGrip().

getSizeBoxHitTest()

HITTEST getSizeBoxHitTest	(	POINT	pt,
		LPCRECT	prcBase
	)

Definition at line 80 of file sizebox.cpp.

{
    CRect rc;
 
    if (!::PtInRect(prcBase, pt))
        return HIT_NONE;
 
    rc = *prcBase;
    rc.InflateRect(-GRIP_SIZE, -GRIP_SIZE);
    if (rc.PtInRect(pt))
        return HIT_INNER;
 
    for (INT i = HIT_UPPER_LEFT; i <= HIT_LOWER_RIGHT; ++i)
    {
        HITTEST hit = (HITTEST)i;
        getSizeBoxRect(&rc, hit, prcBase);
        if (rc.PtInRect(pt))
            return hit;
    }
 
    return HIT_BORDER;
}

Referenced by CCanvasWindow::CanvasHitTest(), CTextEditWindow::DoHitTest(), and SelectionModel::hitTest().

getSizeBoxRect()

BOOL getSizeBoxRect	(	LPRECT	prc,
		HITTEST	hit,
		LPCRECT	prcBase
	)

Definition at line 30 of file sizebox.cpp.

{
    switch (hit)
    {
        case HIT_UPPER_LEFT:
            prc->left = prcBase->left;
            prc->top = prcBase->top;
            break;
        case HIT_UPPER_CENTER:
            prc->left = (prcBase->left + prcBase->right - GRIP_SIZE) / 2;
            prc->top = prcBase->top;
            break;
        case HIT_UPPER_RIGHT:
            prc->left = prcBase->right - GRIP_SIZE;
            prc->top = prcBase->top;
            break;
        case HIT_MIDDLE_LEFT:
            prc->left = prcBase->left;
            prc->top = (prcBase->top + prcBase->bottom - GRIP_SIZE) / 2;
            break;
        case HIT_MIDDLE_RIGHT:
            prc->left = prcBase->right - GRIP_SIZE;
            prc->top = (prcBase->top + prcBase->bottom - GRIP_SIZE) / 2;
            break;
        case HIT_LOWER_LEFT:
            prc->left = prcBase->left;
            prc->top = prcBase->bottom - GRIP_SIZE;
            break;
        case HIT_LOWER_CENTER:
            prc->left = (prcBase->left + prcBase->right - GRIP_SIZE) / 2;
            prc->top = prcBase->bottom - GRIP_SIZE;
            break;
        case HIT_LOWER_RIGHT:
            prc->left = prcBase->right - GRIP_SIZE;
            prc->top = prcBase->bottom - GRIP_SIZE;
            break;
        case HIT_INNER:
            *prc = *prcBase;
            ::InflateRect(prc, -GRIP_SIZE, -GRIP_SIZE);
            return TRUE;
        default:
            ::SetRectEmpty(prc);
            return FALSE;
    }
 
    prc->right = prc->left + GRIP_SIZE;
    prc->bottom = prc->top + GRIP_SIZE;
    return TRUE;
}

Referenced by drawSizeBoxes(), and getSizeBoxHitTest().

setCursorOnSizeBox()

BOOL setCursorOnSizeBox

(

HITTEST

hit

)

Definition at line 20 of file sizebox.cpp.

{
    if (HIT_UPPER_LEFT <= hit && hit <= HIT_LOWER_RIGHT)
    {
        ::SetCursor(::LoadCursorW(NULL, s_cursor_shapes[hit - HIT_UPPER_LEFT]));
        return TRUE;
    }
    return FALSE;
}

Referenced by CCanvasWindow::OnSetCursor().

Variable Documentation

s_cursor_shapes

LPCWSTR s_cursor_shapes[]

static

Initial value:

=
{
    IDC_SIZENWSE, IDC_SIZENS, IDC_SIZENESW,
    IDC_SIZEWE,               IDC_SIZEWE,
    IDC_SIZENESW, IDC_SIZENS, IDC_SIZENWSE,
}

Definition at line 11 of file sizebox.cpp.

Referenced by setCursorOnSizeBox().