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Reactos
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3.9 kB · 130 lines
C++
at master
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131/* * PROJECT: PAINT for ReactOS * LICENSE: LGPL-2.0-or-later (https://spdx.org/licenses/LGPL-2.0-or-later) * PURPOSE: Window procedure of the size boxes * COPYRIGHT: Copyright 2015 Benedikt Freisen <b.freisen@gmx.net> * Copyright 2017 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com> */
#include "precomp.h"
static LPCWSTR s_cursor_shapes[] ={ IDC_SIZENWSE, IDC_SIZENS, IDC_SIZENESW, IDC_SIZEWE, IDC_SIZEWE, IDC_SIZENESW, IDC_SIZENS, IDC_SIZENWSE,};
/* FUNCTIONS ********************************************************/
BOOL setCursorOnSizeBox(HITTEST hit){ if (HIT_UPPER_LEFT <= hit && hit <= HIT_LOWER_RIGHT) { ::SetCursor(::LoadCursorW(NULL, s_cursor_shapes[hit - HIT_UPPER_LEFT])); return TRUE; } return FALSE;}
BOOL getSizeBoxRect(LPRECT prc, HITTEST hit, LPCRECT prcBase){ 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;}
HITTEST getSizeBoxHitTest(POINT pt, LPCRECT prcBase){ 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;}
VOID drawSizeBoxes(HDC hdc, LPCRECT prcBase, BOOL bDrawFrame, LPCRECT prcPaint){ 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)); }}