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优化分割窗口卡顿 #1

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优化分割窗口卡顿 #1

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9 changes: 3 additions & 6 deletions dependency/MainDlg.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -652,9 +652,11 @@ LRESULT CMainDlg::OnLButtonDown(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOO
int y = GET_Y_LPARAM(lParam);
if (x >= left_spliter_xpos_ - kSpliterHitTestWidth && x <= left_spliter_xpos_ + kSpliterHitTestWidth) {
left_splitting = true;
::SetCapture(m_hWnd);
}
else if (y >= right_spliter_ypos - kSpliterHitTestWidth && y <= right_spliter_ypos + kSpliterHitTestWidth) {
right_splitting = true;
::SetCapture(m_hWnd);
}
return 0;
}
Expand All @@ -678,14 +680,9 @@ LRESULT CMainDlg::OnMouseMove(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL&
int y = GET_Y_LPARAM(lParam);
if (x >= left_spliter_xpos_ - kSpliterHitTestWidth && x <= left_spliter_xpos_ + kSpliterHitTestWidth) {
::SetCursor(left_spliter_cursor);
::SetCapture(m_hWnd);
}
else if (y >= right_spliter_ypos - kSpliterHitTestWidth && y <= right_spliter_ypos + kSpliterHitTestWidth) {
::SetCursor(right_spliter_cursor);
::SetCapture(m_hWnd);
}
else {
::ReleaseCapture();
}
if (wParam == MK_LBUTTON && (left_splitting || right_splitting)) {
RECT rc;
Expand All @@ -703,7 +700,7 @@ LRESULT CMainDlg::OnMouseMove(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL&
right_spliter_ypos = y;
}
//根据新的分界位置发送WM_SIZE消息,重新调整左右控件的位置
SendMessage(m_hWnd, WM_SIZE, 0, MAKELPARAM(rc.right, rc.bottom));
::PostMessage(m_hWnd, WM_SIZE, 0, MAKELPARAM(rc.right, rc.bottom));
}
return 0;
}
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